Commit | Line | Data |
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d38ceaf9 AD |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
b1ddf548 | 28 | #include <linux/power_supply.h> |
0875dc9e | 29 | #include <linux/kthread.h> |
fdf2f6c5 | 30 | #include <linux/module.h> |
d38ceaf9 AD |
31 | #include <linux/console.h> |
32 | #include <linux/slab.h> | |
4a74c38c | 33 | #include <linux/iommu.h> |
901e2be2 | 34 | #include <linux/pci.h> |
3d8785f6 SA |
35 | #include <linux/devcoredump.h> |
36 | #include <generated/utsrelease.h> | |
08a2fd23 | 37 | #include <linux/pci-p2pdma.h> |
d37a3929 | 38 | #include <linux/apple-gmux.h> |
fdf2f6c5 | 39 | |
b7cdb41e | 40 | #include <drm/drm_aperture.h> |
4562236b | 41 | #include <drm/drm_atomic_helper.h> |
973ad627 | 42 | #include <drm/drm_crtc_helper.h> |
45b64fd9 | 43 | #include <drm/drm_fb_helper.h> |
fcd70cd3 | 44 | #include <drm/drm_probe_helper.h> |
d38ceaf9 AD |
45 | #include <drm/amdgpu_drm.h> |
46 | #include <linux/vgaarb.h> | |
47 | #include <linux/vga_switcheroo.h> | |
48 | #include <linux/efi.h> | |
49 | #include "amdgpu.h" | |
f4b373f4 | 50 | #include "amdgpu_trace.h" |
d38ceaf9 AD |
51 | #include "amdgpu_i2c.h" |
52 | #include "atom.h" | |
53 | #include "amdgpu_atombios.h" | |
a5bde2f9 | 54 | #include "amdgpu_atomfirmware.h" |
d0dd7f0c | 55 | #include "amd_pcie.h" |
33f34802 KW |
56 | #ifdef CONFIG_DRM_AMDGPU_SI |
57 | #include "si.h" | |
58 | #endif | |
a2e73f56 AD |
59 | #ifdef CONFIG_DRM_AMDGPU_CIK |
60 | #include "cik.h" | |
61 | #endif | |
aaa36a97 | 62 | #include "vi.h" |
460826e6 | 63 | #include "soc15.h" |
0a5b8c7b | 64 | #include "nv.h" |
d38ceaf9 | 65 | #include "bif/bif_4_1_d.h" |
bec86378 | 66 | #include <linux/firmware.h> |
89041940 | 67 | #include "amdgpu_vf_error.h" |
d38ceaf9 | 68 | |
ba997709 | 69 | #include "amdgpu_amdkfd.h" |
d2f52ac8 | 70 | #include "amdgpu_pm.h" |
d38ceaf9 | 71 | |
5183411b | 72 | #include "amdgpu_xgmi.h" |
c030f2e4 | 73 | #include "amdgpu_ras.h" |
9c7c85f7 | 74 | #include "amdgpu_pmu.h" |
bd607166 | 75 | #include "amdgpu_fru_eeprom.h" |
04442bf7 | 76 | #include "amdgpu_reset.h" |
5183411b | 77 | |
d5ea093e | 78 | #include <linux/suspend.h> |
c6a6e2db | 79 | #include <drm/task_barrier.h> |
3f12acc8 | 80 | #include <linux/pm_runtime.h> |
d5ea093e | 81 | |
f89f8c6b AG |
82 | #include <drm/drm_drv.h> |
83 | ||
3ad5dcfe KHF |
84 | #if IS_ENABLED(CONFIG_X86) |
85 | #include <asm/intel-family.h> | |
86 | #endif | |
87 | ||
e2a75f88 | 88 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
3f76dced | 89 | MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); |
2d2e5e7e | 90 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
ad5a67a7 | 91 | MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); |
54c4d17e | 92 | MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); |
65e60f6e | 93 | MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin"); |
42b325e5 | 94 | MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); |
e2a75f88 | 95 | |
2dc80b00 | 96 | #define AMDGPU_RESUME_MS 2000 |
7258fa31 SK |
97 | #define AMDGPU_MAX_RETRY_LIMIT 2 |
98 | #define AMDGPU_RETRY_SRIOV_RESET(r) ((r) == -EBUSY || (r) == -ETIMEDOUT || (r) == -EINVAL) | |
2dc80b00 | 99 | |
b7cdb41e ML |
100 | static const struct drm_driver amdgpu_kms_driver; |
101 | ||
050091ab | 102 | const char *amdgpu_asic_name[] = { |
da69c161 KW |
103 | "TAHITI", |
104 | "PITCAIRN", | |
105 | "VERDE", | |
106 | "OLAND", | |
107 | "HAINAN", | |
d38ceaf9 AD |
108 | "BONAIRE", |
109 | "KAVERI", | |
110 | "KABINI", | |
111 | "HAWAII", | |
112 | "MULLINS", | |
113 | "TOPAZ", | |
114 | "TONGA", | |
48299f95 | 115 | "FIJI", |
d38ceaf9 | 116 | "CARRIZO", |
139f4917 | 117 | "STONEY", |
2cc0c0b5 FC |
118 | "POLARIS10", |
119 | "POLARIS11", | |
c4642a47 | 120 | "POLARIS12", |
48ff108d | 121 | "VEGAM", |
d4196f01 | 122 | "VEGA10", |
8fab806a | 123 | "VEGA12", |
956fcddc | 124 | "VEGA20", |
2ca8a5d2 | 125 | "RAVEN", |
d6c3b24e | 126 | "ARCTURUS", |
1eee4228 | 127 | "RENOIR", |
d46b417a | 128 | "ALDEBARAN", |
852a6626 | 129 | "NAVI10", |
d0f56dc2 | 130 | "CYAN_SKILLFISH", |
87dbad02 | 131 | "NAVI14", |
9802f5d7 | 132 | "NAVI12", |
ccaf72d3 | 133 | "SIENNA_CICHLID", |
ddd8fbe7 | 134 | "NAVY_FLOUNDER", |
4f1e9a76 | 135 | "VANGOGH", |
a2468e04 | 136 | "DIMGREY_CAVEFISH", |
6f169591 | 137 | "BEIGE_GOBY", |
ee9236b7 | 138 | "YELLOW_CARP", |
3ae695d6 | 139 | "IP DISCOVERY", |
d38ceaf9 AD |
140 | "LAST", |
141 | }; | |
142 | ||
dcea6e65 KR |
143 | /** |
144 | * DOC: pcie_replay_count | |
145 | * | |
146 | * The amdgpu driver provides a sysfs API for reporting the total number | |
147 | * of PCIe replays (NAKs) | |
148 | * The file pcie_replay_count is used for this and returns the total | |
149 | * number of replays as a sum of the NAKs generated and NAKs received | |
150 | */ | |
151 | ||
152 | static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, | |
153 | struct device_attribute *attr, char *buf) | |
154 | { | |
155 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 156 | struct amdgpu_device *adev = drm_to_adev(ddev); |
dcea6e65 KR |
157 | uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); |
158 | ||
36000c7a | 159 | return sysfs_emit(buf, "%llu\n", cnt); |
dcea6e65 KR |
160 | } |
161 | ||
b8920e1e | 162 | static DEVICE_ATTR(pcie_replay_count, 0444, |
dcea6e65 KR |
163 | amdgpu_device_get_pcie_replay_count, NULL); |
164 | ||
5494d864 AD |
165 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); |
166 | ||
bd607166 | 167 | |
fd496ca8 | 168 | /** |
b98c6299 | 169 | * amdgpu_device_supports_px - Is the device a dGPU with ATPX power control |
fd496ca8 AD |
170 | * |
171 | * @dev: drm_device pointer | |
172 | * | |
b98c6299 | 173 | * Returns true if the device is a dGPU with ATPX power control, |
fd496ca8 AD |
174 | * otherwise return false. |
175 | */ | |
b98c6299 | 176 | bool amdgpu_device_supports_px(struct drm_device *dev) |
fd496ca8 AD |
177 | { |
178 | struct amdgpu_device *adev = drm_to_adev(dev); | |
179 | ||
b98c6299 | 180 | if ((adev->flags & AMD_IS_PX) && !amdgpu_is_atpx_hybrid()) |
fd496ca8 AD |
181 | return true; |
182 | return false; | |
183 | } | |
184 | ||
e3ecdffa | 185 | /** |
0330b848 | 186 | * amdgpu_device_supports_boco - Is the device a dGPU with ACPI power resources |
e3ecdffa AD |
187 | * |
188 | * @dev: drm_device pointer | |
189 | * | |
b98c6299 | 190 | * Returns true if the device is a dGPU with ACPI power control, |
e3ecdffa AD |
191 | * otherwise return false. |
192 | */ | |
31af062a | 193 | bool amdgpu_device_supports_boco(struct drm_device *dev) |
d38ceaf9 | 194 | { |
1348969a | 195 | struct amdgpu_device *adev = drm_to_adev(dev); |
d38ceaf9 | 196 | |
b98c6299 AD |
197 | if (adev->has_pr3 || |
198 | ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid())) | |
d38ceaf9 AD |
199 | return true; |
200 | return false; | |
201 | } | |
202 | ||
a69cba42 AD |
203 | /** |
204 | * amdgpu_device_supports_baco - Does the device support BACO | |
205 | * | |
206 | * @dev: drm_device pointer | |
207 | * | |
208 | * Returns true if the device supporte BACO, | |
209 | * otherwise return false. | |
210 | */ | |
211 | bool amdgpu_device_supports_baco(struct drm_device *dev) | |
212 | { | |
1348969a | 213 | struct amdgpu_device *adev = drm_to_adev(dev); |
a69cba42 AD |
214 | |
215 | return amdgpu_asic_supports_baco(adev); | |
216 | } | |
217 | ||
3fa8f89d S |
218 | /** |
219 | * amdgpu_device_supports_smart_shift - Is the device dGPU with | |
220 | * smart shift support | |
221 | * | |
222 | * @dev: drm_device pointer | |
223 | * | |
224 | * Returns true if the device is a dGPU with Smart Shift support, | |
225 | * otherwise returns false. | |
226 | */ | |
227 | bool amdgpu_device_supports_smart_shift(struct drm_device *dev) | |
228 | { | |
229 | return (amdgpu_device_supports_boco(dev) && | |
230 | amdgpu_acpi_is_power_shift_control_supported()); | |
231 | } | |
232 | ||
6e3cd2a9 MCC |
233 | /* |
234 | * VRAM access helper functions | |
235 | */ | |
236 | ||
e35e2b11 | 237 | /** |
048af66b | 238 | * amdgpu_device_mm_access - access vram by MM_INDEX/MM_DATA |
e35e2b11 TY |
239 | * |
240 | * @adev: amdgpu_device pointer | |
241 | * @pos: offset of the buffer in vram | |
242 | * @buf: virtual address of the buffer in system memory | |
243 | * @size: read/write size, sizeof(@buf) must > @size | |
244 | * @write: true - write to vram, otherwise - read from vram | |
245 | */ | |
048af66b KW |
246 | void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos, |
247 | void *buf, size_t size, bool write) | |
e35e2b11 | 248 | { |
e35e2b11 | 249 | unsigned long flags; |
048af66b KW |
250 | uint32_t hi = ~0, tmp = 0; |
251 | uint32_t *data = buf; | |
ce05ac56 | 252 | uint64_t last; |
f89f8c6b | 253 | int idx; |
ce05ac56 | 254 | |
c58a863b | 255 | if (!drm_dev_enter(adev_to_drm(adev), &idx)) |
f89f8c6b | 256 | return; |
9d11eb0d | 257 | |
048af66b KW |
258 | BUG_ON(!IS_ALIGNED(pos, 4) || !IS_ALIGNED(size, 4)); |
259 | ||
260 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
261 | for (last = pos + size; pos < last; pos += 4) { | |
262 | tmp = pos >> 31; | |
263 | ||
264 | WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); | |
265 | if (tmp != hi) { | |
266 | WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); | |
267 | hi = tmp; | |
268 | } | |
269 | if (write) | |
270 | WREG32_NO_KIQ(mmMM_DATA, *data++); | |
271 | else | |
272 | *data++ = RREG32_NO_KIQ(mmMM_DATA); | |
273 | } | |
274 | ||
275 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
276 | drm_dev_exit(idx); | |
277 | } | |
278 | ||
279 | /** | |
bbe04dec | 280 | * amdgpu_device_aper_access - access vram by vram aperature |
048af66b KW |
281 | * |
282 | * @adev: amdgpu_device pointer | |
283 | * @pos: offset of the buffer in vram | |
284 | * @buf: virtual address of the buffer in system memory | |
285 | * @size: read/write size, sizeof(@buf) must > @size | |
286 | * @write: true - write to vram, otherwise - read from vram | |
287 | * | |
288 | * The return value means how many bytes have been transferred. | |
289 | */ | |
290 | size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos, | |
291 | void *buf, size_t size, bool write) | |
292 | { | |
9d11eb0d | 293 | #ifdef CONFIG_64BIT |
048af66b KW |
294 | void __iomem *addr; |
295 | size_t count = 0; | |
296 | uint64_t last; | |
297 | ||
298 | if (!adev->mman.aper_base_kaddr) | |
299 | return 0; | |
300 | ||
9d11eb0d CK |
301 | last = min(pos + size, adev->gmc.visible_vram_size); |
302 | if (last > pos) { | |
048af66b KW |
303 | addr = adev->mman.aper_base_kaddr + pos; |
304 | count = last - pos; | |
9d11eb0d CK |
305 | |
306 | if (write) { | |
307 | memcpy_toio(addr, buf, count); | |
4c452b5c SS |
308 | /* Make sure HDP write cache flush happens without any reordering |
309 | * after the system memory contents are sent over PCIe device | |
310 | */ | |
9d11eb0d | 311 | mb(); |
810085dd | 312 | amdgpu_device_flush_hdp(adev, NULL); |
9d11eb0d | 313 | } else { |
810085dd | 314 | amdgpu_device_invalidate_hdp(adev, NULL); |
4c452b5c SS |
315 | /* Make sure HDP read cache is invalidated before issuing a read |
316 | * to the PCIe device | |
317 | */ | |
9d11eb0d CK |
318 | mb(); |
319 | memcpy_fromio(buf, addr, count); | |
320 | } | |
321 | ||
9d11eb0d | 322 | } |
048af66b KW |
323 | |
324 | return count; | |
325 | #else | |
326 | return 0; | |
9d11eb0d | 327 | #endif |
048af66b | 328 | } |
9d11eb0d | 329 | |
048af66b KW |
330 | /** |
331 | * amdgpu_device_vram_access - read/write a buffer in vram | |
332 | * | |
333 | * @adev: amdgpu_device pointer | |
334 | * @pos: offset of the buffer in vram | |
335 | * @buf: virtual address of the buffer in system memory | |
336 | * @size: read/write size, sizeof(@buf) must > @size | |
337 | * @write: true - write to vram, otherwise - read from vram | |
338 | */ | |
339 | void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, | |
340 | void *buf, size_t size, bool write) | |
341 | { | |
342 | size_t count; | |
e35e2b11 | 343 | |
048af66b KW |
344 | /* try to using vram apreature to access vram first */ |
345 | count = amdgpu_device_aper_access(adev, pos, buf, size, write); | |
346 | size -= count; | |
347 | if (size) { | |
348 | /* using MM to access rest vram */ | |
349 | pos += count; | |
350 | buf += count; | |
351 | amdgpu_device_mm_access(adev, pos, buf, size, write); | |
e35e2b11 TY |
352 | } |
353 | } | |
354 | ||
d38ceaf9 | 355 | /* |
f7ee1874 | 356 | * register access helper functions. |
d38ceaf9 | 357 | */ |
56b53c0b DL |
358 | |
359 | /* Check if hw access should be skipped because of hotplug or device error */ | |
360 | bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev) | |
361 | { | |
7afefb81 | 362 | if (adev->no_hw_access) |
56b53c0b DL |
363 | return true; |
364 | ||
365 | #ifdef CONFIG_LOCKDEP | |
366 | /* | |
367 | * This is a bit complicated to understand, so worth a comment. What we assert | |
368 | * here is that the GPU reset is not running on another thread in parallel. | |
369 | * | |
370 | * For this we trylock the read side of the reset semaphore, if that succeeds | |
371 | * we know that the reset is not running in paralell. | |
372 | * | |
373 | * If the trylock fails we assert that we are either already holding the read | |
374 | * side of the lock or are the reset thread itself and hold the write side of | |
375 | * the lock. | |
376 | */ | |
377 | if (in_task()) { | |
d0fb18b5 AG |
378 | if (down_read_trylock(&adev->reset_domain->sem)) |
379 | up_read(&adev->reset_domain->sem); | |
56b53c0b | 380 | else |
d0fb18b5 | 381 | lockdep_assert_held(&adev->reset_domain->sem); |
56b53c0b DL |
382 | } |
383 | #endif | |
384 | return false; | |
385 | } | |
386 | ||
e3ecdffa | 387 | /** |
f7ee1874 | 388 | * amdgpu_device_rreg - read a memory mapped IO or indirect register |
e3ecdffa AD |
389 | * |
390 | * @adev: amdgpu_device pointer | |
391 | * @reg: dword aligned register offset | |
392 | * @acc_flags: access flags which require special behavior | |
393 | * | |
394 | * Returns the 32 bit value from the offset specified. | |
395 | */ | |
f7ee1874 HZ |
396 | uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, |
397 | uint32_t reg, uint32_t acc_flags) | |
d38ceaf9 | 398 | { |
f4b373f4 TSD |
399 | uint32_t ret; |
400 | ||
56b53c0b | 401 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
402 | return 0; |
403 | ||
f7ee1874 HZ |
404 | if ((reg * 4) < adev->rmmio_size) { |
405 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
406 | amdgpu_sriov_runtime(adev) && | |
d0fb18b5 | 407 | down_read_trylock(&adev->reset_domain->sem)) { |
f7ee1874 | 408 | ret = amdgpu_kiq_rreg(adev, reg); |
d0fb18b5 | 409 | up_read(&adev->reset_domain->sem); |
f7ee1874 HZ |
410 | } else { |
411 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); | |
412 | } | |
413 | } else { | |
414 | ret = adev->pcie_rreg(adev, reg * 4); | |
81202807 | 415 | } |
bc992ba5 | 416 | |
f7ee1874 | 417 | trace_amdgpu_device_rreg(adev->pdev->device, reg, ret); |
e78b579d | 418 | |
f4b373f4 | 419 | return ret; |
d38ceaf9 AD |
420 | } |
421 | ||
421a2a30 ML |
422 | /* |
423 | * MMIO register read with bytes helper functions | |
424 | * @offset:bytes offset from MMIO start | |
b8920e1e | 425 | */ |
421a2a30 | 426 | |
e3ecdffa AD |
427 | /** |
428 | * amdgpu_mm_rreg8 - read a memory mapped IO register | |
429 | * | |
430 | * @adev: amdgpu_device pointer | |
431 | * @offset: byte aligned register offset | |
432 | * | |
433 | * Returns the 8 bit value from the offset specified. | |
434 | */ | |
7cbbc745 AG |
435 | uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) |
436 | { | |
56b53c0b | 437 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
438 | return 0; |
439 | ||
421a2a30 ML |
440 | if (offset < adev->rmmio_size) |
441 | return (readb(adev->rmmio + offset)); | |
442 | BUG(); | |
443 | } | |
444 | ||
445 | /* | |
446 | * MMIO register write with bytes helper functions | |
447 | * @offset:bytes offset from MMIO start | |
448 | * @value: the value want to be written to the register | |
b8920e1e SS |
449 | */ |
450 | ||
e3ecdffa AD |
451 | /** |
452 | * amdgpu_mm_wreg8 - read a memory mapped IO register | |
453 | * | |
454 | * @adev: amdgpu_device pointer | |
455 | * @offset: byte aligned register offset | |
456 | * @value: 8 bit value to write | |
457 | * | |
458 | * Writes the value specified to the offset specified. | |
459 | */ | |
7cbbc745 AG |
460 | void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) |
461 | { | |
56b53c0b | 462 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
463 | return; |
464 | ||
421a2a30 ML |
465 | if (offset < adev->rmmio_size) |
466 | writeb(value, adev->rmmio + offset); | |
467 | else | |
468 | BUG(); | |
469 | } | |
470 | ||
e3ecdffa | 471 | /** |
f7ee1874 | 472 | * amdgpu_device_wreg - write to a memory mapped IO or indirect register |
e3ecdffa AD |
473 | * |
474 | * @adev: amdgpu_device pointer | |
475 | * @reg: dword aligned register offset | |
476 | * @v: 32 bit value to write to the register | |
477 | * @acc_flags: access flags which require special behavior | |
478 | * | |
479 | * Writes the value specified to the offset specified. | |
480 | */ | |
f7ee1874 HZ |
481 | void amdgpu_device_wreg(struct amdgpu_device *adev, |
482 | uint32_t reg, uint32_t v, | |
483 | uint32_t acc_flags) | |
d38ceaf9 | 484 | { |
56b53c0b | 485 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
486 | return; |
487 | ||
f7ee1874 HZ |
488 | if ((reg * 4) < adev->rmmio_size) { |
489 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
490 | amdgpu_sriov_runtime(adev) && | |
d0fb18b5 | 491 | down_read_trylock(&adev->reset_domain->sem)) { |
f7ee1874 | 492 | amdgpu_kiq_wreg(adev, reg, v); |
d0fb18b5 | 493 | up_read(&adev->reset_domain->sem); |
f7ee1874 HZ |
494 | } else { |
495 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
496 | } | |
497 | } else { | |
498 | adev->pcie_wreg(adev, reg * 4, v); | |
81202807 | 499 | } |
bc992ba5 | 500 | |
f7ee1874 | 501 | trace_amdgpu_device_wreg(adev->pdev->device, reg, v); |
2e0cc4d4 | 502 | } |
d38ceaf9 | 503 | |
03f2abb0 | 504 | /** |
4cc9f86f | 505 | * amdgpu_mm_wreg_mmio_rlc - write register either with direct/indirect mmio or with RLC path if in range |
2e0cc4d4 | 506 | * |
71579346 RB |
507 | * @adev: amdgpu_device pointer |
508 | * @reg: mmio/rlc register | |
509 | * @v: value to write | |
8057a9d6 | 510 | * @xcc_id: xcc accelerated compute core id |
71579346 RB |
511 | * |
512 | * this function is invoked only for the debugfs register access | |
03f2abb0 | 513 | */ |
f7ee1874 | 514 | void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, |
8ed49dd1 VL |
515 | uint32_t reg, uint32_t v, |
516 | uint32_t xcc_id) | |
2e0cc4d4 | 517 | { |
56b53c0b | 518 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
519 | return; |
520 | ||
2e0cc4d4 | 521 | if (amdgpu_sriov_fullaccess(adev) && |
f7ee1874 HZ |
522 | adev->gfx.rlc.funcs && |
523 | adev->gfx.rlc.funcs->is_rlcg_access_range) { | |
2e0cc4d4 | 524 | if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) |
8ed49dd1 | 525 | return amdgpu_sriov_wreg(adev, reg, v, 0, 0, xcc_id); |
4cc9f86f TSD |
526 | } else if ((reg * 4) >= adev->rmmio_size) { |
527 | adev->pcie_wreg(adev, reg * 4, v); | |
f7ee1874 HZ |
528 | } else { |
529 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
47ed4e1c | 530 | } |
d38ceaf9 AD |
531 | } |
532 | ||
1bba3683 HZ |
533 | /** |
534 | * amdgpu_device_indirect_rreg - read an indirect register | |
535 | * | |
536 | * @adev: amdgpu_device pointer | |
22f453fb | 537 | * @reg_addr: indirect register address to read from |
1bba3683 HZ |
538 | * |
539 | * Returns the value of indirect register @reg_addr | |
540 | */ | |
541 | u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev, | |
1bba3683 HZ |
542 | u32 reg_addr) |
543 | { | |
65ba96e9 | 544 | unsigned long flags, pcie_index, pcie_data; |
1bba3683 HZ |
545 | void __iomem *pcie_index_offset; |
546 | void __iomem *pcie_data_offset; | |
65ba96e9 HZ |
547 | u32 r; |
548 | ||
549 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); | |
550 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
1bba3683 HZ |
551 | |
552 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
553 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
554 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
555 | ||
556 | writel(reg_addr, pcie_index_offset); | |
557 | readl(pcie_index_offset); | |
558 | r = readl(pcie_data_offset); | |
559 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
560 | ||
561 | return r; | |
562 | } | |
563 | ||
0c552ed3 LM |
564 | u32 amdgpu_device_indirect_rreg_ext(struct amdgpu_device *adev, |
565 | u64 reg_addr) | |
566 | { | |
567 | unsigned long flags, pcie_index, pcie_index_hi, pcie_data; | |
568 | u32 r; | |
569 | void __iomem *pcie_index_offset; | |
570 | void __iomem *pcie_index_hi_offset; | |
571 | void __iomem *pcie_data_offset; | |
572 | ||
573 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); | |
574 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
d57e24aa | 575 | if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset)) |
0c552ed3 LM |
576 | pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); |
577 | else | |
578 | pcie_index_hi = 0; | |
579 | ||
580 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
581 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
582 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
583 | if (pcie_index_hi != 0) | |
584 | pcie_index_hi_offset = (void __iomem *)adev->rmmio + | |
585 | pcie_index_hi * 4; | |
586 | ||
587 | writel(reg_addr, pcie_index_offset); | |
588 | readl(pcie_index_offset); | |
589 | if (pcie_index_hi != 0) { | |
590 | writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); | |
591 | readl(pcie_index_hi_offset); | |
592 | } | |
593 | r = readl(pcie_data_offset); | |
594 | ||
595 | /* clear the high bits */ | |
596 | if (pcie_index_hi != 0) { | |
597 | writel(0, pcie_index_hi_offset); | |
598 | readl(pcie_index_hi_offset); | |
599 | } | |
600 | ||
601 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
602 | ||
603 | return r; | |
604 | } | |
605 | ||
1bba3683 HZ |
606 | /** |
607 | * amdgpu_device_indirect_rreg64 - read a 64bits indirect register | |
608 | * | |
609 | * @adev: amdgpu_device pointer | |
22f453fb | 610 | * @reg_addr: indirect register address to read from |
1bba3683 HZ |
611 | * |
612 | * Returns the value of indirect register @reg_addr | |
613 | */ | |
614 | u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev, | |
1bba3683 HZ |
615 | u32 reg_addr) |
616 | { | |
65ba96e9 | 617 | unsigned long flags, pcie_index, pcie_data; |
1bba3683 HZ |
618 | void __iomem *pcie_index_offset; |
619 | void __iomem *pcie_data_offset; | |
65ba96e9 HZ |
620 | u64 r; |
621 | ||
622 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); | |
623 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
1bba3683 HZ |
624 | |
625 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
626 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
627 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
628 | ||
629 | /* read low 32 bits */ | |
630 | writel(reg_addr, pcie_index_offset); | |
631 | readl(pcie_index_offset); | |
632 | r = readl(pcie_data_offset); | |
633 | /* read high 32 bits */ | |
634 | writel(reg_addr + 4, pcie_index_offset); | |
635 | readl(pcie_index_offset); | |
636 | r |= ((u64)readl(pcie_data_offset) << 32); | |
637 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
638 | ||
639 | return r; | |
640 | } | |
641 | ||
a76b2870 CL |
642 | u64 amdgpu_device_indirect_rreg64_ext(struct amdgpu_device *adev, |
643 | u64 reg_addr) | |
644 | { | |
645 | unsigned long flags, pcie_index, pcie_data; | |
646 | unsigned long pcie_index_hi = 0; | |
647 | void __iomem *pcie_index_offset; | |
648 | void __iomem *pcie_index_hi_offset; | |
649 | void __iomem *pcie_data_offset; | |
650 | u64 r; | |
651 | ||
652 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); | |
653 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
654 | if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset)) | |
655 | pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); | |
656 | ||
657 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
658 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
659 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
660 | if (pcie_index_hi != 0) | |
661 | pcie_index_hi_offset = (void __iomem *)adev->rmmio + | |
662 | pcie_index_hi * 4; | |
663 | ||
664 | /* read low 32 bits */ | |
665 | writel(reg_addr, pcie_index_offset); | |
666 | readl(pcie_index_offset); | |
667 | if (pcie_index_hi != 0) { | |
668 | writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); | |
669 | readl(pcie_index_hi_offset); | |
670 | } | |
671 | r = readl(pcie_data_offset); | |
672 | /* read high 32 bits */ | |
673 | writel(reg_addr + 4, pcie_index_offset); | |
674 | readl(pcie_index_offset); | |
675 | if (pcie_index_hi != 0) { | |
676 | writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); | |
677 | readl(pcie_index_hi_offset); | |
678 | } | |
679 | r |= ((u64)readl(pcie_data_offset) << 32); | |
680 | ||
681 | /* clear the high bits */ | |
682 | if (pcie_index_hi != 0) { | |
683 | writel(0, pcie_index_hi_offset); | |
684 | readl(pcie_index_hi_offset); | |
685 | } | |
686 | ||
687 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
688 | ||
689 | return r; | |
690 | } | |
691 | ||
1bba3683 HZ |
692 | /** |
693 | * amdgpu_device_indirect_wreg - write an indirect register address | |
694 | * | |
695 | * @adev: amdgpu_device pointer | |
1bba3683 HZ |
696 | * @reg_addr: indirect register offset |
697 | * @reg_data: indirect register data | |
698 | * | |
699 | */ | |
700 | void amdgpu_device_indirect_wreg(struct amdgpu_device *adev, | |
1bba3683 HZ |
701 | u32 reg_addr, u32 reg_data) |
702 | { | |
65ba96e9 | 703 | unsigned long flags, pcie_index, pcie_data; |
1bba3683 HZ |
704 | void __iomem *pcie_index_offset; |
705 | void __iomem *pcie_data_offset; | |
706 | ||
65ba96e9 HZ |
707 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); |
708 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
709 | ||
1bba3683 HZ |
710 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); |
711 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
712 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
713 | ||
714 | writel(reg_addr, pcie_index_offset); | |
715 | readl(pcie_index_offset); | |
716 | writel(reg_data, pcie_data_offset); | |
717 | readl(pcie_data_offset); | |
718 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
719 | } | |
720 | ||
0c552ed3 LM |
721 | void amdgpu_device_indirect_wreg_ext(struct amdgpu_device *adev, |
722 | u64 reg_addr, u32 reg_data) | |
723 | { | |
724 | unsigned long flags, pcie_index, pcie_index_hi, pcie_data; | |
725 | void __iomem *pcie_index_offset; | |
726 | void __iomem *pcie_index_hi_offset; | |
727 | void __iomem *pcie_data_offset; | |
728 | ||
729 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); | |
730 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
d57e24aa | 731 | if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset)) |
0c552ed3 LM |
732 | pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); |
733 | else | |
734 | pcie_index_hi = 0; | |
735 | ||
736 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
737 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
738 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
739 | if (pcie_index_hi != 0) | |
740 | pcie_index_hi_offset = (void __iomem *)adev->rmmio + | |
741 | pcie_index_hi * 4; | |
742 | ||
743 | writel(reg_addr, pcie_index_offset); | |
744 | readl(pcie_index_offset); | |
745 | if (pcie_index_hi != 0) { | |
746 | writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); | |
747 | readl(pcie_index_hi_offset); | |
748 | } | |
749 | writel(reg_data, pcie_data_offset); | |
750 | readl(pcie_data_offset); | |
751 | ||
752 | /* clear the high bits */ | |
753 | if (pcie_index_hi != 0) { | |
754 | writel(0, pcie_index_hi_offset); | |
755 | readl(pcie_index_hi_offset); | |
756 | } | |
757 | ||
758 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
759 | } | |
760 | ||
1bba3683 HZ |
761 | /** |
762 | * amdgpu_device_indirect_wreg64 - write a 64bits indirect register address | |
763 | * | |
764 | * @adev: amdgpu_device pointer | |
1bba3683 HZ |
765 | * @reg_addr: indirect register offset |
766 | * @reg_data: indirect register data | |
767 | * | |
768 | */ | |
769 | void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev, | |
1bba3683 HZ |
770 | u32 reg_addr, u64 reg_data) |
771 | { | |
65ba96e9 | 772 | unsigned long flags, pcie_index, pcie_data; |
1bba3683 HZ |
773 | void __iomem *pcie_index_offset; |
774 | void __iomem *pcie_data_offset; | |
775 | ||
65ba96e9 HZ |
776 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); |
777 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
778 | ||
1bba3683 HZ |
779 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); |
780 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
781 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
782 | ||
783 | /* write low 32 bits */ | |
784 | writel(reg_addr, pcie_index_offset); | |
785 | readl(pcie_index_offset); | |
786 | writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset); | |
787 | readl(pcie_data_offset); | |
788 | /* write high 32 bits */ | |
789 | writel(reg_addr + 4, pcie_index_offset); | |
790 | readl(pcie_index_offset); | |
791 | writel((u32)(reg_data >> 32), pcie_data_offset); | |
792 | readl(pcie_data_offset); | |
793 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
794 | } | |
795 | ||
a76b2870 CL |
796 | void amdgpu_device_indirect_wreg64_ext(struct amdgpu_device *adev, |
797 | u64 reg_addr, u64 reg_data) | |
798 | { | |
799 | unsigned long flags, pcie_index, pcie_data; | |
800 | unsigned long pcie_index_hi = 0; | |
801 | void __iomem *pcie_index_offset; | |
802 | void __iomem *pcie_index_hi_offset; | |
803 | void __iomem *pcie_data_offset; | |
804 | ||
805 | pcie_index = adev->nbio.funcs->get_pcie_index_offset(adev); | |
806 | pcie_data = adev->nbio.funcs->get_pcie_data_offset(adev); | |
807 | if ((reg_addr >> 32) && (adev->nbio.funcs->get_pcie_index_hi_offset)) | |
808 | pcie_index_hi = adev->nbio.funcs->get_pcie_index_hi_offset(adev); | |
809 | ||
810 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
811 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
812 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
813 | if (pcie_index_hi != 0) | |
814 | pcie_index_hi_offset = (void __iomem *)adev->rmmio + | |
815 | pcie_index_hi * 4; | |
816 | ||
817 | /* write low 32 bits */ | |
818 | writel(reg_addr, pcie_index_offset); | |
819 | readl(pcie_index_offset); | |
820 | if (pcie_index_hi != 0) { | |
821 | writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); | |
822 | readl(pcie_index_hi_offset); | |
823 | } | |
824 | writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset); | |
825 | readl(pcie_data_offset); | |
826 | /* write high 32 bits */ | |
827 | writel(reg_addr + 4, pcie_index_offset); | |
828 | readl(pcie_index_offset); | |
829 | if (pcie_index_hi != 0) { | |
830 | writel((reg_addr >> 32) & 0xff, pcie_index_hi_offset); | |
831 | readl(pcie_index_hi_offset); | |
832 | } | |
833 | writel((u32)(reg_data >> 32), pcie_data_offset); | |
834 | readl(pcie_data_offset); | |
835 | ||
836 | /* clear the high bits */ | |
837 | if (pcie_index_hi != 0) { | |
838 | writel(0, pcie_index_hi_offset); | |
839 | readl(pcie_index_hi_offset); | |
840 | } | |
841 | ||
842 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
843 | } | |
844 | ||
dabc114e HZ |
845 | /** |
846 | * amdgpu_device_get_rev_id - query device rev_id | |
847 | * | |
848 | * @adev: amdgpu_device pointer | |
849 | * | |
850 | * Return device rev_id | |
851 | */ | |
852 | u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev) | |
853 | { | |
854 | return adev->nbio.funcs->get_rev_id(adev); | |
855 | } | |
856 | ||
d38ceaf9 AD |
857 | /** |
858 | * amdgpu_invalid_rreg - dummy reg read function | |
859 | * | |
982a820b | 860 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
861 | * @reg: offset of register |
862 | * | |
863 | * Dummy register read function. Used for register blocks | |
864 | * that certain asics don't have (all asics). | |
865 | * Returns the value in the register. | |
866 | */ | |
867 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
868 | { | |
869 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
870 | BUG(); | |
871 | return 0; | |
872 | } | |
873 | ||
0c552ed3 LM |
874 | static uint32_t amdgpu_invalid_rreg_ext(struct amdgpu_device *adev, uint64_t reg) |
875 | { | |
876 | DRM_ERROR("Invalid callback to read register 0x%llX\n", reg); | |
877 | BUG(); | |
878 | return 0; | |
879 | } | |
880 | ||
d38ceaf9 AD |
881 | /** |
882 | * amdgpu_invalid_wreg - dummy reg write function | |
883 | * | |
982a820b | 884 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
885 | * @reg: offset of register |
886 | * @v: value to write to the register | |
887 | * | |
888 | * Dummy register read function. Used for register blocks | |
889 | * that certain asics don't have (all asics). | |
890 | */ | |
891 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
892 | { | |
893 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
894 | reg, v); | |
895 | BUG(); | |
896 | } | |
897 | ||
0c552ed3 LM |
898 | static void amdgpu_invalid_wreg_ext(struct amdgpu_device *adev, uint64_t reg, uint32_t v) |
899 | { | |
900 | DRM_ERROR("Invalid callback to write register 0x%llX with 0x%08X\n", | |
901 | reg, v); | |
902 | BUG(); | |
903 | } | |
904 | ||
4fa1c6a6 TZ |
905 | /** |
906 | * amdgpu_invalid_rreg64 - dummy 64 bit reg read function | |
907 | * | |
982a820b | 908 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
909 | * @reg: offset of register |
910 | * | |
911 | * Dummy register read function. Used for register blocks | |
912 | * that certain asics don't have (all asics). | |
913 | * Returns the value in the register. | |
914 | */ | |
915 | static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) | |
916 | { | |
917 | DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg); | |
918 | BUG(); | |
919 | return 0; | |
920 | } | |
921 | ||
a76b2870 CL |
922 | static uint64_t amdgpu_invalid_rreg64_ext(struct amdgpu_device *adev, uint64_t reg) |
923 | { | |
924 | DRM_ERROR("Invalid callback to read register 0x%llX\n", reg); | |
925 | BUG(); | |
926 | return 0; | |
927 | } | |
928 | ||
4fa1c6a6 TZ |
929 | /** |
930 | * amdgpu_invalid_wreg64 - dummy reg write function | |
931 | * | |
982a820b | 932 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
933 | * @reg: offset of register |
934 | * @v: value to write to the register | |
935 | * | |
936 | * Dummy register read function. Used for register blocks | |
937 | * that certain asics don't have (all asics). | |
938 | */ | |
939 | static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) | |
940 | { | |
941 | DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", | |
942 | reg, v); | |
943 | BUG(); | |
944 | } | |
945 | ||
a76b2870 CL |
946 | static void amdgpu_invalid_wreg64_ext(struct amdgpu_device *adev, uint64_t reg, uint64_t v) |
947 | { | |
948 | DRM_ERROR("Invalid callback to write 64 bit register 0x%llX with 0x%08llX\n", | |
949 | reg, v); | |
950 | BUG(); | |
951 | } | |
952 | ||
d38ceaf9 AD |
953 | /** |
954 | * amdgpu_block_invalid_rreg - dummy reg read function | |
955 | * | |
982a820b | 956 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
957 | * @block: offset of instance |
958 | * @reg: offset of register | |
959 | * | |
960 | * Dummy register read function. Used for register blocks | |
961 | * that certain asics don't have (all asics). | |
962 | * Returns the value in the register. | |
963 | */ | |
964 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
965 | uint32_t block, uint32_t reg) | |
966 | { | |
967 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
968 | reg, block); | |
969 | BUG(); | |
970 | return 0; | |
971 | } | |
972 | ||
973 | /** | |
974 | * amdgpu_block_invalid_wreg - dummy reg write function | |
975 | * | |
982a820b | 976 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
977 | * @block: offset of instance |
978 | * @reg: offset of register | |
979 | * @v: value to write to the register | |
980 | * | |
981 | * Dummy register read function. Used for register blocks | |
982 | * that certain asics don't have (all asics). | |
983 | */ | |
984 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
985 | uint32_t block, | |
986 | uint32_t reg, uint32_t v) | |
987 | { | |
988 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
989 | reg, block, v); | |
990 | BUG(); | |
991 | } | |
992 | ||
4d2997ab AD |
993 | /** |
994 | * amdgpu_device_asic_init - Wrapper for atom asic_init | |
995 | * | |
982a820b | 996 | * @adev: amdgpu_device pointer |
4d2997ab AD |
997 | * |
998 | * Does any asic specific work and then calls atom asic init. | |
999 | */ | |
1000 | static int amdgpu_device_asic_init(struct amdgpu_device *adev) | |
1001 | { | |
15c5c5f5 LL |
1002 | int ret; |
1003 | ||
4d2997ab AD |
1004 | amdgpu_asic_pre_asic_init(adev); |
1005 | ||
4e8303cf LL |
1006 | if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) || |
1007 | amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(11, 0, 0)) { | |
15c5c5f5 LL |
1008 | amdgpu_psp_wait_for_bootloader(adev); |
1009 | ret = amdgpu_atomfirmware_asic_init(adev, true); | |
1010 | return ret; | |
1011 | } else { | |
85d1bcc6 | 1012 | return amdgpu_atom_asic_init(adev->mode_info.atom_context); |
15c5c5f5 LL |
1013 | } |
1014 | ||
1015 | return 0; | |
4d2997ab AD |
1016 | } |
1017 | ||
e3ecdffa | 1018 | /** |
7ccfd79f | 1019 | * amdgpu_device_mem_scratch_init - allocate the VRAM scratch page |
e3ecdffa | 1020 | * |
982a820b | 1021 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
1022 | * |
1023 | * Allocates a scratch page of VRAM for use by various things in the | |
1024 | * driver. | |
1025 | */ | |
7ccfd79f | 1026 | static int amdgpu_device_mem_scratch_init(struct amdgpu_device *adev) |
d38ceaf9 | 1027 | { |
7ccfd79f CK |
1028 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, PAGE_SIZE, |
1029 | AMDGPU_GEM_DOMAIN_VRAM | | |
1030 | AMDGPU_GEM_DOMAIN_GTT, | |
1031 | &adev->mem_scratch.robj, | |
1032 | &adev->mem_scratch.gpu_addr, | |
1033 | (void **)&adev->mem_scratch.ptr); | |
d38ceaf9 AD |
1034 | } |
1035 | ||
e3ecdffa | 1036 | /** |
7ccfd79f | 1037 | * amdgpu_device_mem_scratch_fini - Free the VRAM scratch page |
e3ecdffa | 1038 | * |
982a820b | 1039 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
1040 | * |
1041 | * Frees the VRAM scratch page. | |
1042 | */ | |
7ccfd79f | 1043 | static void amdgpu_device_mem_scratch_fini(struct amdgpu_device *adev) |
d38ceaf9 | 1044 | { |
7ccfd79f | 1045 | amdgpu_bo_free_kernel(&adev->mem_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
1046 | } |
1047 | ||
1048 | /** | |
9c3f2b54 | 1049 | * amdgpu_device_program_register_sequence - program an array of registers. |
d38ceaf9 AD |
1050 | * |
1051 | * @adev: amdgpu_device pointer | |
1052 | * @registers: pointer to the register array | |
1053 | * @array_size: size of the register array | |
1054 | * | |
b8920e1e | 1055 | * Programs an array or registers with and or masks. |
d38ceaf9 AD |
1056 | * This is a helper for setting golden registers. |
1057 | */ | |
9c3f2b54 AD |
1058 | void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, |
1059 | const u32 *registers, | |
1060 | const u32 array_size) | |
d38ceaf9 AD |
1061 | { |
1062 | u32 tmp, reg, and_mask, or_mask; | |
1063 | int i; | |
1064 | ||
1065 | if (array_size % 3) | |
1066 | return; | |
1067 | ||
47fc644f | 1068 | for (i = 0; i < array_size; i += 3) { |
d38ceaf9 AD |
1069 | reg = registers[i + 0]; |
1070 | and_mask = registers[i + 1]; | |
1071 | or_mask = registers[i + 2]; | |
1072 | ||
1073 | if (and_mask == 0xffffffff) { | |
1074 | tmp = or_mask; | |
1075 | } else { | |
1076 | tmp = RREG32(reg); | |
1077 | tmp &= ~and_mask; | |
e0d07657 HZ |
1078 | if (adev->family >= AMDGPU_FAMILY_AI) |
1079 | tmp |= (or_mask & and_mask); | |
1080 | else | |
1081 | tmp |= or_mask; | |
d38ceaf9 AD |
1082 | } |
1083 | WREG32(reg, tmp); | |
1084 | } | |
1085 | } | |
1086 | ||
e3ecdffa AD |
1087 | /** |
1088 | * amdgpu_device_pci_config_reset - reset the GPU | |
1089 | * | |
1090 | * @adev: amdgpu_device pointer | |
1091 | * | |
1092 | * Resets the GPU using the pci config reset sequence. | |
1093 | * Only applicable to asics prior to vega10. | |
1094 | */ | |
8111c387 | 1095 | void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) |
d38ceaf9 AD |
1096 | { |
1097 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
1098 | } | |
1099 | ||
af484df8 AD |
1100 | /** |
1101 | * amdgpu_device_pci_reset - reset the GPU using generic PCI means | |
1102 | * | |
1103 | * @adev: amdgpu_device pointer | |
1104 | * | |
1105 | * Resets the GPU using generic pci reset interfaces (FLR, SBR, etc.). | |
1106 | */ | |
1107 | int amdgpu_device_pci_reset(struct amdgpu_device *adev) | |
1108 | { | |
1109 | return pci_reset_function(adev->pdev); | |
1110 | } | |
1111 | ||
d38ceaf9 | 1112 | /* |
06ec9070 | 1113 | * amdgpu_device_wb_*() |
455a7bc2 | 1114 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 1115 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
1116 | */ |
1117 | ||
1118 | /** | |
06ec9070 | 1119 | * amdgpu_device_wb_fini - Disable Writeback and free memory |
d38ceaf9 AD |
1120 | * |
1121 | * @adev: amdgpu_device pointer | |
1122 | * | |
1123 | * Disables Writeback and frees the Writeback memory (all asics). | |
1124 | * Used at driver shutdown. | |
1125 | */ | |
06ec9070 | 1126 | static void amdgpu_device_wb_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
1127 | { |
1128 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
1129 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
1130 | &adev->wb.gpu_addr, | |
1131 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1132 | adev->wb.wb_obj = NULL; |
1133 | } | |
1134 | } | |
1135 | ||
1136 | /** | |
03f2abb0 | 1137 | * amdgpu_device_wb_init - Init Writeback driver info and allocate memory |
d38ceaf9 AD |
1138 | * |
1139 | * @adev: amdgpu_device pointer | |
1140 | * | |
455a7bc2 | 1141 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
1142 | * Used at driver startup. |
1143 | * Returns 0 on success or an -error on failure. | |
1144 | */ | |
06ec9070 | 1145 | static int amdgpu_device_wb_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
1146 | { |
1147 | int r; | |
1148 | ||
1149 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
1150 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
1151 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
1152 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
1153 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
1154 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1155 | if (r) { |
1156 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
1157 | return r; | |
1158 | } | |
d38ceaf9 AD |
1159 | |
1160 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
1161 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
1162 | ||
1163 | /* clear wb memory */ | |
73469585 | 1164 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8); |
d38ceaf9 AD |
1165 | } |
1166 | ||
1167 | return 0; | |
1168 | } | |
1169 | ||
1170 | /** | |
131b4b36 | 1171 | * amdgpu_device_wb_get - Allocate a wb entry |
d38ceaf9 AD |
1172 | * |
1173 | * @adev: amdgpu_device pointer | |
1174 | * @wb: wb index | |
1175 | * | |
1176 | * Allocate a wb slot for use by the driver (all asics). | |
1177 | * Returns 0 on success or -EINVAL on failure. | |
1178 | */ | |
131b4b36 | 1179 | int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) |
d38ceaf9 AD |
1180 | { |
1181 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 1182 | |
97407b63 | 1183 | if (offset < adev->wb.num_wb) { |
7014285a | 1184 | __set_bit(offset, adev->wb.used); |
63ae07ca | 1185 | *wb = offset << 3; /* convert to dw offset */ |
0915fdbc ML |
1186 | return 0; |
1187 | } else { | |
1188 | return -EINVAL; | |
1189 | } | |
1190 | } | |
1191 | ||
d38ceaf9 | 1192 | /** |
131b4b36 | 1193 | * amdgpu_device_wb_free - Free a wb entry |
d38ceaf9 AD |
1194 | * |
1195 | * @adev: amdgpu_device pointer | |
1196 | * @wb: wb index | |
1197 | * | |
1198 | * Free a wb slot allocated for use by the driver (all asics) | |
1199 | */ | |
131b4b36 | 1200 | void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) |
d38ceaf9 | 1201 | { |
73469585 | 1202 | wb >>= 3; |
d38ceaf9 | 1203 | if (wb < adev->wb.num_wb) |
73469585 | 1204 | __clear_bit(wb, adev->wb.used); |
d38ceaf9 AD |
1205 | } |
1206 | ||
d6895ad3 CK |
1207 | /** |
1208 | * amdgpu_device_resize_fb_bar - try to resize FB BAR | |
1209 | * | |
1210 | * @adev: amdgpu_device pointer | |
1211 | * | |
1212 | * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not | |
1213 | * to fail, but if any of the BARs is not accessible after the size we abort | |
1214 | * driver loading by returning -ENODEV. | |
1215 | */ | |
1216 | int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) | |
1217 | { | |
453f617a | 1218 | int rbar_size = pci_rebar_bytes_to_size(adev->gmc.real_vram_size); |
31b8adab CK |
1219 | struct pci_bus *root; |
1220 | struct resource *res; | |
b8920e1e | 1221 | unsigned int i; |
d6895ad3 CK |
1222 | u16 cmd; |
1223 | int r; | |
1224 | ||
822130b5 AB |
1225 | if (!IS_ENABLED(CONFIG_PHYS_ADDR_T_64BIT)) |
1226 | return 0; | |
1227 | ||
0c03b912 | 1228 | /* Bypass for VF */ |
1229 | if (amdgpu_sriov_vf(adev)) | |
1230 | return 0; | |
1231 | ||
b7221f2b AD |
1232 | /* skip if the bios has already enabled large BAR */ |
1233 | if (adev->gmc.real_vram_size && | |
1234 | (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) | |
1235 | return 0; | |
1236 | ||
31b8adab CK |
1237 | /* Check if the root BUS has 64bit memory resources */ |
1238 | root = adev->pdev->bus; | |
1239 | while (root->parent) | |
1240 | root = root->parent; | |
1241 | ||
1242 | pci_bus_for_each_resource(root, res, i) { | |
0ebb7c54 | 1243 | if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && |
31b8adab CK |
1244 | res->start > 0x100000000ull) |
1245 | break; | |
1246 | } | |
1247 | ||
1248 | /* Trying to resize is pointless without a root hub window above 4GB */ | |
1249 | if (!res) | |
1250 | return 0; | |
1251 | ||
453f617a ND |
1252 | /* Limit the BAR size to what is available */ |
1253 | rbar_size = min(fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1, | |
1254 | rbar_size); | |
1255 | ||
d6895ad3 CK |
1256 | /* Disable memory decoding while we change the BAR addresses and size */ |
1257 | pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); | |
1258 | pci_write_config_word(adev->pdev, PCI_COMMAND, | |
1259 | cmd & ~PCI_COMMAND_MEMORY); | |
1260 | ||
1261 | /* Free the VRAM and doorbell BAR, we most likely need to move both. */ | |
43c064db | 1262 | amdgpu_doorbell_fini(adev); |
d6895ad3 CK |
1263 | if (adev->asic_type >= CHIP_BONAIRE) |
1264 | pci_release_resource(adev->pdev, 2); | |
1265 | ||
1266 | pci_release_resource(adev->pdev, 0); | |
1267 | ||
1268 | r = pci_resize_resource(adev->pdev, 0, rbar_size); | |
1269 | if (r == -ENOSPC) | |
1270 | DRM_INFO("Not enough PCI address space for a large BAR."); | |
1271 | else if (r && r != -ENOTSUPP) | |
1272 | DRM_ERROR("Problem resizing BAR0 (%d).", r); | |
1273 | ||
1274 | pci_assign_unassigned_bus_resources(adev->pdev->bus); | |
1275 | ||
1276 | /* When the doorbell or fb BAR isn't available we have no chance of | |
1277 | * using the device. | |
1278 | */ | |
43c064db | 1279 | r = amdgpu_doorbell_init(adev); |
d6895ad3 CK |
1280 | if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) |
1281 | return -ENODEV; | |
1282 | ||
1283 | pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); | |
1284 | ||
1285 | return 0; | |
1286 | } | |
a05502e5 | 1287 | |
9535a86a SZ |
1288 | static bool amdgpu_device_read_bios(struct amdgpu_device *adev) |
1289 | { | |
b8920e1e | 1290 | if (hweight32(adev->aid_mask) && (adev->flags & AMD_IS_APU)) |
9535a86a | 1291 | return false; |
9535a86a SZ |
1292 | |
1293 | return true; | |
1294 | } | |
1295 | ||
d38ceaf9 AD |
1296 | /* |
1297 | * GPU helpers function. | |
1298 | */ | |
1299 | /** | |
39c640c0 | 1300 | * amdgpu_device_need_post - check if the hw need post or not |
d38ceaf9 AD |
1301 | * |
1302 | * @adev: amdgpu_device pointer | |
1303 | * | |
c836fec5 JQ |
1304 | * Check if the asic has been initialized (all asics) at driver startup |
1305 | * or post is needed if hw reset is performed. | |
1306 | * Returns true if need or false if not. | |
d38ceaf9 | 1307 | */ |
39c640c0 | 1308 | bool amdgpu_device_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
1309 | { |
1310 | uint32_t reg; | |
1311 | ||
bec86378 ML |
1312 | if (amdgpu_sriov_vf(adev)) |
1313 | return false; | |
1314 | ||
9535a86a SZ |
1315 | if (!amdgpu_device_read_bios(adev)) |
1316 | return false; | |
1317 | ||
bec86378 | 1318 | if (amdgpu_passthrough(adev)) { |
1da2c326 ML |
1319 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
1320 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
1321 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
1322 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
1323 | */ |
1324 | if (adev->asic_type == CHIP_FIJI) { | |
1325 | int err; | |
1326 | uint32_t fw_ver; | |
b8920e1e | 1327 | |
bec86378 ML |
1328 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); |
1329 | /* force vPost if error occured */ | |
1330 | if (err) | |
1331 | return true; | |
1332 | ||
1333 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
1334 | if (fw_ver < 0x00160e00) |
1335 | return true; | |
bec86378 | 1336 | } |
bec86378 | 1337 | } |
91fe77eb | 1338 | |
e3c1b071 | 1339 | /* Don't post if we need to reset whole hive on init */ |
1340 | if (adev->gmc.xgmi.pending_reset) | |
1341 | return false; | |
1342 | ||
91fe77eb | 1343 | if (adev->has_hw_reset) { |
1344 | adev->has_hw_reset = false; | |
1345 | return true; | |
1346 | } | |
1347 | ||
1348 | /* bios scratch used on CIK+ */ | |
1349 | if (adev->asic_type >= CHIP_BONAIRE) | |
1350 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
1351 | ||
1352 | /* check MEM_SIZE for older asics */ | |
1353 | reg = amdgpu_asic_get_config_memsize(adev); | |
1354 | ||
1355 | if ((reg != 0) && (reg != 0xffffffff)) | |
1356 | return false; | |
1357 | ||
1358 | return true; | |
70e64c4d ML |
1359 | } |
1360 | ||
bb0f8429 ML |
1361 | /* |
1362 | * Check whether seamless boot is supported. | |
1363 | * | |
7f4ce7b5 ML |
1364 | * So far we only support seamless boot on DCE 3.0 or later. |
1365 | * If users report that it works on older ASICS as well, we may | |
1366 | * loosen this. | |
bb0f8429 ML |
1367 | */ |
1368 | bool amdgpu_device_seamless_boot_supported(struct amdgpu_device *adev) | |
1369 | { | |
5dc270d3 ML |
1370 | switch (amdgpu_seamless) { |
1371 | case -1: | |
1372 | break; | |
1373 | case 1: | |
1374 | return true; | |
1375 | case 0: | |
1376 | return false; | |
1377 | default: | |
1378 | DRM_ERROR("Invalid value for amdgpu.seamless: %d\n", | |
1379 | amdgpu_seamless); | |
1380 | return false; | |
1381 | } | |
1382 | ||
1383 | if (adev->mman.keep_stolen_vga_memory) | |
1384 | return false; | |
1385 | ||
7f4ce7b5 | 1386 | return adev->ip_versions[DCE_HWIP][0] >= IP_VERSION(3, 0, 0); |
bb0f8429 ML |
1387 | } |
1388 | ||
5d1eb4c4 ML |
1389 | /* |
1390 | * Intel hosts such as Raptor Lake and Sapphire Rapids don't support dynamic | |
1391 | * speed switching. Until we have confirmation from Intel that a specific host | |
1392 | * supports it, it's safer that we keep it disabled for all. | |
1393 | * | |
1394 | * https://edc.intel.com/content/www/us/en/design/products/platforms/details/raptor-lake-s/13th-generation-core-processors-datasheet-volume-1-of-2/005/pci-express-support/ | |
1395 | * https://gitlab.freedesktop.org/drm/amd/-/issues/2663 | |
1396 | */ | |
1397 | bool amdgpu_device_pcie_dynamic_switching_supported(void) | |
1398 | { | |
1399 | #if IS_ENABLED(CONFIG_X86) | |
1400 | struct cpuinfo_x86 *c = &cpu_data(0); | |
1401 | ||
1402 | if (c->x86_vendor == X86_VENDOR_INTEL) | |
1403 | return false; | |
1404 | #endif | |
1405 | return true; | |
1406 | } | |
1407 | ||
0ab5d711 ML |
1408 | /** |
1409 | * amdgpu_device_should_use_aspm - check if the device should program ASPM | |
1410 | * | |
1411 | * @adev: amdgpu_device pointer | |
1412 | * | |
1413 | * Confirm whether the module parameter and pcie bridge agree that ASPM should | |
1414 | * be set for this device. | |
1415 | * | |
1416 | * Returns true if it should be used or false if not. | |
1417 | */ | |
1418 | bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev) | |
1419 | { | |
1420 | switch (amdgpu_aspm) { | |
1421 | case -1: | |
1422 | break; | |
1423 | case 0: | |
1424 | return false; | |
1425 | case 1: | |
1426 | return true; | |
1427 | default: | |
1428 | return false; | |
1429 | } | |
1430 | return pcie_aspm_enabled(adev->pdev); | |
1431 | } | |
1432 | ||
3ad5dcfe KHF |
1433 | bool amdgpu_device_aspm_support_quirk(void) |
1434 | { | |
1435 | #if IS_ENABLED(CONFIG_X86) | |
1436 | struct cpuinfo_x86 *c = &cpu_data(0); | |
1437 | ||
1438 | return !(c->x86 == 6 && c->x86_model == INTEL_FAM6_ALDERLAKE); | |
1439 | #else | |
1440 | return true; | |
1441 | #endif | |
1442 | } | |
1443 | ||
d38ceaf9 AD |
1444 | /* if we get transitioned to only one device, take VGA back */ |
1445 | /** | |
06ec9070 | 1446 | * amdgpu_device_vga_set_decode - enable/disable vga decode |
d38ceaf9 | 1447 | * |
bf44e8ce | 1448 | * @pdev: PCI device pointer |
d38ceaf9 AD |
1449 | * @state: enable/disable vga decode |
1450 | * | |
1451 | * Enable/disable vga decode (all asics). | |
1452 | * Returns VGA resource flags. | |
1453 | */ | |
bf44e8ce CH |
1454 | static unsigned int amdgpu_device_vga_set_decode(struct pci_dev *pdev, |
1455 | bool state) | |
d38ceaf9 | 1456 | { |
bf44e8ce | 1457 | struct amdgpu_device *adev = drm_to_adev(pci_get_drvdata(pdev)); |
b8920e1e | 1458 | |
d38ceaf9 AD |
1459 | amdgpu_asic_set_vga_state(adev, state); |
1460 | if (state) | |
1461 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1462 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1463 | else | |
1464 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1465 | } | |
1466 | ||
e3ecdffa AD |
1467 | /** |
1468 | * amdgpu_device_check_block_size - validate the vm block size | |
1469 | * | |
1470 | * @adev: amdgpu_device pointer | |
1471 | * | |
1472 | * Validates the vm block size specified via module parameter. | |
1473 | * The vm block size defines number of bits in page table versus page directory, | |
1474 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1475 | * page table and the remaining bits are in the page directory. | |
1476 | */ | |
06ec9070 | 1477 | static void amdgpu_device_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1478 | { |
1479 | /* defines number of bits in page table versus page directory, | |
1480 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
b8920e1e SS |
1481 | * page table and the remaining bits are in the page directory |
1482 | */ | |
bab4fee7 JZ |
1483 | if (amdgpu_vm_block_size == -1) |
1484 | return; | |
a1adf8be | 1485 | |
bab4fee7 | 1486 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1487 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1488 | amdgpu_vm_block_size); | |
97489129 | 1489 | amdgpu_vm_block_size = -1; |
a1adf8be | 1490 | } |
a1adf8be CZ |
1491 | } |
1492 | ||
e3ecdffa AD |
1493 | /** |
1494 | * amdgpu_device_check_vm_size - validate the vm size | |
1495 | * | |
1496 | * @adev: amdgpu_device pointer | |
1497 | * | |
1498 | * Validates the vm size in GB specified via module parameter. | |
1499 | * The VM size is the size of the GPU virtual memory space in GB. | |
1500 | */ | |
06ec9070 | 1501 | static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) |
83ca145d | 1502 | { |
64dab074 AD |
1503 | /* no need to check the default value */ |
1504 | if (amdgpu_vm_size == -1) | |
1505 | return; | |
1506 | ||
83ca145d ZJ |
1507 | if (amdgpu_vm_size < 1) { |
1508 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1509 | amdgpu_vm_size); | |
f3368128 | 1510 | amdgpu_vm_size = -1; |
83ca145d | 1511 | } |
83ca145d ZJ |
1512 | } |
1513 | ||
7951e376 RZ |
1514 | static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) |
1515 | { | |
1516 | struct sysinfo si; | |
a9d4fe2f | 1517 | bool is_os_64 = (sizeof(void *) == 8); |
7951e376 RZ |
1518 | uint64_t total_memory; |
1519 | uint64_t dram_size_seven_GB = 0x1B8000000; | |
1520 | uint64_t dram_size_three_GB = 0xB8000000; | |
1521 | ||
1522 | if (amdgpu_smu_memory_pool_size == 0) | |
1523 | return; | |
1524 | ||
1525 | if (!is_os_64) { | |
1526 | DRM_WARN("Not 64-bit OS, feature not supported\n"); | |
1527 | goto def_value; | |
1528 | } | |
1529 | si_meminfo(&si); | |
1530 | total_memory = (uint64_t)si.totalram * si.mem_unit; | |
1531 | ||
1532 | if ((amdgpu_smu_memory_pool_size == 1) || | |
1533 | (amdgpu_smu_memory_pool_size == 2)) { | |
1534 | if (total_memory < dram_size_three_GB) | |
1535 | goto def_value1; | |
1536 | } else if ((amdgpu_smu_memory_pool_size == 4) || | |
1537 | (amdgpu_smu_memory_pool_size == 8)) { | |
1538 | if (total_memory < dram_size_seven_GB) | |
1539 | goto def_value1; | |
1540 | } else { | |
1541 | DRM_WARN("Smu memory pool size not supported\n"); | |
1542 | goto def_value; | |
1543 | } | |
1544 | adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; | |
1545 | ||
1546 | return; | |
1547 | ||
1548 | def_value1: | |
1549 | DRM_WARN("No enough system memory\n"); | |
1550 | def_value: | |
1551 | adev->pm.smu_prv_buffer_size = 0; | |
1552 | } | |
1553 | ||
9f6a7857 HR |
1554 | static int amdgpu_device_init_apu_flags(struct amdgpu_device *adev) |
1555 | { | |
1556 | if (!(adev->flags & AMD_IS_APU) || | |
1557 | adev->asic_type < CHIP_RAVEN) | |
1558 | return 0; | |
1559 | ||
1560 | switch (adev->asic_type) { | |
1561 | case CHIP_RAVEN: | |
1562 | if (adev->pdev->device == 0x15dd) | |
1563 | adev->apu_flags |= AMD_APU_IS_RAVEN; | |
1564 | if (adev->pdev->device == 0x15d8) | |
1565 | adev->apu_flags |= AMD_APU_IS_PICASSO; | |
1566 | break; | |
1567 | case CHIP_RENOIR: | |
1568 | if ((adev->pdev->device == 0x1636) || | |
1569 | (adev->pdev->device == 0x164c)) | |
1570 | adev->apu_flags |= AMD_APU_IS_RENOIR; | |
1571 | else | |
1572 | adev->apu_flags |= AMD_APU_IS_GREEN_SARDINE; | |
1573 | break; | |
1574 | case CHIP_VANGOGH: | |
1575 | adev->apu_flags |= AMD_APU_IS_VANGOGH; | |
1576 | break; | |
1577 | case CHIP_YELLOW_CARP: | |
1578 | break; | |
d0f56dc2 | 1579 | case CHIP_CYAN_SKILLFISH: |
dfcc3e8c AD |
1580 | if ((adev->pdev->device == 0x13FE) || |
1581 | (adev->pdev->device == 0x143F)) | |
d0f56dc2 TZ |
1582 | adev->apu_flags |= AMD_APU_IS_CYAN_SKILLFISH2; |
1583 | break; | |
9f6a7857 | 1584 | default: |
4eaf21b7 | 1585 | break; |
9f6a7857 HR |
1586 | } |
1587 | ||
1588 | return 0; | |
1589 | } | |
1590 | ||
d38ceaf9 | 1591 | /** |
06ec9070 | 1592 | * amdgpu_device_check_arguments - validate module params |
d38ceaf9 AD |
1593 | * |
1594 | * @adev: amdgpu_device pointer | |
1595 | * | |
1596 | * Validates certain module parameters and updates | |
1597 | * the associated values used by the driver (all asics). | |
1598 | */ | |
912dfc84 | 1599 | static int amdgpu_device_check_arguments(struct amdgpu_device *adev) |
d38ceaf9 | 1600 | { |
5b011235 CZ |
1601 | if (amdgpu_sched_jobs < 4) { |
1602 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1603 | amdgpu_sched_jobs); | |
1604 | amdgpu_sched_jobs = 4; | |
47fc644f | 1605 | } else if (!is_power_of_2(amdgpu_sched_jobs)) { |
5b011235 CZ |
1606 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1607 | amdgpu_sched_jobs); | |
1608 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1609 | } | |
d38ceaf9 | 1610 | |
83e74db6 | 1611 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1612 | /* gart size must be greater or equal to 32M */ |
1613 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1614 | amdgpu_gart_size); | |
83e74db6 | 1615 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1616 | } |
1617 | ||
36d38372 | 1618 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1619 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1620 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1621 | amdgpu_gtt_size); | |
1622 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1623 | } |
1624 | ||
d07f14be RH |
1625 | /* valid range is between 4 and 9 inclusive */ |
1626 | if (amdgpu_vm_fragment_size != -1 && | |
1627 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1628 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1629 | amdgpu_vm_fragment_size = -1; | |
1630 | } | |
1631 | ||
5d5bd5e3 KW |
1632 | if (amdgpu_sched_hw_submission < 2) { |
1633 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be at least 2\n", | |
1634 | amdgpu_sched_hw_submission); | |
1635 | amdgpu_sched_hw_submission = 2; | |
1636 | } else if (!is_power_of_2(amdgpu_sched_hw_submission)) { | |
1637 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be a power of 2\n", | |
1638 | amdgpu_sched_hw_submission); | |
1639 | amdgpu_sched_hw_submission = roundup_pow_of_two(amdgpu_sched_hw_submission); | |
1640 | } | |
1641 | ||
2656fd23 AG |
1642 | if (amdgpu_reset_method < -1 || amdgpu_reset_method > 4) { |
1643 | dev_warn(adev->dev, "invalid option for reset method, reverting to default\n"); | |
1644 | amdgpu_reset_method = -1; | |
1645 | } | |
1646 | ||
7951e376 RZ |
1647 | amdgpu_device_check_smu_prv_buffer_size(adev); |
1648 | ||
06ec9070 | 1649 | amdgpu_device_check_vm_size(adev); |
d38ceaf9 | 1650 | |
06ec9070 | 1651 | amdgpu_device_check_block_size(adev); |
6a7f76e7 | 1652 | |
19aede77 | 1653 | adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); |
912dfc84 | 1654 | |
e3c00faa | 1655 | return 0; |
d38ceaf9 AD |
1656 | } |
1657 | ||
1658 | /** | |
1659 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1660 | * | |
1661 | * @pdev: pci dev pointer | |
1694467b | 1662 | * @state: vga_switcheroo state |
d38ceaf9 | 1663 | * |
12024b17 | 1664 | * Callback for the switcheroo driver. Suspends or resumes |
d38ceaf9 AD |
1665 | * the asics before or after it is powered up using ACPI methods. |
1666 | */ | |
8aba21b7 LT |
1667 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, |
1668 | enum vga_switcheroo_state state) | |
d38ceaf9 AD |
1669 | { |
1670 | struct drm_device *dev = pci_get_drvdata(pdev); | |
de185019 | 1671 | int r; |
d38ceaf9 | 1672 | |
b98c6299 | 1673 | if (amdgpu_device_supports_px(dev) && state == VGA_SWITCHEROO_OFF) |
d38ceaf9 AD |
1674 | return; |
1675 | ||
1676 | if (state == VGA_SWITCHEROO_ON) { | |
dd4fa6c1 | 1677 | pr_info("switched on\n"); |
d38ceaf9 AD |
1678 | /* don't suspend or resume card normally */ |
1679 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1680 | ||
8f66090b TZ |
1681 | pci_set_power_state(pdev, PCI_D0); |
1682 | amdgpu_device_load_pci_state(pdev); | |
1683 | r = pci_enable_device(pdev); | |
de185019 AD |
1684 | if (r) |
1685 | DRM_WARN("pci_enable_device failed (%d)\n", r); | |
1686 | amdgpu_device_resume(dev, true); | |
d38ceaf9 | 1687 | |
d38ceaf9 | 1688 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
d38ceaf9 | 1689 | } else { |
dd4fa6c1 | 1690 | pr_info("switched off\n"); |
d38ceaf9 | 1691 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; |
de185019 | 1692 | amdgpu_device_suspend(dev, true); |
8f66090b | 1693 | amdgpu_device_cache_pci_state(pdev); |
de185019 | 1694 | /* Shut down the device */ |
8f66090b TZ |
1695 | pci_disable_device(pdev); |
1696 | pci_set_power_state(pdev, PCI_D3cold); | |
d38ceaf9 AD |
1697 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1698 | } | |
1699 | } | |
1700 | ||
1701 | /** | |
1702 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1703 | * | |
1704 | * @pdev: pci dev pointer | |
1705 | * | |
1706 | * Callback for the switcheroo driver. Check of the switcheroo | |
1707 | * state can be changed. | |
1708 | * Returns true if the state can be changed, false if not. | |
1709 | */ | |
1710 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1711 | { | |
1712 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1713 | ||
b8920e1e | 1714 | /* |
d38ceaf9 AD |
1715 | * FIXME: open_count is protected by drm_global_mutex but that would lead to |
1716 | * locking inversion with the driver load path. And the access here is | |
1717 | * completely racy anyway. So don't bother with locking for now. | |
1718 | */ | |
7e13ad89 | 1719 | return atomic_read(&dev->open_count) == 0; |
d38ceaf9 AD |
1720 | } |
1721 | ||
1722 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1723 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1724 | .reprobe = NULL, | |
1725 | .can_switch = amdgpu_switcheroo_can_switch, | |
1726 | }; | |
1727 | ||
e3ecdffa AD |
1728 | /** |
1729 | * amdgpu_device_ip_set_clockgating_state - set the CG state | |
1730 | * | |
87e3f136 | 1731 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1732 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1733 | * @state: clockgating state (gate or ungate) | |
1734 | * | |
1735 | * Sets the requested clockgating state for all instances of | |
1736 | * the hardware IP specified. | |
1737 | * Returns the error code from the last instance. | |
1738 | */ | |
43fa561f | 1739 | int amdgpu_device_ip_set_clockgating_state(void *dev, |
2990a1fc AD |
1740 | enum amd_ip_block_type block_type, |
1741 | enum amd_clockgating_state state) | |
d38ceaf9 | 1742 | { |
43fa561f | 1743 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1744 | int i, r = 0; |
1745 | ||
1746 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1747 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1748 | continue; |
c722865a RZ |
1749 | if (adev->ip_blocks[i].version->type != block_type) |
1750 | continue; | |
1751 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1752 | continue; | |
1753 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1754 | (void *)adev, state); | |
1755 | if (r) | |
1756 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1757 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1758 | } |
1759 | return r; | |
1760 | } | |
1761 | ||
e3ecdffa AD |
1762 | /** |
1763 | * amdgpu_device_ip_set_powergating_state - set the PG state | |
1764 | * | |
87e3f136 | 1765 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1766 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1767 | * @state: powergating state (gate or ungate) | |
1768 | * | |
1769 | * Sets the requested powergating state for all instances of | |
1770 | * the hardware IP specified. | |
1771 | * Returns the error code from the last instance. | |
1772 | */ | |
43fa561f | 1773 | int amdgpu_device_ip_set_powergating_state(void *dev, |
2990a1fc AD |
1774 | enum amd_ip_block_type block_type, |
1775 | enum amd_powergating_state state) | |
d38ceaf9 | 1776 | { |
43fa561f | 1777 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1778 | int i, r = 0; |
1779 | ||
1780 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1781 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1782 | continue; |
c722865a RZ |
1783 | if (adev->ip_blocks[i].version->type != block_type) |
1784 | continue; | |
1785 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1786 | continue; | |
1787 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1788 | (void *)adev, state); | |
1789 | if (r) | |
1790 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1791 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1792 | } |
1793 | return r; | |
1794 | } | |
1795 | ||
e3ecdffa AD |
1796 | /** |
1797 | * amdgpu_device_ip_get_clockgating_state - get the CG state | |
1798 | * | |
1799 | * @adev: amdgpu_device pointer | |
1800 | * @flags: clockgating feature flags | |
1801 | * | |
1802 | * Walks the list of IPs on the device and updates the clockgating | |
1803 | * flags for each IP. | |
1804 | * Updates @flags with the feature flags for each hardware IP where | |
1805 | * clockgating is enabled. | |
1806 | */ | |
2990a1fc | 1807 | void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, |
25faeddc | 1808 | u64 *flags) |
6cb2d4e4 HR |
1809 | { |
1810 | int i; | |
1811 | ||
1812 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1813 | if (!adev->ip_blocks[i].status.valid) | |
1814 | continue; | |
1815 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1816 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1817 | } | |
1818 | } | |
1819 | ||
e3ecdffa AD |
1820 | /** |
1821 | * amdgpu_device_ip_wait_for_idle - wait for idle | |
1822 | * | |
1823 | * @adev: amdgpu_device pointer | |
1824 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1825 | * | |
1826 | * Waits for the request hardware IP to be idle. | |
1827 | * Returns 0 for success or a negative error code on failure. | |
1828 | */ | |
2990a1fc AD |
1829 | int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, |
1830 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1831 | { |
1832 | int i, r; | |
1833 | ||
1834 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1835 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1836 | continue; |
a1255107 AD |
1837 | if (adev->ip_blocks[i].version->type == block_type) { |
1838 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1839 | if (r) |
1840 | return r; | |
1841 | break; | |
1842 | } | |
1843 | } | |
1844 | return 0; | |
1845 | ||
1846 | } | |
1847 | ||
e3ecdffa AD |
1848 | /** |
1849 | * amdgpu_device_ip_is_idle - is the hardware IP idle | |
1850 | * | |
1851 | * @adev: amdgpu_device pointer | |
1852 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1853 | * | |
1854 | * Check if the hardware IP is idle or not. | |
1855 | * Returns true if it the IP is idle, false if not. | |
1856 | */ | |
2990a1fc AD |
1857 | bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, |
1858 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1859 | { |
1860 | int i; | |
1861 | ||
1862 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1863 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1864 | continue; |
a1255107 AD |
1865 | if (adev->ip_blocks[i].version->type == block_type) |
1866 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1867 | } |
1868 | return true; | |
1869 | ||
1870 | } | |
1871 | ||
e3ecdffa AD |
1872 | /** |
1873 | * amdgpu_device_ip_get_ip_block - get a hw IP pointer | |
1874 | * | |
1875 | * @adev: amdgpu_device pointer | |
87e3f136 | 1876 | * @type: Type of hardware IP (SMU, GFX, UVD, etc.) |
e3ecdffa AD |
1877 | * |
1878 | * Returns a pointer to the hardware IP block structure | |
1879 | * if it exists for the asic, otherwise NULL. | |
1880 | */ | |
2990a1fc AD |
1881 | struct amdgpu_ip_block * |
1882 | amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, | |
1883 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1884 | { |
1885 | int i; | |
1886 | ||
1887 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1888 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1889 | return &adev->ip_blocks[i]; |
1890 | ||
1891 | return NULL; | |
1892 | } | |
1893 | ||
1894 | /** | |
2990a1fc | 1895 | * amdgpu_device_ip_block_version_cmp |
d38ceaf9 AD |
1896 | * |
1897 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1898 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1899 | * @major: major version |
1900 | * @minor: minor version | |
1901 | * | |
1902 | * return 0 if equal or greater | |
1903 | * return 1 if smaller or the ip_block doesn't exist | |
1904 | */ | |
2990a1fc AD |
1905 | int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, |
1906 | enum amd_ip_block_type type, | |
1907 | u32 major, u32 minor) | |
d38ceaf9 | 1908 | { |
2990a1fc | 1909 | struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); |
d38ceaf9 | 1910 | |
a1255107 AD |
1911 | if (ip_block && ((ip_block->version->major > major) || |
1912 | ((ip_block->version->major == major) && | |
1913 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1914 | return 0; |
1915 | ||
1916 | return 1; | |
1917 | } | |
1918 | ||
a1255107 | 1919 | /** |
2990a1fc | 1920 | * amdgpu_device_ip_block_add |
a1255107 AD |
1921 | * |
1922 | * @adev: amdgpu_device pointer | |
1923 | * @ip_block_version: pointer to the IP to add | |
1924 | * | |
1925 | * Adds the IP block driver information to the collection of IPs | |
1926 | * on the asic. | |
1927 | */ | |
2990a1fc AD |
1928 | int amdgpu_device_ip_block_add(struct amdgpu_device *adev, |
1929 | const struct amdgpu_ip_block_version *ip_block_version) | |
a1255107 AD |
1930 | { |
1931 | if (!ip_block_version) | |
1932 | return -EINVAL; | |
1933 | ||
7bd939d0 LG |
1934 | switch (ip_block_version->type) { |
1935 | case AMD_IP_BLOCK_TYPE_VCN: | |
1936 | if (adev->harvest_ip_mask & AMD_HARVEST_IP_VCN_MASK) | |
1937 | return 0; | |
1938 | break; | |
1939 | case AMD_IP_BLOCK_TYPE_JPEG: | |
1940 | if (adev->harvest_ip_mask & AMD_HARVEST_IP_JPEG_MASK) | |
1941 | return 0; | |
1942 | break; | |
1943 | default: | |
1944 | break; | |
1945 | } | |
1946 | ||
e966a725 | 1947 | DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, |
a0bae357 HR |
1948 | ip_block_version->funcs->name); |
1949 | ||
a1255107 AD |
1950 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1951 | ||
1952 | return 0; | |
1953 | } | |
1954 | ||
e3ecdffa AD |
1955 | /** |
1956 | * amdgpu_device_enable_virtual_display - enable virtual display feature | |
1957 | * | |
1958 | * @adev: amdgpu_device pointer | |
1959 | * | |
1960 | * Enabled the virtual display feature if the user has enabled it via | |
1961 | * the module parameter virtual_display. This feature provides a virtual | |
1962 | * display hardware on headless boards or in virtualized environments. | |
1963 | * This function parses and validates the configuration string specified by | |
1964 | * the user and configues the virtual display configuration (number of | |
1965 | * virtual connectors, crtcs, etc.) specified. | |
1966 | */ | |
483ef985 | 1967 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1968 | { |
1969 | adev->enable_virtual_display = false; | |
1970 | ||
1971 | if (amdgpu_virtual_display) { | |
8f66090b | 1972 | const char *pci_address_name = pci_name(adev->pdev); |
0f66356d | 1973 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1974 | |
1975 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1976 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1977 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1978 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1979 | if (!strcmp("all", pciaddname) |
1980 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1981 | long num_crtc; |
1982 | int res = -1; | |
1983 | ||
9accf2fd | 1984 | adev->enable_virtual_display = true; |
0f66356d ED |
1985 | |
1986 | if (pciaddname_tmp) | |
1987 | res = kstrtol(pciaddname_tmp, 10, | |
1988 | &num_crtc); | |
1989 | ||
1990 | if (!res) { | |
1991 | if (num_crtc < 1) | |
1992 | num_crtc = 1; | |
1993 | if (num_crtc > 6) | |
1994 | num_crtc = 6; | |
1995 | adev->mode_info.num_crtc = num_crtc; | |
1996 | } else { | |
1997 | adev->mode_info.num_crtc = 1; | |
1998 | } | |
9accf2fd ED |
1999 | break; |
2000 | } | |
2001 | } | |
2002 | ||
0f66356d ED |
2003 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
2004 | amdgpu_virtual_display, pci_address_name, | |
2005 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
2006 | |
2007 | kfree(pciaddstr); | |
2008 | } | |
2009 | } | |
2010 | ||
25263da3 AD |
2011 | void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev) |
2012 | { | |
2013 | if (amdgpu_sriov_vf(adev) && !adev->enable_virtual_display) { | |
2014 | adev->mode_info.num_crtc = 1; | |
2015 | adev->enable_virtual_display = true; | |
2016 | DRM_INFO("virtual_display:%d, num_crtc:%d\n", | |
2017 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
2018 | } | |
2019 | } | |
2020 | ||
e3ecdffa AD |
2021 | /** |
2022 | * amdgpu_device_parse_gpu_info_fw - parse gpu info firmware | |
2023 | * | |
2024 | * @adev: amdgpu_device pointer | |
2025 | * | |
2026 | * Parses the asic configuration parameters specified in the gpu info | |
2027 | * firmware and makes them availale to the driver for use in configuring | |
2028 | * the asic. | |
2029 | * Returns 0 on success, -EINVAL on failure. | |
2030 | */ | |
e2a75f88 AD |
2031 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
2032 | { | |
e2a75f88 | 2033 | const char *chip_name; |
c0a43457 | 2034 | char fw_name[40]; |
e2a75f88 AD |
2035 | int err; |
2036 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
2037 | ||
ab4fe3e1 HR |
2038 | adev->firmware.gpu_info_fw = NULL; |
2039 | ||
72de33f8 | 2040 | if (adev->mman.discovery_bin) { |
cc375d8c TY |
2041 | /* |
2042 | * FIXME: The bounding box is still needed by Navi12, so | |
e24d0e91 | 2043 | * temporarily read it from gpu_info firmware. Should be dropped |
cc375d8c TY |
2044 | * when DAL no longer needs it. |
2045 | */ | |
2046 | if (adev->asic_type != CHIP_NAVI12) | |
2047 | return 0; | |
258620d0 AD |
2048 | } |
2049 | ||
e2a75f88 | 2050 | switch (adev->asic_type) { |
e2a75f88 AD |
2051 | default: |
2052 | return 0; | |
2053 | case CHIP_VEGA10: | |
2054 | chip_name = "vega10"; | |
2055 | break; | |
3f76dced AD |
2056 | case CHIP_VEGA12: |
2057 | chip_name = "vega12"; | |
2058 | break; | |
2d2e5e7e | 2059 | case CHIP_RAVEN: |
54f78a76 | 2060 | if (adev->apu_flags & AMD_APU_IS_RAVEN2) |
54c4d17e | 2061 | chip_name = "raven2"; |
54f78a76 | 2062 | else if (adev->apu_flags & AMD_APU_IS_PICASSO) |
741deade | 2063 | chip_name = "picasso"; |
54c4d17e FX |
2064 | else |
2065 | chip_name = "raven"; | |
2d2e5e7e | 2066 | break; |
65e60f6e LM |
2067 | case CHIP_ARCTURUS: |
2068 | chip_name = "arcturus"; | |
2069 | break; | |
42b325e5 XY |
2070 | case CHIP_NAVI12: |
2071 | chip_name = "navi12"; | |
2072 | break; | |
e2a75f88 AD |
2073 | } |
2074 | ||
2075 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
b31d3063 | 2076 | err = amdgpu_ucode_request(adev, &adev->firmware.gpu_info_fw, fw_name); |
e2a75f88 AD |
2077 | if (err) { |
2078 | dev_err(adev->dev, | |
b31d3063 | 2079 | "Failed to get gpu_info firmware \"%s\"\n", |
e2a75f88 AD |
2080 | fw_name); |
2081 | goto out; | |
2082 | } | |
2083 | ||
ab4fe3e1 | 2084 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
2085 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
2086 | ||
2087 | switch (hdr->version_major) { | |
2088 | case 1: | |
2089 | { | |
2090 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 2091 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
2092 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
2093 | ||
cc375d8c TY |
2094 | /* |
2095 | * Should be droped when DAL no longer needs it. | |
2096 | */ | |
2097 | if (adev->asic_type == CHIP_NAVI12) | |
ec51d3fa XY |
2098 | goto parse_soc_bounding_box; |
2099 | ||
b5ab16bf AD |
2100 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
2101 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
2102 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
2103 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 2104 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
2105 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
2106 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
2107 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
2108 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
2109 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 2110 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
2111 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
2112 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
2113 | adev->gfx.cu_info.max_waves_per_simd = |
2114 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
2115 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
2116 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
2117 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
48321c3d | 2118 | if (hdr->version_minor >= 1) { |
35c2e910 HZ |
2119 | const struct gpu_info_firmware_v1_1 *gpu_info_fw = |
2120 | (const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data + | |
2121 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
2122 | adev->gfx.config.num_sc_per_sh = | |
2123 | le32_to_cpu(gpu_info_fw->num_sc_per_sh); | |
2124 | adev->gfx.config.num_packer_per_sc = | |
2125 | le32_to_cpu(gpu_info_fw->num_packer_per_sc); | |
2126 | } | |
ec51d3fa XY |
2127 | |
2128 | parse_soc_bounding_box: | |
ec51d3fa XY |
2129 | /* |
2130 | * soc bounding box info is not integrated in disocovery table, | |
258620d0 | 2131 | * we always need to parse it from gpu info firmware if needed. |
ec51d3fa | 2132 | */ |
48321c3d HW |
2133 | if (hdr->version_minor == 2) { |
2134 | const struct gpu_info_firmware_v1_2 *gpu_info_fw = | |
2135 | (const struct gpu_info_firmware_v1_2 *)(adev->firmware.gpu_info_fw->data + | |
2136 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
2137 | adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box; | |
2138 | } | |
e2a75f88 AD |
2139 | break; |
2140 | } | |
2141 | default: | |
2142 | dev_err(adev->dev, | |
2143 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
2144 | err = -EINVAL; | |
2145 | goto out; | |
2146 | } | |
2147 | out: | |
e2a75f88 AD |
2148 | return err; |
2149 | } | |
2150 | ||
e3ecdffa AD |
2151 | /** |
2152 | * amdgpu_device_ip_early_init - run early init for hardware IPs | |
2153 | * | |
2154 | * @adev: amdgpu_device pointer | |
2155 | * | |
2156 | * Early initialization pass for hardware IPs. The hardware IPs that make | |
2157 | * up each asic are discovered each IP's early_init callback is run. This | |
2158 | * is the first stage in initializing the asic. | |
2159 | * Returns 0 on success, negative error code on failure. | |
2160 | */ | |
06ec9070 | 2161 | static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) |
d38ceaf9 | 2162 | { |
901e2be2 AD |
2163 | struct drm_device *dev = adev_to_drm(adev); |
2164 | struct pci_dev *parent; | |
aaa36a97 | 2165 | int i, r; |
ced69502 | 2166 | bool total; |
d38ceaf9 | 2167 | |
483ef985 | 2168 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 2169 | |
00a979f3 | 2170 | if (amdgpu_sriov_vf(adev)) { |
00a979f3 | 2171 | r = amdgpu_virt_request_full_gpu(adev, true); |
aaa36a97 AD |
2172 | if (r) |
2173 | return r; | |
00a979f3 WS |
2174 | } |
2175 | ||
d38ceaf9 | 2176 | switch (adev->asic_type) { |
33f34802 KW |
2177 | #ifdef CONFIG_DRM_AMDGPU_SI |
2178 | case CHIP_VERDE: | |
2179 | case CHIP_TAHITI: | |
2180 | case CHIP_PITCAIRN: | |
2181 | case CHIP_OLAND: | |
2182 | case CHIP_HAINAN: | |
295d0daf | 2183 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
2184 | r = si_set_ip_blocks(adev); |
2185 | if (r) | |
2186 | return r; | |
2187 | break; | |
2188 | #endif | |
a2e73f56 AD |
2189 | #ifdef CONFIG_DRM_AMDGPU_CIK |
2190 | case CHIP_BONAIRE: | |
2191 | case CHIP_HAWAII: | |
2192 | case CHIP_KAVERI: | |
2193 | case CHIP_KABINI: | |
2194 | case CHIP_MULLINS: | |
e1ad2d53 | 2195 | if (adev->flags & AMD_IS_APU) |
a2e73f56 | 2196 | adev->family = AMDGPU_FAMILY_KV; |
e1ad2d53 AD |
2197 | else |
2198 | adev->family = AMDGPU_FAMILY_CI; | |
a2e73f56 AD |
2199 | |
2200 | r = cik_set_ip_blocks(adev); | |
2201 | if (r) | |
2202 | return r; | |
2203 | break; | |
2204 | #endif | |
da87c30b AD |
2205 | case CHIP_TOPAZ: |
2206 | case CHIP_TONGA: | |
2207 | case CHIP_FIJI: | |
2208 | case CHIP_POLARIS10: | |
2209 | case CHIP_POLARIS11: | |
2210 | case CHIP_POLARIS12: | |
2211 | case CHIP_VEGAM: | |
2212 | case CHIP_CARRIZO: | |
2213 | case CHIP_STONEY: | |
2214 | if (adev->flags & AMD_IS_APU) | |
2215 | adev->family = AMDGPU_FAMILY_CZ; | |
2216 | else | |
2217 | adev->family = AMDGPU_FAMILY_VI; | |
2218 | ||
2219 | r = vi_set_ip_blocks(adev); | |
2220 | if (r) | |
2221 | return r; | |
2222 | break; | |
d38ceaf9 | 2223 | default: |
63352b7f AD |
2224 | r = amdgpu_discovery_set_ip_blocks(adev); |
2225 | if (r) | |
2226 | return r; | |
2227 | break; | |
d38ceaf9 AD |
2228 | } |
2229 | ||
901e2be2 AD |
2230 | if (amdgpu_has_atpx() && |
2231 | (amdgpu_is_atpx_hybrid() || | |
2232 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
2233 | ((adev->flags & AMD_IS_APU) == 0) && | |
2234 | !pci_is_thunderbolt_attached(to_pci_dev(dev->dev))) | |
2235 | adev->flags |= AMD_IS_PX; | |
2236 | ||
85ac2021 AD |
2237 | if (!(adev->flags & AMD_IS_APU)) { |
2238 | parent = pci_upstream_bridge(adev->pdev); | |
2239 | adev->has_pr3 = parent ? pci_pr3_present(parent) : false; | |
2240 | } | |
901e2be2 | 2241 | |
1884734a | 2242 | |
3b94fb10 | 2243 | adev->pm.pp_feature = amdgpu_pp_feature_mask; |
a35ad98b | 2244 | if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) |
00544006 | 2245 | adev->pm.pp_feature &= ~PP_GFXOFF_MASK; |
4215a119 HC |
2246 | if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_SIENNA_CICHLID) |
2247 | adev->pm.pp_feature &= ~PP_OVERDRIVE_MASK; | |
00f54b97 | 2248 | |
ced69502 | 2249 | total = true; |
d38ceaf9 AD |
2250 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2251 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
0c451baf | 2252 | DRM_WARN("disabled ip block: %d <%s>\n", |
ed8cf00c | 2253 | i, adev->ip_blocks[i].version->funcs->name); |
a1255107 | 2254 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 2255 | } else { |
a1255107 AD |
2256 | if (adev->ip_blocks[i].version->funcs->early_init) { |
2257 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 2258 | if (r == -ENOENT) { |
a1255107 | 2259 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 2260 | } else if (r) { |
a1255107 AD |
2261 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
2262 | adev->ip_blocks[i].version->funcs->name, r); | |
ced69502 | 2263 | total = false; |
2c1a2784 | 2264 | } else { |
a1255107 | 2265 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 2266 | } |
974e6b64 | 2267 | } else { |
a1255107 | 2268 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 2269 | } |
d38ceaf9 | 2270 | } |
21a249ca AD |
2271 | /* get the vbios after the asic_funcs are set up */ |
2272 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { | |
6e29c227 AD |
2273 | r = amdgpu_device_parse_gpu_info_fw(adev); |
2274 | if (r) | |
2275 | return r; | |
2276 | ||
21a249ca | 2277 | /* Read BIOS */ |
9535a86a SZ |
2278 | if (amdgpu_device_read_bios(adev)) { |
2279 | if (!amdgpu_get_bios(adev)) | |
2280 | return -EINVAL; | |
21a249ca | 2281 | |
9535a86a SZ |
2282 | r = amdgpu_atombios_init(adev); |
2283 | if (r) { | |
2284 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
2285 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
2286 | return r; | |
2287 | } | |
21a249ca | 2288 | } |
77eabc6f PJZ |
2289 | |
2290 | /*get pf2vf msg info at it's earliest time*/ | |
2291 | if (amdgpu_sriov_vf(adev)) | |
2292 | amdgpu_virt_init_data_exchange(adev); | |
2293 | ||
21a249ca | 2294 | } |
d38ceaf9 | 2295 | } |
ced69502 ML |
2296 | if (!total) |
2297 | return -ENODEV; | |
d38ceaf9 | 2298 | |
00fa4035 | 2299 | amdgpu_amdkfd_device_probe(adev); |
395d1fb9 NH |
2300 | adev->cg_flags &= amdgpu_cg_mask; |
2301 | adev->pg_flags &= amdgpu_pg_mask; | |
2302 | ||
d38ceaf9 AD |
2303 | return 0; |
2304 | } | |
2305 | ||
0a4f2520 RZ |
2306 | static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) |
2307 | { | |
2308 | int i, r; | |
2309 | ||
2310 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2311 | if (!adev->ip_blocks[i].status.sw) | |
2312 | continue; | |
2313 | if (adev->ip_blocks[i].status.hw) | |
2314 | continue; | |
2315 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2d11fd3f | 2316 | (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || |
0a4f2520 RZ |
2317 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { |
2318 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2319 | if (r) { | |
2320 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2321 | adev->ip_blocks[i].version->funcs->name, r); | |
2322 | return r; | |
2323 | } | |
2324 | adev->ip_blocks[i].status.hw = true; | |
2325 | } | |
2326 | } | |
2327 | ||
2328 | return 0; | |
2329 | } | |
2330 | ||
2331 | static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) | |
2332 | { | |
2333 | int i, r; | |
2334 | ||
2335 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2336 | if (!adev->ip_blocks[i].status.sw) | |
2337 | continue; | |
2338 | if (adev->ip_blocks[i].status.hw) | |
2339 | continue; | |
2340 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2341 | if (r) { | |
2342 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2343 | adev->ip_blocks[i].version->funcs->name, r); | |
2344 | return r; | |
2345 | } | |
2346 | adev->ip_blocks[i].status.hw = true; | |
2347 | } | |
2348 | ||
2349 | return 0; | |
2350 | } | |
2351 | ||
7a3e0bb2 RZ |
2352 | static int amdgpu_device_fw_loading(struct amdgpu_device *adev) |
2353 | { | |
2354 | int r = 0; | |
2355 | int i; | |
80f41f84 | 2356 | uint32_t smu_version; |
7a3e0bb2 RZ |
2357 | |
2358 | if (adev->asic_type >= CHIP_VEGA10) { | |
2359 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 ML |
2360 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) |
2361 | continue; | |
2362 | ||
e3c1b071 | 2363 | if (!adev->ip_blocks[i].status.sw) |
2364 | continue; | |
2365 | ||
482f0e53 ML |
2366 | /* no need to do the fw loading again if already done*/ |
2367 | if (adev->ip_blocks[i].status.hw == true) | |
2368 | break; | |
2369 | ||
53b3f8f4 | 2370 | if (amdgpu_in_reset(adev) || adev->in_suspend) { |
482f0e53 ML |
2371 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2372 | if (r) { | |
2373 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
7a3e0bb2 | 2374 | adev->ip_blocks[i].version->funcs->name, r); |
482f0e53 ML |
2375 | return r; |
2376 | } | |
2377 | } else { | |
2378 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2379 | if (r) { | |
2380 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2381 | adev->ip_blocks[i].version->funcs->name, r); | |
2382 | return r; | |
7a3e0bb2 | 2383 | } |
7a3e0bb2 | 2384 | } |
482f0e53 ML |
2385 | |
2386 | adev->ip_blocks[i].status.hw = true; | |
2387 | break; | |
7a3e0bb2 RZ |
2388 | } |
2389 | } | |
482f0e53 | 2390 | |
8973d9ec ED |
2391 | if (!amdgpu_sriov_vf(adev) || adev->asic_type == CHIP_TONGA) |
2392 | r = amdgpu_pm_load_smu_firmware(adev, &smu_version); | |
7a3e0bb2 | 2393 | |
80f41f84 | 2394 | return r; |
7a3e0bb2 RZ |
2395 | } |
2396 | ||
5fd8518d AG |
2397 | static int amdgpu_device_init_schedulers(struct amdgpu_device *adev) |
2398 | { | |
2399 | long timeout; | |
2400 | int r, i; | |
2401 | ||
2402 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
2403 | struct amdgpu_ring *ring = adev->rings[i]; | |
2404 | ||
2405 | /* No need to setup the GPU scheduler for rings that don't need it */ | |
2406 | if (!ring || ring->no_scheduler) | |
2407 | continue; | |
2408 | ||
2409 | switch (ring->funcs->type) { | |
2410 | case AMDGPU_RING_TYPE_GFX: | |
2411 | timeout = adev->gfx_timeout; | |
2412 | break; | |
2413 | case AMDGPU_RING_TYPE_COMPUTE: | |
2414 | timeout = adev->compute_timeout; | |
2415 | break; | |
2416 | case AMDGPU_RING_TYPE_SDMA: | |
2417 | timeout = adev->sdma_timeout; | |
2418 | break; | |
2419 | default: | |
2420 | timeout = adev->video_timeout; | |
2421 | break; | |
2422 | } | |
2423 | ||
2424 | r = drm_sched_init(&ring->sched, &amdgpu_sched_ops, | |
11f25c84 | 2425 | ring->num_hw_submission, 0, |
8ab62eda JG |
2426 | timeout, adev->reset_domain->wq, |
2427 | ring->sched_score, ring->name, | |
2428 | adev->dev); | |
5fd8518d AG |
2429 | if (r) { |
2430 | DRM_ERROR("Failed to create scheduler on ring %s.\n", | |
2431 | ring->name); | |
2432 | return r; | |
2433 | } | |
2434 | } | |
2435 | ||
d425c6f4 JZ |
2436 | amdgpu_xcp_update_partition_sched_list(adev); |
2437 | ||
5fd8518d AG |
2438 | return 0; |
2439 | } | |
2440 | ||
2441 | ||
e3ecdffa AD |
2442 | /** |
2443 | * amdgpu_device_ip_init - run init for hardware IPs | |
2444 | * | |
2445 | * @adev: amdgpu_device pointer | |
2446 | * | |
2447 | * Main initialization pass for hardware IPs. The list of all the hardware | |
2448 | * IPs that make up the asic is walked and the sw_init and hw_init callbacks | |
2449 | * are run. sw_init initializes the software state associated with each IP | |
2450 | * and hw_init initializes the hardware associated with each IP. | |
2451 | * Returns 0 on success, negative error code on failure. | |
2452 | */ | |
06ec9070 | 2453 | static int amdgpu_device_ip_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
2454 | { |
2455 | int i, r; | |
2456 | ||
c030f2e4 | 2457 | r = amdgpu_ras_init(adev); |
2458 | if (r) | |
2459 | return r; | |
2460 | ||
d38ceaf9 | 2461 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 2462 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2463 | continue; |
a1255107 | 2464 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 2465 | if (r) { |
a1255107 AD |
2466 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
2467 | adev->ip_blocks[i].version->funcs->name, r); | |
72d3f592 | 2468 | goto init_failed; |
2c1a2784 | 2469 | } |
a1255107 | 2470 | adev->ip_blocks[i].status.sw = true; |
bfca0289 | 2471 | |
c1c39032 AD |
2472 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { |
2473 | /* need to do common hw init early so everything is set up for gmc */ | |
2474 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); | |
2475 | if (r) { | |
2476 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
2477 | goto init_failed; | |
2478 | } | |
2479 | adev->ip_blocks[i].status.hw = true; | |
2480 | } else if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
2481 | /* need to do gmc hw init early so we can allocate gpu mem */ | |
892deb48 VS |
2482 | /* Try to reserve bad pages early */ |
2483 | if (amdgpu_sriov_vf(adev)) | |
2484 | amdgpu_virt_exchange_data(adev); | |
2485 | ||
7ccfd79f | 2486 | r = amdgpu_device_mem_scratch_init(adev); |
2c1a2784 | 2487 | if (r) { |
7ccfd79f | 2488 | DRM_ERROR("amdgpu_mem_scratch_init failed %d\n", r); |
72d3f592 | 2489 | goto init_failed; |
2c1a2784 | 2490 | } |
a1255107 | 2491 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
2492 | if (r) { |
2493 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
72d3f592 | 2494 | goto init_failed; |
2c1a2784 | 2495 | } |
06ec9070 | 2496 | r = amdgpu_device_wb_init(adev); |
2c1a2784 | 2497 | if (r) { |
06ec9070 | 2498 | DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); |
72d3f592 | 2499 | goto init_failed; |
2c1a2784 | 2500 | } |
a1255107 | 2501 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
2502 | |
2503 | /* right after GMC hw init, we create CSA */ | |
02ff519e | 2504 | if (adev->gfx.mcbp) { |
1e256e27 | 2505 | r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, |
58ab2c08 CK |
2506 | AMDGPU_GEM_DOMAIN_VRAM | |
2507 | AMDGPU_GEM_DOMAIN_GTT, | |
2508 | AMDGPU_CSA_SIZE); | |
2493664f ML |
2509 | if (r) { |
2510 | DRM_ERROR("allocate CSA failed %d\n", r); | |
72d3f592 | 2511 | goto init_failed; |
2493664f ML |
2512 | } |
2513 | } | |
d38ceaf9 AD |
2514 | } |
2515 | } | |
2516 | ||
c9ffa427 | 2517 | if (amdgpu_sriov_vf(adev)) |
22c16d25 | 2518 | amdgpu_virt_init_data_exchange(adev); |
c9ffa427 | 2519 | |
533aed27 AG |
2520 | r = amdgpu_ib_pool_init(adev); |
2521 | if (r) { | |
2522 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
2523 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); | |
2524 | goto init_failed; | |
2525 | } | |
2526 | ||
c8963ea4 RZ |
2527 | r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/ |
2528 | if (r) | |
72d3f592 | 2529 | goto init_failed; |
0a4f2520 RZ |
2530 | |
2531 | r = amdgpu_device_ip_hw_init_phase1(adev); | |
2532 | if (r) | |
72d3f592 | 2533 | goto init_failed; |
0a4f2520 | 2534 | |
7a3e0bb2 RZ |
2535 | r = amdgpu_device_fw_loading(adev); |
2536 | if (r) | |
72d3f592 | 2537 | goto init_failed; |
7a3e0bb2 | 2538 | |
0a4f2520 RZ |
2539 | r = amdgpu_device_ip_hw_init_phase2(adev); |
2540 | if (r) | |
72d3f592 | 2541 | goto init_failed; |
d38ceaf9 | 2542 | |
121a2bc6 AG |
2543 | /* |
2544 | * retired pages will be loaded from eeprom and reserved here, | |
2545 | * it should be called after amdgpu_device_ip_hw_init_phase2 since | |
2546 | * for some ASICs the RAS EEPROM code relies on SMU fully functioning | |
2547 | * for I2C communication which only true at this point. | |
b82e65a9 GC |
2548 | * |
2549 | * amdgpu_ras_recovery_init may fail, but the upper only cares the | |
2550 | * failure from bad gpu situation and stop amdgpu init process | |
2551 | * accordingly. For other failed cases, it will still release all | |
2552 | * the resource and print error message, rather than returning one | |
2553 | * negative value to upper level. | |
121a2bc6 AG |
2554 | * |
2555 | * Note: theoretically, this should be called before all vram allocations | |
2556 | * to protect retired page from abusing | |
2557 | */ | |
b82e65a9 GC |
2558 | r = amdgpu_ras_recovery_init(adev); |
2559 | if (r) | |
2560 | goto init_failed; | |
121a2bc6 | 2561 | |
cfbb6b00 AG |
2562 | /** |
2563 | * In case of XGMI grab extra reference for reset domain for this device | |
2564 | */ | |
a4c63caf | 2565 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
cfbb6b00 | 2566 | if (amdgpu_xgmi_add_device(adev) == 0) { |
46c67660 | 2567 | if (!amdgpu_sriov_vf(adev)) { |
2efc30f0 VC |
2568 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); |
2569 | ||
dfd0287b LH |
2570 | if (WARN_ON(!hive)) { |
2571 | r = -ENOENT; | |
2572 | goto init_failed; | |
2573 | } | |
2574 | ||
46c67660 | 2575 | if (!hive->reset_domain || |
2576 | !amdgpu_reset_get_reset_domain(hive->reset_domain)) { | |
2577 | r = -ENOENT; | |
2578 | amdgpu_put_xgmi_hive(hive); | |
2579 | goto init_failed; | |
2580 | } | |
2581 | ||
2582 | /* Drop the early temporary reset domain we created for device */ | |
2583 | amdgpu_reset_put_reset_domain(adev->reset_domain); | |
2584 | adev->reset_domain = hive->reset_domain; | |
9dfa4860 | 2585 | amdgpu_put_xgmi_hive(hive); |
cfbb6b00 | 2586 | } |
a4c63caf AG |
2587 | } |
2588 | } | |
2589 | ||
5fd8518d AG |
2590 | r = amdgpu_device_init_schedulers(adev); |
2591 | if (r) | |
2592 | goto init_failed; | |
e3c1b071 | 2593 | |
2594 | /* Don't init kfd if whole hive need to be reset during init */ | |
84b4dd3f PY |
2595 | if (!adev->gmc.xgmi.pending_reset) { |
2596 | kgd2kfd_init_zone_device(adev); | |
e3c1b071 | 2597 | amdgpu_amdkfd_device_init(adev); |
84b4dd3f | 2598 | } |
c6332b97 | 2599 | |
bd607166 KR |
2600 | amdgpu_fru_get_product_info(adev); |
2601 | ||
72d3f592 | 2602 | init_failed: |
c6332b97 | 2603 | |
72d3f592 | 2604 | return r; |
d38ceaf9 AD |
2605 | } |
2606 | ||
e3ecdffa AD |
2607 | /** |
2608 | * amdgpu_device_fill_reset_magic - writes reset magic to gart pointer | |
2609 | * | |
2610 | * @adev: amdgpu_device pointer | |
2611 | * | |
2612 | * Writes a reset magic value to the gart pointer in VRAM. The driver calls | |
2613 | * this function before a GPU reset. If the value is retained after a | |
2614 | * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. | |
2615 | */ | |
06ec9070 | 2616 | static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) |
0c49e0b8 CZ |
2617 | { |
2618 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
2619 | } | |
2620 | ||
e3ecdffa AD |
2621 | /** |
2622 | * amdgpu_device_check_vram_lost - check if vram is valid | |
2623 | * | |
2624 | * @adev: amdgpu_device pointer | |
2625 | * | |
2626 | * Checks the reset magic value written to the gart pointer in VRAM. | |
2627 | * The driver calls this after a GPU reset to see if the contents of | |
2628 | * VRAM is lost or now. | |
2629 | * returns true if vram is lost, false if not. | |
2630 | */ | |
06ec9070 | 2631 | static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) |
0c49e0b8 | 2632 | { |
dadce777 EQ |
2633 | if (memcmp(adev->gart.ptr, adev->reset_magic, |
2634 | AMDGPU_RESET_MAGIC_NUM)) | |
2635 | return true; | |
2636 | ||
53b3f8f4 | 2637 | if (!amdgpu_in_reset(adev)) |
dadce777 EQ |
2638 | return false; |
2639 | ||
2640 | /* | |
2641 | * For all ASICs with baco/mode1 reset, the VRAM is | |
2642 | * always assumed to be lost. | |
2643 | */ | |
2644 | switch (amdgpu_asic_reset_method(adev)) { | |
2645 | case AMD_RESET_METHOD_BACO: | |
2646 | case AMD_RESET_METHOD_MODE1: | |
2647 | return true; | |
2648 | default: | |
2649 | return false; | |
2650 | } | |
0c49e0b8 CZ |
2651 | } |
2652 | ||
e3ecdffa | 2653 | /** |
1112a46b | 2654 | * amdgpu_device_set_cg_state - set clockgating for amdgpu device |
e3ecdffa AD |
2655 | * |
2656 | * @adev: amdgpu_device pointer | |
b8b72130 | 2657 | * @state: clockgating state (gate or ungate) |
e3ecdffa | 2658 | * |
e3ecdffa | 2659 | * The list of all the hardware IPs that make up the asic is walked and the |
1112a46b RZ |
2660 | * set_clockgating_state callbacks are run. |
2661 | * Late initialization pass enabling clockgating for hardware IPs. | |
2662 | * Fini or suspend, pass disabling clockgating for hardware IPs. | |
e3ecdffa AD |
2663 | * Returns 0 on success, negative error code on failure. |
2664 | */ | |
fdd34271 | 2665 | |
5d89bb2d LL |
2666 | int amdgpu_device_set_cg_state(struct amdgpu_device *adev, |
2667 | enum amd_clockgating_state state) | |
d38ceaf9 | 2668 | { |
1112a46b | 2669 | int i, j, r; |
d38ceaf9 | 2670 | |
4a2ba394 SL |
2671 | if (amdgpu_emu_mode == 1) |
2672 | return 0; | |
2673 | ||
1112a46b RZ |
2674 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2675 | i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2676 | if (!adev->ip_blocks[i].status.late_initialized) |
d38ceaf9 | 2677 | continue; |
47198eb7 | 2678 | /* skip CG for GFX, SDMA on S0ix */ |
5d70a549 | 2679 | if (adev->in_s0ix && |
47198eb7 AD |
2680 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX || |
2681 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) | |
5d70a549 | 2682 | continue; |
4a446d55 | 2683 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 | 2684 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
57716327 | 2685 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && |
34319b32 | 2686 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && |
52f2e779 | 2687 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
57716327 | 2688 | adev->ip_blocks[i].version->funcs->set_clockgating_state) { |
4a446d55 | 2689 | /* enable clockgating to save power */ |
a1255107 | 2690 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1112a46b | 2691 | state); |
4a446d55 AD |
2692 | if (r) { |
2693 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 2694 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
2695 | return r; |
2696 | } | |
b0b00ff1 | 2697 | } |
d38ceaf9 | 2698 | } |
06b18f61 | 2699 | |
c9f96fd5 RZ |
2700 | return 0; |
2701 | } | |
2702 | ||
5d89bb2d LL |
2703 | int amdgpu_device_set_pg_state(struct amdgpu_device *adev, |
2704 | enum amd_powergating_state state) | |
c9f96fd5 | 2705 | { |
1112a46b | 2706 | int i, j, r; |
06b18f61 | 2707 | |
c9f96fd5 RZ |
2708 | if (amdgpu_emu_mode == 1) |
2709 | return 0; | |
2710 | ||
1112a46b RZ |
2711 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2712 | i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2713 | if (!adev->ip_blocks[i].status.late_initialized) |
c9f96fd5 | 2714 | continue; |
47198eb7 | 2715 | /* skip PG for GFX, SDMA on S0ix */ |
5d70a549 | 2716 | if (adev->in_s0ix && |
47198eb7 AD |
2717 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX || |
2718 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) | |
5d70a549 | 2719 | continue; |
c9f96fd5 RZ |
2720 | /* skip CG for VCE/UVD, it's handled specially */ |
2721 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
2722 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && | |
2723 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && | |
52f2e779 | 2724 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
c9f96fd5 RZ |
2725 | adev->ip_blocks[i].version->funcs->set_powergating_state) { |
2726 | /* enable powergating to save power */ | |
2727 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1112a46b | 2728 | state); |
c9f96fd5 RZ |
2729 | if (r) { |
2730 | DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", | |
2731 | adev->ip_blocks[i].version->funcs->name, r); | |
2732 | return r; | |
2733 | } | |
2734 | } | |
2735 | } | |
2dc80b00 S |
2736 | return 0; |
2737 | } | |
2738 | ||
beff74bc AD |
2739 | static int amdgpu_device_enable_mgpu_fan_boost(void) |
2740 | { | |
2741 | struct amdgpu_gpu_instance *gpu_ins; | |
2742 | struct amdgpu_device *adev; | |
2743 | int i, ret = 0; | |
2744 | ||
2745 | mutex_lock(&mgpu_info.mutex); | |
2746 | ||
2747 | /* | |
2748 | * MGPU fan boost feature should be enabled | |
2749 | * only when there are two or more dGPUs in | |
2750 | * the system | |
2751 | */ | |
2752 | if (mgpu_info.num_dgpu < 2) | |
2753 | goto out; | |
2754 | ||
2755 | for (i = 0; i < mgpu_info.num_dgpu; i++) { | |
2756 | gpu_ins = &(mgpu_info.gpu_ins[i]); | |
2757 | adev = gpu_ins->adev; | |
2758 | if (!(adev->flags & AMD_IS_APU) && | |
f10bb940 | 2759 | !gpu_ins->mgpu_fan_enabled) { |
beff74bc AD |
2760 | ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); |
2761 | if (ret) | |
2762 | break; | |
2763 | ||
2764 | gpu_ins->mgpu_fan_enabled = 1; | |
2765 | } | |
2766 | } | |
2767 | ||
2768 | out: | |
2769 | mutex_unlock(&mgpu_info.mutex); | |
2770 | ||
2771 | return ret; | |
2772 | } | |
2773 | ||
e3ecdffa AD |
2774 | /** |
2775 | * amdgpu_device_ip_late_init - run late init for hardware IPs | |
2776 | * | |
2777 | * @adev: amdgpu_device pointer | |
2778 | * | |
2779 | * Late initialization pass for hardware IPs. The list of all the hardware | |
2780 | * IPs that make up the asic is walked and the late_init callbacks are run. | |
2781 | * late_init covers any special initialization that an IP requires | |
2782 | * after all of the have been initialized or something that needs to happen | |
2783 | * late in the init process. | |
2784 | * Returns 0 on success, negative error code on failure. | |
2785 | */ | |
06ec9070 | 2786 | static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) |
2dc80b00 | 2787 | { |
60599a03 | 2788 | struct amdgpu_gpu_instance *gpu_instance; |
2dc80b00 S |
2789 | int i = 0, r; |
2790 | ||
2791 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
73f847db | 2792 | if (!adev->ip_blocks[i].status.hw) |
2dc80b00 S |
2793 | continue; |
2794 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
2795 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
2796 | if (r) { | |
2797 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
2798 | adev->ip_blocks[i].version->funcs->name, r); | |
2799 | return r; | |
2800 | } | |
2dc80b00 | 2801 | } |
73f847db | 2802 | adev->ip_blocks[i].status.late_initialized = true; |
2dc80b00 S |
2803 | } |
2804 | ||
867e24ca | 2805 | r = amdgpu_ras_late_init(adev); |
2806 | if (r) { | |
2807 | DRM_ERROR("amdgpu_ras_late_init failed %d", r); | |
2808 | return r; | |
2809 | } | |
2810 | ||
a891d239 DL |
2811 | amdgpu_ras_set_error_query_ready(adev, true); |
2812 | ||
1112a46b RZ |
2813 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); |
2814 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); | |
916ac57f | 2815 | |
06ec9070 | 2816 | amdgpu_device_fill_reset_magic(adev); |
d38ceaf9 | 2817 | |
beff74bc AD |
2818 | r = amdgpu_device_enable_mgpu_fan_boost(); |
2819 | if (r) | |
2820 | DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); | |
2821 | ||
4da8b639 | 2822 | /* For passthrough configuration on arcturus and aldebaran, enable special handling SBR */ |
47fc644f SS |
2823 | if (amdgpu_passthrough(adev) && |
2824 | ((adev->asic_type == CHIP_ARCTURUS && adev->gmc.xgmi.num_physical_nodes > 1) || | |
2825 | adev->asic_type == CHIP_ALDEBARAN)) | |
bc143d8b | 2826 | amdgpu_dpm_handle_passthrough_sbr(adev, true); |
60599a03 EQ |
2827 | |
2828 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
2829 | mutex_lock(&mgpu_info.mutex); | |
2830 | ||
2831 | /* | |
2832 | * Reset device p-state to low as this was booted with high. | |
2833 | * | |
2834 | * This should be performed only after all devices from the same | |
2835 | * hive get initialized. | |
2836 | * | |
2837 | * However, it's unknown how many device in the hive in advance. | |
2838 | * As this is counted one by one during devices initializations. | |
2839 | * | |
2840 | * So, we wait for all XGMI interlinked devices initialized. | |
2841 | * This may bring some delays as those devices may come from | |
2842 | * different hives. But that should be OK. | |
2843 | */ | |
2844 | if (mgpu_info.num_dgpu == adev->gmc.xgmi.num_physical_nodes) { | |
2845 | for (i = 0; i < mgpu_info.num_gpu; i++) { | |
2846 | gpu_instance = &(mgpu_info.gpu_ins[i]); | |
2847 | if (gpu_instance->adev->flags & AMD_IS_APU) | |
2848 | continue; | |
2849 | ||
d84a430d JK |
2850 | r = amdgpu_xgmi_set_pstate(gpu_instance->adev, |
2851 | AMDGPU_XGMI_PSTATE_MIN); | |
60599a03 EQ |
2852 | if (r) { |
2853 | DRM_ERROR("pstate setting failed (%d).\n", r); | |
2854 | break; | |
2855 | } | |
2856 | } | |
2857 | } | |
2858 | ||
2859 | mutex_unlock(&mgpu_info.mutex); | |
2860 | } | |
2861 | ||
d38ceaf9 AD |
2862 | return 0; |
2863 | } | |
2864 | ||
613aa3ea LY |
2865 | /** |
2866 | * amdgpu_device_smu_fini_early - smu hw_fini wrapper | |
2867 | * | |
2868 | * @adev: amdgpu_device pointer | |
2869 | * | |
2870 | * For ASICs need to disable SMC first | |
2871 | */ | |
2872 | static void amdgpu_device_smu_fini_early(struct amdgpu_device *adev) | |
2873 | { | |
2874 | int i, r; | |
2875 | ||
4e8303cf | 2876 | if (amdgpu_ip_version(adev, GC_HWIP, 0) > IP_VERSION(9, 0, 0)) |
613aa3ea LY |
2877 | return; |
2878 | ||
2879 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2880 | if (!adev->ip_blocks[i].status.hw) | |
2881 | continue; | |
2882 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { | |
2883 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); | |
2884 | /* XXX handle errors */ | |
2885 | if (r) { | |
2886 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
2887 | adev->ip_blocks[i].version->funcs->name, r); | |
2888 | } | |
2889 | adev->ip_blocks[i].status.hw = false; | |
2890 | break; | |
2891 | } | |
2892 | } | |
2893 | } | |
2894 | ||
e9669fb7 | 2895 | static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev) |
d38ceaf9 AD |
2896 | { |
2897 | int i, r; | |
2898 | ||
e9669fb7 AG |
2899 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2900 | if (!adev->ip_blocks[i].version->funcs->early_fini) | |
2901 | continue; | |
5278a159 | 2902 | |
e9669fb7 AG |
2903 | r = adev->ip_blocks[i].version->funcs->early_fini((void *)adev); |
2904 | if (r) { | |
2905 | DRM_DEBUG("early_fini of IP block <%s> failed %d\n", | |
2906 | adev->ip_blocks[i].version->funcs->name, r); | |
2907 | } | |
2908 | } | |
c030f2e4 | 2909 | |
05df1f01 | 2910 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
fdd34271 RZ |
2911 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
2912 | ||
7270e895 TY |
2913 | amdgpu_amdkfd_suspend(adev, false); |
2914 | ||
613aa3ea LY |
2915 | /* Workaroud for ASICs need to disable SMC first */ |
2916 | amdgpu_device_smu_fini_early(adev); | |
3e96dbfd | 2917 | |
d38ceaf9 | 2918 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2919 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2920 | continue; |
8201a67a | 2921 | |
a1255107 | 2922 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 2923 | /* XXX handle errors */ |
2c1a2784 | 2924 | if (r) { |
a1255107 AD |
2925 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
2926 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2927 | } |
8201a67a | 2928 | |
a1255107 | 2929 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2930 | } |
2931 | ||
6effad8a GC |
2932 | if (amdgpu_sriov_vf(adev)) { |
2933 | if (amdgpu_virt_release_full_gpu(adev, false)) | |
2934 | DRM_ERROR("failed to release exclusive mode on fini\n"); | |
2935 | } | |
2936 | ||
e9669fb7 AG |
2937 | return 0; |
2938 | } | |
2939 | ||
2940 | /** | |
2941 | * amdgpu_device_ip_fini - run fini for hardware IPs | |
2942 | * | |
2943 | * @adev: amdgpu_device pointer | |
2944 | * | |
2945 | * Main teardown pass for hardware IPs. The list of all the hardware | |
2946 | * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks | |
2947 | * are run. hw_fini tears down the hardware associated with each IP | |
2948 | * and sw_fini tears down any software state associated with each IP. | |
2949 | * Returns 0 on success, negative error code on failure. | |
2950 | */ | |
2951 | static int amdgpu_device_ip_fini(struct amdgpu_device *adev) | |
2952 | { | |
2953 | int i, r; | |
2954 | ||
2955 | if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) | |
2956 | amdgpu_virt_release_ras_err_handler_data(adev); | |
2957 | ||
e9669fb7 AG |
2958 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2959 | amdgpu_xgmi_remove_device(adev); | |
2960 | ||
c004d44e | 2961 | amdgpu_amdkfd_device_fini_sw(adev); |
9950cda2 | 2962 | |
d38ceaf9 | 2963 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2964 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 2965 | continue; |
c12aba3a ML |
2966 | |
2967 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
c8963ea4 | 2968 | amdgpu_ucode_free_bo(adev); |
1e256e27 | 2969 | amdgpu_free_static_csa(&adev->virt.csa_obj); |
c12aba3a | 2970 | amdgpu_device_wb_fini(adev); |
7ccfd79f | 2971 | amdgpu_device_mem_scratch_fini(adev); |
533aed27 | 2972 | amdgpu_ib_pool_fini(adev); |
c12aba3a ML |
2973 | } |
2974 | ||
a1255107 | 2975 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 2976 | /* XXX handle errors */ |
2c1a2784 | 2977 | if (r) { |
a1255107 AD |
2978 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
2979 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2980 | } |
a1255107 AD |
2981 | adev->ip_blocks[i].status.sw = false; |
2982 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
2983 | } |
2984 | ||
a6dcfd9c | 2985 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2986 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 2987 | continue; |
a1255107 AD |
2988 | if (adev->ip_blocks[i].version->funcs->late_fini) |
2989 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
2990 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
2991 | } |
2992 | ||
c030f2e4 | 2993 | amdgpu_ras_fini(adev); |
2994 | ||
d38ceaf9 AD |
2995 | return 0; |
2996 | } | |
2997 | ||
e3ecdffa | 2998 | /** |
beff74bc | 2999 | * amdgpu_device_delayed_init_work_handler - work handler for IB tests |
e3ecdffa | 3000 | * |
1112a46b | 3001 | * @work: work_struct. |
e3ecdffa | 3002 | */ |
beff74bc | 3003 | static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) |
2dc80b00 S |
3004 | { |
3005 | struct amdgpu_device *adev = | |
beff74bc | 3006 | container_of(work, struct amdgpu_device, delayed_init_work.work); |
916ac57f RZ |
3007 | int r; |
3008 | ||
3009 | r = amdgpu_ib_ring_tests(adev); | |
3010 | if (r) | |
3011 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2dc80b00 S |
3012 | } |
3013 | ||
1e317b99 RZ |
3014 | static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |
3015 | { | |
3016 | struct amdgpu_device *adev = | |
3017 | container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); | |
3018 | ||
90a92662 MD |
3019 | WARN_ON_ONCE(adev->gfx.gfx_off_state); |
3020 | WARN_ON_ONCE(adev->gfx.gfx_off_req_count); | |
3021 | ||
3022 | if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) | |
3023 | adev->gfx.gfx_off_state = true; | |
1e317b99 RZ |
3024 | } |
3025 | ||
e3ecdffa | 3026 | /** |
e7854a03 | 3027 | * amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1) |
e3ecdffa AD |
3028 | * |
3029 | * @adev: amdgpu_device pointer | |
3030 | * | |
3031 | * Main suspend function for hardware IPs. The list of all the hardware | |
3032 | * IPs that make up the asic is walked, clockgating is disabled and the | |
3033 | * suspend callbacks are run. suspend puts the hardware and software state | |
3034 | * in each IP into a state suitable for suspend. | |
3035 | * Returns 0 on success, negative error code on failure. | |
3036 | */ | |
e7854a03 AD |
3037 | static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) |
3038 | { | |
3039 | int i, r; | |
3040 | ||
50ec83f0 AD |
3041 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
3042 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); | |
05df1f01 | 3043 | |
b31d6ada EQ |
3044 | /* |
3045 | * Per PMFW team's suggestion, driver needs to handle gfxoff | |
3046 | * and df cstate features disablement for gpu reset(e.g. Mode1Reset) | |
3047 | * scenario. Add the missing df cstate disablement here. | |
3048 | */ | |
3049 | if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW)) | |
3050 | dev_warn(adev->dev, "Failed to disallow df cstate"); | |
3051 | ||
e7854a03 AD |
3052 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
3053 | if (!adev->ip_blocks[i].status.valid) | |
3054 | continue; | |
2b9f7848 | 3055 | |
e7854a03 | 3056 | /* displays are handled separately */ |
2b9f7848 ND |
3057 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE) |
3058 | continue; | |
3059 | ||
3060 | /* XXX handle errors */ | |
3061 | r = adev->ip_blocks[i].version->funcs->suspend(adev); | |
3062 | /* XXX handle errors */ | |
3063 | if (r) { | |
3064 | DRM_ERROR("suspend of IP block <%s> failed %d\n", | |
3065 | adev->ip_blocks[i].version->funcs->name, r); | |
3066 | return r; | |
e7854a03 | 3067 | } |
2b9f7848 ND |
3068 | |
3069 | adev->ip_blocks[i].status.hw = false; | |
e7854a03 AD |
3070 | } |
3071 | ||
e7854a03 AD |
3072 | return 0; |
3073 | } | |
3074 | ||
3075 | /** | |
3076 | * amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2) | |
3077 | * | |
3078 | * @adev: amdgpu_device pointer | |
3079 | * | |
3080 | * Main suspend function for hardware IPs. The list of all the hardware | |
3081 | * IPs that make up the asic is walked, clockgating is disabled and the | |
3082 | * suspend callbacks are run. suspend puts the hardware and software state | |
3083 | * in each IP into a state suitable for suspend. | |
3084 | * Returns 0 on success, negative error code on failure. | |
3085 | */ | |
3086 | static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) | |
d38ceaf9 AD |
3087 | { |
3088 | int i, r; | |
3089 | ||
557f42a2 | 3090 | if (adev->in_s0ix) |
bc143d8b | 3091 | amdgpu_dpm_gfx_state_change(adev, sGpuChangeState_D3Entry); |
34416931 | 3092 | |
d38ceaf9 | 3093 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 3094 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 3095 | continue; |
e7854a03 AD |
3096 | /* displays are handled in phase1 */ |
3097 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) | |
3098 | continue; | |
bff77e86 LM |
3099 | /* PSP lost connection when err_event_athub occurs */ |
3100 | if (amdgpu_ras_intr_triggered() && | |
3101 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
3102 | adev->ip_blocks[i].status.hw = false; | |
3103 | continue; | |
3104 | } | |
e3c1b071 | 3105 | |
3106 | /* skip unnecessary suspend if we do not initialize them yet */ | |
3107 | if (adev->gmc.xgmi.pending_reset && | |
3108 | !(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
3109 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC || | |
3110 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
3111 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH)) { | |
3112 | adev->ip_blocks[i].status.hw = false; | |
3113 | continue; | |
3114 | } | |
557f42a2 | 3115 | |
afa6646b | 3116 | /* skip suspend of gfx/mes and psp for S0ix |
32ff160d AD |
3117 | * gfx is in gfxoff state, so on resume it will exit gfxoff just |
3118 | * like at runtime. PSP is also part of the always on hardware | |
3119 | * so no need to suspend it. | |
3120 | */ | |
557f42a2 | 3121 | if (adev->in_s0ix && |
32ff160d | 3122 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP || |
afa6646b AD |
3123 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX || |
3124 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_MES)) | |
557f42a2 AD |
3125 | continue; |
3126 | ||
2a7798ea AD |
3127 | /* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */ |
3128 | if (adev->in_s0ix && | |
4e8303cf LL |
3129 | (amdgpu_ip_version(adev, SDMA0_HWIP, 0) >= |
3130 | IP_VERSION(5, 0, 0)) && | |
3131 | (adev->ip_blocks[i].version->type == | |
3132 | AMD_IP_BLOCK_TYPE_SDMA)) | |
2a7798ea AD |
3133 | continue; |
3134 | ||
e11c7750 TH |
3135 | /* Once swPSP provides the IMU, RLC FW binaries to TOS during cold-boot. |
3136 | * These are in TMR, hence are expected to be reused by PSP-TOS to reload | |
3137 | * from this location and RLC Autoload automatically also gets loaded | |
3138 | * from here based on PMFW -> PSP message during re-init sequence. | |
3139 | * Therefore, the psp suspend & resume should be skipped to avoid destroy | |
3140 | * the TMR and reload FWs again for IMU enabled APU ASICs. | |
3141 | */ | |
3142 | if (amdgpu_in_reset(adev) && | |
3143 | (adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs && | |
3144 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
3145 | continue; | |
3146 | ||
d38ceaf9 | 3147 | /* XXX handle errors */ |
a1255107 | 3148 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 3149 | /* XXX handle errors */ |
2c1a2784 | 3150 | if (r) { |
a1255107 AD |
3151 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
3152 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 3153 | } |
876923fb | 3154 | adev->ip_blocks[i].status.hw = false; |
a3a09142 | 3155 | /* handle putting the SMC in the appropriate state */ |
47fc644f | 3156 | if (!amdgpu_sriov_vf(adev)) { |
86b93fd6 JZ |
3157 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
3158 | r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); | |
3159 | if (r) { | |
3160 | DRM_ERROR("SMC failed to set mp1 state %d, %d\n", | |
3161 | adev->mp1_state, r); | |
3162 | return r; | |
3163 | } | |
a3a09142 AD |
3164 | } |
3165 | } | |
d38ceaf9 AD |
3166 | } |
3167 | ||
3168 | return 0; | |
3169 | } | |
3170 | ||
e7854a03 AD |
3171 | /** |
3172 | * amdgpu_device_ip_suspend - run suspend for hardware IPs | |
3173 | * | |
3174 | * @adev: amdgpu_device pointer | |
3175 | * | |
3176 | * Main suspend function for hardware IPs. The list of all the hardware | |
3177 | * IPs that make up the asic is walked, clockgating is disabled and the | |
3178 | * suspend callbacks are run. suspend puts the hardware and software state | |
3179 | * in each IP into a state suitable for suspend. | |
3180 | * Returns 0 on success, negative error code on failure. | |
3181 | */ | |
3182 | int amdgpu_device_ip_suspend(struct amdgpu_device *adev) | |
3183 | { | |
3184 | int r; | |
3185 | ||
3c73683c JC |
3186 | if (amdgpu_sriov_vf(adev)) { |
3187 | amdgpu_virt_fini_data_exchange(adev); | |
e7819644 | 3188 | amdgpu_virt_request_full_gpu(adev, false); |
3c73683c | 3189 | } |
e7819644 | 3190 | |
e7854a03 AD |
3191 | r = amdgpu_device_ip_suspend_phase1(adev); |
3192 | if (r) | |
3193 | return r; | |
3194 | r = amdgpu_device_ip_suspend_phase2(adev); | |
3195 | ||
e7819644 YT |
3196 | if (amdgpu_sriov_vf(adev)) |
3197 | amdgpu_virt_release_full_gpu(adev, false); | |
3198 | ||
e7854a03 AD |
3199 | return r; |
3200 | } | |
3201 | ||
06ec9070 | 3202 | static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
3203 | { |
3204 | int i, r; | |
3205 | ||
2cb681b6 | 3206 | static enum amd_ip_block_type ip_order[] = { |
2cb681b6 | 3207 | AMD_IP_BLOCK_TYPE_COMMON, |
c1c39032 | 3208 | AMD_IP_BLOCK_TYPE_GMC, |
39186aef | 3209 | AMD_IP_BLOCK_TYPE_PSP, |
2cb681b6 ML |
3210 | AMD_IP_BLOCK_TYPE_IH, |
3211 | }; | |
a90ad3c2 | 3212 | |
95ea3dbc | 3213 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2cb681b6 ML |
3214 | int j; |
3215 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 3216 | |
4cd2a96d J |
3217 | block = &adev->ip_blocks[i]; |
3218 | block->status.hw = false; | |
2cb681b6 | 3219 | |
4cd2a96d | 3220 | for (j = 0; j < ARRAY_SIZE(ip_order); j++) { |
2cb681b6 | 3221 | |
4cd2a96d | 3222 | if (block->version->type != ip_order[j] || |
2cb681b6 ML |
3223 | !block->status.valid) |
3224 | continue; | |
3225 | ||
3226 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 3227 | DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
3228 | if (r) |
3229 | return r; | |
482f0e53 | 3230 | block->status.hw = true; |
a90ad3c2 ML |
3231 | } |
3232 | } | |
3233 | ||
3234 | return 0; | |
3235 | } | |
3236 | ||
06ec9070 | 3237 | static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
3238 | { |
3239 | int i, r; | |
3240 | ||
2cb681b6 ML |
3241 | static enum amd_ip_block_type ip_order[] = { |
3242 | AMD_IP_BLOCK_TYPE_SMC, | |
3243 | AMD_IP_BLOCK_TYPE_DCE, | |
3244 | AMD_IP_BLOCK_TYPE_GFX, | |
3245 | AMD_IP_BLOCK_TYPE_SDMA, | |
ec64350d | 3246 | AMD_IP_BLOCK_TYPE_MES, |
257deb8c | 3247 | AMD_IP_BLOCK_TYPE_UVD, |
d83c7a07 | 3248 | AMD_IP_BLOCK_TYPE_VCE, |
d2cdc014 YZ |
3249 | AMD_IP_BLOCK_TYPE_VCN, |
3250 | AMD_IP_BLOCK_TYPE_JPEG | |
2cb681b6 | 3251 | }; |
a90ad3c2 | 3252 | |
2cb681b6 ML |
3253 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
3254 | int j; | |
3255 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 3256 | |
2cb681b6 ML |
3257 | for (j = 0; j < adev->num_ip_blocks; j++) { |
3258 | block = &adev->ip_blocks[j]; | |
3259 | ||
3260 | if (block->version->type != ip_order[i] || | |
482f0e53 ML |
3261 | !block->status.valid || |
3262 | block->status.hw) | |
2cb681b6 ML |
3263 | continue; |
3264 | ||
895bd048 JZ |
3265 | if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) |
3266 | r = block->version->funcs->resume(adev); | |
3267 | else | |
3268 | r = block->version->funcs->hw_init(adev); | |
3269 | ||
0aaeefcc | 3270 | DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
3271 | if (r) |
3272 | return r; | |
482f0e53 | 3273 | block->status.hw = true; |
a90ad3c2 ML |
3274 | } |
3275 | } | |
3276 | ||
3277 | return 0; | |
3278 | } | |
3279 | ||
e3ecdffa AD |
3280 | /** |
3281 | * amdgpu_device_ip_resume_phase1 - run resume for hardware IPs | |
3282 | * | |
3283 | * @adev: amdgpu_device pointer | |
3284 | * | |
3285 | * First resume function for hardware IPs. The list of all the hardware | |
3286 | * IPs that make up the asic is walked and the resume callbacks are run for | |
3287 | * COMMON, GMC, and IH. resume puts the hardware into a functional state | |
3288 | * after a suspend and updates the software state as necessary. This | |
3289 | * function is also used for restoring the GPU after a GPU reset. | |
3290 | * Returns 0 on success, negative error code on failure. | |
3291 | */ | |
06ec9070 | 3292 | static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
3293 | { |
3294 | int i, r; | |
3295 | ||
a90ad3c2 | 3296 | for (i = 0; i < adev->num_ip_blocks; i++) { |
482f0e53 | 3297 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
a90ad3c2 | 3298 | continue; |
a90ad3c2 | 3299 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 3300 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
d7274ec7 BZ |
3301 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
3302 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP && amdgpu_sriov_vf(adev))) { | |
482f0e53 | 3303 | |
fcf0649f CZ |
3304 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
3305 | if (r) { | |
3306 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
3307 | adev->ip_blocks[i].version->funcs->name, r); | |
3308 | return r; | |
3309 | } | |
482f0e53 | 3310 | adev->ip_blocks[i].status.hw = true; |
a90ad3c2 ML |
3311 | } |
3312 | } | |
3313 | ||
3314 | return 0; | |
3315 | } | |
3316 | ||
e3ecdffa AD |
3317 | /** |
3318 | * amdgpu_device_ip_resume_phase2 - run resume for hardware IPs | |
3319 | * | |
3320 | * @adev: amdgpu_device pointer | |
3321 | * | |
3322 | * First resume function for hardware IPs. The list of all the hardware | |
3323 | * IPs that make up the asic is walked and the resume callbacks are run for | |
3324 | * all blocks except COMMON, GMC, and IH. resume puts the hardware into a | |
3325 | * functional state after a suspend and updates the software state as | |
3326 | * necessary. This function is also used for restoring the GPU after a GPU | |
3327 | * reset. | |
3328 | * Returns 0 on success, negative error code on failure. | |
3329 | */ | |
06ec9070 | 3330 | static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
3331 | { |
3332 | int i, r; | |
3333 | ||
3334 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 | 3335 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
d38ceaf9 | 3336 | continue; |
fcf0649f | 3337 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 3338 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
7a3e0bb2 RZ |
3339 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
3340 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
fcf0649f | 3341 | continue; |
a1255107 | 3342 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 3343 | if (r) { |
a1255107 AD |
3344 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
3345 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 3346 | return r; |
2c1a2784 | 3347 | } |
482f0e53 | 3348 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
3349 | } |
3350 | ||
3351 | return 0; | |
3352 | } | |
3353 | ||
e3ecdffa AD |
3354 | /** |
3355 | * amdgpu_device_ip_resume - run resume for hardware IPs | |
3356 | * | |
3357 | * @adev: amdgpu_device pointer | |
3358 | * | |
3359 | * Main resume function for hardware IPs. The hardware IPs | |
3360 | * are split into two resume functions because they are | |
b8920e1e | 3361 | * also used in recovering from a GPU reset and some additional |
e3ecdffa AD |
3362 | * steps need to be take between them. In this case (S3/S4) they are |
3363 | * run sequentially. | |
3364 | * Returns 0 on success, negative error code on failure. | |
3365 | */ | |
06ec9070 | 3366 | static int amdgpu_device_ip_resume(struct amdgpu_device *adev) |
fcf0649f CZ |
3367 | { |
3368 | int r; | |
3369 | ||
06ec9070 | 3370 | r = amdgpu_device_ip_resume_phase1(adev); |
fcf0649f CZ |
3371 | if (r) |
3372 | return r; | |
7a3e0bb2 RZ |
3373 | |
3374 | r = amdgpu_device_fw_loading(adev); | |
3375 | if (r) | |
3376 | return r; | |
3377 | ||
06ec9070 | 3378 | r = amdgpu_device_ip_resume_phase2(adev); |
fcf0649f CZ |
3379 | |
3380 | return r; | |
3381 | } | |
3382 | ||
e3ecdffa AD |
3383 | /** |
3384 | * amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV | |
3385 | * | |
3386 | * @adev: amdgpu_device pointer | |
3387 | * | |
3388 | * Query the VBIOS data tables to determine if the board supports SR-IOV. | |
3389 | */ | |
4e99a44e | 3390 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 3391 | { |
6867e1b5 ML |
3392 | if (amdgpu_sriov_vf(adev)) { |
3393 | if (adev->is_atom_fw) { | |
58ff791a | 3394 | if (amdgpu_atomfirmware_gpu_virtualization_supported(adev)) |
6867e1b5 ML |
3395 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; |
3396 | } else { | |
3397 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
3398 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
3399 | } | |
3400 | ||
3401 | if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)) | |
3402 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); | |
a5bde2f9 | 3403 | } |
048765ad AR |
3404 | } |
3405 | ||
e3ecdffa AD |
3406 | /** |
3407 | * amdgpu_device_asic_has_dc_support - determine if DC supports the asic | |
3408 | * | |
3409 | * @asic_type: AMD asic type | |
3410 | * | |
3411 | * Check if there is DC (new modesetting infrastructre) support for an asic. | |
3412 | * returns true if DC has support, false if not. | |
3413 | */ | |
4562236b HW |
3414 | bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) |
3415 | { | |
3416 | switch (asic_type) { | |
0637d417 AD |
3417 | #ifdef CONFIG_DRM_AMDGPU_SI |
3418 | case CHIP_HAINAN: | |
3419 | #endif | |
3420 | case CHIP_TOPAZ: | |
3421 | /* chips with no display hardware */ | |
3422 | return false; | |
4562236b | 3423 | #if defined(CONFIG_DRM_AMD_DC) |
64200c46 MR |
3424 | case CHIP_TAHITI: |
3425 | case CHIP_PITCAIRN: | |
3426 | case CHIP_VERDE: | |
3427 | case CHIP_OLAND: | |
2d32ffd6 AD |
3428 | /* |
3429 | * We have systems in the wild with these ASICs that require | |
3430 | * LVDS and VGA support which is not supported with DC. | |
3431 | * | |
3432 | * Fallback to the non-DC driver here by default so as not to | |
3433 | * cause regressions. | |
3434 | */ | |
3435 | #if defined(CONFIG_DRM_AMD_DC_SI) | |
3436 | return amdgpu_dc > 0; | |
3437 | #else | |
3438 | return false; | |
64200c46 | 3439 | #endif |
4562236b | 3440 | case CHIP_BONAIRE: |
0d6fbccb | 3441 | case CHIP_KAVERI: |
367e6687 AD |
3442 | case CHIP_KABINI: |
3443 | case CHIP_MULLINS: | |
d9fda248 HW |
3444 | /* |
3445 | * We have systems in the wild with these ASICs that require | |
b5a0168e | 3446 | * VGA support which is not supported with DC. |
d9fda248 HW |
3447 | * |
3448 | * Fallback to the non-DC driver here by default so as not to | |
3449 | * cause regressions. | |
3450 | */ | |
3451 | return amdgpu_dc > 0; | |
f7f12b25 | 3452 | default: |
fd187853 | 3453 | return amdgpu_dc != 0; |
f7f12b25 | 3454 | #else |
4562236b | 3455 | default: |
93b09a9a | 3456 | if (amdgpu_dc > 0) |
b8920e1e | 3457 | DRM_INFO_ONCE("Display Core has been requested via kernel parameter but isn't supported by ASIC, ignoring\n"); |
4562236b | 3458 | return false; |
f7f12b25 | 3459 | #endif |
4562236b HW |
3460 | } |
3461 | } | |
3462 | ||
3463 | /** | |
3464 | * amdgpu_device_has_dc_support - check if dc is supported | |
3465 | * | |
982a820b | 3466 | * @adev: amdgpu_device pointer |
4562236b HW |
3467 | * |
3468 | * Returns true for supported, false for not supported | |
3469 | */ | |
3470 | bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) | |
3471 | { | |
25263da3 | 3472 | if (adev->enable_virtual_display || |
abaf210c | 3473 | (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) |
2555039d XY |
3474 | return false; |
3475 | ||
4562236b HW |
3476 | return amdgpu_device_asic_has_dc_support(adev->asic_type); |
3477 | } | |
3478 | ||
d4535e2c AG |
3479 | static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) |
3480 | { | |
3481 | struct amdgpu_device *adev = | |
3482 | container_of(__work, struct amdgpu_device, xgmi_reset_work); | |
d95e8e97 | 3483 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); |
d4535e2c | 3484 | |
c6a6e2db AG |
3485 | /* It's a bug to not have a hive within this function */ |
3486 | if (WARN_ON(!hive)) | |
3487 | return; | |
3488 | ||
3489 | /* | |
3490 | * Use task barrier to synchronize all xgmi reset works across the | |
3491 | * hive. task_barrier_enter and task_barrier_exit will block | |
3492 | * until all the threads running the xgmi reset works reach | |
3493 | * those points. task_barrier_full will do both blocks. | |
3494 | */ | |
3495 | if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { | |
3496 | ||
3497 | task_barrier_enter(&hive->tb); | |
4a580877 | 3498 | adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev)); |
c6a6e2db AG |
3499 | |
3500 | if (adev->asic_reset_res) | |
3501 | goto fail; | |
3502 | ||
3503 | task_barrier_exit(&hive->tb); | |
4a580877 | 3504 | adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev)); |
c6a6e2db AG |
3505 | |
3506 | if (adev->asic_reset_res) | |
3507 | goto fail; | |
43c4d576 | 3508 | |
5e67bba3 | 3509 | if (adev->mmhub.ras && adev->mmhub.ras->ras_block.hw_ops && |
3510 | adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count) | |
3511 | adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(adev); | |
c6a6e2db AG |
3512 | } else { |
3513 | ||
3514 | task_barrier_full(&hive->tb); | |
3515 | adev->asic_reset_res = amdgpu_asic_reset(adev); | |
3516 | } | |
ce316fa5 | 3517 | |
c6a6e2db | 3518 | fail: |
d4535e2c | 3519 | if (adev->asic_reset_res) |
fed184e9 | 3520 | DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 3521 | adev->asic_reset_res, adev_to_drm(adev)->unique); |
d95e8e97 | 3522 | amdgpu_put_xgmi_hive(hive); |
d4535e2c AG |
3523 | } |
3524 | ||
71f98027 AD |
3525 | static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) |
3526 | { | |
3527 | char *input = amdgpu_lockup_timeout; | |
3528 | char *timeout_setting = NULL; | |
3529 | int index = 0; | |
3530 | long timeout; | |
3531 | int ret = 0; | |
3532 | ||
3533 | /* | |
67387dfe AD |
3534 | * By default timeout for non compute jobs is 10000 |
3535 | * and 60000 for compute jobs. | |
71f98027 | 3536 | * In SR-IOV or passthrough mode, timeout for compute |
b7b2a316 | 3537 | * jobs are 60000 by default. |
71f98027 AD |
3538 | */ |
3539 | adev->gfx_timeout = msecs_to_jiffies(10000); | |
3540 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; | |
9882e278 ED |
3541 | if (amdgpu_sriov_vf(adev)) |
3542 | adev->compute_timeout = amdgpu_sriov_is_pp_one_vf(adev) ? | |
3543 | msecs_to_jiffies(60000) : msecs_to_jiffies(10000); | |
71f98027 | 3544 | else |
67387dfe | 3545 | adev->compute_timeout = msecs_to_jiffies(60000); |
71f98027 | 3546 | |
f440ff44 | 3547 | if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 | 3548 | while ((timeout_setting = strsep(&input, ",")) && |
f440ff44 | 3549 | strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 AD |
3550 | ret = kstrtol(timeout_setting, 0, &timeout); |
3551 | if (ret) | |
3552 | return ret; | |
3553 | ||
3554 | if (timeout == 0) { | |
3555 | index++; | |
3556 | continue; | |
3557 | } else if (timeout < 0) { | |
3558 | timeout = MAX_SCHEDULE_TIMEOUT; | |
127aedf9 CK |
3559 | dev_warn(adev->dev, "lockup timeout disabled"); |
3560 | add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK); | |
71f98027 AD |
3561 | } else { |
3562 | timeout = msecs_to_jiffies(timeout); | |
3563 | } | |
3564 | ||
3565 | switch (index++) { | |
3566 | case 0: | |
3567 | adev->gfx_timeout = timeout; | |
3568 | break; | |
3569 | case 1: | |
3570 | adev->compute_timeout = timeout; | |
3571 | break; | |
3572 | case 2: | |
3573 | adev->sdma_timeout = timeout; | |
3574 | break; | |
3575 | case 3: | |
3576 | adev->video_timeout = timeout; | |
3577 | break; | |
3578 | default: | |
3579 | break; | |
3580 | } | |
3581 | } | |
3582 | /* | |
3583 | * There is only one value specified and | |
3584 | * it should apply to all non-compute jobs. | |
3585 | */ | |
bcccee89 | 3586 | if (index == 1) { |
71f98027 | 3587 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; |
bcccee89 ED |
3588 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) |
3589 | adev->compute_timeout = adev->gfx_timeout; | |
3590 | } | |
71f98027 AD |
3591 | } |
3592 | ||
3593 | return ret; | |
3594 | } | |
d4535e2c | 3595 | |
4a74c38c PY |
3596 | /** |
3597 | * amdgpu_device_check_iommu_direct_map - check if RAM direct mapped to GPU | |
3598 | * | |
3599 | * @adev: amdgpu_device pointer | |
3600 | * | |
3601 | * RAM direct mapped to GPU if IOMMU is not enabled or is pass through mode | |
3602 | */ | |
3603 | static void amdgpu_device_check_iommu_direct_map(struct amdgpu_device *adev) | |
3604 | { | |
3605 | struct iommu_domain *domain; | |
3606 | ||
3607 | domain = iommu_get_domain_for_dev(adev->dev); | |
3608 | if (!domain || domain->type == IOMMU_DOMAIN_IDENTITY) | |
3609 | adev->ram_is_direct_mapped = true; | |
3610 | } | |
3611 | ||
77f3a5cd | 3612 | static const struct attribute *amdgpu_dev_attributes[] = { |
77f3a5cd ND |
3613 | &dev_attr_pcie_replay_count.attr, |
3614 | NULL | |
3615 | }; | |
3616 | ||
02ff519e AD |
3617 | static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) |
3618 | { | |
3619 | if (amdgpu_mcbp == 1) | |
3620 | adev->gfx.mcbp = true; | |
1e9e15dc JZ |
3621 | else if (amdgpu_mcbp == 0) |
3622 | adev->gfx.mcbp = false; | |
4e8303cf LL |
3623 | else if ((amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 0, 0)) && |
3624 | (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 0, 0)) && | |
1e9e15dc | 3625 | adev->gfx.num_gfx_rings) |
50a7c876 AD |
3626 | adev->gfx.mcbp = true; |
3627 | ||
02ff519e AD |
3628 | if (amdgpu_sriov_vf(adev)) |
3629 | adev->gfx.mcbp = true; | |
3630 | ||
3631 | if (adev->gfx.mcbp) | |
3632 | DRM_INFO("MCBP is enabled\n"); | |
3633 | } | |
3634 | ||
d38ceaf9 AD |
3635 | /** |
3636 | * amdgpu_device_init - initialize the driver | |
3637 | * | |
3638 | * @adev: amdgpu_device pointer | |
d38ceaf9 AD |
3639 | * @flags: driver flags |
3640 | * | |
3641 | * Initializes the driver info and hw (all asics). | |
3642 | * Returns 0 for success or an error on failure. | |
3643 | * Called at driver startup. | |
3644 | */ | |
3645 | int amdgpu_device_init(struct amdgpu_device *adev, | |
d38ceaf9 AD |
3646 | uint32_t flags) |
3647 | { | |
8aba21b7 LT |
3648 | struct drm_device *ddev = adev_to_drm(adev); |
3649 | struct pci_dev *pdev = adev->pdev; | |
d38ceaf9 | 3650 | int r, i; |
b98c6299 | 3651 | bool px = false; |
95844d20 | 3652 | u32 max_MBps; |
59e9fff1 | 3653 | int tmp; |
d38ceaf9 AD |
3654 | |
3655 | adev->shutdown = false; | |
d38ceaf9 | 3656 | adev->flags = flags; |
4e66d7d2 YZ |
3657 | |
3658 | if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST) | |
3659 | adev->asic_type = amdgpu_force_asic_type; | |
3660 | else | |
3661 | adev->asic_type = flags & AMD_ASIC_MASK; | |
3662 | ||
d38ceaf9 | 3663 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
593aa2d2 | 3664 | if (amdgpu_emu_mode == 1) |
8bdab6bb | 3665 | adev->usec_timeout *= 10; |
770d13b1 | 3666 | adev->gmc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
3667 | adev->accel_working = false; |
3668 | adev->num_rings = 0; | |
68ce8b24 | 3669 | RCU_INIT_POINTER(adev->gang_submit, dma_fence_get_stub()); |
d38ceaf9 AD |
3670 | adev->mman.buffer_funcs = NULL; |
3671 | adev->mman.buffer_funcs_ring = NULL; | |
3672 | adev->vm_manager.vm_pte_funcs = NULL; | |
0c88b430 | 3673 | adev->vm_manager.vm_pte_num_scheds = 0; |
132f34e4 | 3674 | adev->gmc.gmc_funcs = NULL; |
7bd939d0 | 3675 | adev->harvest_ip_mask = 0x0; |
f54d1867 | 3676 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
b8866c26 | 3677 | bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); |
d38ceaf9 AD |
3678 | |
3679 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
3680 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
3681 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
3682 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
0c552ed3 LM |
3683 | adev->pcie_rreg_ext = &amdgpu_invalid_rreg_ext; |
3684 | adev->pcie_wreg_ext = &amdgpu_invalid_wreg_ext; | |
36b9a952 HR |
3685 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
3686 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
4fa1c6a6 TZ |
3687 | adev->pcie_rreg64 = &amdgpu_invalid_rreg64; |
3688 | adev->pcie_wreg64 = &amdgpu_invalid_wreg64; | |
a76b2870 CL |
3689 | adev->pcie_rreg64_ext = &amdgpu_invalid_rreg64_ext; |
3690 | adev->pcie_wreg64_ext = &amdgpu_invalid_wreg64_ext; | |
d38ceaf9 AD |
3691 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
3692 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
3693 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
3694 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
3695 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
3696 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
3697 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
3698 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
3699 | ||
3e39ab90 AD |
3700 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
3701 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
3702 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
3703 | |
3704 | /* mutex initialization are all done here so we | |
b8920e1e SS |
3705 | * can recall function without having locking issues |
3706 | */ | |
0e5ca0d1 | 3707 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
3708 | mutex_init(&adev->pm.mutex); |
3709 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
3710 | mutex_init(&adev->srbm_mutex); | |
b8866c26 | 3711 | mutex_init(&adev->gfx.pipe_reserve_mutex); |
d23ee13f | 3712 | mutex_init(&adev->gfx.gfx_off_mutex); |
98a54e88 | 3713 | mutex_init(&adev->gfx.partition_mutex); |
d38ceaf9 | 3714 | mutex_init(&adev->grbm_idx_mutex); |
d38ceaf9 | 3715 | mutex_init(&adev->mn_lock); |
e23b74aa | 3716 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 | 3717 | hash_init(adev->mn_hash); |
32eaeae0 | 3718 | mutex_init(&adev->psp.mutex); |
bd052211 | 3719 | mutex_init(&adev->notifier_lock); |
8cda7a4f | 3720 | mutex_init(&adev->pm.stable_pstate_ctx_lock); |
f113cc32 | 3721 | mutex_init(&adev->benchmark_mutex); |
d38ceaf9 | 3722 | |
ab3b9de6 | 3723 | amdgpu_device_init_apu_flags(adev); |
9f6a7857 | 3724 | |
912dfc84 EQ |
3725 | r = amdgpu_device_check_arguments(adev); |
3726 | if (r) | |
3727 | return r; | |
d38ceaf9 | 3728 | |
d38ceaf9 AD |
3729 | spin_lock_init(&adev->mmio_idx_lock); |
3730 | spin_lock_init(&adev->smc_idx_lock); | |
3731 | spin_lock_init(&adev->pcie_idx_lock); | |
3732 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
3733 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 3734 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 3735 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 3736 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 3737 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 3738 | |
0c4e7fa5 CZ |
3739 | INIT_LIST_HEAD(&adev->shadow_list); |
3740 | mutex_init(&adev->shadow_list_lock); | |
3741 | ||
655ce9cb | 3742 | INIT_LIST_HEAD(&adev->reset_list); |
3743 | ||
6492e1b0 | 3744 | INIT_LIST_HEAD(&adev->ras_list); |
3745 | ||
3e38b634 EQ |
3746 | INIT_LIST_HEAD(&adev->pm.od_kobj_list); |
3747 | ||
beff74bc AD |
3748 | INIT_DELAYED_WORK(&adev->delayed_init_work, |
3749 | amdgpu_device_delayed_init_work_handler); | |
1e317b99 RZ |
3750 | INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, |
3751 | amdgpu_device_delay_enable_gfx_off); | |
2dc80b00 | 3752 | |
d4535e2c AG |
3753 | INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |
3754 | ||
d23ee13f | 3755 | adev->gfx.gfx_off_req_count = 1; |
0ad7347a AA |
3756 | adev->gfx.gfx_off_residency = 0; |
3757 | adev->gfx.gfx_off_entrycount = 0; | |
b6e79d9a | 3758 | adev->pm.ac_power = power_supply_is_system_supplied() > 0; |
b1ddf548 | 3759 | |
b265bdbd EQ |
3760 | atomic_set(&adev->throttling_logging_enabled, 1); |
3761 | /* | |
3762 | * If throttling continues, logging will be performed every minute | |
3763 | * to avoid log flooding. "-1" is subtracted since the thermal | |
3764 | * throttling interrupt comes every second. Thus, the total logging | |
3765 | * interval is 59 seconds(retelimited printk interval) + 1(waiting | |
3766 | * for throttling interrupt) = 60 seconds. | |
3767 | */ | |
3768 | ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZ, 1); | |
3769 | ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE); | |
3770 | ||
0fa49558 AX |
3771 | /* Registers mapping */ |
3772 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
3773 | if (adev->asic_type >= CHIP_BONAIRE) { |
3774 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
3775 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
3776 | } else { | |
3777 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
3778 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
3779 | } | |
d38ceaf9 | 3780 | |
6c08e0ef EQ |
3781 | for (i = 0; i < AMD_IP_BLOCK_TYPE_NUM; i++) |
3782 | atomic_set(&adev->pm.pwr_state[i], POWER_STATE_UNKNOWN); | |
3783 | ||
d38ceaf9 | 3784 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
b8920e1e | 3785 | if (!adev->rmmio) |
d38ceaf9 | 3786 | return -ENOMEM; |
b8920e1e | 3787 | |
d38ceaf9 | 3788 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); |
b8920e1e | 3789 | DRM_INFO("register mmio size: %u\n", (unsigned int)adev->rmmio_size); |
d38ceaf9 | 3790 | |
436afdfa PY |
3791 | /* |
3792 | * Reset domain needs to be present early, before XGMI hive discovered | |
3793 | * (if any) and intitialized to use reset sem and in_gpu reset flag | |
3794 | * early on during init and before calling to RREG32. | |
3795 | */ | |
3796 | adev->reset_domain = amdgpu_reset_create_reset_domain(SINGLE_DEVICE, "amdgpu-reset-dev"); | |
3797 | if (!adev->reset_domain) | |
3798 | return -ENOMEM; | |
3799 | ||
3aa0115d ML |
3800 | /* detect hw virtualization here */ |
3801 | amdgpu_detect_virtualization(adev); | |
3802 | ||
04e85958 TL |
3803 | amdgpu_device_get_pcie_info(adev); |
3804 | ||
dffa11b4 ML |
3805 | r = amdgpu_device_get_job_timeout_settings(adev); |
3806 | if (r) { | |
3807 | dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); | |
4ef87d8f | 3808 | return r; |
a190d1c7 XY |
3809 | } |
3810 | ||
d38ceaf9 | 3811 | /* early init functions */ |
06ec9070 | 3812 | r = amdgpu_device_ip_early_init(adev); |
d38ceaf9 | 3813 | if (r) |
4ef87d8f | 3814 | return r; |
d38ceaf9 | 3815 | |
02ff519e AD |
3816 | amdgpu_device_set_mcbp(adev); |
3817 | ||
b7cdb41e ML |
3818 | /* Get rid of things like offb */ |
3819 | r = drm_aperture_remove_conflicting_pci_framebuffers(adev->pdev, &amdgpu_kms_driver); | |
3820 | if (r) | |
3821 | return r; | |
3822 | ||
4d33e704 SK |
3823 | /* Enable TMZ based on IP_VERSION */ |
3824 | amdgpu_gmc_tmz_set(adev); | |
3825 | ||
957b0787 | 3826 | amdgpu_gmc_noretry_set(adev); |
4a0165f0 VS |
3827 | /* Need to get xgmi info early to decide the reset behavior*/ |
3828 | if (adev->gmc.xgmi.supported) { | |
3829 | r = adev->gfxhub.funcs->get_xgmi_info(adev); | |
3830 | if (r) | |
3831 | return r; | |
3832 | } | |
3833 | ||
8e6d0b69 | 3834 | /* enable PCIE atomic ops */ |
b4520bfd GW |
3835 | if (amdgpu_sriov_vf(adev)) { |
3836 | if (adev->virt.fw_reserve.p_pf2vf) | |
3837 | adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *) | |
3838 | adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_support_flags == | |
3839 | (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); | |
0e768043 YZ |
3840 | /* APUs w/ gfx9 onwards doesn't reply on PCIe atomics, rather it is a |
3841 | * internal path natively support atomics, set have_atomics_support to true. | |
3842 | */ | |
b4520bfd | 3843 | } else if ((adev->flags & AMD_IS_APU) && |
4e8303cf LL |
3844 | (amdgpu_ip_version(adev, GC_HWIP, 0) > |
3845 | IP_VERSION(9, 0, 0))) { | |
0e768043 | 3846 | adev->have_atomics_support = true; |
b4520bfd | 3847 | } else { |
8e6d0b69 | 3848 | adev->have_atomics_support = |
3849 | !pci_enable_atomic_ops_to_root(adev->pdev, | |
3850 | PCI_EXP_DEVCAP2_ATOMIC_COMP32 | | |
3851 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); | |
b4520bfd GW |
3852 | } |
3853 | ||
8e6d0b69 | 3854 | if (!adev->have_atomics_support) |
3855 | dev_info(adev->dev, "PCIE atomic ops is not supported\n"); | |
3856 | ||
6585661d | 3857 | /* doorbell bar mapping and doorbell index init*/ |
43c064db | 3858 | amdgpu_doorbell_init(adev); |
6585661d | 3859 | |
9475a943 SL |
3860 | if (amdgpu_emu_mode == 1) { |
3861 | /* post the asic on emulation mode */ | |
3862 | emu_soc_asic_init(adev); | |
bfca0289 | 3863 | goto fence_driver_init; |
9475a943 | 3864 | } |
bfca0289 | 3865 | |
04442bf7 LL |
3866 | amdgpu_reset_init(adev); |
3867 | ||
4e99a44e | 3868 | /* detect if we are with an SRIOV vbios */ |
b4520bfd GW |
3869 | if (adev->bios) |
3870 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 3871 | |
95e8e59e AD |
3872 | /* check if we need to reset the asic |
3873 | * E.g., driver was not cleanly unloaded previously, etc. | |
3874 | */ | |
f14899fd | 3875 | if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { |
e3c1b071 | 3876 | if (adev->gmc.xgmi.num_physical_nodes) { |
3877 | dev_info(adev->dev, "Pending hive reset.\n"); | |
3878 | adev->gmc.xgmi.pending_reset = true; | |
3879 | /* Only need to init necessary block for SMU to handle the reset */ | |
3880 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
3881 | if (!adev->ip_blocks[i].status.valid) | |
3882 | continue; | |
3883 | if (!(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
3884 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
3885 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || | |
3886 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC)) { | |
751f43e7 | 3887 | DRM_DEBUG("IP %s disabled for hw_init.\n", |
e3c1b071 | 3888 | adev->ip_blocks[i].version->funcs->name); |
3889 | adev->ip_blocks[i].status.hw = true; | |
3890 | } | |
3891 | } | |
3892 | } else { | |
59e9fff1 | 3893 | tmp = amdgpu_reset_method; |
3894 | /* It should do a default reset when loading or reloading the driver, | |
3895 | * regardless of the module parameter reset_method. | |
3896 | */ | |
3897 | amdgpu_reset_method = AMD_RESET_METHOD_NONE; | |
e3c1b071 | 3898 | r = amdgpu_asic_reset(adev); |
59e9fff1 | 3899 | amdgpu_reset_method = tmp; |
e3c1b071 | 3900 | if (r) { |
3901 | dev_err(adev->dev, "asic reset on init failed\n"); | |
3902 | goto failed; | |
3903 | } | |
95e8e59e AD |
3904 | } |
3905 | } | |
3906 | ||
d38ceaf9 | 3907 | /* Post card if necessary */ |
39c640c0 | 3908 | if (amdgpu_device_need_post(adev)) { |
d38ceaf9 | 3909 | if (!adev->bios) { |
bec86378 | 3910 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
3911 | r = -EINVAL; |
3912 | goto failed; | |
d38ceaf9 | 3913 | } |
bec86378 | 3914 | DRM_INFO("GPU posting now...\n"); |
4d2997ab | 3915 | r = amdgpu_device_asic_init(adev); |
4e99a44e ML |
3916 | if (r) { |
3917 | dev_err(adev->dev, "gpu post error!\n"); | |
3918 | goto failed; | |
3919 | } | |
d38ceaf9 AD |
3920 | } |
3921 | ||
9535a86a SZ |
3922 | if (adev->bios) { |
3923 | if (adev->is_atom_fw) { | |
3924 | /* Initialize clocks */ | |
3925 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
3926 | if (r) { | |
3927 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
3928 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); | |
3929 | goto failed; | |
3930 | } | |
3931 | } else { | |
3932 | /* Initialize clocks */ | |
3933 | r = amdgpu_atombios_get_clock_info(adev); | |
3934 | if (r) { | |
3935 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
3936 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); | |
3937 | goto failed; | |
3938 | } | |
3939 | /* init i2c buses */ | |
3940 | if (!amdgpu_device_has_dc_support(adev)) | |
3941 | amdgpu_atombios_i2c_init(adev); | |
a5bde2f9 | 3942 | } |
2c1a2784 | 3943 | } |
d38ceaf9 | 3944 | |
bfca0289 | 3945 | fence_driver_init: |
d38ceaf9 | 3946 | /* Fence driver */ |
067f44c8 | 3947 | r = amdgpu_fence_driver_sw_init(adev); |
2c1a2784 | 3948 | if (r) { |
067f44c8 | 3949 | dev_err(adev->dev, "amdgpu_fence_driver_sw_init failed\n"); |
e23b74aa | 3950 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 3951 | goto failed; |
2c1a2784 | 3952 | } |
d38ceaf9 AD |
3953 | |
3954 | /* init the mode config */ | |
4a580877 | 3955 | drm_mode_config_init(adev_to_drm(adev)); |
d38ceaf9 | 3956 | |
06ec9070 | 3957 | r = amdgpu_device_ip_init(adev); |
d38ceaf9 | 3958 | if (r) { |
06ec9070 | 3959 | dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); |
e23b74aa | 3960 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
970fd197 | 3961 | goto release_ras_con; |
d38ceaf9 AD |
3962 | } |
3963 | ||
8d35a259 LG |
3964 | amdgpu_fence_driver_hw_init(adev); |
3965 | ||
d69b8971 YZ |
3966 | dev_info(adev->dev, |
3967 | "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n", | |
d7f72fe4 YZ |
3968 | adev->gfx.config.max_shader_engines, |
3969 | adev->gfx.config.max_sh_per_se, | |
3970 | adev->gfx.config.max_cu_per_sh, | |
3971 | adev->gfx.cu_info.number); | |
3972 | ||
d38ceaf9 AD |
3973 | adev->accel_working = true; |
3974 | ||
e59c0205 AX |
3975 | amdgpu_vm_check_compute_bug(adev); |
3976 | ||
95844d20 MO |
3977 | /* Initialize the buffer migration limit. */ |
3978 | if (amdgpu_moverate >= 0) | |
3979 | max_MBps = amdgpu_moverate; | |
3980 | else | |
3981 | max_MBps = 8; /* Allow 8 MB/s. */ | |
3982 | /* Get a log2 for easy divisions. */ | |
3983 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
3984 | ||
b0adca4d EQ |
3985 | /* |
3986 | * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. | |
3987 | * Otherwise the mgpu fan boost feature will be skipped due to the | |
3988 | * gpu instance is counted less. | |
3989 | */ | |
3990 | amdgpu_register_gpu_instance(adev); | |
3991 | ||
d38ceaf9 AD |
3992 | /* enable clockgating, etc. after ib tests, etc. since some blocks require |
3993 | * explicit gating rather than handling it automatically. | |
3994 | */ | |
e3c1b071 | 3995 | if (!adev->gmc.xgmi.pending_reset) { |
3996 | r = amdgpu_device_ip_late_init(adev); | |
3997 | if (r) { | |
3998 | dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); | |
3999 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); | |
970fd197 | 4000 | goto release_ras_con; |
e3c1b071 | 4001 | } |
4002 | /* must succeed. */ | |
4003 | amdgpu_ras_resume(adev); | |
4004 | queue_delayed_work(system_wq, &adev->delayed_init_work, | |
4005 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
2c1a2784 | 4006 | } |
d38ceaf9 | 4007 | |
38eecbe0 CL |
4008 | if (amdgpu_sriov_vf(adev)) { |
4009 | amdgpu_virt_release_full_gpu(adev, true); | |
2c738637 | 4010 | flush_delayed_work(&adev->delayed_init_work); |
38eecbe0 | 4011 | } |
2c738637 | 4012 | |
90bcb9b5 EQ |
4013 | /* |
4014 | * Place those sysfs registering after `late_init`. As some of those | |
4015 | * operations performed in `late_init` might affect the sysfs | |
4016 | * interfaces creating. | |
4017 | */ | |
4018 | r = amdgpu_atombios_sysfs_init(adev); | |
4019 | if (r) | |
4020 | drm_err(&adev->ddev, | |
4021 | "registering atombios sysfs failed (%d).\n", r); | |
4022 | ||
4023 | r = amdgpu_pm_sysfs_init(adev); | |
4024 | if (r) | |
4025 | DRM_ERROR("registering pm sysfs failed (%d).\n", r); | |
4026 | ||
4027 | r = amdgpu_ucode_sysfs_init(adev); | |
4028 | if (r) { | |
4029 | adev->ucode_sysfs_en = false; | |
4030 | DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); | |
4031 | } else | |
4032 | adev->ucode_sysfs_en = true; | |
4033 | ||
77f3a5cd | 4034 | r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes); |
5aea5327 | 4035 | if (r) |
77f3a5cd | 4036 | dev_err(adev->dev, "Could not create amdgpu device attr\n"); |
bd607166 | 4037 | |
7957ec80 LL |
4038 | amdgpu_fru_sysfs_init(adev); |
4039 | ||
d155bef0 AB |
4040 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
4041 | r = amdgpu_pmu_init(adev); | |
9c7c85f7 JK |
4042 | if (r) |
4043 | dev_err(adev->dev, "amdgpu_pmu_init failed\n"); | |
4044 | ||
c1dd4aa6 AG |
4045 | /* Have stored pci confspace at hand for restore in sudden PCI error */ |
4046 | if (amdgpu_device_cache_pci_state(adev->pdev)) | |
4047 | pci_restore_state(pdev); | |
4048 | ||
8c3dd61c KHF |
4049 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ |
4050 | /* this will fail for cards that aren't VGA class devices, just | |
b8920e1e SS |
4051 | * ignore it |
4052 | */ | |
8c3dd61c | 4053 | if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) |
bf44e8ce | 4054 | vga_client_register(adev->pdev, amdgpu_device_vga_set_decode); |
8c3dd61c | 4055 | |
d37a3929 OC |
4056 | px = amdgpu_device_supports_px(ddev); |
4057 | ||
4058 | if (px || (!pci_is_thunderbolt_attached(adev->pdev) && | |
4059 | apple_gmux_detect(NULL, NULL))) | |
8c3dd61c KHF |
4060 | vga_switcheroo_register_client(adev->pdev, |
4061 | &amdgpu_switcheroo_ops, px); | |
d37a3929 OC |
4062 | |
4063 | if (px) | |
8c3dd61c | 4064 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); |
8c3dd61c | 4065 | |
e3c1b071 | 4066 | if (adev->gmc.xgmi.pending_reset) |
4067 | queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work, | |
4068 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
4069 | ||
4a74c38c PY |
4070 | amdgpu_device_check_iommu_direct_map(adev); |
4071 | ||
d38ceaf9 | 4072 | return 0; |
83ba126a | 4073 | |
970fd197 | 4074 | release_ras_con: |
38eecbe0 CL |
4075 | if (amdgpu_sriov_vf(adev)) |
4076 | amdgpu_virt_release_full_gpu(adev, true); | |
4077 | ||
4078 | /* failed in exclusive mode due to timeout */ | |
4079 | if (amdgpu_sriov_vf(adev) && | |
4080 | !amdgpu_sriov_runtime(adev) && | |
4081 | amdgpu_virt_mmio_blocked(adev) && | |
4082 | !amdgpu_virt_wait_reset(adev)) { | |
4083 | dev_err(adev->dev, "VF exclusive mode timeout\n"); | |
4084 | /* Don't send request since VF is inactive. */ | |
4085 | adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; | |
4086 | adev->virt.ops = NULL; | |
4087 | r = -EAGAIN; | |
4088 | } | |
970fd197 SY |
4089 | amdgpu_release_ras_context(adev); |
4090 | ||
83ba126a | 4091 | failed: |
89041940 | 4092 | amdgpu_vf_error_trans_all(adev); |
8840a387 | 4093 | |
83ba126a | 4094 | return r; |
d38ceaf9 AD |
4095 | } |
4096 | ||
07775fc1 AG |
4097 | static void amdgpu_device_unmap_mmio(struct amdgpu_device *adev) |
4098 | { | |
62d5f9f7 | 4099 | |
07775fc1 AG |
4100 | /* Clear all CPU mappings pointing to this device */ |
4101 | unmap_mapping_range(adev->ddev.anon_inode->i_mapping, 0, 0, 1); | |
4102 | ||
4103 | /* Unmap all mapped bars - Doorbell, registers and VRAM */ | |
43c064db | 4104 | amdgpu_doorbell_fini(adev); |
07775fc1 AG |
4105 | |
4106 | iounmap(adev->rmmio); | |
4107 | adev->rmmio = NULL; | |
4108 | if (adev->mman.aper_base_kaddr) | |
4109 | iounmap(adev->mman.aper_base_kaddr); | |
4110 | adev->mman.aper_base_kaddr = NULL; | |
4111 | ||
4112 | /* Memory manager related */ | |
a0ba1279 | 4113 | if (!adev->gmc.xgmi.connected_to_cpu && !adev->gmc.is_app_apu) { |
07775fc1 AG |
4114 | arch_phys_wc_del(adev->gmc.vram_mtrr); |
4115 | arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size); | |
4116 | } | |
4117 | } | |
4118 | ||
d38ceaf9 | 4119 | /** |
bbe04dec | 4120 | * amdgpu_device_fini_hw - tear down the driver |
d38ceaf9 AD |
4121 | * |
4122 | * @adev: amdgpu_device pointer | |
4123 | * | |
4124 | * Tear down the driver info (all asics). | |
4125 | * Called at driver shutdown. | |
4126 | */ | |
72c8c97b | 4127 | void amdgpu_device_fini_hw(struct amdgpu_device *adev) |
d38ceaf9 | 4128 | { |
aac89168 | 4129 | dev_info(adev->dev, "amdgpu: finishing device.\n"); |
9f875167 | 4130 | flush_delayed_work(&adev->delayed_init_work); |
d0d13fe8 | 4131 | adev->shutdown = true; |
9f875167 | 4132 | |
752c683d ML |
4133 | /* make sure IB test finished before entering exclusive mode |
4134 | * to avoid preemption on IB test | |
b8920e1e | 4135 | */ |
519b8b76 | 4136 | if (amdgpu_sriov_vf(adev)) { |
752c683d | 4137 | amdgpu_virt_request_full_gpu(adev, false); |
519b8b76 BZ |
4138 | amdgpu_virt_fini_data_exchange(adev); |
4139 | } | |
752c683d | 4140 | |
e5b03032 ML |
4141 | /* disable all interrupts */ |
4142 | amdgpu_irq_disable_all(adev); | |
47fc644f | 4143 | if (adev->mode_info.mode_config_initialized) { |
1053b9c9 | 4144 | if (!drm_drv_uses_atomic_modeset(adev_to_drm(adev))) |
4a580877 | 4145 | drm_helper_force_disable_all(adev_to_drm(adev)); |
ff97cba8 | 4146 | else |
4a580877 | 4147 | drm_atomic_helper_shutdown(adev_to_drm(adev)); |
ff97cba8 | 4148 | } |
8d35a259 | 4149 | amdgpu_fence_driver_hw_fini(adev); |
72c8c97b | 4150 | |
cd3a8a59 | 4151 | if (adev->mman.initialized) |
9bff18d1 | 4152 | drain_workqueue(adev->mman.bdev.wq); |
98f56188 | 4153 | |
53e9d836 | 4154 | if (adev->pm.sysfs_initialized) |
7c868b59 | 4155 | amdgpu_pm_sysfs_fini(adev); |
72c8c97b AG |
4156 | if (adev->ucode_sysfs_en) |
4157 | amdgpu_ucode_sysfs_fini(adev); | |
4158 | sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes); | |
7957ec80 | 4159 | amdgpu_fru_sysfs_fini(adev); |
72c8c97b | 4160 | |
232d1d43 SY |
4161 | /* disable ras feature must before hw fini */ |
4162 | amdgpu_ras_pre_fini(adev); | |
4163 | ||
e9669fb7 | 4164 | amdgpu_device_ip_fini_early(adev); |
d10d0daa | 4165 | |
a3848df6 YW |
4166 | amdgpu_irq_fini_hw(adev); |
4167 | ||
b6fd6e0f SK |
4168 | if (adev->mman.initialized) |
4169 | ttm_device_clear_dma_mappings(&adev->mman.bdev); | |
894c6890 | 4170 | |
d10d0daa | 4171 | amdgpu_gart_dummy_page_fini(adev); |
07775fc1 | 4172 | |
39934d3e VP |
4173 | if (drm_dev_is_unplugged(adev_to_drm(adev))) |
4174 | amdgpu_device_unmap_mmio(adev); | |
87172e89 | 4175 | |
72c8c97b AG |
4176 | } |
4177 | ||
4178 | void amdgpu_device_fini_sw(struct amdgpu_device *adev) | |
4179 | { | |
62d5f9f7 | 4180 | int idx; |
d37a3929 | 4181 | bool px; |
62d5f9f7 | 4182 | |
8d35a259 | 4183 | amdgpu_fence_driver_sw_fini(adev); |
a5c5d8d5 | 4184 | amdgpu_device_ip_fini(adev); |
b31d3063 | 4185 | amdgpu_ucode_release(&adev->firmware.gpu_info_fw); |
d38ceaf9 | 4186 | adev->accel_working = false; |
68ce8b24 | 4187 | dma_fence_put(rcu_dereference_protected(adev->gang_submit, true)); |
04442bf7 LL |
4188 | |
4189 | amdgpu_reset_fini(adev); | |
4190 | ||
d38ceaf9 | 4191 | /* free i2c buses */ |
4562236b HW |
4192 | if (!amdgpu_device_has_dc_support(adev)) |
4193 | amdgpu_i2c_fini(adev); | |
bfca0289 SL |
4194 | |
4195 | if (amdgpu_emu_mode != 1) | |
4196 | amdgpu_atombios_fini(adev); | |
4197 | ||
d38ceaf9 AD |
4198 | kfree(adev->bios); |
4199 | adev->bios = NULL; | |
d37a3929 OC |
4200 | |
4201 | px = amdgpu_device_supports_px(adev_to_drm(adev)); | |
4202 | ||
4203 | if (px || (!pci_is_thunderbolt_attached(adev->pdev) && | |
4204 | apple_gmux_detect(NULL, NULL))) | |
84c8b22e | 4205 | vga_switcheroo_unregister_client(adev->pdev); |
d37a3929 OC |
4206 | |
4207 | if (px) | |
83ba126a | 4208 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
d37a3929 | 4209 | |
38d6be81 | 4210 | if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) |
b8779475 | 4211 | vga_client_unregister(adev->pdev); |
e9bc1bf7 | 4212 | |
62d5f9f7 LS |
4213 | if (drm_dev_enter(adev_to_drm(adev), &idx)) { |
4214 | ||
4215 | iounmap(adev->rmmio); | |
4216 | adev->rmmio = NULL; | |
43c064db | 4217 | amdgpu_doorbell_fini(adev); |
62d5f9f7 LS |
4218 | drm_dev_exit(idx); |
4219 | } | |
4220 | ||
d155bef0 AB |
4221 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
4222 | amdgpu_pmu_fini(adev); | |
72de33f8 | 4223 | if (adev->mman.discovery_bin) |
a190d1c7 | 4224 | amdgpu_discovery_fini(adev); |
72c8c97b | 4225 | |
cfbb6b00 AG |
4226 | amdgpu_reset_put_reset_domain(adev->reset_domain); |
4227 | adev->reset_domain = NULL; | |
4228 | ||
72c8c97b AG |
4229 | kfree(adev->pci_state); |
4230 | ||
d38ceaf9 AD |
4231 | } |
4232 | ||
58144d28 ND |
4233 | /** |
4234 | * amdgpu_device_evict_resources - evict device resources | |
4235 | * @adev: amdgpu device object | |
4236 | * | |
4237 | * Evicts all ttm device resources(vram BOs, gart table) from the lru list | |
4238 | * of the vram memory type. Mainly used for evicting device resources | |
4239 | * at suspend time. | |
4240 | * | |
4241 | */ | |
7863c155 | 4242 | static int amdgpu_device_evict_resources(struct amdgpu_device *adev) |
58144d28 | 4243 | { |
7863c155 ML |
4244 | int ret; |
4245 | ||
e53d9665 ML |
4246 | /* No need to evict vram on APUs for suspend to ram or s2idle */ |
4247 | if ((adev->in_s3 || adev->in_s0ix) && (adev->flags & AMD_IS_APU)) | |
7863c155 | 4248 | return 0; |
58144d28 | 4249 | |
7863c155 ML |
4250 | ret = amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM); |
4251 | if (ret) | |
58144d28 | 4252 | DRM_WARN("evicting device resources failed\n"); |
7863c155 | 4253 | return ret; |
58144d28 | 4254 | } |
d38ceaf9 AD |
4255 | |
4256 | /* | |
4257 | * Suspend & resume. | |
4258 | */ | |
4259 | /** | |
810ddc3a | 4260 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 | 4261 | * |
87e3f136 | 4262 | * @dev: drm dev pointer |
87e3f136 | 4263 | * @fbcon : notify the fbdev of suspend |
d38ceaf9 AD |
4264 | * |
4265 | * Puts the hw in the suspend state (all asics). | |
4266 | * Returns 0 for success or an error on failure. | |
4267 | * Called at driver suspend. | |
4268 | */ | |
de185019 | 4269 | int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) |
d38ceaf9 | 4270 | { |
a2e15b0e | 4271 | struct amdgpu_device *adev = drm_to_adev(dev); |
d7274ec7 | 4272 | int r = 0; |
d38ceaf9 | 4273 | |
d38ceaf9 AD |
4274 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
4275 | return 0; | |
4276 | ||
44779b43 | 4277 | adev->in_suspend = true; |
3fa8f89d | 4278 | |
47ea2076 SF |
4279 | /* Evict the majority of BOs before grabbing the full access */ |
4280 | r = amdgpu_device_evict_resources(adev); | |
4281 | if (r) | |
4282 | return r; | |
4283 | ||
d7274ec7 BZ |
4284 | if (amdgpu_sriov_vf(adev)) { |
4285 | amdgpu_virt_fini_data_exchange(adev); | |
4286 | r = amdgpu_virt_request_full_gpu(adev, false); | |
4287 | if (r) | |
4288 | return r; | |
4289 | } | |
4290 | ||
3fa8f89d S |
4291 | if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D3)) |
4292 | DRM_WARN("smart shift update failed\n"); | |
4293 | ||
5f818173 | 4294 | if (fbcon) |
087451f3 | 4295 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, true); |
5f818173 | 4296 | |
beff74bc | 4297 | cancel_delayed_work_sync(&adev->delayed_init_work); |
0dee7263 | 4298 | flush_delayed_work(&adev->gfx.gfx_off_delay_work); |
a5459475 | 4299 | |
5e6932fe | 4300 | amdgpu_ras_suspend(adev); |
4301 | ||
2196927b | 4302 | amdgpu_device_ip_suspend_phase1(adev); |
fe1053b7 | 4303 | |
c004d44e | 4304 | if (!adev->in_s0ix) |
5d3a2d95 | 4305 | amdgpu_amdkfd_suspend(adev, adev->in_runpm); |
94fa5660 | 4306 | |
7863c155 ML |
4307 | r = amdgpu_device_evict_resources(adev); |
4308 | if (r) | |
4309 | return r; | |
d38ceaf9 | 4310 | |
8d35a259 | 4311 | amdgpu_fence_driver_hw_fini(adev); |
d38ceaf9 | 4312 | |
2196927b | 4313 | amdgpu_device_ip_suspend_phase2(adev); |
d38ceaf9 | 4314 | |
d7274ec7 BZ |
4315 | if (amdgpu_sriov_vf(adev)) |
4316 | amdgpu_virt_release_full_gpu(adev, false); | |
4317 | ||
d38ceaf9 AD |
4318 | return 0; |
4319 | } | |
4320 | ||
4321 | /** | |
810ddc3a | 4322 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 | 4323 | * |
87e3f136 | 4324 | * @dev: drm dev pointer |
87e3f136 | 4325 | * @fbcon : notify the fbdev of resume |
d38ceaf9 AD |
4326 | * |
4327 | * Bring the hw back to operating state (all asics). | |
4328 | * Returns 0 for success or an error on failure. | |
4329 | * Called at driver resume. | |
4330 | */ | |
de185019 | 4331 | int amdgpu_device_resume(struct drm_device *dev, bool fbcon) |
d38ceaf9 | 4332 | { |
1348969a | 4333 | struct amdgpu_device *adev = drm_to_adev(dev); |
03161a6e | 4334 | int r = 0; |
d38ceaf9 | 4335 | |
d7274ec7 BZ |
4336 | if (amdgpu_sriov_vf(adev)) { |
4337 | r = amdgpu_virt_request_full_gpu(adev, true); | |
4338 | if (r) | |
4339 | return r; | |
4340 | } | |
4341 | ||
d38ceaf9 AD |
4342 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
4343 | return 0; | |
4344 | ||
62498733 | 4345 | if (adev->in_s0ix) |
bc143d8b | 4346 | amdgpu_dpm_gfx_state_change(adev, sGpuChangeState_D0Entry); |
628c36d7 | 4347 | |
d38ceaf9 | 4348 | /* post card */ |
39c640c0 | 4349 | if (amdgpu_device_need_post(adev)) { |
4d2997ab | 4350 | r = amdgpu_device_asic_init(adev); |
74b0b157 | 4351 | if (r) |
aac89168 | 4352 | dev_err(adev->dev, "amdgpu asic init failed\n"); |
74b0b157 | 4353 | } |
d38ceaf9 | 4354 | |
06ec9070 | 4355 | r = amdgpu_device_ip_resume(adev); |
d7274ec7 | 4356 | |
e6707218 | 4357 | if (r) { |
aac89168 | 4358 | dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r); |
3c22c1ea | 4359 | goto exit; |
e6707218 | 4360 | } |
8d35a259 | 4361 | amdgpu_fence_driver_hw_init(adev); |
5ceb54c6 | 4362 | |
06ec9070 | 4363 | r = amdgpu_device_ip_late_init(adev); |
03161a6e | 4364 | if (r) |
3c22c1ea | 4365 | goto exit; |
d38ceaf9 | 4366 | |
beff74bc AD |
4367 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
4368 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
4369 | ||
c004d44e | 4370 | if (!adev->in_s0ix) { |
5d3a2d95 AD |
4371 | r = amdgpu_amdkfd_resume(adev, adev->in_runpm); |
4372 | if (r) | |
3c22c1ea | 4373 | goto exit; |
5d3a2d95 | 4374 | } |
756e6880 | 4375 | |
3c22c1ea SF |
4376 | exit: |
4377 | if (amdgpu_sriov_vf(adev)) { | |
4378 | amdgpu_virt_init_data_exchange(adev); | |
4379 | amdgpu_virt_release_full_gpu(adev, true); | |
4380 | } | |
4381 | ||
4382 | if (r) | |
4383 | return r; | |
4384 | ||
96a5d8d4 | 4385 | /* Make sure IB tests flushed */ |
beff74bc | 4386 | flush_delayed_work(&adev->delayed_init_work); |
96a5d8d4 | 4387 | |
a2e15b0e | 4388 | if (fbcon) |
087451f3 | 4389 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, false); |
d38ceaf9 | 4390 | |
5e6932fe | 4391 | amdgpu_ras_resume(adev); |
4392 | ||
d09ef243 AD |
4393 | if (adev->mode_info.num_crtc) { |
4394 | /* | |
4395 | * Most of the connector probing functions try to acquire runtime pm | |
4396 | * refs to ensure that the GPU is powered on when connector polling is | |
4397 | * performed. Since we're calling this from a runtime PM callback, | |
4398 | * trying to acquire rpm refs will cause us to deadlock. | |
4399 | * | |
4400 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
4401 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
4402 | */ | |
23a1a9e5 | 4403 | #ifdef CONFIG_PM |
d09ef243 | 4404 | dev->dev->power.disable_depth++; |
23a1a9e5 | 4405 | #endif |
d09ef243 AD |
4406 | if (!adev->dc_enabled) |
4407 | drm_helper_hpd_irq_event(dev); | |
4408 | else | |
4409 | drm_kms_helper_hotplug_event(dev); | |
23a1a9e5 | 4410 | #ifdef CONFIG_PM |
d09ef243 | 4411 | dev->dev->power.disable_depth--; |
23a1a9e5 | 4412 | #endif |
d09ef243 | 4413 | } |
44779b43 RZ |
4414 | adev->in_suspend = false; |
4415 | ||
dc907c9d JX |
4416 | if (adev->enable_mes) |
4417 | amdgpu_mes_self_test(adev); | |
4418 | ||
3fa8f89d S |
4419 | if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D0)) |
4420 | DRM_WARN("smart shift update failed\n"); | |
4421 | ||
4d3b9ae5 | 4422 | return 0; |
d38ceaf9 AD |
4423 | } |
4424 | ||
e3ecdffa AD |
4425 | /** |
4426 | * amdgpu_device_ip_check_soft_reset - did soft reset succeed | |
4427 | * | |
4428 | * @adev: amdgpu_device pointer | |
4429 | * | |
4430 | * The list of all the hardware IPs that make up the asic is walked and | |
4431 | * the check_soft_reset callbacks are run. check_soft_reset determines | |
4432 | * if the asic is still hung or not. | |
4433 | * Returns true if any of the IPs are still in a hung state, false if not. | |
4434 | */ | |
06ec9070 | 4435 | static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) |
63fbf42f CZ |
4436 | { |
4437 | int i; | |
4438 | bool asic_hang = false; | |
4439 | ||
f993d628 ML |
4440 | if (amdgpu_sriov_vf(adev)) |
4441 | return true; | |
4442 | ||
8bc04c29 AD |
4443 | if (amdgpu_asic_need_full_reset(adev)) |
4444 | return true; | |
4445 | ||
63fbf42f | 4446 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 4447 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 4448 | continue; |
a1255107 AD |
4449 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
4450 | adev->ip_blocks[i].status.hang = | |
4451 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
4452 | if (adev->ip_blocks[i].status.hang) { | |
aac89168 | 4453 | dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); |
63fbf42f CZ |
4454 | asic_hang = true; |
4455 | } | |
4456 | } | |
4457 | return asic_hang; | |
4458 | } | |
4459 | ||
e3ecdffa AD |
4460 | /** |
4461 | * amdgpu_device_ip_pre_soft_reset - prepare for soft reset | |
4462 | * | |
4463 | * @adev: amdgpu_device pointer | |
4464 | * | |
4465 | * The list of all the hardware IPs that make up the asic is walked and the | |
4466 | * pre_soft_reset callbacks are run if the block is hung. pre_soft_reset | |
4467 | * handles any IP specific hardware or software state changes that are | |
4468 | * necessary for a soft reset to succeed. | |
4469 | * Returns 0 on success, negative error code on failure. | |
4470 | */ | |
06ec9070 | 4471 | static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
4472 | { |
4473 | int i, r = 0; | |
4474 | ||
4475 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4476 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 4477 | continue; |
a1255107 AD |
4478 | if (adev->ip_blocks[i].status.hang && |
4479 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
4480 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
4481 | if (r) |
4482 | return r; | |
4483 | } | |
4484 | } | |
4485 | ||
4486 | return 0; | |
4487 | } | |
4488 | ||
e3ecdffa AD |
4489 | /** |
4490 | * amdgpu_device_ip_need_full_reset - check if a full asic reset is needed | |
4491 | * | |
4492 | * @adev: amdgpu_device pointer | |
4493 | * | |
4494 | * Some hardware IPs cannot be soft reset. If they are hung, a full gpu | |
4495 | * reset is necessary to recover. | |
4496 | * Returns true if a full asic reset is required, false if not. | |
4497 | */ | |
06ec9070 | 4498 | static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) |
35d782fe | 4499 | { |
da146d3b AD |
4500 | int i; |
4501 | ||
8bc04c29 AD |
4502 | if (amdgpu_asic_need_full_reset(adev)) |
4503 | return true; | |
4504 | ||
da146d3b | 4505 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 4506 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 4507 | continue; |
a1255107 AD |
4508 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
4509 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
4510 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
4511 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
4512 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 4513 | if (adev->ip_blocks[i].status.hang) { |
aac89168 | 4514 | dev_info(adev->dev, "Some block need full reset!\n"); |
da146d3b AD |
4515 | return true; |
4516 | } | |
4517 | } | |
35d782fe CZ |
4518 | } |
4519 | return false; | |
4520 | } | |
4521 | ||
e3ecdffa AD |
4522 | /** |
4523 | * amdgpu_device_ip_soft_reset - do a soft reset | |
4524 | * | |
4525 | * @adev: amdgpu_device pointer | |
4526 | * | |
4527 | * The list of all the hardware IPs that make up the asic is walked and the | |
4528 | * soft_reset callbacks are run if the block is hung. soft_reset handles any | |
4529 | * IP specific hardware or software state changes that are necessary to soft | |
4530 | * reset the IP. | |
4531 | * Returns 0 on success, negative error code on failure. | |
4532 | */ | |
06ec9070 | 4533 | static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
4534 | { |
4535 | int i, r = 0; | |
4536 | ||
4537 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4538 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 4539 | continue; |
a1255107 AD |
4540 | if (adev->ip_blocks[i].status.hang && |
4541 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
4542 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
4543 | if (r) |
4544 | return r; | |
4545 | } | |
4546 | } | |
4547 | ||
4548 | return 0; | |
4549 | } | |
4550 | ||
e3ecdffa AD |
4551 | /** |
4552 | * amdgpu_device_ip_post_soft_reset - clean up from soft reset | |
4553 | * | |
4554 | * @adev: amdgpu_device pointer | |
4555 | * | |
4556 | * The list of all the hardware IPs that make up the asic is walked and the | |
4557 | * post_soft_reset callbacks are run if the asic was hung. post_soft_reset | |
4558 | * handles any IP specific hardware or software state changes that are | |
4559 | * necessary after the IP has been soft reset. | |
4560 | * Returns 0 on success, negative error code on failure. | |
4561 | */ | |
06ec9070 | 4562 | static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
4563 | { |
4564 | int i, r = 0; | |
4565 | ||
4566 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4567 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 4568 | continue; |
a1255107 AD |
4569 | if (adev->ip_blocks[i].status.hang && |
4570 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
4571 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
4572 | if (r) |
4573 | return r; | |
4574 | } | |
4575 | ||
4576 | return 0; | |
4577 | } | |
4578 | ||
e3ecdffa | 4579 | /** |
c33adbc7 | 4580 | * amdgpu_device_recover_vram - Recover some VRAM contents |
e3ecdffa AD |
4581 | * |
4582 | * @adev: amdgpu_device pointer | |
4583 | * | |
4584 | * Restores the contents of VRAM buffers from the shadows in GTT. Used to | |
4585 | * restore things like GPUVM page tables after a GPU reset where | |
4586 | * the contents of VRAM might be lost. | |
403009bf CK |
4587 | * |
4588 | * Returns: | |
4589 | * 0 on success, negative error code on failure. | |
e3ecdffa | 4590 | */ |
c33adbc7 | 4591 | static int amdgpu_device_recover_vram(struct amdgpu_device *adev) |
c41d1cf6 | 4592 | { |
c41d1cf6 | 4593 | struct dma_fence *fence = NULL, *next = NULL; |
403009bf | 4594 | struct amdgpu_bo *shadow; |
e18aaea7 | 4595 | struct amdgpu_bo_vm *vmbo; |
403009bf | 4596 | long r = 1, tmo; |
c41d1cf6 ML |
4597 | |
4598 | if (amdgpu_sriov_runtime(adev)) | |
b045d3af | 4599 | tmo = msecs_to_jiffies(8000); |
c41d1cf6 ML |
4600 | else |
4601 | tmo = msecs_to_jiffies(100); | |
4602 | ||
aac89168 | 4603 | dev_info(adev->dev, "recover vram bo from shadow start\n"); |
c41d1cf6 | 4604 | mutex_lock(&adev->shadow_list_lock); |
e18aaea7 | 4605 | list_for_each_entry(vmbo, &adev->shadow_list, shadow_list) { |
4994d1f0 LC |
4606 | /* If vm is compute context or adev is APU, shadow will be NULL */ |
4607 | if (!vmbo->shadow) | |
4608 | continue; | |
4609 | shadow = vmbo->shadow; | |
4610 | ||
403009bf | 4611 | /* No need to recover an evicted BO */ |
d3116756 CK |
4612 | if (shadow->tbo.resource->mem_type != TTM_PL_TT || |
4613 | shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET || | |
4614 | shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM) | |
403009bf CK |
4615 | continue; |
4616 | ||
4617 | r = amdgpu_bo_restore_shadow(shadow, &next); | |
4618 | if (r) | |
4619 | break; | |
4620 | ||
c41d1cf6 | 4621 | if (fence) { |
1712fb1a | 4622 | tmo = dma_fence_wait_timeout(fence, false, tmo); |
403009bf CK |
4623 | dma_fence_put(fence); |
4624 | fence = next; | |
1712fb1a | 4625 | if (tmo == 0) { |
4626 | r = -ETIMEDOUT; | |
c41d1cf6 | 4627 | break; |
1712fb1a | 4628 | } else if (tmo < 0) { |
4629 | r = tmo; | |
4630 | break; | |
4631 | } | |
403009bf CK |
4632 | } else { |
4633 | fence = next; | |
c41d1cf6 | 4634 | } |
c41d1cf6 ML |
4635 | } |
4636 | mutex_unlock(&adev->shadow_list_lock); | |
4637 | ||
403009bf CK |
4638 | if (fence) |
4639 | tmo = dma_fence_wait_timeout(fence, false, tmo); | |
c41d1cf6 ML |
4640 | dma_fence_put(fence); |
4641 | ||
1712fb1a | 4642 | if (r < 0 || tmo <= 0) { |
aac89168 | 4643 | dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); |
403009bf CK |
4644 | return -EIO; |
4645 | } | |
c41d1cf6 | 4646 | |
aac89168 | 4647 | dev_info(adev->dev, "recover vram bo from shadow done\n"); |
403009bf | 4648 | return 0; |
c41d1cf6 ML |
4649 | } |
4650 | ||
a90ad3c2 | 4651 | |
e3ecdffa | 4652 | /** |
06ec9070 | 4653 | * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf |
5740682e | 4654 | * |
982a820b | 4655 | * @adev: amdgpu_device pointer |
87e3f136 | 4656 | * @from_hypervisor: request from hypervisor |
5740682e ML |
4657 | * |
4658 | * do VF FLR and reinitialize Asic | |
3f48c681 | 4659 | * return 0 means succeeded otherwise failed |
e3ecdffa AD |
4660 | */ |
4661 | static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, | |
4662 | bool from_hypervisor) | |
5740682e ML |
4663 | { |
4664 | int r; | |
a5f67c93 | 4665 | struct amdgpu_hive_info *hive = NULL; |
7258fa31 | 4666 | int retry_limit = 0; |
5740682e | 4667 | |
7258fa31 | 4668 | retry: |
c004d44e | 4669 | amdgpu_amdkfd_pre_reset(adev); |
428890a3 | 4670 | |
5740682e ML |
4671 | if (from_hypervisor) |
4672 | r = amdgpu_virt_request_full_gpu(adev, true); | |
4673 | else | |
4674 | r = amdgpu_virt_reset_gpu(adev); | |
4675 | if (r) | |
4676 | return r; | |
f734b213 | 4677 | amdgpu_irq_gpu_reset_resume_helper(adev); |
a90ad3c2 | 4678 | |
83f24a8f HC |
4679 | /* some sw clean up VF needs to do before recover */ |
4680 | amdgpu_virt_post_reset(adev); | |
4681 | ||
a90ad3c2 | 4682 | /* Resume IP prior to SMC */ |
06ec9070 | 4683 | r = amdgpu_device_ip_reinit_early_sriov(adev); |
5740682e ML |
4684 | if (r) |
4685 | goto error; | |
a90ad3c2 | 4686 | |
c9ffa427 | 4687 | amdgpu_virt_init_data_exchange(adev); |
a90ad3c2 | 4688 | |
7a3e0bb2 RZ |
4689 | r = amdgpu_device_fw_loading(adev); |
4690 | if (r) | |
4691 | return r; | |
4692 | ||
a90ad3c2 | 4693 | /* now we are okay to resume SMC/CP/SDMA */ |
06ec9070 | 4694 | r = amdgpu_device_ip_reinit_late_sriov(adev); |
5740682e ML |
4695 | if (r) |
4696 | goto error; | |
a90ad3c2 | 4697 | |
a5f67c93 ZL |
4698 | hive = amdgpu_get_xgmi_hive(adev); |
4699 | /* Update PSP FW topology after reset */ | |
4700 | if (hive && adev->gmc.xgmi.num_physical_nodes > 1) | |
4701 | r = amdgpu_xgmi_update_topology(hive, adev); | |
4702 | ||
4703 | if (hive) | |
4704 | amdgpu_put_xgmi_hive(hive); | |
4705 | ||
4706 | if (!r) { | |
a5f67c93 | 4707 | r = amdgpu_ib_ring_tests(adev); |
9c12f5cd | 4708 | |
c004d44e | 4709 | amdgpu_amdkfd_post_reset(adev); |
a5f67c93 | 4710 | } |
a90ad3c2 | 4711 | |
abc34253 | 4712 | error: |
c41d1cf6 | 4713 | if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { |
e3526257 | 4714 | amdgpu_inc_vram_lost(adev); |
c33adbc7 | 4715 | r = amdgpu_device_recover_vram(adev); |
a90ad3c2 | 4716 | } |
437f3e0b | 4717 | amdgpu_virt_release_full_gpu(adev, true); |
a90ad3c2 | 4718 | |
7258fa31 SK |
4719 | if (AMDGPU_RETRY_SRIOV_RESET(r)) { |
4720 | if (retry_limit < AMDGPU_MAX_RETRY_LIMIT) { | |
4721 | retry_limit++; | |
4722 | goto retry; | |
4723 | } else | |
4724 | DRM_ERROR("GPU reset retry is beyond the retry limit\n"); | |
4725 | } | |
4726 | ||
a90ad3c2 ML |
4727 | return r; |
4728 | } | |
4729 | ||
9a1cddd6 | 4730 | /** |
4731 | * amdgpu_device_has_job_running - check if there is any job in mirror list | |
4732 | * | |
982a820b | 4733 | * @adev: amdgpu_device pointer |
9a1cddd6 | 4734 | * |
4735 | * check if there is any job in mirror list | |
4736 | */ | |
4737 | bool amdgpu_device_has_job_running(struct amdgpu_device *adev) | |
4738 | { | |
4739 | int i; | |
4740 | struct drm_sched_job *job; | |
4741 | ||
4742 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4743 | struct amdgpu_ring *ring = adev->rings[i]; | |
4744 | ||
4745 | if (!ring || !ring->sched.thread) | |
4746 | continue; | |
4747 | ||
4748 | spin_lock(&ring->sched.job_list_lock); | |
6efa4b46 LT |
4749 | job = list_first_entry_or_null(&ring->sched.pending_list, |
4750 | struct drm_sched_job, list); | |
9a1cddd6 | 4751 | spin_unlock(&ring->sched.job_list_lock); |
4752 | if (job) | |
4753 | return true; | |
4754 | } | |
4755 | return false; | |
4756 | } | |
4757 | ||
12938fad CK |
4758 | /** |
4759 | * amdgpu_device_should_recover_gpu - check if we should try GPU recovery | |
4760 | * | |
982a820b | 4761 | * @adev: amdgpu_device pointer |
12938fad CK |
4762 | * |
4763 | * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover | |
4764 | * a hung GPU. | |
4765 | */ | |
4766 | bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) | |
4767 | { | |
12938fad | 4768 | |
3ba7b418 AG |
4769 | if (amdgpu_gpu_recovery == 0) |
4770 | goto disabled; | |
4771 | ||
1a11a65d YC |
4772 | /* Skip soft reset check in fatal error mode */ |
4773 | if (!amdgpu_ras_is_poison_mode_supported(adev)) | |
4774 | return true; | |
4775 | ||
3ba7b418 AG |
4776 | if (amdgpu_sriov_vf(adev)) |
4777 | return true; | |
4778 | ||
4779 | if (amdgpu_gpu_recovery == -1) { | |
4780 | switch (adev->asic_type) { | |
b3523c45 AD |
4781 | #ifdef CONFIG_DRM_AMDGPU_SI |
4782 | case CHIP_VERDE: | |
4783 | case CHIP_TAHITI: | |
4784 | case CHIP_PITCAIRN: | |
4785 | case CHIP_OLAND: | |
4786 | case CHIP_HAINAN: | |
4787 | #endif | |
4788 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
4789 | case CHIP_KAVERI: | |
4790 | case CHIP_KABINI: | |
4791 | case CHIP_MULLINS: | |
4792 | #endif | |
4793 | case CHIP_CARRIZO: | |
4794 | case CHIP_STONEY: | |
4795 | case CHIP_CYAN_SKILLFISH: | |
3ba7b418 | 4796 | goto disabled; |
b3523c45 AD |
4797 | default: |
4798 | break; | |
3ba7b418 | 4799 | } |
12938fad CK |
4800 | } |
4801 | ||
4802 | return true; | |
3ba7b418 AG |
4803 | |
4804 | disabled: | |
aac89168 | 4805 | dev_info(adev->dev, "GPU recovery disabled.\n"); |
3ba7b418 | 4806 | return false; |
12938fad CK |
4807 | } |
4808 | ||
5c03e584 FX |
4809 | int amdgpu_device_mode1_reset(struct amdgpu_device *adev) |
4810 | { | |
47fc644f SS |
4811 | u32 i; |
4812 | int ret = 0; | |
5c03e584 | 4813 | |
47fc644f | 4814 | amdgpu_atombios_scratch_regs_engine_hung(adev, true); |
5c03e584 | 4815 | |
47fc644f | 4816 | dev_info(adev->dev, "GPU mode1 reset\n"); |
5c03e584 | 4817 | |
47fc644f SS |
4818 | /* disable BM */ |
4819 | pci_clear_master(adev->pdev); | |
5c03e584 | 4820 | |
47fc644f | 4821 | amdgpu_device_cache_pci_state(adev->pdev); |
5c03e584 | 4822 | |
47fc644f SS |
4823 | if (amdgpu_dpm_is_mode1_reset_supported(adev)) { |
4824 | dev_info(adev->dev, "GPU smu mode1 reset\n"); | |
4825 | ret = amdgpu_dpm_mode1_reset(adev); | |
4826 | } else { | |
4827 | dev_info(adev->dev, "GPU psp mode1 reset\n"); | |
4828 | ret = psp_gpu_reset(adev); | |
4829 | } | |
5c03e584 | 4830 | |
47fc644f | 4831 | if (ret) |
2c0f880a | 4832 | goto mode1_reset_failed; |
5c03e584 | 4833 | |
47fc644f | 4834 | amdgpu_device_load_pci_state(adev->pdev); |
15c5c5f5 LL |
4835 | ret = amdgpu_psp_wait_for_bootloader(adev); |
4836 | if (ret) | |
2c0f880a | 4837 | goto mode1_reset_failed; |
5c03e584 | 4838 | |
47fc644f SS |
4839 | /* wait for asic to come out of reset */ |
4840 | for (i = 0; i < adev->usec_timeout; i++) { | |
4841 | u32 memsize = adev->nbio.funcs->get_memsize(adev); | |
5c03e584 | 4842 | |
47fc644f SS |
4843 | if (memsize != 0xffffffff) |
4844 | break; | |
4845 | udelay(1); | |
4846 | } | |
5c03e584 | 4847 | |
2c0f880a HZ |
4848 | if (i >= adev->usec_timeout) { |
4849 | ret = -ETIMEDOUT; | |
4850 | goto mode1_reset_failed; | |
4851 | } | |
4852 | ||
47fc644f | 4853 | amdgpu_atombios_scratch_regs_engine_hung(adev, false); |
15c5c5f5 | 4854 | |
2c0f880a HZ |
4855 | return 0; |
4856 | ||
4857 | mode1_reset_failed: | |
4858 | dev_err(adev->dev, "GPU mode1 reset failed\n"); | |
47fc644f | 4859 | return ret; |
5c03e584 | 4860 | } |
5c6dd71e | 4861 | |
e3c1b071 | 4862 | int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, |
04442bf7 | 4863 | struct amdgpu_reset_context *reset_context) |
26bc5340 | 4864 | { |
5c1e6fa4 | 4865 | int i, r = 0; |
04442bf7 LL |
4866 | struct amdgpu_job *job = NULL; |
4867 | bool need_full_reset = | |
4868 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4869 | ||
4870 | if (reset_context->reset_req_dev == adev) | |
4871 | job = reset_context->job; | |
71182665 | 4872 | |
b602ca5f TZ |
4873 | if (amdgpu_sriov_vf(adev)) { |
4874 | /* stop the data exchange thread */ | |
4875 | amdgpu_virt_fini_data_exchange(adev); | |
4876 | } | |
4877 | ||
9e225fb9 AG |
4878 | amdgpu_fence_driver_isr_toggle(adev, true); |
4879 | ||
71182665 | 4880 | /* block all schedulers and reset given job's ring */ |
0875dc9e CZ |
4881 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4882 | struct amdgpu_ring *ring = adev->rings[i]; | |
4883 | ||
51687759 | 4884 | if (!ring || !ring->sched.thread) |
0875dc9e | 4885 | continue; |
5740682e | 4886 | |
b8920e1e SS |
4887 | /* Clear job fence from fence drv to avoid force_completion |
4888 | * leave NULL and vm flush fence in fence drv | |
4889 | */ | |
5c1e6fa4 | 4890 | amdgpu_fence_driver_clear_job_fences(ring); |
c530b02f | 4891 | |
2f9d4084 ML |
4892 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
4893 | amdgpu_fence_driver_force_completion(ring); | |
0875dc9e | 4894 | } |
d38ceaf9 | 4895 | |
9e225fb9 AG |
4896 | amdgpu_fence_driver_isr_toggle(adev, false); |
4897 | ||
ff99849b | 4898 | if (job && job->vm) |
222b5f04 AG |
4899 | drm_sched_increase_karma(&job->base); |
4900 | ||
04442bf7 | 4901 | r = amdgpu_reset_prepare_hwcontext(adev, reset_context); |
404b277b | 4902 | /* If reset handler not implemented, continue; otherwise return */ |
b8920e1e | 4903 | if (r == -EOPNOTSUPP) |
404b277b LL |
4904 | r = 0; |
4905 | else | |
04442bf7 LL |
4906 | return r; |
4907 | ||
1d721ed6 | 4908 | /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ |
26bc5340 AG |
4909 | if (!amdgpu_sriov_vf(adev)) { |
4910 | ||
4911 | if (!need_full_reset) | |
4912 | need_full_reset = amdgpu_device_ip_need_full_reset(adev); | |
4913 | ||
360cd081 LG |
4914 | if (!need_full_reset && amdgpu_gpu_recovery && |
4915 | amdgpu_device_ip_check_soft_reset(adev)) { | |
26bc5340 AG |
4916 | amdgpu_device_ip_pre_soft_reset(adev); |
4917 | r = amdgpu_device_ip_soft_reset(adev); | |
4918 | amdgpu_device_ip_post_soft_reset(adev); | |
4919 | if (r || amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4920 | dev_info(adev->dev, "soft reset failed, will fallback to full reset!\n"); |
26bc5340 AG |
4921 | need_full_reset = true; |
4922 | } | |
4923 | } | |
4924 | ||
4925 | if (need_full_reset) | |
4926 | r = amdgpu_device_ip_suspend(adev); | |
04442bf7 LL |
4927 | if (need_full_reset) |
4928 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4929 | else | |
4930 | clear_bit(AMDGPU_NEED_FULL_RESET, | |
4931 | &reset_context->flags); | |
26bc5340 AG |
4932 | } |
4933 | ||
4934 | return r; | |
4935 | } | |
4936 | ||
15fd09a0 SA |
4937 | static int amdgpu_reset_reg_dumps(struct amdgpu_device *adev) |
4938 | { | |
15fd09a0 SA |
4939 | int i; |
4940 | ||
38a15ad9 | 4941 | lockdep_assert_held(&adev->reset_domain->sem); |
15fd09a0 SA |
4942 | |
4943 | for (i = 0; i < adev->num_regs; i++) { | |
651d7ee6 SA |
4944 | adev->reset_dump_reg_value[i] = RREG32(adev->reset_dump_reg_list[i]); |
4945 | trace_amdgpu_reset_reg_dumps(adev->reset_dump_reg_list[i], | |
4946 | adev->reset_dump_reg_value[i]); | |
15fd09a0 SA |
4947 | } |
4948 | ||
4949 | return 0; | |
4950 | } | |
4951 | ||
a7691785 AA |
4952 | #ifndef CONFIG_DEV_COREDUMP |
4953 | static void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost, | |
4954 | struct amdgpu_reset_context *reset_context) | |
4955 | { | |
4956 | } | |
4957 | #else | |
3d8785f6 SA |
4958 | static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset, |
4959 | size_t count, void *data, size_t datalen) | |
4960 | { | |
4961 | struct drm_printer p; | |
a7691785 | 4962 | struct amdgpu_coredump_info *coredump = data; |
3d8785f6 SA |
4963 | struct drm_print_iterator iter; |
4964 | int i; | |
4965 | ||
4966 | iter.data = buffer; | |
4967 | iter.offset = 0; | |
4968 | iter.start = offset; | |
4969 | iter.remain = count; | |
4970 | ||
4971 | p = drm_coredump_printer(&iter); | |
4972 | ||
4973 | drm_printf(&p, "**** AMDGPU Device Coredump ****\n"); | |
4974 | drm_printf(&p, "kernel: " UTS_RELEASE "\n"); | |
4975 | drm_printf(&p, "module: " KBUILD_MODNAME "\n"); | |
a7691785 AA |
4976 | drm_printf(&p, "time: %lld.%09ld\n", coredump->reset_time.tv_sec, coredump->reset_time.tv_nsec); |
4977 | if (coredump->reset_task_info.pid) | |
3d8785f6 | 4978 | drm_printf(&p, "process_name: %s PID: %d\n", |
a7691785 AA |
4979 | coredump->reset_task_info.process_name, |
4980 | coredump->reset_task_info.pid); | |
3d8785f6 | 4981 | |
a7691785 | 4982 | if (coredump->reset_vram_lost) |
3d8785f6 | 4983 | drm_printf(&p, "VRAM is lost due to GPU reset!\n"); |
a7691785 | 4984 | if (coredump->adev->num_regs) { |
3d8785f6 SA |
4985 | drm_printf(&p, "AMDGPU register dumps:\nOffset: Value:\n"); |
4986 | ||
a7691785 | 4987 | for (i = 0; i < coredump->adev->num_regs; i++) |
3d8785f6 | 4988 | drm_printf(&p, "0x%08x: 0x%08x\n", |
a7691785 AA |
4989 | coredump->adev->reset_dump_reg_list[i], |
4990 | coredump->adev->reset_dump_reg_value[i]); | |
3d8785f6 SA |
4991 | } |
4992 | ||
4993 | return count - iter.remain; | |
4994 | } | |
4995 | ||
4996 | static void amdgpu_devcoredump_free(void *data) | |
4997 | { | |
a7691785 | 4998 | kfree(data); |
3d8785f6 SA |
4999 | } |
5000 | ||
a7691785 AA |
5001 | static void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost, |
5002 | struct amdgpu_reset_context *reset_context) | |
3d8785f6 | 5003 | { |
a7691785 | 5004 | struct amdgpu_coredump_info *coredump; |
3d8785f6 SA |
5005 | struct drm_device *dev = adev_to_drm(adev); |
5006 | ||
a7691785 AA |
5007 | coredump = kzalloc(sizeof(*coredump), GFP_NOWAIT); |
5008 | ||
5009 | if (!coredump) { | |
5010 | DRM_ERROR("%s: failed to allocate memory for coredump\n", __func__); | |
5011 | return; | |
5012 | } | |
5013 | ||
5014 | coredump->reset_vram_lost = vram_lost; | |
5015 | ||
5016 | if (reset_context->job && reset_context->job->vm) | |
5017 | coredump->reset_task_info = reset_context->job->vm->task_info; | |
5018 | ||
5019 | coredump->adev = adev; | |
5020 | ||
5021 | ktime_get_ts64(&coredump->reset_time); | |
5022 | ||
5023 | dev_coredumpm(dev->dev, THIS_MODULE, coredump, 0, GFP_NOWAIT, | |
3d8785f6 SA |
5024 | amdgpu_devcoredump_read, amdgpu_devcoredump_free); |
5025 | } | |
5026 | #endif | |
5027 | ||
04442bf7 LL |
5028 | int amdgpu_do_asic_reset(struct list_head *device_list_handle, |
5029 | struct amdgpu_reset_context *reset_context) | |
26bc5340 AG |
5030 | { |
5031 | struct amdgpu_device *tmp_adev = NULL; | |
04442bf7 | 5032 | bool need_full_reset, skip_hw_reset, vram_lost = false; |
26bc5340 | 5033 | int r = 0; |
f5c7e779 | 5034 | bool gpu_reset_for_dev_remove = 0; |
26bc5340 | 5035 | |
04442bf7 LL |
5036 | /* Try reset handler method first */ |
5037 | tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, | |
5038 | reset_list); | |
15fd09a0 | 5039 | amdgpu_reset_reg_dumps(tmp_adev); |
0a83bb35 LL |
5040 | |
5041 | reset_context->reset_device_list = device_list_handle; | |
04442bf7 | 5042 | r = amdgpu_reset_perform_reset(tmp_adev, reset_context); |
404b277b | 5043 | /* If reset handler not implemented, continue; otherwise return */ |
b8920e1e | 5044 | if (r == -EOPNOTSUPP) |
404b277b LL |
5045 | r = 0; |
5046 | else | |
04442bf7 LL |
5047 | return r; |
5048 | ||
5049 | /* Reset handler not implemented, use the default method */ | |
5050 | need_full_reset = | |
5051 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
5052 | skip_hw_reset = test_bit(AMDGPU_SKIP_HW_RESET, &reset_context->flags); | |
5053 | ||
f5c7e779 YC |
5054 | gpu_reset_for_dev_remove = |
5055 | test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) && | |
5056 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
5057 | ||
26bc5340 | 5058 | /* |
655ce9cb | 5059 | * ASIC reset has to be done on all XGMI hive nodes ASAP |
26bc5340 AG |
5060 | * to allow proper links negotiation in FW (within 1 sec) |
5061 | */ | |
7ac71382 | 5062 | if (!skip_hw_reset && need_full_reset) { |
655ce9cb | 5063 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
041a62bc | 5064 | /* For XGMI run all resets in parallel to speed up the process */ |
d4535e2c | 5065 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
e3c1b071 | 5066 | tmp_adev->gmc.xgmi.pending_reset = false; |
c96cf282 | 5067 | if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) |
d4535e2c AG |
5068 | r = -EALREADY; |
5069 | } else | |
5070 | r = amdgpu_asic_reset(tmp_adev); | |
d4535e2c | 5071 | |
041a62bc | 5072 | if (r) { |
aac89168 | 5073 | dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 5074 | r, adev_to_drm(tmp_adev)->unique); |
041a62bc | 5075 | break; |
ce316fa5 LM |
5076 | } |
5077 | } | |
5078 | ||
041a62bc AG |
5079 | /* For XGMI wait for all resets to complete before proceed */ |
5080 | if (!r) { | |
655ce9cb | 5081 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
ce316fa5 LM |
5082 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
5083 | flush_work(&tmp_adev->xgmi_reset_work); | |
5084 | r = tmp_adev->asic_reset_res; | |
5085 | if (r) | |
5086 | break; | |
ce316fa5 LM |
5087 | } |
5088 | } | |
5089 | } | |
ce316fa5 | 5090 | } |
26bc5340 | 5091 | |
43c4d576 | 5092 | if (!r && amdgpu_ras_intr_triggered()) { |
655ce9cb | 5093 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
5e67bba3 | 5094 | if (tmp_adev->mmhub.ras && tmp_adev->mmhub.ras->ras_block.hw_ops && |
5095 | tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count) | |
5096 | tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(tmp_adev); | |
43c4d576 JC |
5097 | } |
5098 | ||
00eaa571 | 5099 | amdgpu_ras_intr_cleared(); |
43c4d576 | 5100 | } |
00eaa571 | 5101 | |
f5c7e779 YC |
5102 | /* Since the mode1 reset affects base ip blocks, the |
5103 | * phase1 ip blocks need to be resumed. Otherwise there | |
5104 | * will be a BIOS signature error and the psp bootloader | |
5105 | * can't load kdb on the next amdgpu install. | |
5106 | */ | |
5107 | if (gpu_reset_for_dev_remove) { | |
5108 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) | |
5109 | amdgpu_device_ip_resume_phase1(tmp_adev); | |
5110 | ||
5111 | goto end; | |
5112 | } | |
5113 | ||
655ce9cb | 5114 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
26bc5340 AG |
5115 | if (need_full_reset) { |
5116 | /* post card */ | |
e3c1b071 | 5117 | r = amdgpu_device_asic_init(tmp_adev); |
5118 | if (r) { | |
aac89168 | 5119 | dev_warn(tmp_adev->dev, "asic atom init failed!"); |
e3c1b071 | 5120 | } else { |
26bc5340 | 5121 | dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); |
9cec53c1 | 5122 | |
26bc5340 AG |
5123 | r = amdgpu_device_ip_resume_phase1(tmp_adev); |
5124 | if (r) | |
5125 | goto out; | |
5126 | ||
5127 | vram_lost = amdgpu_device_check_vram_lost(tmp_adev); | |
a7691785 AA |
5128 | |
5129 | amdgpu_coredump(tmp_adev, vram_lost, reset_context); | |
5130 | ||
26bc5340 | 5131 | if (vram_lost) { |
77e7f829 | 5132 | DRM_INFO("VRAM is lost due to GPU reset!\n"); |
e3526257 | 5133 | amdgpu_inc_vram_lost(tmp_adev); |
26bc5340 AG |
5134 | } |
5135 | ||
26bc5340 AG |
5136 | r = amdgpu_device_fw_loading(tmp_adev); |
5137 | if (r) | |
5138 | return r; | |
5139 | ||
5140 | r = amdgpu_device_ip_resume_phase2(tmp_adev); | |
5141 | if (r) | |
5142 | goto out; | |
5143 | ||
5144 | if (vram_lost) | |
5145 | amdgpu_device_fill_reset_magic(tmp_adev); | |
5146 | ||
fdafb359 EQ |
5147 | /* |
5148 | * Add this ASIC as tracked as reset was already | |
5149 | * complete successfully. | |
5150 | */ | |
5151 | amdgpu_register_gpu_instance(tmp_adev); | |
5152 | ||
04442bf7 LL |
5153 | if (!reset_context->hive && |
5154 | tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
e3c1b071 | 5155 | amdgpu_xgmi_add_device(tmp_adev); |
5156 | ||
7c04ca50 | 5157 | r = amdgpu_device_ip_late_init(tmp_adev); |
5158 | if (r) | |
5159 | goto out; | |
5160 | ||
087451f3 | 5161 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, false); |
565d1941 | 5162 | |
e8fbaf03 GC |
5163 | /* |
5164 | * The GPU enters bad state once faulty pages | |
5165 | * by ECC has reached the threshold, and ras | |
5166 | * recovery is scheduled next. So add one check | |
5167 | * here to break recovery if it indeed exceeds | |
5168 | * bad page threshold, and remind user to | |
5169 | * retire this GPU or setting one bigger | |
5170 | * bad_page_threshold value to fix this once | |
5171 | * probing driver again. | |
5172 | */ | |
11003c68 | 5173 | if (!amdgpu_ras_eeprom_check_err_threshold(tmp_adev)) { |
e8fbaf03 GC |
5174 | /* must succeed. */ |
5175 | amdgpu_ras_resume(tmp_adev); | |
5176 | } else { | |
5177 | r = -EINVAL; | |
5178 | goto out; | |
5179 | } | |
e79a04d5 | 5180 | |
26bc5340 | 5181 | /* Update PSP FW topology after reset */ |
04442bf7 LL |
5182 | if (reset_context->hive && |
5183 | tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
5184 | r = amdgpu_xgmi_update_topology( | |
5185 | reset_context->hive, tmp_adev); | |
26bc5340 AG |
5186 | } |
5187 | } | |
5188 | ||
26bc5340 AG |
5189 | out: |
5190 | if (!r) { | |
5191 | amdgpu_irq_gpu_reset_resume_helper(tmp_adev); | |
5192 | r = amdgpu_ib_ring_tests(tmp_adev); | |
5193 | if (r) { | |
5194 | dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); | |
26bc5340 AG |
5195 | need_full_reset = true; |
5196 | r = -EAGAIN; | |
5197 | goto end; | |
5198 | } | |
5199 | } | |
5200 | ||
5201 | if (!r) | |
5202 | r = amdgpu_device_recover_vram(tmp_adev); | |
5203 | else | |
5204 | tmp_adev->asic_reset_res = r; | |
5205 | } | |
5206 | ||
5207 | end: | |
04442bf7 LL |
5208 | if (need_full_reset) |
5209 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
5210 | else | |
5211 | clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
26bc5340 AG |
5212 | return r; |
5213 | } | |
5214 | ||
e923be99 | 5215 | static void amdgpu_device_set_mp1_state(struct amdgpu_device *adev) |
26bc5340 | 5216 | { |
5740682e | 5217 | |
a3a09142 AD |
5218 | switch (amdgpu_asic_reset_method(adev)) { |
5219 | case AMD_RESET_METHOD_MODE1: | |
5220 | adev->mp1_state = PP_MP1_STATE_SHUTDOWN; | |
5221 | break; | |
5222 | case AMD_RESET_METHOD_MODE2: | |
5223 | adev->mp1_state = PP_MP1_STATE_RESET; | |
5224 | break; | |
5225 | default: | |
5226 | adev->mp1_state = PP_MP1_STATE_NONE; | |
5227 | break; | |
5228 | } | |
26bc5340 | 5229 | } |
d38ceaf9 | 5230 | |
e923be99 | 5231 | static void amdgpu_device_unset_mp1_state(struct amdgpu_device *adev) |
26bc5340 | 5232 | { |
89041940 | 5233 | amdgpu_vf_error_trans_all(adev); |
a3a09142 | 5234 | adev->mp1_state = PP_MP1_STATE_NONE; |
91fb309d HC |
5235 | } |
5236 | ||
3f12acc8 EQ |
5237 | static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev) |
5238 | { | |
5239 | struct pci_dev *p = NULL; | |
5240 | ||
5241 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
5242 | adev->pdev->bus->number, 1); | |
5243 | if (p) { | |
5244 | pm_runtime_enable(&(p->dev)); | |
5245 | pm_runtime_resume(&(p->dev)); | |
5246 | } | |
b85e285e YY |
5247 | |
5248 | pci_dev_put(p); | |
3f12acc8 EQ |
5249 | } |
5250 | ||
5251 | static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev) | |
5252 | { | |
5253 | enum amd_reset_method reset_method; | |
5254 | struct pci_dev *p = NULL; | |
5255 | u64 expires; | |
5256 | ||
5257 | /* | |
5258 | * For now, only BACO and mode1 reset are confirmed | |
5259 | * to suffer the audio issue without proper suspended. | |
5260 | */ | |
5261 | reset_method = amdgpu_asic_reset_method(adev); | |
5262 | if ((reset_method != AMD_RESET_METHOD_BACO) && | |
5263 | (reset_method != AMD_RESET_METHOD_MODE1)) | |
5264 | return -EINVAL; | |
5265 | ||
5266 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
5267 | adev->pdev->bus->number, 1); | |
5268 | if (!p) | |
5269 | return -ENODEV; | |
5270 | ||
5271 | expires = pm_runtime_autosuspend_expiration(&(p->dev)); | |
5272 | if (!expires) | |
5273 | /* | |
5274 | * If we cannot get the audio device autosuspend delay, | |
5275 | * a fixed 4S interval will be used. Considering 3S is | |
5276 | * the audio controller default autosuspend delay setting. | |
5277 | * 4S used here is guaranteed to cover that. | |
5278 | */ | |
54b7feb9 | 5279 | expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC * 4ULL; |
3f12acc8 EQ |
5280 | |
5281 | while (!pm_runtime_status_suspended(&(p->dev))) { | |
5282 | if (!pm_runtime_suspend(&(p->dev))) | |
5283 | break; | |
5284 | ||
5285 | if (expires < ktime_get_mono_fast_ns()) { | |
5286 | dev_warn(adev->dev, "failed to suspend display audio\n"); | |
b85e285e | 5287 | pci_dev_put(p); |
3f12acc8 EQ |
5288 | /* TODO: abort the succeeding gpu reset? */ |
5289 | return -ETIMEDOUT; | |
5290 | } | |
5291 | } | |
5292 | ||
5293 | pm_runtime_disable(&(p->dev)); | |
5294 | ||
b85e285e | 5295 | pci_dev_put(p); |
3f12acc8 EQ |
5296 | return 0; |
5297 | } | |
5298 | ||
d193b12b | 5299 | static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev) |
247c7b0d AG |
5300 | { |
5301 | struct amdgpu_ras *con = amdgpu_ras_get_context(adev); | |
5302 | ||
5303 | #if defined(CONFIG_DEBUG_FS) | |
5304 | if (!amdgpu_sriov_vf(adev)) | |
5305 | cancel_work(&adev->reset_work); | |
5306 | #endif | |
5307 | ||
5308 | if (adev->kfd.dev) | |
5309 | cancel_work(&adev->kfd.reset_work); | |
5310 | ||
5311 | if (amdgpu_sriov_vf(adev)) | |
5312 | cancel_work(&adev->virt.flr_work); | |
5313 | ||
5314 | if (con && adev->ras_enabled) | |
5315 | cancel_work(&con->recovery_work); | |
5316 | ||
5317 | } | |
5318 | ||
26bc5340 | 5319 | /** |
6e9c65f7 | 5320 | * amdgpu_device_gpu_recover - reset the asic and recover scheduler |
26bc5340 | 5321 | * |
982a820b | 5322 | * @adev: amdgpu_device pointer |
26bc5340 | 5323 | * @job: which job trigger hang |
80bd2de1 | 5324 | * @reset_context: amdgpu reset context pointer |
26bc5340 AG |
5325 | * |
5326 | * Attempt to reset the GPU if it has hung (all asics). | |
5327 | * Attempt to do soft-reset or full-reset and reinitialize Asic | |
5328 | * Returns 0 for success or an error on failure. | |
5329 | */ | |
5330 | ||
cf727044 | 5331 | int amdgpu_device_gpu_recover(struct amdgpu_device *adev, |
f1549c09 LG |
5332 | struct amdgpu_job *job, |
5333 | struct amdgpu_reset_context *reset_context) | |
26bc5340 | 5334 | { |
1d721ed6 | 5335 | struct list_head device_list, *device_list_handle = NULL; |
7dd8c205 | 5336 | bool job_signaled = false; |
26bc5340 | 5337 | struct amdgpu_hive_info *hive = NULL; |
26bc5340 | 5338 | struct amdgpu_device *tmp_adev = NULL; |
1d721ed6 | 5339 | int i, r = 0; |
bb5c7235 | 5340 | bool need_emergency_restart = false; |
3f12acc8 | 5341 | bool audio_suspended = false; |
f5c7e779 YC |
5342 | bool gpu_reset_for_dev_remove = false; |
5343 | ||
5344 | gpu_reset_for_dev_remove = | |
5345 | test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) && | |
5346 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
26bc5340 | 5347 | |
6e3cd2a9 | 5348 | /* |
bb5c7235 WS |
5349 | * Special case: RAS triggered and full reset isn't supported |
5350 | */ | |
5351 | need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); | |
5352 | ||
d5ea093e AG |
5353 | /* |
5354 | * Flush RAM to disk so that after reboot | |
5355 | * the user can read log and see why the system rebooted. | |
5356 | */ | |
bb5c7235 | 5357 | if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) { |
d5ea093e AG |
5358 | DRM_WARN("Emergency reboot."); |
5359 | ||
5360 | ksys_sync_helper(); | |
5361 | emergency_restart(); | |
5362 | } | |
5363 | ||
b823821f | 5364 | dev_info(adev->dev, "GPU %s begin!\n", |
bb5c7235 | 5365 | need_emergency_restart ? "jobs stop":"reset"); |
26bc5340 | 5366 | |
175ac6ec ZL |
5367 | if (!amdgpu_sriov_vf(adev)) |
5368 | hive = amdgpu_get_xgmi_hive(adev); | |
681260df | 5369 | if (hive) |
53b3f8f4 | 5370 | mutex_lock(&hive->hive_lock); |
26bc5340 | 5371 | |
f1549c09 LG |
5372 | reset_context->job = job; |
5373 | reset_context->hive = hive; | |
9e94d22c EQ |
5374 | /* |
5375 | * Build list of devices to reset. | |
5376 | * In case we are in XGMI hive mode, resort the device list | |
5377 | * to put adev in the 1st position. | |
5378 | */ | |
5379 | INIT_LIST_HEAD(&device_list); | |
175ac6ec | 5380 | if (!amdgpu_sriov_vf(adev) && (adev->gmc.xgmi.num_physical_nodes > 1)) { |
83d29a5f | 5381 | list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { |
655ce9cb | 5382 | list_add_tail(&tmp_adev->reset_list, &device_list); |
83d29a5f YC |
5383 | if (gpu_reset_for_dev_remove && adev->shutdown) |
5384 | tmp_adev->shutdown = true; | |
5385 | } | |
655ce9cb | 5386 | if (!list_is_first(&adev->reset_list, &device_list)) |
5387 | list_rotate_to_front(&adev->reset_list, &device_list); | |
5388 | device_list_handle = &device_list; | |
26bc5340 | 5389 | } else { |
655ce9cb | 5390 | list_add_tail(&adev->reset_list, &device_list); |
26bc5340 AG |
5391 | device_list_handle = &device_list; |
5392 | } | |
5393 | ||
e923be99 AG |
5394 | /* We need to lock reset domain only once both for XGMI and single device */ |
5395 | tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, | |
5396 | reset_list); | |
3675c2f2 | 5397 | amdgpu_device_lock_reset_domain(tmp_adev->reset_domain); |
e923be99 | 5398 | |
1d721ed6 | 5399 | /* block all schedulers and reset given job's ring */ |
655ce9cb | 5400 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
f287a3c5 | 5401 | |
e923be99 | 5402 | amdgpu_device_set_mp1_state(tmp_adev); |
f287a3c5 | 5403 | |
3f12acc8 EQ |
5404 | /* |
5405 | * Try to put the audio codec into suspend state | |
5406 | * before gpu reset started. | |
5407 | * | |
5408 | * Due to the power domain of the graphics device | |
5409 | * is shared with AZ power domain. Without this, | |
5410 | * we may change the audio hardware from behind | |
5411 | * the audio driver's back. That will trigger | |
5412 | * some audio codec errors. | |
5413 | */ | |
5414 | if (!amdgpu_device_suspend_display_audio(tmp_adev)) | |
5415 | audio_suspended = true; | |
5416 | ||
9e94d22c EQ |
5417 | amdgpu_ras_set_error_query_ready(tmp_adev, false); |
5418 | ||
52fb44cf EQ |
5419 | cancel_delayed_work_sync(&tmp_adev->delayed_init_work); |
5420 | ||
c004d44e | 5421 | if (!amdgpu_sriov_vf(tmp_adev)) |
428890a3 | 5422 | amdgpu_amdkfd_pre_reset(tmp_adev); |
9e94d22c | 5423 | |
12ffa55d AG |
5424 | /* |
5425 | * Mark these ASICs to be reseted as untracked first | |
5426 | * And add them back after reset completed | |
5427 | */ | |
5428 | amdgpu_unregister_gpu_instance(tmp_adev); | |
5429 | ||
163d4cd2 | 5430 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, true); |
565d1941 | 5431 | |
f1c1314b | 5432 | /* disable ras on ALL IPs */ |
bb5c7235 | 5433 | if (!need_emergency_restart && |
b823821f | 5434 | amdgpu_device_ip_need_full_reset(tmp_adev)) |
f1c1314b | 5435 | amdgpu_ras_suspend(tmp_adev); |
5436 | ||
1d721ed6 AG |
5437 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
5438 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
5439 | ||
5440 | if (!ring || !ring->sched.thread) | |
5441 | continue; | |
5442 | ||
0b2d2c2e | 5443 | drm_sched_stop(&ring->sched, job ? &job->base : NULL); |
7c6e68c7 | 5444 | |
bb5c7235 | 5445 | if (need_emergency_restart) |
7c6e68c7 | 5446 | amdgpu_job_stop_all_jobs_on_sched(&ring->sched); |
1d721ed6 | 5447 | } |
8f8c80f4 | 5448 | atomic_inc(&tmp_adev->gpu_reset_counter); |
1d721ed6 AG |
5449 | } |
5450 | ||
bb5c7235 | 5451 | if (need_emergency_restart) |
7c6e68c7 AG |
5452 | goto skip_sched_resume; |
5453 | ||
1d721ed6 AG |
5454 | /* |
5455 | * Must check guilty signal here since after this point all old | |
5456 | * HW fences are force signaled. | |
5457 | * | |
5458 | * job->base holds a reference to parent fence | |
5459 | */ | |
f6a3f660 | 5460 | if (job && dma_fence_is_signaled(&job->hw_fence)) { |
1d721ed6 | 5461 | job_signaled = true; |
1d721ed6 AG |
5462 | dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); |
5463 | goto skip_hw_reset; | |
5464 | } | |
5465 | ||
26bc5340 | 5466 | retry: /* Rest of adevs pre asic reset from XGMI hive. */ |
655ce9cb | 5467 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
f5c7e779 YC |
5468 | if (gpu_reset_for_dev_remove) { |
5469 | /* Workaroud for ASICs need to disable SMC first */ | |
5470 | amdgpu_device_smu_fini_early(tmp_adev); | |
5471 | } | |
f1549c09 | 5472 | r = amdgpu_device_pre_asic_reset(tmp_adev, reset_context); |
26bc5340 AG |
5473 | /*TODO Should we stop ?*/ |
5474 | if (r) { | |
aac89168 | 5475 | dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ", |
4a580877 | 5476 | r, adev_to_drm(tmp_adev)->unique); |
26bc5340 AG |
5477 | tmp_adev->asic_reset_res = r; |
5478 | } | |
247c7b0d AG |
5479 | |
5480 | /* | |
5481 | * Drop all pending non scheduler resets. Scheduler resets | |
5482 | * were already dropped during drm_sched_stop | |
5483 | */ | |
d193b12b | 5484 | amdgpu_device_stop_pending_resets(tmp_adev); |
26bc5340 AG |
5485 | } |
5486 | ||
5487 | /* Actual ASIC resets if needed.*/ | |
4f30d920 | 5488 | /* Host driver will handle XGMI hive reset for SRIOV */ |
26bc5340 AG |
5489 | if (amdgpu_sriov_vf(adev)) { |
5490 | r = amdgpu_device_reset_sriov(adev, job ? false : true); | |
5491 | if (r) | |
5492 | adev->asic_reset_res = r; | |
950d6425 | 5493 | |
28606c4e | 5494 | /* Aldebaran and gfx_11_0_3 support ras in SRIOV, so need resume ras during reset */ |
4e8303cf LL |
5495 | if (amdgpu_ip_version(adev, GC_HWIP, 0) == |
5496 | IP_VERSION(9, 4, 2) || | |
5497 | amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(11, 0, 3)) | |
950d6425 | 5498 | amdgpu_ras_resume(adev); |
26bc5340 | 5499 | } else { |
f1549c09 | 5500 | r = amdgpu_do_asic_reset(device_list_handle, reset_context); |
b98a1648 | 5501 | if (r && r == -EAGAIN) |
26bc5340 | 5502 | goto retry; |
f5c7e779 YC |
5503 | |
5504 | if (!r && gpu_reset_for_dev_remove) | |
5505 | goto recover_end; | |
26bc5340 AG |
5506 | } |
5507 | ||
1d721ed6 AG |
5508 | skip_hw_reset: |
5509 | ||
26bc5340 | 5510 | /* Post ASIC reset for all devs .*/ |
655ce9cb | 5511 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
7c6e68c7 | 5512 | |
1d721ed6 AG |
5513 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
5514 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
5515 | ||
5516 | if (!ring || !ring->sched.thread) | |
5517 | continue; | |
5518 | ||
6868a2c4 | 5519 | drm_sched_start(&ring->sched, true); |
1d721ed6 AG |
5520 | } |
5521 | ||
4e8303cf LL |
5522 | if (adev->enable_mes && |
5523 | amdgpu_ip_version(adev, GC_HWIP, 0) != IP_VERSION(11, 0, 3)) | |
ed67f729 JX |
5524 | amdgpu_mes_self_test(tmp_adev); |
5525 | ||
b8920e1e | 5526 | if (!drm_drv_uses_atomic_modeset(adev_to_drm(tmp_adev)) && !job_signaled) |
4a580877 | 5527 | drm_helper_resume_force_mode(adev_to_drm(tmp_adev)); |
1d721ed6 | 5528 | |
7258fa31 SK |
5529 | if (tmp_adev->asic_reset_res) |
5530 | r = tmp_adev->asic_reset_res; | |
5531 | ||
1d721ed6 | 5532 | tmp_adev->asic_reset_res = 0; |
26bc5340 AG |
5533 | |
5534 | if (r) { | |
5535 | /* bad news, how to tell it to userspace ? */ | |
12ffa55d | 5536 | dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 AG |
5537 | amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
5538 | } else { | |
12ffa55d | 5539 | dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
3fa8f89d S |
5540 | if (amdgpu_acpi_smart_shift_update(adev_to_drm(tmp_adev), AMDGPU_SS_DEV_D0)) |
5541 | DRM_WARN("smart shift update failed\n"); | |
26bc5340 | 5542 | } |
7c6e68c7 | 5543 | } |
26bc5340 | 5544 | |
7c6e68c7 | 5545 | skip_sched_resume: |
655ce9cb | 5546 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
428890a3 | 5547 | /* unlock kfd: SRIOV would do it separately */ |
c004d44e | 5548 | if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)) |
428890a3 | 5549 | amdgpu_amdkfd_post_reset(tmp_adev); |
8e2712e7 | 5550 | |
5551 | /* kfd_post_reset will do nothing if kfd device is not initialized, | |
5552 | * need to bring up kfd here if it's not be initialized before | |
5553 | */ | |
5554 | if (!adev->kfd.init_complete) | |
5555 | amdgpu_amdkfd_device_init(adev); | |
5556 | ||
3f12acc8 EQ |
5557 | if (audio_suspended) |
5558 | amdgpu_device_resume_display_audio(tmp_adev); | |
e923be99 AG |
5559 | |
5560 | amdgpu_device_unset_mp1_state(tmp_adev); | |
d293470e YC |
5561 | |
5562 | amdgpu_ras_set_error_query_ready(tmp_adev, true); | |
26bc5340 AG |
5563 | } |
5564 | ||
f5c7e779 | 5565 | recover_end: |
e923be99 AG |
5566 | tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, |
5567 | reset_list); | |
5568 | amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain); | |
5569 | ||
9e94d22c | 5570 | if (hive) { |
9e94d22c | 5571 | mutex_unlock(&hive->hive_lock); |
d95e8e97 | 5572 | amdgpu_put_xgmi_hive(hive); |
9e94d22c | 5573 | } |
26bc5340 | 5574 | |
f287a3c5 | 5575 | if (r) |
26bc5340 | 5576 | dev_info(adev->dev, "GPU reset end with ret = %d\n", r); |
ab9a0b1f AG |
5577 | |
5578 | atomic_set(&adev->reset_domain->reset_res, r); | |
d38ceaf9 AD |
5579 | return r; |
5580 | } | |
5581 | ||
e3ecdffa AD |
5582 | /** |
5583 | * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot | |
5584 | * | |
5585 | * @adev: amdgpu_device pointer | |
5586 | * | |
5587 | * Fetchs and stores in the driver the PCIE capabilities (gen speed | |
5588 | * and lanes) of the slot the device is in. Handles APUs and | |
5589 | * virtualized environments where PCIE config space may not be available. | |
5590 | */ | |
5494d864 | 5591 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) |
d0dd7f0c | 5592 | { |
5d9a6330 | 5593 | struct pci_dev *pdev; |
c5313457 HK |
5594 | enum pci_bus_speed speed_cap, platform_speed_cap; |
5595 | enum pcie_link_width platform_link_width; | |
d0dd7f0c | 5596 | |
cd474ba0 AD |
5597 | if (amdgpu_pcie_gen_cap) |
5598 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 5599 | |
cd474ba0 AD |
5600 | if (amdgpu_pcie_lane_cap) |
5601 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 5602 | |
cd474ba0 | 5603 | /* covers APUs as well */ |
04e85958 | 5604 | if (pci_is_root_bus(adev->pdev->bus) && !amdgpu_passthrough(adev)) { |
cd474ba0 AD |
5605 | if (adev->pm.pcie_gen_mask == 0) |
5606 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
5607 | if (adev->pm.pcie_mlw_mask == 0) | |
5608 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 5609 | return; |
cd474ba0 | 5610 | } |
d0dd7f0c | 5611 | |
c5313457 HK |
5612 | if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) |
5613 | return; | |
5614 | ||
dbaa922b AD |
5615 | pcie_bandwidth_available(adev->pdev, NULL, |
5616 | &platform_speed_cap, &platform_link_width); | |
c5313457 | 5617 | |
cd474ba0 | 5618 | if (adev->pm.pcie_gen_mask == 0) { |
5d9a6330 AD |
5619 | /* asic caps */ |
5620 | pdev = adev->pdev; | |
5621 | speed_cap = pcie_get_speed_cap(pdev); | |
5622 | if (speed_cap == PCI_SPEED_UNKNOWN) { | |
5623 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
cd474ba0 AD |
5624 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | |
5625 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
cd474ba0 | 5626 | } else { |
2b3a1f51 FX |
5627 | if (speed_cap == PCIE_SPEED_32_0GT) |
5628 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5629 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5630 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5631 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4 | | |
5632 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN5); | |
5633 | else if (speed_cap == PCIE_SPEED_16_0GT) | |
5d9a6330 AD |
5634 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5635 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5636 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5637 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
5638 | else if (speed_cap == PCIE_SPEED_8_0GT) | |
5639 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5640 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5641 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
5642 | else if (speed_cap == PCIE_SPEED_5_0GT) | |
5643 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5644 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5645 | else | |
5646 | adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
5647 | } | |
5648 | /* platform caps */ | |
c5313457 | 5649 | if (platform_speed_cap == PCI_SPEED_UNKNOWN) { |
5d9a6330 AD |
5650 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5651 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5652 | } else { | |
2b3a1f51 FX |
5653 | if (platform_speed_cap == PCIE_SPEED_32_0GT) |
5654 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5655 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5656 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5657 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4 | | |
5658 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5); | |
5659 | else if (platform_speed_cap == PCIE_SPEED_16_0GT) | |
5d9a6330 AD |
5660 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5661 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5662 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5663 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
c5313457 | 5664 | else if (platform_speed_cap == PCIE_SPEED_8_0GT) |
5d9a6330 AD |
5665 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5666 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5667 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
c5313457 | 5668 | else if (platform_speed_cap == PCIE_SPEED_5_0GT) |
5d9a6330 AD |
5669 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5670 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5671 | else | |
5672 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
5673 | ||
cd474ba0 AD |
5674 | } |
5675 | } | |
5676 | if (adev->pm.pcie_mlw_mask == 0) { | |
c5313457 | 5677 | if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { |
5d9a6330 AD |
5678 | adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; |
5679 | } else { | |
c5313457 | 5680 | switch (platform_link_width) { |
5d9a6330 | 5681 | case PCIE_LNK_X32: |
cd474ba0 AD |
5682 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | |
5683 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
5684 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
5685 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5686 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5687 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5688 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5689 | break; | |
5d9a6330 | 5690 | case PCIE_LNK_X16: |
cd474ba0 AD |
5691 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | |
5692 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
5693 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5694 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5695 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5696 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5697 | break; | |
5d9a6330 | 5698 | case PCIE_LNK_X12: |
cd474ba0 AD |
5699 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | |
5700 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5701 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5702 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5703 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5704 | break; | |
5d9a6330 | 5705 | case PCIE_LNK_X8: |
cd474ba0 AD |
5706 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | |
5707 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5708 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5709 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5710 | break; | |
5d9a6330 | 5711 | case PCIE_LNK_X4: |
cd474ba0 AD |
5712 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | |
5713 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5714 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5715 | break; | |
5d9a6330 | 5716 | case PCIE_LNK_X2: |
cd474ba0 AD |
5717 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | |
5718 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5719 | break; | |
5d9a6330 | 5720 | case PCIE_LNK_X1: |
cd474ba0 AD |
5721 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; |
5722 | break; | |
5723 | default: | |
5724 | break; | |
5725 | } | |
d0dd7f0c AD |
5726 | } |
5727 | } | |
5728 | } | |
d38ceaf9 | 5729 | |
08a2fd23 RE |
5730 | /** |
5731 | * amdgpu_device_is_peer_accessible - Check peer access through PCIe BAR | |
5732 | * | |
5733 | * @adev: amdgpu_device pointer | |
5734 | * @peer_adev: amdgpu_device pointer for peer device trying to access @adev | |
5735 | * | |
5736 | * Return true if @peer_adev can access (DMA) @adev through the PCIe | |
5737 | * BAR, i.e. @adev is "large BAR" and the BAR matches the DMA mask of | |
5738 | * @peer_adev. | |
5739 | */ | |
5740 | bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev, | |
5741 | struct amdgpu_device *peer_adev) | |
5742 | { | |
5743 | #ifdef CONFIG_HSA_AMD_P2P | |
5744 | uint64_t address_mask = peer_adev->dev->dma_mask ? | |
5745 | ~*peer_adev->dev->dma_mask : ~((1ULL << 32) - 1); | |
5746 | resource_size_t aper_limit = | |
5747 | adev->gmc.aper_base + adev->gmc.aper_size - 1; | |
bb66ecbf LL |
5748 | bool p2p_access = |
5749 | !adev->gmc.xgmi.connected_to_cpu && | |
5750 | !(pci_p2pdma_distance(adev->pdev, peer_adev->dev, false) < 0); | |
08a2fd23 RE |
5751 | |
5752 | return pcie_p2p && p2p_access && (adev->gmc.visible_vram_size && | |
5753 | adev->gmc.real_vram_size == adev->gmc.visible_vram_size && | |
5754 | !(adev->gmc.aper_base & address_mask || | |
5755 | aper_limit & address_mask)); | |
5756 | #else | |
5757 | return false; | |
5758 | #endif | |
5759 | } | |
5760 | ||
361dbd01 AD |
5761 | int amdgpu_device_baco_enter(struct drm_device *dev) |
5762 | { | |
1348969a | 5763 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 5764 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
361dbd01 | 5765 | |
6ab68650 | 5766 | if (!amdgpu_device_supports_baco(dev)) |
361dbd01 AD |
5767 | return -ENOTSUPP; |
5768 | ||
8ab0d6f0 | 5769 | if (ras && adev->ras_enabled && |
acdae216 | 5770 | adev->nbio.funcs->enable_doorbell_interrupt) |
7a22677b LM |
5771 | adev->nbio.funcs->enable_doorbell_interrupt(adev, false); |
5772 | ||
9530273e | 5773 | return amdgpu_dpm_baco_enter(adev); |
361dbd01 AD |
5774 | } |
5775 | ||
5776 | int amdgpu_device_baco_exit(struct drm_device *dev) | |
5777 | { | |
1348969a | 5778 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 5779 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
9530273e | 5780 | int ret = 0; |
361dbd01 | 5781 | |
6ab68650 | 5782 | if (!amdgpu_device_supports_baco(dev)) |
361dbd01 AD |
5783 | return -ENOTSUPP; |
5784 | ||
9530273e EQ |
5785 | ret = amdgpu_dpm_baco_exit(adev); |
5786 | if (ret) | |
5787 | return ret; | |
7a22677b | 5788 | |
8ab0d6f0 | 5789 | if (ras && adev->ras_enabled && |
acdae216 | 5790 | adev->nbio.funcs->enable_doorbell_interrupt) |
7a22677b LM |
5791 | adev->nbio.funcs->enable_doorbell_interrupt(adev, true); |
5792 | ||
1bece222 CL |
5793 | if (amdgpu_passthrough(adev) && |
5794 | adev->nbio.funcs->clear_doorbell_interrupt) | |
5795 | adev->nbio.funcs->clear_doorbell_interrupt(adev); | |
5796 | ||
7a22677b | 5797 | return 0; |
361dbd01 | 5798 | } |
c9a6b82f AG |
5799 | |
5800 | /** | |
5801 | * amdgpu_pci_error_detected - Called when a PCI error is detected. | |
5802 | * @pdev: PCI device struct | |
5803 | * @state: PCI channel state | |
5804 | * | |
5805 | * Description: Called when a PCI error is detected. | |
5806 | * | |
5807 | * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT. | |
5808 | */ | |
5809 | pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
5810 | { | |
5811 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5812 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 5813 | int i; |
c9a6b82f AG |
5814 | |
5815 | DRM_INFO("PCI error: detected callback, state(%d)!!\n", state); | |
5816 | ||
6894305c AG |
5817 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
5818 | DRM_WARN("No support for XGMI hive yet..."); | |
5819 | return PCI_ERS_RESULT_DISCONNECT; | |
5820 | } | |
5821 | ||
e17e27f9 GC |
5822 | adev->pci_channel_state = state; |
5823 | ||
c9a6b82f AG |
5824 | switch (state) { |
5825 | case pci_channel_io_normal: | |
5826 | return PCI_ERS_RESULT_CAN_RECOVER; | |
acd89fca | 5827 | /* Fatal error, prepare for slot reset */ |
8a11d283 TZ |
5828 | case pci_channel_io_frozen: |
5829 | /* | |
d0fb18b5 | 5830 | * Locking adev->reset_domain->sem will prevent any external access |
acd89fca AG |
5831 | * to GPU during PCI error recovery |
5832 | */ | |
3675c2f2 | 5833 | amdgpu_device_lock_reset_domain(adev->reset_domain); |
e923be99 | 5834 | amdgpu_device_set_mp1_state(adev); |
acd89fca AG |
5835 | |
5836 | /* | |
5837 | * Block any work scheduling as we do for regular GPU reset | |
5838 | * for the duration of the recovery | |
5839 | */ | |
5840 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
5841 | struct amdgpu_ring *ring = adev->rings[i]; | |
5842 | ||
5843 | if (!ring || !ring->sched.thread) | |
5844 | continue; | |
5845 | ||
5846 | drm_sched_stop(&ring->sched, NULL); | |
5847 | } | |
8f8c80f4 | 5848 | atomic_inc(&adev->gpu_reset_counter); |
c9a6b82f AG |
5849 | return PCI_ERS_RESULT_NEED_RESET; |
5850 | case pci_channel_io_perm_failure: | |
5851 | /* Permanent error, prepare for device removal */ | |
5852 | return PCI_ERS_RESULT_DISCONNECT; | |
5853 | } | |
5854 | ||
5855 | return PCI_ERS_RESULT_NEED_RESET; | |
5856 | } | |
5857 | ||
5858 | /** | |
5859 | * amdgpu_pci_mmio_enabled - Enable MMIO and dump debug registers | |
5860 | * @pdev: pointer to PCI device | |
5861 | */ | |
5862 | pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev) | |
5863 | { | |
5864 | ||
5865 | DRM_INFO("PCI error: mmio enabled callback!!\n"); | |
5866 | ||
5867 | /* TODO - dump whatever for debugging purposes */ | |
5868 | ||
5869 | /* This called only if amdgpu_pci_error_detected returns | |
5870 | * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still | |
5871 | * works, no need to reset slot. | |
5872 | */ | |
5873 | ||
5874 | return PCI_ERS_RESULT_RECOVERED; | |
5875 | } | |
5876 | ||
5877 | /** | |
5878 | * amdgpu_pci_slot_reset - Called when PCI slot has been reset. | |
5879 | * @pdev: PCI device struct | |
5880 | * | |
5881 | * Description: This routine is called by the pci error recovery | |
5882 | * code after the PCI slot has been reset, just before we | |
5883 | * should resume normal operations. | |
5884 | */ | |
5885 | pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) | |
5886 | { | |
5887 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5888 | struct amdgpu_device *adev = drm_to_adev(dev); | |
362c7b91 | 5889 | int r, i; |
04442bf7 | 5890 | struct amdgpu_reset_context reset_context; |
362c7b91 | 5891 | u32 memsize; |
7ac71382 | 5892 | struct list_head device_list; |
c9a6b82f AG |
5893 | |
5894 | DRM_INFO("PCI error: slot reset callback!!\n"); | |
5895 | ||
04442bf7 LL |
5896 | memset(&reset_context, 0, sizeof(reset_context)); |
5897 | ||
7ac71382 | 5898 | INIT_LIST_HEAD(&device_list); |
655ce9cb | 5899 | list_add_tail(&adev->reset_list, &device_list); |
7ac71382 | 5900 | |
362c7b91 AG |
5901 | /* wait for asic to come out of reset */ |
5902 | msleep(500); | |
5903 | ||
7ac71382 | 5904 | /* Restore PCI confspace */ |
c1dd4aa6 | 5905 | amdgpu_device_load_pci_state(pdev); |
c9a6b82f | 5906 | |
362c7b91 AG |
5907 | /* confirm ASIC came out of reset */ |
5908 | for (i = 0; i < adev->usec_timeout; i++) { | |
5909 | memsize = amdgpu_asic_get_config_memsize(adev); | |
5910 | ||
5911 | if (memsize != 0xffffffff) | |
5912 | break; | |
5913 | udelay(1); | |
5914 | } | |
5915 | if (memsize == 0xffffffff) { | |
5916 | r = -ETIME; | |
5917 | goto out; | |
5918 | } | |
5919 | ||
04442bf7 LL |
5920 | reset_context.method = AMD_RESET_METHOD_NONE; |
5921 | reset_context.reset_req_dev = adev; | |
5922 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); | |
5923 | set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags); | |
5924 | ||
7afefb81 | 5925 | adev->no_hw_access = true; |
04442bf7 | 5926 | r = amdgpu_device_pre_asic_reset(adev, &reset_context); |
7afefb81 | 5927 | adev->no_hw_access = false; |
c9a6b82f AG |
5928 | if (r) |
5929 | goto out; | |
5930 | ||
04442bf7 | 5931 | r = amdgpu_do_asic_reset(&device_list, &reset_context); |
c9a6b82f AG |
5932 | |
5933 | out: | |
c9a6b82f | 5934 | if (!r) { |
c1dd4aa6 AG |
5935 | if (amdgpu_device_cache_pci_state(adev->pdev)) |
5936 | pci_restore_state(adev->pdev); | |
5937 | ||
c9a6b82f AG |
5938 | DRM_INFO("PCIe error recovery succeeded\n"); |
5939 | } else { | |
5940 | DRM_ERROR("PCIe error recovery failed, err:%d", r); | |
e923be99 AG |
5941 | amdgpu_device_unset_mp1_state(adev); |
5942 | amdgpu_device_unlock_reset_domain(adev->reset_domain); | |
c9a6b82f AG |
5943 | } |
5944 | ||
5945 | return r ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
5946 | } | |
5947 | ||
5948 | /** | |
5949 | * amdgpu_pci_resume() - resume normal ops after PCI reset | |
5950 | * @pdev: pointer to PCI device | |
5951 | * | |
5952 | * Called when the error recovery driver tells us that its | |
505199a3 | 5953 | * OK to resume normal operation. |
c9a6b82f AG |
5954 | */ |
5955 | void amdgpu_pci_resume(struct pci_dev *pdev) | |
5956 | { | |
5957 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5958 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 5959 | int i; |
c9a6b82f | 5960 | |
c9a6b82f AG |
5961 | |
5962 | DRM_INFO("PCI error: resume callback!!\n"); | |
acd89fca | 5963 | |
e17e27f9 GC |
5964 | /* Only continue execution for the case of pci_channel_io_frozen */ |
5965 | if (adev->pci_channel_state != pci_channel_io_frozen) | |
5966 | return; | |
5967 | ||
acd89fca AG |
5968 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
5969 | struct amdgpu_ring *ring = adev->rings[i]; | |
5970 | ||
5971 | if (!ring || !ring->sched.thread) | |
5972 | continue; | |
5973 | ||
acd89fca AG |
5974 | drm_sched_start(&ring->sched, true); |
5975 | } | |
5976 | ||
e923be99 AG |
5977 | amdgpu_device_unset_mp1_state(adev); |
5978 | amdgpu_device_unlock_reset_domain(adev->reset_domain); | |
c9a6b82f | 5979 | } |
c1dd4aa6 AG |
5980 | |
5981 | bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) | |
5982 | { | |
5983 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5984 | struct amdgpu_device *adev = drm_to_adev(dev); | |
5985 | int r; | |
5986 | ||
5987 | r = pci_save_state(pdev); | |
5988 | if (!r) { | |
5989 | kfree(adev->pci_state); | |
5990 | ||
5991 | adev->pci_state = pci_store_saved_state(pdev); | |
5992 | ||
5993 | if (!adev->pci_state) { | |
5994 | DRM_ERROR("Failed to store PCI saved state"); | |
5995 | return false; | |
5996 | } | |
5997 | } else { | |
5998 | DRM_WARN("Failed to save PCI state, err:%d\n", r); | |
5999 | return false; | |
6000 | } | |
6001 | ||
6002 | return true; | |
6003 | } | |
6004 | ||
6005 | bool amdgpu_device_load_pci_state(struct pci_dev *pdev) | |
6006 | { | |
6007 | struct drm_device *dev = pci_get_drvdata(pdev); | |
6008 | struct amdgpu_device *adev = drm_to_adev(dev); | |
6009 | int r; | |
6010 | ||
6011 | if (!adev->pci_state) | |
6012 | return false; | |
6013 | ||
6014 | r = pci_load_saved_state(pdev, adev->pci_state); | |
6015 | ||
6016 | if (!r) { | |
6017 | pci_restore_state(pdev); | |
6018 | } else { | |
6019 | DRM_WARN("Failed to load PCI state, err:%d\n", r); | |
6020 | return false; | |
6021 | } | |
6022 | ||
6023 | return true; | |
6024 | } | |
6025 | ||
810085dd EH |
6026 | void amdgpu_device_flush_hdp(struct amdgpu_device *adev, |
6027 | struct amdgpu_ring *ring) | |
6028 | { | |
6029 | #ifdef CONFIG_X86_64 | |
b818a5d3 | 6030 | if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) |
810085dd EH |
6031 | return; |
6032 | #endif | |
6033 | if (adev->gmc.xgmi.connected_to_cpu) | |
6034 | return; | |
6035 | ||
6036 | if (ring && ring->funcs->emit_hdp_flush) | |
6037 | amdgpu_ring_emit_hdp_flush(ring); | |
6038 | else | |
6039 | amdgpu_asic_flush_hdp(adev, ring); | |
6040 | } | |
c1dd4aa6 | 6041 | |
810085dd EH |
6042 | void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, |
6043 | struct amdgpu_ring *ring) | |
6044 | { | |
6045 | #ifdef CONFIG_X86_64 | |
b818a5d3 | 6046 | if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) |
810085dd EH |
6047 | return; |
6048 | #endif | |
6049 | if (adev->gmc.xgmi.connected_to_cpu) | |
6050 | return; | |
c1dd4aa6 | 6051 | |
810085dd EH |
6052 | amdgpu_asic_invalidate_hdp(adev, ring); |
6053 | } | |
34f3a4a9 | 6054 | |
89a7a870 AG |
6055 | int amdgpu_in_reset(struct amdgpu_device *adev) |
6056 | { | |
6057 | return atomic_read(&adev->reset_domain->in_gpu_reset); | |
53a17b6b TZ |
6058 | } |
6059 | ||
34f3a4a9 LY |
6060 | /** |
6061 | * amdgpu_device_halt() - bring hardware to some kind of halt state | |
6062 | * | |
6063 | * @adev: amdgpu_device pointer | |
6064 | * | |
6065 | * Bring hardware to some kind of halt state so that no one can touch it | |
6066 | * any more. It will help to maintain error context when error occurred. | |
6067 | * Compare to a simple hang, the system will keep stable at least for SSH | |
6068 | * access. Then it should be trivial to inspect the hardware state and | |
6069 | * see what's going on. Implemented as following: | |
6070 | * | |
6071 | * 1. drm_dev_unplug() makes device inaccessible to user space(IOCTLs, etc), | |
6072 | * clears all CPU mappings to device, disallows remappings through page faults | |
6073 | * 2. amdgpu_irq_disable_all() disables all interrupts | |
6074 | * 3. amdgpu_fence_driver_hw_fini() signals all HW fences | |
6075 | * 4. set adev->no_hw_access to avoid potential crashes after setp 5 | |
6076 | * 5. amdgpu_device_unmap_mmio() clears all MMIO mappings | |
6077 | * 6. pci_disable_device() and pci_wait_for_pending_transaction() | |
6078 | * flush any in flight DMA operations | |
6079 | */ | |
6080 | void amdgpu_device_halt(struct amdgpu_device *adev) | |
6081 | { | |
6082 | struct pci_dev *pdev = adev->pdev; | |
e0f943b4 | 6083 | struct drm_device *ddev = adev_to_drm(adev); |
34f3a4a9 | 6084 | |
2c1c7ba4 | 6085 | amdgpu_xcp_dev_unplug(adev); |
34f3a4a9 LY |
6086 | drm_dev_unplug(ddev); |
6087 | ||
6088 | amdgpu_irq_disable_all(adev); | |
6089 | ||
6090 | amdgpu_fence_driver_hw_fini(adev); | |
6091 | ||
6092 | adev->no_hw_access = true; | |
6093 | ||
6094 | amdgpu_device_unmap_mmio(adev); | |
6095 | ||
6096 | pci_disable_device(pdev); | |
6097 | pci_wait_for_pending_transaction(pdev); | |
6098 | } | |
86700a40 XD |
6099 | |
6100 | u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev, | |
6101 | u32 reg) | |
6102 | { | |
6103 | unsigned long flags, address, data; | |
6104 | u32 r; | |
6105 | ||
6106 | address = adev->nbio.funcs->get_pcie_port_index_offset(adev); | |
6107 | data = adev->nbio.funcs->get_pcie_port_data_offset(adev); | |
6108 | ||
6109 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
6110 | WREG32(address, reg * 4); | |
6111 | (void)RREG32(address); | |
6112 | r = RREG32(data); | |
6113 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
6114 | return r; | |
6115 | } | |
6116 | ||
6117 | void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev, | |
6118 | u32 reg, u32 v) | |
6119 | { | |
6120 | unsigned long flags, address, data; | |
6121 | ||
6122 | address = adev->nbio.funcs->get_pcie_port_index_offset(adev); | |
6123 | data = adev->nbio.funcs->get_pcie_port_data_offset(adev); | |
6124 | ||
6125 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
6126 | WREG32(address, reg * 4); | |
6127 | (void)RREG32(address); | |
6128 | WREG32(data, v); | |
6129 | (void)RREG32(data); | |
6130 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
6131 | } | |
68ce8b24 CK |
6132 | |
6133 | /** | |
6134 | * amdgpu_device_switch_gang - switch to a new gang | |
6135 | * @adev: amdgpu_device pointer | |
6136 | * @gang: the gang to switch to | |
6137 | * | |
6138 | * Try to switch to a new gang. | |
6139 | * Returns: NULL if we switched to the new gang or a reference to the current | |
6140 | * gang leader. | |
6141 | */ | |
6142 | struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev, | |
6143 | struct dma_fence *gang) | |
6144 | { | |
6145 | struct dma_fence *old = NULL; | |
6146 | ||
6147 | do { | |
6148 | dma_fence_put(old); | |
6149 | rcu_read_lock(); | |
6150 | old = dma_fence_get_rcu_safe(&adev->gang_submit); | |
6151 | rcu_read_unlock(); | |
6152 | ||
6153 | if (old == gang) | |
6154 | break; | |
6155 | ||
6156 | if (!dma_fence_is_signaled(old)) | |
6157 | return old; | |
6158 | ||
6159 | } while (cmpxchg((struct dma_fence __force **)&adev->gang_submit, | |
6160 | old, gang) != old); | |
6161 | ||
6162 | dma_fence_put(old); | |
6163 | return NULL; | |
6164 | } | |
220c8cc8 AD |
6165 | |
6166 | bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev) | |
6167 | { | |
6168 | switch (adev->asic_type) { | |
6169 | #ifdef CONFIG_DRM_AMDGPU_SI | |
6170 | case CHIP_HAINAN: | |
6171 | #endif | |
6172 | case CHIP_TOPAZ: | |
6173 | /* chips with no display hardware */ | |
6174 | return false; | |
6175 | #ifdef CONFIG_DRM_AMDGPU_SI | |
6176 | case CHIP_TAHITI: | |
6177 | case CHIP_PITCAIRN: | |
6178 | case CHIP_VERDE: | |
6179 | case CHIP_OLAND: | |
6180 | #endif | |
6181 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
6182 | case CHIP_BONAIRE: | |
6183 | case CHIP_HAWAII: | |
6184 | case CHIP_KAVERI: | |
6185 | case CHIP_KABINI: | |
6186 | case CHIP_MULLINS: | |
6187 | #endif | |
6188 | case CHIP_TONGA: | |
6189 | case CHIP_FIJI: | |
6190 | case CHIP_POLARIS10: | |
6191 | case CHIP_POLARIS11: | |
6192 | case CHIP_POLARIS12: | |
6193 | case CHIP_VEGAM: | |
6194 | case CHIP_CARRIZO: | |
6195 | case CHIP_STONEY: | |
6196 | /* chips with display hardware */ | |
6197 | return true; | |
6198 | default: | |
6199 | /* IP discovery */ | |
4e8303cf | 6200 | if (!amdgpu_ip_version(adev, DCE_HWIP, 0) || |
220c8cc8 AD |
6201 | (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) |
6202 | return false; | |
6203 | return true; | |
6204 | } | |
6205 | } | |
81283fee JZ |
6206 | |
6207 | uint32_t amdgpu_device_wait_on_rreg(struct amdgpu_device *adev, | |
6208 | uint32_t inst, uint32_t reg_addr, char reg_name[], | |
6209 | uint32_t expected_value, uint32_t mask) | |
6210 | { | |
6211 | uint32_t ret = 0; | |
6212 | uint32_t old_ = 0; | |
6213 | uint32_t tmp_ = RREG32(reg_addr); | |
6214 | uint32_t loop = adev->usec_timeout; | |
6215 | ||
6216 | while ((tmp_ & (mask)) != (expected_value)) { | |
6217 | if (old_ != tmp_) { | |
6218 | loop = adev->usec_timeout; | |
6219 | old_ = tmp_; | |
6220 | } else | |
6221 | udelay(1); | |
6222 | tmp_ = RREG32(reg_addr); | |
6223 | loop--; | |
6224 | if (!loop) { | |
6225 | DRM_WARN("Register(%d) [%s] failed to reach value 0x%08x != 0x%08xn", | |
6226 | inst, reg_name, (uint32_t)expected_value, | |
6227 | (uint32_t)(tmp_ & (mask))); | |
6228 | ret = -ETIMEDOUT; | |
6229 | break; | |
6230 | } | |
6231 | } | |
6232 | return ret; | |
6233 | } |