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> | |
fdf2f6c5 | 33 | |
4562236b | 34 | #include <drm/drm_atomic_helper.h> |
fcd70cd3 | 35 | #include <drm/drm_probe_helper.h> |
d38ceaf9 AD |
36 | #include <drm/amdgpu_drm.h> |
37 | #include <linux/vgaarb.h> | |
38 | #include <linux/vga_switcheroo.h> | |
39 | #include <linux/efi.h> | |
40 | #include "amdgpu.h" | |
f4b373f4 | 41 | #include "amdgpu_trace.h" |
d38ceaf9 AD |
42 | #include "amdgpu_i2c.h" |
43 | #include "atom.h" | |
44 | #include "amdgpu_atombios.h" | |
a5bde2f9 | 45 | #include "amdgpu_atomfirmware.h" |
d0dd7f0c | 46 | #include "amd_pcie.h" |
33f34802 KW |
47 | #ifdef CONFIG_DRM_AMDGPU_SI |
48 | #include "si.h" | |
49 | #endif | |
a2e73f56 AD |
50 | #ifdef CONFIG_DRM_AMDGPU_CIK |
51 | #include "cik.h" | |
52 | #endif | |
aaa36a97 | 53 | #include "vi.h" |
460826e6 | 54 | #include "soc15.h" |
0a5b8c7b | 55 | #include "nv.h" |
d38ceaf9 | 56 | #include "bif/bif_4_1_d.h" |
9accf2fd | 57 | #include <linux/pci.h> |
bec86378 | 58 | #include <linux/firmware.h> |
89041940 | 59 | #include "amdgpu_vf_error.h" |
d38ceaf9 | 60 | |
ba997709 | 61 | #include "amdgpu_amdkfd.h" |
d2f52ac8 | 62 | #include "amdgpu_pm.h" |
d38ceaf9 | 63 | |
5183411b | 64 | #include "amdgpu_xgmi.h" |
c030f2e4 | 65 | #include "amdgpu_ras.h" |
9c7c85f7 | 66 | #include "amdgpu_pmu.h" |
bd607166 | 67 | #include "amdgpu_fru_eeprom.h" |
04442bf7 | 68 | #include "amdgpu_reset.h" |
5183411b | 69 | |
d5ea093e | 70 | #include <linux/suspend.h> |
c6a6e2db | 71 | #include <drm/task_barrier.h> |
3f12acc8 | 72 | #include <linux/pm_runtime.h> |
d5ea093e | 73 | |
f89f8c6b AG |
74 | #include <drm/drm_drv.h> |
75 | ||
e2a75f88 | 76 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
3f76dced | 77 | MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); |
2d2e5e7e | 78 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
ad5a67a7 | 79 | MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); |
54c4d17e | 80 | MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); |
65e60f6e | 81 | MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin"); |
b51a26a0 | 82 | MODULE_FIRMWARE("amdgpu/renoir_gpu_info.bin"); |
23c6268e | 83 | MODULE_FIRMWARE("amdgpu/navi10_gpu_info.bin"); |
ed42cfe1 | 84 | MODULE_FIRMWARE("amdgpu/navi14_gpu_info.bin"); |
42b325e5 | 85 | MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); |
4e52a9f8 | 86 | MODULE_FIRMWARE("amdgpu/vangogh_gpu_info.bin"); |
8bf84f60 | 87 | MODULE_FIRMWARE("amdgpu/yellow_carp_gpu_info.bin"); |
e2a75f88 | 88 | |
2dc80b00 S |
89 | #define AMDGPU_RESUME_MS 2000 |
90 | ||
050091ab | 91 | const char *amdgpu_asic_name[] = { |
da69c161 KW |
92 | "TAHITI", |
93 | "PITCAIRN", | |
94 | "VERDE", | |
95 | "OLAND", | |
96 | "HAINAN", | |
d38ceaf9 AD |
97 | "BONAIRE", |
98 | "KAVERI", | |
99 | "KABINI", | |
100 | "HAWAII", | |
101 | "MULLINS", | |
102 | "TOPAZ", | |
103 | "TONGA", | |
48299f95 | 104 | "FIJI", |
d38ceaf9 | 105 | "CARRIZO", |
139f4917 | 106 | "STONEY", |
2cc0c0b5 FC |
107 | "POLARIS10", |
108 | "POLARIS11", | |
c4642a47 | 109 | "POLARIS12", |
48ff108d | 110 | "VEGAM", |
d4196f01 | 111 | "VEGA10", |
8fab806a | 112 | "VEGA12", |
956fcddc | 113 | "VEGA20", |
2ca8a5d2 | 114 | "RAVEN", |
d6c3b24e | 115 | "ARCTURUS", |
1eee4228 | 116 | "RENOIR", |
d46b417a | 117 | "ALDEBARAN", |
852a6626 | 118 | "NAVI10", |
87dbad02 | 119 | "NAVI14", |
9802f5d7 | 120 | "NAVI12", |
ccaf72d3 | 121 | "SIENNA_CICHLID", |
ddd8fbe7 | 122 | "NAVY_FLOUNDER", |
4f1e9a76 | 123 | "VANGOGH", |
a2468e04 | 124 | "DIMGREY_CAVEFISH", |
6f169591 | 125 | "BEIGE_GOBY", |
ee9236b7 | 126 | "YELLOW_CARP", |
d38ceaf9 AD |
127 | "LAST", |
128 | }; | |
129 | ||
dcea6e65 KR |
130 | /** |
131 | * DOC: pcie_replay_count | |
132 | * | |
133 | * The amdgpu driver provides a sysfs API for reporting the total number | |
134 | * of PCIe replays (NAKs) | |
135 | * The file pcie_replay_count is used for this and returns the total | |
136 | * number of replays as a sum of the NAKs generated and NAKs received | |
137 | */ | |
138 | ||
139 | static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, | |
140 | struct device_attribute *attr, char *buf) | |
141 | { | |
142 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 143 | struct amdgpu_device *adev = drm_to_adev(ddev); |
dcea6e65 KR |
144 | uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); |
145 | ||
36000c7a | 146 | return sysfs_emit(buf, "%llu\n", cnt); |
dcea6e65 KR |
147 | } |
148 | ||
149 | static DEVICE_ATTR(pcie_replay_count, S_IRUGO, | |
150 | amdgpu_device_get_pcie_replay_count, NULL); | |
151 | ||
5494d864 AD |
152 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); |
153 | ||
bd607166 KR |
154 | /** |
155 | * DOC: product_name | |
156 | * | |
157 | * The amdgpu driver provides a sysfs API for reporting the product name | |
158 | * for the device | |
159 | * The file serial_number is used for this and returns the product name | |
160 | * as returned from the FRU. | |
161 | * NOTE: This is only available for certain server cards | |
162 | */ | |
163 | ||
164 | static ssize_t amdgpu_device_get_product_name(struct device *dev, | |
165 | struct device_attribute *attr, char *buf) | |
166 | { | |
167 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 168 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 | 169 | |
36000c7a | 170 | return sysfs_emit(buf, "%s\n", adev->product_name); |
bd607166 KR |
171 | } |
172 | ||
173 | static DEVICE_ATTR(product_name, S_IRUGO, | |
174 | amdgpu_device_get_product_name, NULL); | |
175 | ||
176 | /** | |
177 | * DOC: product_number | |
178 | * | |
179 | * The amdgpu driver provides a sysfs API for reporting the part number | |
180 | * for the device | |
181 | * The file serial_number is used for this and returns the part number | |
182 | * as returned from the FRU. | |
183 | * NOTE: This is only available for certain server cards | |
184 | */ | |
185 | ||
186 | static ssize_t amdgpu_device_get_product_number(struct device *dev, | |
187 | struct device_attribute *attr, char *buf) | |
188 | { | |
189 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 190 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 | 191 | |
36000c7a | 192 | return sysfs_emit(buf, "%s\n", adev->product_number); |
bd607166 KR |
193 | } |
194 | ||
195 | static DEVICE_ATTR(product_number, S_IRUGO, | |
196 | amdgpu_device_get_product_number, NULL); | |
197 | ||
198 | /** | |
199 | * DOC: serial_number | |
200 | * | |
201 | * The amdgpu driver provides a sysfs API for reporting the serial number | |
202 | * for the device | |
203 | * The file serial_number is used for this and returns the serial number | |
204 | * as returned from the FRU. | |
205 | * NOTE: This is only available for certain server cards | |
206 | */ | |
207 | ||
208 | static ssize_t amdgpu_device_get_serial_number(struct device *dev, | |
209 | struct device_attribute *attr, char *buf) | |
210 | { | |
211 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 212 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 | 213 | |
36000c7a | 214 | return sysfs_emit(buf, "%s\n", adev->serial); |
bd607166 KR |
215 | } |
216 | ||
217 | static DEVICE_ATTR(serial_number, S_IRUGO, | |
218 | amdgpu_device_get_serial_number, NULL); | |
219 | ||
fd496ca8 | 220 | /** |
b98c6299 | 221 | * amdgpu_device_supports_px - Is the device a dGPU with ATPX power control |
fd496ca8 AD |
222 | * |
223 | * @dev: drm_device pointer | |
224 | * | |
b98c6299 | 225 | * Returns true if the device is a dGPU with ATPX power control, |
fd496ca8 AD |
226 | * otherwise return false. |
227 | */ | |
b98c6299 | 228 | bool amdgpu_device_supports_px(struct drm_device *dev) |
fd496ca8 AD |
229 | { |
230 | struct amdgpu_device *adev = drm_to_adev(dev); | |
231 | ||
b98c6299 | 232 | if ((adev->flags & AMD_IS_PX) && !amdgpu_is_atpx_hybrid()) |
fd496ca8 AD |
233 | return true; |
234 | return false; | |
235 | } | |
236 | ||
e3ecdffa | 237 | /** |
0330b848 | 238 | * amdgpu_device_supports_boco - Is the device a dGPU with ACPI power resources |
e3ecdffa AD |
239 | * |
240 | * @dev: drm_device pointer | |
241 | * | |
b98c6299 | 242 | * Returns true if the device is a dGPU with ACPI power control, |
e3ecdffa AD |
243 | * otherwise return false. |
244 | */ | |
31af062a | 245 | bool amdgpu_device_supports_boco(struct drm_device *dev) |
d38ceaf9 | 246 | { |
1348969a | 247 | struct amdgpu_device *adev = drm_to_adev(dev); |
d38ceaf9 | 248 | |
b98c6299 AD |
249 | if (adev->has_pr3 || |
250 | ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid())) | |
d38ceaf9 AD |
251 | return true; |
252 | return false; | |
253 | } | |
254 | ||
a69cba42 AD |
255 | /** |
256 | * amdgpu_device_supports_baco - Does the device support BACO | |
257 | * | |
258 | * @dev: drm_device pointer | |
259 | * | |
260 | * Returns true if the device supporte BACO, | |
261 | * otherwise return false. | |
262 | */ | |
263 | bool amdgpu_device_supports_baco(struct drm_device *dev) | |
264 | { | |
1348969a | 265 | struct amdgpu_device *adev = drm_to_adev(dev); |
a69cba42 AD |
266 | |
267 | return amdgpu_asic_supports_baco(adev); | |
268 | } | |
269 | ||
3fa8f89d S |
270 | /** |
271 | * amdgpu_device_supports_smart_shift - Is the device dGPU with | |
272 | * smart shift support | |
273 | * | |
274 | * @dev: drm_device pointer | |
275 | * | |
276 | * Returns true if the device is a dGPU with Smart Shift support, | |
277 | * otherwise returns false. | |
278 | */ | |
279 | bool amdgpu_device_supports_smart_shift(struct drm_device *dev) | |
280 | { | |
281 | return (amdgpu_device_supports_boco(dev) && | |
282 | amdgpu_acpi_is_power_shift_control_supported()); | |
283 | } | |
284 | ||
6e3cd2a9 MCC |
285 | /* |
286 | * VRAM access helper functions | |
287 | */ | |
288 | ||
e35e2b11 | 289 | /** |
e35e2b11 TY |
290 | * amdgpu_device_vram_access - read/write a buffer in vram |
291 | * | |
292 | * @adev: amdgpu_device pointer | |
293 | * @pos: offset of the buffer in vram | |
294 | * @buf: virtual address of the buffer in system memory | |
295 | * @size: read/write size, sizeof(@buf) must > @size | |
296 | * @write: true - write to vram, otherwise - read from vram | |
297 | */ | |
298 | void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, | |
299 | uint32_t *buf, size_t size, bool write) | |
300 | { | |
e35e2b11 | 301 | unsigned long flags; |
ce05ac56 CK |
302 | uint32_t hi = ~0; |
303 | uint64_t last; | |
f89f8c6b | 304 | int idx; |
ce05ac56 | 305 | |
f89f8c6b AG |
306 | if (!drm_dev_enter(&adev->ddev, &idx)) |
307 | return; | |
9d11eb0d CK |
308 | |
309 | #ifdef CONFIG_64BIT | |
310 | last = min(pos + size, adev->gmc.visible_vram_size); | |
311 | if (last > pos) { | |
312 | void __iomem *addr = adev->mman.aper_base_kaddr + pos; | |
313 | size_t count = last - pos; | |
314 | ||
315 | if (write) { | |
316 | memcpy_toio(addr, buf, count); | |
317 | mb(); | |
810085dd | 318 | amdgpu_device_flush_hdp(adev, NULL); |
9d11eb0d | 319 | } else { |
810085dd | 320 | amdgpu_device_invalidate_hdp(adev, NULL); |
9d11eb0d CK |
321 | mb(); |
322 | memcpy_fromio(buf, addr, count); | |
323 | } | |
324 | ||
325 | if (count == size) | |
f89f8c6b | 326 | goto exit; |
9d11eb0d CK |
327 | |
328 | pos += count; | |
329 | buf += count / 4; | |
330 | size -= count; | |
331 | } | |
332 | #endif | |
333 | ||
ce05ac56 CK |
334 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); |
335 | for (last = pos + size; pos < last; pos += 4) { | |
336 | uint32_t tmp = pos >> 31; | |
e35e2b11 | 337 | |
e35e2b11 | 338 | WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); |
ce05ac56 CK |
339 | if (tmp != hi) { |
340 | WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); | |
341 | hi = tmp; | |
342 | } | |
e35e2b11 TY |
343 | if (write) |
344 | WREG32_NO_KIQ(mmMM_DATA, *buf++); | |
345 | else | |
346 | *buf++ = RREG32_NO_KIQ(mmMM_DATA); | |
e35e2b11 | 347 | } |
ce05ac56 | 348 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); |
f89f8c6b | 349 | |
8eca89a1 | 350 | #ifdef CONFIG_64BIT |
f89f8c6b | 351 | exit: |
8eca89a1 | 352 | #endif |
f89f8c6b | 353 | drm_dev_exit(idx); |
e35e2b11 TY |
354 | } |
355 | ||
d38ceaf9 | 356 | /* |
f7ee1874 | 357 | * register access helper functions. |
d38ceaf9 | 358 | */ |
56b53c0b DL |
359 | |
360 | /* Check if hw access should be skipped because of hotplug or device error */ | |
361 | bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev) | |
362 | { | |
7afefb81 | 363 | if (adev->no_hw_access) |
56b53c0b DL |
364 | return true; |
365 | ||
366 | #ifdef CONFIG_LOCKDEP | |
367 | /* | |
368 | * This is a bit complicated to understand, so worth a comment. What we assert | |
369 | * here is that the GPU reset is not running on another thread in parallel. | |
370 | * | |
371 | * For this we trylock the read side of the reset semaphore, if that succeeds | |
372 | * we know that the reset is not running in paralell. | |
373 | * | |
374 | * If the trylock fails we assert that we are either already holding the read | |
375 | * side of the lock or are the reset thread itself and hold the write side of | |
376 | * the lock. | |
377 | */ | |
378 | if (in_task()) { | |
379 | if (down_read_trylock(&adev->reset_sem)) | |
380 | up_read(&adev->reset_sem); | |
381 | else | |
382 | lockdep_assert_held(&adev->reset_sem); | |
383 | } | |
384 | #endif | |
385 | return false; | |
386 | } | |
387 | ||
e3ecdffa | 388 | /** |
f7ee1874 | 389 | * amdgpu_device_rreg - read a memory mapped IO or indirect register |
e3ecdffa AD |
390 | * |
391 | * @adev: amdgpu_device pointer | |
392 | * @reg: dword aligned register offset | |
393 | * @acc_flags: access flags which require special behavior | |
394 | * | |
395 | * Returns the 32 bit value from the offset specified. | |
396 | */ | |
f7ee1874 HZ |
397 | uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, |
398 | uint32_t reg, uint32_t acc_flags) | |
d38ceaf9 | 399 | { |
f4b373f4 TSD |
400 | uint32_t ret; |
401 | ||
56b53c0b | 402 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
403 | return 0; |
404 | ||
f7ee1874 HZ |
405 | if ((reg * 4) < adev->rmmio_size) { |
406 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
407 | amdgpu_sriov_runtime(adev) && | |
408 | down_read_trylock(&adev->reset_sem)) { | |
409 | ret = amdgpu_kiq_rreg(adev, reg); | |
410 | up_read(&adev->reset_sem); | |
411 | } else { | |
412 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); | |
413 | } | |
414 | } else { | |
415 | ret = adev->pcie_rreg(adev, reg * 4); | |
81202807 | 416 | } |
bc992ba5 | 417 | |
f7ee1874 | 418 | trace_amdgpu_device_rreg(adev->pdev->device, reg, ret); |
e78b579d | 419 | |
f4b373f4 | 420 | return ret; |
d38ceaf9 AD |
421 | } |
422 | ||
421a2a30 ML |
423 | /* |
424 | * MMIO register read with bytes helper functions | |
425 | * @offset:bytes offset from MMIO start | |
426 | * | |
427 | */ | |
428 | ||
e3ecdffa AD |
429 | /** |
430 | * amdgpu_mm_rreg8 - read a memory mapped IO register | |
431 | * | |
432 | * @adev: amdgpu_device pointer | |
433 | * @offset: byte aligned register offset | |
434 | * | |
435 | * Returns the 8 bit value from the offset specified. | |
436 | */ | |
7cbbc745 AG |
437 | uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) |
438 | { | |
56b53c0b | 439 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
440 | return 0; |
441 | ||
421a2a30 ML |
442 | if (offset < adev->rmmio_size) |
443 | return (readb(adev->rmmio + offset)); | |
444 | BUG(); | |
445 | } | |
446 | ||
447 | /* | |
448 | * MMIO register write with bytes helper functions | |
449 | * @offset:bytes offset from MMIO start | |
450 | * @value: the value want to be written to the register | |
451 | * | |
452 | */ | |
e3ecdffa AD |
453 | /** |
454 | * amdgpu_mm_wreg8 - read a memory mapped IO register | |
455 | * | |
456 | * @adev: amdgpu_device pointer | |
457 | * @offset: byte aligned register offset | |
458 | * @value: 8 bit value to write | |
459 | * | |
460 | * Writes the value specified to the offset specified. | |
461 | */ | |
7cbbc745 AG |
462 | void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) |
463 | { | |
56b53c0b | 464 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
465 | return; |
466 | ||
421a2a30 ML |
467 | if (offset < adev->rmmio_size) |
468 | writeb(value, adev->rmmio + offset); | |
469 | else | |
470 | BUG(); | |
471 | } | |
472 | ||
e3ecdffa | 473 | /** |
f7ee1874 | 474 | * amdgpu_device_wreg - write to a memory mapped IO or indirect register |
e3ecdffa AD |
475 | * |
476 | * @adev: amdgpu_device pointer | |
477 | * @reg: dword aligned register offset | |
478 | * @v: 32 bit value to write to the register | |
479 | * @acc_flags: access flags which require special behavior | |
480 | * | |
481 | * Writes the value specified to the offset specified. | |
482 | */ | |
f7ee1874 HZ |
483 | void amdgpu_device_wreg(struct amdgpu_device *adev, |
484 | uint32_t reg, uint32_t v, | |
485 | uint32_t acc_flags) | |
d38ceaf9 | 486 | { |
56b53c0b | 487 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
488 | return; |
489 | ||
f7ee1874 HZ |
490 | if ((reg * 4) < adev->rmmio_size) { |
491 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
492 | amdgpu_sriov_runtime(adev) && | |
493 | down_read_trylock(&adev->reset_sem)) { | |
494 | amdgpu_kiq_wreg(adev, reg, v); | |
495 | up_read(&adev->reset_sem); | |
496 | } else { | |
497 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
498 | } | |
499 | } else { | |
500 | adev->pcie_wreg(adev, reg * 4, v); | |
81202807 | 501 | } |
bc992ba5 | 502 | |
f7ee1874 | 503 | trace_amdgpu_device_wreg(adev->pdev->device, reg, v); |
2e0cc4d4 | 504 | } |
d38ceaf9 | 505 | |
2e0cc4d4 ML |
506 | /* |
507 | * amdgpu_mm_wreg_mmio_rlc - write register either with mmio or with RLC path if in range | |
508 | * | |
509 | * this function is invoked only the debugfs register access | |
510 | * */ | |
f7ee1874 HZ |
511 | void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, |
512 | uint32_t reg, uint32_t v) | |
2e0cc4d4 | 513 | { |
56b53c0b | 514 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
515 | return; |
516 | ||
2e0cc4d4 | 517 | if (amdgpu_sriov_fullaccess(adev) && |
f7ee1874 HZ |
518 | adev->gfx.rlc.funcs && |
519 | adev->gfx.rlc.funcs->is_rlcg_access_range) { | |
2e0cc4d4 | 520 | if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) |
a5504e9a | 521 | return adev->gfx.rlc.funcs->rlcg_wreg(adev, reg, v, 0, 0); |
f7ee1874 HZ |
522 | } else { |
523 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
47ed4e1c | 524 | } |
d38ceaf9 AD |
525 | } |
526 | ||
d38ceaf9 AD |
527 | /** |
528 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
529 | * | |
530 | * @adev: amdgpu_device pointer | |
531 | * @index: doorbell index | |
532 | * | |
533 | * Returns the value in the doorbell aperture at the | |
534 | * requested doorbell index (CIK). | |
535 | */ | |
536 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
537 | { | |
56b53c0b | 538 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
539 | return 0; |
540 | ||
d38ceaf9 AD |
541 | if (index < adev->doorbell.num_doorbells) { |
542 | return readl(adev->doorbell.ptr + index); | |
543 | } else { | |
544 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
545 | return 0; | |
546 | } | |
547 | } | |
548 | ||
549 | /** | |
550 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
551 | * | |
552 | * @adev: amdgpu_device pointer | |
553 | * @index: doorbell index | |
554 | * @v: value to write | |
555 | * | |
556 | * Writes @v to the doorbell aperture at the | |
557 | * requested doorbell index (CIK). | |
558 | */ | |
559 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
560 | { | |
56b53c0b | 561 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
562 | return; |
563 | ||
d38ceaf9 AD |
564 | if (index < adev->doorbell.num_doorbells) { |
565 | writel(v, adev->doorbell.ptr + index); | |
566 | } else { | |
567 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
568 | } | |
569 | } | |
570 | ||
832be404 KW |
571 | /** |
572 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
573 | * | |
574 | * @adev: amdgpu_device pointer | |
575 | * @index: doorbell index | |
576 | * | |
577 | * Returns the value in the doorbell aperture at the | |
578 | * requested doorbell index (VEGA10+). | |
579 | */ | |
580 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
581 | { | |
56b53c0b | 582 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
583 | return 0; |
584 | ||
832be404 KW |
585 | if (index < adev->doorbell.num_doorbells) { |
586 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
587 | } else { | |
588 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
589 | return 0; | |
590 | } | |
591 | } | |
592 | ||
593 | /** | |
594 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
595 | * | |
596 | * @adev: amdgpu_device pointer | |
597 | * @index: doorbell index | |
598 | * @v: value to write | |
599 | * | |
600 | * Writes @v to the doorbell aperture at the | |
601 | * requested doorbell index (VEGA10+). | |
602 | */ | |
603 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
604 | { | |
56b53c0b | 605 | if (amdgpu_device_skip_hw_access(adev)) |
bf36b52e AG |
606 | return; |
607 | ||
832be404 KW |
608 | if (index < adev->doorbell.num_doorbells) { |
609 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
610 | } else { | |
611 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
612 | } | |
613 | } | |
614 | ||
1bba3683 HZ |
615 | /** |
616 | * amdgpu_device_indirect_rreg - read an indirect register | |
617 | * | |
618 | * @adev: amdgpu_device pointer | |
619 | * @pcie_index: mmio register offset | |
620 | * @pcie_data: mmio register offset | |
22f453fb | 621 | * @reg_addr: indirect register address to read from |
1bba3683 HZ |
622 | * |
623 | * Returns the value of indirect register @reg_addr | |
624 | */ | |
625 | u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev, | |
626 | u32 pcie_index, u32 pcie_data, | |
627 | u32 reg_addr) | |
628 | { | |
629 | unsigned long flags; | |
630 | u32 r; | |
631 | void __iomem *pcie_index_offset; | |
632 | void __iomem *pcie_data_offset; | |
633 | ||
634 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
635 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
636 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
637 | ||
638 | writel(reg_addr, pcie_index_offset); | |
639 | readl(pcie_index_offset); | |
640 | r = readl(pcie_data_offset); | |
641 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
642 | ||
643 | return r; | |
644 | } | |
645 | ||
646 | /** | |
647 | * amdgpu_device_indirect_rreg64 - read a 64bits indirect register | |
648 | * | |
649 | * @adev: amdgpu_device pointer | |
650 | * @pcie_index: mmio register offset | |
651 | * @pcie_data: mmio register offset | |
22f453fb | 652 | * @reg_addr: indirect register address to read from |
1bba3683 HZ |
653 | * |
654 | * Returns the value of indirect register @reg_addr | |
655 | */ | |
656 | u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev, | |
657 | u32 pcie_index, u32 pcie_data, | |
658 | u32 reg_addr) | |
659 | { | |
660 | unsigned long flags; | |
661 | u64 r; | |
662 | void __iomem *pcie_index_offset; | |
663 | void __iomem *pcie_data_offset; | |
664 | ||
665 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
666 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
667 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
668 | ||
669 | /* read low 32 bits */ | |
670 | writel(reg_addr, pcie_index_offset); | |
671 | readl(pcie_index_offset); | |
672 | r = readl(pcie_data_offset); | |
673 | /* read high 32 bits */ | |
674 | writel(reg_addr + 4, pcie_index_offset); | |
675 | readl(pcie_index_offset); | |
676 | r |= ((u64)readl(pcie_data_offset) << 32); | |
677 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
678 | ||
679 | return r; | |
680 | } | |
681 | ||
682 | /** | |
683 | * amdgpu_device_indirect_wreg - write an indirect register address | |
684 | * | |
685 | * @adev: amdgpu_device pointer | |
686 | * @pcie_index: mmio register offset | |
687 | * @pcie_data: mmio register offset | |
688 | * @reg_addr: indirect register offset | |
689 | * @reg_data: indirect register data | |
690 | * | |
691 | */ | |
692 | void amdgpu_device_indirect_wreg(struct amdgpu_device *adev, | |
693 | u32 pcie_index, u32 pcie_data, | |
694 | u32 reg_addr, u32 reg_data) | |
695 | { | |
696 | unsigned long flags; | |
697 | void __iomem *pcie_index_offset; | |
698 | void __iomem *pcie_data_offset; | |
699 | ||
700 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
701 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
702 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
703 | ||
704 | writel(reg_addr, pcie_index_offset); | |
705 | readl(pcie_index_offset); | |
706 | writel(reg_data, pcie_data_offset); | |
707 | readl(pcie_data_offset); | |
708 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
709 | } | |
710 | ||
711 | /** | |
712 | * amdgpu_device_indirect_wreg64 - write a 64bits indirect register address | |
713 | * | |
714 | * @adev: amdgpu_device pointer | |
715 | * @pcie_index: mmio register offset | |
716 | * @pcie_data: mmio register offset | |
717 | * @reg_addr: indirect register offset | |
718 | * @reg_data: indirect register data | |
719 | * | |
720 | */ | |
721 | void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev, | |
722 | u32 pcie_index, u32 pcie_data, | |
723 | u32 reg_addr, u64 reg_data) | |
724 | { | |
725 | unsigned long flags; | |
726 | void __iomem *pcie_index_offset; | |
727 | void __iomem *pcie_data_offset; | |
728 | ||
729 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
730 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
731 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
732 | ||
733 | /* write low 32 bits */ | |
734 | writel(reg_addr, pcie_index_offset); | |
735 | readl(pcie_index_offset); | |
736 | writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset); | |
737 | readl(pcie_data_offset); | |
738 | /* write high 32 bits */ | |
739 | writel(reg_addr + 4, pcie_index_offset); | |
740 | readl(pcie_index_offset); | |
741 | writel((u32)(reg_data >> 32), pcie_data_offset); | |
742 | readl(pcie_data_offset); | |
743 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
744 | } | |
745 | ||
d38ceaf9 AD |
746 | /** |
747 | * amdgpu_invalid_rreg - dummy reg read function | |
748 | * | |
982a820b | 749 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
750 | * @reg: offset of register |
751 | * | |
752 | * Dummy register read function. Used for register blocks | |
753 | * that certain asics don't have (all asics). | |
754 | * Returns the value in the register. | |
755 | */ | |
756 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
757 | { | |
758 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
759 | BUG(); | |
760 | return 0; | |
761 | } | |
762 | ||
763 | /** | |
764 | * amdgpu_invalid_wreg - dummy reg write function | |
765 | * | |
982a820b | 766 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
767 | * @reg: offset of register |
768 | * @v: value to write to the register | |
769 | * | |
770 | * Dummy register read function. Used for register blocks | |
771 | * that certain asics don't have (all asics). | |
772 | */ | |
773 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
774 | { | |
775 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
776 | reg, v); | |
777 | BUG(); | |
778 | } | |
779 | ||
4fa1c6a6 TZ |
780 | /** |
781 | * amdgpu_invalid_rreg64 - dummy 64 bit reg read function | |
782 | * | |
982a820b | 783 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
784 | * @reg: offset of register |
785 | * | |
786 | * Dummy register read function. Used for register blocks | |
787 | * that certain asics don't have (all asics). | |
788 | * Returns the value in the register. | |
789 | */ | |
790 | static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) | |
791 | { | |
792 | DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg); | |
793 | BUG(); | |
794 | return 0; | |
795 | } | |
796 | ||
797 | /** | |
798 | * amdgpu_invalid_wreg64 - dummy reg write function | |
799 | * | |
982a820b | 800 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
801 | * @reg: offset of register |
802 | * @v: value to write to the register | |
803 | * | |
804 | * Dummy register read function. Used for register blocks | |
805 | * that certain asics don't have (all asics). | |
806 | */ | |
807 | static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) | |
808 | { | |
809 | DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", | |
810 | reg, v); | |
811 | BUG(); | |
812 | } | |
813 | ||
d38ceaf9 AD |
814 | /** |
815 | * amdgpu_block_invalid_rreg - dummy reg read function | |
816 | * | |
982a820b | 817 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
818 | * @block: offset of instance |
819 | * @reg: offset of register | |
820 | * | |
821 | * Dummy register read function. Used for register blocks | |
822 | * that certain asics don't have (all asics). | |
823 | * Returns the value in the register. | |
824 | */ | |
825 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
826 | uint32_t block, uint32_t reg) | |
827 | { | |
828 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
829 | reg, block); | |
830 | BUG(); | |
831 | return 0; | |
832 | } | |
833 | ||
834 | /** | |
835 | * amdgpu_block_invalid_wreg - dummy reg write function | |
836 | * | |
982a820b | 837 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
838 | * @block: offset of instance |
839 | * @reg: offset of register | |
840 | * @v: value to write to the register | |
841 | * | |
842 | * Dummy register read function. Used for register blocks | |
843 | * that certain asics don't have (all asics). | |
844 | */ | |
845 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
846 | uint32_t block, | |
847 | uint32_t reg, uint32_t v) | |
848 | { | |
849 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
850 | reg, block, v); | |
851 | BUG(); | |
852 | } | |
853 | ||
4d2997ab AD |
854 | /** |
855 | * amdgpu_device_asic_init - Wrapper for atom asic_init | |
856 | * | |
982a820b | 857 | * @adev: amdgpu_device pointer |
4d2997ab AD |
858 | * |
859 | * Does any asic specific work and then calls atom asic init. | |
860 | */ | |
861 | static int amdgpu_device_asic_init(struct amdgpu_device *adev) | |
862 | { | |
863 | amdgpu_asic_pre_asic_init(adev); | |
864 | ||
865 | return amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
866 | } | |
867 | ||
e3ecdffa AD |
868 | /** |
869 | * amdgpu_device_vram_scratch_init - allocate the VRAM scratch page | |
870 | * | |
982a820b | 871 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
872 | * |
873 | * Allocates a scratch page of VRAM for use by various things in the | |
874 | * driver. | |
875 | */ | |
06ec9070 | 876 | static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) |
d38ceaf9 | 877 | { |
a4a02777 CK |
878 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
879 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, | |
880 | &adev->vram_scratch.robj, | |
881 | &adev->vram_scratch.gpu_addr, | |
882 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
883 | } |
884 | ||
e3ecdffa AD |
885 | /** |
886 | * amdgpu_device_vram_scratch_fini - Free the VRAM scratch page | |
887 | * | |
982a820b | 888 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
889 | * |
890 | * Frees the VRAM scratch page. | |
891 | */ | |
06ec9070 | 892 | static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev) |
d38ceaf9 | 893 | { |
078af1a3 | 894 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
895 | } |
896 | ||
897 | /** | |
9c3f2b54 | 898 | * amdgpu_device_program_register_sequence - program an array of registers. |
d38ceaf9 AD |
899 | * |
900 | * @adev: amdgpu_device pointer | |
901 | * @registers: pointer to the register array | |
902 | * @array_size: size of the register array | |
903 | * | |
904 | * Programs an array or registers with and and or masks. | |
905 | * This is a helper for setting golden registers. | |
906 | */ | |
9c3f2b54 AD |
907 | void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, |
908 | const u32 *registers, | |
909 | const u32 array_size) | |
d38ceaf9 AD |
910 | { |
911 | u32 tmp, reg, and_mask, or_mask; | |
912 | int i; | |
913 | ||
914 | if (array_size % 3) | |
915 | return; | |
916 | ||
917 | for (i = 0; i < array_size; i +=3) { | |
918 | reg = registers[i + 0]; | |
919 | and_mask = registers[i + 1]; | |
920 | or_mask = registers[i + 2]; | |
921 | ||
922 | if (and_mask == 0xffffffff) { | |
923 | tmp = or_mask; | |
924 | } else { | |
925 | tmp = RREG32(reg); | |
926 | tmp &= ~and_mask; | |
e0d07657 HZ |
927 | if (adev->family >= AMDGPU_FAMILY_AI) |
928 | tmp |= (or_mask & and_mask); | |
929 | else | |
930 | tmp |= or_mask; | |
d38ceaf9 AD |
931 | } |
932 | WREG32(reg, tmp); | |
933 | } | |
934 | } | |
935 | ||
e3ecdffa AD |
936 | /** |
937 | * amdgpu_device_pci_config_reset - reset the GPU | |
938 | * | |
939 | * @adev: amdgpu_device pointer | |
940 | * | |
941 | * Resets the GPU using the pci config reset sequence. | |
942 | * Only applicable to asics prior to vega10. | |
943 | */ | |
8111c387 | 944 | void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) |
d38ceaf9 AD |
945 | { |
946 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
947 | } | |
948 | ||
af484df8 AD |
949 | /** |
950 | * amdgpu_device_pci_reset - reset the GPU using generic PCI means | |
951 | * | |
952 | * @adev: amdgpu_device pointer | |
953 | * | |
954 | * Resets the GPU using generic pci reset interfaces (FLR, SBR, etc.). | |
955 | */ | |
956 | int amdgpu_device_pci_reset(struct amdgpu_device *adev) | |
957 | { | |
958 | return pci_reset_function(adev->pdev); | |
959 | } | |
960 | ||
d38ceaf9 AD |
961 | /* |
962 | * GPU doorbell aperture helpers function. | |
963 | */ | |
964 | /** | |
06ec9070 | 965 | * amdgpu_device_doorbell_init - Init doorbell driver information. |
d38ceaf9 AD |
966 | * |
967 | * @adev: amdgpu_device pointer | |
968 | * | |
969 | * Init doorbell driver information (CIK) | |
970 | * Returns 0 on success, error on failure. | |
971 | */ | |
06ec9070 | 972 | static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) |
d38ceaf9 | 973 | { |
6585661d | 974 | |
705e519e CK |
975 | /* No doorbell on SI hardware generation */ |
976 | if (adev->asic_type < CHIP_BONAIRE) { | |
977 | adev->doorbell.base = 0; | |
978 | adev->doorbell.size = 0; | |
979 | adev->doorbell.num_doorbells = 0; | |
980 | adev->doorbell.ptr = NULL; | |
981 | return 0; | |
982 | } | |
983 | ||
d6895ad3 CK |
984 | if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) |
985 | return -EINVAL; | |
986 | ||
22357775 AD |
987 | amdgpu_asic_init_doorbell_index(adev); |
988 | ||
d38ceaf9 AD |
989 | /* doorbell bar mapping */ |
990 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
991 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
992 | ||
edf600da | 993 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
9564f192 | 994 | adev->doorbell_index.max_assignment+1); |
d38ceaf9 AD |
995 | if (adev->doorbell.num_doorbells == 0) |
996 | return -EINVAL; | |
997 | ||
ec3db8a6 | 998 | /* For Vega, reserve and map two pages on doorbell BAR since SDMA |
88dc26e4 OZ |
999 | * paging queue doorbell use the second page. The |
1000 | * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the | |
1001 | * doorbells are in the first page. So with paging queue enabled, | |
1002 | * the max num_doorbells should + 1 page (0x400 in dword) | |
ec3db8a6 PY |
1003 | */ |
1004 | if (adev->asic_type >= CHIP_VEGA10) | |
88dc26e4 | 1005 | adev->doorbell.num_doorbells += 0x400; |
ec3db8a6 | 1006 | |
8972e5d2 CK |
1007 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
1008 | adev->doorbell.num_doorbells * | |
1009 | sizeof(u32)); | |
1010 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 1011 | return -ENOMEM; |
d38ceaf9 AD |
1012 | |
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | /** | |
06ec9070 | 1017 | * amdgpu_device_doorbell_fini - Tear down doorbell driver information. |
d38ceaf9 AD |
1018 | * |
1019 | * @adev: amdgpu_device pointer | |
1020 | * | |
1021 | * Tear down doorbell driver information (CIK) | |
1022 | */ | |
06ec9070 | 1023 | static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
1024 | { |
1025 | iounmap(adev->doorbell.ptr); | |
1026 | adev->doorbell.ptr = NULL; | |
1027 | } | |
1028 | ||
22cb0164 | 1029 | |
d38ceaf9 AD |
1030 | |
1031 | /* | |
06ec9070 | 1032 | * amdgpu_device_wb_*() |
455a7bc2 | 1033 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 1034 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
1035 | */ |
1036 | ||
1037 | /** | |
06ec9070 | 1038 | * amdgpu_device_wb_fini - Disable Writeback and free memory |
d38ceaf9 AD |
1039 | * |
1040 | * @adev: amdgpu_device pointer | |
1041 | * | |
1042 | * Disables Writeback and frees the Writeback memory (all asics). | |
1043 | * Used at driver shutdown. | |
1044 | */ | |
06ec9070 | 1045 | static void amdgpu_device_wb_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
1046 | { |
1047 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
1048 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
1049 | &adev->wb.gpu_addr, | |
1050 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1051 | adev->wb.wb_obj = NULL; |
1052 | } | |
1053 | } | |
1054 | ||
1055 | /** | |
06ec9070 | 1056 | * amdgpu_device_wb_init- Init Writeback driver info and allocate memory |
d38ceaf9 AD |
1057 | * |
1058 | * @adev: amdgpu_device pointer | |
1059 | * | |
455a7bc2 | 1060 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
1061 | * Used at driver startup. |
1062 | * Returns 0 on success or an -error on failure. | |
1063 | */ | |
06ec9070 | 1064 | static int amdgpu_device_wb_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
1065 | { |
1066 | int r; | |
1067 | ||
1068 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
1069 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
1070 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
1071 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
1072 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
1073 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1074 | if (r) { |
1075 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
1076 | return r; | |
1077 | } | |
d38ceaf9 AD |
1078 | |
1079 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
1080 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
1081 | ||
1082 | /* clear wb memory */ | |
73469585 | 1083 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8); |
d38ceaf9 AD |
1084 | } |
1085 | ||
1086 | return 0; | |
1087 | } | |
1088 | ||
1089 | /** | |
131b4b36 | 1090 | * amdgpu_device_wb_get - Allocate a wb entry |
d38ceaf9 AD |
1091 | * |
1092 | * @adev: amdgpu_device pointer | |
1093 | * @wb: wb index | |
1094 | * | |
1095 | * Allocate a wb slot for use by the driver (all asics). | |
1096 | * Returns 0 on success or -EINVAL on failure. | |
1097 | */ | |
131b4b36 | 1098 | int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) |
d38ceaf9 AD |
1099 | { |
1100 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 1101 | |
97407b63 | 1102 | if (offset < adev->wb.num_wb) { |
7014285a | 1103 | __set_bit(offset, adev->wb.used); |
63ae07ca | 1104 | *wb = offset << 3; /* convert to dw offset */ |
0915fdbc ML |
1105 | return 0; |
1106 | } else { | |
1107 | return -EINVAL; | |
1108 | } | |
1109 | } | |
1110 | ||
d38ceaf9 | 1111 | /** |
131b4b36 | 1112 | * amdgpu_device_wb_free - Free a wb entry |
d38ceaf9 AD |
1113 | * |
1114 | * @adev: amdgpu_device pointer | |
1115 | * @wb: wb index | |
1116 | * | |
1117 | * Free a wb slot allocated for use by the driver (all asics) | |
1118 | */ | |
131b4b36 | 1119 | void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) |
d38ceaf9 | 1120 | { |
73469585 | 1121 | wb >>= 3; |
d38ceaf9 | 1122 | if (wb < adev->wb.num_wb) |
73469585 | 1123 | __clear_bit(wb, adev->wb.used); |
d38ceaf9 AD |
1124 | } |
1125 | ||
d6895ad3 CK |
1126 | /** |
1127 | * amdgpu_device_resize_fb_bar - try to resize FB BAR | |
1128 | * | |
1129 | * @adev: amdgpu_device pointer | |
1130 | * | |
1131 | * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not | |
1132 | * to fail, but if any of the BARs is not accessible after the size we abort | |
1133 | * driver loading by returning -ENODEV. | |
1134 | */ | |
1135 | int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) | |
1136 | { | |
453f617a | 1137 | int rbar_size = pci_rebar_bytes_to_size(adev->gmc.real_vram_size); |
31b8adab CK |
1138 | struct pci_bus *root; |
1139 | struct resource *res; | |
1140 | unsigned i; | |
d6895ad3 CK |
1141 | u16 cmd; |
1142 | int r; | |
1143 | ||
0c03b912 | 1144 | /* Bypass for VF */ |
1145 | if (amdgpu_sriov_vf(adev)) | |
1146 | return 0; | |
1147 | ||
b7221f2b AD |
1148 | /* skip if the bios has already enabled large BAR */ |
1149 | if (adev->gmc.real_vram_size && | |
1150 | (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) | |
1151 | return 0; | |
1152 | ||
31b8adab CK |
1153 | /* Check if the root BUS has 64bit memory resources */ |
1154 | root = adev->pdev->bus; | |
1155 | while (root->parent) | |
1156 | root = root->parent; | |
1157 | ||
1158 | pci_bus_for_each_resource(root, res, i) { | |
0ebb7c54 | 1159 | if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && |
31b8adab CK |
1160 | res->start > 0x100000000ull) |
1161 | break; | |
1162 | } | |
1163 | ||
1164 | /* Trying to resize is pointless without a root hub window above 4GB */ | |
1165 | if (!res) | |
1166 | return 0; | |
1167 | ||
453f617a ND |
1168 | /* Limit the BAR size to what is available */ |
1169 | rbar_size = min(fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1, | |
1170 | rbar_size); | |
1171 | ||
d6895ad3 CK |
1172 | /* Disable memory decoding while we change the BAR addresses and size */ |
1173 | pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); | |
1174 | pci_write_config_word(adev->pdev, PCI_COMMAND, | |
1175 | cmd & ~PCI_COMMAND_MEMORY); | |
1176 | ||
1177 | /* Free the VRAM and doorbell BAR, we most likely need to move both. */ | |
06ec9070 | 1178 | amdgpu_device_doorbell_fini(adev); |
d6895ad3 CK |
1179 | if (adev->asic_type >= CHIP_BONAIRE) |
1180 | pci_release_resource(adev->pdev, 2); | |
1181 | ||
1182 | pci_release_resource(adev->pdev, 0); | |
1183 | ||
1184 | r = pci_resize_resource(adev->pdev, 0, rbar_size); | |
1185 | if (r == -ENOSPC) | |
1186 | DRM_INFO("Not enough PCI address space for a large BAR."); | |
1187 | else if (r && r != -ENOTSUPP) | |
1188 | DRM_ERROR("Problem resizing BAR0 (%d).", r); | |
1189 | ||
1190 | pci_assign_unassigned_bus_resources(adev->pdev->bus); | |
1191 | ||
1192 | /* When the doorbell or fb BAR isn't available we have no chance of | |
1193 | * using the device. | |
1194 | */ | |
06ec9070 | 1195 | r = amdgpu_device_doorbell_init(adev); |
d6895ad3 CK |
1196 | if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) |
1197 | return -ENODEV; | |
1198 | ||
1199 | pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); | |
1200 | ||
1201 | return 0; | |
1202 | } | |
a05502e5 | 1203 | |
d38ceaf9 AD |
1204 | /* |
1205 | * GPU helpers function. | |
1206 | */ | |
1207 | /** | |
39c640c0 | 1208 | * amdgpu_device_need_post - check if the hw need post or not |
d38ceaf9 AD |
1209 | * |
1210 | * @adev: amdgpu_device pointer | |
1211 | * | |
c836fec5 JQ |
1212 | * Check if the asic has been initialized (all asics) at driver startup |
1213 | * or post is needed if hw reset is performed. | |
1214 | * Returns true if need or false if not. | |
d38ceaf9 | 1215 | */ |
39c640c0 | 1216 | bool amdgpu_device_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
1217 | { |
1218 | uint32_t reg; | |
1219 | ||
bec86378 ML |
1220 | if (amdgpu_sriov_vf(adev)) |
1221 | return false; | |
1222 | ||
1223 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
1224 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
1225 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
1226 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
1227 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
1228 | */ |
1229 | if (adev->asic_type == CHIP_FIJI) { | |
1230 | int err; | |
1231 | uint32_t fw_ver; | |
1232 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
1233 | /* force vPost if error occured */ | |
1234 | if (err) | |
1235 | return true; | |
1236 | ||
1237 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
1238 | if (fw_ver < 0x00160e00) |
1239 | return true; | |
bec86378 | 1240 | } |
bec86378 | 1241 | } |
91fe77eb | 1242 | |
e3c1b071 | 1243 | /* Don't post if we need to reset whole hive on init */ |
1244 | if (adev->gmc.xgmi.pending_reset) | |
1245 | return false; | |
1246 | ||
91fe77eb | 1247 | if (adev->has_hw_reset) { |
1248 | adev->has_hw_reset = false; | |
1249 | return true; | |
1250 | } | |
1251 | ||
1252 | /* bios scratch used on CIK+ */ | |
1253 | if (adev->asic_type >= CHIP_BONAIRE) | |
1254 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
1255 | ||
1256 | /* check MEM_SIZE for older asics */ | |
1257 | reg = amdgpu_asic_get_config_memsize(adev); | |
1258 | ||
1259 | if ((reg != 0) && (reg != 0xffffffff)) | |
1260 | return false; | |
1261 | ||
1262 | return true; | |
bec86378 ML |
1263 | } |
1264 | ||
d38ceaf9 AD |
1265 | /* if we get transitioned to only one device, take VGA back */ |
1266 | /** | |
06ec9070 | 1267 | * amdgpu_device_vga_set_decode - enable/disable vga decode |
d38ceaf9 AD |
1268 | * |
1269 | * @cookie: amdgpu_device pointer | |
1270 | * @state: enable/disable vga decode | |
1271 | * | |
1272 | * Enable/disable vga decode (all asics). | |
1273 | * Returns VGA resource flags. | |
1274 | */ | |
06ec9070 | 1275 | static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state) |
d38ceaf9 AD |
1276 | { |
1277 | struct amdgpu_device *adev = cookie; | |
1278 | amdgpu_asic_set_vga_state(adev, state); | |
1279 | if (state) | |
1280 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1281 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1282 | else | |
1283 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1284 | } | |
1285 | ||
e3ecdffa AD |
1286 | /** |
1287 | * amdgpu_device_check_block_size - validate the vm block size | |
1288 | * | |
1289 | * @adev: amdgpu_device pointer | |
1290 | * | |
1291 | * Validates the vm block size specified via module parameter. | |
1292 | * The vm block size defines number of bits in page table versus page directory, | |
1293 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1294 | * page table and the remaining bits are in the page directory. | |
1295 | */ | |
06ec9070 | 1296 | static void amdgpu_device_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1297 | { |
1298 | /* defines number of bits in page table versus page directory, | |
1299 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1300 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
1301 | if (amdgpu_vm_block_size == -1) |
1302 | return; | |
a1adf8be | 1303 | |
bab4fee7 | 1304 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1305 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1306 | amdgpu_vm_block_size); | |
97489129 | 1307 | amdgpu_vm_block_size = -1; |
a1adf8be | 1308 | } |
a1adf8be CZ |
1309 | } |
1310 | ||
e3ecdffa AD |
1311 | /** |
1312 | * amdgpu_device_check_vm_size - validate the vm size | |
1313 | * | |
1314 | * @adev: amdgpu_device pointer | |
1315 | * | |
1316 | * Validates the vm size in GB specified via module parameter. | |
1317 | * The VM size is the size of the GPU virtual memory space in GB. | |
1318 | */ | |
06ec9070 | 1319 | static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) |
83ca145d | 1320 | { |
64dab074 AD |
1321 | /* no need to check the default value */ |
1322 | if (amdgpu_vm_size == -1) | |
1323 | return; | |
1324 | ||
83ca145d ZJ |
1325 | if (amdgpu_vm_size < 1) { |
1326 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1327 | amdgpu_vm_size); | |
f3368128 | 1328 | amdgpu_vm_size = -1; |
83ca145d | 1329 | } |
83ca145d ZJ |
1330 | } |
1331 | ||
7951e376 RZ |
1332 | static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) |
1333 | { | |
1334 | struct sysinfo si; | |
a9d4fe2f | 1335 | bool is_os_64 = (sizeof(void *) == 8); |
7951e376 RZ |
1336 | uint64_t total_memory; |
1337 | uint64_t dram_size_seven_GB = 0x1B8000000; | |
1338 | uint64_t dram_size_three_GB = 0xB8000000; | |
1339 | ||
1340 | if (amdgpu_smu_memory_pool_size == 0) | |
1341 | return; | |
1342 | ||
1343 | if (!is_os_64) { | |
1344 | DRM_WARN("Not 64-bit OS, feature not supported\n"); | |
1345 | goto def_value; | |
1346 | } | |
1347 | si_meminfo(&si); | |
1348 | total_memory = (uint64_t)si.totalram * si.mem_unit; | |
1349 | ||
1350 | if ((amdgpu_smu_memory_pool_size == 1) || | |
1351 | (amdgpu_smu_memory_pool_size == 2)) { | |
1352 | if (total_memory < dram_size_three_GB) | |
1353 | goto def_value1; | |
1354 | } else if ((amdgpu_smu_memory_pool_size == 4) || | |
1355 | (amdgpu_smu_memory_pool_size == 8)) { | |
1356 | if (total_memory < dram_size_seven_GB) | |
1357 | goto def_value1; | |
1358 | } else { | |
1359 | DRM_WARN("Smu memory pool size not supported\n"); | |
1360 | goto def_value; | |
1361 | } | |
1362 | adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; | |
1363 | ||
1364 | return; | |
1365 | ||
1366 | def_value1: | |
1367 | DRM_WARN("No enough system memory\n"); | |
1368 | def_value: | |
1369 | adev->pm.smu_prv_buffer_size = 0; | |
1370 | } | |
1371 | ||
9f6a7857 HR |
1372 | static int amdgpu_device_init_apu_flags(struct amdgpu_device *adev) |
1373 | { | |
1374 | if (!(adev->flags & AMD_IS_APU) || | |
1375 | adev->asic_type < CHIP_RAVEN) | |
1376 | return 0; | |
1377 | ||
1378 | switch (adev->asic_type) { | |
1379 | case CHIP_RAVEN: | |
1380 | if (adev->pdev->device == 0x15dd) | |
1381 | adev->apu_flags |= AMD_APU_IS_RAVEN; | |
1382 | if (adev->pdev->device == 0x15d8) | |
1383 | adev->apu_flags |= AMD_APU_IS_PICASSO; | |
1384 | break; | |
1385 | case CHIP_RENOIR: | |
1386 | if ((adev->pdev->device == 0x1636) || | |
1387 | (adev->pdev->device == 0x164c)) | |
1388 | adev->apu_flags |= AMD_APU_IS_RENOIR; | |
1389 | else | |
1390 | adev->apu_flags |= AMD_APU_IS_GREEN_SARDINE; | |
1391 | break; | |
1392 | case CHIP_VANGOGH: | |
1393 | adev->apu_flags |= AMD_APU_IS_VANGOGH; | |
1394 | break; | |
1395 | case CHIP_YELLOW_CARP: | |
1396 | break; | |
1397 | default: | |
1398 | return -EINVAL; | |
1399 | } | |
1400 | ||
1401 | return 0; | |
1402 | } | |
1403 | ||
d38ceaf9 | 1404 | /** |
06ec9070 | 1405 | * amdgpu_device_check_arguments - validate module params |
d38ceaf9 AD |
1406 | * |
1407 | * @adev: amdgpu_device pointer | |
1408 | * | |
1409 | * Validates certain module parameters and updates | |
1410 | * the associated values used by the driver (all asics). | |
1411 | */ | |
912dfc84 | 1412 | static int amdgpu_device_check_arguments(struct amdgpu_device *adev) |
d38ceaf9 | 1413 | { |
5b011235 CZ |
1414 | if (amdgpu_sched_jobs < 4) { |
1415 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1416 | amdgpu_sched_jobs); | |
1417 | amdgpu_sched_jobs = 4; | |
76117507 | 1418 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
1419 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1420 | amdgpu_sched_jobs); | |
1421 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1422 | } | |
d38ceaf9 | 1423 | |
83e74db6 | 1424 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1425 | /* gart size must be greater or equal to 32M */ |
1426 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1427 | amdgpu_gart_size); | |
83e74db6 | 1428 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1429 | } |
1430 | ||
36d38372 | 1431 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1432 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1433 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1434 | amdgpu_gtt_size); | |
1435 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1436 | } |
1437 | ||
d07f14be RH |
1438 | /* valid range is between 4 and 9 inclusive */ |
1439 | if (amdgpu_vm_fragment_size != -1 && | |
1440 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1441 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1442 | amdgpu_vm_fragment_size = -1; | |
1443 | } | |
1444 | ||
5d5bd5e3 KW |
1445 | if (amdgpu_sched_hw_submission < 2) { |
1446 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be at least 2\n", | |
1447 | amdgpu_sched_hw_submission); | |
1448 | amdgpu_sched_hw_submission = 2; | |
1449 | } else if (!is_power_of_2(amdgpu_sched_hw_submission)) { | |
1450 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be a power of 2\n", | |
1451 | amdgpu_sched_hw_submission); | |
1452 | amdgpu_sched_hw_submission = roundup_pow_of_two(amdgpu_sched_hw_submission); | |
1453 | } | |
1454 | ||
7951e376 RZ |
1455 | amdgpu_device_check_smu_prv_buffer_size(adev); |
1456 | ||
06ec9070 | 1457 | amdgpu_device_check_vm_size(adev); |
d38ceaf9 | 1458 | |
06ec9070 | 1459 | amdgpu_device_check_block_size(adev); |
6a7f76e7 | 1460 | |
19aede77 | 1461 | adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); |
912dfc84 | 1462 | |
c6252390 | 1463 | amdgpu_gmc_tmz_set(adev); |
01a8dcec | 1464 | |
9b498efa AD |
1465 | amdgpu_gmc_noretry_set(adev); |
1466 | ||
e3c00faa | 1467 | return 0; |
d38ceaf9 AD |
1468 | } |
1469 | ||
1470 | /** | |
1471 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1472 | * | |
1473 | * @pdev: pci dev pointer | |
1694467b | 1474 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1475 | * |
1476 | * Callback for the switcheroo driver. Suspends or resumes the | |
1477 | * the asics before or after it is powered up using ACPI methods. | |
1478 | */ | |
8aba21b7 LT |
1479 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, |
1480 | enum vga_switcheroo_state state) | |
d38ceaf9 AD |
1481 | { |
1482 | struct drm_device *dev = pci_get_drvdata(pdev); | |
de185019 | 1483 | int r; |
d38ceaf9 | 1484 | |
b98c6299 | 1485 | if (amdgpu_device_supports_px(dev) && state == VGA_SWITCHEROO_OFF) |
d38ceaf9 AD |
1486 | return; |
1487 | ||
1488 | if (state == VGA_SWITCHEROO_ON) { | |
dd4fa6c1 | 1489 | pr_info("switched on\n"); |
d38ceaf9 AD |
1490 | /* don't suspend or resume card normally */ |
1491 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1492 | ||
8f66090b TZ |
1493 | pci_set_power_state(pdev, PCI_D0); |
1494 | amdgpu_device_load_pci_state(pdev); | |
1495 | r = pci_enable_device(pdev); | |
de185019 AD |
1496 | if (r) |
1497 | DRM_WARN("pci_enable_device failed (%d)\n", r); | |
1498 | amdgpu_device_resume(dev, true); | |
d38ceaf9 | 1499 | |
d38ceaf9 | 1500 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
d38ceaf9 | 1501 | } else { |
dd4fa6c1 | 1502 | pr_info("switched off\n"); |
d38ceaf9 | 1503 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; |
de185019 | 1504 | amdgpu_device_suspend(dev, true); |
8f66090b | 1505 | amdgpu_device_cache_pci_state(pdev); |
de185019 | 1506 | /* Shut down the device */ |
8f66090b TZ |
1507 | pci_disable_device(pdev); |
1508 | pci_set_power_state(pdev, PCI_D3cold); | |
d38ceaf9 AD |
1509 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1510 | } | |
1511 | } | |
1512 | ||
1513 | /** | |
1514 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1515 | * | |
1516 | * @pdev: pci dev pointer | |
1517 | * | |
1518 | * Callback for the switcheroo driver. Check of the switcheroo | |
1519 | * state can be changed. | |
1520 | * Returns true if the state can be changed, false if not. | |
1521 | */ | |
1522 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1523 | { | |
1524 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1525 | ||
1526 | /* | |
1527 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1528 | * locking inversion with the driver load path. And the access here is | |
1529 | * completely racy anyway. So don't bother with locking for now. | |
1530 | */ | |
7e13ad89 | 1531 | return atomic_read(&dev->open_count) == 0; |
d38ceaf9 AD |
1532 | } |
1533 | ||
1534 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1535 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1536 | .reprobe = NULL, | |
1537 | .can_switch = amdgpu_switcheroo_can_switch, | |
1538 | }; | |
1539 | ||
e3ecdffa AD |
1540 | /** |
1541 | * amdgpu_device_ip_set_clockgating_state - set the CG state | |
1542 | * | |
87e3f136 | 1543 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1544 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1545 | * @state: clockgating state (gate or ungate) | |
1546 | * | |
1547 | * Sets the requested clockgating state for all instances of | |
1548 | * the hardware IP specified. | |
1549 | * Returns the error code from the last instance. | |
1550 | */ | |
43fa561f | 1551 | int amdgpu_device_ip_set_clockgating_state(void *dev, |
2990a1fc AD |
1552 | enum amd_ip_block_type block_type, |
1553 | enum amd_clockgating_state state) | |
d38ceaf9 | 1554 | { |
43fa561f | 1555 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1556 | int i, r = 0; |
1557 | ||
1558 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1559 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1560 | continue; |
c722865a RZ |
1561 | if (adev->ip_blocks[i].version->type != block_type) |
1562 | continue; | |
1563 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1564 | continue; | |
1565 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1566 | (void *)adev, state); | |
1567 | if (r) | |
1568 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1569 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1570 | } |
1571 | return r; | |
1572 | } | |
1573 | ||
e3ecdffa AD |
1574 | /** |
1575 | * amdgpu_device_ip_set_powergating_state - set the PG state | |
1576 | * | |
87e3f136 | 1577 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1578 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1579 | * @state: powergating state (gate or ungate) | |
1580 | * | |
1581 | * Sets the requested powergating state for all instances of | |
1582 | * the hardware IP specified. | |
1583 | * Returns the error code from the last instance. | |
1584 | */ | |
43fa561f | 1585 | int amdgpu_device_ip_set_powergating_state(void *dev, |
2990a1fc AD |
1586 | enum amd_ip_block_type block_type, |
1587 | enum amd_powergating_state state) | |
d38ceaf9 | 1588 | { |
43fa561f | 1589 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1590 | int i, r = 0; |
1591 | ||
1592 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1593 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1594 | continue; |
c722865a RZ |
1595 | if (adev->ip_blocks[i].version->type != block_type) |
1596 | continue; | |
1597 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1598 | continue; | |
1599 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1600 | (void *)adev, state); | |
1601 | if (r) | |
1602 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1603 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1604 | } |
1605 | return r; | |
1606 | } | |
1607 | ||
e3ecdffa AD |
1608 | /** |
1609 | * amdgpu_device_ip_get_clockgating_state - get the CG state | |
1610 | * | |
1611 | * @adev: amdgpu_device pointer | |
1612 | * @flags: clockgating feature flags | |
1613 | * | |
1614 | * Walks the list of IPs on the device and updates the clockgating | |
1615 | * flags for each IP. | |
1616 | * Updates @flags with the feature flags for each hardware IP where | |
1617 | * clockgating is enabled. | |
1618 | */ | |
2990a1fc AD |
1619 | void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, |
1620 | u32 *flags) | |
6cb2d4e4 HR |
1621 | { |
1622 | int i; | |
1623 | ||
1624 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1625 | if (!adev->ip_blocks[i].status.valid) | |
1626 | continue; | |
1627 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1628 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1629 | } | |
1630 | } | |
1631 | ||
e3ecdffa AD |
1632 | /** |
1633 | * amdgpu_device_ip_wait_for_idle - wait for idle | |
1634 | * | |
1635 | * @adev: amdgpu_device pointer | |
1636 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1637 | * | |
1638 | * Waits for the request hardware IP to be idle. | |
1639 | * Returns 0 for success or a negative error code on failure. | |
1640 | */ | |
2990a1fc AD |
1641 | int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, |
1642 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1643 | { |
1644 | int i, r; | |
1645 | ||
1646 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1647 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1648 | continue; |
a1255107 AD |
1649 | if (adev->ip_blocks[i].version->type == block_type) { |
1650 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1651 | if (r) |
1652 | return r; | |
1653 | break; | |
1654 | } | |
1655 | } | |
1656 | return 0; | |
1657 | ||
1658 | } | |
1659 | ||
e3ecdffa AD |
1660 | /** |
1661 | * amdgpu_device_ip_is_idle - is the hardware IP idle | |
1662 | * | |
1663 | * @adev: amdgpu_device pointer | |
1664 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1665 | * | |
1666 | * Check if the hardware IP is idle or not. | |
1667 | * Returns true if it the IP is idle, false if not. | |
1668 | */ | |
2990a1fc AD |
1669 | bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, |
1670 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1671 | { |
1672 | int i; | |
1673 | ||
1674 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1675 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1676 | continue; |
a1255107 AD |
1677 | if (adev->ip_blocks[i].version->type == block_type) |
1678 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1679 | } |
1680 | return true; | |
1681 | ||
1682 | } | |
1683 | ||
e3ecdffa AD |
1684 | /** |
1685 | * amdgpu_device_ip_get_ip_block - get a hw IP pointer | |
1686 | * | |
1687 | * @adev: amdgpu_device pointer | |
87e3f136 | 1688 | * @type: Type of hardware IP (SMU, GFX, UVD, etc.) |
e3ecdffa AD |
1689 | * |
1690 | * Returns a pointer to the hardware IP block structure | |
1691 | * if it exists for the asic, otherwise NULL. | |
1692 | */ | |
2990a1fc AD |
1693 | struct amdgpu_ip_block * |
1694 | amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, | |
1695 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1696 | { |
1697 | int i; | |
1698 | ||
1699 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1700 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1701 | return &adev->ip_blocks[i]; |
1702 | ||
1703 | return NULL; | |
1704 | } | |
1705 | ||
1706 | /** | |
2990a1fc | 1707 | * amdgpu_device_ip_block_version_cmp |
d38ceaf9 AD |
1708 | * |
1709 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1710 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1711 | * @major: major version |
1712 | * @minor: minor version | |
1713 | * | |
1714 | * return 0 if equal or greater | |
1715 | * return 1 if smaller or the ip_block doesn't exist | |
1716 | */ | |
2990a1fc AD |
1717 | int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, |
1718 | enum amd_ip_block_type type, | |
1719 | u32 major, u32 minor) | |
d38ceaf9 | 1720 | { |
2990a1fc | 1721 | struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); |
d38ceaf9 | 1722 | |
a1255107 AD |
1723 | if (ip_block && ((ip_block->version->major > major) || |
1724 | ((ip_block->version->major == major) && | |
1725 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1726 | return 0; |
1727 | ||
1728 | return 1; | |
1729 | } | |
1730 | ||
a1255107 | 1731 | /** |
2990a1fc | 1732 | * amdgpu_device_ip_block_add |
a1255107 AD |
1733 | * |
1734 | * @adev: amdgpu_device pointer | |
1735 | * @ip_block_version: pointer to the IP to add | |
1736 | * | |
1737 | * Adds the IP block driver information to the collection of IPs | |
1738 | * on the asic. | |
1739 | */ | |
2990a1fc AD |
1740 | int amdgpu_device_ip_block_add(struct amdgpu_device *adev, |
1741 | const struct amdgpu_ip_block_version *ip_block_version) | |
a1255107 AD |
1742 | { |
1743 | if (!ip_block_version) | |
1744 | return -EINVAL; | |
1745 | ||
7bd939d0 LG |
1746 | switch (ip_block_version->type) { |
1747 | case AMD_IP_BLOCK_TYPE_VCN: | |
1748 | if (adev->harvest_ip_mask & AMD_HARVEST_IP_VCN_MASK) | |
1749 | return 0; | |
1750 | break; | |
1751 | case AMD_IP_BLOCK_TYPE_JPEG: | |
1752 | if (adev->harvest_ip_mask & AMD_HARVEST_IP_JPEG_MASK) | |
1753 | return 0; | |
1754 | break; | |
1755 | default: | |
1756 | break; | |
1757 | } | |
1758 | ||
e966a725 | 1759 | DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, |
a0bae357 HR |
1760 | ip_block_version->funcs->name); |
1761 | ||
a1255107 AD |
1762 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1763 | ||
1764 | return 0; | |
1765 | } | |
1766 | ||
e3ecdffa AD |
1767 | /** |
1768 | * amdgpu_device_enable_virtual_display - enable virtual display feature | |
1769 | * | |
1770 | * @adev: amdgpu_device pointer | |
1771 | * | |
1772 | * Enabled the virtual display feature if the user has enabled it via | |
1773 | * the module parameter virtual_display. This feature provides a virtual | |
1774 | * display hardware on headless boards or in virtualized environments. | |
1775 | * This function parses and validates the configuration string specified by | |
1776 | * the user and configues the virtual display configuration (number of | |
1777 | * virtual connectors, crtcs, etc.) specified. | |
1778 | */ | |
483ef985 | 1779 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1780 | { |
1781 | adev->enable_virtual_display = false; | |
1782 | ||
1783 | if (amdgpu_virtual_display) { | |
8f66090b | 1784 | const char *pci_address_name = pci_name(adev->pdev); |
0f66356d | 1785 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1786 | |
1787 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1788 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1789 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1790 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1791 | if (!strcmp("all", pciaddname) |
1792 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1793 | long num_crtc; |
1794 | int res = -1; | |
1795 | ||
9accf2fd | 1796 | adev->enable_virtual_display = true; |
0f66356d ED |
1797 | |
1798 | if (pciaddname_tmp) | |
1799 | res = kstrtol(pciaddname_tmp, 10, | |
1800 | &num_crtc); | |
1801 | ||
1802 | if (!res) { | |
1803 | if (num_crtc < 1) | |
1804 | num_crtc = 1; | |
1805 | if (num_crtc > 6) | |
1806 | num_crtc = 6; | |
1807 | adev->mode_info.num_crtc = num_crtc; | |
1808 | } else { | |
1809 | adev->mode_info.num_crtc = 1; | |
1810 | } | |
9accf2fd ED |
1811 | break; |
1812 | } | |
1813 | } | |
1814 | ||
0f66356d ED |
1815 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1816 | amdgpu_virtual_display, pci_address_name, | |
1817 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1818 | |
1819 | kfree(pciaddstr); | |
1820 | } | |
1821 | } | |
1822 | ||
e3ecdffa AD |
1823 | /** |
1824 | * amdgpu_device_parse_gpu_info_fw - parse gpu info firmware | |
1825 | * | |
1826 | * @adev: amdgpu_device pointer | |
1827 | * | |
1828 | * Parses the asic configuration parameters specified in the gpu info | |
1829 | * firmware and makes them availale to the driver for use in configuring | |
1830 | * the asic. | |
1831 | * Returns 0 on success, -EINVAL on failure. | |
1832 | */ | |
e2a75f88 AD |
1833 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1834 | { | |
e2a75f88 | 1835 | const char *chip_name; |
c0a43457 | 1836 | char fw_name[40]; |
e2a75f88 AD |
1837 | int err; |
1838 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1839 | ||
ab4fe3e1 HR |
1840 | adev->firmware.gpu_info_fw = NULL; |
1841 | ||
72de33f8 | 1842 | if (adev->mman.discovery_bin) { |
258620d0 | 1843 | amdgpu_discovery_get_gfx_info(adev); |
cc375d8c TY |
1844 | |
1845 | /* | |
1846 | * FIXME: The bounding box is still needed by Navi12, so | |
1847 | * temporarily read it from gpu_info firmware. Should be droped | |
1848 | * when DAL no longer needs it. | |
1849 | */ | |
1850 | if (adev->asic_type != CHIP_NAVI12) | |
1851 | return 0; | |
258620d0 AD |
1852 | } |
1853 | ||
e2a75f88 | 1854 | switch (adev->asic_type) { |
e2a75f88 AD |
1855 | #ifdef CONFIG_DRM_AMDGPU_SI |
1856 | case CHIP_VERDE: | |
1857 | case CHIP_TAHITI: | |
1858 | case CHIP_PITCAIRN: | |
1859 | case CHIP_OLAND: | |
1860 | case CHIP_HAINAN: | |
1861 | #endif | |
1862 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
1863 | case CHIP_BONAIRE: | |
1864 | case CHIP_HAWAII: | |
1865 | case CHIP_KAVERI: | |
1866 | case CHIP_KABINI: | |
1867 | case CHIP_MULLINS: | |
1868 | #endif | |
da87c30b AD |
1869 | case CHIP_TOPAZ: |
1870 | case CHIP_TONGA: | |
1871 | case CHIP_FIJI: | |
1872 | case CHIP_POLARIS10: | |
1873 | case CHIP_POLARIS11: | |
1874 | case CHIP_POLARIS12: | |
1875 | case CHIP_VEGAM: | |
1876 | case CHIP_CARRIZO: | |
1877 | case CHIP_STONEY: | |
27c0bc71 | 1878 | case CHIP_VEGA20: |
44b3253a | 1879 | case CHIP_ALDEBARAN: |
84d244a3 JC |
1880 | case CHIP_SIENNA_CICHLID: |
1881 | case CHIP_NAVY_FLOUNDER: | |
eac88a5f | 1882 | case CHIP_DIMGREY_CAVEFISH: |
0e5f4b09 | 1883 | case CHIP_BEIGE_GOBY: |
e2a75f88 AD |
1884 | default: |
1885 | return 0; | |
1886 | case CHIP_VEGA10: | |
1887 | chip_name = "vega10"; | |
1888 | break; | |
3f76dced AD |
1889 | case CHIP_VEGA12: |
1890 | chip_name = "vega12"; | |
1891 | break; | |
2d2e5e7e | 1892 | case CHIP_RAVEN: |
54f78a76 | 1893 | if (adev->apu_flags & AMD_APU_IS_RAVEN2) |
54c4d17e | 1894 | chip_name = "raven2"; |
54f78a76 | 1895 | else if (adev->apu_flags & AMD_APU_IS_PICASSO) |
741deade | 1896 | chip_name = "picasso"; |
54c4d17e FX |
1897 | else |
1898 | chip_name = "raven"; | |
2d2e5e7e | 1899 | break; |
65e60f6e LM |
1900 | case CHIP_ARCTURUS: |
1901 | chip_name = "arcturus"; | |
1902 | break; | |
b51a26a0 | 1903 | case CHIP_RENOIR: |
2e62f0b5 PL |
1904 | if (adev->apu_flags & AMD_APU_IS_RENOIR) |
1905 | chip_name = "renoir"; | |
1906 | else | |
1907 | chip_name = "green_sardine"; | |
b51a26a0 | 1908 | break; |
23c6268e HR |
1909 | case CHIP_NAVI10: |
1910 | chip_name = "navi10"; | |
1911 | break; | |
ed42cfe1 XY |
1912 | case CHIP_NAVI14: |
1913 | chip_name = "navi14"; | |
1914 | break; | |
42b325e5 XY |
1915 | case CHIP_NAVI12: |
1916 | chip_name = "navi12"; | |
1917 | break; | |
4e52a9f8 HR |
1918 | case CHIP_VANGOGH: |
1919 | chip_name = "vangogh"; | |
1920 | break; | |
8bf84f60 AL |
1921 | case CHIP_YELLOW_CARP: |
1922 | chip_name = "yellow_carp"; | |
1923 | break; | |
e2a75f88 AD |
1924 | } |
1925 | ||
1926 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1927 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1928 | if (err) { |
1929 | dev_err(adev->dev, | |
1930 | "Failed to load gpu_info firmware \"%s\"\n", | |
1931 | fw_name); | |
1932 | goto out; | |
1933 | } | |
ab4fe3e1 | 1934 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1935 | if (err) { |
1936 | dev_err(adev->dev, | |
1937 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1938 | fw_name); | |
1939 | goto out; | |
1940 | } | |
1941 | ||
ab4fe3e1 | 1942 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
1943 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
1944 | ||
1945 | switch (hdr->version_major) { | |
1946 | case 1: | |
1947 | { | |
1948 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 1949 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
1950 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
1951 | ||
cc375d8c TY |
1952 | /* |
1953 | * Should be droped when DAL no longer needs it. | |
1954 | */ | |
1955 | if (adev->asic_type == CHIP_NAVI12) | |
ec51d3fa XY |
1956 | goto parse_soc_bounding_box; |
1957 | ||
b5ab16bf AD |
1958 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
1959 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
1960 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
1961 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 1962 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
1963 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
1964 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
1965 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
1966 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
1967 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 1968 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
1969 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
1970 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
1971 | adev->gfx.cu_info.max_waves_per_simd = |
1972 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
1973 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
1974 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
1975 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
48321c3d | 1976 | if (hdr->version_minor >= 1) { |
35c2e910 HZ |
1977 | const struct gpu_info_firmware_v1_1 *gpu_info_fw = |
1978 | (const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data + | |
1979 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1980 | adev->gfx.config.num_sc_per_sh = | |
1981 | le32_to_cpu(gpu_info_fw->num_sc_per_sh); | |
1982 | adev->gfx.config.num_packer_per_sc = | |
1983 | le32_to_cpu(gpu_info_fw->num_packer_per_sc); | |
1984 | } | |
ec51d3fa XY |
1985 | |
1986 | parse_soc_bounding_box: | |
ec51d3fa XY |
1987 | /* |
1988 | * soc bounding box info is not integrated in disocovery table, | |
258620d0 | 1989 | * we always need to parse it from gpu info firmware if needed. |
ec51d3fa | 1990 | */ |
48321c3d HW |
1991 | if (hdr->version_minor == 2) { |
1992 | const struct gpu_info_firmware_v1_2 *gpu_info_fw = | |
1993 | (const struct gpu_info_firmware_v1_2 *)(adev->firmware.gpu_info_fw->data + | |
1994 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1995 | adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box; | |
1996 | } | |
e2a75f88 AD |
1997 | break; |
1998 | } | |
1999 | default: | |
2000 | dev_err(adev->dev, | |
2001 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
2002 | err = -EINVAL; | |
2003 | goto out; | |
2004 | } | |
2005 | out: | |
e2a75f88 AD |
2006 | return err; |
2007 | } | |
2008 | ||
e3ecdffa AD |
2009 | /** |
2010 | * amdgpu_device_ip_early_init - run early init for hardware IPs | |
2011 | * | |
2012 | * @adev: amdgpu_device pointer | |
2013 | * | |
2014 | * Early initialization pass for hardware IPs. The hardware IPs that make | |
2015 | * up each asic are discovered each IP's early_init callback is run. This | |
2016 | * is the first stage in initializing the asic. | |
2017 | * Returns 0 on success, negative error code on failure. | |
2018 | */ | |
06ec9070 | 2019 | static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) |
d38ceaf9 | 2020 | { |
aaa36a97 | 2021 | int i, r; |
d38ceaf9 | 2022 | |
483ef985 | 2023 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 2024 | |
00a979f3 | 2025 | if (amdgpu_sriov_vf(adev)) { |
00a979f3 | 2026 | r = amdgpu_virt_request_full_gpu(adev, true); |
aaa36a97 AD |
2027 | if (r) |
2028 | return r; | |
00a979f3 WS |
2029 | } |
2030 | ||
d38ceaf9 | 2031 | switch (adev->asic_type) { |
33f34802 KW |
2032 | #ifdef CONFIG_DRM_AMDGPU_SI |
2033 | case CHIP_VERDE: | |
2034 | case CHIP_TAHITI: | |
2035 | case CHIP_PITCAIRN: | |
2036 | case CHIP_OLAND: | |
2037 | case CHIP_HAINAN: | |
295d0daf | 2038 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
2039 | r = si_set_ip_blocks(adev); |
2040 | if (r) | |
2041 | return r; | |
2042 | break; | |
2043 | #endif | |
a2e73f56 AD |
2044 | #ifdef CONFIG_DRM_AMDGPU_CIK |
2045 | case CHIP_BONAIRE: | |
2046 | case CHIP_HAWAII: | |
2047 | case CHIP_KAVERI: | |
2048 | case CHIP_KABINI: | |
2049 | case CHIP_MULLINS: | |
e1ad2d53 | 2050 | if (adev->flags & AMD_IS_APU) |
a2e73f56 | 2051 | adev->family = AMDGPU_FAMILY_KV; |
e1ad2d53 AD |
2052 | else |
2053 | adev->family = AMDGPU_FAMILY_CI; | |
a2e73f56 AD |
2054 | |
2055 | r = cik_set_ip_blocks(adev); | |
2056 | if (r) | |
2057 | return r; | |
2058 | break; | |
2059 | #endif | |
da87c30b AD |
2060 | case CHIP_TOPAZ: |
2061 | case CHIP_TONGA: | |
2062 | case CHIP_FIJI: | |
2063 | case CHIP_POLARIS10: | |
2064 | case CHIP_POLARIS11: | |
2065 | case CHIP_POLARIS12: | |
2066 | case CHIP_VEGAM: | |
2067 | case CHIP_CARRIZO: | |
2068 | case CHIP_STONEY: | |
2069 | if (adev->flags & AMD_IS_APU) | |
2070 | adev->family = AMDGPU_FAMILY_CZ; | |
2071 | else | |
2072 | adev->family = AMDGPU_FAMILY_VI; | |
2073 | ||
2074 | r = vi_set_ip_blocks(adev); | |
2075 | if (r) | |
2076 | return r; | |
2077 | break; | |
e48a3cd9 AD |
2078 | case CHIP_VEGA10: |
2079 | case CHIP_VEGA12: | |
e4bd8170 | 2080 | case CHIP_VEGA20: |
e48a3cd9 | 2081 | case CHIP_RAVEN: |
61cf44c1 | 2082 | case CHIP_ARCTURUS: |
b51a26a0 | 2083 | case CHIP_RENOIR: |
c00a18ec | 2084 | case CHIP_ALDEBARAN: |
70534d1e | 2085 | if (adev->flags & AMD_IS_APU) |
2ca8a5d2 CZ |
2086 | adev->family = AMDGPU_FAMILY_RV; |
2087 | else | |
2088 | adev->family = AMDGPU_FAMILY_AI; | |
460826e6 KW |
2089 | |
2090 | r = soc15_set_ip_blocks(adev); | |
2091 | if (r) | |
2092 | return r; | |
2093 | break; | |
0a5b8c7b | 2094 | case CHIP_NAVI10: |
7ecb5cd4 | 2095 | case CHIP_NAVI14: |
4808cf9c | 2096 | case CHIP_NAVI12: |
11e8aef5 | 2097 | case CHIP_SIENNA_CICHLID: |
41f446bf | 2098 | case CHIP_NAVY_FLOUNDER: |
144722fa | 2099 | case CHIP_DIMGREY_CAVEFISH: |
b41f5b7a | 2100 | case CHIP_BEIGE_GOBY: |
4e52a9f8 | 2101 | case CHIP_VANGOGH: |
8bf84f60 | 2102 | case CHIP_YELLOW_CARP: |
4e52a9f8 HR |
2103 | if (adev->asic_type == CHIP_VANGOGH) |
2104 | adev->family = AMDGPU_FAMILY_VGH; | |
8bf84f60 AL |
2105 | else if (adev->asic_type == CHIP_YELLOW_CARP) |
2106 | adev->family = AMDGPU_FAMILY_YC; | |
4e52a9f8 HR |
2107 | else |
2108 | adev->family = AMDGPU_FAMILY_NV; | |
0a5b8c7b HR |
2109 | |
2110 | r = nv_set_ip_blocks(adev); | |
2111 | if (r) | |
2112 | return r; | |
2113 | break; | |
d38ceaf9 AD |
2114 | default: |
2115 | /* FIXME: not supported yet */ | |
2116 | return -EINVAL; | |
2117 | } | |
2118 | ||
1884734a | 2119 | amdgpu_amdkfd_device_probe(adev); |
2120 | ||
3b94fb10 | 2121 | adev->pm.pp_feature = amdgpu_pp_feature_mask; |
a35ad98b | 2122 | if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) |
00544006 | 2123 | adev->pm.pp_feature &= ~PP_GFXOFF_MASK; |
4215a119 HC |
2124 | if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_SIENNA_CICHLID) |
2125 | adev->pm.pp_feature &= ~PP_OVERDRIVE_MASK; | |
00f54b97 | 2126 | |
d38ceaf9 AD |
2127 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2128 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
2129 | DRM_ERROR("disabled ip block: %d <%s>\n", |
2130 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 2131 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 2132 | } else { |
a1255107 AD |
2133 | if (adev->ip_blocks[i].version->funcs->early_init) { |
2134 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 2135 | if (r == -ENOENT) { |
a1255107 | 2136 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 2137 | } else if (r) { |
a1255107 AD |
2138 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
2139 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2140 | return r; |
2c1a2784 | 2141 | } else { |
a1255107 | 2142 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 2143 | } |
974e6b64 | 2144 | } else { |
a1255107 | 2145 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 2146 | } |
d38ceaf9 | 2147 | } |
21a249ca AD |
2148 | /* get the vbios after the asic_funcs are set up */ |
2149 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { | |
6e29c227 AD |
2150 | r = amdgpu_device_parse_gpu_info_fw(adev); |
2151 | if (r) | |
2152 | return r; | |
2153 | ||
21a249ca AD |
2154 | /* Read BIOS */ |
2155 | if (!amdgpu_get_bios(adev)) | |
2156 | return -EINVAL; | |
2157 | ||
2158 | r = amdgpu_atombios_init(adev); | |
2159 | if (r) { | |
2160 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
2161 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
2162 | return r; | |
2163 | } | |
77eabc6f PJZ |
2164 | |
2165 | /*get pf2vf msg info at it's earliest time*/ | |
2166 | if (amdgpu_sriov_vf(adev)) | |
2167 | amdgpu_virt_init_data_exchange(adev); | |
2168 | ||
21a249ca | 2169 | } |
d38ceaf9 AD |
2170 | } |
2171 | ||
395d1fb9 NH |
2172 | adev->cg_flags &= amdgpu_cg_mask; |
2173 | adev->pg_flags &= amdgpu_pg_mask; | |
2174 | ||
d38ceaf9 AD |
2175 | return 0; |
2176 | } | |
2177 | ||
0a4f2520 RZ |
2178 | static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) |
2179 | { | |
2180 | int i, r; | |
2181 | ||
2182 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2183 | if (!adev->ip_blocks[i].status.sw) | |
2184 | continue; | |
2185 | if (adev->ip_blocks[i].status.hw) | |
2186 | continue; | |
2187 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2d11fd3f | 2188 | (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || |
0a4f2520 RZ |
2189 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { |
2190 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2191 | if (r) { | |
2192 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2193 | adev->ip_blocks[i].version->funcs->name, r); | |
2194 | return r; | |
2195 | } | |
2196 | adev->ip_blocks[i].status.hw = true; | |
2197 | } | |
2198 | } | |
2199 | ||
2200 | return 0; | |
2201 | } | |
2202 | ||
2203 | static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) | |
2204 | { | |
2205 | int i, r; | |
2206 | ||
2207 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2208 | if (!adev->ip_blocks[i].status.sw) | |
2209 | continue; | |
2210 | if (adev->ip_blocks[i].status.hw) | |
2211 | continue; | |
2212 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2213 | if (r) { | |
2214 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2215 | adev->ip_blocks[i].version->funcs->name, r); | |
2216 | return r; | |
2217 | } | |
2218 | adev->ip_blocks[i].status.hw = true; | |
2219 | } | |
2220 | ||
2221 | return 0; | |
2222 | } | |
2223 | ||
7a3e0bb2 RZ |
2224 | static int amdgpu_device_fw_loading(struct amdgpu_device *adev) |
2225 | { | |
2226 | int r = 0; | |
2227 | int i; | |
80f41f84 | 2228 | uint32_t smu_version; |
7a3e0bb2 RZ |
2229 | |
2230 | if (adev->asic_type >= CHIP_VEGA10) { | |
2231 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 ML |
2232 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) |
2233 | continue; | |
2234 | ||
e3c1b071 | 2235 | if (!adev->ip_blocks[i].status.sw) |
2236 | continue; | |
2237 | ||
482f0e53 ML |
2238 | /* no need to do the fw loading again if already done*/ |
2239 | if (adev->ip_blocks[i].status.hw == true) | |
2240 | break; | |
2241 | ||
53b3f8f4 | 2242 | if (amdgpu_in_reset(adev) || adev->in_suspend) { |
482f0e53 ML |
2243 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2244 | if (r) { | |
2245 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
7a3e0bb2 | 2246 | adev->ip_blocks[i].version->funcs->name, r); |
482f0e53 ML |
2247 | return r; |
2248 | } | |
2249 | } else { | |
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; | |
7a3e0bb2 | 2255 | } |
7a3e0bb2 | 2256 | } |
482f0e53 ML |
2257 | |
2258 | adev->ip_blocks[i].status.hw = true; | |
2259 | break; | |
7a3e0bb2 RZ |
2260 | } |
2261 | } | |
482f0e53 | 2262 | |
8973d9ec ED |
2263 | if (!amdgpu_sriov_vf(adev) || adev->asic_type == CHIP_TONGA) |
2264 | r = amdgpu_pm_load_smu_firmware(adev, &smu_version); | |
7a3e0bb2 | 2265 | |
80f41f84 | 2266 | return r; |
7a3e0bb2 RZ |
2267 | } |
2268 | ||
e3ecdffa AD |
2269 | /** |
2270 | * amdgpu_device_ip_init - run init for hardware IPs | |
2271 | * | |
2272 | * @adev: amdgpu_device pointer | |
2273 | * | |
2274 | * Main initialization pass for hardware IPs. The list of all the hardware | |
2275 | * IPs that make up the asic is walked and the sw_init and hw_init callbacks | |
2276 | * are run. sw_init initializes the software state associated with each IP | |
2277 | * and hw_init initializes the hardware associated with each IP. | |
2278 | * Returns 0 on success, negative error code on failure. | |
2279 | */ | |
06ec9070 | 2280 | static int amdgpu_device_ip_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
2281 | { |
2282 | int i, r; | |
2283 | ||
c030f2e4 | 2284 | r = amdgpu_ras_init(adev); |
2285 | if (r) | |
2286 | return r; | |
2287 | ||
d38ceaf9 | 2288 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 2289 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2290 | continue; |
a1255107 | 2291 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 2292 | if (r) { |
a1255107 AD |
2293 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
2294 | adev->ip_blocks[i].version->funcs->name, r); | |
72d3f592 | 2295 | goto init_failed; |
2c1a2784 | 2296 | } |
a1255107 | 2297 | adev->ip_blocks[i].status.sw = true; |
bfca0289 | 2298 | |
d38ceaf9 | 2299 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 2300 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
06ec9070 | 2301 | r = amdgpu_device_vram_scratch_init(adev); |
2c1a2784 AD |
2302 | if (r) { |
2303 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
72d3f592 | 2304 | goto init_failed; |
2c1a2784 | 2305 | } |
a1255107 | 2306 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
2307 | if (r) { |
2308 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
72d3f592 | 2309 | goto init_failed; |
2c1a2784 | 2310 | } |
06ec9070 | 2311 | r = amdgpu_device_wb_init(adev); |
2c1a2784 | 2312 | if (r) { |
06ec9070 | 2313 | DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); |
72d3f592 | 2314 | goto init_failed; |
2c1a2784 | 2315 | } |
a1255107 | 2316 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
2317 | |
2318 | /* right after GMC hw init, we create CSA */ | |
f92d5c61 | 2319 | if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) { |
1e256e27 RZ |
2320 | r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, |
2321 | AMDGPU_GEM_DOMAIN_VRAM, | |
2322 | AMDGPU_CSA_SIZE); | |
2493664f ML |
2323 | if (r) { |
2324 | DRM_ERROR("allocate CSA failed %d\n", r); | |
72d3f592 | 2325 | goto init_failed; |
2493664f ML |
2326 | } |
2327 | } | |
d38ceaf9 AD |
2328 | } |
2329 | } | |
2330 | ||
c9ffa427 YT |
2331 | if (amdgpu_sriov_vf(adev)) |
2332 | amdgpu_virt_init_data_exchange(adev); | |
2333 | ||
533aed27 AG |
2334 | r = amdgpu_ib_pool_init(adev); |
2335 | if (r) { | |
2336 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
2337 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); | |
2338 | goto init_failed; | |
2339 | } | |
2340 | ||
c8963ea4 RZ |
2341 | r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/ |
2342 | if (r) | |
72d3f592 | 2343 | goto init_failed; |
0a4f2520 RZ |
2344 | |
2345 | r = amdgpu_device_ip_hw_init_phase1(adev); | |
2346 | if (r) | |
72d3f592 | 2347 | goto init_failed; |
0a4f2520 | 2348 | |
7a3e0bb2 RZ |
2349 | r = amdgpu_device_fw_loading(adev); |
2350 | if (r) | |
72d3f592 | 2351 | goto init_failed; |
7a3e0bb2 | 2352 | |
0a4f2520 RZ |
2353 | r = amdgpu_device_ip_hw_init_phase2(adev); |
2354 | if (r) | |
72d3f592 | 2355 | goto init_failed; |
d38ceaf9 | 2356 | |
121a2bc6 AG |
2357 | /* |
2358 | * retired pages will be loaded from eeprom and reserved here, | |
2359 | * it should be called after amdgpu_device_ip_hw_init_phase2 since | |
2360 | * for some ASICs the RAS EEPROM code relies on SMU fully functioning | |
2361 | * for I2C communication which only true at this point. | |
b82e65a9 GC |
2362 | * |
2363 | * amdgpu_ras_recovery_init may fail, but the upper only cares the | |
2364 | * failure from bad gpu situation and stop amdgpu init process | |
2365 | * accordingly. For other failed cases, it will still release all | |
2366 | * the resource and print error message, rather than returning one | |
2367 | * negative value to upper level. | |
121a2bc6 AG |
2368 | * |
2369 | * Note: theoretically, this should be called before all vram allocations | |
2370 | * to protect retired page from abusing | |
2371 | */ | |
b82e65a9 GC |
2372 | r = amdgpu_ras_recovery_init(adev); |
2373 | if (r) | |
2374 | goto init_failed; | |
121a2bc6 | 2375 | |
3e2e2ab5 HZ |
2376 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2377 | amdgpu_xgmi_add_device(adev); | |
e3c1b071 | 2378 | |
2379 | /* Don't init kfd if whole hive need to be reset during init */ | |
2380 | if (!adev->gmc.xgmi.pending_reset) | |
2381 | amdgpu_amdkfd_device_init(adev); | |
c6332b97 | 2382 | |
bd607166 KR |
2383 | amdgpu_fru_get_product_info(adev); |
2384 | ||
72d3f592 | 2385 | init_failed: |
c9ffa427 | 2386 | if (amdgpu_sriov_vf(adev)) |
c6332b97 | 2387 | amdgpu_virt_release_full_gpu(adev, true); |
2388 | ||
72d3f592 | 2389 | return r; |
d38ceaf9 AD |
2390 | } |
2391 | ||
e3ecdffa AD |
2392 | /** |
2393 | * amdgpu_device_fill_reset_magic - writes reset magic to gart pointer | |
2394 | * | |
2395 | * @adev: amdgpu_device pointer | |
2396 | * | |
2397 | * Writes a reset magic value to the gart pointer in VRAM. The driver calls | |
2398 | * this function before a GPU reset. If the value is retained after a | |
2399 | * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. | |
2400 | */ | |
06ec9070 | 2401 | static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) |
0c49e0b8 CZ |
2402 | { |
2403 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
2404 | } | |
2405 | ||
e3ecdffa AD |
2406 | /** |
2407 | * amdgpu_device_check_vram_lost - check if vram is valid | |
2408 | * | |
2409 | * @adev: amdgpu_device pointer | |
2410 | * | |
2411 | * Checks the reset magic value written to the gart pointer in VRAM. | |
2412 | * The driver calls this after a GPU reset to see if the contents of | |
2413 | * VRAM is lost or now. | |
2414 | * returns true if vram is lost, false if not. | |
2415 | */ | |
06ec9070 | 2416 | static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) |
0c49e0b8 | 2417 | { |
dadce777 EQ |
2418 | if (memcmp(adev->gart.ptr, adev->reset_magic, |
2419 | AMDGPU_RESET_MAGIC_NUM)) | |
2420 | return true; | |
2421 | ||
53b3f8f4 | 2422 | if (!amdgpu_in_reset(adev)) |
dadce777 EQ |
2423 | return false; |
2424 | ||
2425 | /* | |
2426 | * For all ASICs with baco/mode1 reset, the VRAM is | |
2427 | * always assumed to be lost. | |
2428 | */ | |
2429 | switch (amdgpu_asic_reset_method(adev)) { | |
2430 | case AMD_RESET_METHOD_BACO: | |
2431 | case AMD_RESET_METHOD_MODE1: | |
2432 | return true; | |
2433 | default: | |
2434 | return false; | |
2435 | } | |
0c49e0b8 CZ |
2436 | } |
2437 | ||
e3ecdffa | 2438 | /** |
1112a46b | 2439 | * amdgpu_device_set_cg_state - set clockgating for amdgpu device |
e3ecdffa AD |
2440 | * |
2441 | * @adev: amdgpu_device pointer | |
b8b72130 | 2442 | * @state: clockgating state (gate or ungate) |
e3ecdffa | 2443 | * |
e3ecdffa | 2444 | * The list of all the hardware IPs that make up the asic is walked and the |
1112a46b RZ |
2445 | * set_clockgating_state callbacks are run. |
2446 | * Late initialization pass enabling clockgating for hardware IPs. | |
2447 | * Fini or suspend, pass disabling clockgating for hardware IPs. | |
e3ecdffa AD |
2448 | * Returns 0 on success, negative error code on failure. |
2449 | */ | |
fdd34271 | 2450 | |
5d89bb2d LL |
2451 | int amdgpu_device_set_cg_state(struct amdgpu_device *adev, |
2452 | enum amd_clockgating_state state) | |
d38ceaf9 | 2453 | { |
1112a46b | 2454 | int i, j, r; |
d38ceaf9 | 2455 | |
4a2ba394 SL |
2456 | if (amdgpu_emu_mode == 1) |
2457 | return 0; | |
2458 | ||
1112a46b RZ |
2459 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2460 | i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2461 | if (!adev->ip_blocks[i].status.late_initialized) |
d38ceaf9 | 2462 | continue; |
5d70a549 PV |
2463 | /* skip CG for GFX on S0ix */ |
2464 | if (adev->in_s0ix && | |
2465 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX) | |
2466 | continue; | |
4a446d55 | 2467 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 | 2468 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
57716327 | 2469 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && |
34319b32 | 2470 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && |
52f2e779 | 2471 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
57716327 | 2472 | adev->ip_blocks[i].version->funcs->set_clockgating_state) { |
4a446d55 | 2473 | /* enable clockgating to save power */ |
a1255107 | 2474 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1112a46b | 2475 | state); |
4a446d55 AD |
2476 | if (r) { |
2477 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 2478 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
2479 | return r; |
2480 | } | |
b0b00ff1 | 2481 | } |
d38ceaf9 | 2482 | } |
06b18f61 | 2483 | |
c9f96fd5 RZ |
2484 | return 0; |
2485 | } | |
2486 | ||
5d89bb2d LL |
2487 | int amdgpu_device_set_pg_state(struct amdgpu_device *adev, |
2488 | enum amd_powergating_state state) | |
c9f96fd5 | 2489 | { |
1112a46b | 2490 | int i, j, r; |
06b18f61 | 2491 | |
c9f96fd5 RZ |
2492 | if (amdgpu_emu_mode == 1) |
2493 | return 0; | |
2494 | ||
1112a46b RZ |
2495 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2496 | i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2497 | if (!adev->ip_blocks[i].status.late_initialized) |
c9f96fd5 | 2498 | continue; |
5d70a549 PV |
2499 | /* skip PG for GFX on S0ix */ |
2500 | if (adev->in_s0ix && | |
2501 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX) | |
2502 | continue; | |
c9f96fd5 RZ |
2503 | /* skip CG for VCE/UVD, it's handled specially */ |
2504 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
2505 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && | |
2506 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && | |
52f2e779 | 2507 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
c9f96fd5 RZ |
2508 | adev->ip_blocks[i].version->funcs->set_powergating_state) { |
2509 | /* enable powergating to save power */ | |
2510 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1112a46b | 2511 | state); |
c9f96fd5 RZ |
2512 | if (r) { |
2513 | DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", | |
2514 | adev->ip_blocks[i].version->funcs->name, r); | |
2515 | return r; | |
2516 | } | |
2517 | } | |
2518 | } | |
2dc80b00 S |
2519 | return 0; |
2520 | } | |
2521 | ||
beff74bc AD |
2522 | static int amdgpu_device_enable_mgpu_fan_boost(void) |
2523 | { | |
2524 | struct amdgpu_gpu_instance *gpu_ins; | |
2525 | struct amdgpu_device *adev; | |
2526 | int i, ret = 0; | |
2527 | ||
2528 | mutex_lock(&mgpu_info.mutex); | |
2529 | ||
2530 | /* | |
2531 | * MGPU fan boost feature should be enabled | |
2532 | * only when there are two or more dGPUs in | |
2533 | * the system | |
2534 | */ | |
2535 | if (mgpu_info.num_dgpu < 2) | |
2536 | goto out; | |
2537 | ||
2538 | for (i = 0; i < mgpu_info.num_dgpu; i++) { | |
2539 | gpu_ins = &(mgpu_info.gpu_ins[i]); | |
2540 | adev = gpu_ins->adev; | |
2541 | if (!(adev->flags & AMD_IS_APU) && | |
f10bb940 | 2542 | !gpu_ins->mgpu_fan_enabled) { |
beff74bc AD |
2543 | ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); |
2544 | if (ret) | |
2545 | break; | |
2546 | ||
2547 | gpu_ins->mgpu_fan_enabled = 1; | |
2548 | } | |
2549 | } | |
2550 | ||
2551 | out: | |
2552 | mutex_unlock(&mgpu_info.mutex); | |
2553 | ||
2554 | return ret; | |
2555 | } | |
2556 | ||
e3ecdffa AD |
2557 | /** |
2558 | * amdgpu_device_ip_late_init - run late init for hardware IPs | |
2559 | * | |
2560 | * @adev: amdgpu_device pointer | |
2561 | * | |
2562 | * Late initialization pass for hardware IPs. The list of all the hardware | |
2563 | * IPs that make up the asic is walked and the late_init callbacks are run. | |
2564 | * late_init covers any special initialization that an IP requires | |
2565 | * after all of the have been initialized or something that needs to happen | |
2566 | * late in the init process. | |
2567 | * Returns 0 on success, negative error code on failure. | |
2568 | */ | |
06ec9070 | 2569 | static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) |
2dc80b00 | 2570 | { |
60599a03 | 2571 | struct amdgpu_gpu_instance *gpu_instance; |
2dc80b00 S |
2572 | int i = 0, r; |
2573 | ||
2574 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
73f847db | 2575 | if (!adev->ip_blocks[i].status.hw) |
2dc80b00 S |
2576 | continue; |
2577 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
2578 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
2579 | if (r) { | |
2580 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
2581 | adev->ip_blocks[i].version->funcs->name, r); | |
2582 | return r; | |
2583 | } | |
2dc80b00 | 2584 | } |
73f847db | 2585 | adev->ip_blocks[i].status.late_initialized = true; |
2dc80b00 S |
2586 | } |
2587 | ||
a891d239 DL |
2588 | amdgpu_ras_set_error_query_ready(adev, true); |
2589 | ||
1112a46b RZ |
2590 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); |
2591 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); | |
916ac57f | 2592 | |
06ec9070 | 2593 | amdgpu_device_fill_reset_magic(adev); |
d38ceaf9 | 2594 | |
beff74bc AD |
2595 | r = amdgpu_device_enable_mgpu_fan_boost(); |
2596 | if (r) | |
2597 | DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); | |
2598 | ||
2d02893f | 2599 | /* For XGMI + passthrough configuration on arcturus, enable light SBR */ |
2600 | if (adev->asic_type == CHIP_ARCTURUS && | |
2601 | amdgpu_passthrough(adev) && | |
2602 | adev->gmc.xgmi.num_physical_nodes > 1) | |
2603 | smu_set_light_sbr(&adev->smu, true); | |
60599a03 EQ |
2604 | |
2605 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
2606 | mutex_lock(&mgpu_info.mutex); | |
2607 | ||
2608 | /* | |
2609 | * Reset device p-state to low as this was booted with high. | |
2610 | * | |
2611 | * This should be performed only after all devices from the same | |
2612 | * hive get initialized. | |
2613 | * | |
2614 | * However, it's unknown how many device in the hive in advance. | |
2615 | * As this is counted one by one during devices initializations. | |
2616 | * | |
2617 | * So, we wait for all XGMI interlinked devices initialized. | |
2618 | * This may bring some delays as those devices may come from | |
2619 | * different hives. But that should be OK. | |
2620 | */ | |
2621 | if (mgpu_info.num_dgpu == adev->gmc.xgmi.num_physical_nodes) { | |
2622 | for (i = 0; i < mgpu_info.num_gpu; i++) { | |
2623 | gpu_instance = &(mgpu_info.gpu_ins[i]); | |
2624 | if (gpu_instance->adev->flags & AMD_IS_APU) | |
2625 | continue; | |
2626 | ||
d84a430d JK |
2627 | r = amdgpu_xgmi_set_pstate(gpu_instance->adev, |
2628 | AMDGPU_XGMI_PSTATE_MIN); | |
60599a03 EQ |
2629 | if (r) { |
2630 | DRM_ERROR("pstate setting failed (%d).\n", r); | |
2631 | break; | |
2632 | } | |
2633 | } | |
2634 | } | |
2635 | ||
2636 | mutex_unlock(&mgpu_info.mutex); | |
2637 | } | |
2638 | ||
d38ceaf9 AD |
2639 | return 0; |
2640 | } | |
2641 | ||
e9669fb7 | 2642 | static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev) |
d38ceaf9 AD |
2643 | { |
2644 | int i, r; | |
2645 | ||
e9669fb7 AG |
2646 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2647 | if (!adev->ip_blocks[i].version->funcs->early_fini) | |
2648 | continue; | |
5278a159 | 2649 | |
e9669fb7 AG |
2650 | r = adev->ip_blocks[i].version->funcs->early_fini((void *)adev); |
2651 | if (r) { | |
2652 | DRM_DEBUG("early_fini of IP block <%s> failed %d\n", | |
2653 | adev->ip_blocks[i].version->funcs->name, r); | |
2654 | } | |
2655 | } | |
c030f2e4 | 2656 | |
e9669fb7 | 2657 | amdgpu_amdkfd_suspend(adev, false); |
a82400b5 | 2658 | |
05df1f01 | 2659 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
fdd34271 RZ |
2660 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
2661 | ||
3e96dbfd AD |
2662 | /* need to disable SMC first */ |
2663 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2664 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 2665 | continue; |
fdd34271 | 2666 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 | 2667 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
2668 | /* XXX handle errors */ |
2669 | if (r) { | |
2670 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 2671 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 2672 | } |
a1255107 | 2673 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
2674 | break; |
2675 | } | |
2676 | } | |
2677 | ||
d38ceaf9 | 2678 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2679 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2680 | continue; |
8201a67a | 2681 | |
a1255107 | 2682 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 2683 | /* XXX handle errors */ |
2c1a2784 | 2684 | if (r) { |
a1255107 AD |
2685 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
2686 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2687 | } |
8201a67a | 2688 | |
a1255107 | 2689 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2690 | } |
2691 | ||
e9669fb7 AG |
2692 | return 0; |
2693 | } | |
2694 | ||
2695 | /** | |
2696 | * amdgpu_device_ip_fini - run fini for hardware IPs | |
2697 | * | |
2698 | * @adev: amdgpu_device pointer | |
2699 | * | |
2700 | * Main teardown pass for hardware IPs. The list of all the hardware | |
2701 | * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks | |
2702 | * are run. hw_fini tears down the hardware associated with each IP | |
2703 | * and sw_fini tears down any software state associated with each IP. | |
2704 | * Returns 0 on success, negative error code on failure. | |
2705 | */ | |
2706 | static int amdgpu_device_ip_fini(struct amdgpu_device *adev) | |
2707 | { | |
2708 | int i, r; | |
2709 | ||
2710 | if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) | |
2711 | amdgpu_virt_release_ras_err_handler_data(adev); | |
2712 | ||
2713 | amdgpu_ras_pre_fini(adev); | |
2714 | ||
2715 | if (adev->gmc.xgmi.num_physical_nodes > 1) | |
2716 | amdgpu_xgmi_remove_device(adev); | |
2717 | ||
2718 | amdgpu_amdkfd_device_fini_sw(adev); | |
9950cda2 | 2719 | |
d38ceaf9 | 2720 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2721 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 2722 | continue; |
c12aba3a ML |
2723 | |
2724 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
c8963ea4 | 2725 | amdgpu_ucode_free_bo(adev); |
1e256e27 | 2726 | amdgpu_free_static_csa(&adev->virt.csa_obj); |
c12aba3a ML |
2727 | amdgpu_device_wb_fini(adev); |
2728 | amdgpu_device_vram_scratch_fini(adev); | |
533aed27 | 2729 | amdgpu_ib_pool_fini(adev); |
c12aba3a ML |
2730 | } |
2731 | ||
a1255107 | 2732 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 2733 | /* XXX handle errors */ |
2c1a2784 | 2734 | if (r) { |
a1255107 AD |
2735 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
2736 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2737 | } |
a1255107 AD |
2738 | adev->ip_blocks[i].status.sw = false; |
2739 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
2740 | } |
2741 | ||
a6dcfd9c | 2742 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2743 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 2744 | continue; |
a1255107 AD |
2745 | if (adev->ip_blocks[i].version->funcs->late_fini) |
2746 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
2747 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
2748 | } |
2749 | ||
c030f2e4 | 2750 | amdgpu_ras_fini(adev); |
2751 | ||
030308fc | 2752 | if (amdgpu_sriov_vf(adev)) |
24136135 ML |
2753 | if (amdgpu_virt_release_full_gpu(adev, false)) |
2754 | DRM_ERROR("failed to release exclusive mode on fini\n"); | |
2493664f | 2755 | |
d38ceaf9 AD |
2756 | return 0; |
2757 | } | |
2758 | ||
e3ecdffa | 2759 | /** |
beff74bc | 2760 | * amdgpu_device_delayed_init_work_handler - work handler for IB tests |
e3ecdffa | 2761 | * |
1112a46b | 2762 | * @work: work_struct. |
e3ecdffa | 2763 | */ |
beff74bc | 2764 | static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) |
2dc80b00 S |
2765 | { |
2766 | struct amdgpu_device *adev = | |
beff74bc | 2767 | container_of(work, struct amdgpu_device, delayed_init_work.work); |
916ac57f RZ |
2768 | int r; |
2769 | ||
2770 | r = amdgpu_ib_ring_tests(adev); | |
2771 | if (r) | |
2772 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2dc80b00 S |
2773 | } |
2774 | ||
1e317b99 RZ |
2775 | static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |
2776 | { | |
2777 | struct amdgpu_device *adev = | |
2778 | container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); | |
2779 | ||
2780 | mutex_lock(&adev->gfx.gfx_off_mutex); | |
2781 | if (!adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) { | |
2782 | if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) | |
2783 | adev->gfx.gfx_off_state = true; | |
2784 | } | |
2785 | mutex_unlock(&adev->gfx.gfx_off_mutex); | |
2786 | } | |
2787 | ||
e3ecdffa | 2788 | /** |
e7854a03 | 2789 | * amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1) |
e3ecdffa AD |
2790 | * |
2791 | * @adev: amdgpu_device pointer | |
2792 | * | |
2793 | * Main suspend function for hardware IPs. The list of all the hardware | |
2794 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2795 | * suspend callbacks are run. suspend puts the hardware and software state | |
2796 | * in each IP into a state suitable for suspend. | |
2797 | * Returns 0 on success, negative error code on failure. | |
2798 | */ | |
e7854a03 AD |
2799 | static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) |
2800 | { | |
2801 | int i, r; | |
2802 | ||
50ec83f0 AD |
2803 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
2804 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); | |
05df1f01 | 2805 | |
e7854a03 AD |
2806 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
2807 | if (!adev->ip_blocks[i].status.valid) | |
2808 | continue; | |
2b9f7848 | 2809 | |
e7854a03 | 2810 | /* displays are handled separately */ |
2b9f7848 ND |
2811 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE) |
2812 | continue; | |
2813 | ||
2814 | /* XXX handle errors */ | |
2815 | r = adev->ip_blocks[i].version->funcs->suspend(adev); | |
2816 | /* XXX handle errors */ | |
2817 | if (r) { | |
2818 | DRM_ERROR("suspend of IP block <%s> failed %d\n", | |
2819 | adev->ip_blocks[i].version->funcs->name, r); | |
2820 | return r; | |
e7854a03 | 2821 | } |
2b9f7848 ND |
2822 | |
2823 | adev->ip_blocks[i].status.hw = false; | |
e7854a03 AD |
2824 | } |
2825 | ||
e7854a03 AD |
2826 | return 0; |
2827 | } | |
2828 | ||
2829 | /** | |
2830 | * amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2) | |
2831 | * | |
2832 | * @adev: amdgpu_device pointer | |
2833 | * | |
2834 | * Main suspend function for hardware IPs. The list of all the hardware | |
2835 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2836 | * suspend callbacks are run. suspend puts the hardware and software state | |
2837 | * in each IP into a state suitable for suspend. | |
2838 | * Returns 0 on success, negative error code on failure. | |
2839 | */ | |
2840 | static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) | |
d38ceaf9 AD |
2841 | { |
2842 | int i, r; | |
2843 | ||
557f42a2 | 2844 | if (adev->in_s0ix) |
34416931 | 2845 | amdgpu_gfx_state_change_set(adev, sGpuChangeState_D3Entry); |
34416931 | 2846 | |
d38ceaf9 | 2847 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2848 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2849 | continue; |
e7854a03 AD |
2850 | /* displays are handled in phase1 */ |
2851 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) | |
2852 | continue; | |
bff77e86 LM |
2853 | /* PSP lost connection when err_event_athub occurs */ |
2854 | if (amdgpu_ras_intr_triggered() && | |
2855 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
2856 | adev->ip_blocks[i].status.hw = false; | |
2857 | continue; | |
2858 | } | |
e3c1b071 | 2859 | |
2860 | /* skip unnecessary suspend if we do not initialize them yet */ | |
2861 | if (adev->gmc.xgmi.pending_reset && | |
2862 | !(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
2863 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC || | |
2864 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2865 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH)) { | |
2866 | adev->ip_blocks[i].status.hw = false; | |
2867 | continue; | |
2868 | } | |
557f42a2 | 2869 | |
32ff160d AD |
2870 | /* skip suspend of gfx and psp for S0ix |
2871 | * gfx is in gfxoff state, so on resume it will exit gfxoff just | |
2872 | * like at runtime. PSP is also part of the always on hardware | |
2873 | * so no need to suspend it. | |
2874 | */ | |
557f42a2 | 2875 | if (adev->in_s0ix && |
32ff160d AD |
2876 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP || |
2877 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)) | |
557f42a2 AD |
2878 | continue; |
2879 | ||
d38ceaf9 | 2880 | /* XXX handle errors */ |
a1255107 | 2881 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 2882 | /* XXX handle errors */ |
2c1a2784 | 2883 | if (r) { |
a1255107 AD |
2884 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
2885 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2886 | } |
876923fb | 2887 | adev->ip_blocks[i].status.hw = false; |
a3a09142 | 2888 | /* handle putting the SMC in the appropriate state */ |
86b93fd6 JZ |
2889 | if(!amdgpu_sriov_vf(adev)){ |
2890 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { | |
2891 | r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); | |
2892 | if (r) { | |
2893 | DRM_ERROR("SMC failed to set mp1 state %d, %d\n", | |
2894 | adev->mp1_state, r); | |
2895 | return r; | |
2896 | } | |
a3a09142 AD |
2897 | } |
2898 | } | |
d38ceaf9 AD |
2899 | } |
2900 | ||
2901 | return 0; | |
2902 | } | |
2903 | ||
e7854a03 AD |
2904 | /** |
2905 | * amdgpu_device_ip_suspend - run suspend for hardware IPs | |
2906 | * | |
2907 | * @adev: amdgpu_device pointer | |
2908 | * | |
2909 | * Main suspend function for hardware IPs. The list of all the hardware | |
2910 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2911 | * suspend callbacks are run. suspend puts the hardware and software state | |
2912 | * in each IP into a state suitable for suspend. | |
2913 | * Returns 0 on success, negative error code on failure. | |
2914 | */ | |
2915 | int amdgpu_device_ip_suspend(struct amdgpu_device *adev) | |
2916 | { | |
2917 | int r; | |
2918 | ||
3c73683c JC |
2919 | if (amdgpu_sriov_vf(adev)) { |
2920 | amdgpu_virt_fini_data_exchange(adev); | |
e7819644 | 2921 | amdgpu_virt_request_full_gpu(adev, false); |
3c73683c | 2922 | } |
e7819644 | 2923 | |
e7854a03 AD |
2924 | r = amdgpu_device_ip_suspend_phase1(adev); |
2925 | if (r) | |
2926 | return r; | |
2927 | r = amdgpu_device_ip_suspend_phase2(adev); | |
2928 | ||
e7819644 YT |
2929 | if (amdgpu_sriov_vf(adev)) |
2930 | amdgpu_virt_release_full_gpu(adev, false); | |
2931 | ||
e7854a03 AD |
2932 | return r; |
2933 | } | |
2934 | ||
06ec9070 | 2935 | static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2936 | { |
2937 | int i, r; | |
2938 | ||
2cb681b6 ML |
2939 | static enum amd_ip_block_type ip_order[] = { |
2940 | AMD_IP_BLOCK_TYPE_GMC, | |
2941 | AMD_IP_BLOCK_TYPE_COMMON, | |
39186aef | 2942 | AMD_IP_BLOCK_TYPE_PSP, |
2cb681b6 ML |
2943 | AMD_IP_BLOCK_TYPE_IH, |
2944 | }; | |
a90ad3c2 | 2945 | |
95ea3dbc | 2946 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2cb681b6 ML |
2947 | int j; |
2948 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2949 | |
4cd2a96d J |
2950 | block = &adev->ip_blocks[i]; |
2951 | block->status.hw = false; | |
2cb681b6 | 2952 | |
4cd2a96d | 2953 | for (j = 0; j < ARRAY_SIZE(ip_order); j++) { |
2cb681b6 | 2954 | |
4cd2a96d | 2955 | if (block->version->type != ip_order[j] || |
2cb681b6 ML |
2956 | !block->status.valid) |
2957 | continue; | |
2958 | ||
2959 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 2960 | DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2961 | if (r) |
2962 | return r; | |
482f0e53 | 2963 | block->status.hw = true; |
a90ad3c2 ML |
2964 | } |
2965 | } | |
2966 | ||
2967 | return 0; | |
2968 | } | |
2969 | ||
06ec9070 | 2970 | static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2971 | { |
2972 | int i, r; | |
2973 | ||
2cb681b6 ML |
2974 | static enum amd_ip_block_type ip_order[] = { |
2975 | AMD_IP_BLOCK_TYPE_SMC, | |
2976 | AMD_IP_BLOCK_TYPE_DCE, | |
2977 | AMD_IP_BLOCK_TYPE_GFX, | |
2978 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c | 2979 | AMD_IP_BLOCK_TYPE_UVD, |
d83c7a07 JJ |
2980 | AMD_IP_BLOCK_TYPE_VCE, |
2981 | AMD_IP_BLOCK_TYPE_VCN | |
2cb681b6 | 2982 | }; |
a90ad3c2 | 2983 | |
2cb681b6 ML |
2984 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2985 | int j; | |
2986 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2987 | |
2cb681b6 ML |
2988 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2989 | block = &adev->ip_blocks[j]; | |
2990 | ||
2991 | if (block->version->type != ip_order[i] || | |
482f0e53 ML |
2992 | !block->status.valid || |
2993 | block->status.hw) | |
2cb681b6 ML |
2994 | continue; |
2995 | ||
895bd048 JZ |
2996 | if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) |
2997 | r = block->version->funcs->resume(adev); | |
2998 | else | |
2999 | r = block->version->funcs->hw_init(adev); | |
3000 | ||
0aaeefcc | 3001 | DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
3002 | if (r) |
3003 | return r; | |
482f0e53 | 3004 | block->status.hw = true; |
a90ad3c2 ML |
3005 | } |
3006 | } | |
3007 | ||
3008 | return 0; | |
3009 | } | |
3010 | ||
e3ecdffa AD |
3011 | /** |
3012 | * amdgpu_device_ip_resume_phase1 - run resume for hardware IPs | |
3013 | * | |
3014 | * @adev: amdgpu_device pointer | |
3015 | * | |
3016 | * First resume function for hardware IPs. The list of all the hardware | |
3017 | * IPs that make up the asic is walked and the resume callbacks are run for | |
3018 | * COMMON, GMC, and IH. resume puts the hardware into a functional state | |
3019 | * after a suspend and updates the software state as necessary. This | |
3020 | * function is also used for restoring the GPU after a GPU reset. | |
3021 | * Returns 0 on success, negative error code on failure. | |
3022 | */ | |
06ec9070 | 3023 | static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
3024 | { |
3025 | int i, r; | |
3026 | ||
a90ad3c2 | 3027 | for (i = 0; i < adev->num_ip_blocks; i++) { |
482f0e53 | 3028 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
a90ad3c2 | 3029 | continue; |
a90ad3c2 | 3030 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa AD |
3031 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
3032 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { | |
482f0e53 | 3033 | |
fcf0649f CZ |
3034 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
3035 | if (r) { | |
3036 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
3037 | adev->ip_blocks[i].version->funcs->name, r); | |
3038 | return r; | |
3039 | } | |
482f0e53 | 3040 | adev->ip_blocks[i].status.hw = true; |
a90ad3c2 ML |
3041 | } |
3042 | } | |
3043 | ||
3044 | return 0; | |
3045 | } | |
3046 | ||
e3ecdffa AD |
3047 | /** |
3048 | * amdgpu_device_ip_resume_phase2 - run resume for hardware IPs | |
3049 | * | |
3050 | * @adev: amdgpu_device pointer | |
3051 | * | |
3052 | * First resume function for hardware IPs. The list of all the hardware | |
3053 | * IPs that make up the asic is walked and the resume callbacks are run for | |
3054 | * all blocks except COMMON, GMC, and IH. resume puts the hardware into a | |
3055 | * functional state after a suspend and updates the software state as | |
3056 | * necessary. This function is also used for restoring the GPU after a GPU | |
3057 | * reset. | |
3058 | * Returns 0 on success, negative error code on failure. | |
3059 | */ | |
06ec9070 | 3060 | static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
3061 | { |
3062 | int i, r; | |
3063 | ||
3064 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 | 3065 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
d38ceaf9 | 3066 | continue; |
fcf0649f | 3067 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 3068 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
7a3e0bb2 RZ |
3069 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
3070 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
fcf0649f | 3071 | continue; |
a1255107 | 3072 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 3073 | if (r) { |
a1255107 AD |
3074 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
3075 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 3076 | return r; |
2c1a2784 | 3077 | } |
482f0e53 | 3078 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
3079 | } |
3080 | ||
3081 | return 0; | |
3082 | } | |
3083 | ||
e3ecdffa AD |
3084 | /** |
3085 | * amdgpu_device_ip_resume - run resume for hardware IPs | |
3086 | * | |
3087 | * @adev: amdgpu_device pointer | |
3088 | * | |
3089 | * Main resume function for hardware IPs. The hardware IPs | |
3090 | * are split into two resume functions because they are | |
3091 | * are also used in in recovering from a GPU reset and some additional | |
3092 | * steps need to be take between them. In this case (S3/S4) they are | |
3093 | * run sequentially. | |
3094 | * Returns 0 on success, negative error code on failure. | |
3095 | */ | |
06ec9070 | 3096 | static int amdgpu_device_ip_resume(struct amdgpu_device *adev) |
fcf0649f CZ |
3097 | { |
3098 | int r; | |
3099 | ||
06ec9070 | 3100 | r = amdgpu_device_ip_resume_phase1(adev); |
fcf0649f CZ |
3101 | if (r) |
3102 | return r; | |
7a3e0bb2 RZ |
3103 | |
3104 | r = amdgpu_device_fw_loading(adev); | |
3105 | if (r) | |
3106 | return r; | |
3107 | ||
06ec9070 | 3108 | r = amdgpu_device_ip_resume_phase2(adev); |
fcf0649f CZ |
3109 | |
3110 | return r; | |
3111 | } | |
3112 | ||
e3ecdffa AD |
3113 | /** |
3114 | * amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV | |
3115 | * | |
3116 | * @adev: amdgpu_device pointer | |
3117 | * | |
3118 | * Query the VBIOS data tables to determine if the board supports SR-IOV. | |
3119 | */ | |
4e99a44e | 3120 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 3121 | { |
6867e1b5 ML |
3122 | if (amdgpu_sriov_vf(adev)) { |
3123 | if (adev->is_atom_fw) { | |
58ff791a | 3124 | if (amdgpu_atomfirmware_gpu_virtualization_supported(adev)) |
6867e1b5 ML |
3125 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; |
3126 | } else { | |
3127 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
3128 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
3129 | } | |
3130 | ||
3131 | if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)) | |
3132 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); | |
a5bde2f9 | 3133 | } |
048765ad AR |
3134 | } |
3135 | ||
e3ecdffa AD |
3136 | /** |
3137 | * amdgpu_device_asic_has_dc_support - determine if DC supports the asic | |
3138 | * | |
3139 | * @asic_type: AMD asic type | |
3140 | * | |
3141 | * Check if there is DC (new modesetting infrastructre) support for an asic. | |
3142 | * returns true if DC has support, false if not. | |
3143 | */ | |
4562236b HW |
3144 | bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) |
3145 | { | |
3146 | switch (asic_type) { | |
3147 | #if defined(CONFIG_DRM_AMD_DC) | |
64200c46 MR |
3148 | #if defined(CONFIG_DRM_AMD_DC_SI) |
3149 | case CHIP_TAHITI: | |
3150 | case CHIP_PITCAIRN: | |
3151 | case CHIP_VERDE: | |
3152 | case CHIP_OLAND: | |
3153 | #endif | |
4562236b | 3154 | case CHIP_BONAIRE: |
0d6fbccb | 3155 | case CHIP_KAVERI: |
367e6687 AD |
3156 | case CHIP_KABINI: |
3157 | case CHIP_MULLINS: | |
d9fda248 HW |
3158 | /* |
3159 | * We have systems in the wild with these ASICs that require | |
3160 | * LVDS and VGA support which is not supported with DC. | |
3161 | * | |
3162 | * Fallback to the non-DC driver here by default so as not to | |
3163 | * cause regressions. | |
3164 | */ | |
3165 | return amdgpu_dc > 0; | |
3166 | case CHIP_HAWAII: | |
4562236b HW |
3167 | case CHIP_CARRIZO: |
3168 | case CHIP_STONEY: | |
4562236b | 3169 | case CHIP_POLARIS10: |
675fd32b | 3170 | case CHIP_POLARIS11: |
2c8ad2d5 | 3171 | case CHIP_POLARIS12: |
675fd32b | 3172 | case CHIP_VEGAM: |
4562236b HW |
3173 | case CHIP_TONGA: |
3174 | case CHIP_FIJI: | |
42f8ffa1 | 3175 | case CHIP_VEGA10: |
dca7b401 | 3176 | case CHIP_VEGA12: |
c6034aa2 | 3177 | case CHIP_VEGA20: |
b86a1aa3 | 3178 | #if defined(CONFIG_DRM_AMD_DC_DCN) |
fd187853 | 3179 | case CHIP_RAVEN: |
b4f199c7 | 3180 | case CHIP_NAVI10: |
8fceceb6 | 3181 | case CHIP_NAVI14: |
078655d9 | 3182 | case CHIP_NAVI12: |
e1c14c43 | 3183 | case CHIP_RENOIR: |
81d9bfb8 | 3184 | case CHIP_SIENNA_CICHLID: |
a6c5308f | 3185 | case CHIP_NAVY_FLOUNDER: |
7cc656e2 | 3186 | case CHIP_DIMGREY_CAVEFISH: |
ddaed58b | 3187 | case CHIP_BEIGE_GOBY: |
84b934bc | 3188 | case CHIP_VANGOGH: |
c8b73f7f | 3189 | case CHIP_YELLOW_CARP: |
42f8ffa1 | 3190 | #endif |
fd187853 | 3191 | return amdgpu_dc != 0; |
4562236b HW |
3192 | #endif |
3193 | default: | |
93b09a9a | 3194 | if (amdgpu_dc > 0) |
044a48f4 | 3195 | DRM_INFO_ONCE("Display Core has been requested via kernel parameter " |
93b09a9a | 3196 | "but isn't supported by ASIC, ignoring\n"); |
4562236b HW |
3197 | return false; |
3198 | } | |
3199 | } | |
3200 | ||
3201 | /** | |
3202 | * amdgpu_device_has_dc_support - check if dc is supported | |
3203 | * | |
982a820b | 3204 | * @adev: amdgpu_device pointer |
4562236b HW |
3205 | * |
3206 | * Returns true for supported, false for not supported | |
3207 | */ | |
3208 | bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) | |
3209 | { | |
abaf210c AS |
3210 | if (amdgpu_sriov_vf(adev) || |
3211 | adev->enable_virtual_display || | |
3212 | (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) | |
2555039d XY |
3213 | return false; |
3214 | ||
4562236b HW |
3215 | return amdgpu_device_asic_has_dc_support(adev->asic_type); |
3216 | } | |
3217 | ||
d4535e2c AG |
3218 | static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) |
3219 | { | |
3220 | struct amdgpu_device *adev = | |
3221 | container_of(__work, struct amdgpu_device, xgmi_reset_work); | |
d95e8e97 | 3222 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); |
d4535e2c | 3223 | |
c6a6e2db AG |
3224 | /* It's a bug to not have a hive within this function */ |
3225 | if (WARN_ON(!hive)) | |
3226 | return; | |
3227 | ||
3228 | /* | |
3229 | * Use task barrier to synchronize all xgmi reset works across the | |
3230 | * hive. task_barrier_enter and task_barrier_exit will block | |
3231 | * until all the threads running the xgmi reset works reach | |
3232 | * those points. task_barrier_full will do both blocks. | |
3233 | */ | |
3234 | if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { | |
3235 | ||
3236 | task_barrier_enter(&hive->tb); | |
4a580877 | 3237 | adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev)); |
c6a6e2db AG |
3238 | |
3239 | if (adev->asic_reset_res) | |
3240 | goto fail; | |
3241 | ||
3242 | task_barrier_exit(&hive->tb); | |
4a580877 | 3243 | adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev)); |
c6a6e2db AG |
3244 | |
3245 | if (adev->asic_reset_res) | |
3246 | goto fail; | |
43c4d576 | 3247 | |
8bc7b360 HZ |
3248 | if (adev->mmhub.ras_funcs && |
3249 | adev->mmhub.ras_funcs->reset_ras_error_count) | |
3250 | adev->mmhub.ras_funcs->reset_ras_error_count(adev); | |
c6a6e2db AG |
3251 | } else { |
3252 | ||
3253 | task_barrier_full(&hive->tb); | |
3254 | adev->asic_reset_res = amdgpu_asic_reset(adev); | |
3255 | } | |
ce316fa5 | 3256 | |
c6a6e2db | 3257 | fail: |
d4535e2c | 3258 | if (adev->asic_reset_res) |
fed184e9 | 3259 | DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 3260 | adev->asic_reset_res, adev_to_drm(adev)->unique); |
d95e8e97 | 3261 | amdgpu_put_xgmi_hive(hive); |
d4535e2c AG |
3262 | } |
3263 | ||
71f98027 AD |
3264 | static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) |
3265 | { | |
3266 | char *input = amdgpu_lockup_timeout; | |
3267 | char *timeout_setting = NULL; | |
3268 | int index = 0; | |
3269 | long timeout; | |
3270 | int ret = 0; | |
3271 | ||
3272 | /* | |
67387dfe AD |
3273 | * By default timeout for non compute jobs is 10000 |
3274 | * and 60000 for compute jobs. | |
71f98027 | 3275 | * In SR-IOV or passthrough mode, timeout for compute |
b7b2a316 | 3276 | * jobs are 60000 by default. |
71f98027 AD |
3277 | */ |
3278 | adev->gfx_timeout = msecs_to_jiffies(10000); | |
3279 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; | |
9882e278 ED |
3280 | if (amdgpu_sriov_vf(adev)) |
3281 | adev->compute_timeout = amdgpu_sriov_is_pp_one_vf(adev) ? | |
3282 | msecs_to_jiffies(60000) : msecs_to_jiffies(10000); | |
71f98027 | 3283 | else |
67387dfe | 3284 | adev->compute_timeout = msecs_to_jiffies(60000); |
71f98027 | 3285 | |
f440ff44 | 3286 | if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 | 3287 | while ((timeout_setting = strsep(&input, ",")) && |
f440ff44 | 3288 | strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 AD |
3289 | ret = kstrtol(timeout_setting, 0, &timeout); |
3290 | if (ret) | |
3291 | return ret; | |
3292 | ||
3293 | if (timeout == 0) { | |
3294 | index++; | |
3295 | continue; | |
3296 | } else if (timeout < 0) { | |
3297 | timeout = MAX_SCHEDULE_TIMEOUT; | |
3298 | } else { | |
3299 | timeout = msecs_to_jiffies(timeout); | |
3300 | } | |
3301 | ||
3302 | switch (index++) { | |
3303 | case 0: | |
3304 | adev->gfx_timeout = timeout; | |
3305 | break; | |
3306 | case 1: | |
3307 | adev->compute_timeout = timeout; | |
3308 | break; | |
3309 | case 2: | |
3310 | adev->sdma_timeout = timeout; | |
3311 | break; | |
3312 | case 3: | |
3313 | adev->video_timeout = timeout; | |
3314 | break; | |
3315 | default: | |
3316 | break; | |
3317 | } | |
3318 | } | |
3319 | /* | |
3320 | * There is only one value specified and | |
3321 | * it should apply to all non-compute jobs. | |
3322 | */ | |
bcccee89 | 3323 | if (index == 1) { |
71f98027 | 3324 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; |
bcccee89 ED |
3325 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) |
3326 | adev->compute_timeout = adev->gfx_timeout; | |
3327 | } | |
71f98027 AD |
3328 | } |
3329 | ||
3330 | return ret; | |
3331 | } | |
d4535e2c | 3332 | |
77f3a5cd ND |
3333 | static const struct attribute *amdgpu_dev_attributes[] = { |
3334 | &dev_attr_product_name.attr, | |
3335 | &dev_attr_product_number.attr, | |
3336 | &dev_attr_serial_number.attr, | |
3337 | &dev_attr_pcie_replay_count.attr, | |
3338 | NULL | |
3339 | }; | |
3340 | ||
d38ceaf9 AD |
3341 | /** |
3342 | * amdgpu_device_init - initialize the driver | |
3343 | * | |
3344 | * @adev: amdgpu_device pointer | |
d38ceaf9 AD |
3345 | * @flags: driver flags |
3346 | * | |
3347 | * Initializes the driver info and hw (all asics). | |
3348 | * Returns 0 for success or an error on failure. | |
3349 | * Called at driver startup. | |
3350 | */ | |
3351 | int amdgpu_device_init(struct amdgpu_device *adev, | |
d38ceaf9 AD |
3352 | uint32_t flags) |
3353 | { | |
8aba21b7 LT |
3354 | struct drm_device *ddev = adev_to_drm(adev); |
3355 | struct pci_dev *pdev = adev->pdev; | |
d38ceaf9 | 3356 | int r, i; |
b98c6299 | 3357 | bool px = false; |
95844d20 | 3358 | u32 max_MBps; |
d38ceaf9 AD |
3359 | |
3360 | adev->shutdown = false; | |
d38ceaf9 | 3361 | adev->flags = flags; |
4e66d7d2 YZ |
3362 | |
3363 | if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST) | |
3364 | adev->asic_type = amdgpu_force_asic_type; | |
3365 | else | |
3366 | adev->asic_type = flags & AMD_ASIC_MASK; | |
3367 | ||
d38ceaf9 | 3368 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
593aa2d2 | 3369 | if (amdgpu_emu_mode == 1) |
8bdab6bb | 3370 | adev->usec_timeout *= 10; |
770d13b1 | 3371 | adev->gmc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
3372 | adev->accel_working = false; |
3373 | adev->num_rings = 0; | |
3374 | adev->mman.buffer_funcs = NULL; | |
3375 | adev->mman.buffer_funcs_ring = NULL; | |
3376 | adev->vm_manager.vm_pte_funcs = NULL; | |
0c88b430 | 3377 | adev->vm_manager.vm_pte_num_scheds = 0; |
132f34e4 | 3378 | adev->gmc.gmc_funcs = NULL; |
7bd939d0 | 3379 | adev->harvest_ip_mask = 0x0; |
f54d1867 | 3380 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
b8866c26 | 3381 | bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); |
d38ceaf9 AD |
3382 | |
3383 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
3384 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
3385 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
3386 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
3387 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
3388 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
4fa1c6a6 TZ |
3389 | adev->pcie_rreg64 = &amdgpu_invalid_rreg64; |
3390 | adev->pcie_wreg64 = &amdgpu_invalid_wreg64; | |
d38ceaf9 AD |
3391 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
3392 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
3393 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
3394 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
3395 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
3396 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
3397 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
3398 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
3399 | ||
3e39ab90 AD |
3400 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
3401 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
3402 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
3403 | |
3404 | /* mutex initialization are all done here so we | |
3405 | * can recall function without having locking issues */ | |
0e5ca0d1 | 3406 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
3407 | mutex_init(&adev->pm.mutex); |
3408 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
3409 | mutex_init(&adev->srbm_mutex); | |
b8866c26 | 3410 | mutex_init(&adev->gfx.pipe_reserve_mutex); |
d23ee13f | 3411 | mutex_init(&adev->gfx.gfx_off_mutex); |
d38ceaf9 | 3412 | mutex_init(&adev->grbm_idx_mutex); |
d38ceaf9 | 3413 | mutex_init(&adev->mn_lock); |
e23b74aa | 3414 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 | 3415 | hash_init(adev->mn_hash); |
53b3f8f4 | 3416 | atomic_set(&adev->in_gpu_reset, 0); |
6049db43 | 3417 | init_rwsem(&adev->reset_sem); |
32eaeae0 | 3418 | mutex_init(&adev->psp.mutex); |
bd052211 | 3419 | mutex_init(&adev->notifier_lock); |
d38ceaf9 | 3420 | |
9f6a7857 HR |
3421 | r = amdgpu_device_init_apu_flags(adev); |
3422 | if (r) | |
3423 | return r; | |
3424 | ||
912dfc84 EQ |
3425 | r = amdgpu_device_check_arguments(adev); |
3426 | if (r) | |
3427 | return r; | |
d38ceaf9 | 3428 | |
d38ceaf9 AD |
3429 | spin_lock_init(&adev->mmio_idx_lock); |
3430 | spin_lock_init(&adev->smc_idx_lock); | |
3431 | spin_lock_init(&adev->pcie_idx_lock); | |
3432 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
3433 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 3434 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 3435 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 3436 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 3437 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 3438 | |
0c4e7fa5 CZ |
3439 | INIT_LIST_HEAD(&adev->shadow_list); |
3440 | mutex_init(&adev->shadow_list_lock); | |
3441 | ||
655ce9cb | 3442 | INIT_LIST_HEAD(&adev->reset_list); |
3443 | ||
beff74bc AD |
3444 | INIT_DELAYED_WORK(&adev->delayed_init_work, |
3445 | amdgpu_device_delayed_init_work_handler); | |
1e317b99 RZ |
3446 | INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, |
3447 | amdgpu_device_delay_enable_gfx_off); | |
2dc80b00 | 3448 | |
d4535e2c AG |
3449 | INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |
3450 | ||
d23ee13f | 3451 | adev->gfx.gfx_off_req_count = 1; |
b6e79d9a | 3452 | adev->pm.ac_power = power_supply_is_system_supplied() > 0; |
b1ddf548 | 3453 | |
b265bdbd EQ |
3454 | atomic_set(&adev->throttling_logging_enabled, 1); |
3455 | /* | |
3456 | * If throttling continues, logging will be performed every minute | |
3457 | * to avoid log flooding. "-1" is subtracted since the thermal | |
3458 | * throttling interrupt comes every second. Thus, the total logging | |
3459 | * interval is 59 seconds(retelimited printk interval) + 1(waiting | |
3460 | * for throttling interrupt) = 60 seconds. | |
3461 | */ | |
3462 | ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZ, 1); | |
3463 | ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE); | |
3464 | ||
0fa49558 AX |
3465 | /* Registers mapping */ |
3466 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
3467 | if (adev->asic_type >= CHIP_BONAIRE) { |
3468 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
3469 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
3470 | } else { | |
3471 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
3472 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
3473 | } | |
d38ceaf9 | 3474 | |
d38ceaf9 AD |
3475 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
3476 | if (adev->rmmio == NULL) { | |
3477 | return -ENOMEM; | |
3478 | } | |
3479 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
3480 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
3481 | ||
b2109d8e JX |
3482 | /* enable PCIE atomic ops */ |
3483 | r = pci_enable_atomic_ops_to_root(adev->pdev, | |
3484 | PCI_EXP_DEVCAP2_ATOMIC_COMP32 | | |
3485 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); | |
3486 | if (r) { | |
3487 | adev->have_atomics_support = false; | |
3488 | DRM_INFO("PCIE atomic ops is not supported\n"); | |
3489 | } else { | |
3490 | adev->have_atomics_support = true; | |
3491 | } | |
3492 | ||
5494d864 AD |
3493 | amdgpu_device_get_pcie_info(adev); |
3494 | ||
b239c017 JX |
3495 | if (amdgpu_mcbp) |
3496 | DRM_INFO("MCBP is enabled\n"); | |
3497 | ||
5f84cc63 JX |
3498 | if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10) |
3499 | adev->enable_mes = true; | |
3500 | ||
3aa0115d ML |
3501 | /* detect hw virtualization here */ |
3502 | amdgpu_detect_virtualization(adev); | |
3503 | ||
dffa11b4 ML |
3504 | r = amdgpu_device_get_job_timeout_settings(adev); |
3505 | if (r) { | |
3506 | dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); | |
4ef87d8f | 3507 | return r; |
a190d1c7 XY |
3508 | } |
3509 | ||
d38ceaf9 | 3510 | /* early init functions */ |
06ec9070 | 3511 | r = amdgpu_device_ip_early_init(adev); |
d38ceaf9 | 3512 | if (r) |
4ef87d8f | 3513 | return r; |
d38ceaf9 | 3514 | |
6585661d OZ |
3515 | /* doorbell bar mapping and doorbell index init*/ |
3516 | amdgpu_device_doorbell_init(adev); | |
3517 | ||
9475a943 SL |
3518 | if (amdgpu_emu_mode == 1) { |
3519 | /* post the asic on emulation mode */ | |
3520 | emu_soc_asic_init(adev); | |
bfca0289 | 3521 | goto fence_driver_init; |
9475a943 | 3522 | } |
bfca0289 | 3523 | |
04442bf7 LL |
3524 | amdgpu_reset_init(adev); |
3525 | ||
4e99a44e ML |
3526 | /* detect if we are with an SRIOV vbios */ |
3527 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 3528 | |
95e8e59e AD |
3529 | /* check if we need to reset the asic |
3530 | * E.g., driver was not cleanly unloaded previously, etc. | |
3531 | */ | |
f14899fd | 3532 | if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { |
e3c1b071 | 3533 | if (adev->gmc.xgmi.num_physical_nodes) { |
3534 | dev_info(adev->dev, "Pending hive reset.\n"); | |
3535 | adev->gmc.xgmi.pending_reset = true; | |
3536 | /* Only need to init necessary block for SMU to handle the reset */ | |
3537 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
3538 | if (!adev->ip_blocks[i].status.valid) | |
3539 | continue; | |
3540 | if (!(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
3541 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
3542 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || | |
3543 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC)) { | |
751f43e7 | 3544 | DRM_DEBUG("IP %s disabled for hw_init.\n", |
e3c1b071 | 3545 | adev->ip_blocks[i].version->funcs->name); |
3546 | adev->ip_blocks[i].status.hw = true; | |
3547 | } | |
3548 | } | |
3549 | } else { | |
3550 | r = amdgpu_asic_reset(adev); | |
3551 | if (r) { | |
3552 | dev_err(adev->dev, "asic reset on init failed\n"); | |
3553 | goto failed; | |
3554 | } | |
95e8e59e AD |
3555 | } |
3556 | } | |
3557 | ||
8f66090b | 3558 | pci_enable_pcie_error_reporting(adev->pdev); |
c9a6b82f | 3559 | |
d38ceaf9 | 3560 | /* Post card if necessary */ |
39c640c0 | 3561 | if (amdgpu_device_need_post(adev)) { |
d38ceaf9 | 3562 | if (!adev->bios) { |
bec86378 | 3563 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
3564 | r = -EINVAL; |
3565 | goto failed; | |
d38ceaf9 | 3566 | } |
bec86378 | 3567 | DRM_INFO("GPU posting now...\n"); |
4d2997ab | 3568 | r = amdgpu_device_asic_init(adev); |
4e99a44e ML |
3569 | if (r) { |
3570 | dev_err(adev->dev, "gpu post error!\n"); | |
3571 | goto failed; | |
3572 | } | |
d38ceaf9 AD |
3573 | } |
3574 | ||
88b64e95 AD |
3575 | if (adev->is_atom_fw) { |
3576 | /* Initialize clocks */ | |
3577 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
3578 | if (r) { | |
3579 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
e23b74aa | 3580 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
88b64e95 AD |
3581 | goto failed; |
3582 | } | |
3583 | } else { | |
a5bde2f9 AD |
3584 | /* Initialize clocks */ |
3585 | r = amdgpu_atombios_get_clock_info(adev); | |
3586 | if (r) { | |
3587 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
e23b74aa | 3588 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
89041940 | 3589 | goto failed; |
a5bde2f9 AD |
3590 | } |
3591 | /* init i2c buses */ | |
4562236b HW |
3592 | if (!amdgpu_device_has_dc_support(adev)) |
3593 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 3594 | } |
d38ceaf9 | 3595 | |
bfca0289 | 3596 | fence_driver_init: |
d38ceaf9 AD |
3597 | /* Fence driver */ |
3598 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
3599 | if (r) { |
3600 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
e23b74aa | 3601 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 3602 | goto failed; |
2c1a2784 | 3603 | } |
d38ceaf9 AD |
3604 | |
3605 | /* init the mode config */ | |
4a580877 | 3606 | drm_mode_config_init(adev_to_drm(adev)); |
d38ceaf9 | 3607 | |
06ec9070 | 3608 | r = amdgpu_device_ip_init(adev); |
d38ceaf9 | 3609 | if (r) { |
8840a387 | 3610 | /* failed in exclusive mode due to timeout */ |
3611 | if (amdgpu_sriov_vf(adev) && | |
3612 | !amdgpu_sriov_runtime(adev) && | |
3613 | amdgpu_virt_mmio_blocked(adev) && | |
3614 | !amdgpu_virt_wait_reset(adev)) { | |
3615 | dev_err(adev->dev, "VF exclusive mode timeout\n"); | |
1daee8b4 PD |
3616 | /* Don't send request since VF is inactive. */ |
3617 | adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; | |
3618 | adev->virt.ops = NULL; | |
8840a387 | 3619 | r = -EAGAIN; |
970fd197 | 3620 | goto release_ras_con; |
8840a387 | 3621 | } |
06ec9070 | 3622 | dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); |
e23b74aa | 3623 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
970fd197 | 3624 | goto release_ras_con; |
d38ceaf9 AD |
3625 | } |
3626 | ||
d69b8971 YZ |
3627 | dev_info(adev->dev, |
3628 | "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n", | |
d7f72fe4 YZ |
3629 | adev->gfx.config.max_shader_engines, |
3630 | adev->gfx.config.max_sh_per_se, | |
3631 | adev->gfx.config.max_cu_per_sh, | |
3632 | adev->gfx.cu_info.number); | |
3633 | ||
d38ceaf9 AD |
3634 | adev->accel_working = true; |
3635 | ||
e59c0205 AX |
3636 | amdgpu_vm_check_compute_bug(adev); |
3637 | ||
95844d20 MO |
3638 | /* Initialize the buffer migration limit. */ |
3639 | if (amdgpu_moverate >= 0) | |
3640 | max_MBps = amdgpu_moverate; | |
3641 | else | |
3642 | max_MBps = 8; /* Allow 8 MB/s. */ | |
3643 | /* Get a log2 for easy divisions. */ | |
3644 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
3645 | ||
9bc92b9c ML |
3646 | amdgpu_fbdev_init(adev); |
3647 | ||
d2f52ac8 | 3648 | r = amdgpu_pm_sysfs_init(adev); |
7c868b59 YT |
3649 | if (r) { |
3650 | adev->pm_sysfs_en = false; | |
d2f52ac8 | 3651 | DRM_ERROR("registering pm debugfs failed (%d).\n", r); |
7c868b59 YT |
3652 | } else |
3653 | adev->pm_sysfs_en = true; | |
d2f52ac8 | 3654 | |
5bb23532 | 3655 | r = amdgpu_ucode_sysfs_init(adev); |
7c868b59 YT |
3656 | if (r) { |
3657 | adev->ucode_sysfs_en = false; | |
5bb23532 | 3658 | DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); |
7c868b59 YT |
3659 | } else |
3660 | adev->ucode_sysfs_en = true; | |
5bb23532 | 3661 | |
d38ceaf9 AD |
3662 | if ((amdgpu_testing & 1)) { |
3663 | if (adev->accel_working) | |
3664 | amdgpu_test_moves(adev); | |
3665 | else | |
3666 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
3667 | } | |
d38ceaf9 AD |
3668 | if (amdgpu_benchmarking) { |
3669 | if (adev->accel_working) | |
3670 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
3671 | else | |
3672 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
3673 | } | |
3674 | ||
b0adca4d EQ |
3675 | /* |
3676 | * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. | |
3677 | * Otherwise the mgpu fan boost feature will be skipped due to the | |
3678 | * gpu instance is counted less. | |
3679 | */ | |
3680 | amdgpu_register_gpu_instance(adev); | |
3681 | ||
d38ceaf9 AD |
3682 | /* enable clockgating, etc. after ib tests, etc. since some blocks require |
3683 | * explicit gating rather than handling it automatically. | |
3684 | */ | |
e3c1b071 | 3685 | if (!adev->gmc.xgmi.pending_reset) { |
3686 | r = amdgpu_device_ip_late_init(adev); | |
3687 | if (r) { | |
3688 | dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); | |
3689 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); | |
970fd197 | 3690 | goto release_ras_con; |
e3c1b071 | 3691 | } |
3692 | /* must succeed. */ | |
3693 | amdgpu_ras_resume(adev); | |
3694 | queue_delayed_work(system_wq, &adev->delayed_init_work, | |
3695 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
2c1a2784 | 3696 | } |
d38ceaf9 | 3697 | |
2c738637 ML |
3698 | if (amdgpu_sriov_vf(adev)) |
3699 | flush_delayed_work(&adev->delayed_init_work); | |
3700 | ||
77f3a5cd | 3701 | r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes); |
5aea5327 | 3702 | if (r) |
77f3a5cd | 3703 | dev_err(adev->dev, "Could not create amdgpu device attr\n"); |
bd607166 | 3704 | |
d155bef0 AB |
3705 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3706 | r = amdgpu_pmu_init(adev); | |
9c7c85f7 JK |
3707 | if (r) |
3708 | dev_err(adev->dev, "amdgpu_pmu_init failed\n"); | |
3709 | ||
c1dd4aa6 AG |
3710 | /* Have stored pci confspace at hand for restore in sudden PCI error */ |
3711 | if (amdgpu_device_cache_pci_state(adev->pdev)) | |
3712 | pci_restore_state(pdev); | |
3713 | ||
8c3dd61c KHF |
3714 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ |
3715 | /* this will fail for cards that aren't VGA class devices, just | |
3716 | * ignore it */ | |
3717 | if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) | |
3718 | vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); | |
3719 | ||
3720 | if (amdgpu_device_supports_px(ddev)) { | |
3721 | px = true; | |
3722 | vga_switcheroo_register_client(adev->pdev, | |
3723 | &amdgpu_switcheroo_ops, px); | |
3724 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); | |
3725 | } | |
3726 | ||
e3c1b071 | 3727 | if (adev->gmc.xgmi.pending_reset) |
3728 | queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work, | |
3729 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3730 | ||
d38ceaf9 | 3731 | return 0; |
83ba126a | 3732 | |
970fd197 SY |
3733 | release_ras_con: |
3734 | amdgpu_release_ras_context(adev); | |
3735 | ||
83ba126a | 3736 | failed: |
89041940 | 3737 | amdgpu_vf_error_trans_all(adev); |
8840a387 | 3738 | |
83ba126a | 3739 | return r; |
d38ceaf9 AD |
3740 | } |
3741 | ||
07775fc1 AG |
3742 | static void amdgpu_device_unmap_mmio(struct amdgpu_device *adev) |
3743 | { | |
3744 | /* Clear all CPU mappings pointing to this device */ | |
3745 | unmap_mapping_range(adev->ddev.anon_inode->i_mapping, 0, 0, 1); | |
3746 | ||
3747 | /* Unmap all mapped bars - Doorbell, registers and VRAM */ | |
3748 | amdgpu_device_doorbell_fini(adev); | |
3749 | ||
3750 | iounmap(adev->rmmio); | |
3751 | adev->rmmio = NULL; | |
3752 | if (adev->mman.aper_base_kaddr) | |
3753 | iounmap(adev->mman.aper_base_kaddr); | |
3754 | adev->mman.aper_base_kaddr = NULL; | |
3755 | ||
3756 | /* Memory manager related */ | |
3757 | if (!adev->gmc.xgmi.connected_to_cpu) { | |
3758 | arch_phys_wc_del(adev->gmc.vram_mtrr); | |
3759 | arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size); | |
3760 | } | |
3761 | } | |
3762 | ||
d38ceaf9 AD |
3763 | /** |
3764 | * amdgpu_device_fini - tear down the driver | |
3765 | * | |
3766 | * @adev: amdgpu_device pointer | |
3767 | * | |
3768 | * Tear down the driver info (all asics). | |
3769 | * Called at driver shutdown. | |
3770 | */ | |
72c8c97b | 3771 | void amdgpu_device_fini_hw(struct amdgpu_device *adev) |
d38ceaf9 | 3772 | { |
aac89168 | 3773 | dev_info(adev->dev, "amdgpu: finishing device.\n"); |
9f875167 | 3774 | flush_delayed_work(&adev->delayed_init_work); |
bb0cd09b | 3775 | ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); |
d0d13fe8 | 3776 | adev->shutdown = true; |
9f875167 | 3777 | |
752c683d ML |
3778 | /* make sure IB test finished before entering exclusive mode |
3779 | * to avoid preemption on IB test | |
3780 | * */ | |
519b8b76 | 3781 | if (amdgpu_sriov_vf(adev)) { |
752c683d | 3782 | amdgpu_virt_request_full_gpu(adev, false); |
519b8b76 BZ |
3783 | amdgpu_virt_fini_data_exchange(adev); |
3784 | } | |
752c683d | 3785 | |
e5b03032 ML |
3786 | /* disable all interrupts */ |
3787 | amdgpu_irq_disable_all(adev); | |
ff97cba8 ML |
3788 | if (adev->mode_info.mode_config_initialized){ |
3789 | if (!amdgpu_device_has_dc_support(adev)) | |
4a580877 | 3790 | drm_helper_force_disable_all(adev_to_drm(adev)); |
ff97cba8 | 3791 | else |
4a580877 | 3792 | drm_atomic_helper_shutdown(adev_to_drm(adev)); |
ff97cba8 | 3793 | } |
72c8c97b AG |
3794 | amdgpu_fence_driver_fini_hw(adev); |
3795 | ||
7c868b59 YT |
3796 | if (adev->pm_sysfs_en) |
3797 | amdgpu_pm_sysfs_fini(adev); | |
72c8c97b AG |
3798 | if (adev->ucode_sysfs_en) |
3799 | amdgpu_ucode_sysfs_fini(adev); | |
3800 | sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes); | |
3801 | ||
d38ceaf9 | 3802 | amdgpu_fbdev_fini(adev); |
72c8c97b AG |
3803 | |
3804 | amdgpu_irq_fini_hw(adev); | |
e9669fb7 AG |
3805 | |
3806 | amdgpu_device_ip_fini_early(adev); | |
d10d0daa AG |
3807 | |
3808 | amdgpu_gart_dummy_page_fini(adev); | |
07775fc1 AG |
3809 | |
3810 | amdgpu_device_unmap_mmio(adev); | |
72c8c97b AG |
3811 | } |
3812 | ||
3813 | void amdgpu_device_fini_sw(struct amdgpu_device *adev) | |
3814 | { | |
e230ac11 | 3815 | amdgpu_device_ip_fini(adev); |
72c8c97b | 3816 | amdgpu_fence_driver_fini_sw(adev); |
75e1658e ND |
3817 | release_firmware(adev->firmware.gpu_info_fw); |
3818 | adev->firmware.gpu_info_fw = NULL; | |
d38ceaf9 | 3819 | adev->accel_working = false; |
04442bf7 LL |
3820 | |
3821 | amdgpu_reset_fini(adev); | |
3822 | ||
d38ceaf9 | 3823 | /* free i2c buses */ |
4562236b HW |
3824 | if (!amdgpu_device_has_dc_support(adev)) |
3825 | amdgpu_i2c_fini(adev); | |
bfca0289 SL |
3826 | |
3827 | if (amdgpu_emu_mode != 1) | |
3828 | amdgpu_atombios_fini(adev); | |
3829 | ||
d38ceaf9 AD |
3830 | kfree(adev->bios); |
3831 | adev->bios = NULL; | |
b98c6299 | 3832 | if (amdgpu_device_supports_px(adev_to_drm(adev))) { |
84c8b22e | 3833 | vga_switcheroo_unregister_client(adev->pdev); |
83ba126a | 3834 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
b98c6299 | 3835 | } |
38d6be81 AD |
3836 | if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) |
3837 | vga_client_register(adev->pdev, NULL, NULL, NULL); | |
e9bc1bf7 | 3838 | |
d155bef0 AB |
3839 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3840 | amdgpu_pmu_fini(adev); | |
72de33f8 | 3841 | if (adev->mman.discovery_bin) |
a190d1c7 | 3842 | amdgpu_discovery_fini(adev); |
72c8c97b AG |
3843 | |
3844 | kfree(adev->pci_state); | |
3845 | ||
d38ceaf9 AD |
3846 | } |
3847 | ||
3848 | ||
3849 | /* | |
3850 | * Suspend & resume. | |
3851 | */ | |
3852 | /** | |
810ddc3a | 3853 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 | 3854 | * |
87e3f136 | 3855 | * @dev: drm dev pointer |
87e3f136 | 3856 | * @fbcon : notify the fbdev of suspend |
d38ceaf9 AD |
3857 | * |
3858 | * Puts the hw in the suspend state (all asics). | |
3859 | * Returns 0 for success or an error on failure. | |
3860 | * Called at driver suspend. | |
3861 | */ | |
de185019 | 3862 | int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) |
d38ceaf9 | 3863 | { |
a2e15b0e | 3864 | struct amdgpu_device *adev = drm_to_adev(dev); |
d38ceaf9 | 3865 | |
d38ceaf9 AD |
3866 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
3867 | return 0; | |
3868 | ||
44779b43 | 3869 | adev->in_suspend = true; |
3fa8f89d S |
3870 | |
3871 | if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D3)) | |
3872 | DRM_WARN("smart shift update failed\n"); | |
3873 | ||
d38ceaf9 AD |
3874 | drm_kms_helper_poll_disable(dev); |
3875 | ||
5f818173 S |
3876 | if (fbcon) |
3877 | amdgpu_fbdev_set_suspend(adev, 1); | |
3878 | ||
beff74bc | 3879 | cancel_delayed_work_sync(&adev->delayed_init_work); |
a5459475 | 3880 | |
5e6932fe | 3881 | amdgpu_ras_suspend(adev); |
3882 | ||
2196927b | 3883 | amdgpu_device_ip_suspend_phase1(adev); |
fe1053b7 | 3884 | |
5d3a2d95 AD |
3885 | if (!adev->in_s0ix) |
3886 | amdgpu_amdkfd_suspend(adev, adev->in_runpm); | |
94fa5660 | 3887 | |
d38ceaf9 AD |
3888 | /* evict vram memory */ |
3889 | amdgpu_bo_evict_vram(adev); | |
3890 | ||
5ceb54c6 | 3891 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 | 3892 | |
2196927b | 3893 | amdgpu_device_ip_suspend_phase2(adev); |
a0a71e49 AD |
3894 | /* evict remaining vram memory |
3895 | * This second call to evict vram is to evict the gart page table | |
3896 | * using the CPU. | |
3897 | */ | |
d38ceaf9 AD |
3898 | amdgpu_bo_evict_vram(adev); |
3899 | ||
d38ceaf9 AD |
3900 | return 0; |
3901 | } | |
3902 | ||
3903 | /** | |
810ddc3a | 3904 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 | 3905 | * |
87e3f136 | 3906 | * @dev: drm dev pointer |
87e3f136 | 3907 | * @fbcon : notify the fbdev of resume |
d38ceaf9 AD |
3908 | * |
3909 | * Bring the hw back to operating state (all asics). | |
3910 | * Returns 0 for success or an error on failure. | |
3911 | * Called at driver resume. | |
3912 | */ | |
de185019 | 3913 | int amdgpu_device_resume(struct drm_device *dev, bool fbcon) |
d38ceaf9 | 3914 | { |
1348969a | 3915 | struct amdgpu_device *adev = drm_to_adev(dev); |
03161a6e | 3916 | int r = 0; |
d38ceaf9 AD |
3917 | |
3918 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
3919 | return 0; | |
3920 | ||
62498733 | 3921 | if (adev->in_s0ix) |
628c36d7 PL |
3922 | amdgpu_gfx_state_change_set(adev, sGpuChangeState_D0Entry); |
3923 | ||
d38ceaf9 | 3924 | /* post card */ |
39c640c0 | 3925 | if (amdgpu_device_need_post(adev)) { |
4d2997ab | 3926 | r = amdgpu_device_asic_init(adev); |
74b0b157 | 3927 | if (r) |
aac89168 | 3928 | dev_err(adev->dev, "amdgpu asic init failed\n"); |
74b0b157 | 3929 | } |
d38ceaf9 | 3930 | |
06ec9070 | 3931 | r = amdgpu_device_ip_resume(adev); |
e6707218 | 3932 | if (r) { |
aac89168 | 3933 | dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r); |
4d3b9ae5 | 3934 | return r; |
e6707218 | 3935 | } |
5ceb54c6 AD |
3936 | amdgpu_fence_driver_resume(adev); |
3937 | ||
d38ceaf9 | 3938 | |
06ec9070 | 3939 | r = amdgpu_device_ip_late_init(adev); |
03161a6e | 3940 | if (r) |
4d3b9ae5 | 3941 | return r; |
d38ceaf9 | 3942 | |
beff74bc AD |
3943 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3944 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3945 | ||
5d3a2d95 AD |
3946 | if (!adev->in_s0ix) { |
3947 | r = amdgpu_amdkfd_resume(adev, adev->in_runpm); | |
3948 | if (r) | |
3949 | return r; | |
3950 | } | |
756e6880 | 3951 | |
96a5d8d4 | 3952 | /* Make sure IB tests flushed */ |
beff74bc | 3953 | flush_delayed_work(&adev->delayed_init_work); |
96a5d8d4 | 3954 | |
a2e15b0e | 3955 | if (fbcon) |
4d3b9ae5 | 3956 | amdgpu_fbdev_set_suspend(adev, 0); |
d38ceaf9 AD |
3957 | |
3958 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 | 3959 | |
5e6932fe | 3960 | amdgpu_ras_resume(adev); |
3961 | ||
23a1a9e5 L |
3962 | /* |
3963 | * Most of the connector probing functions try to acquire runtime pm | |
3964 | * refs to ensure that the GPU is powered on when connector polling is | |
3965 | * performed. Since we're calling this from a runtime PM callback, | |
3966 | * trying to acquire rpm refs will cause us to deadlock. | |
3967 | * | |
3968 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
3969 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
3970 | */ | |
3971 | #ifdef CONFIG_PM | |
3972 | dev->dev->power.disable_depth++; | |
3973 | #endif | |
4562236b HW |
3974 | if (!amdgpu_device_has_dc_support(adev)) |
3975 | drm_helper_hpd_irq_event(dev); | |
3976 | else | |
3977 | drm_kms_helper_hotplug_event(dev); | |
23a1a9e5 L |
3978 | #ifdef CONFIG_PM |
3979 | dev->dev->power.disable_depth--; | |
3980 | #endif | |
44779b43 RZ |
3981 | adev->in_suspend = false; |
3982 | ||
3fa8f89d S |
3983 | if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D0)) |
3984 | DRM_WARN("smart shift update failed\n"); | |
3985 | ||
4d3b9ae5 | 3986 | return 0; |
d38ceaf9 AD |
3987 | } |
3988 | ||
e3ecdffa AD |
3989 | /** |
3990 | * amdgpu_device_ip_check_soft_reset - did soft reset succeed | |
3991 | * | |
3992 | * @adev: amdgpu_device pointer | |
3993 | * | |
3994 | * The list of all the hardware IPs that make up the asic is walked and | |
3995 | * the check_soft_reset callbacks are run. check_soft_reset determines | |
3996 | * if the asic is still hung or not. | |
3997 | * Returns true if any of the IPs are still in a hung state, false if not. | |
3998 | */ | |
06ec9070 | 3999 | static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) |
63fbf42f CZ |
4000 | { |
4001 | int i; | |
4002 | bool asic_hang = false; | |
4003 | ||
f993d628 ML |
4004 | if (amdgpu_sriov_vf(adev)) |
4005 | return true; | |
4006 | ||
8bc04c29 AD |
4007 | if (amdgpu_asic_need_full_reset(adev)) |
4008 | return true; | |
4009 | ||
63fbf42f | 4010 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 4011 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 4012 | continue; |
a1255107 AD |
4013 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
4014 | adev->ip_blocks[i].status.hang = | |
4015 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
4016 | if (adev->ip_blocks[i].status.hang) { | |
aac89168 | 4017 | dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); |
63fbf42f CZ |
4018 | asic_hang = true; |
4019 | } | |
4020 | } | |
4021 | return asic_hang; | |
4022 | } | |
4023 | ||
e3ecdffa AD |
4024 | /** |
4025 | * amdgpu_device_ip_pre_soft_reset - prepare for soft reset | |
4026 | * | |
4027 | * @adev: amdgpu_device pointer | |
4028 | * | |
4029 | * The list of all the hardware IPs that make up the asic is walked and the | |
4030 | * pre_soft_reset callbacks are run if the block is hung. pre_soft_reset | |
4031 | * handles any IP specific hardware or software state changes that are | |
4032 | * necessary for a soft reset to succeed. | |
4033 | * Returns 0 on success, negative error code on failure. | |
4034 | */ | |
06ec9070 | 4035 | static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
4036 | { |
4037 | int i, r = 0; | |
4038 | ||
4039 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4040 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 4041 | continue; |
a1255107 AD |
4042 | if (adev->ip_blocks[i].status.hang && |
4043 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
4044 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
4045 | if (r) |
4046 | return r; | |
4047 | } | |
4048 | } | |
4049 | ||
4050 | return 0; | |
4051 | } | |
4052 | ||
e3ecdffa AD |
4053 | /** |
4054 | * amdgpu_device_ip_need_full_reset - check if a full asic reset is needed | |
4055 | * | |
4056 | * @adev: amdgpu_device pointer | |
4057 | * | |
4058 | * Some hardware IPs cannot be soft reset. If they are hung, a full gpu | |
4059 | * reset is necessary to recover. | |
4060 | * Returns true if a full asic reset is required, false if not. | |
4061 | */ | |
06ec9070 | 4062 | static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) |
35d782fe | 4063 | { |
da146d3b AD |
4064 | int i; |
4065 | ||
8bc04c29 AD |
4066 | if (amdgpu_asic_need_full_reset(adev)) |
4067 | return true; | |
4068 | ||
da146d3b | 4069 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 4070 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 4071 | continue; |
a1255107 AD |
4072 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
4073 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
4074 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
4075 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
4076 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 4077 | if (adev->ip_blocks[i].status.hang) { |
aac89168 | 4078 | dev_info(adev->dev, "Some block need full reset!\n"); |
da146d3b AD |
4079 | return true; |
4080 | } | |
4081 | } | |
35d782fe CZ |
4082 | } |
4083 | return false; | |
4084 | } | |
4085 | ||
e3ecdffa AD |
4086 | /** |
4087 | * amdgpu_device_ip_soft_reset - do a soft reset | |
4088 | * | |
4089 | * @adev: amdgpu_device pointer | |
4090 | * | |
4091 | * The list of all the hardware IPs that make up the asic is walked and the | |
4092 | * soft_reset callbacks are run if the block is hung. soft_reset handles any | |
4093 | * IP specific hardware or software state changes that are necessary to soft | |
4094 | * reset the IP. | |
4095 | * Returns 0 on success, negative error code on failure. | |
4096 | */ | |
06ec9070 | 4097 | static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
4098 | { |
4099 | int i, r = 0; | |
4100 | ||
4101 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4102 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 4103 | continue; |
a1255107 AD |
4104 | if (adev->ip_blocks[i].status.hang && |
4105 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
4106 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
4107 | if (r) |
4108 | return r; | |
4109 | } | |
4110 | } | |
4111 | ||
4112 | return 0; | |
4113 | } | |
4114 | ||
e3ecdffa AD |
4115 | /** |
4116 | * amdgpu_device_ip_post_soft_reset - clean up from soft reset | |
4117 | * | |
4118 | * @adev: amdgpu_device pointer | |
4119 | * | |
4120 | * The list of all the hardware IPs that make up the asic is walked and the | |
4121 | * post_soft_reset callbacks are run if the asic was hung. post_soft_reset | |
4122 | * handles any IP specific hardware or software state changes that are | |
4123 | * necessary after the IP has been soft reset. | |
4124 | * Returns 0 on success, negative error code on failure. | |
4125 | */ | |
06ec9070 | 4126 | static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
4127 | { |
4128 | int i, r = 0; | |
4129 | ||
4130 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 4131 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 4132 | continue; |
a1255107 AD |
4133 | if (adev->ip_blocks[i].status.hang && |
4134 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
4135 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
4136 | if (r) |
4137 | return r; | |
4138 | } | |
4139 | ||
4140 | return 0; | |
4141 | } | |
4142 | ||
e3ecdffa | 4143 | /** |
c33adbc7 | 4144 | * amdgpu_device_recover_vram - Recover some VRAM contents |
e3ecdffa AD |
4145 | * |
4146 | * @adev: amdgpu_device pointer | |
4147 | * | |
4148 | * Restores the contents of VRAM buffers from the shadows in GTT. Used to | |
4149 | * restore things like GPUVM page tables after a GPU reset where | |
4150 | * the contents of VRAM might be lost. | |
403009bf CK |
4151 | * |
4152 | * Returns: | |
4153 | * 0 on success, negative error code on failure. | |
e3ecdffa | 4154 | */ |
c33adbc7 | 4155 | static int amdgpu_device_recover_vram(struct amdgpu_device *adev) |
c41d1cf6 | 4156 | { |
c41d1cf6 | 4157 | struct dma_fence *fence = NULL, *next = NULL; |
403009bf | 4158 | struct amdgpu_bo *shadow; |
e18aaea7 | 4159 | struct amdgpu_bo_vm *vmbo; |
403009bf | 4160 | long r = 1, tmo; |
c41d1cf6 ML |
4161 | |
4162 | if (amdgpu_sriov_runtime(adev)) | |
b045d3af | 4163 | tmo = msecs_to_jiffies(8000); |
c41d1cf6 ML |
4164 | else |
4165 | tmo = msecs_to_jiffies(100); | |
4166 | ||
aac89168 | 4167 | dev_info(adev->dev, "recover vram bo from shadow start\n"); |
c41d1cf6 | 4168 | mutex_lock(&adev->shadow_list_lock); |
e18aaea7 ND |
4169 | list_for_each_entry(vmbo, &adev->shadow_list, shadow_list) { |
4170 | shadow = &vmbo->bo; | |
403009bf | 4171 | /* No need to recover an evicted BO */ |
d3116756 CK |
4172 | if (shadow->tbo.resource->mem_type != TTM_PL_TT || |
4173 | shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET || | |
4174 | shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM) | |
403009bf CK |
4175 | continue; |
4176 | ||
4177 | r = amdgpu_bo_restore_shadow(shadow, &next); | |
4178 | if (r) | |
4179 | break; | |
4180 | ||
c41d1cf6 | 4181 | if (fence) { |
1712fb1a | 4182 | tmo = dma_fence_wait_timeout(fence, false, tmo); |
403009bf CK |
4183 | dma_fence_put(fence); |
4184 | fence = next; | |
1712fb1a | 4185 | if (tmo == 0) { |
4186 | r = -ETIMEDOUT; | |
c41d1cf6 | 4187 | break; |
1712fb1a | 4188 | } else if (tmo < 0) { |
4189 | r = tmo; | |
4190 | break; | |
4191 | } | |
403009bf CK |
4192 | } else { |
4193 | fence = next; | |
c41d1cf6 | 4194 | } |
c41d1cf6 ML |
4195 | } |
4196 | mutex_unlock(&adev->shadow_list_lock); | |
4197 | ||
403009bf CK |
4198 | if (fence) |
4199 | tmo = dma_fence_wait_timeout(fence, false, tmo); | |
c41d1cf6 ML |
4200 | dma_fence_put(fence); |
4201 | ||
1712fb1a | 4202 | if (r < 0 || tmo <= 0) { |
aac89168 | 4203 | dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); |
403009bf CK |
4204 | return -EIO; |
4205 | } | |
c41d1cf6 | 4206 | |
aac89168 | 4207 | dev_info(adev->dev, "recover vram bo from shadow done\n"); |
403009bf | 4208 | return 0; |
c41d1cf6 ML |
4209 | } |
4210 | ||
a90ad3c2 | 4211 | |
e3ecdffa | 4212 | /** |
06ec9070 | 4213 | * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf |
5740682e | 4214 | * |
982a820b | 4215 | * @adev: amdgpu_device pointer |
87e3f136 | 4216 | * @from_hypervisor: request from hypervisor |
5740682e ML |
4217 | * |
4218 | * do VF FLR and reinitialize Asic | |
3f48c681 | 4219 | * return 0 means succeeded otherwise failed |
e3ecdffa AD |
4220 | */ |
4221 | static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, | |
4222 | bool from_hypervisor) | |
5740682e ML |
4223 | { |
4224 | int r; | |
4225 | ||
4226 | if (from_hypervisor) | |
4227 | r = amdgpu_virt_request_full_gpu(adev, true); | |
4228 | else | |
4229 | r = amdgpu_virt_reset_gpu(adev); | |
4230 | if (r) | |
4231 | return r; | |
a90ad3c2 | 4232 | |
b639c22c JZ |
4233 | amdgpu_amdkfd_pre_reset(adev); |
4234 | ||
a90ad3c2 | 4235 | /* Resume IP prior to SMC */ |
06ec9070 | 4236 | r = amdgpu_device_ip_reinit_early_sriov(adev); |
5740682e ML |
4237 | if (r) |
4238 | goto error; | |
a90ad3c2 | 4239 | |
c9ffa427 | 4240 | amdgpu_virt_init_data_exchange(adev); |
a90ad3c2 | 4241 | /* we need recover gart prior to run SMC/CP/SDMA resume */ |
6c28aed6 | 4242 | amdgpu_gtt_mgr_recover(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)); |
a90ad3c2 | 4243 | |
7a3e0bb2 RZ |
4244 | r = amdgpu_device_fw_loading(adev); |
4245 | if (r) | |
4246 | return r; | |
4247 | ||
a90ad3c2 | 4248 | /* now we are okay to resume SMC/CP/SDMA */ |
06ec9070 | 4249 | r = amdgpu_device_ip_reinit_late_sriov(adev); |
5740682e ML |
4250 | if (r) |
4251 | goto error; | |
a90ad3c2 ML |
4252 | |
4253 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
5740682e | 4254 | r = amdgpu_ib_ring_tests(adev); |
f81e8d53 | 4255 | amdgpu_amdkfd_post_reset(adev); |
a90ad3c2 | 4256 | |
abc34253 | 4257 | error: |
c41d1cf6 | 4258 | if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { |
e3526257 | 4259 | amdgpu_inc_vram_lost(adev); |
c33adbc7 | 4260 | r = amdgpu_device_recover_vram(adev); |
a90ad3c2 | 4261 | } |
437f3e0b | 4262 | amdgpu_virt_release_full_gpu(adev, true); |
a90ad3c2 ML |
4263 | |
4264 | return r; | |
4265 | } | |
4266 | ||
9a1cddd6 | 4267 | /** |
4268 | * amdgpu_device_has_job_running - check if there is any job in mirror list | |
4269 | * | |
982a820b | 4270 | * @adev: amdgpu_device pointer |
9a1cddd6 | 4271 | * |
4272 | * check if there is any job in mirror list | |
4273 | */ | |
4274 | bool amdgpu_device_has_job_running(struct amdgpu_device *adev) | |
4275 | { | |
4276 | int i; | |
4277 | struct drm_sched_job *job; | |
4278 | ||
4279 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4280 | struct amdgpu_ring *ring = adev->rings[i]; | |
4281 | ||
4282 | if (!ring || !ring->sched.thread) | |
4283 | continue; | |
4284 | ||
4285 | spin_lock(&ring->sched.job_list_lock); | |
6efa4b46 LT |
4286 | job = list_first_entry_or_null(&ring->sched.pending_list, |
4287 | struct drm_sched_job, list); | |
9a1cddd6 | 4288 | spin_unlock(&ring->sched.job_list_lock); |
4289 | if (job) | |
4290 | return true; | |
4291 | } | |
4292 | return false; | |
4293 | } | |
4294 | ||
12938fad CK |
4295 | /** |
4296 | * amdgpu_device_should_recover_gpu - check if we should try GPU recovery | |
4297 | * | |
982a820b | 4298 | * @adev: amdgpu_device pointer |
12938fad CK |
4299 | * |
4300 | * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover | |
4301 | * a hung GPU. | |
4302 | */ | |
4303 | bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) | |
4304 | { | |
4305 | if (!amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4306 | dev_info(adev->dev, "Timeout, but no hardware hang detected.\n"); |
12938fad CK |
4307 | return false; |
4308 | } | |
4309 | ||
3ba7b418 AG |
4310 | if (amdgpu_gpu_recovery == 0) |
4311 | goto disabled; | |
4312 | ||
4313 | if (amdgpu_sriov_vf(adev)) | |
4314 | return true; | |
4315 | ||
4316 | if (amdgpu_gpu_recovery == -1) { | |
4317 | switch (adev->asic_type) { | |
fc42d47c AG |
4318 | case CHIP_BONAIRE: |
4319 | case CHIP_HAWAII: | |
3ba7b418 AG |
4320 | case CHIP_TOPAZ: |
4321 | case CHIP_TONGA: | |
4322 | case CHIP_FIJI: | |
4323 | case CHIP_POLARIS10: | |
4324 | case CHIP_POLARIS11: | |
4325 | case CHIP_POLARIS12: | |
4326 | case CHIP_VEGAM: | |
4327 | case CHIP_VEGA20: | |
4328 | case CHIP_VEGA10: | |
4329 | case CHIP_VEGA12: | |
c43b849f | 4330 | case CHIP_RAVEN: |
e9d4cf91 | 4331 | case CHIP_ARCTURUS: |
2cb44fb0 | 4332 | case CHIP_RENOIR: |
658c6639 AD |
4333 | case CHIP_NAVI10: |
4334 | case CHIP_NAVI14: | |
4335 | case CHIP_NAVI12: | |
131a3c74 | 4336 | case CHIP_SIENNA_CICHLID: |
665fe4dc | 4337 | case CHIP_NAVY_FLOUNDER: |
27859ee3 | 4338 | case CHIP_DIMGREY_CAVEFISH: |
a2f55040 | 4339 | case CHIP_BEIGE_GOBY: |
fe68ceef | 4340 | case CHIP_VANGOGH: |
ea4e96a7 | 4341 | case CHIP_ALDEBARAN: |
3ba7b418 AG |
4342 | break; |
4343 | default: | |
4344 | goto disabled; | |
4345 | } | |
12938fad CK |
4346 | } |
4347 | ||
4348 | return true; | |
3ba7b418 AG |
4349 | |
4350 | disabled: | |
aac89168 | 4351 | dev_info(adev->dev, "GPU recovery disabled.\n"); |
3ba7b418 | 4352 | return false; |
12938fad CK |
4353 | } |
4354 | ||
5c03e584 FX |
4355 | int amdgpu_device_mode1_reset(struct amdgpu_device *adev) |
4356 | { | |
4357 | u32 i; | |
4358 | int ret = 0; | |
4359 | ||
4360 | amdgpu_atombios_scratch_regs_engine_hung(adev, true); | |
4361 | ||
4362 | dev_info(adev->dev, "GPU mode1 reset\n"); | |
4363 | ||
4364 | /* disable BM */ | |
4365 | pci_clear_master(adev->pdev); | |
4366 | ||
4367 | amdgpu_device_cache_pci_state(adev->pdev); | |
4368 | ||
4369 | if (amdgpu_dpm_is_mode1_reset_supported(adev)) { | |
4370 | dev_info(adev->dev, "GPU smu mode1 reset\n"); | |
4371 | ret = amdgpu_dpm_mode1_reset(adev); | |
4372 | } else { | |
4373 | dev_info(adev->dev, "GPU psp mode1 reset\n"); | |
4374 | ret = psp_gpu_reset(adev); | |
4375 | } | |
4376 | ||
4377 | if (ret) | |
4378 | dev_err(adev->dev, "GPU mode1 reset failed\n"); | |
4379 | ||
4380 | amdgpu_device_load_pci_state(adev->pdev); | |
4381 | ||
4382 | /* wait for asic to come out of reset */ | |
4383 | for (i = 0; i < adev->usec_timeout; i++) { | |
4384 | u32 memsize = adev->nbio.funcs->get_memsize(adev); | |
4385 | ||
4386 | if (memsize != 0xffffffff) | |
4387 | break; | |
4388 | udelay(1); | |
4389 | } | |
4390 | ||
4391 | amdgpu_atombios_scratch_regs_engine_hung(adev, false); | |
4392 | return ret; | |
4393 | } | |
5c6dd71e | 4394 | |
e3c1b071 | 4395 | int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, |
04442bf7 | 4396 | struct amdgpu_reset_context *reset_context) |
26bc5340 AG |
4397 | { |
4398 | int i, r = 0; | |
04442bf7 LL |
4399 | struct amdgpu_job *job = NULL; |
4400 | bool need_full_reset = | |
4401 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4402 | ||
4403 | if (reset_context->reset_req_dev == adev) | |
4404 | job = reset_context->job; | |
71182665 | 4405 | |
e3c1b071 | 4406 | /* no need to dump if device is not in good state during probe period */ |
4407 | if (!adev->gmc.xgmi.pending_reset) | |
4408 | amdgpu_debugfs_wait_dump(adev); | |
728e7e0c | 4409 | |
b602ca5f TZ |
4410 | if (amdgpu_sriov_vf(adev)) { |
4411 | /* stop the data exchange thread */ | |
4412 | amdgpu_virt_fini_data_exchange(adev); | |
4413 | } | |
4414 | ||
71182665 | 4415 | /* block all schedulers and reset given job's ring */ |
0875dc9e CZ |
4416 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4417 | struct amdgpu_ring *ring = adev->rings[i]; | |
4418 | ||
51687759 | 4419 | if (!ring || !ring->sched.thread) |
0875dc9e | 4420 | continue; |
5740682e | 4421 | |
2f9d4084 ML |
4422 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
4423 | amdgpu_fence_driver_force_completion(ring); | |
0875dc9e | 4424 | } |
d38ceaf9 | 4425 | |
222b5f04 AG |
4426 | if(job) |
4427 | drm_sched_increase_karma(&job->base); | |
4428 | ||
04442bf7 | 4429 | r = amdgpu_reset_prepare_hwcontext(adev, reset_context); |
404b277b LL |
4430 | /* If reset handler not implemented, continue; otherwise return */ |
4431 | if (r == -ENOSYS) | |
4432 | r = 0; | |
4433 | else | |
04442bf7 LL |
4434 | return r; |
4435 | ||
1d721ed6 | 4436 | /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ |
26bc5340 AG |
4437 | if (!amdgpu_sriov_vf(adev)) { |
4438 | ||
4439 | if (!need_full_reset) | |
4440 | need_full_reset = amdgpu_device_ip_need_full_reset(adev); | |
4441 | ||
4442 | if (!need_full_reset) { | |
4443 | amdgpu_device_ip_pre_soft_reset(adev); | |
4444 | r = amdgpu_device_ip_soft_reset(adev); | |
4445 | amdgpu_device_ip_post_soft_reset(adev); | |
4446 | if (r || amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4447 | dev_info(adev->dev, "soft reset failed, will fallback to full reset!\n"); |
26bc5340 AG |
4448 | need_full_reset = true; |
4449 | } | |
4450 | } | |
4451 | ||
4452 | if (need_full_reset) | |
4453 | r = amdgpu_device_ip_suspend(adev); | |
04442bf7 LL |
4454 | if (need_full_reset) |
4455 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4456 | else | |
4457 | clear_bit(AMDGPU_NEED_FULL_RESET, | |
4458 | &reset_context->flags); | |
26bc5340 AG |
4459 | } |
4460 | ||
4461 | return r; | |
4462 | } | |
4463 | ||
04442bf7 LL |
4464 | int amdgpu_do_asic_reset(struct list_head *device_list_handle, |
4465 | struct amdgpu_reset_context *reset_context) | |
26bc5340 AG |
4466 | { |
4467 | struct amdgpu_device *tmp_adev = NULL; | |
04442bf7 | 4468 | bool need_full_reset, skip_hw_reset, vram_lost = false; |
26bc5340 AG |
4469 | int r = 0; |
4470 | ||
04442bf7 LL |
4471 | /* Try reset handler method first */ |
4472 | tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, | |
4473 | reset_list); | |
4474 | r = amdgpu_reset_perform_reset(tmp_adev, reset_context); | |
404b277b LL |
4475 | /* If reset handler not implemented, continue; otherwise return */ |
4476 | if (r == -ENOSYS) | |
4477 | r = 0; | |
4478 | else | |
04442bf7 LL |
4479 | return r; |
4480 | ||
4481 | /* Reset handler not implemented, use the default method */ | |
4482 | need_full_reset = | |
4483 | test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4484 | skip_hw_reset = test_bit(AMDGPU_SKIP_HW_RESET, &reset_context->flags); | |
4485 | ||
26bc5340 | 4486 | /* |
655ce9cb | 4487 | * ASIC reset has to be done on all XGMI hive nodes ASAP |
26bc5340 AG |
4488 | * to allow proper links negotiation in FW (within 1 sec) |
4489 | */ | |
7ac71382 | 4490 | if (!skip_hw_reset && need_full_reset) { |
655ce9cb | 4491 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
041a62bc | 4492 | /* For XGMI run all resets in parallel to speed up the process */ |
d4535e2c | 4493 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
e3c1b071 | 4494 | tmp_adev->gmc.xgmi.pending_reset = false; |
c96cf282 | 4495 | if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) |
d4535e2c AG |
4496 | r = -EALREADY; |
4497 | } else | |
4498 | r = amdgpu_asic_reset(tmp_adev); | |
d4535e2c | 4499 | |
041a62bc | 4500 | if (r) { |
aac89168 | 4501 | dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 4502 | r, adev_to_drm(tmp_adev)->unique); |
041a62bc | 4503 | break; |
ce316fa5 LM |
4504 | } |
4505 | } | |
4506 | ||
041a62bc AG |
4507 | /* For XGMI wait for all resets to complete before proceed */ |
4508 | if (!r) { | |
655ce9cb | 4509 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
ce316fa5 LM |
4510 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
4511 | flush_work(&tmp_adev->xgmi_reset_work); | |
4512 | r = tmp_adev->asic_reset_res; | |
4513 | if (r) | |
4514 | break; | |
ce316fa5 LM |
4515 | } |
4516 | } | |
4517 | } | |
ce316fa5 | 4518 | } |
26bc5340 | 4519 | |
43c4d576 | 4520 | if (!r && amdgpu_ras_intr_triggered()) { |
655ce9cb | 4521 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
8bc7b360 HZ |
4522 | if (tmp_adev->mmhub.ras_funcs && |
4523 | tmp_adev->mmhub.ras_funcs->reset_ras_error_count) | |
4524 | tmp_adev->mmhub.ras_funcs->reset_ras_error_count(tmp_adev); | |
43c4d576 JC |
4525 | } |
4526 | ||
00eaa571 | 4527 | amdgpu_ras_intr_cleared(); |
43c4d576 | 4528 | } |
00eaa571 | 4529 | |
655ce9cb | 4530 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
26bc5340 AG |
4531 | if (need_full_reset) { |
4532 | /* post card */ | |
e3c1b071 | 4533 | r = amdgpu_device_asic_init(tmp_adev); |
4534 | if (r) { | |
aac89168 | 4535 | dev_warn(tmp_adev->dev, "asic atom init failed!"); |
e3c1b071 | 4536 | } else { |
26bc5340 AG |
4537 | dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); |
4538 | r = amdgpu_device_ip_resume_phase1(tmp_adev); | |
4539 | if (r) | |
4540 | goto out; | |
4541 | ||
4542 | vram_lost = amdgpu_device_check_vram_lost(tmp_adev); | |
4543 | if (vram_lost) { | |
77e7f829 | 4544 | DRM_INFO("VRAM is lost due to GPU reset!\n"); |
e3526257 | 4545 | amdgpu_inc_vram_lost(tmp_adev); |
26bc5340 AG |
4546 | } |
4547 | ||
6c28aed6 | 4548 | r = amdgpu_gtt_mgr_recover(ttm_manager_type(&tmp_adev->mman.bdev, TTM_PL_TT)); |
26bc5340 AG |
4549 | if (r) |
4550 | goto out; | |
4551 | ||
4552 | r = amdgpu_device_fw_loading(tmp_adev); | |
4553 | if (r) | |
4554 | return r; | |
4555 | ||
4556 | r = amdgpu_device_ip_resume_phase2(tmp_adev); | |
4557 | if (r) | |
4558 | goto out; | |
4559 | ||
4560 | if (vram_lost) | |
4561 | amdgpu_device_fill_reset_magic(tmp_adev); | |
4562 | ||
fdafb359 EQ |
4563 | /* |
4564 | * Add this ASIC as tracked as reset was already | |
4565 | * complete successfully. | |
4566 | */ | |
4567 | amdgpu_register_gpu_instance(tmp_adev); | |
4568 | ||
04442bf7 LL |
4569 | if (!reset_context->hive && |
4570 | tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
e3c1b071 | 4571 | amdgpu_xgmi_add_device(tmp_adev); |
4572 | ||
7c04ca50 | 4573 | r = amdgpu_device_ip_late_init(tmp_adev); |
4574 | if (r) | |
4575 | goto out; | |
4576 | ||
565d1941 EQ |
4577 | amdgpu_fbdev_set_suspend(tmp_adev, 0); |
4578 | ||
e8fbaf03 GC |
4579 | /* |
4580 | * The GPU enters bad state once faulty pages | |
4581 | * by ECC has reached the threshold, and ras | |
4582 | * recovery is scheduled next. So add one check | |
4583 | * here to break recovery if it indeed exceeds | |
4584 | * bad page threshold, and remind user to | |
4585 | * retire this GPU or setting one bigger | |
4586 | * bad_page_threshold value to fix this once | |
4587 | * probing driver again. | |
4588 | */ | |
11003c68 | 4589 | if (!amdgpu_ras_eeprom_check_err_threshold(tmp_adev)) { |
e8fbaf03 GC |
4590 | /* must succeed. */ |
4591 | amdgpu_ras_resume(tmp_adev); | |
4592 | } else { | |
4593 | r = -EINVAL; | |
4594 | goto out; | |
4595 | } | |
e79a04d5 | 4596 | |
26bc5340 | 4597 | /* Update PSP FW topology after reset */ |
04442bf7 LL |
4598 | if (reset_context->hive && |
4599 | tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
4600 | r = amdgpu_xgmi_update_topology( | |
4601 | reset_context->hive, tmp_adev); | |
26bc5340 AG |
4602 | } |
4603 | } | |
4604 | ||
26bc5340 AG |
4605 | out: |
4606 | if (!r) { | |
4607 | amdgpu_irq_gpu_reset_resume_helper(tmp_adev); | |
4608 | r = amdgpu_ib_ring_tests(tmp_adev); | |
4609 | if (r) { | |
4610 | dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); | |
26bc5340 AG |
4611 | need_full_reset = true; |
4612 | r = -EAGAIN; | |
4613 | goto end; | |
4614 | } | |
4615 | } | |
4616 | ||
4617 | if (!r) | |
4618 | r = amdgpu_device_recover_vram(tmp_adev); | |
4619 | else | |
4620 | tmp_adev->asic_reset_res = r; | |
4621 | } | |
4622 | ||
4623 | end: | |
04442bf7 LL |
4624 | if (need_full_reset) |
4625 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
4626 | else | |
4627 | clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); | |
26bc5340 AG |
4628 | return r; |
4629 | } | |
4630 | ||
08ebb485 DL |
4631 | static bool amdgpu_device_lock_adev(struct amdgpu_device *adev, |
4632 | struct amdgpu_hive_info *hive) | |
26bc5340 | 4633 | { |
53b3f8f4 DL |
4634 | if (atomic_cmpxchg(&adev->in_gpu_reset, 0, 1) != 0) |
4635 | return false; | |
4636 | ||
08ebb485 DL |
4637 | if (hive) { |
4638 | down_write_nest_lock(&adev->reset_sem, &hive->hive_lock); | |
4639 | } else { | |
4640 | down_write(&adev->reset_sem); | |
4641 | } | |
5740682e | 4642 | |
a3a09142 AD |
4643 | switch (amdgpu_asic_reset_method(adev)) { |
4644 | case AMD_RESET_METHOD_MODE1: | |
4645 | adev->mp1_state = PP_MP1_STATE_SHUTDOWN; | |
4646 | break; | |
4647 | case AMD_RESET_METHOD_MODE2: | |
4648 | adev->mp1_state = PP_MP1_STATE_RESET; | |
4649 | break; | |
4650 | default: | |
4651 | adev->mp1_state = PP_MP1_STATE_NONE; | |
4652 | break; | |
4653 | } | |
1d721ed6 AG |
4654 | |
4655 | return true; | |
26bc5340 | 4656 | } |
d38ceaf9 | 4657 | |
26bc5340 AG |
4658 | static void amdgpu_device_unlock_adev(struct amdgpu_device *adev) |
4659 | { | |
89041940 | 4660 | amdgpu_vf_error_trans_all(adev); |
a3a09142 | 4661 | adev->mp1_state = PP_MP1_STATE_NONE; |
53b3f8f4 | 4662 | atomic_set(&adev->in_gpu_reset, 0); |
6049db43 | 4663 | up_write(&adev->reset_sem); |
26bc5340 AG |
4664 | } |
4665 | ||
91fb309d HC |
4666 | /* |
4667 | * to lockup a list of amdgpu devices in a hive safely, if not a hive | |
4668 | * with multiple nodes, it will be similar as amdgpu_device_lock_adev. | |
4669 | * | |
4670 | * unlock won't require roll back. | |
4671 | */ | |
4672 | static int amdgpu_device_lock_hive_adev(struct amdgpu_device *adev, struct amdgpu_hive_info *hive) | |
4673 | { | |
4674 | struct amdgpu_device *tmp_adev = NULL; | |
4675 | ||
4676 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
4677 | if (!hive) { | |
4678 | dev_err(adev->dev, "Hive is NULL while device has multiple xgmi nodes"); | |
4679 | return -ENODEV; | |
4680 | } | |
4681 | list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { | |
4682 | if (!amdgpu_device_lock_adev(tmp_adev, hive)) | |
4683 | goto roll_back; | |
4684 | } | |
4685 | } else if (!amdgpu_device_lock_adev(adev, hive)) | |
4686 | return -EAGAIN; | |
4687 | ||
4688 | return 0; | |
4689 | roll_back: | |
4690 | if (!list_is_first(&tmp_adev->gmc.xgmi.head, &hive->device_list)) { | |
4691 | /* | |
4692 | * if the lockup iteration break in the middle of a hive, | |
4693 | * it may means there may has a race issue, | |
4694 | * or a hive device locked up independently. | |
4695 | * we may be in trouble and may not, so will try to roll back | |
4696 | * the lock and give out a warnning. | |
4697 | */ | |
4698 | dev_warn(tmp_adev->dev, "Hive lock iteration broke in the middle. Rolling back to unlock"); | |
4699 | list_for_each_entry_continue_reverse(tmp_adev, &hive->device_list, gmc.xgmi.head) { | |
4700 | amdgpu_device_unlock_adev(tmp_adev); | |
4701 | } | |
4702 | } | |
4703 | return -EAGAIN; | |
4704 | } | |
4705 | ||
3f12acc8 EQ |
4706 | static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev) |
4707 | { | |
4708 | struct pci_dev *p = NULL; | |
4709 | ||
4710 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
4711 | adev->pdev->bus->number, 1); | |
4712 | if (p) { | |
4713 | pm_runtime_enable(&(p->dev)); | |
4714 | pm_runtime_resume(&(p->dev)); | |
4715 | } | |
4716 | } | |
4717 | ||
4718 | static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev) | |
4719 | { | |
4720 | enum amd_reset_method reset_method; | |
4721 | struct pci_dev *p = NULL; | |
4722 | u64 expires; | |
4723 | ||
4724 | /* | |
4725 | * For now, only BACO and mode1 reset are confirmed | |
4726 | * to suffer the audio issue without proper suspended. | |
4727 | */ | |
4728 | reset_method = amdgpu_asic_reset_method(adev); | |
4729 | if ((reset_method != AMD_RESET_METHOD_BACO) && | |
4730 | (reset_method != AMD_RESET_METHOD_MODE1)) | |
4731 | return -EINVAL; | |
4732 | ||
4733 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
4734 | adev->pdev->bus->number, 1); | |
4735 | if (!p) | |
4736 | return -ENODEV; | |
4737 | ||
4738 | expires = pm_runtime_autosuspend_expiration(&(p->dev)); | |
4739 | if (!expires) | |
4740 | /* | |
4741 | * If we cannot get the audio device autosuspend delay, | |
4742 | * a fixed 4S interval will be used. Considering 3S is | |
4743 | * the audio controller default autosuspend delay setting. | |
4744 | * 4S used here is guaranteed to cover that. | |
4745 | */ | |
54b7feb9 | 4746 | expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC * 4ULL; |
3f12acc8 EQ |
4747 | |
4748 | while (!pm_runtime_status_suspended(&(p->dev))) { | |
4749 | if (!pm_runtime_suspend(&(p->dev))) | |
4750 | break; | |
4751 | ||
4752 | if (expires < ktime_get_mono_fast_ns()) { | |
4753 | dev_warn(adev->dev, "failed to suspend display audio\n"); | |
4754 | /* TODO: abort the succeeding gpu reset? */ | |
4755 | return -ETIMEDOUT; | |
4756 | } | |
4757 | } | |
4758 | ||
4759 | pm_runtime_disable(&(p->dev)); | |
4760 | ||
4761 | return 0; | |
4762 | } | |
4763 | ||
9d8d96be | 4764 | static void amdgpu_device_recheck_guilty_jobs( |
04442bf7 LL |
4765 | struct amdgpu_device *adev, struct list_head *device_list_handle, |
4766 | struct amdgpu_reset_context *reset_context) | |
e6c6338f JZ |
4767 | { |
4768 | int i, r = 0; | |
4769 | ||
4770 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4771 | struct amdgpu_ring *ring = adev->rings[i]; | |
4772 | int ret = 0; | |
4773 | struct drm_sched_job *s_job; | |
4774 | ||
4775 | if (!ring || !ring->sched.thread) | |
4776 | continue; | |
4777 | ||
4778 | s_job = list_first_entry_or_null(&ring->sched.pending_list, | |
4779 | struct drm_sched_job, list); | |
4780 | if (s_job == NULL) | |
4781 | continue; | |
4782 | ||
4783 | /* clear job's guilty and depend the folowing step to decide the real one */ | |
4784 | drm_sched_reset_karma(s_job); | |
4785 | drm_sched_resubmit_jobs_ext(&ring->sched, 1); | |
4786 | ||
4787 | ret = dma_fence_wait_timeout(s_job->s_fence->parent, false, ring->sched.timeout); | |
4788 | if (ret == 0) { /* timeout */ | |
4789 | DRM_ERROR("Found the real bad job! ring:%s, job_id:%llx\n", | |
4790 | ring->sched.name, s_job->id); | |
4791 | ||
4792 | /* set guilty */ | |
4793 | drm_sched_increase_karma(s_job); | |
4794 | retry: | |
4795 | /* do hw reset */ | |
4796 | if (amdgpu_sriov_vf(adev)) { | |
4797 | amdgpu_virt_fini_data_exchange(adev); | |
4798 | r = amdgpu_device_reset_sriov(adev, false); | |
4799 | if (r) | |
4800 | adev->asic_reset_res = r; | |
4801 | } else { | |
04442bf7 LL |
4802 | clear_bit(AMDGPU_SKIP_HW_RESET, |
4803 | &reset_context->flags); | |
4804 | r = amdgpu_do_asic_reset(device_list_handle, | |
4805 | reset_context); | |
e6c6338f JZ |
4806 | if (r && r == -EAGAIN) |
4807 | goto retry; | |
4808 | } | |
4809 | ||
4810 | /* | |
4811 | * add reset counter so that the following | |
4812 | * resubmitted job could flush vmid | |
4813 | */ | |
4814 | atomic_inc(&adev->gpu_reset_counter); | |
4815 | continue; | |
4816 | } | |
4817 | ||
4818 | /* got the hw fence, signal finished fence */ | |
4819 | atomic_dec(ring->sched.score); | |
4820 | dma_fence_get(&s_job->s_fence->finished); | |
4821 | dma_fence_signal(&s_job->s_fence->finished); | |
4822 | dma_fence_put(&s_job->s_fence->finished); | |
4823 | ||
4824 | /* remove node from list and free the job */ | |
4825 | spin_lock(&ring->sched.job_list_lock); | |
4826 | list_del_init(&s_job->list); | |
4827 | spin_unlock(&ring->sched.job_list_lock); | |
4828 | ring->sched.ops->free_job(s_job); | |
4829 | } | |
4830 | } | |
4831 | ||
26bc5340 AG |
4832 | /** |
4833 | * amdgpu_device_gpu_recover - reset the asic and recover scheduler | |
4834 | * | |
982a820b | 4835 | * @adev: amdgpu_device pointer |
26bc5340 AG |
4836 | * @job: which job trigger hang |
4837 | * | |
4838 | * Attempt to reset the GPU if it has hung (all asics). | |
4839 | * Attempt to do soft-reset or full-reset and reinitialize Asic | |
4840 | * Returns 0 for success or an error on failure. | |
4841 | */ | |
4842 | ||
4843 | int amdgpu_device_gpu_recover(struct amdgpu_device *adev, | |
4844 | struct amdgpu_job *job) | |
4845 | { | |
1d721ed6 | 4846 | struct list_head device_list, *device_list_handle = NULL; |
7dd8c205 | 4847 | bool job_signaled = false; |
26bc5340 | 4848 | struct amdgpu_hive_info *hive = NULL; |
26bc5340 | 4849 | struct amdgpu_device *tmp_adev = NULL; |
1d721ed6 | 4850 | int i, r = 0; |
bb5c7235 | 4851 | bool need_emergency_restart = false; |
3f12acc8 | 4852 | bool audio_suspended = false; |
e6c6338f | 4853 | int tmp_vram_lost_counter; |
04442bf7 LL |
4854 | struct amdgpu_reset_context reset_context; |
4855 | ||
4856 | memset(&reset_context, 0, sizeof(reset_context)); | |
26bc5340 | 4857 | |
6e3cd2a9 | 4858 | /* |
bb5c7235 WS |
4859 | * Special case: RAS triggered and full reset isn't supported |
4860 | */ | |
4861 | need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); | |
4862 | ||
d5ea093e AG |
4863 | /* |
4864 | * Flush RAM to disk so that after reboot | |
4865 | * the user can read log and see why the system rebooted. | |
4866 | */ | |
bb5c7235 | 4867 | if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) { |
d5ea093e AG |
4868 | DRM_WARN("Emergency reboot."); |
4869 | ||
4870 | ksys_sync_helper(); | |
4871 | emergency_restart(); | |
4872 | } | |
4873 | ||
b823821f | 4874 | dev_info(adev->dev, "GPU %s begin!\n", |
bb5c7235 | 4875 | need_emergency_restart ? "jobs stop":"reset"); |
26bc5340 AG |
4876 | |
4877 | /* | |
1d721ed6 AG |
4878 | * Here we trylock to avoid chain of resets executing from |
4879 | * either trigger by jobs on different adevs in XGMI hive or jobs on | |
4880 | * different schedulers for same device while this TO handler is running. | |
4881 | * We always reset all schedulers for device and all devices for XGMI | |
4882 | * hive so that should take care of them too. | |
26bc5340 | 4883 | */ |
d95e8e97 | 4884 | hive = amdgpu_get_xgmi_hive(adev); |
53b3f8f4 DL |
4885 | if (hive) { |
4886 | if (atomic_cmpxchg(&hive->in_reset, 0, 1) != 0) { | |
4887 | DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", | |
4888 | job ? job->base.id : -1, hive->hive_id); | |
d95e8e97 | 4889 | amdgpu_put_xgmi_hive(hive); |
91fb309d HC |
4890 | if (job) |
4891 | drm_sched_increase_karma(&job->base); | |
53b3f8f4 DL |
4892 | return 0; |
4893 | } | |
4894 | mutex_lock(&hive->hive_lock); | |
1d721ed6 | 4895 | } |
26bc5340 | 4896 | |
04442bf7 LL |
4897 | reset_context.method = AMD_RESET_METHOD_NONE; |
4898 | reset_context.reset_req_dev = adev; | |
4899 | reset_context.job = job; | |
4900 | reset_context.hive = hive; | |
4901 | clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); | |
4902 | ||
91fb309d HC |
4903 | /* |
4904 | * lock the device before we try to operate the linked list | |
4905 | * if didn't get the device lock, don't touch the linked list since | |
4906 | * others may iterating it. | |
4907 | */ | |
4908 | r = amdgpu_device_lock_hive_adev(adev, hive); | |
4909 | if (r) { | |
4910 | dev_info(adev->dev, "Bailing on TDR for s_job:%llx, as another already in progress", | |
4911 | job ? job->base.id : -1); | |
4912 | ||
4913 | /* even we skipped this reset, still need to set the job to guilty */ | |
4914 | if (job) | |
4915 | drm_sched_increase_karma(&job->base); | |
4916 | goto skip_recovery; | |
4917 | } | |
4918 | ||
9e94d22c EQ |
4919 | /* |
4920 | * Build list of devices to reset. | |
4921 | * In case we are in XGMI hive mode, resort the device list | |
4922 | * to put adev in the 1st position. | |
4923 | */ | |
4924 | INIT_LIST_HEAD(&device_list); | |
4925 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
655ce9cb | 4926 | list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) |
4927 | list_add_tail(&tmp_adev->reset_list, &device_list); | |
4928 | if (!list_is_first(&adev->reset_list, &device_list)) | |
4929 | list_rotate_to_front(&adev->reset_list, &device_list); | |
4930 | device_list_handle = &device_list; | |
26bc5340 | 4931 | } else { |
655ce9cb | 4932 | list_add_tail(&adev->reset_list, &device_list); |
26bc5340 AG |
4933 | device_list_handle = &device_list; |
4934 | } | |
4935 | ||
1d721ed6 | 4936 | /* block all schedulers and reset given job's ring */ |
655ce9cb | 4937 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
3f12acc8 EQ |
4938 | /* |
4939 | * Try to put the audio codec into suspend state | |
4940 | * before gpu reset started. | |
4941 | * | |
4942 | * Due to the power domain of the graphics device | |
4943 | * is shared with AZ power domain. Without this, | |
4944 | * we may change the audio hardware from behind | |
4945 | * the audio driver's back. That will trigger | |
4946 | * some audio codec errors. | |
4947 | */ | |
4948 | if (!amdgpu_device_suspend_display_audio(tmp_adev)) | |
4949 | audio_suspended = true; | |
4950 | ||
9e94d22c EQ |
4951 | amdgpu_ras_set_error_query_ready(tmp_adev, false); |
4952 | ||
52fb44cf EQ |
4953 | cancel_delayed_work_sync(&tmp_adev->delayed_init_work); |
4954 | ||
9e94d22c EQ |
4955 | if (!amdgpu_sriov_vf(tmp_adev)) |
4956 | amdgpu_amdkfd_pre_reset(tmp_adev); | |
4957 | ||
12ffa55d AG |
4958 | /* |
4959 | * Mark these ASICs to be reseted as untracked first | |
4960 | * And add them back after reset completed | |
4961 | */ | |
4962 | amdgpu_unregister_gpu_instance(tmp_adev); | |
4963 | ||
a2f63ee8 | 4964 | amdgpu_fbdev_set_suspend(tmp_adev, 1); |
565d1941 | 4965 | |
f1c1314b | 4966 | /* disable ras on ALL IPs */ |
bb5c7235 | 4967 | if (!need_emergency_restart && |
b823821f | 4968 | amdgpu_device_ip_need_full_reset(tmp_adev)) |
f1c1314b | 4969 | amdgpu_ras_suspend(tmp_adev); |
4970 | ||
1d721ed6 AG |
4971 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4972 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
4973 | ||
4974 | if (!ring || !ring->sched.thread) | |
4975 | continue; | |
4976 | ||
0b2d2c2e | 4977 | drm_sched_stop(&ring->sched, job ? &job->base : NULL); |
7c6e68c7 | 4978 | |
bb5c7235 | 4979 | if (need_emergency_restart) |
7c6e68c7 | 4980 | amdgpu_job_stop_all_jobs_on_sched(&ring->sched); |
1d721ed6 | 4981 | } |
8f8c80f4 | 4982 | atomic_inc(&tmp_adev->gpu_reset_counter); |
1d721ed6 AG |
4983 | } |
4984 | ||
bb5c7235 | 4985 | if (need_emergency_restart) |
7c6e68c7 AG |
4986 | goto skip_sched_resume; |
4987 | ||
1d721ed6 AG |
4988 | /* |
4989 | * Must check guilty signal here since after this point all old | |
4990 | * HW fences are force signaled. | |
4991 | * | |
4992 | * job->base holds a reference to parent fence | |
4993 | */ | |
4994 | if (job && job->base.s_fence->parent && | |
7dd8c205 | 4995 | dma_fence_is_signaled(job->base.s_fence->parent)) { |
1d721ed6 | 4996 | job_signaled = true; |
1d721ed6 AG |
4997 | dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); |
4998 | goto skip_hw_reset; | |
4999 | } | |
5000 | ||
26bc5340 | 5001 | retry: /* Rest of adevs pre asic reset from XGMI hive. */ |
655ce9cb | 5002 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
04442bf7 | 5003 | r = amdgpu_device_pre_asic_reset(tmp_adev, &reset_context); |
26bc5340 AG |
5004 | /*TODO Should we stop ?*/ |
5005 | if (r) { | |
aac89168 | 5006 | dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ", |
4a580877 | 5007 | r, adev_to_drm(tmp_adev)->unique); |
26bc5340 AG |
5008 | tmp_adev->asic_reset_res = r; |
5009 | } | |
5010 | } | |
5011 | ||
e6c6338f | 5012 | tmp_vram_lost_counter = atomic_read(&((adev)->vram_lost_counter)); |
26bc5340 AG |
5013 | /* Actual ASIC resets if needed.*/ |
5014 | /* TODO Implement XGMI hive reset logic for SRIOV */ | |
5015 | if (amdgpu_sriov_vf(adev)) { | |
5016 | r = amdgpu_device_reset_sriov(adev, job ? false : true); | |
5017 | if (r) | |
5018 | adev->asic_reset_res = r; | |
5019 | } else { | |
04442bf7 | 5020 | r = amdgpu_do_asic_reset(device_list_handle, &reset_context); |
26bc5340 AG |
5021 | if (r && r == -EAGAIN) |
5022 | goto retry; | |
5023 | } | |
5024 | ||
1d721ed6 AG |
5025 | skip_hw_reset: |
5026 | ||
26bc5340 | 5027 | /* Post ASIC reset for all devs .*/ |
655ce9cb | 5028 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
7c6e68c7 | 5029 | |
e6c6338f JZ |
5030 | /* |
5031 | * Sometimes a later bad compute job can block a good gfx job as gfx | |
5032 | * and compute ring share internal GC HW mutually. We add an additional | |
5033 | * guilty jobs recheck step to find the real guilty job, it synchronously | |
5034 | * submits and pends for the first job being signaled. If it gets timeout, | |
5035 | * we identify it as a real guilty job. | |
5036 | */ | |
5037 | if (amdgpu_gpu_recovery == 2 && | |
5038 | !(tmp_vram_lost_counter < atomic_read(&adev->vram_lost_counter))) | |
04442bf7 LL |
5039 | amdgpu_device_recheck_guilty_jobs( |
5040 | tmp_adev, device_list_handle, &reset_context); | |
e6c6338f | 5041 | |
1d721ed6 AG |
5042 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
5043 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
5044 | ||
5045 | if (!ring || !ring->sched.thread) | |
5046 | continue; | |
5047 | ||
5048 | /* No point to resubmit jobs if we didn't HW reset*/ | |
5049 | if (!tmp_adev->asic_reset_res && !job_signaled) | |
5050 | drm_sched_resubmit_jobs(&ring->sched); | |
5051 | ||
5052 | drm_sched_start(&ring->sched, !tmp_adev->asic_reset_res); | |
5053 | } | |
5054 | ||
5055 | if (!amdgpu_device_has_dc_support(tmp_adev) && !job_signaled) { | |
4a580877 | 5056 | drm_helper_resume_force_mode(adev_to_drm(tmp_adev)); |
1d721ed6 AG |
5057 | } |
5058 | ||
5059 | tmp_adev->asic_reset_res = 0; | |
26bc5340 AG |
5060 | |
5061 | if (r) { | |
5062 | /* bad news, how to tell it to userspace ? */ | |
12ffa55d | 5063 | dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 AG |
5064 | amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
5065 | } else { | |
12ffa55d | 5066 | dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
3fa8f89d S |
5067 | if (amdgpu_acpi_smart_shift_update(adev_to_drm(tmp_adev), AMDGPU_SS_DEV_D0)) |
5068 | DRM_WARN("smart shift update failed\n"); | |
26bc5340 | 5069 | } |
7c6e68c7 | 5070 | } |
26bc5340 | 5071 | |
7c6e68c7 | 5072 | skip_sched_resume: |
655ce9cb | 5073 | list_for_each_entry(tmp_adev, device_list_handle, reset_list) { |
8e2712e7 | 5074 | /* unlock kfd: SRIOV would do it separately */ |
bb5c7235 | 5075 | if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)) |
7c6e68c7 | 5076 | amdgpu_amdkfd_post_reset(tmp_adev); |
8e2712e7 | 5077 | |
5078 | /* kfd_post_reset will do nothing if kfd device is not initialized, | |
5079 | * need to bring up kfd here if it's not be initialized before | |
5080 | */ | |
5081 | if (!adev->kfd.init_complete) | |
5082 | amdgpu_amdkfd_device_init(adev); | |
5083 | ||
3f12acc8 EQ |
5084 | if (audio_suspended) |
5085 | amdgpu_device_resume_display_audio(tmp_adev); | |
26bc5340 AG |
5086 | amdgpu_device_unlock_adev(tmp_adev); |
5087 | } | |
5088 | ||
cbfd17f7 | 5089 | skip_recovery: |
9e94d22c | 5090 | if (hive) { |
53b3f8f4 | 5091 | atomic_set(&hive->in_reset, 0); |
9e94d22c | 5092 | mutex_unlock(&hive->hive_lock); |
d95e8e97 | 5093 | amdgpu_put_xgmi_hive(hive); |
9e94d22c | 5094 | } |
26bc5340 | 5095 | |
91fb309d | 5096 | if (r && r != -EAGAIN) |
26bc5340 | 5097 | dev_info(adev->dev, "GPU reset end with ret = %d\n", r); |
d38ceaf9 AD |
5098 | return r; |
5099 | } | |
5100 | ||
e3ecdffa AD |
5101 | /** |
5102 | * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot | |
5103 | * | |
5104 | * @adev: amdgpu_device pointer | |
5105 | * | |
5106 | * Fetchs and stores in the driver the PCIE capabilities (gen speed | |
5107 | * and lanes) of the slot the device is in. Handles APUs and | |
5108 | * virtualized environments where PCIE config space may not be available. | |
5109 | */ | |
5494d864 | 5110 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) |
d0dd7f0c | 5111 | { |
5d9a6330 | 5112 | struct pci_dev *pdev; |
c5313457 HK |
5113 | enum pci_bus_speed speed_cap, platform_speed_cap; |
5114 | enum pcie_link_width platform_link_width; | |
d0dd7f0c | 5115 | |
cd474ba0 AD |
5116 | if (amdgpu_pcie_gen_cap) |
5117 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 5118 | |
cd474ba0 AD |
5119 | if (amdgpu_pcie_lane_cap) |
5120 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 5121 | |
cd474ba0 AD |
5122 | /* covers APUs as well */ |
5123 | if (pci_is_root_bus(adev->pdev->bus)) { | |
5124 | if (adev->pm.pcie_gen_mask == 0) | |
5125 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
5126 | if (adev->pm.pcie_mlw_mask == 0) | |
5127 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 5128 | return; |
cd474ba0 | 5129 | } |
d0dd7f0c | 5130 | |
c5313457 HK |
5131 | if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) |
5132 | return; | |
5133 | ||
dbaa922b AD |
5134 | pcie_bandwidth_available(adev->pdev, NULL, |
5135 | &platform_speed_cap, &platform_link_width); | |
c5313457 | 5136 | |
cd474ba0 | 5137 | if (adev->pm.pcie_gen_mask == 0) { |
5d9a6330 AD |
5138 | /* asic caps */ |
5139 | pdev = adev->pdev; | |
5140 | speed_cap = pcie_get_speed_cap(pdev); | |
5141 | if (speed_cap == PCI_SPEED_UNKNOWN) { | |
5142 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
cd474ba0 AD |
5143 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | |
5144 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
cd474ba0 | 5145 | } else { |
2b3a1f51 FX |
5146 | if (speed_cap == PCIE_SPEED_32_0GT) |
5147 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5148 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5149 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5150 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4 | | |
5151 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN5); | |
5152 | else if (speed_cap == PCIE_SPEED_16_0GT) | |
5d9a6330 AD |
5153 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5154 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5155 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5156 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
5157 | else if (speed_cap == PCIE_SPEED_8_0GT) | |
5158 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5159 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5160 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
5161 | else if (speed_cap == PCIE_SPEED_5_0GT) | |
5162 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5163 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5164 | else | |
5165 | adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
5166 | } | |
5167 | /* platform caps */ | |
c5313457 | 5168 | if (platform_speed_cap == PCI_SPEED_UNKNOWN) { |
5d9a6330 AD |
5169 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5170 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5171 | } else { | |
2b3a1f51 FX |
5172 | if (platform_speed_cap == PCIE_SPEED_32_0GT) |
5173 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
5174 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5175 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5176 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4 | | |
5177 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5); | |
5178 | else if (platform_speed_cap == PCIE_SPEED_16_0GT) | |
5d9a6330 AD |
5179 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5180 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5181 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
5182 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
c5313457 | 5183 | else if (platform_speed_cap == PCIE_SPEED_8_0GT) |
5d9a6330 AD |
5184 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5185 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
5186 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
c5313457 | 5187 | else if (platform_speed_cap == PCIE_SPEED_5_0GT) |
5d9a6330 AD |
5188 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
5189 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
5190 | else | |
5191 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
5192 | ||
cd474ba0 AD |
5193 | } |
5194 | } | |
5195 | if (adev->pm.pcie_mlw_mask == 0) { | |
c5313457 | 5196 | if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { |
5d9a6330 AD |
5197 | adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; |
5198 | } else { | |
c5313457 | 5199 | switch (platform_link_width) { |
5d9a6330 | 5200 | case PCIE_LNK_X32: |
cd474ba0 AD |
5201 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | |
5202 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
5203 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
5204 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5205 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5206 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5207 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5208 | break; | |
5d9a6330 | 5209 | case PCIE_LNK_X16: |
cd474ba0 AD |
5210 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | |
5211 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
5212 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5213 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5214 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5215 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5216 | break; | |
5d9a6330 | 5217 | case PCIE_LNK_X12: |
cd474ba0 AD |
5218 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | |
5219 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
5220 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5221 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5222 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5223 | break; | |
5d9a6330 | 5224 | case PCIE_LNK_X8: |
cd474ba0 AD |
5225 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | |
5226 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
5227 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5228 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5229 | break; | |
5d9a6330 | 5230 | case PCIE_LNK_X4: |
cd474ba0 AD |
5231 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | |
5232 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
5233 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5234 | break; | |
5d9a6330 | 5235 | case PCIE_LNK_X2: |
cd474ba0 AD |
5236 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | |
5237 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
5238 | break; | |
5d9a6330 | 5239 | case PCIE_LNK_X1: |
cd474ba0 AD |
5240 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; |
5241 | break; | |
5242 | default: | |
5243 | break; | |
5244 | } | |
d0dd7f0c AD |
5245 | } |
5246 | } | |
5247 | } | |
d38ceaf9 | 5248 | |
361dbd01 AD |
5249 | int amdgpu_device_baco_enter(struct drm_device *dev) |
5250 | { | |
1348969a | 5251 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 5252 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
361dbd01 | 5253 | |
4a580877 | 5254 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
5255 | return -ENOTSUPP; |
5256 | ||
8ab0d6f0 | 5257 | if (ras && adev->ras_enabled && |
acdae216 | 5258 | adev->nbio.funcs->enable_doorbell_interrupt) |
7a22677b LM |
5259 | adev->nbio.funcs->enable_doorbell_interrupt(adev, false); |
5260 | ||
9530273e | 5261 | return amdgpu_dpm_baco_enter(adev); |
361dbd01 AD |
5262 | } |
5263 | ||
5264 | int amdgpu_device_baco_exit(struct drm_device *dev) | |
5265 | { | |
1348969a | 5266 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 5267 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
9530273e | 5268 | int ret = 0; |
361dbd01 | 5269 | |
4a580877 | 5270 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
5271 | return -ENOTSUPP; |
5272 | ||
9530273e EQ |
5273 | ret = amdgpu_dpm_baco_exit(adev); |
5274 | if (ret) | |
5275 | return ret; | |
7a22677b | 5276 | |
8ab0d6f0 | 5277 | if (ras && adev->ras_enabled && |
acdae216 | 5278 | adev->nbio.funcs->enable_doorbell_interrupt) |
7a22677b LM |
5279 | adev->nbio.funcs->enable_doorbell_interrupt(adev, true); |
5280 | ||
5281 | return 0; | |
361dbd01 | 5282 | } |
c9a6b82f | 5283 | |
acd89fca AG |
5284 | static void amdgpu_cancel_all_tdr(struct amdgpu_device *adev) |
5285 | { | |
5286 | int i; | |
5287 | ||
5288 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
5289 | struct amdgpu_ring *ring = adev->rings[i]; | |
5290 | ||
5291 | if (!ring || !ring->sched.thread) | |
5292 | continue; | |
5293 | ||
5294 | cancel_delayed_work_sync(&ring->sched.work_tdr); | |
5295 | } | |
5296 | } | |
5297 | ||
c9a6b82f AG |
5298 | /** |
5299 | * amdgpu_pci_error_detected - Called when a PCI error is detected. | |
5300 | * @pdev: PCI device struct | |
5301 | * @state: PCI channel state | |
5302 | * | |
5303 | * Description: Called when a PCI error is detected. | |
5304 | * | |
5305 | * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT. | |
5306 | */ | |
5307 | pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
5308 | { | |
5309 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5310 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 5311 | int i; |
c9a6b82f AG |
5312 | |
5313 | DRM_INFO("PCI error: detected callback, state(%d)!!\n", state); | |
5314 | ||
6894305c AG |
5315 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
5316 | DRM_WARN("No support for XGMI hive yet..."); | |
5317 | return PCI_ERS_RESULT_DISCONNECT; | |
5318 | } | |
5319 | ||
c9a6b82f AG |
5320 | switch (state) { |
5321 | case pci_channel_io_normal: | |
5322 | return PCI_ERS_RESULT_CAN_RECOVER; | |
acd89fca | 5323 | /* Fatal error, prepare for slot reset */ |
8a11d283 TZ |
5324 | case pci_channel_io_frozen: |
5325 | /* | |
acd89fca AG |
5326 | * Cancel and wait for all TDRs in progress if failing to |
5327 | * set adev->in_gpu_reset in amdgpu_device_lock_adev | |
5328 | * | |
5329 | * Locking adev->reset_sem will prevent any external access | |
5330 | * to GPU during PCI error recovery | |
5331 | */ | |
5332 | while (!amdgpu_device_lock_adev(adev, NULL)) | |
5333 | amdgpu_cancel_all_tdr(adev); | |
5334 | ||
5335 | /* | |
5336 | * Block any work scheduling as we do for regular GPU reset | |
5337 | * for the duration of the recovery | |
5338 | */ | |
5339 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
5340 | struct amdgpu_ring *ring = adev->rings[i]; | |
5341 | ||
5342 | if (!ring || !ring->sched.thread) | |
5343 | continue; | |
5344 | ||
5345 | drm_sched_stop(&ring->sched, NULL); | |
5346 | } | |
8f8c80f4 | 5347 | atomic_inc(&adev->gpu_reset_counter); |
c9a6b82f AG |
5348 | return PCI_ERS_RESULT_NEED_RESET; |
5349 | case pci_channel_io_perm_failure: | |
5350 | /* Permanent error, prepare for device removal */ | |
5351 | return PCI_ERS_RESULT_DISCONNECT; | |
5352 | } | |
5353 | ||
5354 | return PCI_ERS_RESULT_NEED_RESET; | |
5355 | } | |
5356 | ||
5357 | /** | |
5358 | * amdgpu_pci_mmio_enabled - Enable MMIO and dump debug registers | |
5359 | * @pdev: pointer to PCI device | |
5360 | */ | |
5361 | pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev) | |
5362 | { | |
5363 | ||
5364 | DRM_INFO("PCI error: mmio enabled callback!!\n"); | |
5365 | ||
5366 | /* TODO - dump whatever for debugging purposes */ | |
5367 | ||
5368 | /* This called only if amdgpu_pci_error_detected returns | |
5369 | * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still | |
5370 | * works, no need to reset slot. | |
5371 | */ | |
5372 | ||
5373 | return PCI_ERS_RESULT_RECOVERED; | |
5374 | } | |
5375 | ||
5376 | /** | |
5377 | * amdgpu_pci_slot_reset - Called when PCI slot has been reset. | |
5378 | * @pdev: PCI device struct | |
5379 | * | |
5380 | * Description: This routine is called by the pci error recovery | |
5381 | * code after the PCI slot has been reset, just before we | |
5382 | * should resume normal operations. | |
5383 | */ | |
5384 | pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) | |
5385 | { | |
5386 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5387 | struct amdgpu_device *adev = drm_to_adev(dev); | |
362c7b91 | 5388 | int r, i; |
04442bf7 | 5389 | struct amdgpu_reset_context reset_context; |
362c7b91 | 5390 | u32 memsize; |
7ac71382 | 5391 | struct list_head device_list; |
c9a6b82f AG |
5392 | |
5393 | DRM_INFO("PCI error: slot reset callback!!\n"); | |
5394 | ||
04442bf7 LL |
5395 | memset(&reset_context, 0, sizeof(reset_context)); |
5396 | ||
7ac71382 | 5397 | INIT_LIST_HEAD(&device_list); |
655ce9cb | 5398 | list_add_tail(&adev->reset_list, &device_list); |
7ac71382 | 5399 | |
362c7b91 AG |
5400 | /* wait for asic to come out of reset */ |
5401 | msleep(500); | |
5402 | ||
7ac71382 | 5403 | /* Restore PCI confspace */ |
c1dd4aa6 | 5404 | amdgpu_device_load_pci_state(pdev); |
c9a6b82f | 5405 | |
362c7b91 AG |
5406 | /* confirm ASIC came out of reset */ |
5407 | for (i = 0; i < adev->usec_timeout; i++) { | |
5408 | memsize = amdgpu_asic_get_config_memsize(adev); | |
5409 | ||
5410 | if (memsize != 0xffffffff) | |
5411 | break; | |
5412 | udelay(1); | |
5413 | } | |
5414 | if (memsize == 0xffffffff) { | |
5415 | r = -ETIME; | |
5416 | goto out; | |
5417 | } | |
5418 | ||
04442bf7 LL |
5419 | reset_context.method = AMD_RESET_METHOD_NONE; |
5420 | reset_context.reset_req_dev = adev; | |
5421 | set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); | |
5422 | set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags); | |
5423 | ||
7afefb81 | 5424 | adev->no_hw_access = true; |
04442bf7 | 5425 | r = amdgpu_device_pre_asic_reset(adev, &reset_context); |
7afefb81 | 5426 | adev->no_hw_access = false; |
c9a6b82f AG |
5427 | if (r) |
5428 | goto out; | |
5429 | ||
04442bf7 | 5430 | r = amdgpu_do_asic_reset(&device_list, &reset_context); |
c9a6b82f AG |
5431 | |
5432 | out: | |
c9a6b82f | 5433 | if (!r) { |
c1dd4aa6 AG |
5434 | if (amdgpu_device_cache_pci_state(adev->pdev)) |
5435 | pci_restore_state(adev->pdev); | |
5436 | ||
c9a6b82f AG |
5437 | DRM_INFO("PCIe error recovery succeeded\n"); |
5438 | } else { | |
5439 | DRM_ERROR("PCIe error recovery failed, err:%d", r); | |
5440 | amdgpu_device_unlock_adev(adev); | |
5441 | } | |
5442 | ||
5443 | return r ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
5444 | } | |
5445 | ||
5446 | /** | |
5447 | * amdgpu_pci_resume() - resume normal ops after PCI reset | |
5448 | * @pdev: pointer to PCI device | |
5449 | * | |
5450 | * Called when the error recovery driver tells us that its | |
505199a3 | 5451 | * OK to resume normal operation. |
c9a6b82f AG |
5452 | */ |
5453 | void amdgpu_pci_resume(struct pci_dev *pdev) | |
5454 | { | |
5455 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5456 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 5457 | int i; |
c9a6b82f | 5458 | |
c9a6b82f AG |
5459 | |
5460 | DRM_INFO("PCI error: resume callback!!\n"); | |
acd89fca AG |
5461 | |
5462 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
5463 | struct amdgpu_ring *ring = adev->rings[i]; | |
5464 | ||
5465 | if (!ring || !ring->sched.thread) | |
5466 | continue; | |
5467 | ||
5468 | ||
5469 | drm_sched_resubmit_jobs(&ring->sched); | |
5470 | drm_sched_start(&ring->sched, true); | |
5471 | } | |
5472 | ||
5473 | amdgpu_device_unlock_adev(adev); | |
c9a6b82f | 5474 | } |
c1dd4aa6 AG |
5475 | |
5476 | bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) | |
5477 | { | |
5478 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5479 | struct amdgpu_device *adev = drm_to_adev(dev); | |
5480 | int r; | |
5481 | ||
5482 | r = pci_save_state(pdev); | |
5483 | if (!r) { | |
5484 | kfree(adev->pci_state); | |
5485 | ||
5486 | adev->pci_state = pci_store_saved_state(pdev); | |
5487 | ||
5488 | if (!adev->pci_state) { | |
5489 | DRM_ERROR("Failed to store PCI saved state"); | |
5490 | return false; | |
5491 | } | |
5492 | } else { | |
5493 | DRM_WARN("Failed to save PCI state, err:%d\n", r); | |
5494 | return false; | |
5495 | } | |
5496 | ||
5497 | return true; | |
5498 | } | |
5499 | ||
5500 | bool amdgpu_device_load_pci_state(struct pci_dev *pdev) | |
5501 | { | |
5502 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5503 | struct amdgpu_device *adev = drm_to_adev(dev); | |
5504 | int r; | |
5505 | ||
5506 | if (!adev->pci_state) | |
5507 | return false; | |
5508 | ||
5509 | r = pci_load_saved_state(pdev, adev->pci_state); | |
5510 | ||
5511 | if (!r) { | |
5512 | pci_restore_state(pdev); | |
5513 | } else { | |
5514 | DRM_WARN("Failed to load PCI state, err:%d\n", r); | |
5515 | return false; | |
5516 | } | |
5517 | ||
5518 | return true; | |
5519 | } | |
5520 | ||
810085dd EH |
5521 | void amdgpu_device_flush_hdp(struct amdgpu_device *adev, |
5522 | struct amdgpu_ring *ring) | |
5523 | { | |
5524 | #ifdef CONFIG_X86_64 | |
5525 | if (adev->flags & AMD_IS_APU) | |
5526 | return; | |
5527 | #endif | |
5528 | if (adev->gmc.xgmi.connected_to_cpu) | |
5529 | return; | |
5530 | ||
5531 | if (ring && ring->funcs->emit_hdp_flush) | |
5532 | amdgpu_ring_emit_hdp_flush(ring); | |
5533 | else | |
5534 | amdgpu_asic_flush_hdp(adev, ring); | |
5535 | } | |
c1dd4aa6 | 5536 | |
810085dd EH |
5537 | void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, |
5538 | struct amdgpu_ring *ring) | |
5539 | { | |
5540 | #ifdef CONFIG_X86_64 | |
5541 | if (adev->flags & AMD_IS_APU) | |
5542 | return; | |
5543 | #endif | |
5544 | if (adev->gmc.xgmi.connected_to_cpu) | |
5545 | return; | |
c1dd4aa6 | 5546 | |
810085dd EH |
5547 | amdgpu_asic_invalidate_hdp(adev, ring); |
5548 | } |