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> |
fdf2f6c5 | 38 | |
4562236b | 39 | #include <drm/drm_atomic_helper.h> |
45b64fd9 | 40 | #include <drm/drm_fb_helper.h> |
fcd70cd3 | 41 | #include <drm/drm_probe_helper.h> |
d38ceaf9 AD |
42 | #include <drm/amdgpu_drm.h> |
43 | #include <linux/vgaarb.h> | |
44 | #include <linux/vga_switcheroo.h> | |
45 | #include <linux/efi.h> | |
46 | #include "amdgpu.h" | |
f4b373f4 | 47 | #include "amdgpu_trace.h" |
d38ceaf9 AD |
48 | #include "amdgpu_i2c.h" |
49 | #include "atom.h" | |
50 | #include "amdgpu_atombios.h" | |
a5bde2f9 | 51 | #include "amdgpu_atomfirmware.h" |
d0dd7f0c | 52 | #include "amd_pcie.h" |
33f34802 KW |
53 | #ifdef CONFIG_DRM_AMDGPU_SI |
54 | #include "si.h" | |
55 | #endif | |
a2e73f56 AD |
56 | #ifdef CONFIG_DRM_AMDGPU_CIK |
57 | #include "cik.h" | |
58 | #endif | |
aaa36a97 | 59 | #include "vi.h" |
460826e6 | 60 | #include "soc15.h" |
0a5b8c7b | 61 | #include "nv.h" |
d38ceaf9 | 62 | #include "bif/bif_4_1_d.h" |
bec86378 | 63 | #include <linux/firmware.h> |
89041940 | 64 | #include "amdgpu_vf_error.h" |
d38ceaf9 | 65 | |
ba997709 | 66 | #include "amdgpu_amdkfd.h" |
d2f52ac8 | 67 | #include "amdgpu_pm.h" |
d38ceaf9 | 68 | |
5183411b | 69 | #include "amdgpu_xgmi.h" |
c030f2e4 | 70 | #include "amdgpu_ras.h" |
9c7c85f7 | 71 | #include "amdgpu_pmu.h" |
bd607166 | 72 | #include "amdgpu_fru_eeprom.h" |
04442bf7 | 73 | #include "amdgpu_reset.h" |
5183411b | 74 | |
d5ea093e | 75 | #include <linux/suspend.h> |
c6a6e2db | 76 | #include <drm/task_barrier.h> |
3f12acc8 | 77 | #include <linux/pm_runtime.h> |
d5ea093e | 78 | |
f89f8c6b AG |
79 | #include <drm/drm_drv.h> |
80 | ||
e2a75f88 | 81 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
3f76dced | 82 | MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); |
2d2e5e7e | 83 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
ad5a67a7 | 84 | MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); |
54c4d17e | 85 | MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); |
65e60f6e | 86 | MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin"); |
42b325e5 | 87 | MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); |
e2a75f88 | 88 | |
2dc80b00 | 89 | #define AMDGPU_RESUME_MS 2000 |
7258fa31 SK |
90 | #define AMDGPU_MAX_RETRY_LIMIT 2 |
91 | #define AMDGPU_RETRY_SRIOV_RESET(r) ((r) == -EBUSY || (r) == -ETIMEDOUT || (r) == -EINVAL) | |
2dc80b00 | 92 | |
050091ab | 93 | const char *amdgpu_asic_name[] = { |
da69c161 KW |
94 | "TAHITI", |
95 | "PITCAIRN", | |
96 | "VERDE", | |
97 | "OLAND", | |
98 | "HAINAN", | |
d38ceaf9 AD |
99 | "BONAIRE", |
100 | "KAVERI", | |
101 | "KABINI", | |
102 | "HAWAII", | |
103 | "MULLINS", | |
104 | "TOPAZ", | |
105 | "TONGA", | |
48299f95 | 106 | "FIJI", |
d38ceaf9 | 107 | "CARRIZO", |
139f4917 | 108 | "STONEY", |
2cc0c0b5 FC |
109 | "POLARIS10", |
110 | "POLARIS11", | |
c4642a47 | 111 | "POLARIS12", |
48ff108d | 112 | "VEGAM", |
d4196f01 | 113 | "VEGA10", |
8fab806a | 114 | "VEGA12", |
956fcddc | 115 | "VEGA20", |
2ca8a5d2 | 116 | "RAVEN", |
d6c3b24e | 117 | "ARCTURUS", |
1eee4228 | 118 | "RENOIR", |
d46b417a | 119 | "ALDEBARAN", |
852a6626 | 120 | "NAVI10", |
d0f56dc2 | 121 | "CYAN_SKILLFISH", |
87dbad02 | 122 | "NAVI14", |
9802f5d7 | 123 | "NAVI12", |
ccaf72d3 | 124 | "SIENNA_CICHLID", |
ddd8fbe7 | 125 | "NAVY_FLOUNDER", |
4f1e9a76 | 126 | "VANGOGH", |
a2468e04 | 127 | "DIMGREY_CAVEFISH", |
6f169591 | 128 | "BEIGE_GOBY", |
ee9236b7 | 129 | "YELLOW_CARP", |
3ae695d6 | 130 | "IP DISCOVERY", |
d38ceaf9 AD |
131 | "LAST", |
132 | }; | |
133 | ||
dcea6e65 KR |
134 | /** |
135 | * DOC: pcie_replay_count | |
136 | * | |
137 | * The amdgpu driver provides a sysfs API for reporting the total number | |
138 | * of PCIe replays (NAKs) | |
139 | * The file pcie_replay_count is used for this and returns the total | |
140 | * number of replays as a sum of the NAKs generated and NAKs received | |
141 | */ | |
142 | ||
143 | static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, | |
144 | struct device_attribute *attr, char *buf) | |
145 | { | |
146 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 147 | struct amdgpu_device *adev = drm_to_adev(ddev); |
dcea6e65 KR |
148 | uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); |
149 | ||
36000c7a | 150 | return sysfs_emit(buf, "%llu\n", cnt); |
dcea6e65 KR |
151 | } |
152 | ||
153 | static DEVICE_ATTR(pcie_replay_count, S_IRUGO, | |
154 | amdgpu_device_get_pcie_replay_count, NULL); | |
155 | ||
5494d864 AD |
156 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); |
157 | ||
bd607166 KR |
158 | /** |
159 | * DOC: product_name | |
160 | * | |
161 | * The amdgpu driver provides a sysfs API for reporting the product name | |
162 | * for the device | |
163 | * The file serial_number is used for this and returns the product name | |
164 | * as returned from the FRU. | |
165 | * NOTE: This is only available for certain server cards | |
166 | */ | |
167 | ||
168 | static ssize_t amdgpu_device_get_product_name(struct device *dev, | |
169 | struct device_attribute *attr, char *buf) | |
170 | { | |
171 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 172 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 | 173 | |
36000c7a | 174 | return sysfs_emit(buf, "%s\n", adev->product_name); |
bd607166 KR |
175 | } |
176 | ||
177 | static DEVICE_ATTR(product_name, S_IRUGO, | |
178 | amdgpu_device_get_product_name, NULL); | |
179 | ||
180 | /** | |
181 | * DOC: product_number | |
182 | * | |
183 | * The amdgpu driver provides a sysfs API for reporting the part number | |
184 | * for the device | |
185 | * The file serial_number is used for this and returns the part number | |
186 | * as returned from the FRU. | |
187 | * NOTE: This is only available for certain server cards | |
188 | */ | |
189 | ||
190 | static ssize_t amdgpu_device_get_product_number(struct device *dev, | |
191 | struct device_attribute *attr, char *buf) | |
192 | { | |
193 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 194 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 | 195 | |
36000c7a | 196 | return sysfs_emit(buf, "%s\n", adev->product_number); |
bd607166 KR |
197 | } |
198 | ||
199 | static DEVICE_ATTR(product_number, S_IRUGO, | |
200 | amdgpu_device_get_product_number, NULL); | |
201 | ||
202 | /** | |
203 | * DOC: serial_number | |
204 | * | |
205 | * The amdgpu driver provides a sysfs API for reporting the serial number | |
206 | * for the device | |
207 | * The file serial_number is used for this and returns the serial number | |
208 | * as returned from the FRU. | |
209 | * NOTE: This is only available for certain server cards | |
210 | */ | |
211 | ||
212 | static ssize_t amdgpu_device_get_serial_number(struct device *dev, | |
213 | struct device_attribute *attr, char *buf) | |
214 | { | |
215 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 216 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 | 217 | |
36000c7a | 218 | return sysfs_emit(buf, "%s\n", adev->serial); |
bd607166 KR |
219 | } |
220 | ||
221 | static DEVICE_ATTR(serial_number, S_IRUGO, | |
222 | amdgpu_device_get_serial_number, NULL); | |
223 | ||
fd496ca8 | 224 | /** |
b98c6299 | 225 | * amdgpu_device_supports_px - Is the device a dGPU with ATPX power control |
fd496ca8 AD |
226 | * |
227 | * @dev: drm_device pointer | |
228 | * | |
b98c6299 | 229 | * Returns true if the device is a dGPU with ATPX power control, |
fd496ca8 AD |
230 | * otherwise return false. |
231 | */ | |
b98c6299 | 232 | bool amdgpu_device_supports_px(struct drm_device *dev) |
fd496ca8 AD |
233 | { |
234 | struct amdgpu_device *adev = drm_to_adev(dev); | |
235 | ||
b98c6299 | 236 | if ((adev->flags & AMD_IS_PX) && !amdgpu_is_atpx_hybrid()) |
fd496ca8 AD |
237 | return true; |
238 | return false; | |
239 | } | |
240 | ||
e3ecdffa | 241 | /** |
0330b848 | 242 | * amdgpu_device_supports_boco - Is the device a dGPU with ACPI power resources |
e3ecdffa AD |
243 | * |
244 | * @dev: drm_device pointer | |
245 | * | |
b98c6299 | 246 | * Returns true if the device is a dGPU with ACPI power control, |
e3ecdffa AD |
247 | * otherwise return false. |
248 | */ | |
31af062a | 249 | bool amdgpu_device_supports_boco(struct drm_device *dev) |
d38ceaf9 | 250 | { |
1348969a | 251 | struct amdgpu_device *adev = drm_to_adev(dev); |
d38ceaf9 | 252 | |
b98c6299 AD |
253 | if (adev->has_pr3 || |
254 | ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid())) | |
d38ceaf9 AD |
255 | return true; |
256 | return false; | |
257 | } | |
258 | ||
a69cba42 AD |
259 | /** |
260 | * amdgpu_device_supports_baco - Does the device support BACO | |
261 | * | |
262 | * @dev: drm_device pointer | |
263 | * | |
264 | * Returns true if the device supporte BACO, | |
265 | * otherwise return false. | |
266 | */ | |
267 | bool amdgpu_device_supports_baco(struct drm_device *dev) | |
268 | { | |
1348969a | 269 | struct amdgpu_device *adev = drm_to_adev(dev); |
a69cba42 AD |
270 | |
271 | return amdgpu_asic_supports_baco(adev); | |
272 | } | |
273 | ||
3fa8f89d S |
274 | /** |
275 | * amdgpu_device_supports_smart_shift - Is the device dGPU with | |
276 | * smart shift support | |
277 | * | |
278 | * @dev: drm_device pointer | |
279 | * | |
280 | * Returns true if the device is a dGPU with Smart Shift support, | |
281 | * otherwise returns false. | |
282 | */ | |
283 | bool amdgpu_device_supports_smart_shift(struct drm_device *dev) | |
284 | { | |
285 | return (amdgpu_device_supports_boco(dev) && | |
286 | amdgpu_acpi_is_power_shift_control_supported()); | |
287 | } | |
288 | ||
6e3cd2a9 MCC |
289 | /* |
290 | * VRAM access helper functions | |
291 | */ | |
292 | ||
e35e2b11 | 293 | /** |
048af66b | 294 | * amdgpu_device_mm_access - access vram by MM_INDEX/MM_DATA |
e35e2b11 TY |
295 | * |
296 | * @adev: amdgpu_device pointer | |
297 | * @pos: offset of the buffer in vram | |
298 | * @buf: virtual address of the buffer in system memory | |
299 | * @size: read/write size, sizeof(@buf) must > @size | |
300 | * @write: true - write to vram, otherwise - read from vram | |
301 | */ | |
048af66b KW |
302 | void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos, |
303 | void *buf, size_t size, bool write) | |
e35e2b11 | 304 | { |
e35e2b11 | 305 | unsigned long flags; |
048af66b KW |
306 | uint32_t hi = ~0, tmp = 0; |
307 | uint32_t *data = buf; | |
ce05ac56 | 308 | uint64_t last; |
f89f8c6b | 309 | int idx; |
ce05ac56 | 310 | |
c58a863b | 311 | if (!drm_dev_enter(adev_to_drm(adev), &idx)) |
f89f8c6b | 312 | return; |
9d11eb0d | 313 | |
048af66b KW |
314 | BUG_ON(!IS_ALIGNED(pos, 4) || !IS_ALIGNED(size, 4)); |
315 | ||
316 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
317 | for (last = pos + size; pos < last; pos += 4) { | |
318 | tmp = pos >> 31; | |
319 | ||
320 | WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); | |
321 | if (tmp != hi) { | |
322 | WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); | |
323 | hi = tmp; | |
324 | } | |
325 | if (write) | |
326 | WREG32_NO_KIQ(mmMM_DATA, *data++); | |
327 | else | |
328 | *data++ = RREG32_NO_KIQ(mmMM_DATA); | |
329 | } | |
330 | ||
331 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
332 | drm_dev_exit(idx); | |
333 | } | |
334 | ||
335 | /** | |
bbe04dec | 336 | * amdgpu_device_aper_access - access vram by vram aperature |
048af66b KW |
337 | * |
338 | * @adev: amdgpu_device pointer | |
339 | * @pos: offset of the buffer in vram | |
340 | * @buf: virtual address of the buffer in system memory | |
341 | * @size: read/write size, sizeof(@buf) must > @size | |
342 | * @write: true - write to vram, otherwise - read from vram | |
343 | * | |
344 | * The return value means how many bytes have been transferred. | |
345 | */ | |
346 | size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos, | |
347 | void *buf, size_t size, bool write) | |
348 | { | |
9d11eb0d | 349 | #ifdef CONFIG_64BIT |
048af66b KW |
350 | void __iomem *addr; |
351 | size_t count = 0; | |
352 | uint64_t last; | |
353 | ||
354 | if (!adev->mman.aper_base_kaddr) | |
355 | return 0; | |
356 | ||
9d11eb0d CK |
357 | last = min(pos + size, adev->gmc.visible_vram_size); |
358 | if (last > pos) { | |
048af66b KW |
359 | addr = adev->mman.aper_base_kaddr + pos; |
360 | count = last - pos; | |
9d11eb0d CK |
361 | |
362 | if (write) { | |
363 | memcpy_toio(addr, buf, count); | |
364 | mb(); | |
810085dd | 365 | amdgpu_device_flush_hdp(adev, NULL); |
9d11eb0d | 366 | } else { |
810085dd | 367 | amdgpu_device_invalidate_hdp(adev, NULL); |
9d11eb0d CK |
368 | mb(); |
369 | memcpy_fromio(buf, addr, count); | |
370 | } | |
371 | ||
9d11eb0d | 372 | } |
048af66b KW |
373 | |
374 | return count; | |
375 | #else | |
376 | return 0; | |
9d11eb0d | 377 | #endif |
048af66b | 378 | } |
9d11eb0d | 379 | |
048af66b KW |
380 | /** |
381 | * amdgpu_device_vram_access - read/write a buffer in vram | |
382 | * | |
383 | * @adev: amdgpu_device pointer | |
384 | * @pos: offset of the buffer in vram | |
385 | * @buf: virtual address of the buffer in system memory | |
386 | * @size: read/write size, sizeof(@buf) must > @size | |
387 | * @write: true - write to vram, otherwise - read from vram | |
388 | */ | |
389 | void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, | |
390 | void *buf, size_t size, bool write) | |
391 | { | |
392 | size_t count; | |
e35e2b11 | 393 | |
048af66b KW |
394 | /* try to using vram apreature to access vram first */ |
395 | count = amdgpu_device_aper_access(adev, pos, buf, size, write); | |
396 | size -= count; | |
397 | if (size) { | |
398 | /* using MM to access rest vram */ | |
399 | pos += count; | |
400 | buf += count; | |
401 | amdgpu_device_mm_access(adev, pos, buf, size, write); | |
e35e2b11 TY |
402 | } |
403 | } | |
404 | ||
d38ceaf9 | 405 | /* |
f7ee1874 | 406 | * register access helper functions. |
d38ceaf9 | 407 | */ |
56b53c0b DL |
408 | |
409 | /* Check if hw access should be skipped because of hotplug or device error */ | |
410 | bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev) | |
411 | { | |
7afefb81 | 412 | if (adev->no_hw_access) |
56b53c0b DL |
413 | return true; |
414 | ||
415 | #ifdef CONFIG_LOCKDEP | |
416 | /* | |
417 | * This is a bit complicated to understand, so worth a comment. What we assert | |
418 | * here is that the GPU reset is not running on another thread in parallel. | |
419 | * | |
420 | * For this we trylock the read side of the reset semaphore, if that succeeds | |
421 | * we know that the reset is not running in paralell. | |
422 | * | |
423 | * If the trylock fails we assert that we are either already holding the read | |
424 | * side of the lock or are the reset thread itself and hold the write side of | |
425 | * the lock. | |
426 | */ | |
427 | if (in_task()) { | |
d0fb18b5 AG |
428 | if (down_read_trylock(&adev->reset_domain->sem)) |
429 | up_read(&adev->reset_domain->sem); | |
56b53c0b | 430 | else |
d0fb18b5 | 431 | lockdep_assert_held(&adev->reset_domain->sem); |
56b53c0b DL |
432 | } |
433 | #endif | |
434 | return false; | |
435 | } | |
436 | ||
e3ecdffa | 437 | /** |
f7ee1874 | 438 | * amdgpu_device_rreg - read a memory mapped IO or indirect register |
e3ecdffa AD |
439 | * |
440 | * @adev: amdgpu_device pointer | |
441 | * @reg: dword aligned register offset | |
442 | * @acc_flags: access flags which require special behavior | |
443 | * | |
444 | * Returns the 32 bit value from the offset specified. | |
445 | */ | |
f7ee1874 HZ |
446 | uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, |
447 | uint32_t reg, uint32_t acc_flags) | |
d38ceaf9 | 448 | { |
f4b373f4 TSD |
449 | uint32_t ret; |
450 | ||
56b53c0b | 451 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
452 | return 0; |
453 | ||
f7ee1874 HZ |
454 | if ((reg * 4) < adev->rmmio_size) { |
455 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
456 | amdgpu_sriov_runtime(adev) && | |
d0fb18b5 | 457 | down_read_trylock(&adev->reset_domain->sem)) { |
f7ee1874 | 458 | ret = amdgpu_kiq_rreg(adev, reg); |
d0fb18b5 | 459 | up_read(&adev->reset_domain->sem); |
f7ee1874 HZ |
460 | } else { |
461 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); | |
462 | } | |
463 | } else { | |
464 | ret = adev->pcie_rreg(adev, reg * 4); | |
81202807 | 465 | } |
bc992ba5 | 466 | |
f7ee1874 | 467 | trace_amdgpu_device_rreg(adev->pdev->device, reg, ret); |
e78b579d | 468 | |
f4b373f4 | 469 | return ret; |
d38ceaf9 AD |
470 | } |
471 | ||
421a2a30 ML |
472 | /* |
473 | * MMIO register read with bytes helper functions | |
474 | * @offset:bytes offset from MMIO start | |
475 | * | |
476 | */ | |
477 | ||
e3ecdffa AD |
478 | /** |
479 | * amdgpu_mm_rreg8 - read a memory mapped IO register | |
480 | * | |
481 | * @adev: amdgpu_device pointer | |
482 | * @offset: byte aligned register offset | |
483 | * | |
484 | * Returns the 8 bit value from the offset specified. | |
485 | */ | |
7cbbc745 AG |
486 | uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) |
487 | { | |
56b53c0b | 488 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
489 | return 0; |
490 | ||
421a2a30 ML |
491 | if (offset < adev->rmmio_size) |
492 | return (readb(adev->rmmio + offset)); | |
493 | BUG(); | |
494 | } | |
495 | ||
496 | /* | |
497 | * MMIO register write with bytes helper functions | |
498 | * @offset:bytes offset from MMIO start | |
499 | * @value: the value want to be written to the register | |
500 | * | |
501 | */ | |
e3ecdffa AD |
502 | /** |
503 | * amdgpu_mm_wreg8 - read a memory mapped IO register | |
504 | * | |
505 | * @adev: amdgpu_device pointer | |
506 | * @offset: byte aligned register offset | |
507 | * @value: 8 bit value to write | |
508 | * | |
509 | * Writes the value specified to the offset specified. | |
510 | */ | |
7cbbc745 AG |
511 | void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) |
512 | { | |
56b53c0b | 513 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
514 | return; |
515 | ||
421a2a30 ML |
516 | if (offset < adev->rmmio_size) |
517 | writeb(value, adev->rmmio + offset); | |
518 | else | |
519 | BUG(); | |
520 | } | |
521 | ||
e3ecdffa | 522 | /** |
f7ee1874 | 523 | * amdgpu_device_wreg - write to a memory mapped IO or indirect register |
e3ecdffa AD |
524 | * |
525 | * @adev: amdgpu_device pointer | |
526 | * @reg: dword aligned register offset | |
527 | * @v: 32 bit value to write to the register | |
528 | * @acc_flags: access flags which require special behavior | |
529 | * | |
530 | * Writes the value specified to the offset specified. | |
531 | */ | |
f7ee1874 HZ |
532 | void amdgpu_device_wreg(struct amdgpu_device *adev, |
533 | uint32_t reg, uint32_t v, | |
534 | uint32_t acc_flags) | |
d38ceaf9 | 535 | { |
56b53c0b | 536 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
537 | return; |
538 | ||
f7ee1874 HZ |
539 | if ((reg * 4) < adev->rmmio_size) { |
540 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
541 | amdgpu_sriov_runtime(adev) && | |
d0fb18b5 | 542 | down_read_trylock(&adev->reset_domain->sem)) { |
f7ee1874 | 543 | amdgpu_kiq_wreg(adev, reg, v); |
d0fb18b5 | 544 | up_read(&adev->reset_domain->sem); |
f7ee1874 HZ |
545 | } else { |
546 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
547 | } | |
548 | } else { | |
549 | adev->pcie_wreg(adev, reg * 4, v); | |
81202807 | 550 | } |
bc992ba5 | 551 | |
f7ee1874 | 552 | trace_amdgpu_device_wreg(adev->pdev->device, reg, v); |
2e0cc4d4 | 553 | } |
d38ceaf9 | 554 | |
03f2abb0 | 555 | /** |
4cc9f86f | 556 | * amdgpu_mm_wreg_mmio_rlc - write register either with direct/indirect mmio or with RLC path if in range |
2e0cc4d4 | 557 | * |
71579346 RB |
558 | * @adev: amdgpu_device pointer |
559 | * @reg: mmio/rlc register | |
560 | * @v: value to write | |
561 | * | |
562 | * this function is invoked only for the debugfs register access | |
03f2abb0 | 563 | */ |
f7ee1874 HZ |
564 | void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, |
565 | uint32_t reg, uint32_t v) | |
2e0cc4d4 | 566 | { |
56b53c0b | 567 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
568 | return; |
569 | ||
2e0cc4d4 | 570 | if (amdgpu_sriov_fullaccess(adev) && |
f7ee1874 HZ |
571 | adev->gfx.rlc.funcs && |
572 | adev->gfx.rlc.funcs->is_rlcg_access_range) { | |
2e0cc4d4 | 573 | if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) |
1b2dc99e | 574 | return amdgpu_sriov_wreg(adev, reg, v, 0, 0); |
4cc9f86f TSD |
575 | } else if ((reg * 4) >= adev->rmmio_size) { |
576 | adev->pcie_wreg(adev, reg * 4, v); | |
f7ee1874 HZ |
577 | } else { |
578 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
47ed4e1c | 579 | } |
d38ceaf9 AD |
580 | } |
581 | ||
d38ceaf9 AD |
582 | /** |
583 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
584 | * | |
585 | * @adev: amdgpu_device pointer | |
586 | * @index: doorbell index | |
587 | * | |
588 | * Returns the value in the doorbell aperture at the | |
589 | * requested doorbell index (CIK). | |
590 | */ | |
591 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
592 | { | |
56b53c0b | 593 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
594 | return 0; |
595 | ||
d38ceaf9 AD |
596 | if (index < adev->doorbell.num_doorbells) { |
597 | return readl(adev->doorbell.ptr + index); | |
598 | } else { | |
599 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
600 | return 0; | |
601 | } | |
602 | } | |
603 | ||
604 | /** | |
605 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
606 | * | |
607 | * @adev: amdgpu_device pointer | |
608 | * @index: doorbell index | |
609 | * @v: value to write | |
610 | * | |
611 | * Writes @v to the doorbell aperture at the | |
612 | * requested doorbell index (CIK). | |
613 | */ | |
614 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
615 | { | |
56b53c0b | 616 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
617 | return; |
618 | ||
d38ceaf9 AD |
619 | if (index < adev->doorbell.num_doorbells) { |
620 | writel(v, adev->doorbell.ptr + index); | |
621 | } else { | |
622 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
623 | } | |
624 | } | |
625 | ||
832be404 KW |
626 | /** |
627 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
628 | * | |
629 | * @adev: amdgpu_device pointer | |
630 | * @index: doorbell index | |
631 | * | |
632 | * Returns the value in the doorbell aperture at the | |
633 | * requested doorbell index (VEGA10+). | |
634 | */ | |
635 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
636 | { | |
56b53c0b | 637 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
638 | return 0; |
639 | ||
832be404 KW |
640 | if (index < adev->doorbell.num_doorbells) { |
641 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
642 | } else { | |
643 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
644 | return 0; | |
645 | } | |
646 | } | |
647 | ||
648 | /** | |
649 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
650 | * | |
651 | * @adev: amdgpu_device pointer | |
652 | * @index: doorbell index | |
653 | * @v: value to write | |
654 | * | |
655 | * Writes @v to the doorbell aperture at the | |
656 | * requested doorbell index (VEGA10+). | |
657 | */ | |
658 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
659 | { | |
56b53c0b | 660 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
661 | return; |
662 | ||
832be404 KW |
663 | if (index < adev->doorbell.num_doorbells) { |
664 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
665 | } else { | |
666 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
667 | } | |
668 | } | |
669 | ||
1bba3683 HZ |
670 | /** |
671 | * amdgpu_device_indirect_rreg - read an indirect register | |
672 | * | |
673 | * @adev: amdgpu_device pointer | |
674 | * @pcie_index: mmio register offset | |
675 | * @pcie_data: mmio register offset | |
22f453fb | 676 | * @reg_addr: indirect register address to read from |
1bba3683 HZ |
677 | * |
678 | * Returns the value of indirect register @reg_addr | |
679 | */ | |
680 | u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev, | |
681 | u32 pcie_index, u32 pcie_data, | |
682 | u32 reg_addr) | |
683 | { | |
684 | unsigned long flags; | |
685 | u32 r; | |
686 | void __iomem *pcie_index_offset; | |
687 | void __iomem *pcie_data_offset; | |
688 | ||
689 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
690 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
691 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
692 | ||
693 | writel(reg_addr, pcie_index_offset); | |
694 | readl(pcie_index_offset); | |
695 | r = readl(pcie_data_offset); | |
696 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
697 | ||
698 | return r; | |
699 | } | |
700 | ||
701 | /** | |
702 | * amdgpu_device_indirect_rreg64 - read a 64bits indirect register | |
703 | * | |
704 | * @adev: amdgpu_device pointer | |
705 | * @pcie_index: mmio register offset | |
706 | * @pcie_data: mmio register offset | |
22f453fb | 707 | * @reg_addr: indirect register address to read from |
1bba3683 HZ |
708 | * |
709 | * Returns the value of indirect register @reg_addr | |
710 | */ | |
711 | u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev, | |
712 | u32 pcie_index, u32 pcie_data, | |
713 | u32 reg_addr) | |
714 | { | |
715 | unsigned long flags; | |
716 | u64 r; | |
717 | void __iomem *pcie_index_offset; | |
718 | void __iomem *pcie_data_offset; | |
719 | ||
720 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
721 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
722 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
723 | ||
724 | /* read low 32 bits */ | |
725 | writel(reg_addr, pcie_index_offset); | |
726 | readl(pcie_index_offset); | |
727 | r = readl(pcie_data_offset); | |
728 | /* read high 32 bits */ | |
729 | writel(reg_addr + 4, pcie_index_offset); | |
730 | readl(pcie_index_offset); | |
731 | r |= ((u64)readl(pcie_data_offset) << 32); | |
732 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
733 | ||
734 | return r; | |
735 | } | |
736 | ||
737 | /** | |
738 | * amdgpu_device_indirect_wreg - write an indirect register address | |
739 | * | |
740 | * @adev: amdgpu_device pointer | |
741 | * @pcie_index: mmio register offset | |
742 | * @pcie_data: mmio register offset | |
743 | * @reg_addr: indirect register offset | |
744 | * @reg_data: indirect register data | |
745 | * | |
746 | */ | |
747 | void amdgpu_device_indirect_wreg(struct amdgpu_device *adev, | |
748 | u32 pcie_index, u32 pcie_data, | |
749 | u32 reg_addr, u32 reg_data) | |
750 | { | |
751 | unsigned long flags; | |
752 | void __iomem *pcie_index_offset; | |
753 | void __iomem *pcie_data_offset; | |
754 | ||
755 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
756 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
757 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
758 | ||
759 | writel(reg_addr, pcie_index_offset); | |
760 | readl(pcie_index_offset); | |
761 | writel(reg_data, pcie_data_offset); | |
762 | readl(pcie_data_offset); | |
763 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
764 | } | |
765 | ||
766 | /** | |
767 | * amdgpu_device_indirect_wreg64 - write a 64bits indirect register address | |
768 | * | |
769 | * @adev: amdgpu_device pointer | |
770 | * @pcie_index: mmio register offset | |
771 | * @pcie_data: mmio register offset | |
772 | * @reg_addr: indirect register offset | |
773 | * @reg_data: indirect register data | |
774 | * | |
775 | */ | |
776 | void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev, | |
777 | u32 pcie_index, u32 pcie_data, | |
778 | u32 reg_addr, u64 reg_data) | |
779 | { | |
780 | unsigned long flags; | |
781 | void __iomem *pcie_index_offset; | |
782 | void __iomem *pcie_data_offset; | |
783 | ||
784 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
785 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
786 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
787 | ||
788 | /* write low 32 bits */ | |
789 | writel(reg_addr, pcie_index_offset); | |
790 | readl(pcie_index_offset); | |
791 | writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset); | |
792 | readl(pcie_data_offset); | |
793 | /* write high 32 bits */ | |
794 | writel(reg_addr + 4, pcie_index_offset); | |
795 | readl(pcie_index_offset); | |
796 | writel((u32)(reg_data >> 32), pcie_data_offset); | |
797 | readl(pcie_data_offset); | |
798 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
799 | } | |
800 | ||
d38ceaf9 AD |
801 | /** |
802 | * amdgpu_invalid_rreg - dummy reg read function | |
803 | * | |
982a820b | 804 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
805 | * @reg: offset of register |
806 | * | |
807 | * Dummy register read function. Used for register blocks | |
808 | * that certain asics don't have (all asics). | |
809 | * Returns the value in the register. | |
810 | */ | |
811 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
812 | { | |
813 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
814 | BUG(); | |
815 | return 0; | |
816 | } | |
817 | ||
818 | /** | |
819 | * amdgpu_invalid_wreg - dummy reg write function | |
820 | * | |
982a820b | 821 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
822 | * @reg: offset of register |
823 | * @v: value to write to the register | |
824 | * | |
825 | * Dummy register read function. Used for register blocks | |
826 | * that certain asics don't have (all asics). | |
827 | */ | |
828 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
829 | { | |
830 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
831 | reg, v); | |
832 | BUG(); | |
833 | } | |
834 | ||
4fa1c6a6 TZ |
835 | /** |
836 | * amdgpu_invalid_rreg64 - dummy 64 bit reg read function | |
837 | * | |
982a820b | 838 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
839 | * @reg: offset of register |
840 | * | |
841 | * Dummy register read function. Used for register blocks | |
842 | * that certain asics don't have (all asics). | |
843 | * Returns the value in the register. | |
844 | */ | |
845 | static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) | |
846 | { | |
847 | DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg); | |
848 | BUG(); | |
849 | return 0; | |
850 | } | |
851 | ||
852 | /** | |
853 | * amdgpu_invalid_wreg64 - dummy reg write function | |
854 | * | |
982a820b | 855 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
856 | * @reg: offset of register |
857 | * @v: value to write to the register | |
858 | * | |
859 | * Dummy register read function. Used for register blocks | |
860 | * that certain asics don't have (all asics). | |
861 | */ | |
862 | static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) | |
863 | { | |
864 | DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", | |
865 | reg, v); | |
866 | BUG(); | |
867 | } | |
868 | ||
d38ceaf9 AD |
869 | /** |
870 | * amdgpu_block_invalid_rreg - dummy reg read function | |
871 | * | |
982a820b | 872 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
873 | * @block: offset of instance |
874 | * @reg: offset of register | |
875 | * | |
876 | * Dummy register read function. Used for register blocks | |
877 | * that certain asics don't have (all asics). | |
878 | * Returns the value in the register. | |
879 | */ | |
880 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
881 | uint32_t block, uint32_t reg) | |
882 | { | |
883 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
884 | reg, block); | |
885 | BUG(); | |
886 | return 0; | |
887 | } | |
888 | ||
889 | /** | |
890 | * amdgpu_block_invalid_wreg - dummy reg write function | |
891 | * | |
982a820b | 892 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
893 | * @block: offset of instance |
894 | * @reg: offset of register | |
895 | * @v: value to write to the register | |
896 | * | |
897 | * Dummy register read function. Used for register blocks | |
898 | * that certain asics don't have (all asics). | |
899 | */ | |
900 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
901 | uint32_t block, | |
902 | uint32_t reg, uint32_t v) | |
903 | { | |
904 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
905 | reg, block, v); | |
906 | BUG(); | |
907 | } | |
908 | ||
4d2997ab AD |
909 | /** |
910 | * amdgpu_device_asic_init - Wrapper for atom asic_init | |
911 | * | |
982a820b | 912 | * @adev: amdgpu_device pointer |
4d2997ab AD |
913 | * |
914 | * Does any asic specific work and then calls atom asic init. | |
915 | */ | |
916 | static int amdgpu_device_asic_init(struct amdgpu_device *adev) | |
917 | { | |
918 | amdgpu_asic_pre_asic_init(adev); | |
919 | ||
85d1bcc6 HZ |
920 | if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(11, 0, 0)) |
921 | return amdgpu_atomfirmware_asic_init(adev, true); | |
922 | else | |
923 | return amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
4d2997ab AD |
924 | } |
925 | ||
e3ecdffa AD |
926 | /** |
927 | * amdgpu_device_vram_scratch_init - allocate the VRAM scratch page | |
928 | * | |
982a820b | 929 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
930 | * |
931 | * Allocates a scratch page of VRAM for use by various things in the | |
932 | * driver. | |
933 | */ | |
06ec9070 | 934 | static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) |
d38ceaf9 | 935 | { |
a4a02777 | 936 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
58ab2c08 CK |
937 | PAGE_SIZE, |
938 | AMDGPU_GEM_DOMAIN_VRAM, | |
a4a02777 CK |
939 | &adev->vram_scratch.robj, |
940 | &adev->vram_scratch.gpu_addr, | |
941 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
942 | } |
943 | ||
e3ecdffa AD |
944 | /** |
945 | * amdgpu_device_vram_scratch_fini - Free the VRAM scratch page | |
946 | * | |
982a820b | 947 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
948 | * |
949 | * Frees the VRAM scratch page. | |
950 | */ | |
06ec9070 | 951 | static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev) |
d38ceaf9 | 952 | { |
078af1a3 | 953 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
954 | } |
955 | ||
956 | /** | |
9c3f2b54 | 957 | * amdgpu_device_program_register_sequence - program an array of registers. |
d38ceaf9 AD |
958 | * |
959 | * @adev: amdgpu_device pointer | |
960 | * @registers: pointer to the register array | |
961 | * @array_size: size of the register array | |
962 | * | |
963 | * Programs an array or registers with and and or masks. | |
964 | * This is a helper for setting golden registers. | |
965 | */ | |
9c3f2b54 AD |
966 | void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, |
967 | const u32 *registers, | |
968 | const u32 array_size) | |
d38ceaf9 AD |
969 | { |
970 | u32 tmp, reg, and_mask, or_mask; | |
971 | int i; | |
972 | ||
973 | if (array_size % 3) | |
974 | return; | |
975 | ||
976 | for (i = 0; i < array_size; i +=3) { | |
977 | reg = registers[i + 0]; | |
978 | and_mask = registers[i + 1]; | |
979 | or_mask = registers[i + 2]; | |
980 | ||
981 | if (and_mask == 0xffffffff) { | |
982 | tmp = or_mask; | |
983 | } else { | |
984 | tmp = RREG32(reg); | |
985 | tmp &= ~and_mask; | |
e0d07657 HZ |
986 | if (adev->family >= AMDGPU_FAMILY_AI) |
987 | tmp |= (or_mask & and_mask); | |
988 | else | |
989 | tmp |= or_mask; | |
d38ceaf9 AD |
990 | } |
991 | WREG32(reg, tmp); | |
992 | } | |
993 | } | |
994 | ||
e3ecdffa AD |
995 | /** |
996 | * amdgpu_device_pci_config_reset - reset the GPU | |
997 | * | |
998 | * @adev: amdgpu_device pointer | |
999 | * | |
1000 | * Resets the GPU using the pci config reset sequence. | |
1001 | * Only applicable to asics prior to vega10. | |
1002 | */ | |
8111c387 | 1003 | void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) |
d38ceaf9 AD |
1004 | { |
1005 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
1006 | } | |
1007 | ||
af484df8 AD |
1008 | /** |
1009 | * amdgpu_device_pci_reset - reset the GPU using generic PCI means | |
1010 | * | |
1011 | * @adev: amdgpu_device pointer | |
1012 | * | |
1013 | * Resets the GPU using generic pci reset interfaces (FLR, SBR, etc.). | |
1014 | */ | |
1015 | int amdgpu_device_pci_reset(struct amdgpu_device *adev) | |
1016 | { | |
1017 | return pci_reset_function(adev->pdev); | |
1018 | } | |
1019 | ||
d38ceaf9 AD |
1020 | /* |
1021 | * GPU doorbell aperture helpers function. | |
1022 | */ | |
1023 | /** | |
06ec9070 | 1024 | * amdgpu_device_doorbell_init - Init doorbell driver information. |
d38ceaf9 AD |
1025 | * |
1026 | * @adev: amdgpu_device pointer | |
1027 | * | |
1028 | * Init doorbell driver information (CIK) | |
1029 | * Returns 0 on success, error on failure. | |
1030 | */ | |
06ec9070 | 1031 | static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) |
d38ceaf9 | 1032 | { |
6585661d | 1033 | |
705e519e CK |
1034 | /* No doorbell on SI hardware generation */ |
1035 | if (adev->asic_type < CHIP_BONAIRE) { | |
1036 | adev->doorbell.base = 0; | |
1037 | adev->doorbell.size = 0; | |
1038 | adev->doorbell.num_doorbells = 0; | |
1039 | adev->doorbell.ptr = NULL; | |
1040 | return 0; | |
1041 | } | |
1042 | ||
d6895ad3 CK |
1043 | if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) |
1044 | return -EINVAL; | |
1045 | ||
22357775 AD |
1046 | amdgpu_asic_init_doorbell_index(adev); |
1047 | ||
d38ceaf9 AD |
1048 | /* doorbell bar mapping */ |
1049 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
1050 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
1051 | ||
de33a329 JX |
1052 | if (adev->enable_mes) { |
1053 | adev->doorbell.num_doorbells = | |
1054 | adev->doorbell.size / sizeof(u32); | |
1055 | } else { | |
1056 | adev->doorbell.num_doorbells = | |
1057 | min_t(u32, adev->doorbell.size / sizeof(u32), | |
1058 | adev->doorbell_index.max_assignment+1); | |
1059 | if (adev->doorbell.num_doorbells == 0) | |
1060 | return -EINVAL; | |
1061 | ||
1062 | /* For Vega, reserve and map two pages on doorbell BAR since SDMA | |
1063 | * paging queue doorbell use the second page. The | |
1064 | * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the | |
1065 | * doorbells are in the first page. So with paging queue enabled, | |
1066 | * the max num_doorbells should + 1 page (0x400 in dword) | |
1067 | */ | |
1068 | if (adev->asic_type >= CHIP_VEGA10) | |
1069 | adev->doorbell.num_doorbells += 0x400; | |
1070 | } | |
ec3db8a6 | 1071 | |
8972e5d2 CK |
1072 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
1073 | adev->doorbell.num_doorbells * | |
1074 | sizeof(u32)); | |
1075 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 1076 | return -ENOMEM; |
d38ceaf9 AD |
1077 | |
1078 | return 0; | |
1079 | } | |
1080 | ||
1081 | /** | |
06ec9070 | 1082 | * amdgpu_device_doorbell_fini - Tear down doorbell driver information. |
d38ceaf9 AD |
1083 | * |
1084 | * @adev: amdgpu_device pointer | |
1085 | * | |
1086 | * Tear down doorbell driver information (CIK) | |
1087 | */ | |
06ec9070 | 1088 | static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
1089 | { |
1090 | iounmap(adev->doorbell.ptr); | |
1091 | adev->doorbell.ptr = NULL; | |
1092 | } | |
1093 | ||
22cb0164 | 1094 | |
d38ceaf9 AD |
1095 | |
1096 | /* | |
06ec9070 | 1097 | * amdgpu_device_wb_*() |
455a7bc2 | 1098 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 1099 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
1100 | */ |
1101 | ||
1102 | /** | |
06ec9070 | 1103 | * amdgpu_device_wb_fini - Disable Writeback and free memory |
d38ceaf9 AD |
1104 | * |
1105 | * @adev: amdgpu_device pointer | |
1106 | * | |
1107 | * Disables Writeback and frees the Writeback memory (all asics). | |
1108 | * Used at driver shutdown. | |
1109 | */ | |
06ec9070 | 1110 | static void amdgpu_device_wb_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
1111 | { |
1112 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
1113 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
1114 | &adev->wb.gpu_addr, | |
1115 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1116 | adev->wb.wb_obj = NULL; |
1117 | } | |
1118 | } | |
1119 | ||
1120 | /** | |
03f2abb0 | 1121 | * amdgpu_device_wb_init - Init Writeback driver info and allocate memory |
d38ceaf9 AD |
1122 | * |
1123 | * @adev: amdgpu_device pointer | |
1124 | * | |
455a7bc2 | 1125 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
1126 | * Used at driver startup. |
1127 | * Returns 0 on success or an -error on failure. | |
1128 | */ | |
06ec9070 | 1129 | static int amdgpu_device_wb_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
1130 | { |
1131 | int r; | |
1132 | ||
1133 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
1134 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
1135 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
1136 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
1137 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
1138 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1139 | if (r) { |
1140 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
1141 | return r; | |
1142 | } | |
d38ceaf9 AD |
1143 | |
1144 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
1145 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
1146 | ||
1147 | /* clear wb memory */ | |
73469585 | 1148 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8); |
d38ceaf9 AD |
1149 | } |
1150 | ||
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | /** | |
131b4b36 | 1155 | * amdgpu_device_wb_get - Allocate a wb entry |
d38ceaf9 AD |
1156 | * |
1157 | * @adev: amdgpu_device pointer | |
1158 | * @wb: wb index | |
1159 | * | |
1160 | * Allocate a wb slot for use by the driver (all asics). | |
1161 | * Returns 0 on success or -EINVAL on failure. | |
1162 | */ | |
131b4b36 | 1163 | int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) |
d38ceaf9 AD |
1164 | { |
1165 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 1166 | |
97407b63 | 1167 | if (offset < adev->wb.num_wb) { |
7014285a | 1168 | __set_bit(offset, adev->wb.used); |
63ae07ca | 1169 | *wb = offset << 3; /* convert to dw offset */ |
0915fdbc ML |
1170 | return 0; |
1171 | } else { | |
1172 | return -EINVAL; | |
1173 | } | |
1174 | } | |
1175 | ||
d38ceaf9 | 1176 | /** |
131b4b36 | 1177 | * amdgpu_device_wb_free - Free a wb entry |
d38ceaf9 AD |
1178 | * |
1179 | * @adev: amdgpu_device pointer | |
1180 | * @wb: wb index | |
1181 | * | |
1182 | * Free a wb slot allocated for use by the driver (all asics) | |
1183 | */ | |
131b4b36 | 1184 | void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) |
d38ceaf9 | 1185 | { |
73469585 | 1186 | wb >>= 3; |
d38ceaf9 | 1187 | if (wb < adev->wb.num_wb) |
73469585 | 1188 | __clear_bit(wb, adev->wb.used); |
d38ceaf9 AD |
1189 | } |
1190 | ||
d6895ad3 CK |
1191 | /** |
1192 | * amdgpu_device_resize_fb_bar - try to resize FB BAR | |
1193 | * | |
1194 | * @adev: amdgpu_device pointer | |
1195 | * | |
1196 | * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not | |
1197 | * to fail, but if any of the BARs is not accessible after the size we abort | |
1198 | * driver loading by returning -ENODEV. | |
1199 | */ | |
1200 | int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) | |
1201 | { | |
453f617a | 1202 | int rbar_size = pci_rebar_bytes_to_size(adev->gmc.real_vram_size); |
31b8adab CK |
1203 | struct pci_bus *root; |
1204 | struct resource *res; | |
1205 | unsigned i; | |
d6895ad3 CK |
1206 | u16 cmd; |
1207 | int r; | |
1208 | ||
0c03b912 | 1209 | /* Bypass for VF */ |
1210 | if (amdgpu_sriov_vf(adev)) | |
1211 | return 0; | |
1212 | ||
b7221f2b AD |
1213 | /* skip if the bios has already enabled large BAR */ |
1214 | if (adev->gmc.real_vram_size && | |
1215 | (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) | |
1216 | return 0; | |
1217 | ||
31b8adab CK |
1218 | /* Check if the root BUS has 64bit memory resources */ |
1219 | root = adev->pdev->bus; | |
1220 | while (root->parent) | |
1221 | root = root->parent; | |
1222 | ||
1223 | pci_bus_for_each_resource(root, res, i) { | |
0ebb7c54 | 1224 | if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && |
31b8adab CK |
1225 | res->start > 0x100000000ull) |
1226 | break; | |
1227 | } | |
1228 | ||
1229 | /* Trying to resize is pointless without a root hub window above 4GB */ | |
1230 | if (!res) | |
1231 | return 0; | |
1232 | ||
453f617a ND |
1233 | /* Limit the BAR size to what is available */ |
1234 | rbar_size = min(fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1, | |
1235 | rbar_size); | |
1236 | ||
d6895ad3 CK |
1237 | /* Disable memory decoding while we change the BAR addresses and size */ |
1238 | pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); | |
1239 | pci_write_config_word(adev->pdev, PCI_COMMAND, | |
1240 | cmd & ~PCI_COMMAND_MEMORY); | |
1241 | ||
1242 | /* Free the VRAM and doorbell BAR, we most likely need to move both. */ | |
06ec9070 | 1243 | amdgpu_device_doorbell_fini(adev); |
d6895ad3 CK |
1244 | if (adev->asic_type >= CHIP_BONAIRE) |
1245 | pci_release_resource(adev->pdev, 2); | |
1246 | ||
1247 | pci_release_resource(adev->pdev, 0); | |
1248 | ||
1249 | r = pci_resize_resource(adev->pdev, 0, rbar_size); | |
1250 | if (r == -ENOSPC) | |
1251 | DRM_INFO("Not enough PCI address space for a large BAR."); | |
1252 | else if (r && r != -ENOTSUPP) | |
1253 | DRM_ERROR("Problem resizing BAR0 (%d).", r); | |
1254 | ||
1255 | pci_assign_unassigned_bus_resources(adev->pdev->bus); | |
1256 | ||
1257 | /* When the doorbell or fb BAR isn't available we have no chance of | |
1258 | * using the device. | |
1259 | */ | |
06ec9070 | 1260 | r = amdgpu_device_doorbell_init(adev); |
d6895ad3 CK |
1261 | if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) |
1262 | return -ENODEV; | |
1263 | ||
1264 | pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); | |
1265 | ||
1266 | return 0; | |
1267 | } | |
a05502e5 | 1268 | |
d38ceaf9 AD |
1269 | /* |
1270 | * GPU helpers function. | |
1271 | */ | |
1272 | /** | |
39c640c0 | 1273 | * amdgpu_device_need_post - check if the hw need post or not |
d38ceaf9 AD |
1274 | * |
1275 | * @adev: amdgpu_device pointer | |
1276 | * | |
c836fec5 JQ |
1277 | * Check if the asic has been initialized (all asics) at driver startup |
1278 | * or post is needed if hw reset is performed. | |
1279 | * Returns true if need or false if not. | |
d38ceaf9 | 1280 | */ |
39c640c0 | 1281 | bool amdgpu_device_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
1282 | { |
1283 | uint32_t reg; | |
1284 | ||
bec86378 ML |
1285 | if (amdgpu_sriov_vf(adev)) |
1286 | return false; | |
1287 | ||
1288 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
1289 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
1290 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
1291 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
1292 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
1293 | */ |
1294 | if (adev->asic_type == CHIP_FIJI) { | |
1295 | int err; | |
1296 | uint32_t fw_ver; | |
1297 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
1298 | /* force vPost if error occured */ | |
1299 | if (err) | |
1300 | return true; | |
1301 | ||
1302 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
1303 | if (fw_ver < 0x00160e00) |
1304 | return true; | |
bec86378 | 1305 | } |
bec86378 | 1306 | } |
91fe77eb | 1307 | |
e3c1b071 | 1308 | /* Don't post if we need to reset whole hive on init */ |
1309 | if (adev->gmc.xgmi.pending_reset) | |
1310 | return false; | |
1311 | ||
91fe77eb | 1312 | if (adev->has_hw_reset) { |
1313 | adev->has_hw_reset = false; | |
1314 | return true; | |
1315 | } | |
1316 | ||
1317 | /* bios scratch used on CIK+ */ | |
1318 | if (adev->asic_type >= CHIP_BONAIRE) | |
1319 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
1320 | ||
1321 | /* check MEM_SIZE for older asics */ | |
1322 | reg = amdgpu_asic_get_config_memsize(adev); | |
1323 | ||
1324 | if ((reg != 0) && (reg != 0xffffffff)) | |
1325 | return false; | |
1326 | ||
1327 | return true; | |
bec86378 ML |
1328 | } |
1329 | ||
0ab5d711 ML |
1330 | /** |
1331 | * amdgpu_device_should_use_aspm - check if the device should program ASPM | |
1332 | * | |
1333 | * @adev: amdgpu_device pointer | |
1334 | * | |
1335 | * Confirm whether the module parameter and pcie bridge agree that ASPM should | |
1336 | * be set for this device. | |
1337 | * | |
1338 | * Returns true if it should be used or false if not. | |
1339 | */ | |
1340 | bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev) | |
1341 | { | |
1342 | switch (amdgpu_aspm) { | |
1343 | case -1: | |
1344 | break; | |
1345 | case 0: | |
1346 | return false; | |
1347 | case 1: | |
1348 | return true; | |
1349 | default: | |
1350 | return false; | |
1351 | } | |
1352 | return pcie_aspm_enabled(adev->pdev); | |
1353 | } | |
1354 | ||
d38ceaf9 AD |
1355 | /* if we get transitioned to only one device, take VGA back */ |
1356 | /** | |
06ec9070 | 1357 | * amdgpu_device_vga_set_decode - enable/disable vga decode |
d38ceaf9 | 1358 | * |
bf44e8ce | 1359 | * @pdev: PCI device pointer |
d38ceaf9 AD |
1360 | * @state: enable/disable vga decode |
1361 | * | |
1362 | * Enable/disable vga decode (all asics). | |
1363 | * Returns VGA resource flags. | |
1364 | */ | |
bf44e8ce CH |
1365 | static unsigned int amdgpu_device_vga_set_decode(struct pci_dev *pdev, |
1366 | bool state) | |
d38ceaf9 | 1367 | { |
bf44e8ce | 1368 | struct amdgpu_device *adev = drm_to_adev(pci_get_drvdata(pdev)); |
d38ceaf9 AD |
1369 | amdgpu_asic_set_vga_state(adev, state); |
1370 | if (state) | |
1371 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1372 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1373 | else | |
1374 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1375 | } | |
1376 | ||
e3ecdffa AD |
1377 | /** |
1378 | * amdgpu_device_check_block_size - validate the vm block size | |
1379 | * | |
1380 | * @adev: amdgpu_device pointer | |
1381 | * | |
1382 | * Validates the vm block size specified via module parameter. | |
1383 | * The vm block size defines number of bits in page table versus page directory, | |
1384 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1385 | * page table and the remaining bits are in the page directory. | |
1386 | */ | |
06ec9070 | 1387 | static void amdgpu_device_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1388 | { |
1389 | /* defines number of bits in page table versus page directory, | |
1390 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1391 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
1392 | if (amdgpu_vm_block_size == -1) |
1393 | return; | |
a1adf8be | 1394 | |
bab4fee7 | 1395 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1396 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1397 | amdgpu_vm_block_size); | |
97489129 | 1398 | amdgpu_vm_block_size = -1; |
a1adf8be | 1399 | } |
a1adf8be CZ |
1400 | } |
1401 | ||
e3ecdffa AD |
1402 | /** |
1403 | * amdgpu_device_check_vm_size - validate the vm size | |
1404 | * | |
1405 | * @adev: amdgpu_device pointer | |
1406 | * | |
1407 | * Validates the vm size in GB specified via module parameter. | |
1408 | * The VM size is the size of the GPU virtual memory space in GB. | |
1409 | */ | |
06ec9070 | 1410 | static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) |
83ca145d | 1411 | { |
64dab074 AD |
1412 | /* no need to check the default value */ |
1413 | if (amdgpu_vm_size == -1) | |
1414 | return; | |
1415 | ||
83ca145d ZJ |
1416 | if (amdgpu_vm_size < 1) { |
1417 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1418 | amdgpu_vm_size); | |
f3368128 | 1419 | amdgpu_vm_size = -1; |
83ca145d | 1420 | } |
83ca145d ZJ |
1421 | } |
1422 | ||
7951e376 RZ |
1423 | static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) |
1424 | { | |
1425 | struct sysinfo si; | |
a9d4fe2f | 1426 | bool is_os_64 = (sizeof(void *) == 8); |
7951e376 RZ |
1427 | uint64_t total_memory; |
1428 | uint64_t dram_size_seven_GB = 0x1B8000000; | |
1429 | uint64_t dram_size_three_GB = 0xB8000000; | |
1430 | ||
1431 | if (amdgpu_smu_memory_pool_size == 0) | |
1432 | return; | |
1433 | ||
1434 | if (!is_os_64) { | |
1435 | DRM_WARN("Not 64-bit OS, feature not supported\n"); | |
1436 | goto def_value; | |
1437 | } | |
1438 | si_meminfo(&si); | |
1439 | total_memory = (uint64_t)si.totalram * si.mem_unit; | |
1440 | ||
1441 | if ((amdgpu_smu_memory_pool_size == 1) || | |
1442 | (amdgpu_smu_memory_pool_size == 2)) { | |
1443 | if (total_memory < dram_size_three_GB) | |
1444 | goto def_value1; | |
1445 | } else if ((amdgpu_smu_memory_pool_size == 4) || | |
1446 | (amdgpu_smu_memory_pool_size == 8)) { | |
1447 | if (total_memory < dram_size_seven_GB) | |
1448 | goto def_value1; | |
1449 | } else { | |
1450 | DRM_WARN("Smu memory pool size not supported\n"); | |
1451 | goto def_value; | |
1452 | } | |
1453 | adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; | |
1454 | ||
1455 | return; | |
1456 | ||
1457 | def_value1: | |
1458 | DRM_WARN("No enough system memory\n"); | |
1459 | def_value: | |
1460 | adev->pm.smu_prv_buffer_size = 0; | |
1461 | } | |
1462 | ||
9f6a7857 HR |
1463 | static int amdgpu_device_init_apu_flags(struct amdgpu_device *adev) |
1464 | { | |
1465 | if (!(adev->flags & AMD_IS_APU) || | |
1466 | adev->asic_type < CHIP_RAVEN) | |
1467 | return 0; | |
1468 | ||
1469 | switch (adev->asic_type) { | |
1470 | case CHIP_RAVEN: | |
1471 | if (adev->pdev->device == 0x15dd) | |
1472 | adev->apu_flags |= AMD_APU_IS_RAVEN; | |
1473 | if (adev->pdev->device == 0x15d8) | |
1474 | adev->apu_flags |= AMD_APU_IS_PICASSO; | |
1475 | break; | |
1476 | case CHIP_RENOIR: | |
1477 | if ((adev->pdev->device == 0x1636) || | |
1478 | (adev->pdev->device == 0x164c)) | |
1479 | adev->apu_flags |= AMD_APU_IS_RENOIR; | |
1480 | else | |
1481 | adev->apu_flags |= AMD_APU_IS_GREEN_SARDINE; | |
1482 | break; | |
1483 | case CHIP_VANGOGH: | |
1484 | adev->apu_flags |= AMD_APU_IS_VANGOGH; | |
1485 | break; | |
1486 | case CHIP_YELLOW_CARP: | |
1487 | break; | |
d0f56dc2 | 1488 | case CHIP_CYAN_SKILLFISH: |
dfcc3e8c AD |
1489 | if ((adev->pdev->device == 0x13FE) || |
1490 | (adev->pdev->device == 0x143F)) | |
d0f56dc2 TZ |
1491 | adev->apu_flags |= AMD_APU_IS_CYAN_SKILLFISH2; |
1492 | break; | |
9f6a7857 | 1493 | default: |
4eaf21b7 | 1494 | break; |
9f6a7857 HR |
1495 | } |
1496 | ||
1497 | return 0; | |
1498 | } | |
1499 | ||
d38ceaf9 | 1500 | /** |
06ec9070 | 1501 | * amdgpu_device_check_arguments - validate module params |
d38ceaf9 AD |
1502 | * |
1503 | * @adev: amdgpu_device pointer | |
1504 | * | |
1505 | * Validates certain module parameters and updates | |
1506 | * the associated values used by the driver (all asics). | |
1507 | */ | |
912dfc84 | 1508 | static int amdgpu_device_check_arguments(struct amdgpu_device *adev) |
d38ceaf9 | 1509 | { |
5b011235 CZ |
1510 | if (amdgpu_sched_jobs < 4) { |
1511 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1512 | amdgpu_sched_jobs); | |
1513 | amdgpu_sched_jobs = 4; | |
76117507 | 1514 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
1515 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1516 | amdgpu_sched_jobs); | |
1517 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1518 | } | |
d38ceaf9 | 1519 | |
83e74db6 | 1520 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1521 | /* gart size must be greater or equal to 32M */ |
1522 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1523 | amdgpu_gart_size); | |
83e74db6 | 1524 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1525 | } |
1526 | ||
36d38372 | 1527 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1528 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1529 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1530 | amdgpu_gtt_size); | |
1531 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1532 | } |
1533 | ||
d07f14be RH |
1534 | /* valid range is between 4 and 9 inclusive */ |
1535 | if (amdgpu_vm_fragment_size != -1 && | |
1536 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1537 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1538 | amdgpu_vm_fragment_size = -1; | |
1539 | } | |
1540 | ||
5d5bd5e3 KW |
1541 | if (amdgpu_sched_hw_submission < 2) { |
1542 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be at least 2\n", | |
1543 | amdgpu_sched_hw_submission); | |
1544 | amdgpu_sched_hw_submission = 2; | |
1545 | } else if (!is_power_of_2(amdgpu_sched_hw_submission)) { | |
1546 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be a power of 2\n", | |
1547 | amdgpu_sched_hw_submission); | |
1548 | amdgpu_sched_hw_submission = roundup_pow_of_two(amdgpu_sched_hw_submission); | |
1549 | } | |
1550 | ||
2656fd23 AG |
1551 | if (amdgpu_reset_method < -1 || amdgpu_reset_method > 4) { |
1552 | dev_warn(adev->dev, "invalid option for reset method, reverting to default\n"); | |
1553 | amdgpu_reset_method = -1; | |
1554 | } | |
1555 | ||
7951e376 RZ |
1556 | amdgpu_device_check_smu_prv_buffer_size(adev); |
1557 | ||
06ec9070 | 1558 | amdgpu_device_check_vm_size(adev); |
d38ceaf9 | 1559 | |
06ec9070 | 1560 | amdgpu_device_check_block_size(adev); |
6a7f76e7 | 1561 | |
19aede77 | 1562 | adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); |
912dfc84 | 1563 | |
e3c00faa | 1564 | return 0; |
d38ceaf9 AD |
1565 | } |
1566 | ||
1567 | /** | |
1568 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1569 | * | |
1570 | * @pdev: pci dev pointer | |
1694467b | 1571 | * @state: vga_switcheroo state |
d38ceaf9 | 1572 | * |
12024b17 | 1573 | * Callback for the switcheroo driver. Suspends or resumes |
d38ceaf9 AD |
1574 | * the asics before or after it is powered up using ACPI methods. |
1575 | */ | |
8aba21b7 LT |
1576 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, |
1577 | enum vga_switcheroo_state state) | |
d38ceaf9 AD |
1578 | { |
1579 | struct drm_device *dev = pci_get_drvdata(pdev); | |
de185019 | 1580 | int r; |
d38ceaf9 | 1581 | |
b98c6299 | 1582 | if (amdgpu_device_supports_px(dev) && state == VGA_SWITCHEROO_OFF) |
d38ceaf9 AD |
1583 | return; |
1584 | ||
1585 | if (state == VGA_SWITCHEROO_ON) { | |
dd4fa6c1 | 1586 | pr_info("switched on\n"); |
d38ceaf9 AD |
1587 | /* don't suspend or resume card normally */ |
1588 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1589 | ||
8f66090b TZ |
1590 | pci_set_power_state(pdev, PCI_D0); |
1591 | amdgpu_device_load_pci_state(pdev); | |
1592 | r = pci_enable_device(pdev); | |
de185019 AD |
1593 | if (r) |
1594 | DRM_WARN("pci_enable_device failed (%d)\n", r); | |
1595 | amdgpu_device_resume(dev, true); | |
d38ceaf9 | 1596 | |
d38ceaf9 | 1597 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
d38ceaf9 | 1598 | } else { |
dd4fa6c1 | 1599 | pr_info("switched off\n"); |
d38ceaf9 | 1600 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; |
de185019 | 1601 | amdgpu_device_suspend(dev, true); |
8f66090b | 1602 | amdgpu_device_cache_pci_state(pdev); |
de185019 | 1603 | /* Shut down the device */ |
8f66090b TZ |
1604 | pci_disable_device(pdev); |
1605 | pci_set_power_state(pdev, PCI_D3cold); | |
d38ceaf9 AD |
1606 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1607 | } | |
1608 | } | |
1609 | ||
1610 | /** | |
1611 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1612 | * | |
1613 | * @pdev: pci dev pointer | |
1614 | * | |
1615 | * Callback for the switcheroo driver. Check of the switcheroo | |
1616 | * state can be changed. | |
1617 | * Returns true if the state can be changed, false if not. | |
1618 | */ | |
1619 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1620 | { | |
1621 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1622 | ||
1623 | /* | |
1624 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1625 | * locking inversion with the driver load path. And the access here is | |
1626 | * completely racy anyway. So don't bother with locking for now. | |
1627 | */ | |
7e13ad89 | 1628 | return atomic_read(&dev->open_count) == 0; |
d38ceaf9 AD |
1629 | } |
1630 | ||
1631 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1632 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1633 | .reprobe = NULL, | |
1634 | .can_switch = amdgpu_switcheroo_can_switch, | |
1635 | }; | |
1636 | ||
e3ecdffa AD |
1637 | /** |
1638 | * amdgpu_device_ip_set_clockgating_state - set the CG state | |
1639 | * | |
87e3f136 | 1640 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1641 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1642 | * @state: clockgating state (gate or ungate) | |
1643 | * | |
1644 | * Sets the requested clockgating state for all instances of | |
1645 | * the hardware IP specified. | |
1646 | * Returns the error code from the last instance. | |
1647 | */ | |
43fa561f | 1648 | int amdgpu_device_ip_set_clockgating_state(void *dev, |
2990a1fc AD |
1649 | enum amd_ip_block_type block_type, |
1650 | enum amd_clockgating_state state) | |
d38ceaf9 | 1651 | { |
43fa561f | 1652 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1653 | int i, r = 0; |
1654 | ||
1655 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1656 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1657 | continue; |
c722865a RZ |
1658 | if (adev->ip_blocks[i].version->type != block_type) |
1659 | continue; | |
1660 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1661 | continue; | |
1662 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1663 | (void *)adev, state); | |
1664 | if (r) | |
1665 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1666 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1667 | } |
1668 | return r; | |
1669 | } | |
1670 | ||
e3ecdffa AD |
1671 | /** |
1672 | * amdgpu_device_ip_set_powergating_state - set the PG state | |
1673 | * | |
87e3f136 | 1674 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1675 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1676 | * @state: powergating state (gate or ungate) | |
1677 | * | |
1678 | * Sets the requested powergating state for all instances of | |
1679 | * the hardware IP specified. | |
1680 | * Returns the error code from the last instance. | |
1681 | */ | |
43fa561f | 1682 | int amdgpu_device_ip_set_powergating_state(void *dev, |
2990a1fc AD |
1683 | enum amd_ip_block_type block_type, |
1684 | enum amd_powergating_state state) | |
d38ceaf9 | 1685 | { |
43fa561f | 1686 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1687 | int i, r = 0; |
1688 | ||
1689 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1690 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1691 | continue; |
c722865a RZ |
1692 | if (adev->ip_blocks[i].version->type != block_type) |
1693 | continue; | |
1694 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1695 | continue; | |
1696 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1697 | (void *)adev, state); | |
1698 | if (r) | |
1699 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1700 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1701 | } |
1702 | return r; | |
1703 | } | |
1704 | ||
e3ecdffa AD |
1705 | /** |
1706 | * amdgpu_device_ip_get_clockgating_state - get the CG state | |
1707 | * | |
1708 | * @adev: amdgpu_device pointer | |
1709 | * @flags: clockgating feature flags | |
1710 | * | |
1711 | * Walks the list of IPs on the device and updates the clockgating | |
1712 | * flags for each IP. | |
1713 | * Updates @flags with the feature flags for each hardware IP where | |
1714 | * clockgating is enabled. | |
1715 | */ | |
2990a1fc | 1716 | void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, |
25faeddc | 1717 | u64 *flags) |
6cb2d4e4 HR |
1718 | { |
1719 | int i; | |
1720 | ||
1721 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1722 | if (!adev->ip_blocks[i].status.valid) | |
1723 | continue; | |
1724 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1725 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1726 | } | |
1727 | } | |
1728 | ||
e3ecdffa AD |
1729 | /** |
1730 | * amdgpu_device_ip_wait_for_idle - wait for idle | |
1731 | * | |
1732 | * @adev: amdgpu_device pointer | |
1733 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1734 | * | |
1735 | * Waits for the request hardware IP to be idle. | |
1736 | * Returns 0 for success or a negative error code on failure. | |
1737 | */ | |
2990a1fc AD |
1738 | int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, |
1739 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1740 | { |
1741 | int i, r; | |
1742 | ||
1743 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1744 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1745 | continue; |
a1255107 AD |
1746 | if (adev->ip_blocks[i].version->type == block_type) { |
1747 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1748 | if (r) |
1749 | return r; | |
1750 | break; | |
1751 | } | |
1752 | } | |
1753 | return 0; | |
1754 | ||
1755 | } | |
1756 | ||
e3ecdffa AD |
1757 | /** |
1758 | * amdgpu_device_ip_is_idle - is the hardware IP idle | |
1759 | * | |
1760 | * @adev: amdgpu_device pointer | |
1761 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1762 | * | |
1763 | * Check if the hardware IP is idle or not. | |
1764 | * Returns true if it the IP is idle, false if not. | |
1765 | */ | |
2990a1fc AD |
1766 | bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, |
1767 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1768 | { |
1769 | int i; | |
1770 | ||
1771 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1772 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1773 | continue; |
a1255107 AD |
1774 | if (adev->ip_blocks[i].version->type == block_type) |
1775 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1776 | } |
1777 | return true; | |
1778 | ||
1779 | } | |
1780 | ||
e3ecdffa AD |
1781 | /** |
1782 | * amdgpu_device_ip_get_ip_block - get a hw IP pointer | |
1783 | * | |
1784 | * @adev: amdgpu_device pointer | |
87e3f136 | 1785 | * @type: Type of hardware IP (SMU, GFX, UVD, etc.) |
e3ecdffa AD |
1786 | * |
1787 | * Returns a pointer to the hardware IP block structure | |
1788 | * if it exists for the asic, otherwise NULL. | |
1789 | */ | |
2990a1fc AD |
1790 | struct amdgpu_ip_block * |
1791 | amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, | |
1792 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1793 | { |
1794 | int i; | |
1795 | ||
1796 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1797 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1798 | return &adev->ip_blocks[i]; |
1799 | ||
1800 | return NULL; | |
1801 | } | |
1802 | ||
1803 | /** | |
2990a1fc | 1804 | * amdgpu_device_ip_block_version_cmp |
d38ceaf9 AD |
1805 | * |
1806 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1807 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1808 | * @major: major version |
1809 | * @minor: minor version | |
1810 | * | |
1811 | * return 0 if equal or greater | |
1812 | * return 1 if smaller or the ip_block doesn't exist | |
1813 | */ | |
2990a1fc AD |
1814 | int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, |
1815 | enum amd_ip_block_type type, | |
1816 | u32 major, u32 minor) | |
d38ceaf9 | 1817 | { |
2990a1fc | 1818 | struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); |
d38ceaf9 | 1819 | |
a1255107 AD |
1820 | if (ip_block && ((ip_block->version->major > major) || |
1821 | ((ip_block->version->major == major) && | |
1822 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1823 | return 0; |
1824 | ||
1825 | return 1; | |
1826 | } | |
1827 | ||
a1255107 | 1828 | /** |
2990a1fc | 1829 | * amdgpu_device_ip_block_add |
a1255107 AD |
1830 | * |
1831 | * @adev: amdgpu_device pointer | |
1832 | * @ip_block_version: pointer to the IP to add | |
1833 | * | |
1834 | * Adds the IP block driver information to the collection of IPs | |
1835 | * on the asic. | |
1836 | */ | |
2990a1fc AD |
1837 | int amdgpu_device_ip_block_add(struct amdgpu_device *adev, |
1838 | const struct amdgpu_ip_block_version *ip_block_version) | |
a1255107 AD |
1839 | { |
1840 | if (!ip_block_version) | |
1841 | return -EINVAL; | |
1842 | ||
7bd939d0 LG |
1843 | switch (ip_block_version->type) { |
1844 | case AMD_IP_BLOCK_TYPE_VCN: | |
1845 | if (adev->harvest_ip_mask & AMD_HARVEST_IP_VCN_MASK) | |
1846 | return 0; | |
1847 | break; | |
1848 | case AMD_IP_BLOCK_TYPE_JPEG: | |
1849 | if (adev->harvest_ip_mask & AMD_HARVEST_IP_JPEG_MASK) | |
1850 | return 0; | |
1851 | break; | |
1852 | default: | |
1853 | break; | |
1854 | } | |
1855 | ||
e966a725 | 1856 | DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, |
a0bae357 HR |
1857 | ip_block_version->funcs->name); |
1858 | ||
a1255107 AD |
1859 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1860 | ||
1861 | return 0; | |
1862 | } | |
1863 | ||
e3ecdffa AD |
1864 | /** |
1865 | * amdgpu_device_enable_virtual_display - enable virtual display feature | |
1866 | * | |
1867 | * @adev: amdgpu_device pointer | |
1868 | * | |
1869 | * Enabled the virtual display feature if the user has enabled it via | |
1870 | * the module parameter virtual_display. This feature provides a virtual | |
1871 | * display hardware on headless boards or in virtualized environments. | |
1872 | * This function parses and validates the configuration string specified by | |
1873 | * the user and configues the virtual display configuration (number of | |
1874 | * virtual connectors, crtcs, etc.) specified. | |
1875 | */ | |
483ef985 | 1876 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1877 | { |
1878 | adev->enable_virtual_display = false; | |
1879 | ||
1880 | if (amdgpu_virtual_display) { | |
8f66090b | 1881 | const char *pci_address_name = pci_name(adev->pdev); |
0f66356d | 1882 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1883 | |
1884 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1885 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1886 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1887 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1888 | if (!strcmp("all", pciaddname) |
1889 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1890 | long num_crtc; |
1891 | int res = -1; | |
1892 | ||
9accf2fd | 1893 | adev->enable_virtual_display = true; |
0f66356d ED |
1894 | |
1895 | if (pciaddname_tmp) | |
1896 | res = kstrtol(pciaddname_tmp, 10, | |
1897 | &num_crtc); | |
1898 | ||
1899 | if (!res) { | |
1900 | if (num_crtc < 1) | |
1901 | num_crtc = 1; | |
1902 | if (num_crtc > 6) | |
1903 | num_crtc = 6; | |
1904 | adev->mode_info.num_crtc = num_crtc; | |
1905 | } else { | |
1906 | adev->mode_info.num_crtc = 1; | |
1907 | } | |
9accf2fd ED |
1908 | break; |
1909 | } | |
1910 | } | |
1911 | ||
0f66356d ED |
1912 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1913 | amdgpu_virtual_display, pci_address_name, | |
1914 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1915 | |
1916 | kfree(pciaddstr); | |
1917 | } | |
1918 | } | |
1919 | ||
25263da3 AD |
1920 | void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev) |
1921 | { | |
1922 | if (amdgpu_sriov_vf(adev) && !adev->enable_virtual_display) { | |
1923 | adev->mode_info.num_crtc = 1; | |
1924 | adev->enable_virtual_display = true; | |
1925 | DRM_INFO("virtual_display:%d, num_crtc:%d\n", | |
1926 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
1927 | } | |
1928 | } | |
1929 | ||
e3ecdffa AD |
1930 | /** |
1931 | * amdgpu_device_parse_gpu_info_fw - parse gpu info firmware | |
1932 | * | |
1933 | * @adev: amdgpu_device pointer | |
1934 | * | |
1935 | * Parses the asic configuration parameters specified in the gpu info | |
1936 | * firmware and makes them availale to the driver for use in configuring | |
1937 | * the asic. | |
1938 | * Returns 0 on success, -EINVAL on failure. | |
1939 | */ | |
e2a75f88 AD |
1940 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1941 | { | |
e2a75f88 | 1942 | const char *chip_name; |
c0a43457 | 1943 | char fw_name[40]; |
e2a75f88 AD |
1944 | int err; |
1945 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1946 | ||
ab4fe3e1 HR |
1947 | adev->firmware.gpu_info_fw = NULL; |
1948 | ||
72de33f8 | 1949 | if (adev->mman.discovery_bin) { |
cc375d8c TY |
1950 | /* |
1951 | * FIXME: The bounding box is still needed by Navi12, so | |
e24d0e91 | 1952 | * temporarily read it from gpu_info firmware. Should be dropped |
cc375d8c TY |
1953 | * when DAL no longer needs it. |
1954 | */ | |
1955 | if (adev->asic_type != CHIP_NAVI12) | |
1956 | return 0; | |
258620d0 AD |
1957 | } |
1958 | ||
e2a75f88 | 1959 | switch (adev->asic_type) { |
e2a75f88 AD |
1960 | default: |
1961 | return 0; | |
1962 | case CHIP_VEGA10: | |
1963 | chip_name = "vega10"; | |
1964 | break; | |
3f76dced AD |
1965 | case CHIP_VEGA12: |
1966 | chip_name = "vega12"; | |
1967 | break; | |
2d2e5e7e | 1968 | case CHIP_RAVEN: |
54f78a76 | 1969 | if (adev->apu_flags & AMD_APU_IS_RAVEN2) |
54c4d17e | 1970 | chip_name = "raven2"; |
54f78a76 | 1971 | else if (adev->apu_flags & AMD_APU_IS_PICASSO) |
741deade | 1972 | chip_name = "picasso"; |
54c4d17e FX |
1973 | else |
1974 | chip_name = "raven"; | |
2d2e5e7e | 1975 | break; |
65e60f6e LM |
1976 | case CHIP_ARCTURUS: |
1977 | chip_name = "arcturus"; | |
1978 | break; | |
42b325e5 XY |
1979 | case CHIP_NAVI12: |
1980 | chip_name = "navi12"; | |
1981 | break; | |
e2a75f88 AD |
1982 | } |
1983 | ||
1984 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1985 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1986 | if (err) { |
1987 | dev_err(adev->dev, | |
1988 | "Failed to load gpu_info firmware \"%s\"\n", | |
1989 | fw_name); | |
1990 | goto out; | |
1991 | } | |
ab4fe3e1 | 1992 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1993 | if (err) { |
1994 | dev_err(adev->dev, | |
1995 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1996 | fw_name); | |
1997 | goto out; | |
1998 | } | |
1999 | ||
ab4fe3e1 | 2000 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
2001 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
2002 | ||
2003 | switch (hdr->version_major) { | |
2004 | case 1: | |
2005 | { | |
2006 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 2007 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
2008 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
2009 | ||
cc375d8c TY |
2010 | /* |
2011 | * Should be droped when DAL no longer needs it. | |
2012 | */ | |
2013 | if (adev->asic_type == CHIP_NAVI12) | |
ec51d3fa XY |
2014 | goto parse_soc_bounding_box; |
2015 | ||
b5ab16bf AD |
2016 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
2017 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
2018 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
2019 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 2020 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
2021 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
2022 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
2023 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
2024 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
2025 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 2026 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
2027 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
2028 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
2029 | adev->gfx.cu_info.max_waves_per_simd = |
2030 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
2031 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
2032 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
2033 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
48321c3d | 2034 | if (hdr->version_minor >= 1) { |
35c2e910 HZ |
2035 | const struct gpu_info_firmware_v1_1 *gpu_info_fw = |
2036 | (const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data + | |
2037 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
2038 | adev->gfx.config.num_sc_per_sh = | |
2039 | le32_to_cpu(gpu_info_fw->num_sc_per_sh); | |
2040 | adev->gfx.config.num_packer_per_sc = | |
2041 | le32_to_cpu(gpu_info_fw->num_packer_per_sc); | |
2042 | } | |
ec51d3fa XY |
2043 | |
2044 | parse_soc_bounding_box: | |
ec51d3fa XY |
2045 | /* |
2046 | * soc bounding box info is not integrated in disocovery table, | |
258620d0 | 2047 | * we always need to parse it from gpu info firmware if needed. |
ec51d3fa | 2048 | */ |
48321c3d HW |
2049 | if (hdr->version_minor == 2) { |
2050 | const struct gpu_info_firmware_v1_2 *gpu_info_fw = | |
2051 | (const struct gpu_info_firmware_v1_2 *)(adev->firmware.gpu_info_fw->data + | |
2052 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
2053 | adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box; | |
2054 | } | |
e2a75f88 AD |
2055 | break; |
2056 | } | |
2057 | default: | |
2058 | dev_err(adev->dev, | |
2059 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
2060 | err = -EINVAL; | |
2061 | goto out; | |
2062 | } | |
2063 | out: | |
e2a75f88 AD |
2064 | return err; |
2065 | } | |
2066 | ||
e3ecdffa AD |
2067 | /** |
2068 | * amdgpu_device_ip_early_init - run early init for hardware IPs | |
2069 | * | |
2070 | * @adev: amdgpu_device pointer | |
2071 | * | |
2072 | * Early initialization pass for hardware IPs. The hardware IPs that make | |
2073 | * up each asic are discovered each IP's early_init callback is run. This | |
2074 | * is the first stage in initializing the asic. | |
2075 | * Returns 0 on success, negative error code on failure. | |
2076 | */ | |
06ec9070 | 2077 | static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) |
d38ceaf9 | 2078 | { |
901e2be2 AD |
2079 | struct drm_device *dev = adev_to_drm(adev); |
2080 | struct pci_dev *parent; | |
aaa36a97 | 2081 | int i, r; |
d38ceaf9 | 2082 | |
483ef985 | 2083 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 2084 | |
00a979f3 | 2085 | if (amdgpu_sriov_vf(adev)) { |
00a979f3 | 2086 | r = amdgpu_virt_request_full_gpu(adev, true); |
aaa36a97 AD |
2087 | if (r) |
2088 | return r; | |
00a979f3 WS |
2089 | } |
2090 | ||
d38ceaf9 | 2091 | switch (adev->asic_type) { |
33f34802 KW |
2092 | #ifdef CONFIG_DRM_AMDGPU_SI |
2093 | case CHIP_VERDE: | |
2094 | case CHIP_TAHITI: | |
2095 | case CHIP_PITCAIRN: | |
2096 | case CHIP_OLAND: | |
2097 | case CHIP_HAINAN: | |
295d0daf | 2098 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
2099 | r = si_set_ip_blocks(adev); |
2100 | if (r) | |
2101 | return r; | |
2102 | break; | |
2103 | #endif | |
a2e73f56 AD |
2104 | #ifdef CONFIG_DRM_AMDGPU_CIK |
2105 | case CHIP_BONAIRE: | |
2106 | case CHIP_HAWAII: | |
2107 | case CHIP_KAVERI: | |
2108 | case CHIP_KABINI: | |
2109 | case CHIP_MULLINS: | |
e1ad2d53 | 2110 | if (adev->flags & AMD_IS_APU) |
a2e73f56 | 2111 | adev->family = AMDGPU_FAMILY_KV; |
e1ad2d53 AD |
2112 | else |
2113 | adev->family = AMDGPU_FAMILY_CI; | |
a2e73f56 AD |
2114 | |
2115 | r = cik_set_ip_blocks(adev); | |
2116 | if (r) | |
2117 | return r; | |
2118 | break; | |
2119 | #endif | |
da87c30b AD |
2120 | case CHIP_TOPAZ: |
2121 | case CHIP_TONGA: | |
2122 | case CHIP_FIJI: | |
2123 | case CHIP_POLARIS10: | |
2124 | case CHIP_POLARIS11: | |
2125 | case CHIP_POLARIS12: | |
2126 | case CHIP_VEGAM: | |
2127 | case CHIP_CARRIZO: | |
2128 | case CHIP_STONEY: | |
2129 | if (adev->flags & AMD_IS_APU) | |
2130 | adev->family = AMDGPU_FAMILY_CZ; | |
2131 | else | |
2132 | adev->family = AMDGPU_FAMILY_VI; | |
2133 | ||
2134 | r = vi_set_ip_blocks(adev); | |
2135 | if (r) | |
2136 | return r; | |
2137 | break; | |
d38ceaf9 | 2138 | default: |
63352b7f AD |
2139 | r = amdgpu_discovery_set_ip_blocks(adev); |
2140 | if (r) | |
2141 | return r; | |
2142 | break; | |
d38ceaf9 AD |
2143 | } |
2144 | ||
901e2be2 AD |
2145 | if (amdgpu_has_atpx() && |
2146 | (amdgpu_is_atpx_hybrid() || | |
2147 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
2148 | ((adev->flags & AMD_IS_APU) == 0) && | |
2149 | !pci_is_thunderbolt_attached(to_pci_dev(dev->dev))) | |
2150 | adev->flags |= AMD_IS_PX; | |
2151 | ||
85ac2021 AD |
2152 | if (!(adev->flags & AMD_IS_APU)) { |
2153 | parent = pci_upstream_bridge(adev->pdev); | |
2154 | adev->has_pr3 = parent ? pci_pr3_present(parent) : false; | |
2155 | } | |
901e2be2 | 2156 | |
c004d44e | 2157 | amdgpu_amdkfd_device_probe(adev); |
1884734a | 2158 | |
3b94fb10 | 2159 | adev->pm.pp_feature = amdgpu_pp_feature_mask; |
a35ad98b | 2160 | if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) |
00544006 | 2161 | adev->pm.pp_feature &= ~PP_GFXOFF_MASK; |
4215a119 HC |
2162 | if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_SIENNA_CICHLID) |
2163 | adev->pm.pp_feature &= ~PP_OVERDRIVE_MASK; | |
00f54b97 | 2164 | |
d38ceaf9 AD |
2165 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2166 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
2167 | DRM_ERROR("disabled ip block: %d <%s>\n", |
2168 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 2169 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 2170 | } else { |
a1255107 AD |
2171 | if (adev->ip_blocks[i].version->funcs->early_init) { |
2172 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 2173 | if (r == -ENOENT) { |
a1255107 | 2174 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 2175 | } else if (r) { |
a1255107 AD |
2176 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
2177 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2178 | return r; |
2c1a2784 | 2179 | } else { |
a1255107 | 2180 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 2181 | } |
974e6b64 | 2182 | } else { |
a1255107 | 2183 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 2184 | } |
d38ceaf9 | 2185 | } |
21a249ca AD |
2186 | /* get the vbios after the asic_funcs are set up */ |
2187 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { | |
6e29c227 AD |
2188 | r = amdgpu_device_parse_gpu_info_fw(adev); |
2189 | if (r) | |
2190 | return r; | |
2191 | ||
21a249ca AD |
2192 | /* Read BIOS */ |
2193 | if (!amdgpu_get_bios(adev)) | |
2194 | return -EINVAL; | |
2195 | ||
2196 | r = amdgpu_atombios_init(adev); | |
2197 | if (r) { | |
2198 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
2199 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
2200 | return r; | |
2201 | } | |
77eabc6f PJZ |
2202 | |
2203 | /*get pf2vf msg info at it's earliest time*/ | |
2204 | if (amdgpu_sriov_vf(adev)) | |
2205 | amdgpu_virt_init_data_exchange(adev); | |
2206 | ||
21a249ca | 2207 | } |
d38ceaf9 AD |
2208 | } |
2209 | ||
395d1fb9 NH |
2210 | adev->cg_flags &= amdgpu_cg_mask; |
2211 | adev->pg_flags &= amdgpu_pg_mask; | |
2212 | ||
d38ceaf9 AD |
2213 | return 0; |
2214 | } | |
2215 | ||
0a4f2520 RZ |
2216 | static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) |
2217 | { | |
2218 | int i, r; | |
2219 | ||
2220 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2221 | if (!adev->ip_blocks[i].status.sw) | |
2222 | continue; | |
2223 | if (adev->ip_blocks[i].status.hw) | |
2224 | continue; | |
2225 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2d11fd3f | 2226 | (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || |
0a4f2520 RZ |
2227 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { |
2228 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2229 | if (r) { | |
2230 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2231 | adev->ip_blocks[i].version->funcs->name, r); | |
2232 | return r; | |
2233 | } | |
2234 | adev->ip_blocks[i].status.hw = true; | |
2235 | } | |
2236 | } | |
2237 | ||
2238 | return 0; | |
2239 | } | |
2240 | ||
2241 | static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) | |
2242 | { | |
2243 | int i, r; | |
2244 | ||
2245 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2246 | if (!adev->ip_blocks[i].status.sw) | |
2247 | continue; | |
2248 | if (adev->ip_blocks[i].status.hw) | |
2249 | continue; | |
2250 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2251 | if (r) { | |
2252 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2253 | adev->ip_blocks[i].version->funcs->name, r); | |
2254 | return r; | |
2255 | } | |
2256 | adev->ip_blocks[i].status.hw = true; | |
2257 | } | |
2258 | ||
2259 | return 0; | |
2260 | } | |
2261 | ||
7a3e0bb2 RZ |
2262 | static int amdgpu_device_fw_loading(struct amdgpu_device *adev) |
2263 | { | |
2264 | int r = 0; | |
2265 | int i; | |
80f41f84 | 2266 | uint32_t smu_version; |
7a3e0bb2 RZ |
2267 | |
2268 | if (adev->asic_type >= CHIP_VEGA10) { | |
2269 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 ML |
2270 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) |
2271 | continue; | |
2272 | ||
e3c1b071 | 2273 | if (!adev->ip_blocks[i].status.sw) |
2274 | continue; | |
2275 | ||
482f0e53 ML |
2276 | /* no need to do the fw loading again if already done*/ |
2277 | if (adev->ip_blocks[i].status.hw == true) | |
2278 | break; | |
2279 | ||
53b3f8f4 | 2280 | if (amdgpu_in_reset(adev) || adev->in_suspend) { |
482f0e53 ML |
2281 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2282 | if (r) { | |
2283 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
7a3e0bb2 | 2284 | adev->ip_blocks[i].version->funcs->name, r); |
482f0e53 ML |
2285 | return r; |
2286 | } | |
2287 | } else { | |
2288 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2289 | if (r) { | |
2290 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2291 | adev->ip_blocks[i].version->funcs->name, r); | |
2292 | return r; | |
7a3e0bb2 | 2293 | } |
7a3e0bb2 | 2294 | } |
482f0e53 ML |
2295 | |
2296 | adev->ip_blocks[i].status.hw = true; | |
2297 | break; | |
7a3e0bb2 RZ |
2298 | } |
2299 | } | |
482f0e53 | 2300 | |
8973d9ec ED |
2301 | if (!amdgpu_sriov_vf(adev) || adev->asic_type == CHIP_TONGA) |
2302 | r = amdgpu_pm_load_smu_firmware(adev, &smu_version); | |
7a3e0bb2 | 2303 | |
80f41f84 | 2304 | return r; |
7a3e0bb2 RZ |
2305 | } |
2306 | ||
5fd8518d AG |
2307 | static int amdgpu_device_init_schedulers(struct amdgpu_device *adev) |
2308 | { | |
2309 | long timeout; | |
2310 | int r, i; | |
2311 | ||
2312 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
2313 | struct amdgpu_ring *ring = adev->rings[i]; | |
2314 | ||
2315 | /* No need to setup the GPU scheduler for rings that don't need it */ | |
2316 | if (!ring || ring->no_scheduler) | |
2317 | continue; | |
2318 | ||
2319 | switch (ring->funcs->type) { | |
2320 | case AMDGPU_RING_TYPE_GFX: | |
2321 | timeout = adev->gfx_timeout; | |
2322 | break; | |
2323 | case AMDGPU_RING_TYPE_COMPUTE: | |
2324 | timeout = adev->compute_timeout; | |
2325 | break; | |
2326 | case AMDGPU_RING_TYPE_SDMA: | |
2327 | timeout = adev->sdma_timeout; | |
2328 | break; | |
2329 | default: | |
2330 | timeout = adev->video_timeout; | |
2331 | break; | |
2332 | } | |
2333 | ||
2334 | r = drm_sched_init(&ring->sched, &amdgpu_sched_ops, | |
2335 | ring->num_hw_submission, amdgpu_job_hang_limit, | |
8ab62eda JG |
2336 | timeout, adev->reset_domain->wq, |
2337 | ring->sched_score, ring->name, | |
2338 | adev->dev); | |
5fd8518d AG |
2339 | if (r) { |
2340 | DRM_ERROR("Failed to create scheduler on ring %s.\n", | |
2341 | ring->name); | |
2342 | return r; | |
2343 | } | |
2344 | } | |
2345 | ||
2346 | return 0; | |
2347 | } | |
2348 | ||
2349 | ||
e3ecdffa AD |
2350 | /** |
2351 | * amdgpu_device_ip_init - run init for hardware IPs | |
2352 | * | |
2353 | * @adev: amdgpu_device pointer | |
2354 | * | |
2355 | * Main initialization pass for hardware IPs. The list of all the hardware | |
2356 | * IPs that make up the asic is walked and the sw_init and hw_init callbacks | |
2357 | * are run. sw_init initializes the software state associated with each IP | |
2358 | * and hw_init initializes the hardware associated with each IP. | |
2359 | * Returns 0 on success, negative error code on failure. | |
2360 | */ | |
06ec9070 | 2361 | static int amdgpu_device_ip_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
2362 | { |
2363 | int i, r; | |
2364 | ||
c030f2e4 | 2365 | r = amdgpu_ras_init(adev); |
2366 | if (r) | |
2367 | return r; | |
2368 | ||
d38ceaf9 | 2369 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 2370 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2371 | continue; |
a1255107 | 2372 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 2373 | if (r) { |
a1255107 AD |
2374 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
2375 | adev->ip_blocks[i].version->funcs->name, r); | |
72d3f592 | 2376 | goto init_failed; |
2c1a2784 | 2377 | } |
a1255107 | 2378 | adev->ip_blocks[i].status.sw = true; |
bfca0289 | 2379 | |
c1c39032 AD |
2380 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { |
2381 | /* need to do common hw init early so everything is set up for gmc */ | |
2382 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); | |
2383 | if (r) { | |
2384 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
2385 | goto init_failed; | |
2386 | } | |
2387 | adev->ip_blocks[i].status.hw = true; | |
2388 | } else if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
2389 | /* need to do gmc hw init early so we can allocate gpu mem */ | |
892deb48 VS |
2390 | /* Try to reserve bad pages early */ |
2391 | if (amdgpu_sriov_vf(adev)) | |
2392 | amdgpu_virt_exchange_data(adev); | |
2393 | ||
06ec9070 | 2394 | r = amdgpu_device_vram_scratch_init(adev); |
2c1a2784 AD |
2395 | if (r) { |
2396 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
72d3f592 | 2397 | goto init_failed; |
2c1a2784 | 2398 | } |
a1255107 | 2399 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
2400 | if (r) { |
2401 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
72d3f592 | 2402 | goto init_failed; |
2c1a2784 | 2403 | } |
06ec9070 | 2404 | r = amdgpu_device_wb_init(adev); |
2c1a2784 | 2405 | if (r) { |
06ec9070 | 2406 | DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); |
72d3f592 | 2407 | goto init_failed; |
2c1a2784 | 2408 | } |
a1255107 | 2409 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
2410 | |
2411 | /* right after GMC hw init, we create CSA */ | |
8a1fbb4a | 2412 | if (amdgpu_mcbp) { |
1e256e27 | 2413 | r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, |
58ab2c08 CK |
2414 | AMDGPU_GEM_DOMAIN_VRAM | |
2415 | AMDGPU_GEM_DOMAIN_GTT, | |
2416 | AMDGPU_CSA_SIZE); | |
2493664f ML |
2417 | if (r) { |
2418 | DRM_ERROR("allocate CSA failed %d\n", r); | |
72d3f592 | 2419 | goto init_failed; |
2493664f ML |
2420 | } |
2421 | } | |
d38ceaf9 AD |
2422 | } |
2423 | } | |
2424 | ||
c9ffa427 | 2425 | if (amdgpu_sriov_vf(adev)) |
22c16d25 | 2426 | amdgpu_virt_init_data_exchange(adev); |
c9ffa427 | 2427 | |
533aed27 AG |
2428 | r = amdgpu_ib_pool_init(adev); |
2429 | if (r) { | |
2430 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
2431 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); | |
2432 | goto init_failed; | |
2433 | } | |
2434 | ||
c8963ea4 RZ |
2435 | r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/ |
2436 | if (r) | |
72d3f592 | 2437 | goto init_failed; |
0a4f2520 RZ |
2438 | |
2439 | r = amdgpu_device_ip_hw_init_phase1(adev); | |
2440 | if (r) | |
72d3f592 | 2441 | goto init_failed; |
0a4f2520 | 2442 | |
7a3e0bb2 RZ |
2443 | r = amdgpu_device_fw_loading(adev); |
2444 | if (r) | |
72d3f592 | 2445 | goto init_failed; |
7a3e0bb2 | 2446 | |
0a4f2520 RZ |
2447 | r = amdgpu_device_ip_hw_init_phase2(adev); |
2448 | if (r) | |
72d3f592 | 2449 | goto init_failed; |
d38ceaf9 | 2450 | |
121a2bc6 AG |
2451 | /* |
2452 | * retired pages will be loaded from eeprom and reserved here, | |
2453 | * it should be called after amdgpu_device_ip_hw_init_phase2 since | |
2454 | * for some ASICs the RAS EEPROM code relies on SMU fully functioning | |
2455 | * for I2C communication which only true at this point. | |
b82e65a9 GC |
2456 | * |
2457 | * amdgpu_ras_recovery_init may fail, but the upper only cares the | |
2458 | * failure from bad gpu situation and stop amdgpu init process | |
2459 | * accordingly. For other failed cases, it will still release all | |
2460 | * the resource and print error message, rather than returning one | |
2461 | * negative value to upper level. | |
121a2bc6 AG |
2462 | * |
2463 | * Note: theoretically, this should be called before all vram allocations | |
2464 | * to protect retired page from abusing | |
2465 | */ | |
b82e65a9 GC |
2466 | r = amdgpu_ras_recovery_init(adev); |
2467 | if (r) | |
2468 | goto init_failed; | |
121a2bc6 | 2469 | |
cfbb6b00 AG |
2470 | /** |
2471 | * In case of XGMI grab extra reference for reset domain for this device | |
2472 | */ | |
a4c63caf | 2473 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
cfbb6b00 | 2474 | if (amdgpu_xgmi_add_device(adev) == 0) { |
46c67660 | 2475 | if (!amdgpu_sriov_vf(adev)) { |
2efc30f0 VC |
2476 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); |
2477 | ||
dfd0287b LH |
2478 | if (WARN_ON(!hive)) { |
2479 | r = -ENOENT; | |
2480 | goto init_failed; | |
2481 | } | |
2482 | ||
46c67660 | 2483 | if (!hive->reset_domain || |
2484 | !amdgpu_reset_get_reset_domain(hive->reset_domain)) { | |
2485 | r = -ENOENT; | |
2486 | amdgpu_put_xgmi_hive(hive); | |
2487 | goto init_failed; | |
2488 | } | |
2489 | ||
2490 | /* Drop the early temporary reset domain we created for device */ | |
2491 | amdgpu_reset_put_reset_domain(adev->reset_domain); | |
2492 | adev->reset_domain = hive->reset_domain; | |
9dfa4860 | 2493 | amdgpu_put_xgmi_hive(hive); |
cfbb6b00 | 2494 | } |
a4c63caf AG |
2495 | } |
2496 | } | |
2497 | ||
5fd8518d AG |
2498 | r = amdgpu_device_init_schedulers(adev); |
2499 | if (r) | |
2500 | goto init_failed; | |
e3c1b071 | 2501 | |
2502 | /* Don't init kfd if whole hive need to be reset during init */ | |
c004d44e | 2503 | if (!adev->gmc.xgmi.pending_reset) |
e3c1b071 | 2504 | amdgpu_amdkfd_device_init(adev); |
c6332b97 | 2505 | |
bd607166 KR |
2506 | amdgpu_fru_get_product_info(adev); |
2507 | ||
72d3f592 | 2508 | init_failed: |
c9ffa427 | 2509 | if (amdgpu_sriov_vf(adev)) |
c6332b97 | 2510 | amdgpu_virt_release_full_gpu(adev, true); |
2511 | ||
72d3f592 | 2512 | return r; |
d38ceaf9 AD |
2513 | } |
2514 | ||
e3ecdffa AD |
2515 | /** |
2516 | * amdgpu_device_fill_reset_magic - writes reset magic to gart pointer | |
2517 | * | |
2518 | * @adev: amdgpu_device pointer | |
2519 | * | |
2520 | * Writes a reset magic value to the gart pointer in VRAM. The driver calls | |
2521 | * this function before a GPU reset. If the value is retained after a | |
2522 | * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. | |
2523 | */ | |
06ec9070 | 2524 | static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) |
0c49e0b8 CZ |
2525 | { |
2526 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
2527 | } | |
2528 | ||
e3ecdffa AD |
2529 | /** |
2530 | * amdgpu_device_check_vram_lost - check if vram is valid | |
2531 | * | |
2532 | * @adev: amdgpu_device pointer | |
2533 | * | |
2534 | * Checks the reset magic value written to the gart pointer in VRAM. | |
2535 | * The driver calls this after a GPU reset to see if the contents of | |
2536 | * VRAM is lost or now. | |
2537 | * returns true if vram is lost, false if not. | |
2538 | */ | |
06ec9070 | 2539 | static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) |
0c49e0b8 | 2540 | { |
dadce777 EQ |
2541 | if (memcmp(adev->gart.ptr, adev->reset_magic, |
2542 | AMDGPU_RESET_MAGIC_NUM)) | |
2543 | return true; | |
2544 | ||
53b3f8f4 | 2545 | if (!amdgpu_in_reset(adev)) |
dadce777 EQ |
2546 | return false; |
2547 | ||
2548 | /* | |
2549 | * For all ASICs with baco/mode1 reset, the VRAM is | |
2550 | * always assumed to be lost. | |
2551 | */ | |
2552 | switch (amdgpu_asic_reset_method(adev)) { | |
2553 | case AMD_RESET_METHOD_BACO: | |
2554 | case AMD_RESET_METHOD_MODE1: | |
2555 | return true; | |
2556 | default: | |
2557 | return false; | |
2558 | } | |
0c49e0b8 CZ |
2559 | } |
2560 | ||
e3ecdffa | 2561 | /** |
1112a46b | 2562 | * amdgpu_device_set_cg_state - set clockgating for amdgpu device |
e3ecdffa AD |
2563 | * |
2564 | * @adev: amdgpu_device pointer | |
b8b72130 | 2565 | * @state: clockgating state (gate or ungate) |
e3ecdffa | 2566 | * |
e3ecdffa | 2567 | * The list of all the hardware IPs that make up the asic is walked and the |
1112a46b RZ |
2568 | * set_clockgating_state callbacks are run. |
2569 | * Late initialization pass enabling clockgating for hardware IPs. | |
2570 | * Fini or suspend, pass disabling clockgating for hardware IPs. | |
e3ecdffa AD |
2571 | * Returns 0 on success, negative error code on failure. |
2572 | */ | |
fdd34271 | 2573 | |
5d89bb2d LL |
2574 | int amdgpu_device_set_cg_state(struct amdgpu_device *adev, |
2575 | enum amd_clockgating_state state) | |
d38ceaf9 | 2576 | { |
1112a46b | 2577 | int i, j, r; |
d38ceaf9 | 2578 | |
4a2ba394 SL |
2579 | if (amdgpu_emu_mode == 1) |
2580 | return 0; | |
2581 | ||
1112a46b RZ |
2582 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2583 | i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2584 | if (!adev->ip_blocks[i].status.late_initialized) |
d38ceaf9 | 2585 | continue; |
47198eb7 | 2586 | /* skip CG for GFX, SDMA on S0ix */ |
5d70a549 | 2587 | if (adev->in_s0ix && |
47198eb7 AD |
2588 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX || |
2589 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) | |
5d70a549 | 2590 | continue; |
4a446d55 | 2591 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 | 2592 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
57716327 | 2593 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && |
34319b32 | 2594 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && |
52f2e779 | 2595 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
57716327 | 2596 | adev->ip_blocks[i].version->funcs->set_clockgating_state) { |
4a446d55 | 2597 | /* enable clockgating to save power */ |
a1255107 | 2598 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1112a46b | 2599 | state); |
4a446d55 AD |
2600 | if (r) { |
2601 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 2602 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
2603 | return r; |
2604 | } | |
b0b00ff1 | 2605 | } |
d38ceaf9 | 2606 | } |
06b18f61 | 2607 | |
c9f96fd5 RZ |
2608 | return 0; |
2609 | } | |
2610 | ||
5d89bb2d LL |
2611 | int amdgpu_device_set_pg_state(struct amdgpu_device *adev, |
2612 | enum amd_powergating_state state) | |
c9f96fd5 | 2613 | { |
1112a46b | 2614 | int i, j, r; |
06b18f61 | 2615 | |
c9f96fd5 RZ |
2616 | if (amdgpu_emu_mode == 1) |
2617 | return 0; | |
2618 | ||
1112a46b RZ |
2619 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2620 | i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2621 | if (!adev->ip_blocks[i].status.late_initialized) |
c9f96fd5 | 2622 | continue; |
47198eb7 | 2623 | /* skip PG for GFX, SDMA on S0ix */ |
5d70a549 | 2624 | if (adev->in_s0ix && |
47198eb7 AD |
2625 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX || |
2626 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) | |
5d70a549 | 2627 | continue; |
c9f96fd5 RZ |
2628 | /* skip CG for VCE/UVD, it's handled specially */ |
2629 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
2630 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && | |
2631 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && | |
52f2e779 | 2632 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
c9f96fd5 RZ |
2633 | adev->ip_blocks[i].version->funcs->set_powergating_state) { |
2634 | /* enable powergating to save power */ | |
2635 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1112a46b | 2636 | state); |
c9f96fd5 RZ |
2637 | if (r) { |
2638 | DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", | |
2639 | adev->ip_blocks[i].version->funcs->name, r); | |
2640 | return r; | |
2641 | } | |
2642 | } | |
2643 | } | |
2dc80b00 S |
2644 | return 0; |
2645 | } | |
2646 | ||
beff74bc AD |
2647 | static int amdgpu_device_enable_mgpu_fan_boost(void) |
2648 | { | |
2649 | struct amdgpu_gpu_instance *gpu_ins; | |
2650 | struct amdgpu_device *adev; | |
2651 | int i, ret = 0; | |
2652 | ||
2653 | mutex_lock(&mgpu_info.mutex); | |
2654 | ||
2655 | /* | |
2656 | * MGPU fan boost feature should be enabled | |
2657 | * only when there are two or more dGPUs in | |
2658 | * the system | |
2659 | */ | |
2660 | if (mgpu_info.num_dgpu < 2) | |
2661 | goto out; | |
2662 | ||
2663 | for (i = 0; i < mgpu_info.num_dgpu; i++) { | |
2664 | gpu_ins = &(mgpu_info.gpu_ins[i]); | |
2665 | adev = gpu_ins->adev; | |
2666 | if (!(adev->flags & AMD_IS_APU) && | |
f10bb940 | 2667 | !gpu_ins->mgpu_fan_enabled) { |
beff74bc AD |
2668 | ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); |
2669 | if (ret) | |
2670 | break; | |
2671 | ||
2672 | gpu_ins->mgpu_fan_enabled = 1; | |
2673 | } | |
2674 | } | |
2675 | ||
2676 | out: | |
2677 | mutex_unlock(&mgpu_info.mutex); | |
2678 | ||
2679 | return ret; | |
2680 | } | |
2681 | ||
e3ecdffa AD |
2682 | /** |
2683 | * amdgpu_device_ip_late_init - run late init for hardware IPs | |
2684 | * | |
2685 | * @adev: amdgpu_device pointer | |
2686 | * | |
2687 | * Late initialization pass for hardware IPs. The list of all the hardware | |
2688 | * IPs that make up the asic is walked and the late_init callbacks are run. | |
2689 | * late_init covers any special initialization that an IP requires | |
2690 | * after all of the have been initialized or something that needs to happen | |
2691 | * late in the init process. | |
2692 | * Returns 0 on success, negative error code on failure. | |
2693 | */ | |
06ec9070 | 2694 | static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) |
2dc80b00 | 2695 | { |
60599a03 | 2696 | struct amdgpu_gpu_instance *gpu_instance; |
2dc80b00 S |
2697 | int i = 0, r; |
2698 | ||
2699 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
73f847db | 2700 | if (!adev->ip_blocks[i].status.hw) |
2dc80b00 S |
2701 | continue; |
2702 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
2703 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
2704 | if (r) { | |
2705 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
2706 | adev->ip_blocks[i].version->funcs->name, r); | |
2707 | return r; | |
2708 | } | |
2dc80b00 | 2709 | } |
73f847db | 2710 | adev->ip_blocks[i].status.late_initialized = true; |
2dc80b00 S |
2711 | } |
2712 | ||
867e24ca | 2713 | r = amdgpu_ras_late_init(adev); |
2714 | if (r) { | |
2715 | DRM_ERROR("amdgpu_ras_late_init failed %d", r); | |
2716 | return r; | |
2717 | } | |
2718 | ||
a891d239 DL |
2719 | amdgpu_ras_set_error_query_ready(adev, true); |
2720 | ||
1112a46b RZ |
2721 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); |
2722 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); | |
916ac57f | 2723 | |
06ec9070 | 2724 | amdgpu_device_fill_reset_magic(adev); |
d38ceaf9 | 2725 | |
beff74bc AD |
2726 | r = amdgpu_device_enable_mgpu_fan_boost(); |
2727 | if (r) | |
2728 | DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); | |
2729 | ||
4da8b639 | 2730 | /* For passthrough configuration on arcturus and aldebaran, enable special handling SBR */ |
2731 | if (amdgpu_passthrough(adev) && ((adev->asic_type == CHIP_ARCTURUS && adev->gmc.xgmi.num_physical_nodes > 1)|| | |
2732 | adev->asic_type == CHIP_ALDEBARAN )) | |
bc143d8b | 2733 | amdgpu_dpm_handle_passthrough_sbr(adev, true); |
60599a03 EQ |
2734 | |
2735 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
2736 | mutex_lock(&mgpu_info.mutex); | |
2737 | ||
2738 | /* | |
2739 | * Reset device p-state to low as this was booted with high. | |
2740 | * | |
2741 | * This should be performed only after all devices from the same | |
2742 | * hive get initialized. | |
2743 | * | |
2744 | * However, it's unknown how many device in the hive in advance. | |
2745 | * As this is counted one by one during devices initializations. | |
2746 | * | |
2747 | * So, we wait for all XGMI interlinked devices initialized. | |
2748 | * This may bring some delays as those devices may come from | |
2749 | * different hives. But that should be OK. | |
2750 | */ | |
2751 | if (mgpu_info.num_dgpu == adev->gmc.xgmi.num_physical_nodes) { | |
2752 | for (i = 0; i < mgpu_info.num_gpu; i++) { | |
2753 | gpu_instance = &(mgpu_info.gpu_ins[i]); | |
2754 | if (gpu_instance->adev->flags & AMD_IS_APU) | |
2755 | continue; | |
2756 | ||
d84a430d JK |
2757 | r = amdgpu_xgmi_set_pstate(gpu_instance->adev, |
2758 | AMDGPU_XGMI_PSTATE_MIN); | |
60599a03 EQ |
2759 | if (r) { |
2760 | DRM_ERROR("pstate setting failed (%d).\n", r); | |
2761 | break; | |
2762 | } | |
2763 | } | |
2764 | } | |
2765 | ||
2766 | mutex_unlock(&mgpu_info.mutex); | |
2767 | } | |
2768 | ||
d38ceaf9 AD |
2769 | return 0; |
2770 | } | |
2771 | ||
613aa3ea LY |
2772 | /** |
2773 | * amdgpu_device_smu_fini_early - smu hw_fini wrapper | |
2774 | * | |
2775 | * @adev: amdgpu_device pointer | |
2776 | * | |
2777 | * For ASICs need to disable SMC first | |
2778 | */ | |
2779 | static void amdgpu_device_smu_fini_early(struct amdgpu_device *adev) | |
2780 | { | |
2781 | int i, r; | |
2782 | ||
2783 | if (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0)) | |
2784 | return; | |
2785 | ||
2786 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2787 | if (!adev->ip_blocks[i].status.hw) | |
2788 | continue; | |
2789 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { | |
2790 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); | |
2791 | /* XXX handle errors */ | |
2792 | if (r) { | |
2793 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
2794 | adev->ip_blocks[i].version->funcs->name, r); | |
2795 | } | |
2796 | adev->ip_blocks[i].status.hw = false; | |
2797 | break; | |
2798 | } | |
2799 | } | |
2800 | } | |
2801 | ||
e9669fb7 | 2802 | static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev) |
d38ceaf9 AD |
2803 | { |
2804 | int i, r; | |
2805 | ||
e9669fb7 AG |
2806 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2807 | if (!adev->ip_blocks[i].version->funcs->early_fini) | |
2808 | continue; | |
5278a159 | 2809 | |
e9669fb7 AG |
2810 | r = adev->ip_blocks[i].version->funcs->early_fini((void *)adev); |
2811 | if (r) { | |
2812 | DRM_DEBUG("early_fini of IP block <%s> failed %d\n", | |
2813 | adev->ip_blocks[i].version->funcs->name, r); | |
2814 | } | |
2815 | } | |
c030f2e4 | 2816 | |
05df1f01 | 2817 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
fdd34271 RZ |
2818 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
2819 | ||
7270e895 TY |
2820 | amdgpu_amdkfd_suspend(adev, false); |
2821 | ||
613aa3ea LY |
2822 | /* Workaroud for ASICs need to disable SMC first */ |
2823 | amdgpu_device_smu_fini_early(adev); | |
3e96dbfd | 2824 | |
d38ceaf9 | 2825 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2826 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2827 | continue; |
8201a67a | 2828 | |
a1255107 | 2829 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 2830 | /* XXX handle errors */ |
2c1a2784 | 2831 | if (r) { |
a1255107 AD |
2832 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
2833 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2834 | } |
8201a67a | 2835 | |
a1255107 | 2836 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2837 | } |
2838 | ||
6effad8a GC |
2839 | if (amdgpu_sriov_vf(adev)) { |
2840 | if (amdgpu_virt_release_full_gpu(adev, false)) | |
2841 | DRM_ERROR("failed to release exclusive mode on fini\n"); | |
2842 | } | |
2843 | ||
e9669fb7 AG |
2844 | return 0; |
2845 | } | |
2846 | ||
2847 | /** | |
2848 | * amdgpu_device_ip_fini - run fini for hardware IPs | |
2849 | * | |
2850 | * @adev: amdgpu_device pointer | |
2851 | * | |
2852 | * Main teardown pass for hardware IPs. The list of all the hardware | |
2853 | * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks | |
2854 | * are run. hw_fini tears down the hardware associated with each IP | |
2855 | * and sw_fini tears down any software state associated with each IP. | |
2856 | * Returns 0 on success, negative error code on failure. | |
2857 | */ | |
2858 | static int amdgpu_device_ip_fini(struct amdgpu_device *adev) | |
2859 | { | |
2860 | int i, r; | |
2861 | ||
2862 | if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) | |
2863 | amdgpu_virt_release_ras_err_handler_data(adev); | |
2864 | ||
e9669fb7 AG |
2865 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2866 | amdgpu_xgmi_remove_device(adev); | |
2867 | ||
c004d44e | 2868 | amdgpu_amdkfd_device_fini_sw(adev); |
9950cda2 | 2869 | |
d38ceaf9 | 2870 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2871 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 2872 | continue; |
c12aba3a ML |
2873 | |
2874 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
c8963ea4 | 2875 | amdgpu_ucode_free_bo(adev); |
1e256e27 | 2876 | amdgpu_free_static_csa(&adev->virt.csa_obj); |
c12aba3a ML |
2877 | amdgpu_device_wb_fini(adev); |
2878 | amdgpu_device_vram_scratch_fini(adev); | |
533aed27 | 2879 | amdgpu_ib_pool_fini(adev); |
c12aba3a ML |
2880 | } |
2881 | ||
a1255107 | 2882 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 2883 | /* XXX handle errors */ |
2c1a2784 | 2884 | if (r) { |
a1255107 AD |
2885 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
2886 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2887 | } |
a1255107 AD |
2888 | adev->ip_blocks[i].status.sw = false; |
2889 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
2890 | } |
2891 | ||
a6dcfd9c | 2892 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2893 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 2894 | continue; |
a1255107 AD |
2895 | if (adev->ip_blocks[i].version->funcs->late_fini) |
2896 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
2897 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
2898 | } |
2899 | ||
c030f2e4 | 2900 | amdgpu_ras_fini(adev); |
2901 | ||
d38ceaf9 AD |
2902 | return 0; |
2903 | } | |
2904 | ||
e3ecdffa | 2905 | /** |
beff74bc | 2906 | * amdgpu_device_delayed_init_work_handler - work handler for IB tests |
e3ecdffa | 2907 | * |
1112a46b | 2908 | * @work: work_struct. |
e3ecdffa | 2909 | */ |
beff74bc | 2910 | static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) |
2dc80b00 S |
2911 | { |
2912 | struct amdgpu_device *adev = | |
beff74bc | 2913 | container_of(work, struct amdgpu_device, delayed_init_work.work); |
916ac57f RZ |
2914 | int r; |
2915 | ||
2916 | r = amdgpu_ib_ring_tests(adev); | |
2917 | if (r) | |
2918 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2dc80b00 S |
2919 | } |
2920 | ||
1e317b99 RZ |
2921 | static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |
2922 | { | |
2923 | struct amdgpu_device *adev = | |
2924 | container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); | |
2925 | ||
90a92662 MD |
2926 | WARN_ON_ONCE(adev->gfx.gfx_off_state); |
2927 | WARN_ON_ONCE(adev->gfx.gfx_off_req_count); | |
2928 | ||
2929 | if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) | |
2930 | adev->gfx.gfx_off_state = true; | |
1e317b99 RZ |
2931 | } |
2932 | ||
e3ecdffa | 2933 | /** |
e7854a03 | 2934 | * amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1) |
e3ecdffa AD |
2935 | * |
2936 | * @adev: amdgpu_device pointer | |
2937 | * | |
2938 | * Main suspend function for hardware IPs. The list of all the hardware | |
2939 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2940 | * suspend callbacks are run. suspend puts the hardware and software state | |
2941 | * in each IP into a state suitable for suspend. | |
2942 | * Returns 0 on success, negative error code on failure. | |
2943 | */ | |
e7854a03 AD |
2944 | static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) |
2945 | { | |
2946 | int i, r; | |
2947 | ||
50ec83f0 AD |
2948 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
2949 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); | |
05df1f01 | 2950 | |
b31d6ada EQ |
2951 | /* |
2952 | * Per PMFW team's suggestion, driver needs to handle gfxoff | |
2953 | * and df cstate features disablement for gpu reset(e.g. Mode1Reset) | |
2954 | * scenario. Add the missing df cstate disablement here. | |
2955 | */ | |
2956 | if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW)) | |
2957 | dev_warn(adev->dev, "Failed to disallow df cstate"); | |
2958 | ||
e7854a03 AD |
2959 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
2960 | if (!adev->ip_blocks[i].status.valid) | |
2961 | continue; | |
2b9f7848 | 2962 | |
e7854a03 | 2963 | /* displays are handled separately */ |
2b9f7848 ND |
2964 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE) |
2965 | continue; | |
2966 | ||
2967 | /* XXX handle errors */ | |
2968 | r = adev->ip_blocks[i].version->funcs->suspend(adev); | |
2969 | /* XXX handle errors */ | |
2970 | if (r) { | |
2971 | DRM_ERROR("suspend of IP block <%s> failed %d\n", | |
2972 | adev->ip_blocks[i].version->funcs->name, r); | |
2973 | return r; | |
e7854a03 | 2974 | } |
2b9f7848 ND |
2975 | |
2976 | adev->ip_blocks[i].status.hw = false; | |
e7854a03 AD |
2977 | } |
2978 | ||
e7854a03 AD |
2979 | return 0; |
2980 | } | |
2981 | ||
2982 | /** | |
2983 | * amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2) | |
2984 | * | |
2985 | * @adev: amdgpu_device pointer | |
2986 | * | |
2987 | * Main suspend function for hardware IPs. The list of all the hardware | |
2988 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2989 | * suspend callbacks are run. suspend puts the hardware and software state | |
2990 | * in each IP into a state suitable for suspend. | |
2991 | * Returns 0 on success, negative error code on failure. | |
2992 | */ | |
2993 | static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) | |
d38ceaf9 AD |
2994 | { |
2995 | int i, r; | |
2996 | ||
557f42a2 | 2997 | if (adev->in_s0ix) |
bc143d8b | 2998 | amdgpu_dpm_gfx_state_change(adev, sGpuChangeState_D3Entry); |
34416931 | 2999 | |
d38ceaf9 | 3000 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 3001 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 3002 | continue; |
e7854a03 AD |
3003 | /* displays are handled in phase1 */ |
3004 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) | |
3005 | continue; | |
bff77e86 LM |
3006 | /* PSP lost connection when err_event_athub occurs */ |
3007 | if (amdgpu_ras_intr_triggered() && | |
3008 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
3009 | adev->ip_blocks[i].status.hw = false; | |
3010 | continue; | |
3011 | } | |
e3c1b071 | 3012 | |
3013 | /* skip unnecessary suspend if we do not initialize them yet */ | |
3014 | if (adev->gmc.xgmi.pending_reset && | |
3015 | !(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
3016 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC || | |
3017 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
3018 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH)) { | |
3019 | adev->ip_blocks[i].status.hw = false; | |
3020 | continue; | |
3021 | } | |
557f42a2 | 3022 | |
5620a188 | 3023 | /* skip suspend of gfx/mes and psp for S0ix |
32ff160d AD |
3024 | * gfx is in gfxoff state, so on resume it will exit gfxoff just |
3025 | * like at runtime. PSP is also part of the always on hardware | |
3026 | * so no need to suspend it. | |
3027 | */ | |
557f42a2 | 3028 | if (adev->in_s0ix && |
32ff160d | 3029 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP || |
5620a188 AD |
3030 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX || |
3031 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_MES)) | |
557f42a2 AD |
3032 | continue; |
3033 | ||
2a7798ea AD |
3034 | /* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */ |
3035 | if (adev->in_s0ix && | |
3036 | (adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 0, 0)) && | |
3037 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) | |
3038 | continue; | |
3039 | ||
d38ceaf9 | 3040 | /* XXX handle errors */ |
a1255107 | 3041 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 3042 | /* XXX handle errors */ |
2c1a2784 | 3043 | if (r) { |
a1255107 AD |
3044 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
3045 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 3046 | } |
876923fb | 3047 | adev->ip_blocks[i].status.hw = false; |
a3a09142 | 3048 | /* handle putting the SMC in the appropriate state */ |
86b93fd6 JZ |
3049 | if(!amdgpu_sriov_vf(adev)){ |
3050 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { | |
3051 | r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); | |
3052 | if (r) { | |
3053 | DRM_ERROR("SMC failed to set mp1 state %d, %d\n", | |
3054 | adev->mp1_state, r); | |
3055 | return r; | |
3056 | } | |
a3a09142 AD |
3057 | } |
3058 | } | |
d38ceaf9 AD |
3059 | } |
3060 | ||
3061 | return 0; | |
3062 | } | |
3063 | ||
e7854a03 AD |
3064 | /** |
3065 | * amdgpu_device_ip_suspend - run suspend for hardware IPs | |
3066 | * | |
3067 | * @adev: amdgpu_device pointer | |
3068 | * | |
3069 | * Main suspend function for hardware IPs. The list of all the hardware | |
3070 | * IPs that make up the asic is walked, clockgating is disabled and the | |
3071 | * suspend callbacks are run. suspend puts the hardware and software state | |
3072 | * in each IP into a state suitable for suspend. | |
3073 | * Returns 0 on success, negative error code on failure. | |
3074 | */ | |
3075 | int amdgpu_device_ip_suspend(struct amdgpu_device *adev) | |
3076 | { | |
3077 | int r; | |
3078 | ||
3c73683c JC |
3079 | if (amdgpu_sriov_vf(adev)) { |
3080 | amdgpu_virt_fini_data_exchange(adev); | |
e7819644 | 3081 | amdgpu_virt_request_full_gpu(adev, false); |
3c73683c | 3082 | } |
e7819644 | 3083 | |
e7854a03 AD |
3084 | r = amdgpu_device_ip_suspend_phase1(adev); |
3085 | if (r) | |
3086 | return r; | |
3087 | r = amdgpu_device_ip_suspend_phase2(adev); | |
3088 | ||
e7819644 YT |
3089 | if (amdgpu_sriov_vf(adev)) |
3090 | amdgpu_virt_release_full_gpu(adev, false); | |
3091 | ||
e7854a03 AD |
3092 | return r; |
3093 | } | |
3094 | ||
06ec9070 | 3095 | static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
3096 | { |
3097 | int i, r; | |
3098 | ||
2cb681b6 | 3099 | static enum amd_ip_block_type ip_order[] = { |
2cb681b6 | 3100 | AMD_IP_BLOCK_TYPE_COMMON, |
c1c39032 | 3101 | AMD_IP_BLOCK_TYPE_GMC, |
39186aef | 3102 | AMD_IP_BLOCK_TYPE_PSP, |
2cb681b6 ML |
3103 | AMD_IP_BLOCK_TYPE_IH, |
3104 | }; | |
a90ad3c2 | 3105 | |
95ea3dbc | 3106 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2cb681b6 ML |
3107 | int j; |
3108 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 3109 | |
4cd2a96d J |
3110 | block = &adev->ip_blocks[i]; |
3111 | block->status.hw = false; | |
2cb681b6 | 3112 | |
4cd2a96d | 3113 | for (j = 0; j < ARRAY_SIZE(ip_order); j++) { |
2cb681b6 | 3114 | |
4cd2a96d | 3115 | if (block->version->type != ip_order[j] || |
2cb681b6 ML |
3116 | !block->status.valid) |
3117 | continue; | |
3118 | ||
3119 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 3120 | DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
3121 | if (r) |
3122 | return r; | |
482f0e53 | 3123 | block->status.hw = true; |
a90ad3c2 ML |
3124 | } |
3125 | } | |
3126 | ||
3127 | return 0; | |
3128 | } | |
3129 | ||
06ec9070 | 3130 | static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
3131 | { |
3132 | int i, r; | |
3133 | ||
2cb681b6 ML |
3134 | static enum amd_ip_block_type ip_order[] = { |
3135 | AMD_IP_BLOCK_TYPE_SMC, | |
3136 | AMD_IP_BLOCK_TYPE_DCE, | |
3137 | AMD_IP_BLOCK_TYPE_GFX, | |
3138 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c | 3139 | AMD_IP_BLOCK_TYPE_UVD, |
d83c7a07 JJ |
3140 | AMD_IP_BLOCK_TYPE_VCE, |
3141 | AMD_IP_BLOCK_TYPE_VCN | |
2cb681b6 | 3142 | }; |
a90ad3c2 | 3143 | |
2cb681b6 ML |
3144 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
3145 | int j; | |
3146 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 3147 | |
2cb681b6 ML |
3148 | for (j = 0; j < adev->num_ip_blocks; j++) { |
3149 | block = &adev->ip_blocks[j]; | |
3150 | ||
3151 | if (block->version->type != ip_order[i] || | |
482f0e53 ML |
3152 | !block->status.valid || |
3153 | block->status.hw) | |
2cb681b6 ML |
3154 | continue; |
3155 | ||
895bd048 JZ |
3156 | if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) |
3157 | r = block->version->funcs->resume(adev); | |
3158 | else | |
3159 | r = block->version->funcs->hw_init(adev); | |
3160 | ||
0aaeefcc | 3161 | DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
3162 | if (r) |
3163 | return r; | |
482f0e53 | 3164 | block->status.hw = true; |
a90ad3c2 ML |
3165 | } |
3166 | } | |
3167 | ||
3168 | return 0; | |
3169 | } | |
3170 | ||
e3ecdffa AD |
3171 | /** |
3172 | * amdgpu_device_ip_resume_phase1 - run resume for hardware IPs | |
3173 | * | |
3174 | * @adev: amdgpu_device pointer | |
3175 | * | |
3176 | * First resume function for hardware IPs. The list of all the hardware | |
3177 | * IPs that make up the asic is walked and the resume callbacks are run for | |
3178 | * COMMON, GMC, and IH. resume puts the hardware into a functional state | |
3179 | * after a suspend and updates the software state as necessary. This | |
3180 | * function is also used for restoring the GPU after a GPU reset. | |
3181 | * Returns 0 on success, negative error code on failure. | |
3182 | */ | |
06ec9070 | 3183 | static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
3184 | { |
3185 | int i, r; | |
3186 | ||
a90ad3c2 | 3187 | for (i = 0; i < adev->num_ip_blocks; i++) { |
482f0e53 | 3188 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
a90ad3c2 | 3189 | continue; |
a90ad3c2 | 3190 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 3191 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
d7274ec7 BZ |
3192 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
3193 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP && amdgpu_sriov_vf(adev))) { | |
482f0e53 | 3194 | |
fcf0649f CZ |
3195 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
3196 | if (r) { | |
3197 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
3198 | adev->ip_blocks[i].version->funcs->name, r); | |
3199 | return r; | |
3200 | } | |
482f0e53 | 3201 | adev->ip_blocks[i].status.hw = true; |
a90ad3c2 ML |
3202 | } |
3203 | } | |
3204 | ||
3205 | return 0; | |
3206 | } | |
3207 | ||
e3ecdffa AD |
3208 | /** |
3209 | * amdgpu_device_ip_resume_phase2 - run resume for hardware IPs | |
3210 | * | |
3211 | * @adev: amdgpu_device pointer | |
3212 | * | |
3213 | * First resume function for hardware IPs. The list of all the hardware | |
3214 | * IPs that make up the asic is walked and the resume callbacks are run for | |
3215 | * all blocks except COMMON, GMC, and IH. resume puts the hardware into a | |
3216 | * functional state after a suspend and updates the software state as | |
3217 | * necessary. This function is also used for restoring the GPU after a GPU | |
3218 | * reset. | |
3219 | * Returns 0 on success, negative error code on failure. | |
3220 | */ | |
06ec9070 | 3221 | static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
3222 | { |
3223 | int i, r; | |
3224 | ||
3225 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 | 3226 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
d38ceaf9 | 3227 | continue; |
fcf0649f | 3228 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 3229 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
7a3e0bb2 RZ |
3230 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
3231 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
fcf0649f | 3232 | continue; |
a1255107 | 3233 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 3234 | if (r) { |
a1255107 AD |
3235 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
3236 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 3237 | return r; |
2c1a2784 | 3238 | } |
482f0e53 | 3239 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
3240 | } |
3241 | ||
3242 | return 0; | |
3243 | } | |
3244 | ||
e3ecdffa AD |
3245 | /** |
3246 | * amdgpu_device_ip_resume - run resume for hardware IPs | |
3247 | * | |
3248 | * @adev: amdgpu_device pointer | |
3249 | * | |
3250 | * Main resume function for hardware IPs. The hardware IPs | |
3251 | * are split into two resume functions because they are | |
3252 | * are also used in in recovering from a GPU reset and some additional | |
3253 | * steps need to be take between them. In this case (S3/S4) they are | |
3254 | * run sequentially. | |
3255 | * Returns 0 on success, negative error code on failure. | |
3256 | */ | |
06ec9070 | 3257 | static int amdgpu_device_ip_resume(struct amdgpu_device *adev) |
fcf0649f CZ |
3258 | { |
3259 | int r; | |
3260 | ||
9cec53c1 JZ |
3261 | r = amdgpu_amdkfd_resume_iommu(adev); |
3262 | if (r) | |
3263 | return r; | |
3264 | ||
06ec9070 | 3265 | r = amdgpu_device_ip_resume_phase1(adev); |
fcf0649f CZ |
3266 | if (r) |
3267 | return r; | |
7a3e0bb2 RZ |
3268 | |
3269 | r = amdgpu_device_fw_loading(adev); | |
3270 | if (r) | |
3271 | return r; | |
3272 | ||
06ec9070 | 3273 | r = amdgpu_device_ip_resume_phase2(adev); |
fcf0649f CZ |
3274 | |
3275 | return r; | |
3276 | } | |
3277 | ||
e3ecdffa AD |
3278 | /** |
3279 | * amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV | |
3280 | * | |
3281 | * @adev: amdgpu_device pointer | |
3282 | * | |
3283 | * Query the VBIOS data tables to determine if the board supports SR-IOV. | |
3284 | */ | |
4e99a44e | 3285 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 3286 | { |
6867e1b5 ML |
3287 | if (amdgpu_sriov_vf(adev)) { |
3288 | if (adev->is_atom_fw) { | |
58ff791a | 3289 | if (amdgpu_atomfirmware_gpu_virtualization_supported(adev)) |
6867e1b5 ML |
3290 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; |
3291 | } else { | |
3292 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
3293 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
3294 | } | |
3295 | ||
3296 | if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)) | |
3297 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); | |
a5bde2f9 | 3298 | } |
048765ad AR |
3299 | } |
3300 | ||
e3ecdffa AD |
3301 | /** |
3302 | * amdgpu_device_asic_has_dc_support - determine if DC supports the asic | |
3303 | * | |
3304 | * @asic_type: AMD asic type | |
3305 | * | |
3306 | * Check if there is DC (new modesetting infrastructre) support for an asic. | |
3307 | * returns true if DC has support, false if not. | |
3308 | */ | |
4562236b HW |
3309 | bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) |
3310 | { | |
3311 | switch (asic_type) { | |
0637d417 AD |
3312 | #ifdef CONFIG_DRM_AMDGPU_SI |
3313 | case CHIP_HAINAN: | |
3314 | #endif | |
3315 | case CHIP_TOPAZ: | |
3316 | /* chips with no display hardware */ | |
3317 | return false; | |
4562236b | 3318 | #if defined(CONFIG_DRM_AMD_DC) |
64200c46 MR |
3319 | case CHIP_TAHITI: |
3320 | case CHIP_PITCAIRN: | |
3321 | case CHIP_VERDE: | |
3322 | case CHIP_OLAND: | |
2d32ffd6 AD |
3323 | /* |
3324 | * We have systems in the wild with these ASICs that require | |
3325 | * LVDS and VGA support which is not supported with DC. | |
3326 | * | |
3327 | * Fallback to the non-DC driver here by default so as not to | |
3328 | * cause regressions. | |
3329 | */ | |
3330 | #if defined(CONFIG_DRM_AMD_DC_SI) | |
3331 | return amdgpu_dc > 0; | |
3332 | #else | |
3333 | return false; | |
64200c46 | 3334 | #endif |
4562236b | 3335 | case CHIP_BONAIRE: |
0d6fbccb | 3336 | case CHIP_KAVERI: |
367e6687 AD |
3337 | case CHIP_KABINI: |
3338 | case CHIP_MULLINS: | |
d9fda248 HW |
3339 | /* |
3340 | * We have systems in the wild with these ASICs that require | |
b5a0168e | 3341 | * VGA support which is not supported with DC. |
d9fda248 HW |
3342 | * |
3343 | * Fallback to the non-DC driver here by default so as not to | |
3344 | * cause regressions. | |
3345 | */ | |
3346 | return amdgpu_dc > 0; | |
f7f12b25 | 3347 | default: |
fd187853 | 3348 | return amdgpu_dc != 0; |
f7f12b25 | 3349 | #else |
4562236b | 3350 | default: |
93b09a9a | 3351 | if (amdgpu_dc > 0) |
044a48f4 | 3352 | DRM_INFO_ONCE("Display Core has been requested via kernel parameter " |
93b09a9a | 3353 | "but isn't supported by ASIC, ignoring\n"); |
4562236b | 3354 | return false; |
f7f12b25 | 3355 | #endif |
4562236b HW |
3356 | } |
3357 | } | |
3358 | ||
3359 | /** | |
3360 | * amdgpu_device_has_dc_support - check if dc is supported | |
3361 | * | |
982a820b | 3362 | * @adev: amdgpu_device pointer |
4562236b HW |
3363 | * |
3364 | * Returns true for supported, false for not supported | |
3365 | */ | |
3366 | bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) | |
3367 | { | |
25263da3 | 3368 | if (adev->enable_virtual_display || |
abaf210c | 3369 | (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) |
2555039d XY |
3370 | return false; |
3371 | ||
4562236b HW |
3372 | return amdgpu_device_asic_has_dc_support(adev->asic_type); |
3373 | } | |
3374 | ||
d4535e2c AG |
3375 | static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) |
3376 | { | |
3377 | struct amdgpu_device *adev = | |
3378 | container_of(__work, struct amdgpu_device, xgmi_reset_work); | |
d95e8e97 | 3379 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); |
d4535e2c | 3380 | |
c6a6e2db AG |
3381 | /* It's a bug to not have a hive within this function */ |
3382 | if (WARN_ON(!hive)) | |
3383 | return; | |
3384 | ||
3385 | /* | |
3386 | * Use task barrier to synchronize all xgmi reset works across the | |
3387 | * hive. task_barrier_enter and task_barrier_exit will block | |
3388 | * until all the threads running the xgmi reset works reach | |
3389 | * those points. task_barrier_full will do both blocks. | |
3390 | */ | |
3391 | if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { | |
3392 | ||
3393 | task_barrier_enter(&hive->tb); | |
4a580877 | 3394 | adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev)); |
c6a6e2db AG |
3395 | |
3396 | if (adev->asic_reset_res) | |
3397 | goto fail; | |
3398 | ||
3399 | task_barrier_exit(&hive->tb); | |
4a580877 | 3400 | adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev)); |
c6a6e2db AG |
3401 | |
3402 | if (adev->asic_reset_res) | |
3403 | goto fail; | |
43c4d576 | 3404 | |
5e67bba3 | 3405 | if (adev->mmhub.ras && adev->mmhub.ras->ras_block.hw_ops && |
3406 | adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count) | |
3407 | adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(adev); | |
c6a6e2db AG |
3408 | } else { |
3409 | ||
3410 | task_barrier_full(&hive->tb); | |
3411 | adev->asic_reset_res = amdgpu_asic_reset(adev); | |
3412 | } | |
ce316fa5 | 3413 | |
c6a6e2db | 3414 | fail: |
d4535e2c | 3415 | if (adev->asic_reset_res) |
fed184e9 | 3416 | DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 3417 | adev->asic_reset_res, adev_to_drm(adev)->unique); |
d95e8e97 | 3418 | amdgpu_put_xgmi_hive(hive); |
d4535e2c AG |
3419 | } |
3420 | ||
71f98027 AD |
3421 | static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) |
3422 | { | |
3423 | char *input = amdgpu_lockup_timeout; | |
3424 | char *timeout_setting = NULL; | |
3425 | int index = 0; | |
3426 | long timeout; | |
3427 | int ret = 0; | |
3428 | ||
3429 | /* | |
67387dfe AD |
3430 | * By default timeout for non compute jobs is 10000 |
3431 | * and 60000 for compute jobs. | |
71f98027 | 3432 | * In SR-IOV or passthrough mode, timeout for compute |
b7b2a316 | 3433 | * jobs are 60000 by default. |
71f98027 AD |
3434 | */ |
3435 | adev->gfx_timeout = msecs_to_jiffies(10000); | |
3436 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; | |
9882e278 ED |
3437 | if (amdgpu_sriov_vf(adev)) |
3438 | adev->compute_timeout = amdgpu_sriov_is_pp_one_vf(adev) ? | |
3439 | msecs_to_jiffies(60000) : msecs_to_jiffies(10000); | |
71f98027 | 3440 | else |
67387dfe | 3441 | adev->compute_timeout = msecs_to_jiffies(60000); |
71f98027 | 3442 | |
f440ff44 | 3443 | if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 | 3444 | while ((timeout_setting = strsep(&input, ",")) && |
f440ff44 | 3445 | strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 AD |
3446 | ret = kstrtol(timeout_setting, 0, &timeout); |
3447 | if (ret) | |
3448 | return ret; | |
3449 | ||
3450 | if (timeout == 0) { | |
3451 | index++; | |
3452 | continue; | |
3453 | } else if (timeout < 0) { | |
3454 | timeout = MAX_SCHEDULE_TIMEOUT; | |
127aedf9 CK |
3455 | dev_warn(adev->dev, "lockup timeout disabled"); |
3456 | add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK); | |
71f98027 AD |
3457 | } else { |
3458 | timeout = msecs_to_jiffies(timeout); | |
3459 | } | |
3460 | ||
3461 | switch (index++) { | |
3462 | case 0: | |
3463 | adev->gfx_timeout = timeout; | |
3464 | break; | |
3465 | case 1: | |
3466 | adev->compute_timeout = timeout; | |
3467 | break; | |
3468 | case 2: | |
3469 | adev->sdma_timeout = timeout; | |
3470 | break; | |
3471 | case 3: | |
3472 | adev->video_timeout = timeout; | |
3473 | break; | |
3474 | default: | |
3475 | break; | |
3476 | } | |
3477 | } | |
3478 | /* | |
3479 | * There is only one value specified and | |
3480 | * it should apply to all non-compute jobs. | |
3481 | */ | |
bcccee89 | 3482 | if (index == 1) { |
71f98027 | 3483 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; |
bcccee89 ED |
3484 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) |
3485 | adev->compute_timeout = adev->gfx_timeout; | |
3486 | } | |
71f98027 AD |
3487 | } |
3488 | ||
3489 | return ret; | |
3490 | } | |
d4535e2c | 3491 | |
4a74c38c PY |
3492 | /** |
3493 | * amdgpu_device_check_iommu_direct_map - check if RAM direct mapped to GPU | |
3494 | * | |
3495 | * @adev: amdgpu_device pointer | |
3496 | * | |
3497 | * RAM direct mapped to GPU if IOMMU is not enabled or is pass through mode | |
3498 | */ | |
3499 | static void amdgpu_device_check_iommu_direct_map(struct amdgpu_device *adev) | |
3500 | { | |
3501 | struct iommu_domain *domain; | |
3502 | ||
3503 | domain = iommu_get_domain_for_dev(adev->dev); | |
3504 | if (!domain || domain->type == IOMMU_DOMAIN_IDENTITY) | |
3505 | adev->ram_is_direct_mapped = true; | |
3506 | } | |
3507 | ||
77f3a5cd ND |
3508 | static const struct attribute *amdgpu_dev_attributes[] = { |
3509 | &dev_attr_product_name.attr, | |
3510 | &dev_attr_product_number.attr, | |
3511 | &dev_attr_serial_number.attr, | |
3512 | &dev_attr_pcie_replay_count.attr, | |
3513 | NULL | |
3514 | }; | |
3515 | ||
d38ceaf9 AD |
3516 | /** |
3517 | * amdgpu_device_init - initialize the driver | |
3518 | * | |
3519 | * @adev: amdgpu_device pointer | |
d38ceaf9 AD |
3520 | * @flags: driver flags |
3521 | * | |
3522 | * Initializes the driver info and hw (all asics). | |
3523 | * Returns 0 for success or an error on failure. | |
3524 | * Called at driver startup. | |
3525 | */ | |
3526 | int amdgpu_device_init(struct amdgpu_device *adev, | |
d38ceaf9 AD |
3527 | uint32_t flags) |
3528 | { | |
8aba21b7 LT |
3529 | struct drm_device *ddev = adev_to_drm(adev); |
3530 | struct pci_dev *pdev = adev->pdev; | |
d38ceaf9 | 3531 | int r, i; |
b98c6299 | 3532 | bool px = false; |
95844d20 | 3533 | u32 max_MBps; |
d38ceaf9 AD |
3534 | |
3535 | adev->shutdown = false; | |
d38ceaf9 | 3536 | adev->flags = flags; |
4e66d7d2 YZ |
3537 | |
3538 | if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST) | |
3539 | adev->asic_type = amdgpu_force_asic_type; | |
3540 | else | |
3541 | adev->asic_type = flags & AMD_ASIC_MASK; | |
3542 | ||
d38ceaf9 | 3543 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
593aa2d2 | 3544 | if (amdgpu_emu_mode == 1) |
8bdab6bb | 3545 | adev->usec_timeout *= 10; |
770d13b1 | 3546 | adev->gmc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
3547 | adev->accel_working = false; |
3548 | adev->num_rings = 0; | |
68ce8b24 | 3549 | RCU_INIT_POINTER(adev->gang_submit, dma_fence_get_stub()); |
d38ceaf9 AD |
3550 | adev->mman.buffer_funcs = NULL; |
3551 | adev->mman.buffer_funcs_ring = NULL; | |
3552 | adev->vm_manager.vm_pte_funcs = NULL; | |
0c88b430 | 3553 | adev->vm_manager.vm_pte_num_scheds = 0; |
132f34e4 | 3554 | adev->gmc.gmc_funcs = NULL; |
7bd939d0 | 3555 | adev->harvest_ip_mask = 0x0; |
f54d1867 | 3556 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
b8866c26 | 3557 | bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); |
d38ceaf9 AD |
3558 | |
3559 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
3560 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
3561 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
3562 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
3563 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
3564 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
4fa1c6a6 TZ |
3565 | adev->pcie_rreg64 = &amdgpu_invalid_rreg64; |
3566 | adev->pcie_wreg64 = &amdgpu_invalid_wreg64; | |
d38ceaf9 AD |
3567 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
3568 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
3569 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
3570 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
3571 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
3572 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
3573 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
3574 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
3575 | ||
3e39ab90 AD |
3576 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
3577 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
3578 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
3579 | |
3580 | /* mutex initialization are all done here so we | |
3581 | * can recall function without having locking issues */ | |
0e5ca0d1 | 3582 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
3583 | mutex_init(&adev->pm.mutex); |
3584 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
3585 | mutex_init(&adev->srbm_mutex); | |
b8866c26 | 3586 | mutex_init(&adev->gfx.pipe_reserve_mutex); |
d23ee13f | 3587 | mutex_init(&adev->gfx.gfx_off_mutex); |
d38ceaf9 | 3588 | mutex_init(&adev->grbm_idx_mutex); |
d38ceaf9 | 3589 | mutex_init(&adev->mn_lock); |
e23b74aa | 3590 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 | 3591 | hash_init(adev->mn_hash); |
32eaeae0 | 3592 | mutex_init(&adev->psp.mutex); |
bd052211 | 3593 | mutex_init(&adev->notifier_lock); |
8cda7a4f | 3594 | mutex_init(&adev->pm.stable_pstate_ctx_lock); |
f113cc32 | 3595 | mutex_init(&adev->benchmark_mutex); |
d38ceaf9 | 3596 | |
ab3b9de6 | 3597 | amdgpu_device_init_apu_flags(adev); |
9f6a7857 | 3598 | |
912dfc84 EQ |
3599 | r = amdgpu_device_check_arguments(adev); |
3600 | if (r) | |
3601 | return r; | |
d38ceaf9 | 3602 | |
d38ceaf9 AD |
3603 | spin_lock_init(&adev->mmio_idx_lock); |
3604 | spin_lock_init(&adev->smc_idx_lock); | |
3605 | spin_lock_init(&adev->pcie_idx_lock); | |
3606 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
3607 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 3608 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 3609 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 3610 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 3611 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 3612 | |
0c4e7fa5 CZ |
3613 | INIT_LIST_HEAD(&adev->shadow_list); |
3614 | mutex_init(&adev->shadow_list_lock); | |
3615 | ||
655ce9cb | 3616 | INIT_LIST_HEAD(&adev->reset_list); |
3617 | ||
6492e1b0 | 3618 | INIT_LIST_HEAD(&adev->ras_list); |
3619 | ||
beff74bc AD |
3620 | INIT_DELAYED_WORK(&adev->delayed_init_work, |
3621 | amdgpu_device_delayed_init_work_handler); | |
1e317b99 RZ |
3622 | INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, |
3623 | amdgpu_device_delay_enable_gfx_off); | |
2dc80b00 | 3624 | |
d4535e2c AG |
3625 | INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |
3626 | ||
d23ee13f | 3627 | adev->gfx.gfx_off_req_count = 1; |
0ad7347a AA |
3628 | adev->gfx.gfx_off_residency = 0; |
3629 | adev->gfx.gfx_off_entrycount = 0; | |
b6e79d9a | 3630 | adev->pm.ac_power = power_supply_is_system_supplied() > 0; |
b1ddf548 | 3631 | |
b265bdbd EQ |
3632 | atomic_set(&adev->throttling_logging_enabled, 1); |
3633 | /* | |
3634 | * If throttling continues, logging will be performed every minute | |
3635 | * to avoid log flooding. "-1" is subtracted since the thermal | |
3636 | * throttling interrupt comes every second. Thus, the total logging | |
3637 | * interval is 59 seconds(retelimited printk interval) + 1(waiting | |
3638 | * for throttling interrupt) = 60 seconds. | |
3639 | */ | |
3640 | ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZ, 1); | |
3641 | ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE); | |
3642 | ||
0fa49558 AX |
3643 | /* Registers mapping */ |
3644 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
3645 | if (adev->asic_type >= CHIP_BONAIRE) { |
3646 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
3647 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
3648 | } else { | |
3649 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
3650 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
3651 | } | |
d38ceaf9 | 3652 | |
6c08e0ef EQ |
3653 | for (i = 0; i < AMD_IP_BLOCK_TYPE_NUM; i++) |
3654 | atomic_set(&adev->pm.pwr_state[i], POWER_STATE_UNKNOWN); | |
3655 | ||
d38ceaf9 AD |
3656 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
3657 | if (adev->rmmio == NULL) { | |
3658 | return -ENOMEM; | |
3659 | } | |
3660 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
3661 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
3662 | ||
5494d864 AD |
3663 | amdgpu_device_get_pcie_info(adev); |
3664 | ||
b239c017 JX |
3665 | if (amdgpu_mcbp) |
3666 | DRM_INFO("MCBP is enabled\n"); | |
3667 | ||
436afdfa PY |
3668 | /* |
3669 | * Reset domain needs to be present early, before XGMI hive discovered | |
3670 | * (if any) and intitialized to use reset sem and in_gpu reset flag | |
3671 | * early on during init and before calling to RREG32. | |
3672 | */ | |
3673 | adev->reset_domain = amdgpu_reset_create_reset_domain(SINGLE_DEVICE, "amdgpu-reset-dev"); | |
3674 | if (!adev->reset_domain) | |
3675 | return -ENOMEM; | |
3676 | ||
3aa0115d ML |
3677 | /* detect hw virtualization here */ |
3678 | amdgpu_detect_virtualization(adev); | |
3679 | ||
dffa11b4 ML |
3680 | r = amdgpu_device_get_job_timeout_settings(adev); |
3681 | if (r) { | |
3682 | dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); | |
4ef87d8f | 3683 | return r; |
a190d1c7 XY |
3684 | } |
3685 | ||
d38ceaf9 | 3686 | /* early init functions */ |
06ec9070 | 3687 | r = amdgpu_device_ip_early_init(adev); |
d38ceaf9 | 3688 | if (r) |
4ef87d8f | 3689 | return r; |
d38ceaf9 | 3690 | |
4d33e704 SK |
3691 | /* Enable TMZ based on IP_VERSION */ |
3692 | amdgpu_gmc_tmz_set(adev); | |
3693 | ||
957b0787 | 3694 | amdgpu_gmc_noretry_set(adev); |
4a0165f0 VS |
3695 | /* Need to get xgmi info early to decide the reset behavior*/ |
3696 | if (adev->gmc.xgmi.supported) { | |
3697 | r = adev->gfxhub.funcs->get_xgmi_info(adev); | |
3698 | if (r) | |
3699 | return r; | |
3700 | } | |
3701 | ||
8e6d0b69 | 3702 | /* enable PCIE atomic ops */ |
3703 | if (amdgpu_sriov_vf(adev)) | |
3704 | adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *) | |
e15c9d06 | 3705 | adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_support_flags == |
8e6d0b69 | 3706 | (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); |
3707 | else | |
3708 | adev->have_atomics_support = | |
3709 | !pci_enable_atomic_ops_to_root(adev->pdev, | |
3710 | PCI_EXP_DEVCAP2_ATOMIC_COMP32 | | |
3711 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); | |
3712 | if (!adev->have_atomics_support) | |
3713 | dev_info(adev->dev, "PCIE atomic ops is not supported\n"); | |
3714 | ||
6585661d OZ |
3715 | /* doorbell bar mapping and doorbell index init*/ |
3716 | amdgpu_device_doorbell_init(adev); | |
3717 | ||
9475a943 SL |
3718 | if (amdgpu_emu_mode == 1) { |
3719 | /* post the asic on emulation mode */ | |
3720 | emu_soc_asic_init(adev); | |
bfca0289 | 3721 | goto fence_driver_init; |
9475a943 | 3722 | } |
bfca0289 | 3723 | |
04442bf7 LL |
3724 | amdgpu_reset_init(adev); |
3725 | ||
4e99a44e ML |
3726 | /* detect if we are with an SRIOV vbios */ |
3727 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 3728 | |
95e8e59e AD |
3729 | /* check if we need to reset the asic |
3730 | * E.g., driver was not cleanly unloaded previously, etc. | |
3731 | */ | |
f14899fd | 3732 | if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { |
e3c1b071 | 3733 | if (adev->gmc.xgmi.num_physical_nodes) { |
3734 | dev_info(adev->dev, "Pending hive reset.\n"); | |
3735 | adev->gmc.xgmi.pending_reset = true; | |
3736 | /* Only need to init necessary block for SMU to handle the reset */ | |
3737 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
3738 | if (!adev->ip_blocks[i].status.valid) | |
3739 | continue; | |
3740 | if (!(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
3741 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
3742 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || | |
3743 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC)) { | |
751f43e7 | 3744 | DRM_DEBUG("IP %s disabled for hw_init.\n", |
e3c1b071 | 3745 | adev->ip_blocks[i].version->funcs->name); |
3746 | adev->ip_blocks[i].status.hw = true; | |
3747 | } | |
3748 | } | |
3749 | } else { | |
3750 | r = amdgpu_asic_reset(adev); | |
3751 | if (r) { | |
3752 | dev_err(adev->dev, "asic reset on init failed\n"); | |
3753 | goto failed; | |
3754 | } | |
95e8e59e AD |
3755 | } |
3756 | } | |
3757 | ||
8f66090b | 3758 | pci_enable_pcie_error_reporting(adev->pdev); |
c9a6b82f | 3759 | |
d38ceaf9 | 3760 | /* Post card if necessary */ |
39c640c0 | 3761 | if (amdgpu_device_need_post(adev)) { |
d38ceaf9 | 3762 | if (!adev->bios) { |
bec86378 | 3763 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
3764 | r = -EINVAL; |
3765 | goto failed; | |
d38ceaf9 | 3766 | } |
bec86378 | 3767 | DRM_INFO("GPU posting now...\n"); |
4d2997ab | 3768 | r = amdgpu_device_asic_init(adev); |
4e99a44e ML |
3769 | if (r) { |
3770 | dev_err(adev->dev, "gpu post error!\n"); | |
3771 | goto failed; | |
3772 | } | |
d38ceaf9 AD |
3773 | } |
3774 | ||
88b64e95 AD |
3775 | if (adev->is_atom_fw) { |
3776 | /* Initialize clocks */ | |
3777 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
3778 | if (r) { | |
3779 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
e23b74aa | 3780 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
88b64e95 AD |
3781 | goto failed; |
3782 | } | |
3783 | } else { | |
a5bde2f9 AD |
3784 | /* Initialize clocks */ |
3785 | r = amdgpu_atombios_get_clock_info(adev); | |
3786 | if (r) { | |
3787 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
e23b74aa | 3788 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
89041940 | 3789 | goto failed; |
a5bde2f9 AD |
3790 | } |
3791 | /* init i2c buses */ | |
4562236b HW |
3792 | if (!amdgpu_device_has_dc_support(adev)) |
3793 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 3794 | } |
d38ceaf9 | 3795 | |
bfca0289 | 3796 | fence_driver_init: |
d38ceaf9 | 3797 | /* Fence driver */ |
067f44c8 | 3798 | r = amdgpu_fence_driver_sw_init(adev); |
2c1a2784 | 3799 | if (r) { |
067f44c8 | 3800 | dev_err(adev->dev, "amdgpu_fence_driver_sw_init failed\n"); |
e23b74aa | 3801 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 3802 | goto failed; |
2c1a2784 | 3803 | } |
d38ceaf9 AD |
3804 | |
3805 | /* init the mode config */ | |
4a580877 | 3806 | drm_mode_config_init(adev_to_drm(adev)); |
d38ceaf9 | 3807 | |
06ec9070 | 3808 | r = amdgpu_device_ip_init(adev); |
d38ceaf9 | 3809 | if (r) { |
8840a387 | 3810 | /* failed in exclusive mode due to timeout */ |
3811 | if (amdgpu_sriov_vf(adev) && | |
3812 | !amdgpu_sriov_runtime(adev) && | |
3813 | amdgpu_virt_mmio_blocked(adev) && | |
3814 | !amdgpu_virt_wait_reset(adev)) { | |
3815 | dev_err(adev->dev, "VF exclusive mode timeout\n"); | |
1daee8b4 PD |
3816 | /* Don't send request since VF is inactive. */ |
3817 | adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; | |
3818 | adev->virt.ops = NULL; | |
8840a387 | 3819 | r = -EAGAIN; |
970fd197 | 3820 | goto release_ras_con; |
8840a387 | 3821 | } |
06ec9070 | 3822 | dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); |
e23b74aa | 3823 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
970fd197 | 3824 | goto release_ras_con; |
d38ceaf9 AD |
3825 | } |
3826 | ||
8d35a259 LG |
3827 | amdgpu_fence_driver_hw_init(adev); |
3828 | ||
d69b8971 YZ |
3829 | dev_info(adev->dev, |
3830 | "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n", | |
d7f72fe4 YZ |
3831 | adev->gfx.config.max_shader_engines, |
3832 | adev->gfx.config.max_sh_per_se, | |
3833 | adev->gfx.config.max_cu_per_sh, | |
3834 | adev->gfx.cu_info.number); | |
3835 | ||
d38ceaf9 AD |
3836 | adev->accel_working = true; |
3837 | ||
e59c0205 AX |
3838 | amdgpu_vm_check_compute_bug(adev); |
3839 | ||
95844d20 MO |
3840 | /* Initialize the buffer migration limit. */ |
3841 | if (amdgpu_moverate >= 0) | |
3842 | max_MBps = amdgpu_moverate; | |
3843 | else | |
3844 | max_MBps = 8; /* Allow 8 MB/s. */ | |
3845 | /* Get a log2 for easy divisions. */ | |
3846 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
3847 | ||
d2f52ac8 | 3848 | r = amdgpu_pm_sysfs_init(adev); |
7c868b59 YT |
3849 | if (r) { |
3850 | adev->pm_sysfs_en = false; | |
d2f52ac8 | 3851 | DRM_ERROR("registering pm debugfs failed (%d).\n", r); |
7c868b59 YT |
3852 | } else |
3853 | adev->pm_sysfs_en = true; | |
d2f52ac8 | 3854 | |
5bb23532 | 3855 | r = amdgpu_ucode_sysfs_init(adev); |
7c868b59 YT |
3856 | if (r) { |
3857 | adev->ucode_sysfs_en = false; | |
5bb23532 | 3858 | DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); |
7c868b59 YT |
3859 | } else |
3860 | adev->ucode_sysfs_en = true; | |
5bb23532 | 3861 | |
8424f2cc LG |
3862 | r = amdgpu_psp_sysfs_init(adev); |
3863 | if (r) { | |
3864 | adev->psp_sysfs_en = false; | |
3865 | if (!amdgpu_sriov_vf(adev)) | |
3866 | DRM_ERROR("Creating psp sysfs failed\n"); | |
3867 | } else | |
3868 | adev->psp_sysfs_en = true; | |
3869 | ||
b0adca4d EQ |
3870 | /* |
3871 | * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. | |
3872 | * Otherwise the mgpu fan boost feature will be skipped due to the | |
3873 | * gpu instance is counted less. | |
3874 | */ | |
3875 | amdgpu_register_gpu_instance(adev); | |
3876 | ||
d38ceaf9 AD |
3877 | /* enable clockgating, etc. after ib tests, etc. since some blocks require |
3878 | * explicit gating rather than handling it automatically. | |
3879 | */ | |
e3c1b071 | 3880 | if (!adev->gmc.xgmi.pending_reset) { |
3881 | r = amdgpu_device_ip_late_init(adev); | |
3882 | if (r) { | |
3883 | dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); | |
3884 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); | |
970fd197 | 3885 | goto release_ras_con; |
e3c1b071 | 3886 | } |
3887 | /* must succeed. */ | |
3888 | amdgpu_ras_resume(adev); | |
3889 | queue_delayed_work(system_wq, &adev->delayed_init_work, | |
3890 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
2c1a2784 | 3891 | } |
d38ceaf9 | 3892 | |
2c738637 ML |
3893 | if (amdgpu_sriov_vf(adev)) |
3894 | flush_delayed_work(&adev->delayed_init_work); | |
3895 | ||
77f3a5cd | 3896 | r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes); |
5aea5327 | 3897 | if (r) |
77f3a5cd | 3898 | dev_err(adev->dev, "Could not create amdgpu device attr\n"); |
bd607166 | 3899 | |
d155bef0 AB |
3900 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3901 | r = amdgpu_pmu_init(adev); | |
9c7c85f7 JK |
3902 | if (r) |
3903 | dev_err(adev->dev, "amdgpu_pmu_init failed\n"); | |
3904 | ||
c1dd4aa6 AG |
3905 | /* Have stored pci confspace at hand for restore in sudden PCI error */ |
3906 | if (amdgpu_device_cache_pci_state(adev->pdev)) | |
3907 | pci_restore_state(pdev); | |
3908 | ||
8c3dd61c KHF |
3909 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ |
3910 | /* this will fail for cards that aren't VGA class devices, just | |
3911 | * ignore it */ | |
3912 | if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) | |
bf44e8ce | 3913 | vga_client_register(adev->pdev, amdgpu_device_vga_set_decode); |
8c3dd61c KHF |
3914 | |
3915 | if (amdgpu_device_supports_px(ddev)) { | |
3916 | px = true; | |
3917 | vga_switcheroo_register_client(adev->pdev, | |
3918 | &amdgpu_switcheroo_ops, px); | |
3919 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); | |
3920 | } | |
3921 | ||
e3c1b071 | 3922 | if (adev->gmc.xgmi.pending_reset) |
3923 | queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work, | |
3924 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3925 | ||
4a74c38c PY |
3926 | amdgpu_device_check_iommu_direct_map(adev); |
3927 | ||
d38ceaf9 | 3928 | return 0; |
83ba126a | 3929 | |
970fd197 SY |
3930 | release_ras_con: |
3931 | amdgpu_release_ras_context(adev); | |
3932 | ||
83ba126a | 3933 | failed: |
89041940 | 3934 | amdgpu_vf_error_trans_all(adev); |
8840a387 | 3935 | |
83ba126a | 3936 | return r; |
d38ceaf9 AD |
3937 | } |
3938 | ||
07775fc1 AG |
3939 | static void amdgpu_device_unmap_mmio(struct amdgpu_device *adev) |
3940 | { | |
62d5f9f7 | 3941 | |
07775fc1 AG |
3942 | /* Clear all CPU mappings pointing to this device */ |
3943 | unmap_mapping_range(adev->ddev.anon_inode->i_mapping, 0, 0, 1); | |
3944 | ||
3945 | /* Unmap all mapped bars - Doorbell, registers and VRAM */ | |
3946 | amdgpu_device_doorbell_fini(adev); | |
3947 | ||
3948 | iounmap(adev->rmmio); | |
3949 | adev->rmmio = NULL; | |
3950 | if (adev->mman.aper_base_kaddr) | |
3951 | iounmap(adev->mman.aper_base_kaddr); | |
3952 | adev->mman.aper_base_kaddr = NULL; | |
3953 | ||
3954 | /* Memory manager related */ | |
3955 | if (!adev->gmc.xgmi.connected_to_cpu) { | |
3956 | arch_phys_wc_del(adev->gmc.vram_mtrr); | |
3957 | arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size); | |
3958 | } | |
3959 | } | |
3960 | ||
d38ceaf9 | 3961 | /** |
bbe04dec | 3962 | * amdgpu_device_fini_hw - tear down the driver |
d38ceaf9 AD |
3963 | * |
3964 | * @adev: amdgpu_device pointer | |
3965 | * | |
3966 | * Tear down the driver info (all asics). | |
3967 | * Called at driver shutdown. | |
3968 | */ | |
72c8c97b | 3969 | void amdgpu_device_fini_hw(struct amdgpu_device *adev) |
d38ceaf9 | 3970 | { |
aac89168 | 3971 | dev_info(adev->dev, "amdgpu: finishing device.\n"); |
9f875167 | 3972 | flush_delayed_work(&adev->delayed_init_work); |
d0d13fe8 | 3973 | adev->shutdown = true; |
9f875167 | 3974 | |
752c683d ML |
3975 | /* make sure IB test finished before entering exclusive mode |
3976 | * to avoid preemption on IB test | |
3977 | * */ | |
519b8b76 | 3978 | if (amdgpu_sriov_vf(adev)) { |
752c683d | 3979 | amdgpu_virt_request_full_gpu(adev, false); |
519b8b76 BZ |
3980 | amdgpu_virt_fini_data_exchange(adev); |
3981 | } | |
752c683d | 3982 | |
e5b03032 ML |
3983 | /* disable all interrupts */ |
3984 | amdgpu_irq_disable_all(adev); | |
ff97cba8 | 3985 | if (adev->mode_info.mode_config_initialized){ |
1053b9c9 | 3986 | if (!drm_drv_uses_atomic_modeset(adev_to_drm(adev))) |
4a580877 | 3987 | drm_helper_force_disable_all(adev_to_drm(adev)); |
ff97cba8 | 3988 | else |
4a580877 | 3989 | drm_atomic_helper_shutdown(adev_to_drm(adev)); |
ff97cba8 | 3990 | } |
8d35a259 | 3991 | amdgpu_fence_driver_hw_fini(adev); |
72c8c97b | 3992 | |
98f56188 YY |
3993 | if (adev->mman.initialized) { |
3994 | flush_delayed_work(&adev->mman.bdev.wq); | |
3995 | ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); | |
3996 | } | |
3997 | ||
7c868b59 YT |
3998 | if (adev->pm_sysfs_en) |
3999 | amdgpu_pm_sysfs_fini(adev); | |
72c8c97b AG |
4000 | if (adev->ucode_sysfs_en) |
4001 | amdgpu_ucode_sysfs_fini(adev); | |
8424f2cc LG |
4002 | if (adev->psp_sysfs_en) |
4003 | amdgpu_psp_sysfs_fini(adev); | |
72c8c97b AG |
4004 | sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes); |
4005 | ||
232d1d43 SY |
4006 | /* disable ras feature must before hw fini */ |
4007 | amdgpu_ras_pre_fini(adev); | |
4008 | ||
e9669fb7 | 4009 | amdgpu_device_ip_fini_early(adev); |
d10d0daa | 4010 | |
a3848df6 YW |
4011 | amdgpu_irq_fini_hw(adev); |
4012 | ||
b6fd6e0f SK |
4013 | if (adev->mman.initialized) |
4014 | ttm_device_clear_dma_mappings(&adev->mman.bdev); | |
894c6890 | 4015 | |
d10d0daa | 4016 | amdgpu_gart_dummy_page_fini(adev); |
07775fc1 | 4017 | |
fac53471 | 4018 | amdgpu_device_unmap_mmio(adev); |
87172e89 | 4019 | |
72c8c97b AG |
4020 | } |
4021 | ||
4022 | void amdgpu_device_fini_sw(struct amdgpu_device *adev) | |
4023 | { | |
62d5f9f7 LS |
4024 | int idx; |
4025 | ||
8d35a259 | 4026 | amdgpu_fence_driver_sw_fini(adev); |
a5c5d8d5 | 4027 | amdgpu_device_ip_fini(adev); |
75e1658e ND |
4028 | release_firmware(adev->firmware.gpu_info_fw); |
4029 | adev->firmware.gpu_info_fw = NULL; | |
d38ceaf9 | 4030 | adev->accel_working = false; |
68ce8b24 | 4031 | dma_fence_put(rcu_dereference_protected(adev->gang_submit, true)); |
04442bf7 LL |
4032 | |
4033 | amdgpu_reset_fini(adev); | |
4034 | ||
d38ceaf9 | 4035 | /* free i2c buses */ |
4562236b HW |
4036 | if (!amdgpu_device_has_dc_support(adev)) |
4037 | amdgpu_i2c_fini(adev); | |
bfca0289 SL |
4038 | |
4039 | if (amdgpu_emu_mode != 1) | |
4040 | amdgpu_atombios_fini(adev); | |
4041 | ||
d38ceaf9 AD |
4042 | kfree(adev->bios); |
4043 | adev->bios = NULL; | |
b98c6299 | 4044 | if (amdgpu_device_supports_px(adev_to_drm(adev))) { |
84c8b22e | 4045 | vga_switcheroo_unregister_client(adev->pdev); |
83ba126a | 4046 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
b98c6299 | 4047 | } |
38d6be81 | 4048 | if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) |
b8779475 | 4049 | vga_client_unregister(adev->pdev); |
e9bc1bf7 | 4050 | |
62d5f9f7 LS |
4051 | if (drm_dev_enter(adev_to_drm(adev), &idx)) { |
4052 | ||
4053 | iounmap(adev->rmmio); | |
4054 | adev->rmmio = NULL; | |
4055 | amdgpu_device_doorbell_fini(adev); | |
4056 | drm_dev_exit(idx); | |
4057 | } | |
4058 | ||
d155bef0 AB |
4059 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
4060 | amdgpu_pmu_fini(adev); | |
72de33f8 | 4061 | if (adev->mman.discovery_bin) |
a190d1c7 | 4062 | amdgpu_discovery_fini(adev); |
72c8c97b | 4063 | |
cfbb6b00 AG |
4064 | amdgpu_reset_put_reset_domain(adev->reset_domain); |
4065 | adev->reset_domain = NULL; | |
4066 | ||
72c8c97b AG |
4067 | kfree(adev->pci_state); |
4068 | ||
d38ceaf9 AD |
4069 | } |
4070 | ||
58144d28 ND |
4071 | /** |
4072 | * amdgpu_device_evict_resources - evict device resources | |
4073 | * @adev: amdgpu device object | |
4074 | * | |
4075 | * Evicts all ttm device resources(vram BOs, gart table) from the lru list | |
4076 | * of the vram memory type. Mainly used for evicting device resources | |
4077 | * at suspend time. | |
4078 | * | |
4079 | */ | |
7863c155 | 4080 | static int amdgpu_device_evict_resources(struct amdgpu_device *adev) |
58144d28 | 4081 | { |
7863c155 ML |
4082 | int ret; |
4083 | ||
e53d9665 ML |
4084 | /* No need to evict vram on APUs for suspend to ram or s2idle */ |
4085 | if ((adev->in_s3 || adev->in_s0ix) && (adev->flags & AMD_IS_APU)) | |
7863c155 | 4086 | return 0; |
58144d28 | 4087 | |
7863c155 ML |
4088 | ret = amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM); |
4089 | if (ret) | |
58144d28 | 4090 | DRM_WARN("evicting device resources failed\n"); |
7863c155 | 4091 | return ret; |
58144d28 | 4092 | } |
d38ceaf9 AD |
4093 | |
4094 | /* | |
4095 | * Suspend & resume. | |
4096 | */ | |
4097 | /** | |
810ddc3a | 4098 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 | 4099 | * |
87e3f136 | 4100 | * @dev: drm dev pointer |
87e3f136 | 4101 | * @fbcon : notify the fbdev of suspend |
d38ceaf9 AD |
4102 | * |
4103 | * Puts the hw in the suspend state (all asics). | |
4104 | * Returns 0 for success or an error on failure. | |
4105 | * Called at driver suspend. | |
4106 | */ | |
de185019 | 4107 | int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) |
d38ceaf9 | 4108 | { |
a2e15b0e | 4109 | struct amdgpu_device *adev = drm_to_adev(dev); |
d7274ec7 | 4110 | int r = 0; |
d38ceaf9 | 4111 | |
d38ceaf9 AD |
4112 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
4113 | return 0; | |
4114 | ||
44779b43 | 4115 | adev->in_suspend = true; |
3fa8f89d | 4116 | |
47ea2076 SF |
4117 | /* Evict the majority of BOs before grabbing the full access */ |
4118 | r = amdgpu_device_evict_resources(adev); | |
4119 | if (r) | |
4120 | return r; | |
4121 | ||
d7274ec7 BZ |
4122 | if (amdgpu_sriov_vf(adev)) { |
4123 | amdgpu_virt_fini_data_exchange(adev); | |
4124 | r = amdgpu_virt_request_full_gpu(adev, false); | |
4125 | if (r) | |
4126 | return r; | |
4127 | } | |
4128 | ||
3fa8f89d S |
4129 | if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D3)) |
4130 | DRM_WARN("smart shift update failed\n"); | |
4131 | ||
d38ceaf9 AD |
4132 | drm_kms_helper_poll_disable(dev); |
4133 | ||
5f818173 | 4134 | if (fbcon) |
087451f3 | 4135 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, true); |
5f818173 | 4136 | |
beff74bc | 4137 | cancel_delayed_work_sync(&adev->delayed_init_work); |
a5459475 | 4138 | |
5e6932fe | 4139 | amdgpu_ras_suspend(adev); |
4140 | ||
2196927b | 4141 | amdgpu_device_ip_suspend_phase1(adev); |
fe1053b7 | 4142 | |
c004d44e | 4143 | if (!adev->in_s0ix) |
5d3a2d95 | 4144 | amdgpu_amdkfd_suspend(adev, adev->in_runpm); |
94fa5660 | 4145 | |
7863c155 ML |
4146 | r = amdgpu_device_evict_resources(adev); |
4147 | if (r) | |
4148 | return r; | |
d38ceaf9 | 4149 | |
8d35a259 | 4150 | amdgpu_fence_driver_hw_fini(adev); |
d38ceaf9 | 4151 | |
2196927b | 4152 | amdgpu_device_ip_suspend_phase2(adev); |
d38ceaf9 | 4153 | |
d7274ec7 BZ |
4154 | if (amdgpu_sriov_vf(adev)) |
4155 | amdgpu_virt_release_full_gpu(adev, false); | |
4156 | ||
d38ceaf9 AD |
4157 | return 0; |
4158 | } | |
4159 | ||
4160 | /** | |
810ddc3a | 4161 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 | 4162 | * |
87e3f136 | 4163 | * @dev: drm dev pointer |
87e3f136 | 4164 | * @fbcon : notify the fbdev of resume |
d38ceaf9 AD |
4165 | * |
4166 | * Bring the hw back to operating state (all asics). | |
4167 | * Returns 0 for success or an error on failure. | |
4168 | * Called at driver resume. | |
4169 | */ | |
de185019 | 4170 | int amdgpu_device_resume(struct drm_device *dev, bool fbcon) |
d38ceaf9 | 4171 | { |
1348969a | 4172 | struct amdgpu_device *adev = drm_to_adev(dev); |
03161a6e | 4173 | int r = 0; |
d38ceaf9 | 4174 | |
d7274ec7 BZ |
4175 | if (amdgpu_sriov_vf(adev)) { |
4176 | r = amdgpu_virt_request_full_gpu(adev, true); | |
4177 | if (r) | |
4178 | return r; | |
4179 | } | |
4180 | ||
d38ceaf9 AD |
4181 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
4182 | return 0; | |
4183 | ||
62498733 | 4184 | if (adev->in_s0ix) |
bc143d8b | 4185 | amdgpu_dpm_gfx_state_change(adev, sGpuChangeState_D0Entry); |
628c36d7 | 4186 | |
d38ceaf9 | 4187 | /* post card */ |
39c640c0 | 4188 | if (amdgpu_device_need_post(adev)) { |
4d2997ab | 4189 | r = amdgpu_device_asic_init(adev); |
74b0b157 | 4190 | if (r) |
aac89168 | 4191 | dev_err(adev->dev, "amdgpu asic init failed\n"); |
74b0b157 | 4192 | } |
d38ceaf9 | 4193 | |
06ec9070 | 4194 | r = amdgpu_device_ip_resume(adev); |
d7274ec7 | 4195 | |
e6707218 | 4196 | if (r) { |
aac89168 | 4197 | dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r); |
3c22c1ea | 4198 | goto exit; |
e6707218 | 4199 | } |
8d35a259 | 4200 | amdgpu_fence_driver_hw_init(adev); |
5ceb54c6 | 4201 | |
06ec9070 | 4202 | r = amdgpu_device_ip_late_init(adev); |
03161a6e | 4203 | if (r) |
3c22c1ea | 4204 | goto exit; |
d38ceaf9 | 4205 | |
beff74bc AD |
4206 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
4207 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
4208 | ||
c004d44e | 4209 | if (!adev->in_s0ix) { |
5d3a2d95 AD |
4210 | r = amdgpu_amdkfd_resume(adev, adev->in_runpm); |
4211 | if (r) | |
3c22c1ea | 4212 | goto exit; |
5d3a2d95 | 4213 | } |
756e6880 | 4214 | |
3c22c1ea SF |
4215 | exit: |
4216 | if (amdgpu_sriov_vf(adev)) { | |
4217 | amdgpu_virt_init_data_exchange(adev); | |
4218 | amdgpu_virt_release_full_gpu(adev, true); | |
4219 | } | |
4220 | ||
4221 | if (r) | |
4222 | return r; | |
4223 | ||
96a5d8d4 | 4224 | /* Make sure IB tests flushed */ |
beff74bc | 4225 | flush_delayed_work(&adev->delayed_init_work); |
96a5d8d4 | 4226 | |
a2e15b0e | 4227 | if (fbcon) |
087451f3 | 4228 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, false); |
d38ceaf9 AD |
4229 | |
4230 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 | 4231 | |
5e6932fe | 4232 | amdgpu_ras_resume(adev); |
4233 | ||
d09ef243 AD |
4234 | if (adev->mode_info.num_crtc) { |
4235 | /* | |
4236 | * Most of the connector probing functions try to acquire runtime pm | |
4237 | * refs to ensure that the GPU is powered on when connector polling is | |
4238 | * performed. Since we're calling this from a runtime PM callback, | |
4239 | * trying to acquire rpm refs will cause us to deadlock. | |
4240 | * | |
4241 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
4242 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
4243 | */ | |
23a1a9e5 | 4244 | #ifdef CONFIG_PM |
d09ef243 | 4245 | dev->dev->power.disable_depth++; |
23a1a9e5 | 4246 | #endif |
d09ef243 AD |
4247 | if (!adev->dc_enabled) |
4248 | drm_helper_hpd_irq_event(dev); | |
4249 | else | |
4250 | drm_kms_helper_hotplug_event(dev); | |
23a1a9e5 | 4251 | #ifdef CONFIG_PM |
d09ef243 | 4252 | dev->dev->power.disable_depth--; |
23a1a9e5 | 4253 | #endif |
d09ef243 | 4254 | } |
44779b43 RZ |
4255 | adev->in_suspend = false; |
4256 | ||
3fa8f89d S |
4257 | if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D0)) |
4258 | DRM_WARN("smart shift update failed\n"); | |
4259 | ||
4d3b9ae5 | 4260 | return 0; |
d38ceaf9 AD |
4261 | } |
4262 | ||
e3ecdffa AD |
4263 | /** |
4264 | * amdgpu_device_ip_check_soft_reset - did soft reset succeed | |
4265 | * | |
4266 | * @adev: amdgpu_device pointer | |
4267 | * | |
4268 | * The list of all the hardware IPs that make up the asic is walked and | |
4269 | * the check_soft_reset callbacks are run. check_soft_reset determines | |
4270 | * if the asic is still hung or not. | |
4271 | * Returns true if any of the IPs are still in a hung state, false if not. | |
4272 | */ | |
06ec9070 | 4273 | static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) |
63fbf42f CZ |
4274 | { |
4275 | int i; | |
4276 | bool asic_hang = false; | |
4277 | ||
f993d628 ML |
4278 | if (amdgpu_sriov_vf(adev)) |
4279 | return true; | |
4280 | ||
8bc04c29 AD |
4281 | if (amdgpu_asic_need_full_reset(adev)) |
4282 | return true; | |
4283 | ||
63fbf42f | 4284 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 4285 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 4286 | continue; |
a1255107 AD |
4287 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
4288 | adev->ip_blocks[i].status.hang = | |
4289 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
4290 | if (adev->ip_blocks[i].status.hang) { | |
aac89168 | 4291 | dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); |
63fbf42f CZ |
4292 | asic_hang = true; |
4293 | } | |
4294 | } | |
4295 | return asic_hang; | |
4296 | } | |
4297 | ||
e3ecdffa AD |
4298 | /** |
4299 | * amdgpu_device_ip_pre_soft_reset - prepare for soft reset | |
4300 | * | |
4301 | * @adev: amdgpu_device pointer | |
4302 | * | |
4303 | * The list of all the hardware IPs that make up the asic is walked and the | |
4304 | * pre_soft_reset callbacks are run if the block is hung. pre_soft_reset | |
4305 | * handles any IP specific hardware or software state changes that are | |
4306 | * necessary for a soft reset to succeed. | |
4307 | * Returns 0 on success, negative error code on failure. | |
4308 | */ | |
06ec9070 | 4309 | static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
4310 | { |
4311 | int i, r = 0; | |
4312 | ||
4313 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4314 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 4315 | continue; |
a1255107 AD |
4316 | if (adev->ip_blocks[i].status.hang && |
4317 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
4318 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
4319 | if (r) |
4320 | return r; | |
4321 | } | |
4322 | } | |
4323 | ||
4324 | return 0; | |
4325 | } | |
4326 | ||
e3ecdffa AD |
4327 | /** |
4328 | * amdgpu_device_ip_need_full_reset - check if a full asic reset is needed | |
4329 | * | |
4330 | * @adev: amdgpu_device pointer | |
4331 | * | |
4332 | * Some hardware IPs cannot be soft reset. If they are hung, a full gpu | |
4333 | * reset is necessary to recover. | |
4334 | * Returns true if a full asic reset is required, false if not. | |
4335 | */ | |
06ec9070 | 4336 | static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) |
35d782fe | 4337 | { |
da146d3b AD |
4338 | int i; |
4339 | ||
8bc04c29 AD |
4340 | if (amdgpu_asic_need_full_reset(adev)) |
4341 | return true; | |
4342 | ||
da146d3b | 4343 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 4344 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 4345 | continue; |
a1255107 AD |
4346 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
4347 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
4348 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
4349 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
4350 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 4351 | if (adev->ip_blocks[i].status.hang) { |
aac89168 | 4352 | dev_info(adev->dev, "Some block need full reset!\n"); |
da146d3b AD |
4353 | return true; |
4354 | } | |
4355 | } | |
35d782fe CZ |
4356 | } |
4357 | return false; | |
4358 | } | |
4359 | ||
e3ecdffa AD |
4360 | /** |
4361 | * amdgpu_device_ip_soft_reset - do a soft reset | |
4362 | * | |
4363 | * @adev: amdgpu_device pointer | |
4364 | * | |
4365 | * The list of all the hardware IPs that make up the asic is walked and the | |
4366 | * soft_reset callbacks are run if the block is hung. soft_reset handles any | |
4367 | * IP specific hardware or software state changes that are necessary to soft | |
4368 | * reset the IP. | |
4369 | * Returns 0 on success, negative error code on failure. | |
4370 | */ | |
06ec9070 | 4371 | static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
4372 | { |
4373 | int i, r = 0; | |
4374 | ||
4375 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4376 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 4377 | continue; |
a1255107 AD |
4378 | if (adev->ip_blocks[i].status.hang && |
4379 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
4380 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
4381 | if (r) |
4382 | return r; | |
4383 | } | |
4384 | } | |
4385 | ||
4386 | return 0; | |
4387 | } | |
4388 | ||
e3ecdffa AD |
4389 | /** |
4390 | * amdgpu_device_ip_post_soft_reset - clean up from soft reset | |
4391 | * | |
4392 | * @adev: amdgpu_device pointer | |
4393 | * | |
4394 | * The list of all the hardware IPs that make up the asic is walked and the | |
4395 | * post_soft_reset callbacks are run if the asic was hung. post_soft_reset | |
4396 | * handles any IP specific hardware or software state changes that are | |
4397 | * necessary after the IP has been soft reset. | |
4398 | * Returns 0 on success, negative error code on failure. | |
4399 | */ | |
06ec9070 | 4400 | static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
4401 | { |
4402 | int i, r = 0; | |
4403 | ||
4404 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4405 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 4406 | continue; |
a1255107 AD |
4407 | if (adev->ip_blocks[i].status.hang && |
4408 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
4409 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
4410 | if (r) |
4411 | return r; | |
4412 | } | |
4413 | ||
4414 | return 0; | |
4415 | } | |
4416 | ||
e3ecdffa | 4417 | /** |
c33adbc7 | 4418 | * amdgpu_device_recover_vram - Recover some VRAM contents |
e3ecdffa AD |
4419 | * |
4420 | * @adev: amdgpu_device pointer | |
4421 | * | |
4422 | * Restores the contents of VRAM buffers from the shadows in GTT. Used to | |
4423 | * restore things like GPUVM page tables after a GPU reset where | |
4424 | * the contents of VRAM might be lost. | |
403009bf CK |
4425 | * |
4426 | * Returns: | |
4427 | * 0 on success, negative error code on failure. | |
e3ecdffa | 4428 | */ |
c33adbc7 | 4429 | static int amdgpu_device_recover_vram(struct amdgpu_device *adev) |
c41d1cf6 | 4430 | { |
c41d1cf6 | 4431 | struct dma_fence *fence = NULL, *next = NULL; |
403009bf | 4432 | struct amdgpu_bo *shadow; |
e18aaea7 | 4433 | struct amdgpu_bo_vm *vmbo; |
403009bf | 4434 | long r = 1, tmo; |
c41d1cf6 ML |
4435 | |
4436 | if (amdgpu_sriov_runtime(adev)) | |
b045d3af | 4437 | tmo = msecs_to_jiffies(8000); |
c41d1cf6 ML |
4438 | else |
4439 | tmo = msecs_to_jiffies(100); | |
4440 | ||
aac89168 | 4441 | dev_info(adev->dev, "recover vram bo from shadow start\n"); |
c41d1cf6 | 4442 | mutex_lock(&adev->shadow_list_lock); |
e18aaea7 ND |
4443 | list_for_each_entry(vmbo, &adev->shadow_list, shadow_list) { |
4444 | shadow = &vmbo->bo; | |
403009bf | 4445 | /* No need to recover an evicted BO */ |
d3116756 CK |
4446 | if (shadow->tbo.resource->mem_type != TTM_PL_TT || |
4447 | shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET || | |
4448 | shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM) | |
403009bf CK |
4449 | continue; |
4450 | ||
4451 | r = amdgpu_bo_restore_shadow(shadow, &next); | |
4452 | if (r) | |
4453 | break; | |
4454 | ||
c41d1cf6 | 4455 | if (fence) { |
1712fb1a | 4456 | tmo = dma_fence_wait_timeout(fence, false, tmo); |
403009bf CK |
4457 | dma_fence_put(fence); |
4458 | fence = next; | |
1712fb1a | 4459 | if (tmo == 0) { |
4460 | r = -ETIMEDOUT; | |
c41d1cf6 | 4461 | break; |
1712fb1a | 4462 | } else if (tmo < 0) { |
4463 | r = tmo; | |
4464 | break; | |
4465 | } | |
403009bf CK |
4466 | } else { |
4467 | fence = next; | |
c41d1cf6 | 4468 | } |
c41d1cf6 ML |
4469 | } |
4470 | mutex_unlock(&adev->shadow_list_lock); | |
4471 | ||
403009bf CK |
4472 | if (fence) |
4473 | tmo = dma_fence_wait_timeout(fence, false, tmo); | |
c41d1cf6 ML |
4474 | dma_fence_put(fence); |
4475 | ||
1712fb1a | 4476 | if (r < 0 || tmo <= 0) { |
aac89168 | 4477 | dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); |
403009bf CK |
4478 | return -EIO; |
4479 | } | |
c41d1cf6 | 4480 | |
aac89168 | 4481 | dev_info(adev->dev, "recover vram bo from shadow done\n"); |
403009bf | 4482 | return 0; |
c41d1cf6 ML |
4483 | } |
4484 | ||
a90ad3c2 | 4485 | |
e3ecdffa | 4486 | /** |
06ec9070 | 4487 | * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf |
5740682e | 4488 | * |
982a820b | 4489 | * @adev: amdgpu_device pointer |
87e3f136 | 4490 | * @from_hypervisor: request from hypervisor |
5740682e ML |
4491 | * |
4492 | * do VF FLR and reinitialize Asic | |
3f48c681 | 4493 | * return 0 means succeeded otherwise failed |
e3ecdffa AD |
4494 | */ |
4495 | static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, | |
4496 | bool from_hypervisor) | |
5740682e ML |
4497 | { |
4498 | int r; | |
a5f67c93 | 4499 | struct amdgpu_hive_info *hive = NULL; |
7258fa31 | 4500 | int retry_limit = 0; |
5740682e | 4501 | |
7258fa31 | 4502 | retry: |
c004d44e | 4503 | amdgpu_amdkfd_pre_reset(adev); |
428890a3 | 4504 | |
5740682e ML |
4505 | if (from_hypervisor) |
4506 | r = amdgpu_virt_request_full_gpu(adev, true); | |
4507 | else | |
4508 | r = amdgpu_virt_reset_gpu(adev); | |
4509 | if (r) | |
4510 | return r; | |
a90ad3c2 ML |
4511 | |
4512 | /* Resume IP prior to SMC */ | |
06ec9070 | 4513 | r = amdgpu_device_ip_reinit_early_sriov(adev); |
5740682e ML |
4514 | if (r) |
4515 | goto error; | |
a90ad3c2 | 4516 | |
c9ffa427 | 4517 | amdgpu_virt_init_data_exchange(adev); |
a90ad3c2 | 4518 | |
7a3e0bb2 RZ |
4519 | r = amdgpu_device_fw_loading(adev); |
4520 | if (r) | |
4521 | return r; | |
4522 | ||
a90ad3c2 | 4523 | /* now we are okay to resume SMC/CP/SDMA */ |
06ec9070 | 4524 | r = amdgpu_device_ip_reinit_late_sriov(adev); |
5740682e ML |
4525 | if (r) |
4526 | goto error; | |
a90ad3c2 | 4527 | |
a5f67c93 ZL |
4528 | hive = amdgpu_get_xgmi_hive(adev); |
4529 | /* Update PSP FW topology after reset */ | |
4530 | if (hive && adev->gmc.xgmi.num_physical_nodes > 1) | |
4531 | r = amdgpu_xgmi_update_topology(hive, adev); | |
4532 | ||
4533 | if (hive) | |
4534 | amdgpu_put_xgmi_hive(hive); | |
4535 | ||
4536 | if (!r) { | |
4537 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
4538 | r = amdgpu_ib_ring_tests(adev); | |
9c12f5cd | 4539 | |
c004d44e | 4540 | amdgpu_amdkfd_post_reset(adev); |
a5f67c93 | 4541 | } |
a90ad3c2 | 4542 | |
abc34253 | 4543 | error: |
c41d1cf6 | 4544 | if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { |
e3526257 | 4545 | amdgpu_inc_vram_lost(adev); |
c33adbc7 | 4546 | r = amdgpu_device_recover_vram(adev); |
a90ad3c2 | 4547 | } |
437f3e0b | 4548 | amdgpu_virt_release_full_gpu(adev, true); |
a90ad3c2 | 4549 | |
7258fa31 SK |
4550 | if (AMDGPU_RETRY_SRIOV_RESET(r)) { |
4551 | if (retry_limit < AMDGPU_MAX_RETRY_LIMIT) { | |
4552 | retry_limit++; | |
4553 | goto retry; | |
4554 | } else | |
4555 | DRM_ERROR("GPU reset retry is beyond the retry limit\n"); | |
4556 | } | |
4557 | ||
a90ad3c2 ML |
4558 | return r; |
4559 | } | |
4560 | ||
9a1cddd6 | 4561 | /** |
4562 | * amdgpu_device_has_job_running - check if there is any job in mirror list | |
4563 | * | |
982a820b | 4564 | * @adev: amdgpu_device pointer |
9a1cddd6 | 4565 | * |
4566 | * check if there is any job in mirror list | |
4567 | */ | |
4568 | bool amdgpu_device_has_job_running(struct amdgpu_device *adev) | |
4569 | { | |
4570 | int i; | |
4571 | struct drm_sched_job *job; | |
4572 | ||
4573 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4574 | struct amdgpu_ring *ring = adev->rings[i]; | |
4575 | ||
4576 | if (!ring || !ring->sched.thread) | |
4577 | continue; | |
4578 | ||
4579 | spin_lock(&ring->sched.job_list_lock); | |
6efa4b46 LT |
4580 | job = list_first_entry_or_null(&ring->sched.pending_list, |
4581 | struct drm_sched_job, list); | |
9a1cddd6 | 4582 | spin_unlock(&ring->sched.job_list_lock); |
4583 | if (job) | |
4584 | return true; | |
4585 | } | |
4586 | return false; | |
4587 | } | |
4588 | ||
12938fad CK |
4589 | /** |
4590 | * amdgpu_device_should_recover_gpu - check if we should try GPU recovery | |
4591 | * | |
982a820b | 4592 | * @adev: amdgpu_device pointer |
12938fad CK |
4593 | * |
4594 | * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover | |
4595 | * a hung GPU. | |
4596 | */ | |
4597 | bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) | |
4598 | { | |
12938fad | 4599 | |
3ba7b418 AG |
4600 | if (amdgpu_gpu_recovery == 0) |
4601 | goto disabled; | |
4602 | ||
1a11a65d YC |
4603 | /* Skip soft reset check in fatal error mode */ |
4604 | if (!amdgpu_ras_is_poison_mode_supported(adev)) | |
4605 | return true; | |
4606 | ||
3ba7b418 AG |
4607 | if (amdgpu_sriov_vf(adev)) |
4608 | return true; | |
4609 | ||
4610 | if (amdgpu_gpu_recovery == -1) { | |
4611 | switch (adev->asic_type) { | |
b3523c45 AD |
4612 | #ifdef CONFIG_DRM_AMDGPU_SI |
4613 | case CHIP_VERDE: | |
4614 | case CHIP_TAHITI: | |
4615 | case CHIP_PITCAIRN: | |
4616 | case CHIP_OLAND: | |
4617 | case CHIP_HAINAN: | |
4618 | #endif | |
4619 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
4620 | case CHIP_KAVERI: | |
4621 | case CHIP_KABINI: | |
4622 | case CHIP_MULLINS: | |
4623 | #endif | |
4624 | case CHIP_CARRIZO: | |
4625 | case CHIP_STONEY: | |
4626 | case CHIP_CYAN_SKILLFISH: | |
3ba7b418 | 4627 | goto disabled; |
b3523c45 AD |
4628 | default: |
4629 | break; | |
3ba7b418 | 4630 | } |
12938fad CK |
4631 | } |
4632 | ||
4633 | return true; | |
3ba7b418 AG |
4634 | |
4635 | disabled: | |
aac89168 | 4636 | dev_info(adev->dev, "GPU recovery disabled.\n"); |
3ba7b418 | 4637 | return false; |
12938fad CK |
4638 | } |
4639 | ||
5c03e584 FX |
4640 | int amdgpu_device_mode1_reset(struct amdgpu_device *adev) |
4641 | { | |
4642 | u32 i; | |
4643 | int ret = 0; | |
4644 | ||
4645 | amdgpu_atombios_scratch_regs_engine_hung(adev, true); | |
4646 | ||
4647 | dev_info(adev->dev, "GPU mode1 reset\n"); | |
4648 | ||
4649 | /* disable BM */ | |
4650 | pci_clear_master(adev->pdev); | |
4651 | ||
4652 | amdgpu_device_cache_pci_state(adev->pdev); | |
4653 | ||
4654 | if (amdgpu_dpm_is_mode1_reset_supported(adev)) { | |
4655 | dev_info(adev->dev, "GPU smu mode1 reset\n"); | |
4656 | ret = amdgpu_dpm_mode1_reset(adev); | |
4657 | } else { | |
4658 | dev_info(adev->dev, "GPU psp mode1 reset\n"); | |
4659 | ret = psp_gpu_reset(adev); | |
4660 | } | |
4661 | ||
4662 | if (ret) | |
4663 | dev_err(adev->dev, "GPU mode1 reset failed\n"); | |
4664 | ||
4665 | amdgpu_device_load_pci_state(adev->pdev); | |
4666 | ||
4667 | /* wait for asic to come out of reset */ | |
4668 | for (i = 0; i < adev->usec_timeout; i++) { | |
4669 | u32 memsize = adev->nbio.funcs->get_memsize(adev); | |
4670 | ||
4671 | if (memsize != 0xffffffff) | |
4672 | break; | |
4673 | udelay(1); | |
4674 | } | |
4675 | ||
4676 | amdgpu_atombios_scratch_regs_engine_hung(adev, false); | |
4677 | return ret; | |
4678 | } | |
5c6dd71e | 4679 | |
e3c1b071 | 4680 | int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, |
04442bf7 | 4681 | struct amdgpu_reset_context *reset_context) |
26bc5340 | 4682 | { |
5c1e6fa4 | 4683 | int i, r = 0; |
04442bf7 LL |
4684 | struct amdgpu_job *job = NULL; |
4685 | bool need_full_reset = | |
4686 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4687 | ||
4688 | if (reset_context->reset_req_dev == adev) | |
4689 | job = reset_context->job; | |
71182665 | 4690 | |
b602ca5f TZ |
4691 | if (amdgpu_sriov_vf(adev)) { |
4692 | /* stop the data exchange thread */ | |
4693 | amdgpu_virt_fini_data_exchange(adev); | |
4694 | } | |
4695 | ||
9e225fb9 AG |
4696 | amdgpu_fence_driver_isr_toggle(adev, true); |
4697 | ||
71182665 | 4698 | /* block all schedulers and reset given job's ring */ |
0875dc9e CZ |
4699 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4700 | struct amdgpu_ring *ring = adev->rings[i]; | |
4701 | ||
51687759 | 4702 | if (!ring || !ring->sched.thread) |
0875dc9e | 4703 | continue; |
5740682e | 4704 | |
c530b02f JZ |
4705 | /*clear job fence from fence drv to avoid force_completion |
4706 | *leave NULL and vm flush fence in fence drv */ | |
5c1e6fa4 | 4707 | amdgpu_fence_driver_clear_job_fences(ring); |
c530b02f | 4708 | |
2f9d4084 ML |
4709 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
4710 | amdgpu_fence_driver_force_completion(ring); | |
0875dc9e | 4711 | } |
d38ceaf9 | 4712 | |
9e225fb9 AG |
4713 | amdgpu_fence_driver_isr_toggle(adev, false); |
4714 | ||
ff99849b | 4715 | if (job && job->vm) |
222b5f04 AG |
4716 | drm_sched_increase_karma(&job->base); |
4717 | ||
04442bf7 | 4718 | r = amdgpu_reset_prepare_hwcontext(adev, reset_context); |
404b277b LL |
4719 | /* If reset handler not implemented, continue; otherwise return */ |
4720 | if (r == -ENOSYS) | |
4721 | r = 0; | |
4722 | else | |
04442bf7 LL |
4723 | return r; |
4724 | ||
1d721ed6 | 4725 | /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ |
26bc5340 AG |
4726 | if (!amdgpu_sriov_vf(adev)) { |
4727 | ||
4728 | if (!need_full_reset) | |
4729 | need_full_reset = amdgpu_device_ip_need_full_reset(adev); | |
4730 | ||
360cd081 LG |
4731 | if (!need_full_reset && amdgpu_gpu_recovery && |
4732 | amdgpu_device_ip_check_soft_reset(adev)) { | |
26bc5340 AG |
4733 | amdgpu_device_ip_pre_soft_reset(adev); |
4734 | r = amdgpu_device_ip_soft_reset(adev); | |
4735 | amdgpu_device_ip_post_soft_reset(adev); | |
4736 | if (r || amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4737 | dev_info(adev->dev, "soft reset failed, will fallback to full reset!\n"); |
26bc5340 AG |
4738 | need_full_reset = true; |
4739 | } | |
4740 | } | |
4741 | ||
4742 | if (need_full_reset) | |
4743 | r = amdgpu_device_ip_suspend(adev); | |
04442bf7 LL |
4744 | if (need_full_reset) |
4745 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4746 | else | |
4747 | clear_bit(AMDGPU_NEED_FULL_RESET, | |
4748 | &reset_context->flags); | |
26bc5340 AG |
4749 | } |
4750 | ||
4751 | return r; | |
4752 | } | |
4753 | ||
15fd09a0 SA |
4754 | static int amdgpu_reset_reg_dumps(struct amdgpu_device *adev) |
4755 | { | |
15fd09a0 SA |
4756 | int i; |
4757 | ||
38a15ad9 | 4758 | lockdep_assert_held(&adev->reset_domain->sem); |
15fd09a0 SA |
4759 | |
4760 | for (i = 0; i < adev->num_regs; i++) { | |
651d7ee6 SA |
4761 | adev->reset_dump_reg_value[i] = RREG32(adev->reset_dump_reg_list[i]); |
4762 | trace_amdgpu_reset_reg_dumps(adev->reset_dump_reg_list[i], | |
4763 | adev->reset_dump_reg_value[i]); | |
15fd09a0 SA |
4764 | } |
4765 | ||
4766 | return 0; | |
4767 | } | |
4768 | ||
3d8785f6 SA |
4769 | #ifdef CONFIG_DEV_COREDUMP |
4770 | static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset, | |
4771 | size_t count, void *data, size_t datalen) | |
4772 | { | |
4773 | struct drm_printer p; | |
4774 | struct amdgpu_device *adev = data; | |
4775 | struct drm_print_iterator iter; | |
4776 | int i; | |
4777 | ||
4778 | iter.data = buffer; | |
4779 | iter.offset = 0; | |
4780 | iter.start = offset; | |
4781 | iter.remain = count; | |
4782 | ||
4783 | p = drm_coredump_printer(&iter); | |
4784 | ||
4785 | drm_printf(&p, "**** AMDGPU Device Coredump ****\n"); | |
4786 | drm_printf(&p, "kernel: " UTS_RELEASE "\n"); | |
4787 | drm_printf(&p, "module: " KBUILD_MODNAME "\n"); | |
4788 | drm_printf(&p, "time: %lld.%09ld\n", adev->reset_time.tv_sec, adev->reset_time.tv_nsec); | |
4789 | if (adev->reset_task_info.pid) | |
4790 | drm_printf(&p, "process_name: %s PID: %d\n", | |
4791 | adev->reset_task_info.process_name, | |
4792 | adev->reset_task_info.pid); | |
4793 | ||
4794 | if (adev->reset_vram_lost) | |
4795 | drm_printf(&p, "VRAM is lost due to GPU reset!\n"); | |
4796 | if (adev->num_regs) { | |
4797 | drm_printf(&p, "AMDGPU register dumps:\nOffset: Value:\n"); | |
4798 | ||
4799 | for (i = 0; i < adev->num_regs; i++) | |
4800 | drm_printf(&p, "0x%08x: 0x%08x\n", | |
4801 | adev->reset_dump_reg_list[i], | |
4802 | adev->reset_dump_reg_value[i]); | |
4803 | } | |
4804 | ||
4805 | return count - iter.remain; | |
4806 | } | |
4807 | ||
4808 | static void amdgpu_devcoredump_free(void *data) | |
4809 | { | |
4810 | } | |
4811 | ||
4812 | static void amdgpu_reset_capture_coredumpm(struct amdgpu_device *adev) | |
4813 | { | |
4814 | struct drm_device *dev = adev_to_drm(adev); | |
4815 | ||
4816 | ktime_get_ts64(&adev->reset_time); | |
4817 | dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_KERNEL, | |
4818 | amdgpu_devcoredump_read, amdgpu_devcoredump_free); | |
4819 | } | |
4820 | #endif | |
4821 | ||
04442bf7 LL |
4822 | int amdgpu_do_asic_reset(struct list_head *device_list_handle, |
4823 | struct amdgpu_reset_context *reset_context) | |
26bc5340 AG |
4824 | { |
4825 | struct amdgpu_device *tmp_adev = NULL; | |
04442bf7 | 4826 | bool need_full_reset, skip_hw_reset, vram_lost = false; |
26bc5340 | 4827 | int r = 0; |
f5c7e779 | 4828 | bool gpu_reset_for_dev_remove = 0; |
26bc5340 | 4829 | |
04442bf7 LL |
4830 | /* Try reset handler method first */ |
4831 | tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, | |
4832 | reset_list); | |
15fd09a0 | 4833 | amdgpu_reset_reg_dumps(tmp_adev); |
0a83bb35 LL |
4834 | |
4835 | reset_context->reset_device_list = device_list_handle; | |
04442bf7 | 4836 | r = amdgpu_reset_perform_reset(tmp_adev, reset_context); |
404b277b LL |
4837 | /* If reset handler not implemented, continue; otherwise return */ |
4838 | if (r == -ENOSYS) | |
4839 | r = 0; | |
4840 | else | |
04442bf7 LL |
4841 | return r; |
4842 | ||
4843 | /* Reset handler not implemented, use the default method */ | |
4844 | need_full_reset = | |
4845 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4846 | skip_hw_reset = test_bit(AMDGPU_SKIP_HW_RESET, &reset_context->flags); | |
4847 | ||
f5c7e779 YC |
4848 | gpu_reset_for_dev_remove = |
4849 | test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) && | |
4850 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4851 | ||
26bc5340 | 4852 | /* |
655ce9cb | 4853 | * ASIC reset has to be done on all XGMI hive nodes ASAP |
26bc5340 AG |
4854 | * to allow proper links negotiation in FW (within 1 sec) |
4855 | */ | |
7ac71382 | 4856 | if (!skip_hw_reset && need_full_reset) { |
655ce9cb | 4857 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
041a62bc | 4858 | /* For XGMI run all resets in parallel to speed up the process */ |
d4535e2c | 4859 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
e3c1b071 | 4860 | tmp_adev->gmc.xgmi.pending_reset = false; |
c96cf282 | 4861 | if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) |
d4535e2c AG |
4862 | r = -EALREADY; |
4863 | } else | |
4864 | r = amdgpu_asic_reset(tmp_adev); | |
d4535e2c | 4865 | |
041a62bc | 4866 | if (r) { |
aac89168 | 4867 | dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 4868 | r, adev_to_drm(tmp_adev)->unique); |
041a62bc | 4869 | break; |
ce316fa5 LM |
4870 | } |
4871 | } | |
4872 | ||
041a62bc AG |
4873 | /* For XGMI wait for all resets to complete before proceed */ |
4874 | if (!r) { | |
655ce9cb | 4875 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
ce316fa5 LM |
4876 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
4877 | flush_work(&tmp_adev->xgmi_reset_work); | |
4878 | r = tmp_adev->asic_reset_res; | |
4879 | if (r) | |
4880 | break; | |
ce316fa5 LM |
4881 | } |
4882 | } | |
4883 | } | |
ce316fa5 | 4884 | } |
26bc5340 | 4885 | |
43c4d576 | 4886 | if (!r && amdgpu_ras_intr_triggered()) { |
655ce9cb | 4887 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
5e67bba3 | 4888 | if (tmp_adev->mmhub.ras && tmp_adev->mmhub.ras->ras_block.hw_ops && |
4889 | tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count) | |
4890 | tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(tmp_adev); | |
43c4d576 JC |
4891 | } |
4892 | ||
00eaa571 | 4893 | amdgpu_ras_intr_cleared(); |
43c4d576 | 4894 | } |
00eaa571 | 4895 | |
f5c7e779 YC |
4896 | /* Since the mode1 reset affects base ip blocks, the |
4897 | * phase1 ip blocks need to be resumed. Otherwise there | |
4898 | * will be a BIOS signature error and the psp bootloader | |
4899 | * can't load kdb on the next amdgpu install. | |
4900 | */ | |
4901 | if (gpu_reset_for_dev_remove) { | |
4902 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) | |
4903 | amdgpu_device_ip_resume_phase1(tmp_adev); | |
4904 | ||
4905 | goto end; | |
4906 | } | |
4907 | ||
655ce9cb | 4908 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
26bc5340 AG |
4909 | if (need_full_reset) { |
4910 | /* post card */ | |
e3c1b071 | 4911 | r = amdgpu_device_asic_init(tmp_adev); |
4912 | if (r) { | |
aac89168 | 4913 | dev_warn(tmp_adev->dev, "asic atom init failed!"); |
e3c1b071 | 4914 | } else { |
26bc5340 | 4915 | dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); |
9cec53c1 JZ |
4916 | r = amdgpu_amdkfd_resume_iommu(tmp_adev); |
4917 | if (r) | |
4918 | goto out; | |
4919 | ||
26bc5340 AG |
4920 | r = amdgpu_device_ip_resume_phase1(tmp_adev); |
4921 | if (r) | |
4922 | goto out; | |
4923 | ||
4924 | vram_lost = amdgpu_device_check_vram_lost(tmp_adev); | |
3d8785f6 SA |
4925 | #ifdef CONFIG_DEV_COREDUMP |
4926 | tmp_adev->reset_vram_lost = vram_lost; | |
4927 | memset(&tmp_adev->reset_task_info, 0, | |
4928 | sizeof(tmp_adev->reset_task_info)); | |
4929 | if (reset_context->job && reset_context->job->vm) | |
4930 | tmp_adev->reset_task_info = | |
4931 | reset_context->job->vm->task_info; | |
4932 | amdgpu_reset_capture_coredumpm(tmp_adev); | |
4933 | #endif | |
26bc5340 | 4934 | if (vram_lost) { |
77e7f829 | 4935 | DRM_INFO("VRAM is lost due to GPU reset!\n"); |
e3526257 | 4936 | amdgpu_inc_vram_lost(tmp_adev); |
26bc5340 AG |
4937 | } |
4938 | ||
26bc5340 AG |
4939 | r = amdgpu_device_fw_loading(tmp_adev); |
4940 | if (r) | |
4941 | return r; | |
4942 | ||
4943 | r = amdgpu_device_ip_resume_phase2(tmp_adev); | |
4944 | if (r) | |
4945 | goto out; | |
4946 | ||
4947 | if (vram_lost) | |
4948 | amdgpu_device_fill_reset_magic(tmp_adev); | |
4949 | ||
fdafb359 EQ |
4950 | /* |
4951 | * Add this ASIC as tracked as reset was already | |
4952 | * complete successfully. | |
4953 | */ | |
4954 | amdgpu_register_gpu_instance(tmp_adev); | |
4955 | ||
04442bf7 LL |
4956 | if (!reset_context->hive && |
4957 | tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
e3c1b071 | 4958 | amdgpu_xgmi_add_device(tmp_adev); |
4959 | ||
7c04ca50 | 4960 | r = amdgpu_device_ip_late_init(tmp_adev); |
4961 | if (r) | |
4962 | goto out; | |
4963 | ||
087451f3 | 4964 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, false); |
565d1941 | 4965 | |
e8fbaf03 GC |
4966 | /* |
4967 | * The GPU enters bad state once faulty pages | |
4968 | * by ECC has reached the threshold, and ras | |
4969 | * recovery is scheduled next. So add one check | |
4970 | * here to break recovery if it indeed exceeds | |
4971 | * bad page threshold, and remind user to | |
4972 | * retire this GPU or setting one bigger | |
4973 | * bad_page_threshold value to fix this once | |
4974 | * probing driver again. | |
4975 | */ | |
11003c68 | 4976 | if (!amdgpu_ras_eeprom_check_err_threshold(tmp_adev)) { |
e8fbaf03 GC |
4977 | /* must succeed. */ |
4978 | amdgpu_ras_resume(tmp_adev); | |
4979 | } else { | |
4980 | r = -EINVAL; | |
4981 | goto out; | |
4982 | } | |
e79a04d5 | 4983 | |
26bc5340 | 4984 | /* Update PSP FW topology after reset */ |
04442bf7 LL |
4985 | if (reset_context->hive && |
4986 | tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
4987 | r = amdgpu_xgmi_update_topology( | |
4988 | reset_context->hive, tmp_adev); | |
26bc5340 AG |
4989 | } |
4990 | } | |
4991 | ||
26bc5340 AG |
4992 | out: |
4993 | if (!r) { | |
4994 | amdgpu_irq_gpu_reset_resume_helper(tmp_adev); | |
4995 | r = amdgpu_ib_ring_tests(tmp_adev); | |
4996 | if (r) { | |
4997 | dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); | |
26bc5340 AG |
4998 | need_full_reset = true; |
4999 | r = -EAGAIN; | |
5000 | goto end; | |
5001 | } | |
5002 | } | |
5003 | ||
5004 | if (!r) | |
5005 | r = amdgpu_device_recover_vram(tmp_adev); | |
5006 | else | |
5007 | tmp_adev->asic_reset_res = r; | |
5008 | } | |
5009 | ||
5010 | end: | |
04442bf7 LL |
5011 | if (need_full_reset) |
5012 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
5013 | else | |
5014 | clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
26bc5340 AG |
5015 | return r; |
5016 | } | |
5017 | ||
e923be99 | 5018 | static void amdgpu_device_set_mp1_state(struct amdgpu_device *adev) |
26bc5340 | 5019 | { |
5740682e | 5020 | |
a3a09142 AD |
5021 | switch (amdgpu_asic_reset_method(adev)) { |
5022 | case AMD_RESET_METHOD_MODE1: | |
5023 | adev->mp1_state = PP_MP1_STATE_SHUTDOWN; | |
5024 | break; | |
5025 | case AMD_RESET_METHOD_MODE2: | |
5026 | adev->mp1_state = PP_MP1_STATE_RESET; | |
5027 | break; | |
5028 | default: | |
5029 | adev->mp1_state = PP_MP1_STATE_NONE; | |
5030 | break; | |
5031 | } | |
26bc5340 | 5032 | } |
d38ceaf9 | 5033 | |
e923be99 | 5034 | static void amdgpu_device_unset_mp1_state(struct amdgpu_device *adev) |
26bc5340 | 5035 | { |
89041940 | 5036 | amdgpu_vf_error_trans_all(adev); |
a3a09142 | 5037 | adev->mp1_state = PP_MP1_STATE_NONE; |
91fb309d HC |
5038 | } |
5039 | ||
3f12acc8 EQ |
5040 | static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev) |
5041 | { | |
5042 | struct pci_dev *p = NULL; | |
5043 | ||
5044 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
5045 | adev->pdev->bus->number, 1); | |
5046 | if (p) { | |
5047 | pm_runtime_enable(&(p->dev)); | |
5048 | pm_runtime_resume(&(p->dev)); | |
5049 | } | |
b85e285e YY |
5050 | |
5051 | pci_dev_put(p); | |
3f12acc8 EQ |
5052 | } |
5053 | ||
5054 | static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev) | |
5055 | { | |
5056 | enum amd_reset_method reset_method; | |
5057 | struct pci_dev *p = NULL; | |
5058 | u64 expires; | |
5059 | ||
5060 | /* | |
5061 | * For now, only BACO and mode1 reset are confirmed | |
5062 | * to suffer the audio issue without proper suspended. | |
5063 | */ | |
5064 | reset_method = amdgpu_asic_reset_method(adev); | |
5065 | if ((reset_method != AMD_RESET_METHOD_BACO) && | |
5066 | (reset_method != AMD_RESET_METHOD_MODE1)) | |
5067 | return -EINVAL; | |
5068 | ||
5069 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
5070 | adev->pdev->bus->number, 1); | |
5071 | if (!p) | |
5072 | return -ENODEV; | |
5073 | ||
5074 | expires = pm_runtime_autosuspend_expiration(&(p->dev)); | |
5075 | if (!expires) | |
5076 | /* | |
5077 | * If we cannot get the audio device autosuspend delay, | |
5078 | * a fixed 4S interval will be used. Considering 3S is | |
5079 | * the audio controller default autosuspend delay setting. | |
5080 | * 4S used here is guaranteed to cover that. | |
5081 | */ | |
54b7feb9 | 5082 | expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC * 4ULL; |
3f12acc8 EQ |
5083 | |
5084 | while (!pm_runtime_status_suspended(&(p->dev))) { | |
5085 | if (!pm_runtime_suspend(&(p->dev))) | |
5086 | break; | |
5087 | ||
5088 | if (expires < ktime_get_mono_fast_ns()) { | |
5089 | dev_warn(adev->dev, "failed to suspend display audio\n"); | |
b85e285e | 5090 | pci_dev_put(p); |
3f12acc8 EQ |
5091 | /* TODO: abort the succeeding gpu reset? */ |
5092 | return -ETIMEDOUT; | |
5093 | } | |
5094 | } | |
5095 | ||
5096 | pm_runtime_disable(&(p->dev)); | |
5097 | ||
b85e285e | 5098 | pci_dev_put(p); |
3f12acc8 EQ |
5099 | return 0; |
5100 | } | |
5101 | ||
d193b12b | 5102 | static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev) |
247c7b0d AG |
5103 | { |
5104 | struct amdgpu_ras *con = amdgpu_ras_get_context(adev); | |
5105 | ||
5106 | #if defined(CONFIG_DEBUG_FS) | |
5107 | if (!amdgpu_sriov_vf(adev)) | |
5108 | cancel_work(&adev->reset_work); | |
5109 | #endif | |
5110 | ||
5111 | if (adev->kfd.dev) | |
5112 | cancel_work(&adev->kfd.reset_work); | |
5113 | ||
5114 | if (amdgpu_sriov_vf(adev)) | |
5115 | cancel_work(&adev->virt.flr_work); | |
5116 | ||
5117 | if (con && adev->ras_enabled) | |
5118 | cancel_work(&con->recovery_work); | |
5119 | ||
5120 | } | |
5121 | ||
26bc5340 | 5122 | /** |
6e9c65f7 | 5123 | * amdgpu_device_gpu_recover - reset the asic and recover scheduler |
26bc5340 | 5124 | * |
982a820b | 5125 | * @adev: amdgpu_device pointer |
26bc5340 AG |
5126 | * @job: which job trigger hang |
5127 | * | |
5128 | * Attempt to reset the GPU if it has hung (all asics). | |
5129 | * Attempt to do soft-reset or full-reset and reinitialize Asic | |
5130 | * Returns 0 for success or an error on failure. | |
5131 | */ | |
5132 | ||
cf727044 | 5133 | int amdgpu_device_gpu_recover(struct amdgpu_device *adev, |
f1549c09 LG |
5134 | struct amdgpu_job *job, |
5135 | struct amdgpu_reset_context *reset_context) | |
26bc5340 | 5136 | { |
1d721ed6 | 5137 | struct list_head device_list, *device_list_handle = NULL; |
7dd8c205 | 5138 | bool job_signaled = false; |
26bc5340 | 5139 | struct amdgpu_hive_info *hive = NULL; |
26bc5340 | 5140 | struct amdgpu_device *tmp_adev = NULL; |
1d721ed6 | 5141 | int i, r = 0; |
bb5c7235 | 5142 | bool need_emergency_restart = false; |
3f12acc8 | 5143 | bool audio_suspended = false; |
f5c7e779 YC |
5144 | bool gpu_reset_for_dev_remove = false; |
5145 | ||
5146 | gpu_reset_for_dev_remove = | |
5147 | test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) && | |
5148 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
26bc5340 | 5149 | |
6e3cd2a9 | 5150 | /* |
bb5c7235 WS |
5151 | * Special case: RAS triggered and full reset isn't supported |
5152 | */ | |
5153 | need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); | |
5154 | ||
d5ea093e AG |
5155 | /* |
5156 | * Flush RAM to disk so that after reboot | |
5157 | * the user can read log and see why the system rebooted. | |
5158 | */ | |
bb5c7235 | 5159 | if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) { |
d5ea093e AG |
5160 | DRM_WARN("Emergency reboot."); |
5161 | ||
5162 | ksys_sync_helper(); | |
5163 | emergency_restart(); | |
5164 | } | |
5165 | ||
b823821f | 5166 | dev_info(adev->dev, "GPU %s begin!\n", |
bb5c7235 | 5167 | need_emergency_restart ? "jobs stop":"reset"); |
26bc5340 | 5168 | |
175ac6ec ZL |
5169 | if (!amdgpu_sriov_vf(adev)) |
5170 | hive = amdgpu_get_xgmi_hive(adev); | |
681260df | 5171 | if (hive) |
53b3f8f4 | 5172 | mutex_lock(&hive->hive_lock); |
26bc5340 | 5173 | |
f1549c09 LG |
5174 | reset_context->job = job; |
5175 | reset_context->hive = hive; | |
9e94d22c EQ |
5176 | /* |
5177 | * Build list of devices to reset. | |
5178 | * In case we are in XGMI hive mode, resort the device list | |
5179 | * to put adev in the 1st position. | |
5180 | */ | |
5181 | INIT_LIST_HEAD(&device_list); | |
175ac6ec | 5182 | if (!amdgpu_sriov_vf(adev) && (adev->gmc.xgmi.num_physical_nodes > 1)) { |
83d29a5f | 5183 | list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { |
655ce9cb | 5184 | list_add_tail(&tmp_adev->reset_list, &device_list); |
83d29a5f YC |
5185 | if (gpu_reset_for_dev_remove && adev->shutdown) |
5186 | tmp_adev->shutdown = true; | |
5187 | } | |
655ce9cb | 5188 | if (!list_is_first(&adev->reset_list, &device_list)) |
5189 | list_rotate_to_front(&adev->reset_list, &device_list); | |
5190 | device_list_handle = &device_list; | |
26bc5340 | 5191 | } else { |
655ce9cb | 5192 | list_add_tail(&adev->reset_list, &device_list); |
26bc5340 AG |
5193 | device_list_handle = &device_list; |
5194 | } | |
5195 | ||
e923be99 AG |
5196 | /* We need to lock reset domain only once both for XGMI and single device */ |
5197 | tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, | |
5198 | reset_list); | |
3675c2f2 | 5199 | amdgpu_device_lock_reset_domain(tmp_adev->reset_domain); |
e923be99 | 5200 | |
1d721ed6 | 5201 | /* block all schedulers and reset given job's ring */ |
655ce9cb | 5202 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
f287a3c5 | 5203 | |
e923be99 | 5204 | amdgpu_device_set_mp1_state(tmp_adev); |
f287a3c5 | 5205 | |
3f12acc8 EQ |
5206 | /* |
5207 | * Try to put the audio codec into suspend state | |
5208 | * before gpu reset started. | |
5209 | * | |
5210 | * Due to the power domain of the graphics device | |
5211 | * is shared with AZ power domain. Without this, | |
5212 | * we may change the audio hardware from behind | |
5213 | * the audio driver's back. That will trigger | |
5214 | * some audio codec errors. | |
5215 | */ | |
5216 | if (!amdgpu_device_suspend_display_audio(tmp_adev)) | |
5217 | audio_suspended = true; | |
5218 | ||
9e94d22c EQ |
5219 | amdgpu_ras_set_error_query_ready(tmp_adev, false); |
5220 | ||
52fb44cf EQ |
5221 | cancel_delayed_work_sync(&tmp_adev->delayed_init_work); |
5222 | ||
c004d44e | 5223 | if (!amdgpu_sriov_vf(tmp_adev)) |
428890a3 | 5224 | amdgpu_amdkfd_pre_reset(tmp_adev); |
9e94d22c | 5225 | |
12ffa55d AG |
5226 | /* |
5227 | * Mark these ASICs to be reseted as untracked first | |
5228 | * And add them back after reset completed | |
5229 | */ | |
5230 | amdgpu_unregister_gpu_instance(tmp_adev); | |
5231 | ||
163d4cd2 | 5232 | drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, true); |
565d1941 | 5233 | |
f1c1314b | 5234 | /* disable ras on ALL IPs */ |
bb5c7235 | 5235 | if (!need_emergency_restart && |
b823821f | 5236 | amdgpu_device_ip_need_full_reset(tmp_adev)) |
f1c1314b | 5237 | amdgpu_ras_suspend(tmp_adev); |
5238 | ||
1d721ed6 AG |
5239 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
5240 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
5241 | ||
5242 | if (!ring || !ring->sched.thread) | |
5243 | continue; | |
5244 | ||
0b2d2c2e | 5245 | drm_sched_stop(&ring->sched, job ? &job->base : NULL); |
7c6e68c7 | 5246 | |
bb5c7235 | 5247 | if (need_emergency_restart) |
7c6e68c7 | 5248 | amdgpu_job_stop_all_jobs_on_sched(&ring->sched); |
1d721ed6 | 5249 | } |
8f8c80f4 | 5250 | atomic_inc(&tmp_adev->gpu_reset_counter); |
1d721ed6 AG |
5251 | } |
5252 | ||
bb5c7235 | 5253 | if (need_emergency_restart) |
7c6e68c7 AG |
5254 | goto skip_sched_resume; |
5255 | ||
1d721ed6 AG |
5256 | /* |
5257 | * Must check guilty signal here since after this point all old | |
5258 | * HW fences are force signaled. | |
5259 | * | |
5260 | * job->base holds a reference to parent fence | |
5261 | */ | |
f6a3f660 | 5262 | if (job && dma_fence_is_signaled(&job->hw_fence)) { |
1d721ed6 | 5263 | job_signaled = true; |
1d721ed6 AG |
5264 | dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); |
5265 | goto skip_hw_reset; | |
5266 | } | |
5267 | ||
26bc5340 | 5268 | retry: /* Rest of adevs pre asic reset from XGMI hive. */ |
655ce9cb | 5269 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
f5c7e779 YC |
5270 | if (gpu_reset_for_dev_remove) { |
5271 | /* Workaroud for ASICs need to disable SMC first */ | |
5272 | amdgpu_device_smu_fini_early(tmp_adev); | |
5273 | } | |
f1549c09 | 5274 | r = amdgpu_device_pre_asic_reset(tmp_adev, reset_context); |
26bc5340 AG |
5275 | /*TODO Should we stop ?*/ |
5276 | if (r) { | |
aac89168 | 5277 | dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ", |
4a580877 | 5278 | r, adev_to_drm(tmp_adev)->unique); |
26bc5340 AG |
5279 | tmp_adev->asic_reset_res = r; |
5280 | } | |
247c7b0d AG |
5281 | |
5282 | /* | |
5283 | * Drop all pending non scheduler resets. Scheduler resets | |
5284 | * were already dropped during drm_sched_stop | |
5285 | */ | |
d193b12b | 5286 | amdgpu_device_stop_pending_resets(tmp_adev); |
26bc5340 AG |
5287 | } |
5288 | ||
5289 | /* Actual ASIC resets if needed.*/ | |
4f30d920 | 5290 | /* Host driver will handle XGMI hive reset for SRIOV */ |
26bc5340 AG |
5291 | if (amdgpu_sriov_vf(adev)) { |
5292 | r = amdgpu_device_reset_sriov(adev, job ? false : true); | |
5293 | if (r) | |
5294 | adev->asic_reset_res = r; | |
950d6425 SY |
5295 | |
5296 | /* Aldebaran supports ras in SRIOV, so need resume ras during reset */ | |
5297 | if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) | |
5298 | amdgpu_ras_resume(adev); | |
26bc5340 | 5299 | } else { |
f1549c09 | 5300 | r = amdgpu_do_asic_reset(device_list_handle, reset_context); |
b98a1648 | 5301 | if (r && r == -EAGAIN) |
26bc5340 | 5302 | goto retry; |
f5c7e779 YC |
5303 | |
5304 | if (!r && gpu_reset_for_dev_remove) | |
5305 | goto recover_end; | |
26bc5340 AG |
5306 | } |
5307 | ||
1d721ed6 AG |
5308 | skip_hw_reset: |
5309 | ||
26bc5340 | 5310 | /* Post ASIC reset for all devs .*/ |
655ce9cb | 5311 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
7c6e68c7 | 5312 | |
1d721ed6 AG |
5313 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
5314 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
5315 | ||
5316 | if (!ring || !ring->sched.thread) | |
5317 | continue; | |
5318 | ||
6868a2c4 | 5319 | drm_sched_start(&ring->sched, true); |
1d721ed6 AG |
5320 | } |
5321 | ||
693073a0 | 5322 | if (adev->enable_mes && adev->ip_versions[GC_HWIP][0] != IP_VERSION(11, 0, 3)) |
ed67f729 JX |
5323 | amdgpu_mes_self_test(tmp_adev); |
5324 | ||
1053b9c9 | 5325 | if (!drm_drv_uses_atomic_modeset(adev_to_drm(tmp_adev)) && !job_signaled) { |
4a580877 | 5326 | drm_helper_resume_force_mode(adev_to_drm(tmp_adev)); |
1d721ed6 AG |
5327 | } |
5328 | ||
7258fa31 SK |
5329 | if (tmp_adev->asic_reset_res) |
5330 | r = tmp_adev->asic_reset_res; | |
5331 | ||
1d721ed6 | 5332 | tmp_adev->asic_reset_res = 0; |
26bc5340 AG |
5333 | |
5334 | if (r) { | |
5335 | /* bad news, how to tell it to userspace ? */ | |
12ffa55d | 5336 | dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 AG |
5337 | amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
5338 | } else { | |
12ffa55d | 5339 | dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
3fa8f89d S |
5340 | if (amdgpu_acpi_smart_shift_update(adev_to_drm(tmp_adev), AMDGPU_SS_DEV_D0)) |
5341 | DRM_WARN("smart shift update failed\n"); | |
26bc5340 | 5342 | } |
7c6e68c7 | 5343 | } |
26bc5340 | 5344 | |
7c6e68c7 | 5345 | skip_sched_resume: |
655ce9cb | 5346 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
428890a3 | 5347 | /* unlock kfd: SRIOV would do it separately */ |
c004d44e | 5348 | if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)) |
428890a3 | 5349 | amdgpu_amdkfd_post_reset(tmp_adev); |
8e2712e7 | 5350 | |
5351 | /* kfd_post_reset will do nothing if kfd device is not initialized, | |
5352 | * need to bring up kfd here if it's not be initialized before | |
5353 | */ | |
5354 | if (!adev->kfd.init_complete) | |
5355 | amdgpu_amdkfd_device_init(adev); | |
5356 | ||
3f12acc8 EQ |
5357 | if (audio_suspended) |
5358 | amdgpu_device_resume_display_audio(tmp_adev); | |
e923be99 AG |
5359 | |
5360 | amdgpu_device_unset_mp1_state(tmp_adev); | |
d293470e YC |
5361 | |
5362 | amdgpu_ras_set_error_query_ready(tmp_adev, true); | |
26bc5340 AG |
5363 | } |
5364 | ||
f5c7e779 | 5365 | recover_end: |
e923be99 AG |
5366 | tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, |
5367 | reset_list); | |
5368 | amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain); | |
5369 | ||
9e94d22c | 5370 | if (hive) { |
9e94d22c | 5371 | mutex_unlock(&hive->hive_lock); |
d95e8e97 | 5372 | amdgpu_put_xgmi_hive(hive); |
9e94d22c | 5373 | } |
26bc5340 | 5374 | |
f287a3c5 | 5375 | if (r) |
26bc5340 | 5376 | dev_info(adev->dev, "GPU reset end with ret = %d\n", r); |
ab9a0b1f AG |
5377 | |
5378 | atomic_set(&adev->reset_domain->reset_res, r); | |
d38ceaf9 AD |
5379 | return r; |
5380 | } | |
5381 | ||
e3ecdffa AD |
5382 | /** |
5383 | * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot | |
5384 | * | |
5385 | * @adev: amdgpu_device pointer | |
5386 | * | |
5387 | * Fetchs and stores in the driver the PCIE capabilities (gen speed | |
5388 | * and lanes) of the slot the device is in. Handles APUs and | |
5389 | * virtualized environments where PCIE config space may not be available. | |
5390 | */ | |
5494d864 | 5391 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) |
d0dd7f0c | 5392 | { |
5d9a6330 | 5393 | struct pci_dev *pdev; |
c5313457 HK |
5394 | enum pci_bus_speed speed_cap, platform_speed_cap; |
5395 | enum pcie_link_width platform_link_width; | |
d0dd7f0c | 5396 | |
cd474ba0 AD |
5397 | if (amdgpu_pcie_gen_cap) |
5398 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 5399 | |
cd474ba0 AD |
5400 | if (amdgpu_pcie_lane_cap) |
5401 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 5402 | |
cd474ba0 AD |
5403 | /* covers APUs as well */ |
5404 | if (pci_is_root_bus(adev->pdev->bus)) { | |
5405 | if (adev->pm.pcie_gen_mask == 0) | |
5406 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
5407 | if (adev->pm.pcie_mlw_mask == 0) | |
5408 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 5409 | return; |
cd474ba0 | 5410 | } |
d0dd7f0c | 5411 | |
c5313457 HK |
5412 | if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) |
5413 | return; | |
5414 | ||
dbaa922b AD |
5415 | pcie_bandwidth_available(adev->pdev, NULL, |
5416 | &platform_speed_cap, &platform_link_width); | |
c5313457 | 5417 | |
cd474ba0 | 5418 | if (adev->pm.pcie_gen_mask == 0) { |
5d9a6330 AD |
5419 | /* asic caps */ |
5420 | pdev = adev->pdev; | |
5421 | speed_cap = pcie_get_speed_cap(pdev); | |
5422 | if (speed_cap == PCI_SPEED_UNKNOWN) { | |
5423 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
cd474ba0 AD |
5424 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | |
5425 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
cd474ba0 | 5426 | } else { |
2b3a1f51 FX |
5427 | if (speed_cap == PCIE_SPEED_32_0GT) |
5428 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5429 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5430 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5431 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4 | | |
5432 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN5); | |
5433 | else if (speed_cap == PCIE_SPEED_16_0GT) | |
5d9a6330 AD |
5434 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5435 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5436 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5437 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
5438 | else if (speed_cap == PCIE_SPEED_8_0GT) | |
5439 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5440 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5441 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
5442 | else if (speed_cap == PCIE_SPEED_5_0GT) | |
5443 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5444 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5445 | else | |
5446 | adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
5447 | } | |
5448 | /* platform caps */ | |
c5313457 | 5449 | if (platform_speed_cap == PCI_SPEED_UNKNOWN) { |
5d9a6330 AD |
5450 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5451 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5452 | } else { | |
2b3a1f51 FX |
5453 | if (platform_speed_cap == PCIE_SPEED_32_0GT) |
5454 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5455 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5456 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5457 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4 | | |
5458 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5); | |
5459 | else if (platform_speed_cap == PCIE_SPEED_16_0GT) | |
5d9a6330 AD |
5460 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5461 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5462 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5463 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
c5313457 | 5464 | else if (platform_speed_cap == PCIE_SPEED_8_0GT) |
5d9a6330 AD |
5465 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5466 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5467 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
c5313457 | 5468 | else if (platform_speed_cap == PCIE_SPEED_5_0GT) |
5d9a6330 AD |
5469 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5470 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5471 | else | |
5472 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
5473 | ||
cd474ba0 AD |
5474 | } |
5475 | } | |
5476 | if (adev->pm.pcie_mlw_mask == 0) { | |
c5313457 | 5477 | if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { |
5d9a6330 AD |
5478 | adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; |
5479 | } else { | |
c5313457 | 5480 | switch (platform_link_width) { |
5d9a6330 | 5481 | case PCIE_LNK_X32: |
cd474ba0 AD |
5482 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | |
5483 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
5484 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
5485 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5486 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5487 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5488 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5489 | break; | |
5d9a6330 | 5490 | case PCIE_LNK_X16: |
cd474ba0 AD |
5491 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | |
5492 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
5493 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5494 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5495 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5496 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5497 | break; | |
5d9a6330 | 5498 | case PCIE_LNK_X12: |
cd474ba0 AD |
5499 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | |
5500 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5501 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5502 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5503 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5504 | break; | |
5d9a6330 | 5505 | case PCIE_LNK_X8: |
cd474ba0 AD |
5506 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | |
5507 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5508 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5509 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5510 | break; | |
5d9a6330 | 5511 | case PCIE_LNK_X4: |
cd474ba0 AD |
5512 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | |
5513 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5514 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5515 | break; | |
5d9a6330 | 5516 | case PCIE_LNK_X2: |
cd474ba0 AD |
5517 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | |
5518 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5519 | break; | |
5d9a6330 | 5520 | case PCIE_LNK_X1: |
cd474ba0 AD |
5521 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; |
5522 | break; | |
5523 | default: | |
5524 | break; | |
5525 | } | |
d0dd7f0c AD |
5526 | } |
5527 | } | |
5528 | } | |
d38ceaf9 | 5529 | |
08a2fd23 RE |
5530 | /** |
5531 | * amdgpu_device_is_peer_accessible - Check peer access through PCIe BAR | |
5532 | * | |
5533 | * @adev: amdgpu_device pointer | |
5534 | * @peer_adev: amdgpu_device pointer for peer device trying to access @adev | |
5535 | * | |
5536 | * Return true if @peer_adev can access (DMA) @adev through the PCIe | |
5537 | * BAR, i.e. @adev is "large BAR" and the BAR matches the DMA mask of | |
5538 | * @peer_adev. | |
5539 | */ | |
5540 | bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev, | |
5541 | struct amdgpu_device *peer_adev) | |
5542 | { | |
5543 | #ifdef CONFIG_HSA_AMD_P2P | |
5544 | uint64_t address_mask = peer_adev->dev->dma_mask ? | |
5545 | ~*peer_adev->dev->dma_mask : ~((1ULL << 32) - 1); | |
5546 | resource_size_t aper_limit = | |
5547 | adev->gmc.aper_base + adev->gmc.aper_size - 1; | |
bb66ecbf LL |
5548 | bool p2p_access = |
5549 | !adev->gmc.xgmi.connected_to_cpu && | |
5550 | !(pci_p2pdma_distance(adev->pdev, peer_adev->dev, false) < 0); | |
08a2fd23 RE |
5551 | |
5552 | return pcie_p2p && p2p_access && (adev->gmc.visible_vram_size && | |
5553 | adev->gmc.real_vram_size == adev->gmc.visible_vram_size && | |
5554 | !(adev->gmc.aper_base & address_mask || | |
5555 | aper_limit & address_mask)); | |
5556 | #else | |
5557 | return false; | |
5558 | #endif | |
5559 | } | |
5560 | ||
361dbd01 AD |
5561 | int amdgpu_device_baco_enter(struct drm_device *dev) |
5562 | { | |
1348969a | 5563 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 5564 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
361dbd01 | 5565 | |
4a580877 | 5566 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
5567 | return -ENOTSUPP; |
5568 | ||
8ab0d6f0 | 5569 | if (ras && adev->ras_enabled && |
acdae216 | 5570 | adev->nbio.funcs->enable_doorbell_interrupt) |
7a22677b LM |
5571 | adev->nbio.funcs->enable_doorbell_interrupt(adev, false); |
5572 | ||
9530273e | 5573 | return amdgpu_dpm_baco_enter(adev); |
361dbd01 AD |
5574 | } |
5575 | ||
5576 | int amdgpu_device_baco_exit(struct drm_device *dev) | |
5577 | { | |
1348969a | 5578 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 5579 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
9530273e | 5580 | int ret = 0; |
361dbd01 | 5581 | |
4a580877 | 5582 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
5583 | return -ENOTSUPP; |
5584 | ||
9530273e EQ |
5585 | ret = amdgpu_dpm_baco_exit(adev); |
5586 | if (ret) | |
5587 | return ret; | |
7a22677b | 5588 | |
8ab0d6f0 | 5589 | if (ras && adev->ras_enabled && |
acdae216 | 5590 | adev->nbio.funcs->enable_doorbell_interrupt) |
7a22677b LM |
5591 | adev->nbio.funcs->enable_doorbell_interrupt(adev, true); |
5592 | ||
1bece222 CL |
5593 | if (amdgpu_passthrough(adev) && |
5594 | adev->nbio.funcs->clear_doorbell_interrupt) | |
5595 | adev->nbio.funcs->clear_doorbell_interrupt(adev); | |
5596 | ||
7a22677b | 5597 | return 0; |
361dbd01 | 5598 | } |
c9a6b82f AG |
5599 | |
5600 | /** | |
5601 | * amdgpu_pci_error_detected - Called when a PCI error is detected. | |
5602 | * @pdev: PCI device struct | |
5603 | * @state: PCI channel state | |
5604 | * | |
5605 | * Description: Called when a PCI error is detected. | |
5606 | * | |
5607 | * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT. | |
5608 | */ | |
5609 | pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
5610 | { | |
5611 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5612 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 5613 | int i; |
c9a6b82f AG |
5614 | |
5615 | DRM_INFO("PCI error: detected callback, state(%d)!!\n", state); | |
5616 | ||
6894305c AG |
5617 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
5618 | DRM_WARN("No support for XGMI hive yet..."); | |
5619 | return PCI_ERS_RESULT_DISCONNECT; | |
5620 | } | |
5621 | ||
e17e27f9 GC |
5622 | adev->pci_channel_state = state; |
5623 | ||
c9a6b82f AG |
5624 | switch (state) { |
5625 | case pci_channel_io_normal: | |
5626 | return PCI_ERS_RESULT_CAN_RECOVER; | |
acd89fca | 5627 | /* Fatal error, prepare for slot reset */ |
8a11d283 TZ |
5628 | case pci_channel_io_frozen: |
5629 | /* | |
d0fb18b5 | 5630 | * Locking adev->reset_domain->sem will prevent any external access |
acd89fca AG |
5631 | * to GPU during PCI error recovery |
5632 | */ | |
3675c2f2 | 5633 | amdgpu_device_lock_reset_domain(adev->reset_domain); |
e923be99 | 5634 | amdgpu_device_set_mp1_state(adev); |
acd89fca AG |
5635 | |
5636 | /* | |
5637 | * Block any work scheduling as we do for regular GPU reset | |
5638 | * for the duration of the recovery | |
5639 | */ | |
5640 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
5641 | struct amdgpu_ring *ring = adev->rings[i]; | |
5642 | ||
5643 | if (!ring || !ring->sched.thread) | |
5644 | continue; | |
5645 | ||
5646 | drm_sched_stop(&ring->sched, NULL); | |
5647 | } | |
8f8c80f4 | 5648 | atomic_inc(&adev->gpu_reset_counter); |
c9a6b82f AG |
5649 | return PCI_ERS_RESULT_NEED_RESET; |
5650 | case pci_channel_io_perm_failure: | |
5651 | /* Permanent error, prepare for device removal */ | |
5652 | return PCI_ERS_RESULT_DISCONNECT; | |
5653 | } | |
5654 | ||
5655 | return PCI_ERS_RESULT_NEED_RESET; | |
5656 | } | |
5657 | ||
5658 | /** | |
5659 | * amdgpu_pci_mmio_enabled - Enable MMIO and dump debug registers | |
5660 | * @pdev: pointer to PCI device | |
5661 | */ | |
5662 | pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev) | |
5663 | { | |
5664 | ||
5665 | DRM_INFO("PCI error: mmio enabled callback!!\n"); | |
5666 | ||
5667 | /* TODO - dump whatever for debugging purposes */ | |
5668 | ||
5669 | /* This called only if amdgpu_pci_error_detected returns | |
5670 | * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still | |
5671 | * works, no need to reset slot. | |
5672 | */ | |
5673 | ||
5674 | return PCI_ERS_RESULT_RECOVERED; | |
5675 | } | |
5676 | ||
5677 | /** | |
5678 | * amdgpu_pci_slot_reset - Called when PCI slot has been reset. | |
5679 | * @pdev: PCI device struct | |
5680 | * | |
5681 | * Description: This routine is called by the pci error recovery | |
5682 | * code after the PCI slot has been reset, just before we | |
5683 | * should resume normal operations. | |
5684 | */ | |
5685 | pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) | |
5686 | { | |
5687 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5688 | struct amdgpu_device *adev = drm_to_adev(dev); | |
362c7b91 | 5689 | int r, i; |
04442bf7 | 5690 | struct amdgpu_reset_context reset_context; |
362c7b91 | 5691 | u32 memsize; |
7ac71382 | 5692 | struct list_head device_list; |
c9a6b82f AG |
5693 | |
5694 | DRM_INFO("PCI error: slot reset callback!!\n"); | |
5695 | ||
04442bf7 LL |
5696 | memset(&reset_context, 0, sizeof(reset_context)); |
5697 | ||
7ac71382 | 5698 | INIT_LIST_HEAD(&device_list); |
655ce9cb | 5699 | list_add_tail(&adev->reset_list, &device_list); |
7ac71382 | 5700 | |
362c7b91 AG |
5701 | /* wait for asic to come out of reset */ |
5702 | msleep(500); | |
5703 | ||
7ac71382 | 5704 | /* Restore PCI confspace */ |
c1dd4aa6 | 5705 | amdgpu_device_load_pci_state(pdev); |
c9a6b82f | 5706 | |
362c7b91 AG |
5707 | /* confirm ASIC came out of reset */ |
5708 | for (i = 0; i < adev->usec_timeout; i++) { | |
5709 | memsize = amdgpu_asic_get_config_memsize(adev); | |
5710 | ||
5711 | if (memsize != 0xffffffff) | |
5712 | break; | |
5713 | udelay(1); | |
5714 | } | |
5715 | if (memsize == 0xffffffff) { | |
5716 | r = -ETIME; | |
5717 | goto out; | |
5718 | } | |
5719 | ||
04442bf7 LL |
5720 | reset_context.method = AMD_RESET_METHOD_NONE; |
5721 | reset_context.reset_req_dev = adev; | |
5722 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); | |
5723 | set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags); | |
5724 | ||
7afefb81 | 5725 | adev->no_hw_access = true; |
04442bf7 | 5726 | r = amdgpu_device_pre_asic_reset(adev, &reset_context); |
7afefb81 | 5727 | adev->no_hw_access = false; |
c9a6b82f AG |
5728 | if (r) |
5729 | goto out; | |
5730 | ||
04442bf7 | 5731 | r = amdgpu_do_asic_reset(&device_list, &reset_context); |
c9a6b82f AG |
5732 | |
5733 | out: | |
c9a6b82f | 5734 | if (!r) { |
c1dd4aa6 AG |
5735 | if (amdgpu_device_cache_pci_state(adev->pdev)) |
5736 | pci_restore_state(adev->pdev); | |
5737 | ||
c9a6b82f AG |
5738 | DRM_INFO("PCIe error recovery succeeded\n"); |
5739 | } else { | |
5740 | DRM_ERROR("PCIe error recovery failed, err:%d", r); | |
e923be99 AG |
5741 | amdgpu_device_unset_mp1_state(adev); |
5742 | amdgpu_device_unlock_reset_domain(adev->reset_domain); | |
c9a6b82f AG |
5743 | } |
5744 | ||
5745 | return r ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
5746 | } | |
5747 | ||
5748 | /** | |
5749 | * amdgpu_pci_resume() - resume normal ops after PCI reset | |
5750 | * @pdev: pointer to PCI device | |
5751 | * | |
5752 | * Called when the error recovery driver tells us that its | |
505199a3 | 5753 | * OK to resume normal operation. |
c9a6b82f AG |
5754 | */ |
5755 | void amdgpu_pci_resume(struct pci_dev *pdev) | |
5756 | { | |
5757 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5758 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 5759 | int i; |
c9a6b82f | 5760 | |
c9a6b82f AG |
5761 | |
5762 | DRM_INFO("PCI error: resume callback!!\n"); | |
acd89fca | 5763 | |
e17e27f9 GC |
5764 | /* Only continue execution for the case of pci_channel_io_frozen */ |
5765 | if (adev->pci_channel_state != pci_channel_io_frozen) | |
5766 | return; | |
5767 | ||
acd89fca AG |
5768 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
5769 | struct amdgpu_ring *ring = adev->rings[i]; | |
5770 | ||
5771 | if (!ring || !ring->sched.thread) | |
5772 | continue; | |
5773 | ||
acd89fca AG |
5774 | drm_sched_start(&ring->sched, true); |
5775 | } | |
5776 | ||
e923be99 AG |
5777 | amdgpu_device_unset_mp1_state(adev); |
5778 | amdgpu_device_unlock_reset_domain(adev->reset_domain); | |
c9a6b82f | 5779 | } |
c1dd4aa6 AG |
5780 | |
5781 | bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) | |
5782 | { | |
5783 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5784 | struct amdgpu_device *adev = drm_to_adev(dev); | |
5785 | int r; | |
5786 | ||
5787 | r = pci_save_state(pdev); | |
5788 | if (!r) { | |
5789 | kfree(adev->pci_state); | |
5790 | ||
5791 | adev->pci_state = pci_store_saved_state(pdev); | |
5792 | ||
5793 | if (!adev->pci_state) { | |
5794 | DRM_ERROR("Failed to store PCI saved state"); | |
5795 | return false; | |
5796 | } | |
5797 | } else { | |
5798 | DRM_WARN("Failed to save PCI state, err:%d\n", r); | |
5799 | return false; | |
5800 | } | |
5801 | ||
5802 | return true; | |
5803 | } | |
5804 | ||
5805 | bool amdgpu_device_load_pci_state(struct pci_dev *pdev) | |
5806 | { | |
5807 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5808 | struct amdgpu_device *adev = drm_to_adev(dev); | |
5809 | int r; | |
5810 | ||
5811 | if (!adev->pci_state) | |
5812 | return false; | |
5813 | ||
5814 | r = pci_load_saved_state(pdev, adev->pci_state); | |
5815 | ||
5816 | if (!r) { | |
5817 | pci_restore_state(pdev); | |
5818 | } else { | |
5819 | DRM_WARN("Failed to load PCI state, err:%d\n", r); | |
5820 | return false; | |
5821 | } | |
5822 | ||
5823 | return true; | |
5824 | } | |
5825 | ||
810085dd EH |
5826 | void amdgpu_device_flush_hdp(struct amdgpu_device *adev, |
5827 | struct amdgpu_ring *ring) | |
5828 | { | |
5829 | #ifdef CONFIG_X86_64 | |
b818a5d3 | 5830 | if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) |
810085dd EH |
5831 | return; |
5832 | #endif | |
5833 | if (adev->gmc.xgmi.connected_to_cpu) | |
5834 | return; | |
5835 | ||
5836 | if (ring && ring->funcs->emit_hdp_flush) | |
5837 | amdgpu_ring_emit_hdp_flush(ring); | |
5838 | else | |
5839 | amdgpu_asic_flush_hdp(adev, ring); | |
5840 | } | |
c1dd4aa6 | 5841 | |
810085dd EH |
5842 | void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, |
5843 | struct amdgpu_ring *ring) | |
5844 | { | |
5845 | #ifdef CONFIG_X86_64 | |
b818a5d3 | 5846 | if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) |
810085dd EH |
5847 | return; |
5848 | #endif | |
5849 | if (adev->gmc.xgmi.connected_to_cpu) | |
5850 | return; | |
c1dd4aa6 | 5851 | |
810085dd EH |
5852 | amdgpu_asic_invalidate_hdp(adev, ring); |
5853 | } | |
34f3a4a9 | 5854 | |
89a7a870 AG |
5855 | int amdgpu_in_reset(struct amdgpu_device *adev) |
5856 | { | |
5857 | return atomic_read(&adev->reset_domain->in_gpu_reset); | |
5858 | } | |
5859 | ||
34f3a4a9 LY |
5860 | /** |
5861 | * amdgpu_device_halt() - bring hardware to some kind of halt state | |
5862 | * | |
5863 | * @adev: amdgpu_device pointer | |
5864 | * | |
5865 | * Bring hardware to some kind of halt state so that no one can touch it | |
5866 | * any more. It will help to maintain error context when error occurred. | |
5867 | * Compare to a simple hang, the system will keep stable at least for SSH | |
5868 | * access. Then it should be trivial to inspect the hardware state and | |
5869 | * see what's going on. Implemented as following: | |
5870 | * | |
5871 | * 1. drm_dev_unplug() makes device inaccessible to user space(IOCTLs, etc), | |
5872 | * clears all CPU mappings to device, disallows remappings through page faults | |
5873 | * 2. amdgpu_irq_disable_all() disables all interrupts | |
5874 | * 3. amdgpu_fence_driver_hw_fini() signals all HW fences | |
5875 | * 4. set adev->no_hw_access to avoid potential crashes after setp 5 | |
5876 | * 5. amdgpu_device_unmap_mmio() clears all MMIO mappings | |
5877 | * 6. pci_disable_device() and pci_wait_for_pending_transaction() | |
5878 | * flush any in flight DMA operations | |
5879 | */ | |
5880 | void amdgpu_device_halt(struct amdgpu_device *adev) | |
5881 | { | |
5882 | struct pci_dev *pdev = adev->pdev; | |
e0f943b4 | 5883 | struct drm_device *ddev = adev_to_drm(adev); |
34f3a4a9 LY |
5884 | |
5885 | drm_dev_unplug(ddev); | |
5886 | ||
5887 | amdgpu_irq_disable_all(adev); | |
5888 | ||
5889 | amdgpu_fence_driver_hw_fini(adev); | |
5890 | ||
5891 | adev->no_hw_access = true; | |
5892 | ||
5893 | amdgpu_device_unmap_mmio(adev); | |
5894 | ||
5895 | pci_disable_device(pdev); | |
5896 | pci_wait_for_pending_transaction(pdev); | |
5897 | } | |
86700a40 XD |
5898 | |
5899 | u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev, | |
5900 | u32 reg) | |
5901 | { | |
5902 | unsigned long flags, address, data; | |
5903 | u32 r; | |
5904 | ||
5905 | address = adev->nbio.funcs->get_pcie_port_index_offset(adev); | |
5906 | data = adev->nbio.funcs->get_pcie_port_data_offset(adev); | |
5907 | ||
5908 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
5909 | WREG32(address, reg * 4); | |
5910 | (void)RREG32(address); | |
5911 | r = RREG32(data); | |
5912 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
5913 | return r; | |
5914 | } | |
5915 | ||
5916 | void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev, | |
5917 | u32 reg, u32 v) | |
5918 | { | |
5919 | unsigned long flags, address, data; | |
5920 | ||
5921 | address = adev->nbio.funcs->get_pcie_port_index_offset(adev); | |
5922 | data = adev->nbio.funcs->get_pcie_port_data_offset(adev); | |
5923 | ||
5924 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
5925 | WREG32(address, reg * 4); | |
5926 | (void)RREG32(address); | |
5927 | WREG32(data, v); | |
5928 | (void)RREG32(data); | |
5929 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
5930 | } | |
68ce8b24 CK |
5931 | |
5932 | /** | |
5933 | * amdgpu_device_switch_gang - switch to a new gang | |
5934 | * @adev: amdgpu_device pointer | |
5935 | * @gang: the gang to switch to | |
5936 | * | |
5937 | * Try to switch to a new gang. | |
5938 | * Returns: NULL if we switched to the new gang or a reference to the current | |
5939 | * gang leader. | |
5940 | */ | |
5941 | struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev, | |
5942 | struct dma_fence *gang) | |
5943 | { | |
5944 | struct dma_fence *old = NULL; | |
5945 | ||
5946 | do { | |
5947 | dma_fence_put(old); | |
5948 | rcu_read_lock(); | |
5949 | old = dma_fence_get_rcu_safe(&adev->gang_submit); | |
5950 | rcu_read_unlock(); | |
5951 | ||
5952 | if (old == gang) | |
5953 | break; | |
5954 | ||
5955 | if (!dma_fence_is_signaled(old)) | |
5956 | return old; | |
5957 | ||
5958 | } while (cmpxchg((struct dma_fence __force **)&adev->gang_submit, | |
5959 | old, gang) != old); | |
5960 | ||
5961 | dma_fence_put(old); | |
5962 | return NULL; | |
5963 | } | |
220c8cc8 AD |
5964 | |
5965 | bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev) | |
5966 | { | |
5967 | switch (adev->asic_type) { | |
5968 | #ifdef CONFIG_DRM_AMDGPU_SI | |
5969 | case CHIP_HAINAN: | |
5970 | #endif | |
5971 | case CHIP_TOPAZ: | |
5972 | /* chips with no display hardware */ | |
5973 | return false; | |
5974 | #ifdef CONFIG_DRM_AMDGPU_SI | |
5975 | case CHIP_TAHITI: | |
5976 | case CHIP_PITCAIRN: | |
5977 | case CHIP_VERDE: | |
5978 | case CHIP_OLAND: | |
5979 | #endif | |
5980 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
5981 | case CHIP_BONAIRE: | |
5982 | case CHIP_HAWAII: | |
5983 | case CHIP_KAVERI: | |
5984 | case CHIP_KABINI: | |
5985 | case CHIP_MULLINS: | |
5986 | #endif | |
5987 | case CHIP_TONGA: | |
5988 | case CHIP_FIJI: | |
5989 | case CHIP_POLARIS10: | |
5990 | case CHIP_POLARIS11: | |
5991 | case CHIP_POLARIS12: | |
5992 | case CHIP_VEGAM: | |
5993 | case CHIP_CARRIZO: | |
5994 | case CHIP_STONEY: | |
5995 | /* chips with display hardware */ | |
5996 | return true; | |
5997 | default: | |
5998 | /* IP discovery */ | |
5999 | if (!adev->ip_versions[DCE_HWIP][0] || | |
6000 | (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) | |
6001 | return false; | |
6002 | return true; | |
6003 | } | |
6004 | } |