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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" |
5183411b | 68 | |
d5ea093e | 69 | #include <linux/suspend.h> |
c6a6e2db | 70 | #include <drm/task_barrier.h> |
3f12acc8 | 71 | #include <linux/pm_runtime.h> |
d5ea093e | 72 | |
e2a75f88 | 73 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
3f76dced | 74 | MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); |
2d2e5e7e | 75 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
ad5a67a7 | 76 | MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); |
54c4d17e | 77 | MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); |
65e60f6e | 78 | MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin"); |
b51a26a0 | 79 | MODULE_FIRMWARE("amdgpu/renoir_gpu_info.bin"); |
23c6268e | 80 | MODULE_FIRMWARE("amdgpu/navi10_gpu_info.bin"); |
ed42cfe1 | 81 | MODULE_FIRMWARE("amdgpu/navi14_gpu_info.bin"); |
42b325e5 | 82 | MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); |
4e52a9f8 | 83 | MODULE_FIRMWARE("amdgpu/vangogh_gpu_info.bin"); |
2e62f0b5 | 84 | MODULE_FIRMWARE("amdgpu/green_sardine_gpu_info.bin"); |
e2a75f88 | 85 | |
2dc80b00 S |
86 | #define AMDGPU_RESUME_MS 2000 |
87 | ||
050091ab | 88 | const char *amdgpu_asic_name[] = { |
da69c161 KW |
89 | "TAHITI", |
90 | "PITCAIRN", | |
91 | "VERDE", | |
92 | "OLAND", | |
93 | "HAINAN", | |
d38ceaf9 AD |
94 | "BONAIRE", |
95 | "KAVERI", | |
96 | "KABINI", | |
97 | "HAWAII", | |
98 | "MULLINS", | |
99 | "TOPAZ", | |
100 | "TONGA", | |
48299f95 | 101 | "FIJI", |
d38ceaf9 | 102 | "CARRIZO", |
139f4917 | 103 | "STONEY", |
2cc0c0b5 FC |
104 | "POLARIS10", |
105 | "POLARIS11", | |
c4642a47 | 106 | "POLARIS12", |
48ff108d | 107 | "VEGAM", |
d4196f01 | 108 | "VEGA10", |
8fab806a | 109 | "VEGA12", |
956fcddc | 110 | "VEGA20", |
2ca8a5d2 | 111 | "RAVEN", |
d6c3b24e | 112 | "ARCTURUS", |
1eee4228 | 113 | "RENOIR", |
852a6626 | 114 | "NAVI10", |
87dbad02 | 115 | "NAVI14", |
9802f5d7 | 116 | "NAVI12", |
ccaf72d3 | 117 | "SIENNA_CICHLID", |
ddd8fbe7 | 118 | "NAVY_FLOUNDER", |
4f1e9a76 | 119 | "VANGOGH", |
a2468e04 | 120 | "DIMGREY_CAVEFISH", |
d38ceaf9 AD |
121 | "LAST", |
122 | }; | |
123 | ||
dcea6e65 KR |
124 | /** |
125 | * DOC: pcie_replay_count | |
126 | * | |
127 | * The amdgpu driver provides a sysfs API for reporting the total number | |
128 | * of PCIe replays (NAKs) | |
129 | * The file pcie_replay_count is used for this and returns the total | |
130 | * number of replays as a sum of the NAKs generated and NAKs received | |
131 | */ | |
132 | ||
133 | static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, | |
134 | struct device_attribute *attr, char *buf) | |
135 | { | |
136 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 137 | struct amdgpu_device *adev = drm_to_adev(ddev); |
dcea6e65 KR |
138 | uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); |
139 | ||
140 | return snprintf(buf, PAGE_SIZE, "%llu\n", cnt); | |
141 | } | |
142 | ||
143 | static DEVICE_ATTR(pcie_replay_count, S_IRUGO, | |
144 | amdgpu_device_get_pcie_replay_count, NULL); | |
145 | ||
5494d864 AD |
146 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); |
147 | ||
bd607166 KR |
148 | /** |
149 | * DOC: product_name | |
150 | * | |
151 | * The amdgpu driver provides a sysfs API for reporting the product name | |
152 | * for the device | |
153 | * The file serial_number is used for this and returns the product name | |
154 | * as returned from the FRU. | |
155 | * NOTE: This is only available for certain server cards | |
156 | */ | |
157 | ||
158 | static ssize_t amdgpu_device_get_product_name(struct device *dev, | |
159 | struct device_attribute *attr, char *buf) | |
160 | { | |
161 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 162 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 KR |
163 | |
164 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_name); | |
165 | } | |
166 | ||
167 | static DEVICE_ATTR(product_name, S_IRUGO, | |
168 | amdgpu_device_get_product_name, NULL); | |
169 | ||
170 | /** | |
171 | * DOC: product_number | |
172 | * | |
173 | * The amdgpu driver provides a sysfs API for reporting the part number | |
174 | * for the device | |
175 | * The file serial_number is used for this and returns the part number | |
176 | * as returned from the FRU. | |
177 | * NOTE: This is only available for certain server cards | |
178 | */ | |
179 | ||
180 | static ssize_t amdgpu_device_get_product_number(struct device *dev, | |
181 | struct device_attribute *attr, char *buf) | |
182 | { | |
183 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 184 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 KR |
185 | |
186 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_number); | |
187 | } | |
188 | ||
189 | static DEVICE_ATTR(product_number, S_IRUGO, | |
190 | amdgpu_device_get_product_number, NULL); | |
191 | ||
192 | /** | |
193 | * DOC: serial_number | |
194 | * | |
195 | * The amdgpu driver provides a sysfs API for reporting the serial number | |
196 | * for the device | |
197 | * The file serial_number is used for this and returns the serial number | |
198 | * as returned from the FRU. | |
199 | * NOTE: This is only available for certain server cards | |
200 | */ | |
201 | ||
202 | static ssize_t amdgpu_device_get_serial_number(struct device *dev, | |
203 | struct device_attribute *attr, char *buf) | |
204 | { | |
205 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 206 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 KR |
207 | |
208 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->serial); | |
209 | } | |
210 | ||
211 | static DEVICE_ATTR(serial_number, S_IRUGO, | |
212 | amdgpu_device_get_serial_number, NULL); | |
213 | ||
e3ecdffa | 214 | /** |
31af062a | 215 | * amdgpu_device_supports_boco - Is the device a dGPU with HG/PX power control |
e3ecdffa AD |
216 | * |
217 | * @dev: drm_device pointer | |
218 | * | |
219 | * Returns true if the device is a dGPU with HG/PX power control, | |
220 | * otherwise return false. | |
221 | */ | |
31af062a | 222 | bool amdgpu_device_supports_boco(struct drm_device *dev) |
d38ceaf9 | 223 | { |
1348969a | 224 | struct amdgpu_device *adev = drm_to_adev(dev); |
d38ceaf9 | 225 | |
2f7d10b3 | 226 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
227 | return true; |
228 | return false; | |
229 | } | |
230 | ||
a69cba42 AD |
231 | /** |
232 | * amdgpu_device_supports_baco - Does the device support BACO | |
233 | * | |
234 | * @dev: drm_device pointer | |
235 | * | |
236 | * Returns true if the device supporte BACO, | |
237 | * otherwise return false. | |
238 | */ | |
239 | bool amdgpu_device_supports_baco(struct drm_device *dev) | |
240 | { | |
1348969a | 241 | struct amdgpu_device *adev = drm_to_adev(dev); |
a69cba42 AD |
242 | |
243 | return amdgpu_asic_supports_baco(adev); | |
244 | } | |
245 | ||
e35e2b11 TY |
246 | /** |
247 | * VRAM access helper functions. | |
248 | * | |
249 | * amdgpu_device_vram_access - read/write a buffer in vram | |
250 | * | |
251 | * @adev: amdgpu_device pointer | |
252 | * @pos: offset of the buffer in vram | |
253 | * @buf: virtual address of the buffer in system memory | |
254 | * @size: read/write size, sizeof(@buf) must > @size | |
255 | * @write: true - write to vram, otherwise - read from vram | |
256 | */ | |
257 | void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, | |
258 | uint32_t *buf, size_t size, bool write) | |
259 | { | |
e35e2b11 | 260 | unsigned long flags; |
ce05ac56 CK |
261 | uint32_t hi = ~0; |
262 | uint64_t last; | |
263 | ||
9d11eb0d CK |
264 | |
265 | #ifdef CONFIG_64BIT | |
266 | last = min(pos + size, adev->gmc.visible_vram_size); | |
267 | if (last > pos) { | |
268 | void __iomem *addr = adev->mman.aper_base_kaddr + pos; | |
269 | size_t count = last - pos; | |
270 | ||
271 | if (write) { | |
272 | memcpy_toio(addr, buf, count); | |
273 | mb(); | |
274 | amdgpu_asic_flush_hdp(adev, NULL); | |
275 | } else { | |
276 | amdgpu_asic_invalidate_hdp(adev, NULL); | |
277 | mb(); | |
278 | memcpy_fromio(buf, addr, count); | |
279 | } | |
280 | ||
281 | if (count == size) | |
282 | return; | |
283 | ||
284 | pos += count; | |
285 | buf += count / 4; | |
286 | size -= count; | |
287 | } | |
288 | #endif | |
289 | ||
ce05ac56 CK |
290 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); |
291 | for (last = pos + size; pos < last; pos += 4) { | |
292 | uint32_t tmp = pos >> 31; | |
e35e2b11 | 293 | |
e35e2b11 | 294 | WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); |
ce05ac56 CK |
295 | if (tmp != hi) { |
296 | WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); | |
297 | hi = tmp; | |
298 | } | |
e35e2b11 TY |
299 | if (write) |
300 | WREG32_NO_KIQ(mmMM_DATA, *buf++); | |
301 | else | |
302 | *buf++ = RREG32_NO_KIQ(mmMM_DATA); | |
e35e2b11 | 303 | } |
ce05ac56 | 304 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); |
e35e2b11 TY |
305 | } |
306 | ||
d38ceaf9 | 307 | /* |
f7ee1874 | 308 | * register access helper functions. |
d38ceaf9 | 309 | */ |
e3ecdffa | 310 | /** |
f7ee1874 | 311 | * amdgpu_device_rreg - read a memory mapped IO or indirect register |
e3ecdffa AD |
312 | * |
313 | * @adev: amdgpu_device pointer | |
314 | * @reg: dword aligned register offset | |
315 | * @acc_flags: access flags which require special behavior | |
316 | * | |
317 | * Returns the 32 bit value from the offset specified. | |
318 | */ | |
f7ee1874 HZ |
319 | uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, |
320 | uint32_t reg, uint32_t acc_flags) | |
d38ceaf9 | 321 | { |
f4b373f4 TSD |
322 | uint32_t ret; |
323 | ||
bf36b52e AG |
324 | if (adev->in_pci_err_recovery) |
325 | return 0; | |
326 | ||
f7ee1874 HZ |
327 | if ((reg * 4) < adev->rmmio_size) { |
328 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
329 | amdgpu_sriov_runtime(adev) && | |
330 | down_read_trylock(&adev->reset_sem)) { | |
331 | ret = amdgpu_kiq_rreg(adev, reg); | |
332 | up_read(&adev->reset_sem); | |
333 | } else { | |
334 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); | |
335 | } | |
336 | } else { | |
337 | ret = adev->pcie_rreg(adev, reg * 4); | |
81202807 | 338 | } |
bc992ba5 | 339 | |
f7ee1874 | 340 | trace_amdgpu_device_rreg(adev->pdev->device, reg, ret); |
e78b579d | 341 | |
f4b373f4 | 342 | return ret; |
d38ceaf9 AD |
343 | } |
344 | ||
421a2a30 ML |
345 | /* |
346 | * MMIO register read with bytes helper functions | |
347 | * @offset:bytes offset from MMIO start | |
348 | * | |
349 | */ | |
350 | ||
e3ecdffa AD |
351 | /** |
352 | * amdgpu_mm_rreg8 - read a memory mapped IO register | |
353 | * | |
354 | * @adev: amdgpu_device pointer | |
355 | * @offset: byte aligned register offset | |
356 | * | |
357 | * Returns the 8 bit value from the offset specified. | |
358 | */ | |
7cbbc745 AG |
359 | uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) |
360 | { | |
bf36b52e AG |
361 | if (adev->in_pci_err_recovery) |
362 | return 0; | |
363 | ||
421a2a30 ML |
364 | if (offset < adev->rmmio_size) |
365 | return (readb(adev->rmmio + offset)); | |
366 | BUG(); | |
367 | } | |
368 | ||
369 | /* | |
370 | * MMIO register write with bytes helper functions | |
371 | * @offset:bytes offset from MMIO start | |
372 | * @value: the value want to be written to the register | |
373 | * | |
374 | */ | |
e3ecdffa AD |
375 | /** |
376 | * amdgpu_mm_wreg8 - read a memory mapped IO register | |
377 | * | |
378 | * @adev: amdgpu_device pointer | |
379 | * @offset: byte aligned register offset | |
380 | * @value: 8 bit value to write | |
381 | * | |
382 | * Writes the value specified to the offset specified. | |
383 | */ | |
7cbbc745 AG |
384 | void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) |
385 | { | |
bf36b52e AG |
386 | if (adev->in_pci_err_recovery) |
387 | return; | |
388 | ||
421a2a30 ML |
389 | if (offset < adev->rmmio_size) |
390 | writeb(value, adev->rmmio + offset); | |
391 | else | |
392 | BUG(); | |
393 | } | |
394 | ||
e3ecdffa | 395 | /** |
f7ee1874 | 396 | * amdgpu_device_wreg - write to a memory mapped IO or indirect register |
e3ecdffa AD |
397 | * |
398 | * @adev: amdgpu_device pointer | |
399 | * @reg: dword aligned register offset | |
400 | * @v: 32 bit value to write to the register | |
401 | * @acc_flags: access flags which require special behavior | |
402 | * | |
403 | * Writes the value specified to the offset specified. | |
404 | */ | |
f7ee1874 HZ |
405 | void amdgpu_device_wreg(struct amdgpu_device *adev, |
406 | uint32_t reg, uint32_t v, | |
407 | uint32_t acc_flags) | |
d38ceaf9 | 408 | { |
bf36b52e AG |
409 | if (adev->in_pci_err_recovery) |
410 | return; | |
411 | ||
f7ee1874 HZ |
412 | if ((reg * 4) < adev->rmmio_size) { |
413 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && | |
414 | amdgpu_sriov_runtime(adev) && | |
415 | down_read_trylock(&adev->reset_sem)) { | |
416 | amdgpu_kiq_wreg(adev, reg, v); | |
417 | up_read(&adev->reset_sem); | |
418 | } else { | |
419 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
420 | } | |
421 | } else { | |
422 | adev->pcie_wreg(adev, reg * 4, v); | |
81202807 | 423 | } |
bc992ba5 | 424 | |
f7ee1874 | 425 | trace_amdgpu_device_wreg(adev->pdev->device, reg, v); |
2e0cc4d4 | 426 | } |
d38ceaf9 | 427 | |
2e0cc4d4 ML |
428 | /* |
429 | * amdgpu_mm_wreg_mmio_rlc - write register either with mmio or with RLC path if in range | |
430 | * | |
431 | * this function is invoked only the debugfs register access | |
432 | * */ | |
f7ee1874 HZ |
433 | void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, |
434 | uint32_t reg, uint32_t v) | |
2e0cc4d4 | 435 | { |
bf36b52e AG |
436 | if (adev->in_pci_err_recovery) |
437 | return; | |
438 | ||
2e0cc4d4 | 439 | if (amdgpu_sriov_fullaccess(adev) && |
f7ee1874 HZ |
440 | adev->gfx.rlc.funcs && |
441 | adev->gfx.rlc.funcs->is_rlcg_access_range) { | |
2e0cc4d4 ML |
442 | if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) |
443 | return adev->gfx.rlc.funcs->rlcg_wreg(adev, reg, v); | |
f7ee1874 HZ |
444 | } else { |
445 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
47ed4e1c | 446 | } |
d38ceaf9 AD |
447 | } |
448 | ||
e3ecdffa AD |
449 | /** |
450 | * amdgpu_io_rreg - read an IO register | |
451 | * | |
452 | * @adev: amdgpu_device pointer | |
453 | * @reg: dword aligned register offset | |
454 | * | |
455 | * Returns the 32 bit value from the offset specified. | |
456 | */ | |
d38ceaf9 AD |
457 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) |
458 | { | |
bf36b52e AG |
459 | if (adev->in_pci_err_recovery) |
460 | return 0; | |
461 | ||
d38ceaf9 AD |
462 | if ((reg * 4) < adev->rio_mem_size) |
463 | return ioread32(adev->rio_mem + (reg * 4)); | |
464 | else { | |
465 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
466 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
467 | } | |
468 | } | |
469 | ||
e3ecdffa AD |
470 | /** |
471 | * amdgpu_io_wreg - write to an IO register | |
472 | * | |
473 | * @adev: amdgpu_device pointer | |
474 | * @reg: dword aligned register offset | |
475 | * @v: 32 bit value to write to the register | |
476 | * | |
477 | * Writes the value specified to the offset specified. | |
478 | */ | |
d38ceaf9 AD |
479 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) |
480 | { | |
bf36b52e AG |
481 | if (adev->in_pci_err_recovery) |
482 | return; | |
483 | ||
d38ceaf9 AD |
484 | if ((reg * 4) < adev->rio_mem_size) |
485 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
486 | else { | |
487 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
488 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
489 | } | |
490 | } | |
491 | ||
492 | /** | |
493 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
494 | * | |
495 | * @adev: amdgpu_device pointer | |
496 | * @index: doorbell index | |
497 | * | |
498 | * Returns the value in the doorbell aperture at the | |
499 | * requested doorbell index (CIK). | |
500 | */ | |
501 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
502 | { | |
bf36b52e AG |
503 | if (adev->in_pci_err_recovery) |
504 | return 0; | |
505 | ||
d38ceaf9 AD |
506 | if (index < adev->doorbell.num_doorbells) { |
507 | return readl(adev->doorbell.ptr + index); | |
508 | } else { | |
509 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
510 | return 0; | |
511 | } | |
512 | } | |
513 | ||
514 | /** | |
515 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
516 | * | |
517 | * @adev: amdgpu_device pointer | |
518 | * @index: doorbell index | |
519 | * @v: value to write | |
520 | * | |
521 | * Writes @v to the doorbell aperture at the | |
522 | * requested doorbell index (CIK). | |
523 | */ | |
524 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
525 | { | |
bf36b52e AG |
526 | if (adev->in_pci_err_recovery) |
527 | return; | |
528 | ||
d38ceaf9 AD |
529 | if (index < adev->doorbell.num_doorbells) { |
530 | writel(v, adev->doorbell.ptr + index); | |
531 | } else { | |
532 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
533 | } | |
534 | } | |
535 | ||
832be404 KW |
536 | /** |
537 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
538 | * | |
539 | * @adev: amdgpu_device pointer | |
540 | * @index: doorbell index | |
541 | * | |
542 | * Returns the value in the doorbell aperture at the | |
543 | * requested doorbell index (VEGA10+). | |
544 | */ | |
545 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
546 | { | |
bf36b52e AG |
547 | if (adev->in_pci_err_recovery) |
548 | return 0; | |
549 | ||
832be404 KW |
550 | if (index < adev->doorbell.num_doorbells) { |
551 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
552 | } else { | |
553 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
554 | return 0; | |
555 | } | |
556 | } | |
557 | ||
558 | /** | |
559 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
560 | * | |
561 | * @adev: amdgpu_device pointer | |
562 | * @index: doorbell index | |
563 | * @v: value to write | |
564 | * | |
565 | * Writes @v to the doorbell aperture at the | |
566 | * requested doorbell index (VEGA10+). | |
567 | */ | |
568 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
569 | { | |
bf36b52e AG |
570 | if (adev->in_pci_err_recovery) |
571 | return; | |
572 | ||
832be404 KW |
573 | if (index < adev->doorbell.num_doorbells) { |
574 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
575 | } else { | |
576 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
577 | } | |
578 | } | |
579 | ||
1bba3683 HZ |
580 | /** |
581 | * amdgpu_device_indirect_rreg - read an indirect register | |
582 | * | |
583 | * @adev: amdgpu_device pointer | |
584 | * @pcie_index: mmio register offset | |
585 | * @pcie_data: mmio register offset | |
586 | * | |
587 | * Returns the value of indirect register @reg_addr | |
588 | */ | |
589 | u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev, | |
590 | u32 pcie_index, u32 pcie_data, | |
591 | u32 reg_addr) | |
592 | { | |
593 | unsigned long flags; | |
594 | u32 r; | |
595 | void __iomem *pcie_index_offset; | |
596 | void __iomem *pcie_data_offset; | |
597 | ||
598 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
599 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
600 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
601 | ||
602 | writel(reg_addr, pcie_index_offset); | |
603 | readl(pcie_index_offset); | |
604 | r = readl(pcie_data_offset); | |
605 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
606 | ||
607 | return r; | |
608 | } | |
609 | ||
610 | /** | |
611 | * amdgpu_device_indirect_rreg64 - read a 64bits indirect register | |
612 | * | |
613 | * @adev: amdgpu_device pointer | |
614 | * @pcie_index: mmio register offset | |
615 | * @pcie_data: mmio register offset | |
616 | * | |
617 | * Returns the value of indirect register @reg_addr | |
618 | */ | |
619 | u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev, | |
620 | u32 pcie_index, u32 pcie_data, | |
621 | u32 reg_addr) | |
622 | { | |
623 | unsigned long flags; | |
624 | u64 r; | |
625 | void __iomem *pcie_index_offset; | |
626 | void __iomem *pcie_data_offset; | |
627 | ||
628 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
629 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
630 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
631 | ||
632 | /* read low 32 bits */ | |
633 | writel(reg_addr, pcie_index_offset); | |
634 | readl(pcie_index_offset); | |
635 | r = readl(pcie_data_offset); | |
636 | /* read high 32 bits */ | |
637 | writel(reg_addr + 4, pcie_index_offset); | |
638 | readl(pcie_index_offset); | |
639 | r |= ((u64)readl(pcie_data_offset) << 32); | |
640 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
641 | ||
642 | return r; | |
643 | } | |
644 | ||
645 | /** | |
646 | * amdgpu_device_indirect_wreg - write an indirect register address | |
647 | * | |
648 | * @adev: amdgpu_device pointer | |
649 | * @pcie_index: mmio register offset | |
650 | * @pcie_data: mmio register offset | |
651 | * @reg_addr: indirect register offset | |
652 | * @reg_data: indirect register data | |
653 | * | |
654 | */ | |
655 | void amdgpu_device_indirect_wreg(struct amdgpu_device *adev, | |
656 | u32 pcie_index, u32 pcie_data, | |
657 | u32 reg_addr, u32 reg_data) | |
658 | { | |
659 | unsigned long flags; | |
660 | void __iomem *pcie_index_offset; | |
661 | void __iomem *pcie_data_offset; | |
662 | ||
663 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
664 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
665 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
666 | ||
667 | writel(reg_addr, pcie_index_offset); | |
668 | readl(pcie_index_offset); | |
669 | writel(reg_data, pcie_data_offset); | |
670 | readl(pcie_data_offset); | |
671 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
672 | } | |
673 | ||
674 | /** | |
675 | * amdgpu_device_indirect_wreg64 - write a 64bits indirect register address | |
676 | * | |
677 | * @adev: amdgpu_device pointer | |
678 | * @pcie_index: mmio register offset | |
679 | * @pcie_data: mmio register offset | |
680 | * @reg_addr: indirect register offset | |
681 | * @reg_data: indirect register data | |
682 | * | |
683 | */ | |
684 | void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev, | |
685 | u32 pcie_index, u32 pcie_data, | |
686 | u32 reg_addr, u64 reg_data) | |
687 | { | |
688 | unsigned long flags; | |
689 | void __iomem *pcie_index_offset; | |
690 | void __iomem *pcie_data_offset; | |
691 | ||
692 | spin_lock_irqsave(&adev->pcie_idx_lock, flags); | |
693 | pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; | |
694 | pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; | |
695 | ||
696 | /* write low 32 bits */ | |
697 | writel(reg_addr, pcie_index_offset); | |
698 | readl(pcie_index_offset); | |
699 | writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset); | |
700 | readl(pcie_data_offset); | |
701 | /* write high 32 bits */ | |
702 | writel(reg_addr + 4, pcie_index_offset); | |
703 | readl(pcie_index_offset); | |
704 | writel((u32)(reg_data >> 32), pcie_data_offset); | |
705 | readl(pcie_data_offset); | |
706 | spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); | |
707 | } | |
708 | ||
d38ceaf9 AD |
709 | /** |
710 | * amdgpu_invalid_rreg - dummy reg read function | |
711 | * | |
982a820b | 712 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
713 | * @reg: offset of register |
714 | * | |
715 | * Dummy register read function. Used for register blocks | |
716 | * that certain asics don't have (all asics). | |
717 | * Returns the value in the register. | |
718 | */ | |
719 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
720 | { | |
721 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
722 | BUG(); | |
723 | return 0; | |
724 | } | |
725 | ||
726 | /** | |
727 | * amdgpu_invalid_wreg - dummy reg write function | |
728 | * | |
982a820b | 729 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
730 | * @reg: offset of register |
731 | * @v: value to write to the register | |
732 | * | |
733 | * Dummy register read function. Used for register blocks | |
734 | * that certain asics don't have (all asics). | |
735 | */ | |
736 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
737 | { | |
738 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
739 | reg, v); | |
740 | BUG(); | |
741 | } | |
742 | ||
4fa1c6a6 TZ |
743 | /** |
744 | * amdgpu_invalid_rreg64 - dummy 64 bit reg read function | |
745 | * | |
982a820b | 746 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
747 | * @reg: offset of register |
748 | * | |
749 | * Dummy register read function. Used for register blocks | |
750 | * that certain asics don't have (all asics). | |
751 | * Returns the value in the register. | |
752 | */ | |
753 | static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) | |
754 | { | |
755 | DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg); | |
756 | BUG(); | |
757 | return 0; | |
758 | } | |
759 | ||
760 | /** | |
761 | * amdgpu_invalid_wreg64 - dummy reg write function | |
762 | * | |
982a820b | 763 | * @adev: amdgpu_device pointer |
4fa1c6a6 TZ |
764 | * @reg: offset of register |
765 | * @v: value to write to the register | |
766 | * | |
767 | * Dummy register read function. Used for register blocks | |
768 | * that certain asics don't have (all asics). | |
769 | */ | |
770 | static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) | |
771 | { | |
772 | DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", | |
773 | reg, v); | |
774 | BUG(); | |
775 | } | |
776 | ||
d38ceaf9 AD |
777 | /** |
778 | * amdgpu_block_invalid_rreg - dummy reg read function | |
779 | * | |
982a820b | 780 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
781 | * @block: offset of instance |
782 | * @reg: offset of register | |
783 | * | |
784 | * Dummy register read function. Used for register blocks | |
785 | * that certain asics don't have (all asics). | |
786 | * Returns the value in the register. | |
787 | */ | |
788 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
789 | uint32_t block, uint32_t reg) | |
790 | { | |
791 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
792 | reg, block); | |
793 | BUG(); | |
794 | return 0; | |
795 | } | |
796 | ||
797 | /** | |
798 | * amdgpu_block_invalid_wreg - dummy reg write function | |
799 | * | |
982a820b | 800 | * @adev: amdgpu_device pointer |
d38ceaf9 AD |
801 | * @block: offset of instance |
802 | * @reg: offset of register | |
803 | * @v: value to write to the register | |
804 | * | |
805 | * Dummy register read function. Used for register blocks | |
806 | * that certain asics don't have (all asics). | |
807 | */ | |
808 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
809 | uint32_t block, | |
810 | uint32_t reg, uint32_t v) | |
811 | { | |
812 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
813 | reg, block, v); | |
814 | BUG(); | |
815 | } | |
816 | ||
4d2997ab AD |
817 | /** |
818 | * amdgpu_device_asic_init - Wrapper for atom asic_init | |
819 | * | |
982a820b | 820 | * @adev: amdgpu_device pointer |
4d2997ab AD |
821 | * |
822 | * Does any asic specific work and then calls atom asic init. | |
823 | */ | |
824 | static int amdgpu_device_asic_init(struct amdgpu_device *adev) | |
825 | { | |
826 | amdgpu_asic_pre_asic_init(adev); | |
827 | ||
828 | return amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
829 | } | |
830 | ||
e3ecdffa AD |
831 | /** |
832 | * amdgpu_device_vram_scratch_init - allocate the VRAM scratch page | |
833 | * | |
982a820b | 834 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
835 | * |
836 | * Allocates a scratch page of VRAM for use by various things in the | |
837 | * driver. | |
838 | */ | |
06ec9070 | 839 | static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) |
d38ceaf9 | 840 | { |
a4a02777 CK |
841 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
842 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, | |
843 | &adev->vram_scratch.robj, | |
844 | &adev->vram_scratch.gpu_addr, | |
845 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
846 | } |
847 | ||
e3ecdffa AD |
848 | /** |
849 | * amdgpu_device_vram_scratch_fini - Free the VRAM scratch page | |
850 | * | |
982a820b | 851 | * @adev: amdgpu_device pointer |
e3ecdffa AD |
852 | * |
853 | * Frees the VRAM scratch page. | |
854 | */ | |
06ec9070 | 855 | static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev) |
d38ceaf9 | 856 | { |
078af1a3 | 857 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
858 | } |
859 | ||
860 | /** | |
9c3f2b54 | 861 | * amdgpu_device_program_register_sequence - program an array of registers. |
d38ceaf9 AD |
862 | * |
863 | * @adev: amdgpu_device pointer | |
864 | * @registers: pointer to the register array | |
865 | * @array_size: size of the register array | |
866 | * | |
867 | * Programs an array or registers with and and or masks. | |
868 | * This is a helper for setting golden registers. | |
869 | */ | |
9c3f2b54 AD |
870 | void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, |
871 | const u32 *registers, | |
872 | const u32 array_size) | |
d38ceaf9 AD |
873 | { |
874 | u32 tmp, reg, and_mask, or_mask; | |
875 | int i; | |
876 | ||
877 | if (array_size % 3) | |
878 | return; | |
879 | ||
880 | for (i = 0; i < array_size; i +=3) { | |
881 | reg = registers[i + 0]; | |
882 | and_mask = registers[i + 1]; | |
883 | or_mask = registers[i + 2]; | |
884 | ||
885 | if (and_mask == 0xffffffff) { | |
886 | tmp = or_mask; | |
887 | } else { | |
888 | tmp = RREG32(reg); | |
889 | tmp &= ~and_mask; | |
e0d07657 HZ |
890 | if (adev->family >= AMDGPU_FAMILY_AI) |
891 | tmp |= (or_mask & and_mask); | |
892 | else | |
893 | tmp |= or_mask; | |
d38ceaf9 AD |
894 | } |
895 | WREG32(reg, tmp); | |
896 | } | |
897 | } | |
898 | ||
e3ecdffa AD |
899 | /** |
900 | * amdgpu_device_pci_config_reset - reset the GPU | |
901 | * | |
902 | * @adev: amdgpu_device pointer | |
903 | * | |
904 | * Resets the GPU using the pci config reset sequence. | |
905 | * Only applicable to asics prior to vega10. | |
906 | */ | |
8111c387 | 907 | void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) |
d38ceaf9 AD |
908 | { |
909 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
910 | } | |
911 | ||
912 | /* | |
913 | * GPU doorbell aperture helpers function. | |
914 | */ | |
915 | /** | |
06ec9070 | 916 | * amdgpu_device_doorbell_init - Init doorbell driver information. |
d38ceaf9 AD |
917 | * |
918 | * @adev: amdgpu_device pointer | |
919 | * | |
920 | * Init doorbell driver information (CIK) | |
921 | * Returns 0 on success, error on failure. | |
922 | */ | |
06ec9070 | 923 | static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) |
d38ceaf9 | 924 | { |
6585661d | 925 | |
705e519e CK |
926 | /* No doorbell on SI hardware generation */ |
927 | if (adev->asic_type < CHIP_BONAIRE) { | |
928 | adev->doorbell.base = 0; | |
929 | adev->doorbell.size = 0; | |
930 | adev->doorbell.num_doorbells = 0; | |
931 | adev->doorbell.ptr = NULL; | |
932 | return 0; | |
933 | } | |
934 | ||
d6895ad3 CK |
935 | if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) |
936 | return -EINVAL; | |
937 | ||
22357775 AD |
938 | amdgpu_asic_init_doorbell_index(adev); |
939 | ||
d38ceaf9 AD |
940 | /* doorbell bar mapping */ |
941 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
942 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
943 | ||
edf600da | 944 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
9564f192 | 945 | adev->doorbell_index.max_assignment+1); |
d38ceaf9 AD |
946 | if (adev->doorbell.num_doorbells == 0) |
947 | return -EINVAL; | |
948 | ||
ec3db8a6 | 949 | /* For Vega, reserve and map two pages on doorbell BAR since SDMA |
88dc26e4 OZ |
950 | * paging queue doorbell use the second page. The |
951 | * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the | |
952 | * doorbells are in the first page. So with paging queue enabled, | |
953 | * the max num_doorbells should + 1 page (0x400 in dword) | |
ec3db8a6 PY |
954 | */ |
955 | if (adev->asic_type >= CHIP_VEGA10) | |
88dc26e4 | 956 | adev->doorbell.num_doorbells += 0x400; |
ec3db8a6 | 957 | |
8972e5d2 CK |
958 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
959 | adev->doorbell.num_doorbells * | |
960 | sizeof(u32)); | |
961 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 962 | return -ENOMEM; |
d38ceaf9 AD |
963 | |
964 | return 0; | |
965 | } | |
966 | ||
967 | /** | |
06ec9070 | 968 | * amdgpu_device_doorbell_fini - Tear down doorbell driver information. |
d38ceaf9 AD |
969 | * |
970 | * @adev: amdgpu_device pointer | |
971 | * | |
972 | * Tear down doorbell driver information (CIK) | |
973 | */ | |
06ec9070 | 974 | static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
975 | { |
976 | iounmap(adev->doorbell.ptr); | |
977 | adev->doorbell.ptr = NULL; | |
978 | } | |
979 | ||
22cb0164 | 980 | |
d38ceaf9 AD |
981 | |
982 | /* | |
06ec9070 | 983 | * amdgpu_device_wb_*() |
455a7bc2 | 984 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 985 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
986 | */ |
987 | ||
988 | /** | |
06ec9070 | 989 | * amdgpu_device_wb_fini - Disable Writeback and free memory |
d38ceaf9 AD |
990 | * |
991 | * @adev: amdgpu_device pointer | |
992 | * | |
993 | * Disables Writeback and frees the Writeback memory (all asics). | |
994 | * Used at driver shutdown. | |
995 | */ | |
06ec9070 | 996 | static void amdgpu_device_wb_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
997 | { |
998 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
999 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
1000 | &adev->wb.gpu_addr, | |
1001 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1002 | adev->wb.wb_obj = NULL; |
1003 | } | |
1004 | } | |
1005 | ||
1006 | /** | |
06ec9070 | 1007 | * amdgpu_device_wb_init- Init Writeback driver info and allocate memory |
d38ceaf9 AD |
1008 | * |
1009 | * @adev: amdgpu_device pointer | |
1010 | * | |
455a7bc2 | 1011 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
1012 | * Used at driver startup. |
1013 | * Returns 0 on success or an -error on failure. | |
1014 | */ | |
06ec9070 | 1015 | static int amdgpu_device_wb_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
1016 | { |
1017 | int r; | |
1018 | ||
1019 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
1020 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
1021 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
1022 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
1023 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
1024 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
1025 | if (r) { |
1026 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
1027 | return r; | |
1028 | } | |
d38ceaf9 AD |
1029 | |
1030 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
1031 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
1032 | ||
1033 | /* clear wb memory */ | |
73469585 | 1034 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8); |
d38ceaf9 AD |
1035 | } |
1036 | ||
1037 | return 0; | |
1038 | } | |
1039 | ||
1040 | /** | |
131b4b36 | 1041 | * amdgpu_device_wb_get - Allocate a wb entry |
d38ceaf9 AD |
1042 | * |
1043 | * @adev: amdgpu_device pointer | |
1044 | * @wb: wb index | |
1045 | * | |
1046 | * Allocate a wb slot for use by the driver (all asics). | |
1047 | * Returns 0 on success or -EINVAL on failure. | |
1048 | */ | |
131b4b36 | 1049 | int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) |
d38ceaf9 AD |
1050 | { |
1051 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 1052 | |
97407b63 | 1053 | if (offset < adev->wb.num_wb) { |
7014285a | 1054 | __set_bit(offset, adev->wb.used); |
63ae07ca | 1055 | *wb = offset << 3; /* convert to dw offset */ |
0915fdbc ML |
1056 | return 0; |
1057 | } else { | |
1058 | return -EINVAL; | |
1059 | } | |
1060 | } | |
1061 | ||
d38ceaf9 | 1062 | /** |
131b4b36 | 1063 | * amdgpu_device_wb_free - Free a wb entry |
d38ceaf9 AD |
1064 | * |
1065 | * @adev: amdgpu_device pointer | |
1066 | * @wb: wb index | |
1067 | * | |
1068 | * Free a wb slot allocated for use by the driver (all asics) | |
1069 | */ | |
131b4b36 | 1070 | void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) |
d38ceaf9 | 1071 | { |
73469585 | 1072 | wb >>= 3; |
d38ceaf9 | 1073 | if (wb < adev->wb.num_wb) |
73469585 | 1074 | __clear_bit(wb, adev->wb.used); |
d38ceaf9 AD |
1075 | } |
1076 | ||
d6895ad3 CK |
1077 | /** |
1078 | * amdgpu_device_resize_fb_bar - try to resize FB BAR | |
1079 | * | |
1080 | * @adev: amdgpu_device pointer | |
1081 | * | |
1082 | * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not | |
1083 | * to fail, but if any of the BARs is not accessible after the size we abort | |
1084 | * driver loading by returning -ENODEV. | |
1085 | */ | |
1086 | int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) | |
1087 | { | |
770d13b1 | 1088 | u64 space_needed = roundup_pow_of_two(adev->gmc.real_vram_size); |
d6895ad3 | 1089 | u32 rbar_size = order_base_2(((space_needed >> 20) | 1)) - 1; |
31b8adab CK |
1090 | struct pci_bus *root; |
1091 | struct resource *res; | |
1092 | unsigned i; | |
d6895ad3 CK |
1093 | u16 cmd; |
1094 | int r; | |
1095 | ||
0c03b912 | 1096 | /* Bypass for VF */ |
1097 | if (amdgpu_sriov_vf(adev)) | |
1098 | return 0; | |
1099 | ||
b7221f2b AD |
1100 | /* skip if the bios has already enabled large BAR */ |
1101 | if (adev->gmc.real_vram_size && | |
1102 | (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) | |
1103 | return 0; | |
1104 | ||
31b8adab CK |
1105 | /* Check if the root BUS has 64bit memory resources */ |
1106 | root = adev->pdev->bus; | |
1107 | while (root->parent) | |
1108 | root = root->parent; | |
1109 | ||
1110 | pci_bus_for_each_resource(root, res, i) { | |
0ebb7c54 | 1111 | if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && |
31b8adab CK |
1112 | res->start > 0x100000000ull) |
1113 | break; | |
1114 | } | |
1115 | ||
1116 | /* Trying to resize is pointless without a root hub window above 4GB */ | |
1117 | if (!res) | |
1118 | return 0; | |
1119 | ||
d6895ad3 CK |
1120 | /* Disable memory decoding while we change the BAR addresses and size */ |
1121 | pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); | |
1122 | pci_write_config_word(adev->pdev, PCI_COMMAND, | |
1123 | cmd & ~PCI_COMMAND_MEMORY); | |
1124 | ||
1125 | /* Free the VRAM and doorbell BAR, we most likely need to move both. */ | |
06ec9070 | 1126 | amdgpu_device_doorbell_fini(adev); |
d6895ad3 CK |
1127 | if (adev->asic_type >= CHIP_BONAIRE) |
1128 | pci_release_resource(adev->pdev, 2); | |
1129 | ||
1130 | pci_release_resource(adev->pdev, 0); | |
1131 | ||
1132 | r = pci_resize_resource(adev->pdev, 0, rbar_size); | |
1133 | if (r == -ENOSPC) | |
1134 | DRM_INFO("Not enough PCI address space for a large BAR."); | |
1135 | else if (r && r != -ENOTSUPP) | |
1136 | DRM_ERROR("Problem resizing BAR0 (%d).", r); | |
1137 | ||
1138 | pci_assign_unassigned_bus_resources(adev->pdev->bus); | |
1139 | ||
1140 | /* When the doorbell or fb BAR isn't available we have no chance of | |
1141 | * using the device. | |
1142 | */ | |
06ec9070 | 1143 | r = amdgpu_device_doorbell_init(adev); |
d6895ad3 CK |
1144 | if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) |
1145 | return -ENODEV; | |
1146 | ||
1147 | pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); | |
1148 | ||
1149 | return 0; | |
1150 | } | |
a05502e5 | 1151 | |
d38ceaf9 AD |
1152 | /* |
1153 | * GPU helpers function. | |
1154 | */ | |
1155 | /** | |
39c640c0 | 1156 | * amdgpu_device_need_post - check if the hw need post or not |
d38ceaf9 AD |
1157 | * |
1158 | * @adev: amdgpu_device pointer | |
1159 | * | |
c836fec5 JQ |
1160 | * Check if the asic has been initialized (all asics) at driver startup |
1161 | * or post is needed if hw reset is performed. | |
1162 | * Returns true if need or false if not. | |
d38ceaf9 | 1163 | */ |
39c640c0 | 1164 | bool amdgpu_device_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
1165 | { |
1166 | uint32_t reg; | |
1167 | ||
bec86378 ML |
1168 | if (amdgpu_sriov_vf(adev)) |
1169 | return false; | |
1170 | ||
1171 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
1172 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
1173 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
1174 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
1175 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
1176 | */ |
1177 | if (adev->asic_type == CHIP_FIJI) { | |
1178 | int err; | |
1179 | uint32_t fw_ver; | |
1180 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
1181 | /* force vPost if error occured */ | |
1182 | if (err) | |
1183 | return true; | |
1184 | ||
1185 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
1186 | if (fw_ver < 0x00160e00) |
1187 | return true; | |
bec86378 | 1188 | } |
bec86378 | 1189 | } |
91fe77eb | 1190 | |
1191 | if (adev->has_hw_reset) { | |
1192 | adev->has_hw_reset = false; | |
1193 | return true; | |
1194 | } | |
1195 | ||
1196 | /* bios scratch used on CIK+ */ | |
1197 | if (adev->asic_type >= CHIP_BONAIRE) | |
1198 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
1199 | ||
1200 | /* check MEM_SIZE for older asics */ | |
1201 | reg = amdgpu_asic_get_config_memsize(adev); | |
1202 | ||
1203 | if ((reg != 0) && (reg != 0xffffffff)) | |
1204 | return false; | |
1205 | ||
1206 | return true; | |
bec86378 ML |
1207 | } |
1208 | ||
d38ceaf9 AD |
1209 | /* if we get transitioned to only one device, take VGA back */ |
1210 | /** | |
06ec9070 | 1211 | * amdgpu_device_vga_set_decode - enable/disable vga decode |
d38ceaf9 AD |
1212 | * |
1213 | * @cookie: amdgpu_device pointer | |
1214 | * @state: enable/disable vga decode | |
1215 | * | |
1216 | * Enable/disable vga decode (all asics). | |
1217 | * Returns VGA resource flags. | |
1218 | */ | |
06ec9070 | 1219 | static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state) |
d38ceaf9 AD |
1220 | { |
1221 | struct amdgpu_device *adev = cookie; | |
1222 | amdgpu_asic_set_vga_state(adev, state); | |
1223 | if (state) | |
1224 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1225 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1226 | else | |
1227 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1228 | } | |
1229 | ||
e3ecdffa AD |
1230 | /** |
1231 | * amdgpu_device_check_block_size - validate the vm block size | |
1232 | * | |
1233 | * @adev: amdgpu_device pointer | |
1234 | * | |
1235 | * Validates the vm block size specified via module parameter. | |
1236 | * The vm block size defines number of bits in page table versus page directory, | |
1237 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1238 | * page table and the remaining bits are in the page directory. | |
1239 | */ | |
06ec9070 | 1240 | static void amdgpu_device_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1241 | { |
1242 | /* defines number of bits in page table versus page directory, | |
1243 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1244 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
1245 | if (amdgpu_vm_block_size == -1) |
1246 | return; | |
a1adf8be | 1247 | |
bab4fee7 | 1248 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1249 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1250 | amdgpu_vm_block_size); | |
97489129 | 1251 | amdgpu_vm_block_size = -1; |
a1adf8be | 1252 | } |
a1adf8be CZ |
1253 | } |
1254 | ||
e3ecdffa AD |
1255 | /** |
1256 | * amdgpu_device_check_vm_size - validate the vm size | |
1257 | * | |
1258 | * @adev: amdgpu_device pointer | |
1259 | * | |
1260 | * Validates the vm size in GB specified via module parameter. | |
1261 | * The VM size is the size of the GPU virtual memory space in GB. | |
1262 | */ | |
06ec9070 | 1263 | static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) |
83ca145d | 1264 | { |
64dab074 AD |
1265 | /* no need to check the default value */ |
1266 | if (amdgpu_vm_size == -1) | |
1267 | return; | |
1268 | ||
83ca145d ZJ |
1269 | if (amdgpu_vm_size < 1) { |
1270 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1271 | amdgpu_vm_size); | |
f3368128 | 1272 | amdgpu_vm_size = -1; |
83ca145d | 1273 | } |
83ca145d ZJ |
1274 | } |
1275 | ||
7951e376 RZ |
1276 | static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) |
1277 | { | |
1278 | struct sysinfo si; | |
a9d4fe2f | 1279 | bool is_os_64 = (sizeof(void *) == 8); |
7951e376 RZ |
1280 | uint64_t total_memory; |
1281 | uint64_t dram_size_seven_GB = 0x1B8000000; | |
1282 | uint64_t dram_size_three_GB = 0xB8000000; | |
1283 | ||
1284 | if (amdgpu_smu_memory_pool_size == 0) | |
1285 | return; | |
1286 | ||
1287 | if (!is_os_64) { | |
1288 | DRM_WARN("Not 64-bit OS, feature not supported\n"); | |
1289 | goto def_value; | |
1290 | } | |
1291 | si_meminfo(&si); | |
1292 | total_memory = (uint64_t)si.totalram * si.mem_unit; | |
1293 | ||
1294 | if ((amdgpu_smu_memory_pool_size == 1) || | |
1295 | (amdgpu_smu_memory_pool_size == 2)) { | |
1296 | if (total_memory < dram_size_three_GB) | |
1297 | goto def_value1; | |
1298 | } else if ((amdgpu_smu_memory_pool_size == 4) || | |
1299 | (amdgpu_smu_memory_pool_size == 8)) { | |
1300 | if (total_memory < dram_size_seven_GB) | |
1301 | goto def_value1; | |
1302 | } else { | |
1303 | DRM_WARN("Smu memory pool size not supported\n"); | |
1304 | goto def_value; | |
1305 | } | |
1306 | adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; | |
1307 | ||
1308 | return; | |
1309 | ||
1310 | def_value1: | |
1311 | DRM_WARN("No enough system memory\n"); | |
1312 | def_value: | |
1313 | adev->pm.smu_prv_buffer_size = 0; | |
1314 | } | |
1315 | ||
d38ceaf9 | 1316 | /** |
06ec9070 | 1317 | * amdgpu_device_check_arguments - validate module params |
d38ceaf9 AD |
1318 | * |
1319 | * @adev: amdgpu_device pointer | |
1320 | * | |
1321 | * Validates certain module parameters and updates | |
1322 | * the associated values used by the driver (all asics). | |
1323 | */ | |
912dfc84 | 1324 | static int amdgpu_device_check_arguments(struct amdgpu_device *adev) |
d38ceaf9 | 1325 | { |
5b011235 CZ |
1326 | if (amdgpu_sched_jobs < 4) { |
1327 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1328 | amdgpu_sched_jobs); | |
1329 | amdgpu_sched_jobs = 4; | |
76117507 | 1330 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
1331 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1332 | amdgpu_sched_jobs); | |
1333 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1334 | } | |
d38ceaf9 | 1335 | |
83e74db6 | 1336 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1337 | /* gart size must be greater or equal to 32M */ |
1338 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1339 | amdgpu_gart_size); | |
83e74db6 | 1340 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1341 | } |
1342 | ||
36d38372 | 1343 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1344 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1345 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1346 | amdgpu_gtt_size); | |
1347 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1348 | } |
1349 | ||
d07f14be RH |
1350 | /* valid range is between 4 and 9 inclusive */ |
1351 | if (amdgpu_vm_fragment_size != -1 && | |
1352 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1353 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1354 | amdgpu_vm_fragment_size = -1; | |
1355 | } | |
1356 | ||
5d5bd5e3 KW |
1357 | if (amdgpu_sched_hw_submission < 2) { |
1358 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be at least 2\n", | |
1359 | amdgpu_sched_hw_submission); | |
1360 | amdgpu_sched_hw_submission = 2; | |
1361 | } else if (!is_power_of_2(amdgpu_sched_hw_submission)) { | |
1362 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be a power of 2\n", | |
1363 | amdgpu_sched_hw_submission); | |
1364 | amdgpu_sched_hw_submission = roundup_pow_of_two(amdgpu_sched_hw_submission); | |
1365 | } | |
1366 | ||
7951e376 RZ |
1367 | amdgpu_device_check_smu_prv_buffer_size(adev); |
1368 | ||
06ec9070 | 1369 | amdgpu_device_check_vm_size(adev); |
d38ceaf9 | 1370 | |
06ec9070 | 1371 | amdgpu_device_check_block_size(adev); |
6a7f76e7 | 1372 | |
19aede77 | 1373 | adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); |
912dfc84 | 1374 | |
c6252390 | 1375 | amdgpu_gmc_tmz_set(adev); |
01a8dcec | 1376 | |
9b498efa AD |
1377 | amdgpu_gmc_noretry_set(adev); |
1378 | ||
e3c00faa | 1379 | return 0; |
d38ceaf9 AD |
1380 | } |
1381 | ||
1382 | /** | |
1383 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1384 | * | |
1385 | * @pdev: pci dev pointer | |
1694467b | 1386 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1387 | * |
1388 | * Callback for the switcheroo driver. Suspends or resumes the | |
1389 | * the asics before or after it is powered up using ACPI methods. | |
1390 | */ | |
8aba21b7 LT |
1391 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, |
1392 | enum vga_switcheroo_state state) | |
d38ceaf9 AD |
1393 | { |
1394 | struct drm_device *dev = pci_get_drvdata(pdev); | |
de185019 | 1395 | int r; |
d38ceaf9 | 1396 | |
31af062a | 1397 | if (amdgpu_device_supports_boco(dev) && state == VGA_SWITCHEROO_OFF) |
d38ceaf9 AD |
1398 | return; |
1399 | ||
1400 | if (state == VGA_SWITCHEROO_ON) { | |
dd4fa6c1 | 1401 | pr_info("switched on\n"); |
d38ceaf9 AD |
1402 | /* don't suspend or resume card normally */ |
1403 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1404 | ||
de185019 | 1405 | pci_set_power_state(dev->pdev, PCI_D0); |
c1dd4aa6 | 1406 | amdgpu_device_load_pci_state(dev->pdev); |
de185019 AD |
1407 | r = pci_enable_device(dev->pdev); |
1408 | if (r) | |
1409 | DRM_WARN("pci_enable_device failed (%d)\n", r); | |
1410 | amdgpu_device_resume(dev, true); | |
d38ceaf9 | 1411 | |
d38ceaf9 AD |
1412 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
1413 | drm_kms_helper_poll_enable(dev); | |
1414 | } else { | |
dd4fa6c1 | 1415 | pr_info("switched off\n"); |
d38ceaf9 AD |
1416 | drm_kms_helper_poll_disable(dev); |
1417 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
de185019 | 1418 | amdgpu_device_suspend(dev, true); |
c1dd4aa6 | 1419 | amdgpu_device_cache_pci_state(dev->pdev); |
de185019 AD |
1420 | /* Shut down the device */ |
1421 | pci_disable_device(dev->pdev); | |
1422 | pci_set_power_state(dev->pdev, PCI_D3cold); | |
d38ceaf9 AD |
1423 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1424 | } | |
1425 | } | |
1426 | ||
1427 | /** | |
1428 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1429 | * | |
1430 | * @pdev: pci dev pointer | |
1431 | * | |
1432 | * Callback for the switcheroo driver. Check of the switcheroo | |
1433 | * state can be changed. | |
1434 | * Returns true if the state can be changed, false if not. | |
1435 | */ | |
1436 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1437 | { | |
1438 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1439 | ||
1440 | /* | |
1441 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1442 | * locking inversion with the driver load path. And the access here is | |
1443 | * completely racy anyway. So don't bother with locking for now. | |
1444 | */ | |
7e13ad89 | 1445 | return atomic_read(&dev->open_count) == 0; |
d38ceaf9 AD |
1446 | } |
1447 | ||
1448 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1449 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1450 | .reprobe = NULL, | |
1451 | .can_switch = amdgpu_switcheroo_can_switch, | |
1452 | }; | |
1453 | ||
e3ecdffa AD |
1454 | /** |
1455 | * amdgpu_device_ip_set_clockgating_state - set the CG state | |
1456 | * | |
87e3f136 | 1457 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1458 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1459 | * @state: clockgating state (gate or ungate) | |
1460 | * | |
1461 | * Sets the requested clockgating state for all instances of | |
1462 | * the hardware IP specified. | |
1463 | * Returns the error code from the last instance. | |
1464 | */ | |
43fa561f | 1465 | int amdgpu_device_ip_set_clockgating_state(void *dev, |
2990a1fc AD |
1466 | enum amd_ip_block_type block_type, |
1467 | enum amd_clockgating_state state) | |
d38ceaf9 | 1468 | { |
43fa561f | 1469 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1470 | int i, r = 0; |
1471 | ||
1472 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1473 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1474 | continue; |
c722865a RZ |
1475 | if (adev->ip_blocks[i].version->type != block_type) |
1476 | continue; | |
1477 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1478 | continue; | |
1479 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1480 | (void *)adev, state); | |
1481 | if (r) | |
1482 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1483 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1484 | } |
1485 | return r; | |
1486 | } | |
1487 | ||
e3ecdffa AD |
1488 | /** |
1489 | * amdgpu_device_ip_set_powergating_state - set the PG state | |
1490 | * | |
87e3f136 | 1491 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1492 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1493 | * @state: powergating state (gate or ungate) | |
1494 | * | |
1495 | * Sets the requested powergating state for all instances of | |
1496 | * the hardware IP specified. | |
1497 | * Returns the error code from the last instance. | |
1498 | */ | |
43fa561f | 1499 | int amdgpu_device_ip_set_powergating_state(void *dev, |
2990a1fc AD |
1500 | enum amd_ip_block_type block_type, |
1501 | enum amd_powergating_state state) | |
d38ceaf9 | 1502 | { |
43fa561f | 1503 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1504 | int i, r = 0; |
1505 | ||
1506 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1507 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1508 | continue; |
c722865a RZ |
1509 | if (adev->ip_blocks[i].version->type != block_type) |
1510 | continue; | |
1511 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1512 | continue; | |
1513 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1514 | (void *)adev, state); | |
1515 | if (r) | |
1516 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1517 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1518 | } |
1519 | return r; | |
1520 | } | |
1521 | ||
e3ecdffa AD |
1522 | /** |
1523 | * amdgpu_device_ip_get_clockgating_state - get the CG state | |
1524 | * | |
1525 | * @adev: amdgpu_device pointer | |
1526 | * @flags: clockgating feature flags | |
1527 | * | |
1528 | * Walks the list of IPs on the device and updates the clockgating | |
1529 | * flags for each IP. | |
1530 | * Updates @flags with the feature flags for each hardware IP where | |
1531 | * clockgating is enabled. | |
1532 | */ | |
2990a1fc AD |
1533 | void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, |
1534 | u32 *flags) | |
6cb2d4e4 HR |
1535 | { |
1536 | int i; | |
1537 | ||
1538 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1539 | if (!adev->ip_blocks[i].status.valid) | |
1540 | continue; | |
1541 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1542 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1543 | } | |
1544 | } | |
1545 | ||
e3ecdffa AD |
1546 | /** |
1547 | * amdgpu_device_ip_wait_for_idle - wait for idle | |
1548 | * | |
1549 | * @adev: amdgpu_device pointer | |
1550 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1551 | * | |
1552 | * Waits for the request hardware IP to be idle. | |
1553 | * Returns 0 for success or a negative error code on failure. | |
1554 | */ | |
2990a1fc AD |
1555 | int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, |
1556 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1557 | { |
1558 | int i, r; | |
1559 | ||
1560 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1561 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1562 | continue; |
a1255107 AD |
1563 | if (adev->ip_blocks[i].version->type == block_type) { |
1564 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1565 | if (r) |
1566 | return r; | |
1567 | break; | |
1568 | } | |
1569 | } | |
1570 | return 0; | |
1571 | ||
1572 | } | |
1573 | ||
e3ecdffa AD |
1574 | /** |
1575 | * amdgpu_device_ip_is_idle - is the hardware IP idle | |
1576 | * | |
1577 | * @adev: amdgpu_device pointer | |
1578 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1579 | * | |
1580 | * Check if the hardware IP is idle or not. | |
1581 | * Returns true if it the IP is idle, false if not. | |
1582 | */ | |
2990a1fc AD |
1583 | bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, |
1584 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1585 | { |
1586 | int i; | |
1587 | ||
1588 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1589 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1590 | continue; |
a1255107 AD |
1591 | if (adev->ip_blocks[i].version->type == block_type) |
1592 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1593 | } |
1594 | return true; | |
1595 | ||
1596 | } | |
1597 | ||
e3ecdffa AD |
1598 | /** |
1599 | * amdgpu_device_ip_get_ip_block - get a hw IP pointer | |
1600 | * | |
1601 | * @adev: amdgpu_device pointer | |
87e3f136 | 1602 | * @type: Type of hardware IP (SMU, GFX, UVD, etc.) |
e3ecdffa AD |
1603 | * |
1604 | * Returns a pointer to the hardware IP block structure | |
1605 | * if it exists for the asic, otherwise NULL. | |
1606 | */ | |
2990a1fc AD |
1607 | struct amdgpu_ip_block * |
1608 | amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, | |
1609 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1610 | { |
1611 | int i; | |
1612 | ||
1613 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1614 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1615 | return &adev->ip_blocks[i]; |
1616 | ||
1617 | return NULL; | |
1618 | } | |
1619 | ||
1620 | /** | |
2990a1fc | 1621 | * amdgpu_device_ip_block_version_cmp |
d38ceaf9 AD |
1622 | * |
1623 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1624 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1625 | * @major: major version |
1626 | * @minor: minor version | |
1627 | * | |
1628 | * return 0 if equal or greater | |
1629 | * return 1 if smaller or the ip_block doesn't exist | |
1630 | */ | |
2990a1fc AD |
1631 | int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, |
1632 | enum amd_ip_block_type type, | |
1633 | u32 major, u32 minor) | |
d38ceaf9 | 1634 | { |
2990a1fc | 1635 | struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); |
d38ceaf9 | 1636 | |
a1255107 AD |
1637 | if (ip_block && ((ip_block->version->major > major) || |
1638 | ((ip_block->version->major == major) && | |
1639 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1640 | return 0; |
1641 | ||
1642 | return 1; | |
1643 | } | |
1644 | ||
a1255107 | 1645 | /** |
2990a1fc | 1646 | * amdgpu_device_ip_block_add |
a1255107 AD |
1647 | * |
1648 | * @adev: amdgpu_device pointer | |
1649 | * @ip_block_version: pointer to the IP to add | |
1650 | * | |
1651 | * Adds the IP block driver information to the collection of IPs | |
1652 | * on the asic. | |
1653 | */ | |
2990a1fc AD |
1654 | int amdgpu_device_ip_block_add(struct amdgpu_device *adev, |
1655 | const struct amdgpu_ip_block_version *ip_block_version) | |
a1255107 AD |
1656 | { |
1657 | if (!ip_block_version) | |
1658 | return -EINVAL; | |
1659 | ||
e966a725 | 1660 | DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, |
a0bae357 HR |
1661 | ip_block_version->funcs->name); |
1662 | ||
a1255107 AD |
1663 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1664 | ||
1665 | return 0; | |
1666 | } | |
1667 | ||
e3ecdffa AD |
1668 | /** |
1669 | * amdgpu_device_enable_virtual_display - enable virtual display feature | |
1670 | * | |
1671 | * @adev: amdgpu_device pointer | |
1672 | * | |
1673 | * Enabled the virtual display feature if the user has enabled it via | |
1674 | * the module parameter virtual_display. This feature provides a virtual | |
1675 | * display hardware on headless boards or in virtualized environments. | |
1676 | * This function parses and validates the configuration string specified by | |
1677 | * the user and configues the virtual display configuration (number of | |
1678 | * virtual connectors, crtcs, etc.) specified. | |
1679 | */ | |
483ef985 | 1680 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1681 | { |
1682 | adev->enable_virtual_display = false; | |
1683 | ||
1684 | if (amdgpu_virtual_display) { | |
4a580877 | 1685 | struct drm_device *ddev = adev_to_drm(adev); |
9accf2fd | 1686 | const char *pci_address_name = pci_name(ddev->pdev); |
0f66356d | 1687 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1688 | |
1689 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1690 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1691 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1692 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1693 | if (!strcmp("all", pciaddname) |
1694 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1695 | long num_crtc; |
1696 | int res = -1; | |
1697 | ||
9accf2fd | 1698 | adev->enable_virtual_display = true; |
0f66356d ED |
1699 | |
1700 | if (pciaddname_tmp) | |
1701 | res = kstrtol(pciaddname_tmp, 10, | |
1702 | &num_crtc); | |
1703 | ||
1704 | if (!res) { | |
1705 | if (num_crtc < 1) | |
1706 | num_crtc = 1; | |
1707 | if (num_crtc > 6) | |
1708 | num_crtc = 6; | |
1709 | adev->mode_info.num_crtc = num_crtc; | |
1710 | } else { | |
1711 | adev->mode_info.num_crtc = 1; | |
1712 | } | |
9accf2fd ED |
1713 | break; |
1714 | } | |
1715 | } | |
1716 | ||
0f66356d ED |
1717 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1718 | amdgpu_virtual_display, pci_address_name, | |
1719 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1720 | |
1721 | kfree(pciaddstr); | |
1722 | } | |
1723 | } | |
1724 | ||
e3ecdffa AD |
1725 | /** |
1726 | * amdgpu_device_parse_gpu_info_fw - parse gpu info firmware | |
1727 | * | |
1728 | * @adev: amdgpu_device pointer | |
1729 | * | |
1730 | * Parses the asic configuration parameters specified in the gpu info | |
1731 | * firmware and makes them availale to the driver for use in configuring | |
1732 | * the asic. | |
1733 | * Returns 0 on success, -EINVAL on failure. | |
1734 | */ | |
e2a75f88 AD |
1735 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1736 | { | |
e2a75f88 | 1737 | const char *chip_name; |
c0a43457 | 1738 | char fw_name[40]; |
e2a75f88 AD |
1739 | int err; |
1740 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1741 | ||
ab4fe3e1 HR |
1742 | adev->firmware.gpu_info_fw = NULL; |
1743 | ||
72de33f8 | 1744 | if (adev->mman.discovery_bin) { |
258620d0 | 1745 | amdgpu_discovery_get_gfx_info(adev); |
cc375d8c TY |
1746 | |
1747 | /* | |
1748 | * FIXME: The bounding box is still needed by Navi12, so | |
1749 | * temporarily read it from gpu_info firmware. Should be droped | |
1750 | * when DAL no longer needs it. | |
1751 | */ | |
1752 | if (adev->asic_type != CHIP_NAVI12) | |
1753 | return 0; | |
258620d0 AD |
1754 | } |
1755 | ||
e2a75f88 | 1756 | switch (adev->asic_type) { |
e2a75f88 AD |
1757 | #ifdef CONFIG_DRM_AMDGPU_SI |
1758 | case CHIP_VERDE: | |
1759 | case CHIP_TAHITI: | |
1760 | case CHIP_PITCAIRN: | |
1761 | case CHIP_OLAND: | |
1762 | case CHIP_HAINAN: | |
1763 | #endif | |
1764 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
1765 | case CHIP_BONAIRE: | |
1766 | case CHIP_HAWAII: | |
1767 | case CHIP_KAVERI: | |
1768 | case CHIP_KABINI: | |
1769 | case CHIP_MULLINS: | |
1770 | #endif | |
da87c30b AD |
1771 | case CHIP_TOPAZ: |
1772 | case CHIP_TONGA: | |
1773 | case CHIP_FIJI: | |
1774 | case CHIP_POLARIS10: | |
1775 | case CHIP_POLARIS11: | |
1776 | case CHIP_POLARIS12: | |
1777 | case CHIP_VEGAM: | |
1778 | case CHIP_CARRIZO: | |
1779 | case CHIP_STONEY: | |
27c0bc71 | 1780 | case CHIP_VEGA20: |
84d244a3 JC |
1781 | case CHIP_SIENNA_CICHLID: |
1782 | case CHIP_NAVY_FLOUNDER: | |
eac88a5f | 1783 | case CHIP_DIMGREY_CAVEFISH: |
e2a75f88 AD |
1784 | default: |
1785 | return 0; | |
1786 | case CHIP_VEGA10: | |
1787 | chip_name = "vega10"; | |
1788 | break; | |
3f76dced AD |
1789 | case CHIP_VEGA12: |
1790 | chip_name = "vega12"; | |
1791 | break; | |
2d2e5e7e | 1792 | case CHIP_RAVEN: |
54f78a76 | 1793 | if (adev->apu_flags & AMD_APU_IS_RAVEN2) |
54c4d17e | 1794 | chip_name = "raven2"; |
54f78a76 | 1795 | else if (adev->apu_flags & AMD_APU_IS_PICASSO) |
741deade | 1796 | chip_name = "picasso"; |
54c4d17e FX |
1797 | else |
1798 | chip_name = "raven"; | |
2d2e5e7e | 1799 | break; |
65e60f6e LM |
1800 | case CHIP_ARCTURUS: |
1801 | chip_name = "arcturus"; | |
1802 | break; | |
b51a26a0 | 1803 | case CHIP_RENOIR: |
2e62f0b5 PL |
1804 | if (adev->apu_flags & AMD_APU_IS_RENOIR) |
1805 | chip_name = "renoir"; | |
1806 | else | |
1807 | chip_name = "green_sardine"; | |
b51a26a0 | 1808 | break; |
23c6268e HR |
1809 | case CHIP_NAVI10: |
1810 | chip_name = "navi10"; | |
1811 | break; | |
ed42cfe1 XY |
1812 | case CHIP_NAVI14: |
1813 | chip_name = "navi14"; | |
1814 | break; | |
42b325e5 XY |
1815 | case CHIP_NAVI12: |
1816 | chip_name = "navi12"; | |
1817 | break; | |
4e52a9f8 HR |
1818 | case CHIP_VANGOGH: |
1819 | chip_name = "vangogh"; | |
1820 | break; | |
e2a75f88 AD |
1821 | } |
1822 | ||
1823 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1824 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1825 | if (err) { |
1826 | dev_err(adev->dev, | |
1827 | "Failed to load gpu_info firmware \"%s\"\n", | |
1828 | fw_name); | |
1829 | goto out; | |
1830 | } | |
ab4fe3e1 | 1831 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1832 | if (err) { |
1833 | dev_err(adev->dev, | |
1834 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1835 | fw_name); | |
1836 | goto out; | |
1837 | } | |
1838 | ||
ab4fe3e1 | 1839 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
1840 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
1841 | ||
1842 | switch (hdr->version_major) { | |
1843 | case 1: | |
1844 | { | |
1845 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 1846 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
1847 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
1848 | ||
cc375d8c TY |
1849 | /* |
1850 | * Should be droped when DAL no longer needs it. | |
1851 | */ | |
1852 | if (adev->asic_type == CHIP_NAVI12) | |
ec51d3fa XY |
1853 | goto parse_soc_bounding_box; |
1854 | ||
b5ab16bf AD |
1855 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
1856 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
1857 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
1858 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 1859 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
1860 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
1861 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
1862 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
1863 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
1864 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 1865 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
1866 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
1867 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
1868 | adev->gfx.cu_info.max_waves_per_simd = |
1869 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
1870 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
1871 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
1872 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
48321c3d | 1873 | if (hdr->version_minor >= 1) { |
35c2e910 HZ |
1874 | const struct gpu_info_firmware_v1_1 *gpu_info_fw = |
1875 | (const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data + | |
1876 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1877 | adev->gfx.config.num_sc_per_sh = | |
1878 | le32_to_cpu(gpu_info_fw->num_sc_per_sh); | |
1879 | adev->gfx.config.num_packer_per_sc = | |
1880 | le32_to_cpu(gpu_info_fw->num_packer_per_sc); | |
1881 | } | |
ec51d3fa XY |
1882 | |
1883 | parse_soc_bounding_box: | |
ec51d3fa XY |
1884 | /* |
1885 | * soc bounding box info is not integrated in disocovery table, | |
258620d0 | 1886 | * we always need to parse it from gpu info firmware if needed. |
ec51d3fa | 1887 | */ |
48321c3d HW |
1888 | if (hdr->version_minor == 2) { |
1889 | const struct gpu_info_firmware_v1_2 *gpu_info_fw = | |
1890 | (const struct gpu_info_firmware_v1_2 *)(adev->firmware.gpu_info_fw->data + | |
1891 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1892 | adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box; | |
1893 | } | |
e2a75f88 AD |
1894 | break; |
1895 | } | |
1896 | default: | |
1897 | dev_err(adev->dev, | |
1898 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
1899 | err = -EINVAL; | |
1900 | goto out; | |
1901 | } | |
1902 | out: | |
e2a75f88 AD |
1903 | return err; |
1904 | } | |
1905 | ||
e3ecdffa AD |
1906 | /** |
1907 | * amdgpu_device_ip_early_init - run early init for hardware IPs | |
1908 | * | |
1909 | * @adev: amdgpu_device pointer | |
1910 | * | |
1911 | * Early initialization pass for hardware IPs. The hardware IPs that make | |
1912 | * up each asic are discovered each IP's early_init callback is run. This | |
1913 | * is the first stage in initializing the asic. | |
1914 | * Returns 0 on success, negative error code on failure. | |
1915 | */ | |
06ec9070 | 1916 | static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) |
d38ceaf9 | 1917 | { |
aaa36a97 | 1918 | int i, r; |
d38ceaf9 | 1919 | |
483ef985 | 1920 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 1921 | |
00a979f3 | 1922 | if (amdgpu_sriov_vf(adev)) { |
00a979f3 | 1923 | r = amdgpu_virt_request_full_gpu(adev, true); |
aaa36a97 AD |
1924 | if (r) |
1925 | return r; | |
00a979f3 WS |
1926 | } |
1927 | ||
d38ceaf9 | 1928 | switch (adev->asic_type) { |
33f34802 KW |
1929 | #ifdef CONFIG_DRM_AMDGPU_SI |
1930 | case CHIP_VERDE: | |
1931 | case CHIP_TAHITI: | |
1932 | case CHIP_PITCAIRN: | |
1933 | case CHIP_OLAND: | |
1934 | case CHIP_HAINAN: | |
295d0daf | 1935 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
1936 | r = si_set_ip_blocks(adev); |
1937 | if (r) | |
1938 | return r; | |
1939 | break; | |
1940 | #endif | |
a2e73f56 AD |
1941 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1942 | case CHIP_BONAIRE: | |
1943 | case CHIP_HAWAII: | |
1944 | case CHIP_KAVERI: | |
1945 | case CHIP_KABINI: | |
1946 | case CHIP_MULLINS: | |
e1ad2d53 | 1947 | if (adev->flags & AMD_IS_APU) |
a2e73f56 | 1948 | adev->family = AMDGPU_FAMILY_KV; |
e1ad2d53 AD |
1949 | else |
1950 | adev->family = AMDGPU_FAMILY_CI; | |
a2e73f56 AD |
1951 | |
1952 | r = cik_set_ip_blocks(adev); | |
1953 | if (r) | |
1954 | return r; | |
1955 | break; | |
1956 | #endif | |
da87c30b AD |
1957 | case CHIP_TOPAZ: |
1958 | case CHIP_TONGA: | |
1959 | case CHIP_FIJI: | |
1960 | case CHIP_POLARIS10: | |
1961 | case CHIP_POLARIS11: | |
1962 | case CHIP_POLARIS12: | |
1963 | case CHIP_VEGAM: | |
1964 | case CHIP_CARRIZO: | |
1965 | case CHIP_STONEY: | |
1966 | if (adev->flags & AMD_IS_APU) | |
1967 | adev->family = AMDGPU_FAMILY_CZ; | |
1968 | else | |
1969 | adev->family = AMDGPU_FAMILY_VI; | |
1970 | ||
1971 | r = vi_set_ip_blocks(adev); | |
1972 | if (r) | |
1973 | return r; | |
1974 | break; | |
e48a3cd9 AD |
1975 | case CHIP_VEGA10: |
1976 | case CHIP_VEGA12: | |
e4bd8170 | 1977 | case CHIP_VEGA20: |
e48a3cd9 | 1978 | case CHIP_RAVEN: |
61cf44c1 | 1979 | case CHIP_ARCTURUS: |
b51a26a0 | 1980 | case CHIP_RENOIR: |
70534d1e | 1981 | if (adev->flags & AMD_IS_APU) |
2ca8a5d2 CZ |
1982 | adev->family = AMDGPU_FAMILY_RV; |
1983 | else | |
1984 | adev->family = AMDGPU_FAMILY_AI; | |
460826e6 KW |
1985 | |
1986 | r = soc15_set_ip_blocks(adev); | |
1987 | if (r) | |
1988 | return r; | |
1989 | break; | |
0a5b8c7b | 1990 | case CHIP_NAVI10: |
7ecb5cd4 | 1991 | case CHIP_NAVI14: |
4808cf9c | 1992 | case CHIP_NAVI12: |
11e8aef5 | 1993 | case CHIP_SIENNA_CICHLID: |
41f446bf | 1994 | case CHIP_NAVY_FLOUNDER: |
144722fa | 1995 | case CHIP_DIMGREY_CAVEFISH: |
4e52a9f8 HR |
1996 | case CHIP_VANGOGH: |
1997 | if (adev->asic_type == CHIP_VANGOGH) | |
1998 | adev->family = AMDGPU_FAMILY_VGH; | |
1999 | else | |
2000 | adev->family = AMDGPU_FAMILY_NV; | |
0a5b8c7b HR |
2001 | |
2002 | r = nv_set_ip_blocks(adev); | |
2003 | if (r) | |
2004 | return r; | |
2005 | break; | |
d38ceaf9 AD |
2006 | default: |
2007 | /* FIXME: not supported yet */ | |
2008 | return -EINVAL; | |
2009 | } | |
2010 | ||
1884734a | 2011 | amdgpu_amdkfd_device_probe(adev); |
2012 | ||
3b94fb10 | 2013 | adev->pm.pp_feature = amdgpu_pp_feature_mask; |
a35ad98b | 2014 | if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) |
00544006 | 2015 | adev->pm.pp_feature &= ~PP_GFXOFF_MASK; |
00f54b97 | 2016 | |
d38ceaf9 AD |
2017 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2018 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
2019 | DRM_ERROR("disabled ip block: %d <%s>\n", |
2020 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 2021 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 2022 | } else { |
a1255107 AD |
2023 | if (adev->ip_blocks[i].version->funcs->early_init) { |
2024 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 2025 | if (r == -ENOENT) { |
a1255107 | 2026 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 2027 | } else if (r) { |
a1255107 AD |
2028 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
2029 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2030 | return r; |
2c1a2784 | 2031 | } else { |
a1255107 | 2032 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 2033 | } |
974e6b64 | 2034 | } else { |
a1255107 | 2035 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 2036 | } |
d38ceaf9 | 2037 | } |
21a249ca AD |
2038 | /* get the vbios after the asic_funcs are set up */ |
2039 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { | |
6e29c227 AD |
2040 | r = amdgpu_device_parse_gpu_info_fw(adev); |
2041 | if (r) | |
2042 | return r; | |
2043 | ||
21a249ca AD |
2044 | /* Read BIOS */ |
2045 | if (!amdgpu_get_bios(adev)) | |
2046 | return -EINVAL; | |
2047 | ||
2048 | r = amdgpu_atombios_init(adev); | |
2049 | if (r) { | |
2050 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
2051 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
2052 | return r; | |
2053 | } | |
2054 | } | |
d38ceaf9 AD |
2055 | } |
2056 | ||
395d1fb9 NH |
2057 | adev->cg_flags &= amdgpu_cg_mask; |
2058 | adev->pg_flags &= amdgpu_pg_mask; | |
2059 | ||
d38ceaf9 AD |
2060 | return 0; |
2061 | } | |
2062 | ||
0a4f2520 RZ |
2063 | static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) |
2064 | { | |
2065 | int i, r; | |
2066 | ||
2067 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2068 | if (!adev->ip_blocks[i].status.sw) | |
2069 | continue; | |
2070 | if (adev->ip_blocks[i].status.hw) | |
2071 | continue; | |
2072 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2d11fd3f | 2073 | (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || |
0a4f2520 RZ |
2074 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { |
2075 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2076 | if (r) { | |
2077 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2078 | adev->ip_blocks[i].version->funcs->name, r); | |
2079 | return r; | |
2080 | } | |
2081 | adev->ip_blocks[i].status.hw = true; | |
2082 | } | |
2083 | } | |
2084 | ||
2085 | return 0; | |
2086 | } | |
2087 | ||
2088 | static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) | |
2089 | { | |
2090 | int i, r; | |
2091 | ||
2092 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2093 | if (!adev->ip_blocks[i].status.sw) | |
2094 | continue; | |
2095 | if (adev->ip_blocks[i].status.hw) | |
2096 | continue; | |
2097 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2098 | if (r) { | |
2099 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2100 | adev->ip_blocks[i].version->funcs->name, r); | |
2101 | return r; | |
2102 | } | |
2103 | adev->ip_blocks[i].status.hw = true; | |
2104 | } | |
2105 | ||
2106 | return 0; | |
2107 | } | |
2108 | ||
7a3e0bb2 RZ |
2109 | static int amdgpu_device_fw_loading(struct amdgpu_device *adev) |
2110 | { | |
2111 | int r = 0; | |
2112 | int i; | |
80f41f84 | 2113 | uint32_t smu_version; |
7a3e0bb2 RZ |
2114 | |
2115 | if (adev->asic_type >= CHIP_VEGA10) { | |
2116 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 ML |
2117 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) |
2118 | continue; | |
2119 | ||
2120 | /* no need to do the fw loading again if already done*/ | |
2121 | if (adev->ip_blocks[i].status.hw == true) | |
2122 | break; | |
2123 | ||
53b3f8f4 | 2124 | if (amdgpu_in_reset(adev) || adev->in_suspend) { |
482f0e53 ML |
2125 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2126 | if (r) { | |
2127 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
7a3e0bb2 | 2128 | adev->ip_blocks[i].version->funcs->name, r); |
482f0e53 ML |
2129 | return r; |
2130 | } | |
2131 | } else { | |
2132 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2133 | if (r) { | |
2134 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2135 | adev->ip_blocks[i].version->funcs->name, r); | |
2136 | return r; | |
7a3e0bb2 | 2137 | } |
7a3e0bb2 | 2138 | } |
482f0e53 ML |
2139 | |
2140 | adev->ip_blocks[i].status.hw = true; | |
2141 | break; | |
7a3e0bb2 RZ |
2142 | } |
2143 | } | |
482f0e53 | 2144 | |
8973d9ec ED |
2145 | if (!amdgpu_sriov_vf(adev) || adev->asic_type == CHIP_TONGA) |
2146 | r = amdgpu_pm_load_smu_firmware(adev, &smu_version); | |
7a3e0bb2 | 2147 | |
80f41f84 | 2148 | return r; |
7a3e0bb2 RZ |
2149 | } |
2150 | ||
e3ecdffa AD |
2151 | /** |
2152 | * amdgpu_device_ip_init - run init for hardware IPs | |
2153 | * | |
2154 | * @adev: amdgpu_device pointer | |
2155 | * | |
2156 | * Main initialization pass for hardware IPs. The list of all the hardware | |
2157 | * IPs that make up the asic is walked and the sw_init and hw_init callbacks | |
2158 | * are run. sw_init initializes the software state associated with each IP | |
2159 | * and hw_init initializes the hardware associated with each IP. | |
2160 | * Returns 0 on success, negative error code on failure. | |
2161 | */ | |
06ec9070 | 2162 | static int amdgpu_device_ip_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
2163 | { |
2164 | int i, r; | |
2165 | ||
c030f2e4 | 2166 | r = amdgpu_ras_init(adev); |
2167 | if (r) | |
2168 | return r; | |
2169 | ||
d38ceaf9 | 2170 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 2171 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2172 | continue; |
a1255107 | 2173 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 2174 | if (r) { |
a1255107 AD |
2175 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
2176 | adev->ip_blocks[i].version->funcs->name, r); | |
72d3f592 | 2177 | goto init_failed; |
2c1a2784 | 2178 | } |
a1255107 | 2179 | adev->ip_blocks[i].status.sw = true; |
bfca0289 | 2180 | |
d38ceaf9 | 2181 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 2182 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
06ec9070 | 2183 | r = amdgpu_device_vram_scratch_init(adev); |
2c1a2784 AD |
2184 | if (r) { |
2185 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
72d3f592 | 2186 | goto init_failed; |
2c1a2784 | 2187 | } |
a1255107 | 2188 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
2189 | if (r) { |
2190 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
72d3f592 | 2191 | goto init_failed; |
2c1a2784 | 2192 | } |
06ec9070 | 2193 | r = amdgpu_device_wb_init(adev); |
2c1a2784 | 2194 | if (r) { |
06ec9070 | 2195 | DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); |
72d3f592 | 2196 | goto init_failed; |
2c1a2784 | 2197 | } |
a1255107 | 2198 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
2199 | |
2200 | /* right after GMC hw init, we create CSA */ | |
f92d5c61 | 2201 | if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) { |
1e256e27 RZ |
2202 | r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, |
2203 | AMDGPU_GEM_DOMAIN_VRAM, | |
2204 | AMDGPU_CSA_SIZE); | |
2493664f ML |
2205 | if (r) { |
2206 | DRM_ERROR("allocate CSA failed %d\n", r); | |
72d3f592 | 2207 | goto init_failed; |
2493664f ML |
2208 | } |
2209 | } | |
d38ceaf9 AD |
2210 | } |
2211 | } | |
2212 | ||
c9ffa427 YT |
2213 | if (amdgpu_sriov_vf(adev)) |
2214 | amdgpu_virt_init_data_exchange(adev); | |
2215 | ||
533aed27 AG |
2216 | r = amdgpu_ib_pool_init(adev); |
2217 | if (r) { | |
2218 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
2219 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); | |
2220 | goto init_failed; | |
2221 | } | |
2222 | ||
c8963ea4 RZ |
2223 | r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/ |
2224 | if (r) | |
72d3f592 | 2225 | goto init_failed; |
0a4f2520 RZ |
2226 | |
2227 | r = amdgpu_device_ip_hw_init_phase1(adev); | |
2228 | if (r) | |
72d3f592 | 2229 | goto init_failed; |
0a4f2520 | 2230 | |
7a3e0bb2 RZ |
2231 | r = amdgpu_device_fw_loading(adev); |
2232 | if (r) | |
72d3f592 | 2233 | goto init_failed; |
7a3e0bb2 | 2234 | |
0a4f2520 RZ |
2235 | r = amdgpu_device_ip_hw_init_phase2(adev); |
2236 | if (r) | |
72d3f592 | 2237 | goto init_failed; |
d38ceaf9 | 2238 | |
121a2bc6 AG |
2239 | /* |
2240 | * retired pages will be loaded from eeprom and reserved here, | |
2241 | * it should be called after amdgpu_device_ip_hw_init_phase2 since | |
2242 | * for some ASICs the RAS EEPROM code relies on SMU fully functioning | |
2243 | * for I2C communication which only true at this point. | |
b82e65a9 GC |
2244 | * |
2245 | * amdgpu_ras_recovery_init may fail, but the upper only cares the | |
2246 | * failure from bad gpu situation and stop amdgpu init process | |
2247 | * accordingly. For other failed cases, it will still release all | |
2248 | * the resource and print error message, rather than returning one | |
2249 | * negative value to upper level. | |
121a2bc6 AG |
2250 | * |
2251 | * Note: theoretically, this should be called before all vram allocations | |
2252 | * to protect retired page from abusing | |
2253 | */ | |
b82e65a9 GC |
2254 | r = amdgpu_ras_recovery_init(adev); |
2255 | if (r) | |
2256 | goto init_failed; | |
121a2bc6 | 2257 | |
3e2e2ab5 HZ |
2258 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2259 | amdgpu_xgmi_add_device(adev); | |
1884734a | 2260 | amdgpu_amdkfd_device_init(adev); |
c6332b97 | 2261 | |
bd607166 KR |
2262 | amdgpu_fru_get_product_info(adev); |
2263 | ||
72d3f592 | 2264 | init_failed: |
c9ffa427 | 2265 | if (amdgpu_sriov_vf(adev)) |
c6332b97 | 2266 | amdgpu_virt_release_full_gpu(adev, true); |
2267 | ||
72d3f592 | 2268 | return r; |
d38ceaf9 AD |
2269 | } |
2270 | ||
e3ecdffa AD |
2271 | /** |
2272 | * amdgpu_device_fill_reset_magic - writes reset magic to gart pointer | |
2273 | * | |
2274 | * @adev: amdgpu_device pointer | |
2275 | * | |
2276 | * Writes a reset magic value to the gart pointer in VRAM. The driver calls | |
2277 | * this function before a GPU reset. If the value is retained after a | |
2278 | * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. | |
2279 | */ | |
06ec9070 | 2280 | static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) |
0c49e0b8 CZ |
2281 | { |
2282 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
2283 | } | |
2284 | ||
e3ecdffa AD |
2285 | /** |
2286 | * amdgpu_device_check_vram_lost - check if vram is valid | |
2287 | * | |
2288 | * @adev: amdgpu_device pointer | |
2289 | * | |
2290 | * Checks the reset magic value written to the gart pointer in VRAM. | |
2291 | * The driver calls this after a GPU reset to see if the contents of | |
2292 | * VRAM is lost or now. | |
2293 | * returns true if vram is lost, false if not. | |
2294 | */ | |
06ec9070 | 2295 | static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) |
0c49e0b8 | 2296 | { |
dadce777 EQ |
2297 | if (memcmp(adev->gart.ptr, adev->reset_magic, |
2298 | AMDGPU_RESET_MAGIC_NUM)) | |
2299 | return true; | |
2300 | ||
53b3f8f4 | 2301 | if (!amdgpu_in_reset(adev)) |
dadce777 EQ |
2302 | return false; |
2303 | ||
2304 | /* | |
2305 | * For all ASICs with baco/mode1 reset, the VRAM is | |
2306 | * always assumed to be lost. | |
2307 | */ | |
2308 | switch (amdgpu_asic_reset_method(adev)) { | |
2309 | case AMD_RESET_METHOD_BACO: | |
2310 | case AMD_RESET_METHOD_MODE1: | |
2311 | return true; | |
2312 | default: | |
2313 | return false; | |
2314 | } | |
0c49e0b8 CZ |
2315 | } |
2316 | ||
e3ecdffa | 2317 | /** |
1112a46b | 2318 | * amdgpu_device_set_cg_state - set clockgating for amdgpu device |
e3ecdffa AD |
2319 | * |
2320 | * @adev: amdgpu_device pointer | |
b8b72130 | 2321 | * @state: clockgating state (gate or ungate) |
e3ecdffa | 2322 | * |
e3ecdffa | 2323 | * The list of all the hardware IPs that make up the asic is walked and the |
1112a46b RZ |
2324 | * set_clockgating_state callbacks are run. |
2325 | * Late initialization pass enabling clockgating for hardware IPs. | |
2326 | * Fini or suspend, pass disabling clockgating for hardware IPs. | |
e3ecdffa AD |
2327 | * Returns 0 on success, negative error code on failure. |
2328 | */ | |
fdd34271 | 2329 | |
1112a46b RZ |
2330 | static int amdgpu_device_set_cg_state(struct amdgpu_device *adev, |
2331 | enum amd_clockgating_state state) | |
d38ceaf9 | 2332 | { |
1112a46b | 2333 | int i, j, r; |
d38ceaf9 | 2334 | |
4a2ba394 SL |
2335 | if (amdgpu_emu_mode == 1) |
2336 | return 0; | |
2337 | ||
1112a46b RZ |
2338 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2339 | i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2340 | if (!adev->ip_blocks[i].status.late_initialized) |
d38ceaf9 | 2341 | continue; |
4a446d55 | 2342 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 | 2343 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
57716327 | 2344 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && |
34319b32 | 2345 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && |
52f2e779 | 2346 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
57716327 | 2347 | adev->ip_blocks[i].version->funcs->set_clockgating_state) { |
4a446d55 | 2348 | /* enable clockgating to save power */ |
a1255107 | 2349 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1112a46b | 2350 | state); |
4a446d55 AD |
2351 | if (r) { |
2352 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 2353 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
2354 | return r; |
2355 | } | |
b0b00ff1 | 2356 | } |
d38ceaf9 | 2357 | } |
06b18f61 | 2358 | |
c9f96fd5 RZ |
2359 | return 0; |
2360 | } | |
2361 | ||
1112a46b | 2362 | static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_powergating_state state) |
c9f96fd5 | 2363 | { |
1112a46b | 2364 | int i, j, r; |
06b18f61 | 2365 | |
c9f96fd5 RZ |
2366 | if (amdgpu_emu_mode == 1) |
2367 | return 0; | |
2368 | ||
1112a46b RZ |
2369 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2370 | i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2371 | if (!adev->ip_blocks[i].status.late_initialized) |
c9f96fd5 RZ |
2372 | continue; |
2373 | /* skip CG for VCE/UVD, it's handled specially */ | |
2374 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
2375 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && | |
2376 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && | |
52f2e779 | 2377 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
c9f96fd5 RZ |
2378 | adev->ip_blocks[i].version->funcs->set_powergating_state) { |
2379 | /* enable powergating to save power */ | |
2380 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1112a46b | 2381 | state); |
c9f96fd5 RZ |
2382 | if (r) { |
2383 | DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", | |
2384 | adev->ip_blocks[i].version->funcs->name, r); | |
2385 | return r; | |
2386 | } | |
2387 | } | |
2388 | } | |
2dc80b00 S |
2389 | return 0; |
2390 | } | |
2391 | ||
beff74bc AD |
2392 | static int amdgpu_device_enable_mgpu_fan_boost(void) |
2393 | { | |
2394 | struct amdgpu_gpu_instance *gpu_ins; | |
2395 | struct amdgpu_device *adev; | |
2396 | int i, ret = 0; | |
2397 | ||
2398 | mutex_lock(&mgpu_info.mutex); | |
2399 | ||
2400 | /* | |
2401 | * MGPU fan boost feature should be enabled | |
2402 | * only when there are two or more dGPUs in | |
2403 | * the system | |
2404 | */ | |
2405 | if (mgpu_info.num_dgpu < 2) | |
2406 | goto out; | |
2407 | ||
2408 | for (i = 0; i < mgpu_info.num_dgpu; i++) { | |
2409 | gpu_ins = &(mgpu_info.gpu_ins[i]); | |
2410 | adev = gpu_ins->adev; | |
2411 | if (!(adev->flags & AMD_IS_APU) && | |
f10bb940 | 2412 | !gpu_ins->mgpu_fan_enabled) { |
beff74bc AD |
2413 | ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); |
2414 | if (ret) | |
2415 | break; | |
2416 | ||
2417 | gpu_ins->mgpu_fan_enabled = 1; | |
2418 | } | |
2419 | } | |
2420 | ||
2421 | out: | |
2422 | mutex_unlock(&mgpu_info.mutex); | |
2423 | ||
2424 | return ret; | |
2425 | } | |
2426 | ||
e3ecdffa AD |
2427 | /** |
2428 | * amdgpu_device_ip_late_init - run late init for hardware IPs | |
2429 | * | |
2430 | * @adev: amdgpu_device pointer | |
2431 | * | |
2432 | * Late initialization pass for hardware IPs. The list of all the hardware | |
2433 | * IPs that make up the asic is walked and the late_init callbacks are run. | |
2434 | * late_init covers any special initialization that an IP requires | |
2435 | * after all of the have been initialized or something that needs to happen | |
2436 | * late in the init process. | |
2437 | * Returns 0 on success, negative error code on failure. | |
2438 | */ | |
06ec9070 | 2439 | static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) |
2dc80b00 | 2440 | { |
60599a03 | 2441 | struct amdgpu_gpu_instance *gpu_instance; |
2dc80b00 S |
2442 | int i = 0, r; |
2443 | ||
2444 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
73f847db | 2445 | if (!adev->ip_blocks[i].status.hw) |
2dc80b00 S |
2446 | continue; |
2447 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
2448 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
2449 | if (r) { | |
2450 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
2451 | adev->ip_blocks[i].version->funcs->name, r); | |
2452 | return r; | |
2453 | } | |
2dc80b00 | 2454 | } |
73f847db | 2455 | adev->ip_blocks[i].status.late_initialized = true; |
2dc80b00 S |
2456 | } |
2457 | ||
a891d239 DL |
2458 | amdgpu_ras_set_error_query_ready(adev, true); |
2459 | ||
1112a46b RZ |
2460 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); |
2461 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); | |
916ac57f | 2462 | |
06ec9070 | 2463 | amdgpu_device_fill_reset_magic(adev); |
d38ceaf9 | 2464 | |
beff74bc AD |
2465 | r = amdgpu_device_enable_mgpu_fan_boost(); |
2466 | if (r) | |
2467 | DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); | |
2468 | ||
60599a03 EQ |
2469 | |
2470 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
2471 | mutex_lock(&mgpu_info.mutex); | |
2472 | ||
2473 | /* | |
2474 | * Reset device p-state to low as this was booted with high. | |
2475 | * | |
2476 | * This should be performed only after all devices from the same | |
2477 | * hive get initialized. | |
2478 | * | |
2479 | * However, it's unknown how many device in the hive in advance. | |
2480 | * As this is counted one by one during devices initializations. | |
2481 | * | |
2482 | * So, we wait for all XGMI interlinked devices initialized. | |
2483 | * This may bring some delays as those devices may come from | |
2484 | * different hives. But that should be OK. | |
2485 | */ | |
2486 | if (mgpu_info.num_dgpu == adev->gmc.xgmi.num_physical_nodes) { | |
2487 | for (i = 0; i < mgpu_info.num_gpu; i++) { | |
2488 | gpu_instance = &(mgpu_info.gpu_ins[i]); | |
2489 | if (gpu_instance->adev->flags & AMD_IS_APU) | |
2490 | continue; | |
2491 | ||
d84a430d JK |
2492 | r = amdgpu_xgmi_set_pstate(gpu_instance->adev, |
2493 | AMDGPU_XGMI_PSTATE_MIN); | |
60599a03 EQ |
2494 | if (r) { |
2495 | DRM_ERROR("pstate setting failed (%d).\n", r); | |
2496 | break; | |
2497 | } | |
2498 | } | |
2499 | } | |
2500 | ||
2501 | mutex_unlock(&mgpu_info.mutex); | |
2502 | } | |
2503 | ||
d38ceaf9 AD |
2504 | return 0; |
2505 | } | |
2506 | ||
e3ecdffa AD |
2507 | /** |
2508 | * amdgpu_device_ip_fini - run fini for hardware IPs | |
2509 | * | |
2510 | * @adev: amdgpu_device pointer | |
2511 | * | |
2512 | * Main teardown pass for hardware IPs. The list of all the hardware | |
2513 | * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks | |
2514 | * are run. hw_fini tears down the hardware associated with each IP | |
2515 | * and sw_fini tears down any software state associated with each IP. | |
2516 | * Returns 0 on success, negative error code on failure. | |
2517 | */ | |
06ec9070 | 2518 | static int amdgpu_device_ip_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
2519 | { |
2520 | int i, r; | |
2521 | ||
5278a159 SY |
2522 | if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) |
2523 | amdgpu_virt_release_ras_err_handler_data(adev); | |
2524 | ||
c030f2e4 | 2525 | amdgpu_ras_pre_fini(adev); |
2526 | ||
a82400b5 AG |
2527 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2528 | amdgpu_xgmi_remove_device(adev); | |
2529 | ||
1884734a | 2530 | amdgpu_amdkfd_device_fini(adev); |
05df1f01 RZ |
2531 | |
2532 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); | |
fdd34271 RZ |
2533 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
2534 | ||
3e96dbfd AD |
2535 | /* need to disable SMC first */ |
2536 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2537 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 2538 | continue; |
fdd34271 | 2539 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 | 2540 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
2541 | /* XXX handle errors */ |
2542 | if (r) { | |
2543 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 2544 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 2545 | } |
a1255107 | 2546 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
2547 | break; |
2548 | } | |
2549 | } | |
2550 | ||
d38ceaf9 | 2551 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2552 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2553 | continue; |
8201a67a | 2554 | |
a1255107 | 2555 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 2556 | /* XXX handle errors */ |
2c1a2784 | 2557 | if (r) { |
a1255107 AD |
2558 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
2559 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2560 | } |
8201a67a | 2561 | |
a1255107 | 2562 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2563 | } |
2564 | ||
9950cda2 | 2565 | |
d38ceaf9 | 2566 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2567 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 2568 | continue; |
c12aba3a ML |
2569 | |
2570 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
c8963ea4 | 2571 | amdgpu_ucode_free_bo(adev); |
1e256e27 | 2572 | amdgpu_free_static_csa(&adev->virt.csa_obj); |
c12aba3a ML |
2573 | amdgpu_device_wb_fini(adev); |
2574 | amdgpu_device_vram_scratch_fini(adev); | |
533aed27 | 2575 | amdgpu_ib_pool_fini(adev); |
c12aba3a ML |
2576 | } |
2577 | ||
a1255107 | 2578 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 2579 | /* XXX handle errors */ |
2c1a2784 | 2580 | if (r) { |
a1255107 AD |
2581 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
2582 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2583 | } |
a1255107 AD |
2584 | adev->ip_blocks[i].status.sw = false; |
2585 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
2586 | } |
2587 | ||
a6dcfd9c | 2588 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2589 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 2590 | continue; |
a1255107 AD |
2591 | if (adev->ip_blocks[i].version->funcs->late_fini) |
2592 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
2593 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
2594 | } |
2595 | ||
c030f2e4 | 2596 | amdgpu_ras_fini(adev); |
2597 | ||
030308fc | 2598 | if (amdgpu_sriov_vf(adev)) |
24136135 ML |
2599 | if (amdgpu_virt_release_full_gpu(adev, false)) |
2600 | DRM_ERROR("failed to release exclusive mode on fini\n"); | |
2493664f | 2601 | |
d38ceaf9 AD |
2602 | return 0; |
2603 | } | |
2604 | ||
e3ecdffa | 2605 | /** |
beff74bc | 2606 | * amdgpu_device_delayed_init_work_handler - work handler for IB tests |
e3ecdffa | 2607 | * |
1112a46b | 2608 | * @work: work_struct. |
e3ecdffa | 2609 | */ |
beff74bc | 2610 | static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) |
2dc80b00 S |
2611 | { |
2612 | struct amdgpu_device *adev = | |
beff74bc | 2613 | container_of(work, struct amdgpu_device, delayed_init_work.work); |
916ac57f RZ |
2614 | int r; |
2615 | ||
2616 | r = amdgpu_ib_ring_tests(adev); | |
2617 | if (r) | |
2618 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2dc80b00 S |
2619 | } |
2620 | ||
1e317b99 RZ |
2621 | static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |
2622 | { | |
2623 | struct amdgpu_device *adev = | |
2624 | container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); | |
2625 | ||
2626 | mutex_lock(&adev->gfx.gfx_off_mutex); | |
2627 | if (!adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) { | |
2628 | if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) | |
2629 | adev->gfx.gfx_off_state = true; | |
2630 | } | |
2631 | mutex_unlock(&adev->gfx.gfx_off_mutex); | |
2632 | } | |
2633 | ||
e3ecdffa | 2634 | /** |
e7854a03 | 2635 | * amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1) |
e3ecdffa AD |
2636 | * |
2637 | * @adev: amdgpu_device pointer | |
2638 | * | |
2639 | * Main suspend function for hardware IPs. The list of all the hardware | |
2640 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2641 | * suspend callbacks are run. suspend puts the hardware and software state | |
2642 | * in each IP into a state suitable for suspend. | |
2643 | * Returns 0 on success, negative error code on failure. | |
2644 | */ | |
e7854a03 AD |
2645 | static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) |
2646 | { | |
2647 | int i, r; | |
2648 | ||
ced1ba97 PL |
2649 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
2650 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); | |
05df1f01 | 2651 | |
e7854a03 AD |
2652 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
2653 | if (!adev->ip_blocks[i].status.valid) | |
2654 | continue; | |
2b9f7848 | 2655 | |
e7854a03 | 2656 | /* displays are handled separately */ |
2b9f7848 ND |
2657 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE) |
2658 | continue; | |
2659 | ||
2660 | /* XXX handle errors */ | |
2661 | r = adev->ip_blocks[i].version->funcs->suspend(adev); | |
2662 | /* XXX handle errors */ | |
2663 | if (r) { | |
2664 | DRM_ERROR("suspend of IP block <%s> failed %d\n", | |
2665 | adev->ip_blocks[i].version->funcs->name, r); | |
2666 | return r; | |
e7854a03 | 2667 | } |
2b9f7848 ND |
2668 | |
2669 | adev->ip_blocks[i].status.hw = false; | |
e7854a03 AD |
2670 | } |
2671 | ||
e7854a03 AD |
2672 | return 0; |
2673 | } | |
2674 | ||
2675 | /** | |
2676 | * amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2) | |
2677 | * | |
2678 | * @adev: amdgpu_device pointer | |
2679 | * | |
2680 | * Main suspend function for hardware IPs. The list of all the hardware | |
2681 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2682 | * suspend callbacks are run. suspend puts the hardware and software state | |
2683 | * in each IP into a state suitable for suspend. | |
2684 | * Returns 0 on success, negative error code on failure. | |
2685 | */ | |
2686 | static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) | |
d38ceaf9 AD |
2687 | { |
2688 | int i, r; | |
2689 | ||
2690 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
a1255107 | 2691 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2692 | continue; |
e7854a03 AD |
2693 | /* displays are handled in phase1 */ |
2694 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) | |
2695 | continue; | |
bff77e86 LM |
2696 | /* PSP lost connection when err_event_athub occurs */ |
2697 | if (amdgpu_ras_intr_triggered() && | |
2698 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
2699 | adev->ip_blocks[i].status.hw = false; | |
2700 | continue; | |
2701 | } | |
d38ceaf9 | 2702 | /* XXX handle errors */ |
a1255107 | 2703 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 2704 | /* XXX handle errors */ |
2c1a2784 | 2705 | if (r) { |
a1255107 AD |
2706 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
2707 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2708 | } |
876923fb | 2709 | adev->ip_blocks[i].status.hw = false; |
a3a09142 | 2710 | /* handle putting the SMC in the appropriate state */ |
86b93fd6 JZ |
2711 | if(!amdgpu_sriov_vf(adev)){ |
2712 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { | |
2713 | r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); | |
2714 | if (r) { | |
2715 | DRM_ERROR("SMC failed to set mp1 state %d, %d\n", | |
2716 | adev->mp1_state, r); | |
2717 | return r; | |
2718 | } | |
a3a09142 AD |
2719 | } |
2720 | } | |
b5507c7e | 2721 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2722 | } |
2723 | ||
2724 | return 0; | |
2725 | } | |
2726 | ||
e7854a03 AD |
2727 | /** |
2728 | * amdgpu_device_ip_suspend - run suspend for hardware IPs | |
2729 | * | |
2730 | * @adev: amdgpu_device pointer | |
2731 | * | |
2732 | * Main suspend function for hardware IPs. The list of all the hardware | |
2733 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2734 | * suspend callbacks are run. suspend puts the hardware and software state | |
2735 | * in each IP into a state suitable for suspend. | |
2736 | * Returns 0 on success, negative error code on failure. | |
2737 | */ | |
2738 | int amdgpu_device_ip_suspend(struct amdgpu_device *adev) | |
2739 | { | |
2740 | int r; | |
2741 | ||
e7819644 YT |
2742 | if (amdgpu_sriov_vf(adev)) |
2743 | amdgpu_virt_request_full_gpu(adev, false); | |
2744 | ||
e7854a03 AD |
2745 | r = amdgpu_device_ip_suspend_phase1(adev); |
2746 | if (r) | |
2747 | return r; | |
2748 | r = amdgpu_device_ip_suspend_phase2(adev); | |
2749 | ||
e7819644 YT |
2750 | if (amdgpu_sriov_vf(adev)) |
2751 | amdgpu_virt_release_full_gpu(adev, false); | |
2752 | ||
e7854a03 AD |
2753 | return r; |
2754 | } | |
2755 | ||
06ec9070 | 2756 | static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2757 | { |
2758 | int i, r; | |
2759 | ||
2cb681b6 ML |
2760 | static enum amd_ip_block_type ip_order[] = { |
2761 | AMD_IP_BLOCK_TYPE_GMC, | |
2762 | AMD_IP_BLOCK_TYPE_COMMON, | |
39186aef | 2763 | AMD_IP_BLOCK_TYPE_PSP, |
2cb681b6 ML |
2764 | AMD_IP_BLOCK_TYPE_IH, |
2765 | }; | |
a90ad3c2 | 2766 | |
2cb681b6 ML |
2767 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2768 | int j; | |
2769 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2770 | |
4cd2a96d J |
2771 | block = &adev->ip_blocks[i]; |
2772 | block->status.hw = false; | |
2cb681b6 | 2773 | |
4cd2a96d | 2774 | for (j = 0; j < ARRAY_SIZE(ip_order); j++) { |
2cb681b6 | 2775 | |
4cd2a96d | 2776 | if (block->version->type != ip_order[j] || |
2cb681b6 ML |
2777 | !block->status.valid) |
2778 | continue; | |
2779 | ||
2780 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 2781 | DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2782 | if (r) |
2783 | return r; | |
482f0e53 | 2784 | block->status.hw = true; |
a90ad3c2 ML |
2785 | } |
2786 | } | |
2787 | ||
2788 | return 0; | |
2789 | } | |
2790 | ||
06ec9070 | 2791 | static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2792 | { |
2793 | int i, r; | |
2794 | ||
2cb681b6 ML |
2795 | static enum amd_ip_block_type ip_order[] = { |
2796 | AMD_IP_BLOCK_TYPE_SMC, | |
2797 | AMD_IP_BLOCK_TYPE_DCE, | |
2798 | AMD_IP_BLOCK_TYPE_GFX, | |
2799 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c | 2800 | AMD_IP_BLOCK_TYPE_UVD, |
d83c7a07 JJ |
2801 | AMD_IP_BLOCK_TYPE_VCE, |
2802 | AMD_IP_BLOCK_TYPE_VCN | |
2cb681b6 | 2803 | }; |
a90ad3c2 | 2804 | |
2cb681b6 ML |
2805 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2806 | int j; | |
2807 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2808 | |
2cb681b6 ML |
2809 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2810 | block = &adev->ip_blocks[j]; | |
2811 | ||
2812 | if (block->version->type != ip_order[i] || | |
482f0e53 ML |
2813 | !block->status.valid || |
2814 | block->status.hw) | |
2cb681b6 ML |
2815 | continue; |
2816 | ||
895bd048 JZ |
2817 | if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) |
2818 | r = block->version->funcs->resume(adev); | |
2819 | else | |
2820 | r = block->version->funcs->hw_init(adev); | |
2821 | ||
0aaeefcc | 2822 | DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2823 | if (r) |
2824 | return r; | |
482f0e53 | 2825 | block->status.hw = true; |
a90ad3c2 ML |
2826 | } |
2827 | } | |
2828 | ||
2829 | return 0; | |
2830 | } | |
2831 | ||
e3ecdffa AD |
2832 | /** |
2833 | * amdgpu_device_ip_resume_phase1 - run resume for hardware IPs | |
2834 | * | |
2835 | * @adev: amdgpu_device pointer | |
2836 | * | |
2837 | * First resume function for hardware IPs. The list of all the hardware | |
2838 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2839 | * COMMON, GMC, and IH. resume puts the hardware into a functional state | |
2840 | * after a suspend and updates the software state as necessary. This | |
2841 | * function is also used for restoring the GPU after a GPU reset. | |
2842 | * Returns 0 on success, negative error code on failure. | |
2843 | */ | |
06ec9070 | 2844 | static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
2845 | { |
2846 | int i, r; | |
2847 | ||
a90ad3c2 | 2848 | for (i = 0; i < adev->num_ip_blocks; i++) { |
482f0e53 | 2849 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
a90ad3c2 | 2850 | continue; |
a90ad3c2 | 2851 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa AD |
2852 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
2853 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { | |
482f0e53 | 2854 | |
fcf0649f CZ |
2855 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2856 | if (r) { | |
2857 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
2858 | adev->ip_blocks[i].version->funcs->name, r); | |
2859 | return r; | |
2860 | } | |
482f0e53 | 2861 | adev->ip_blocks[i].status.hw = true; |
a90ad3c2 ML |
2862 | } |
2863 | } | |
2864 | ||
2865 | return 0; | |
2866 | } | |
2867 | ||
e3ecdffa AD |
2868 | /** |
2869 | * amdgpu_device_ip_resume_phase2 - run resume for hardware IPs | |
2870 | * | |
2871 | * @adev: amdgpu_device pointer | |
2872 | * | |
2873 | * First resume function for hardware IPs. The list of all the hardware | |
2874 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2875 | * all blocks except COMMON, GMC, and IH. resume puts the hardware into a | |
2876 | * functional state after a suspend and updates the software state as | |
2877 | * necessary. This function is also used for restoring the GPU after a GPU | |
2878 | * reset. | |
2879 | * Returns 0 on success, negative error code on failure. | |
2880 | */ | |
06ec9070 | 2881 | static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
2882 | { |
2883 | int i, r; | |
2884 | ||
2885 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 | 2886 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2887 | continue; |
fcf0649f | 2888 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 2889 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
7a3e0bb2 RZ |
2890 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
2891 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
fcf0649f | 2892 | continue; |
a1255107 | 2893 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 2894 | if (r) { |
a1255107 AD |
2895 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
2896 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2897 | return r; |
2c1a2784 | 2898 | } |
482f0e53 | 2899 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
2900 | } |
2901 | ||
2902 | return 0; | |
2903 | } | |
2904 | ||
e3ecdffa AD |
2905 | /** |
2906 | * amdgpu_device_ip_resume - run resume for hardware IPs | |
2907 | * | |
2908 | * @adev: amdgpu_device pointer | |
2909 | * | |
2910 | * Main resume function for hardware IPs. The hardware IPs | |
2911 | * are split into two resume functions because they are | |
2912 | * are also used in in recovering from a GPU reset and some additional | |
2913 | * steps need to be take between them. In this case (S3/S4) they are | |
2914 | * run sequentially. | |
2915 | * Returns 0 on success, negative error code on failure. | |
2916 | */ | |
06ec9070 | 2917 | static int amdgpu_device_ip_resume(struct amdgpu_device *adev) |
fcf0649f CZ |
2918 | { |
2919 | int r; | |
2920 | ||
06ec9070 | 2921 | r = amdgpu_device_ip_resume_phase1(adev); |
fcf0649f CZ |
2922 | if (r) |
2923 | return r; | |
7a3e0bb2 RZ |
2924 | |
2925 | r = amdgpu_device_fw_loading(adev); | |
2926 | if (r) | |
2927 | return r; | |
2928 | ||
06ec9070 | 2929 | r = amdgpu_device_ip_resume_phase2(adev); |
fcf0649f CZ |
2930 | |
2931 | return r; | |
2932 | } | |
2933 | ||
e3ecdffa AD |
2934 | /** |
2935 | * amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV | |
2936 | * | |
2937 | * @adev: amdgpu_device pointer | |
2938 | * | |
2939 | * Query the VBIOS data tables to determine if the board supports SR-IOV. | |
2940 | */ | |
4e99a44e | 2941 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 2942 | { |
6867e1b5 ML |
2943 | if (amdgpu_sriov_vf(adev)) { |
2944 | if (adev->is_atom_fw) { | |
2945 | if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) | |
2946 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2947 | } else { | |
2948 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
2949 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2950 | } | |
2951 | ||
2952 | if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)) | |
2953 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); | |
a5bde2f9 | 2954 | } |
048765ad AR |
2955 | } |
2956 | ||
e3ecdffa AD |
2957 | /** |
2958 | * amdgpu_device_asic_has_dc_support - determine if DC supports the asic | |
2959 | * | |
2960 | * @asic_type: AMD asic type | |
2961 | * | |
2962 | * Check if there is DC (new modesetting infrastructre) support for an asic. | |
2963 | * returns true if DC has support, false if not. | |
2964 | */ | |
4562236b HW |
2965 | bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) |
2966 | { | |
2967 | switch (asic_type) { | |
2968 | #if defined(CONFIG_DRM_AMD_DC) | |
64200c46 MR |
2969 | #if defined(CONFIG_DRM_AMD_DC_SI) |
2970 | case CHIP_TAHITI: | |
2971 | case CHIP_PITCAIRN: | |
2972 | case CHIP_VERDE: | |
2973 | case CHIP_OLAND: | |
2974 | #endif | |
4562236b | 2975 | case CHIP_BONAIRE: |
0d6fbccb | 2976 | case CHIP_KAVERI: |
367e6687 AD |
2977 | case CHIP_KABINI: |
2978 | case CHIP_MULLINS: | |
d9fda248 HW |
2979 | /* |
2980 | * We have systems in the wild with these ASICs that require | |
2981 | * LVDS and VGA support which is not supported with DC. | |
2982 | * | |
2983 | * Fallback to the non-DC driver here by default so as not to | |
2984 | * cause regressions. | |
2985 | */ | |
2986 | return amdgpu_dc > 0; | |
2987 | case CHIP_HAWAII: | |
4562236b HW |
2988 | case CHIP_CARRIZO: |
2989 | case CHIP_STONEY: | |
4562236b | 2990 | case CHIP_POLARIS10: |
675fd32b | 2991 | case CHIP_POLARIS11: |
2c8ad2d5 | 2992 | case CHIP_POLARIS12: |
675fd32b | 2993 | case CHIP_VEGAM: |
4562236b HW |
2994 | case CHIP_TONGA: |
2995 | case CHIP_FIJI: | |
42f8ffa1 | 2996 | case CHIP_VEGA10: |
dca7b401 | 2997 | case CHIP_VEGA12: |
c6034aa2 | 2998 | case CHIP_VEGA20: |
b86a1aa3 | 2999 | #if defined(CONFIG_DRM_AMD_DC_DCN) |
fd187853 | 3000 | case CHIP_RAVEN: |
b4f199c7 | 3001 | case CHIP_NAVI10: |
8fceceb6 | 3002 | case CHIP_NAVI14: |
078655d9 | 3003 | case CHIP_NAVI12: |
e1c14c43 | 3004 | case CHIP_RENOIR: |
81d9bfb8 JFZ |
3005 | #endif |
3006 | #if defined(CONFIG_DRM_AMD_DC_DCN3_0) | |
3007 | case CHIP_SIENNA_CICHLID: | |
a6c5308f | 3008 | case CHIP_NAVY_FLOUNDER: |
7cc656e2 | 3009 | case CHIP_DIMGREY_CAVEFISH: |
84b934bc | 3010 | case CHIP_VANGOGH: |
42f8ffa1 | 3011 | #endif |
fd187853 | 3012 | return amdgpu_dc != 0; |
4562236b HW |
3013 | #endif |
3014 | default: | |
93b09a9a SS |
3015 | if (amdgpu_dc > 0) |
3016 | DRM_INFO("Display Core has been requested via kernel parameter " | |
3017 | "but isn't supported by ASIC, ignoring\n"); | |
4562236b HW |
3018 | return false; |
3019 | } | |
3020 | } | |
3021 | ||
3022 | /** | |
3023 | * amdgpu_device_has_dc_support - check if dc is supported | |
3024 | * | |
982a820b | 3025 | * @adev: amdgpu_device pointer |
4562236b HW |
3026 | * |
3027 | * Returns true for supported, false for not supported | |
3028 | */ | |
3029 | bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) | |
3030 | { | |
c997e8e2 | 3031 | if (amdgpu_sriov_vf(adev) || adev->enable_virtual_display) |
2555039d XY |
3032 | return false; |
3033 | ||
4562236b HW |
3034 | return amdgpu_device_asic_has_dc_support(adev->asic_type); |
3035 | } | |
3036 | ||
d4535e2c AG |
3037 | |
3038 | static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) | |
3039 | { | |
3040 | struct amdgpu_device *adev = | |
3041 | container_of(__work, struct amdgpu_device, xgmi_reset_work); | |
d95e8e97 | 3042 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); |
d4535e2c | 3043 | |
c6a6e2db AG |
3044 | /* It's a bug to not have a hive within this function */ |
3045 | if (WARN_ON(!hive)) | |
3046 | return; | |
3047 | ||
3048 | /* | |
3049 | * Use task barrier to synchronize all xgmi reset works across the | |
3050 | * hive. task_barrier_enter and task_barrier_exit will block | |
3051 | * until all the threads running the xgmi reset works reach | |
3052 | * those points. task_barrier_full will do both blocks. | |
3053 | */ | |
3054 | if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { | |
3055 | ||
3056 | task_barrier_enter(&hive->tb); | |
4a580877 | 3057 | adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev)); |
c6a6e2db AG |
3058 | |
3059 | if (adev->asic_reset_res) | |
3060 | goto fail; | |
3061 | ||
3062 | task_barrier_exit(&hive->tb); | |
4a580877 | 3063 | adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev)); |
c6a6e2db AG |
3064 | |
3065 | if (adev->asic_reset_res) | |
3066 | goto fail; | |
43c4d576 JC |
3067 | |
3068 | if (adev->mmhub.funcs && adev->mmhub.funcs->reset_ras_error_count) | |
3069 | adev->mmhub.funcs->reset_ras_error_count(adev); | |
c6a6e2db AG |
3070 | } else { |
3071 | ||
3072 | task_barrier_full(&hive->tb); | |
3073 | adev->asic_reset_res = amdgpu_asic_reset(adev); | |
3074 | } | |
ce316fa5 | 3075 | |
c6a6e2db | 3076 | fail: |
d4535e2c | 3077 | if (adev->asic_reset_res) |
fed184e9 | 3078 | DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 3079 | adev->asic_reset_res, adev_to_drm(adev)->unique); |
d95e8e97 | 3080 | amdgpu_put_xgmi_hive(hive); |
d4535e2c AG |
3081 | } |
3082 | ||
71f98027 AD |
3083 | static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) |
3084 | { | |
3085 | char *input = amdgpu_lockup_timeout; | |
3086 | char *timeout_setting = NULL; | |
3087 | int index = 0; | |
3088 | long timeout; | |
3089 | int ret = 0; | |
3090 | ||
3091 | /* | |
3092 | * By default timeout for non compute jobs is 10000. | |
3093 | * And there is no timeout enforced on compute jobs. | |
3094 | * In SR-IOV or passthrough mode, timeout for compute | |
b7b2a316 | 3095 | * jobs are 60000 by default. |
71f98027 AD |
3096 | */ |
3097 | adev->gfx_timeout = msecs_to_jiffies(10000); | |
3098 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; | |
3099 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) | |
b7b2a316 | 3100 | adev->compute_timeout = msecs_to_jiffies(60000); |
71f98027 AD |
3101 | else |
3102 | adev->compute_timeout = MAX_SCHEDULE_TIMEOUT; | |
3103 | ||
f440ff44 | 3104 | if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 | 3105 | while ((timeout_setting = strsep(&input, ",")) && |
f440ff44 | 3106 | strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 AD |
3107 | ret = kstrtol(timeout_setting, 0, &timeout); |
3108 | if (ret) | |
3109 | return ret; | |
3110 | ||
3111 | if (timeout == 0) { | |
3112 | index++; | |
3113 | continue; | |
3114 | } else if (timeout < 0) { | |
3115 | timeout = MAX_SCHEDULE_TIMEOUT; | |
3116 | } else { | |
3117 | timeout = msecs_to_jiffies(timeout); | |
3118 | } | |
3119 | ||
3120 | switch (index++) { | |
3121 | case 0: | |
3122 | adev->gfx_timeout = timeout; | |
3123 | break; | |
3124 | case 1: | |
3125 | adev->compute_timeout = timeout; | |
3126 | break; | |
3127 | case 2: | |
3128 | adev->sdma_timeout = timeout; | |
3129 | break; | |
3130 | case 3: | |
3131 | adev->video_timeout = timeout; | |
3132 | break; | |
3133 | default: | |
3134 | break; | |
3135 | } | |
3136 | } | |
3137 | /* | |
3138 | * There is only one value specified and | |
3139 | * it should apply to all non-compute jobs. | |
3140 | */ | |
bcccee89 | 3141 | if (index == 1) { |
71f98027 | 3142 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; |
bcccee89 ED |
3143 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) |
3144 | adev->compute_timeout = adev->gfx_timeout; | |
3145 | } | |
71f98027 AD |
3146 | } |
3147 | ||
3148 | return ret; | |
3149 | } | |
d4535e2c | 3150 | |
77f3a5cd ND |
3151 | static const struct attribute *amdgpu_dev_attributes[] = { |
3152 | &dev_attr_product_name.attr, | |
3153 | &dev_attr_product_number.attr, | |
3154 | &dev_attr_serial_number.attr, | |
3155 | &dev_attr_pcie_replay_count.attr, | |
3156 | NULL | |
3157 | }; | |
3158 | ||
c9a6b82f | 3159 | |
d38ceaf9 AD |
3160 | /** |
3161 | * amdgpu_device_init - initialize the driver | |
3162 | * | |
3163 | * @adev: amdgpu_device pointer | |
d38ceaf9 AD |
3164 | * @flags: driver flags |
3165 | * | |
3166 | * Initializes the driver info and hw (all asics). | |
3167 | * Returns 0 for success or an error on failure. | |
3168 | * Called at driver startup. | |
3169 | */ | |
3170 | int amdgpu_device_init(struct amdgpu_device *adev, | |
d38ceaf9 AD |
3171 | uint32_t flags) |
3172 | { | |
8aba21b7 LT |
3173 | struct drm_device *ddev = adev_to_drm(adev); |
3174 | struct pci_dev *pdev = adev->pdev; | |
d38ceaf9 | 3175 | int r, i; |
3840c5bc | 3176 | bool boco = false; |
95844d20 | 3177 | u32 max_MBps; |
d38ceaf9 AD |
3178 | |
3179 | adev->shutdown = false; | |
d38ceaf9 | 3180 | adev->flags = flags; |
4e66d7d2 YZ |
3181 | |
3182 | if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST) | |
3183 | adev->asic_type = amdgpu_force_asic_type; | |
3184 | else | |
3185 | adev->asic_type = flags & AMD_ASIC_MASK; | |
3186 | ||
d38ceaf9 | 3187 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
593aa2d2 | 3188 | if (amdgpu_emu_mode == 1) |
8bdab6bb | 3189 | adev->usec_timeout *= 10; |
770d13b1 | 3190 | adev->gmc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
3191 | adev->accel_working = false; |
3192 | adev->num_rings = 0; | |
3193 | adev->mman.buffer_funcs = NULL; | |
3194 | adev->mman.buffer_funcs_ring = NULL; | |
3195 | adev->vm_manager.vm_pte_funcs = NULL; | |
0c88b430 | 3196 | adev->vm_manager.vm_pte_num_scheds = 0; |
132f34e4 | 3197 | adev->gmc.gmc_funcs = NULL; |
f54d1867 | 3198 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
b8866c26 | 3199 | bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); |
d38ceaf9 AD |
3200 | |
3201 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
3202 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
3203 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
3204 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
3205 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
3206 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
4fa1c6a6 TZ |
3207 | adev->pcie_rreg64 = &amdgpu_invalid_rreg64; |
3208 | adev->pcie_wreg64 = &amdgpu_invalid_wreg64; | |
d38ceaf9 AD |
3209 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
3210 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
3211 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
3212 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
3213 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
3214 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
3215 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
3216 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
3217 | ||
3e39ab90 AD |
3218 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
3219 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
3220 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
3221 | |
3222 | /* mutex initialization are all done here so we | |
3223 | * can recall function without having locking issues */ | |
d38ceaf9 | 3224 | atomic_set(&adev->irq.ih.lock, 0); |
0e5ca0d1 | 3225 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
3226 | mutex_init(&adev->pm.mutex); |
3227 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
3228 | mutex_init(&adev->srbm_mutex); | |
b8866c26 | 3229 | mutex_init(&adev->gfx.pipe_reserve_mutex); |
d23ee13f | 3230 | mutex_init(&adev->gfx.gfx_off_mutex); |
d38ceaf9 | 3231 | mutex_init(&adev->grbm_idx_mutex); |
d38ceaf9 | 3232 | mutex_init(&adev->mn_lock); |
e23b74aa | 3233 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 | 3234 | hash_init(adev->mn_hash); |
53b3f8f4 | 3235 | atomic_set(&adev->in_gpu_reset, 0); |
6049db43 | 3236 | init_rwsem(&adev->reset_sem); |
32eaeae0 | 3237 | mutex_init(&adev->psp.mutex); |
bd052211 | 3238 | mutex_init(&adev->notifier_lock); |
d38ceaf9 | 3239 | |
912dfc84 EQ |
3240 | r = amdgpu_device_check_arguments(adev); |
3241 | if (r) | |
3242 | return r; | |
d38ceaf9 | 3243 | |
d38ceaf9 AD |
3244 | spin_lock_init(&adev->mmio_idx_lock); |
3245 | spin_lock_init(&adev->smc_idx_lock); | |
3246 | spin_lock_init(&adev->pcie_idx_lock); | |
3247 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
3248 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 3249 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 3250 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 3251 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 3252 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 3253 | |
0c4e7fa5 CZ |
3254 | INIT_LIST_HEAD(&adev->shadow_list); |
3255 | mutex_init(&adev->shadow_list_lock); | |
3256 | ||
beff74bc AD |
3257 | INIT_DELAYED_WORK(&adev->delayed_init_work, |
3258 | amdgpu_device_delayed_init_work_handler); | |
1e317b99 RZ |
3259 | INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, |
3260 | amdgpu_device_delay_enable_gfx_off); | |
2dc80b00 | 3261 | |
d4535e2c AG |
3262 | INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |
3263 | ||
d23ee13f | 3264 | adev->gfx.gfx_off_req_count = 1; |
b6e79d9a | 3265 | adev->pm.ac_power = power_supply_is_system_supplied() > 0; |
b1ddf548 | 3266 | |
b265bdbd EQ |
3267 | atomic_set(&adev->throttling_logging_enabled, 1); |
3268 | /* | |
3269 | * If throttling continues, logging will be performed every minute | |
3270 | * to avoid log flooding. "-1" is subtracted since the thermal | |
3271 | * throttling interrupt comes every second. Thus, the total logging | |
3272 | * interval is 59 seconds(retelimited printk interval) + 1(waiting | |
3273 | * for throttling interrupt) = 60 seconds. | |
3274 | */ | |
3275 | ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZ, 1); | |
3276 | ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE); | |
3277 | ||
0fa49558 AX |
3278 | /* Registers mapping */ |
3279 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
3280 | if (adev->asic_type >= CHIP_BONAIRE) { |
3281 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
3282 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
3283 | } else { | |
3284 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
3285 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
3286 | } | |
d38ceaf9 | 3287 | |
d38ceaf9 AD |
3288 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
3289 | if (adev->rmmio == NULL) { | |
3290 | return -ENOMEM; | |
3291 | } | |
3292 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
3293 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
3294 | ||
d38ceaf9 AD |
3295 | /* io port mapping */ |
3296 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
3297 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
3298 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
3299 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
3300 | break; | |
3301 | } | |
3302 | } | |
3303 | if (adev->rio_mem == NULL) | |
b64a18c5 | 3304 | DRM_INFO("PCI I/O BAR is not found.\n"); |
d38ceaf9 | 3305 | |
b2109d8e JX |
3306 | /* enable PCIE atomic ops */ |
3307 | r = pci_enable_atomic_ops_to_root(adev->pdev, | |
3308 | PCI_EXP_DEVCAP2_ATOMIC_COMP32 | | |
3309 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); | |
3310 | if (r) { | |
3311 | adev->have_atomics_support = false; | |
3312 | DRM_INFO("PCIE atomic ops is not supported\n"); | |
3313 | } else { | |
3314 | adev->have_atomics_support = true; | |
3315 | } | |
3316 | ||
5494d864 AD |
3317 | amdgpu_device_get_pcie_info(adev); |
3318 | ||
b239c017 JX |
3319 | if (amdgpu_mcbp) |
3320 | DRM_INFO("MCBP is enabled\n"); | |
3321 | ||
5f84cc63 JX |
3322 | if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10) |
3323 | adev->enable_mes = true; | |
3324 | ||
3aa0115d ML |
3325 | /* detect hw virtualization here */ |
3326 | amdgpu_detect_virtualization(adev); | |
3327 | ||
dffa11b4 ML |
3328 | r = amdgpu_device_get_job_timeout_settings(adev); |
3329 | if (r) { | |
3330 | dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); | |
4192f7b5 | 3331 | goto failed_unmap; |
a190d1c7 XY |
3332 | } |
3333 | ||
d38ceaf9 | 3334 | /* early init functions */ |
06ec9070 | 3335 | r = amdgpu_device_ip_early_init(adev); |
d38ceaf9 | 3336 | if (r) |
4192f7b5 | 3337 | goto failed_unmap; |
d38ceaf9 | 3338 | |
6585661d OZ |
3339 | /* doorbell bar mapping and doorbell index init*/ |
3340 | amdgpu_device_doorbell_init(adev); | |
3341 | ||
d38ceaf9 AD |
3342 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ |
3343 | /* this will fail for cards that aren't VGA class devices, just | |
3344 | * ignore it */ | |
06ec9070 | 3345 | vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); |
d38ceaf9 | 3346 | |
31af062a | 3347 | if (amdgpu_device_supports_boco(ddev)) |
3840c5bc AD |
3348 | boco = true; |
3349 | if (amdgpu_has_atpx() && | |
3350 | (amdgpu_is_atpx_hybrid() || | |
3351 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
3352 | !pci_is_thunderbolt_attached(adev->pdev)) | |
84c8b22e | 3353 | vga_switcheroo_register_client(adev->pdev, |
3840c5bc AD |
3354 | &amdgpu_switcheroo_ops, boco); |
3355 | if (boco) | |
d38ceaf9 AD |
3356 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); |
3357 | ||
9475a943 SL |
3358 | if (amdgpu_emu_mode == 1) { |
3359 | /* post the asic on emulation mode */ | |
3360 | emu_soc_asic_init(adev); | |
bfca0289 | 3361 | goto fence_driver_init; |
9475a943 | 3362 | } |
bfca0289 | 3363 | |
4e99a44e ML |
3364 | /* detect if we are with an SRIOV vbios */ |
3365 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 3366 | |
95e8e59e AD |
3367 | /* check if we need to reset the asic |
3368 | * E.g., driver was not cleanly unloaded previously, etc. | |
3369 | */ | |
f14899fd | 3370 | if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { |
95e8e59e AD |
3371 | r = amdgpu_asic_reset(adev); |
3372 | if (r) { | |
3373 | dev_err(adev->dev, "asic reset on init failed\n"); | |
3374 | goto failed; | |
3375 | } | |
3376 | } | |
3377 | ||
c9a6b82f AG |
3378 | pci_enable_pcie_error_reporting(adev->ddev.pdev); |
3379 | ||
d38ceaf9 | 3380 | /* Post card if necessary */ |
39c640c0 | 3381 | if (amdgpu_device_need_post(adev)) { |
d38ceaf9 | 3382 | if (!adev->bios) { |
bec86378 | 3383 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
3384 | r = -EINVAL; |
3385 | goto failed; | |
d38ceaf9 | 3386 | } |
bec86378 | 3387 | DRM_INFO("GPU posting now...\n"); |
4d2997ab | 3388 | r = amdgpu_device_asic_init(adev); |
4e99a44e ML |
3389 | if (r) { |
3390 | dev_err(adev->dev, "gpu post error!\n"); | |
3391 | goto failed; | |
3392 | } | |
d38ceaf9 AD |
3393 | } |
3394 | ||
88b64e95 AD |
3395 | if (adev->is_atom_fw) { |
3396 | /* Initialize clocks */ | |
3397 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
3398 | if (r) { | |
3399 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
e23b74aa | 3400 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
88b64e95 AD |
3401 | goto failed; |
3402 | } | |
3403 | } else { | |
a5bde2f9 AD |
3404 | /* Initialize clocks */ |
3405 | r = amdgpu_atombios_get_clock_info(adev); | |
3406 | if (r) { | |
3407 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
e23b74aa | 3408 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
89041940 | 3409 | goto failed; |
a5bde2f9 AD |
3410 | } |
3411 | /* init i2c buses */ | |
4562236b HW |
3412 | if (!amdgpu_device_has_dc_support(adev)) |
3413 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 3414 | } |
d38ceaf9 | 3415 | |
bfca0289 | 3416 | fence_driver_init: |
d38ceaf9 AD |
3417 | /* Fence driver */ |
3418 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
3419 | if (r) { |
3420 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
e23b74aa | 3421 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 3422 | goto failed; |
2c1a2784 | 3423 | } |
d38ceaf9 AD |
3424 | |
3425 | /* init the mode config */ | |
4a580877 | 3426 | drm_mode_config_init(adev_to_drm(adev)); |
d38ceaf9 | 3427 | |
06ec9070 | 3428 | r = amdgpu_device_ip_init(adev); |
d38ceaf9 | 3429 | if (r) { |
8840a387 | 3430 | /* failed in exclusive mode due to timeout */ |
3431 | if (amdgpu_sriov_vf(adev) && | |
3432 | !amdgpu_sriov_runtime(adev) && | |
3433 | amdgpu_virt_mmio_blocked(adev) && | |
3434 | !amdgpu_virt_wait_reset(adev)) { | |
3435 | dev_err(adev->dev, "VF exclusive mode timeout\n"); | |
1daee8b4 PD |
3436 | /* Don't send request since VF is inactive. */ |
3437 | adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; | |
3438 | adev->virt.ops = NULL; | |
8840a387 | 3439 | r = -EAGAIN; |
3440 | goto failed; | |
3441 | } | |
06ec9070 | 3442 | dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); |
e23b74aa | 3443 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
83ba126a | 3444 | goto failed; |
d38ceaf9 AD |
3445 | } |
3446 | ||
d69b8971 YZ |
3447 | dev_info(adev->dev, |
3448 | "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n", | |
d7f72fe4 YZ |
3449 | adev->gfx.config.max_shader_engines, |
3450 | adev->gfx.config.max_sh_per_se, | |
3451 | adev->gfx.config.max_cu_per_sh, | |
3452 | adev->gfx.cu_info.number); | |
3453 | ||
d38ceaf9 AD |
3454 | adev->accel_working = true; |
3455 | ||
e59c0205 AX |
3456 | amdgpu_vm_check_compute_bug(adev); |
3457 | ||
95844d20 MO |
3458 | /* Initialize the buffer migration limit. */ |
3459 | if (amdgpu_moverate >= 0) | |
3460 | max_MBps = amdgpu_moverate; | |
3461 | else | |
3462 | max_MBps = 8; /* Allow 8 MB/s. */ | |
3463 | /* Get a log2 for easy divisions. */ | |
3464 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
3465 | ||
9bc92b9c ML |
3466 | amdgpu_fbdev_init(adev); |
3467 | ||
d2f52ac8 | 3468 | r = amdgpu_pm_sysfs_init(adev); |
7c868b59 YT |
3469 | if (r) { |
3470 | adev->pm_sysfs_en = false; | |
d2f52ac8 | 3471 | DRM_ERROR("registering pm debugfs failed (%d).\n", r); |
7c868b59 YT |
3472 | } else |
3473 | adev->pm_sysfs_en = true; | |
d2f52ac8 | 3474 | |
5bb23532 | 3475 | r = amdgpu_ucode_sysfs_init(adev); |
7c868b59 YT |
3476 | if (r) { |
3477 | adev->ucode_sysfs_en = false; | |
5bb23532 | 3478 | DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); |
7c868b59 YT |
3479 | } else |
3480 | adev->ucode_sysfs_en = true; | |
5bb23532 | 3481 | |
d38ceaf9 AD |
3482 | if ((amdgpu_testing & 1)) { |
3483 | if (adev->accel_working) | |
3484 | amdgpu_test_moves(adev); | |
3485 | else | |
3486 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
3487 | } | |
d38ceaf9 AD |
3488 | if (amdgpu_benchmarking) { |
3489 | if (adev->accel_working) | |
3490 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
3491 | else | |
3492 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
3493 | } | |
3494 | ||
b0adca4d EQ |
3495 | /* |
3496 | * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. | |
3497 | * Otherwise the mgpu fan boost feature will be skipped due to the | |
3498 | * gpu instance is counted less. | |
3499 | */ | |
3500 | amdgpu_register_gpu_instance(adev); | |
3501 | ||
d38ceaf9 AD |
3502 | /* enable clockgating, etc. after ib tests, etc. since some blocks require |
3503 | * explicit gating rather than handling it automatically. | |
3504 | */ | |
06ec9070 | 3505 | r = amdgpu_device_ip_late_init(adev); |
2c1a2784 | 3506 | if (r) { |
06ec9070 | 3507 | dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); |
e23b74aa | 3508 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); |
83ba126a | 3509 | goto failed; |
2c1a2784 | 3510 | } |
d38ceaf9 | 3511 | |
108c6a63 | 3512 | /* must succeed. */ |
511fdbc3 | 3513 | amdgpu_ras_resume(adev); |
108c6a63 | 3514 | |
beff74bc AD |
3515 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3516 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3517 | ||
2c738637 ML |
3518 | if (amdgpu_sriov_vf(adev)) |
3519 | flush_delayed_work(&adev->delayed_init_work); | |
3520 | ||
77f3a5cd | 3521 | r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes); |
5aea5327 | 3522 | if (r) |
77f3a5cd | 3523 | dev_err(adev->dev, "Could not create amdgpu device attr\n"); |
bd607166 | 3524 | |
d155bef0 AB |
3525 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3526 | r = amdgpu_pmu_init(adev); | |
9c7c85f7 JK |
3527 | if (r) |
3528 | dev_err(adev->dev, "amdgpu_pmu_init failed\n"); | |
3529 | ||
c1dd4aa6 AG |
3530 | /* Have stored pci confspace at hand for restore in sudden PCI error */ |
3531 | if (amdgpu_device_cache_pci_state(adev->pdev)) | |
3532 | pci_restore_state(pdev); | |
3533 | ||
d38ceaf9 | 3534 | return 0; |
83ba126a AD |
3535 | |
3536 | failed: | |
89041940 | 3537 | amdgpu_vf_error_trans_all(adev); |
3840c5bc | 3538 | if (boco) |
83ba126a | 3539 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
8840a387 | 3540 | |
4192f7b5 AD |
3541 | failed_unmap: |
3542 | iounmap(adev->rmmio); | |
3543 | adev->rmmio = NULL; | |
3544 | ||
83ba126a | 3545 | return r; |
d38ceaf9 AD |
3546 | } |
3547 | ||
d38ceaf9 AD |
3548 | /** |
3549 | * amdgpu_device_fini - tear down the driver | |
3550 | * | |
3551 | * @adev: amdgpu_device pointer | |
3552 | * | |
3553 | * Tear down the driver info (all asics). | |
3554 | * Called at driver shutdown. | |
3555 | */ | |
3556 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
3557 | { | |
aac89168 | 3558 | dev_info(adev->dev, "amdgpu: finishing device.\n"); |
9f875167 | 3559 | flush_delayed_work(&adev->delayed_init_work); |
d0d13fe8 | 3560 | adev->shutdown = true; |
9f875167 | 3561 | |
c1dd4aa6 AG |
3562 | kfree(adev->pci_state); |
3563 | ||
752c683d ML |
3564 | /* make sure IB test finished before entering exclusive mode |
3565 | * to avoid preemption on IB test | |
3566 | * */ | |
519b8b76 | 3567 | if (amdgpu_sriov_vf(adev)) { |
752c683d | 3568 | amdgpu_virt_request_full_gpu(adev, false); |
519b8b76 BZ |
3569 | amdgpu_virt_fini_data_exchange(adev); |
3570 | } | |
752c683d | 3571 | |
e5b03032 ML |
3572 | /* disable all interrupts */ |
3573 | amdgpu_irq_disable_all(adev); | |
ff97cba8 ML |
3574 | if (adev->mode_info.mode_config_initialized){ |
3575 | if (!amdgpu_device_has_dc_support(adev)) | |
4a580877 | 3576 | drm_helper_force_disable_all(adev_to_drm(adev)); |
ff97cba8 | 3577 | else |
4a580877 | 3578 | drm_atomic_helper_shutdown(adev_to_drm(adev)); |
ff97cba8 | 3579 | } |
d38ceaf9 | 3580 | amdgpu_fence_driver_fini(adev); |
7c868b59 YT |
3581 | if (adev->pm_sysfs_en) |
3582 | amdgpu_pm_sysfs_fini(adev); | |
d38ceaf9 | 3583 | amdgpu_fbdev_fini(adev); |
e230ac11 | 3584 | amdgpu_device_ip_fini(adev); |
75e1658e ND |
3585 | release_firmware(adev->firmware.gpu_info_fw); |
3586 | adev->firmware.gpu_info_fw = NULL; | |
d38ceaf9 AD |
3587 | adev->accel_working = false; |
3588 | /* free i2c buses */ | |
4562236b HW |
3589 | if (!amdgpu_device_has_dc_support(adev)) |
3590 | amdgpu_i2c_fini(adev); | |
bfca0289 SL |
3591 | |
3592 | if (amdgpu_emu_mode != 1) | |
3593 | amdgpu_atombios_fini(adev); | |
3594 | ||
d38ceaf9 AD |
3595 | kfree(adev->bios); |
3596 | adev->bios = NULL; | |
3840c5bc AD |
3597 | if (amdgpu_has_atpx() && |
3598 | (amdgpu_is_atpx_hybrid() || | |
3599 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
3600 | !pci_is_thunderbolt_attached(adev->pdev)) | |
84c8b22e | 3601 | vga_switcheroo_unregister_client(adev->pdev); |
4a580877 | 3602 | if (amdgpu_device_supports_boco(adev_to_drm(adev))) |
83ba126a | 3603 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
d38ceaf9 AD |
3604 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
3605 | if (adev->rio_mem) | |
3606 | pci_iounmap(adev->pdev, adev->rio_mem); | |
3607 | adev->rio_mem = NULL; | |
3608 | iounmap(adev->rmmio); | |
3609 | adev->rmmio = NULL; | |
06ec9070 | 3610 | amdgpu_device_doorbell_fini(adev); |
e9bc1bf7 | 3611 | |
7c868b59 YT |
3612 | if (adev->ucode_sysfs_en) |
3613 | amdgpu_ucode_sysfs_fini(adev); | |
77f3a5cd ND |
3614 | |
3615 | sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes); | |
d155bef0 AB |
3616 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3617 | amdgpu_pmu_fini(adev); | |
72de33f8 | 3618 | if (adev->mman.discovery_bin) |
a190d1c7 | 3619 | amdgpu_discovery_fini(adev); |
d38ceaf9 AD |
3620 | } |
3621 | ||
3622 | ||
3623 | /* | |
3624 | * Suspend & resume. | |
3625 | */ | |
3626 | /** | |
810ddc3a | 3627 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 | 3628 | * |
87e3f136 | 3629 | * @dev: drm dev pointer |
87e3f136 | 3630 | * @fbcon : notify the fbdev of suspend |
d38ceaf9 AD |
3631 | * |
3632 | * Puts the hw in the suspend state (all asics). | |
3633 | * Returns 0 for success or an error on failure. | |
3634 | * Called at driver suspend. | |
3635 | */ | |
de185019 | 3636 | int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) |
d38ceaf9 AD |
3637 | { |
3638 | struct amdgpu_device *adev; | |
3639 | struct drm_crtc *crtc; | |
3640 | struct drm_connector *connector; | |
f8d2d39e | 3641 | struct drm_connector_list_iter iter; |
5ceb54c6 | 3642 | int r; |
d38ceaf9 | 3643 | |
1348969a | 3644 | adev = drm_to_adev(dev); |
d38ceaf9 AD |
3645 | |
3646 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
3647 | return 0; | |
3648 | ||
44779b43 | 3649 | adev->in_suspend = true; |
d38ceaf9 AD |
3650 | drm_kms_helper_poll_disable(dev); |
3651 | ||
5f818173 S |
3652 | if (fbcon) |
3653 | amdgpu_fbdev_set_suspend(adev, 1); | |
3654 | ||
beff74bc | 3655 | cancel_delayed_work_sync(&adev->delayed_init_work); |
a5459475 | 3656 | |
4562236b HW |
3657 | if (!amdgpu_device_has_dc_support(adev)) { |
3658 | /* turn off display hw */ | |
3659 | drm_modeset_lock_all(dev); | |
f8d2d39e LP |
3660 | drm_connector_list_iter_begin(dev, &iter); |
3661 | drm_for_each_connector_iter(connector, &iter) | |
3662 | drm_helper_connector_dpms(connector, | |
3663 | DRM_MODE_DPMS_OFF); | |
3664 | drm_connector_list_iter_end(&iter); | |
4562236b | 3665 | drm_modeset_unlock_all(dev); |
fe1053b7 AD |
3666 | /* unpin the front buffers and cursors */ |
3667 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3668 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
3669 | struct drm_framebuffer *fb = crtc->primary->fb; | |
3670 | struct amdgpu_bo *robj; | |
3671 | ||
91334223 | 3672 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
3673 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
3674 | r = amdgpu_bo_reserve(aobj, true); | |
3675 | if (r == 0) { | |
3676 | amdgpu_bo_unpin(aobj); | |
3677 | amdgpu_bo_unreserve(aobj); | |
3678 | } | |
756e6880 | 3679 | } |
756e6880 | 3680 | |
fe1053b7 AD |
3681 | if (fb == NULL || fb->obj[0] == NULL) { |
3682 | continue; | |
3683 | } | |
3684 | robj = gem_to_amdgpu_bo(fb->obj[0]); | |
3685 | /* don't unpin kernel fb objects */ | |
3686 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
3687 | r = amdgpu_bo_reserve(robj, true); | |
3688 | if (r == 0) { | |
3689 | amdgpu_bo_unpin(robj); | |
3690 | amdgpu_bo_unreserve(robj); | |
3691 | } | |
d38ceaf9 AD |
3692 | } |
3693 | } | |
3694 | } | |
fe1053b7 | 3695 | |
5e6932fe | 3696 | amdgpu_ras_suspend(adev); |
3697 | ||
fe1053b7 AD |
3698 | r = amdgpu_device_ip_suspend_phase1(adev); |
3699 | ||
94fa5660 EQ |
3700 | amdgpu_amdkfd_suspend(adev, !fbcon); |
3701 | ||
d38ceaf9 AD |
3702 | /* evict vram memory */ |
3703 | amdgpu_bo_evict_vram(adev); | |
3704 | ||
5ceb54c6 | 3705 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 | 3706 | |
fe1053b7 | 3707 | r = amdgpu_device_ip_suspend_phase2(adev); |
d38ceaf9 | 3708 | |
a0a71e49 AD |
3709 | /* evict remaining vram memory |
3710 | * This second call to evict vram is to evict the gart page table | |
3711 | * using the CPU. | |
3712 | */ | |
d38ceaf9 AD |
3713 | amdgpu_bo_evict_vram(adev); |
3714 | ||
d38ceaf9 AD |
3715 | return 0; |
3716 | } | |
3717 | ||
3718 | /** | |
810ddc3a | 3719 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 | 3720 | * |
87e3f136 | 3721 | * @dev: drm dev pointer |
87e3f136 | 3722 | * @fbcon : notify the fbdev of resume |
d38ceaf9 AD |
3723 | * |
3724 | * Bring the hw back to operating state (all asics). | |
3725 | * Returns 0 for success or an error on failure. | |
3726 | * Called at driver resume. | |
3727 | */ | |
de185019 | 3728 | int amdgpu_device_resume(struct drm_device *dev, bool fbcon) |
d38ceaf9 AD |
3729 | { |
3730 | struct drm_connector *connector; | |
f8d2d39e | 3731 | struct drm_connector_list_iter iter; |
1348969a | 3732 | struct amdgpu_device *adev = drm_to_adev(dev); |
756e6880 | 3733 | struct drm_crtc *crtc; |
03161a6e | 3734 | int r = 0; |
d38ceaf9 AD |
3735 | |
3736 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
3737 | return 0; | |
3738 | ||
d38ceaf9 | 3739 | /* post card */ |
39c640c0 | 3740 | if (amdgpu_device_need_post(adev)) { |
4d2997ab | 3741 | r = amdgpu_device_asic_init(adev); |
74b0b157 | 3742 | if (r) |
aac89168 | 3743 | dev_err(adev->dev, "amdgpu asic init failed\n"); |
74b0b157 | 3744 | } |
d38ceaf9 | 3745 | |
06ec9070 | 3746 | r = amdgpu_device_ip_resume(adev); |
e6707218 | 3747 | if (r) { |
aac89168 | 3748 | dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r); |
4d3b9ae5 | 3749 | return r; |
e6707218 | 3750 | } |
5ceb54c6 AD |
3751 | amdgpu_fence_driver_resume(adev); |
3752 | ||
d38ceaf9 | 3753 | |
06ec9070 | 3754 | r = amdgpu_device_ip_late_init(adev); |
03161a6e | 3755 | if (r) |
4d3b9ae5 | 3756 | return r; |
d38ceaf9 | 3757 | |
beff74bc AD |
3758 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3759 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3760 | ||
fe1053b7 AD |
3761 | if (!amdgpu_device_has_dc_support(adev)) { |
3762 | /* pin cursors */ | |
3763 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3764 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
3765 | ||
91334223 | 3766 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
3767 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
3768 | r = amdgpu_bo_reserve(aobj, true); | |
3769 | if (r == 0) { | |
3770 | r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); | |
3771 | if (r != 0) | |
aac89168 | 3772 | dev_err(adev->dev, "Failed to pin cursor BO (%d)\n", r); |
fe1053b7 AD |
3773 | amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); |
3774 | amdgpu_bo_unreserve(aobj); | |
3775 | } | |
756e6880 AD |
3776 | } |
3777 | } | |
3778 | } | |
9593f4d6 | 3779 | r = amdgpu_amdkfd_resume(adev, !fbcon); |
ba997709 YZ |
3780 | if (r) |
3781 | return r; | |
756e6880 | 3782 | |
96a5d8d4 | 3783 | /* Make sure IB tests flushed */ |
beff74bc | 3784 | flush_delayed_work(&adev->delayed_init_work); |
96a5d8d4 | 3785 | |
d38ceaf9 AD |
3786 | /* blat the mode back in */ |
3787 | if (fbcon) { | |
4562236b HW |
3788 | if (!amdgpu_device_has_dc_support(adev)) { |
3789 | /* pre DCE11 */ | |
3790 | drm_helper_resume_force_mode(dev); | |
3791 | ||
3792 | /* turn on display hw */ | |
3793 | drm_modeset_lock_all(dev); | |
f8d2d39e LP |
3794 | |
3795 | drm_connector_list_iter_begin(dev, &iter); | |
3796 | drm_for_each_connector_iter(connector, &iter) | |
3797 | drm_helper_connector_dpms(connector, | |
3798 | DRM_MODE_DPMS_ON); | |
3799 | drm_connector_list_iter_end(&iter); | |
3800 | ||
4562236b | 3801 | drm_modeset_unlock_all(dev); |
d38ceaf9 | 3802 | } |
4d3b9ae5 | 3803 | amdgpu_fbdev_set_suspend(adev, 0); |
d38ceaf9 AD |
3804 | } |
3805 | ||
3806 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 | 3807 | |
5e6932fe | 3808 | amdgpu_ras_resume(adev); |
3809 | ||
23a1a9e5 L |
3810 | /* |
3811 | * Most of the connector probing functions try to acquire runtime pm | |
3812 | * refs to ensure that the GPU is powered on when connector polling is | |
3813 | * performed. Since we're calling this from a runtime PM callback, | |
3814 | * trying to acquire rpm refs will cause us to deadlock. | |
3815 | * | |
3816 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
3817 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
3818 | */ | |
3819 | #ifdef CONFIG_PM | |
3820 | dev->dev->power.disable_depth++; | |
3821 | #endif | |
4562236b HW |
3822 | if (!amdgpu_device_has_dc_support(adev)) |
3823 | drm_helper_hpd_irq_event(dev); | |
3824 | else | |
3825 | drm_kms_helper_hotplug_event(dev); | |
23a1a9e5 L |
3826 | #ifdef CONFIG_PM |
3827 | dev->dev->power.disable_depth--; | |
3828 | #endif | |
44779b43 RZ |
3829 | adev->in_suspend = false; |
3830 | ||
4d3b9ae5 | 3831 | return 0; |
d38ceaf9 AD |
3832 | } |
3833 | ||
e3ecdffa AD |
3834 | /** |
3835 | * amdgpu_device_ip_check_soft_reset - did soft reset succeed | |
3836 | * | |
3837 | * @adev: amdgpu_device pointer | |
3838 | * | |
3839 | * The list of all the hardware IPs that make up the asic is walked and | |
3840 | * the check_soft_reset callbacks are run. check_soft_reset determines | |
3841 | * if the asic is still hung or not. | |
3842 | * Returns true if any of the IPs are still in a hung state, false if not. | |
3843 | */ | |
06ec9070 | 3844 | static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) |
63fbf42f CZ |
3845 | { |
3846 | int i; | |
3847 | bool asic_hang = false; | |
3848 | ||
f993d628 ML |
3849 | if (amdgpu_sriov_vf(adev)) |
3850 | return true; | |
3851 | ||
8bc04c29 AD |
3852 | if (amdgpu_asic_need_full_reset(adev)) |
3853 | return true; | |
3854 | ||
63fbf42f | 3855 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3856 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 3857 | continue; |
a1255107 AD |
3858 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
3859 | adev->ip_blocks[i].status.hang = | |
3860 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
3861 | if (adev->ip_blocks[i].status.hang) { | |
aac89168 | 3862 | dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); |
63fbf42f CZ |
3863 | asic_hang = true; |
3864 | } | |
3865 | } | |
3866 | return asic_hang; | |
3867 | } | |
3868 | ||
e3ecdffa AD |
3869 | /** |
3870 | * amdgpu_device_ip_pre_soft_reset - prepare for soft reset | |
3871 | * | |
3872 | * @adev: amdgpu_device pointer | |
3873 | * | |
3874 | * The list of all the hardware IPs that make up the asic is walked and the | |
3875 | * pre_soft_reset callbacks are run if the block is hung. pre_soft_reset | |
3876 | * handles any IP specific hardware or software state changes that are | |
3877 | * necessary for a soft reset to succeed. | |
3878 | * Returns 0 on success, negative error code on failure. | |
3879 | */ | |
06ec9070 | 3880 | static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
3881 | { |
3882 | int i, r = 0; | |
3883 | ||
3884 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3885 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 3886 | continue; |
a1255107 AD |
3887 | if (adev->ip_blocks[i].status.hang && |
3888 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
3889 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
3890 | if (r) |
3891 | return r; | |
3892 | } | |
3893 | } | |
3894 | ||
3895 | return 0; | |
3896 | } | |
3897 | ||
e3ecdffa AD |
3898 | /** |
3899 | * amdgpu_device_ip_need_full_reset - check if a full asic reset is needed | |
3900 | * | |
3901 | * @adev: amdgpu_device pointer | |
3902 | * | |
3903 | * Some hardware IPs cannot be soft reset. If they are hung, a full gpu | |
3904 | * reset is necessary to recover. | |
3905 | * Returns true if a full asic reset is required, false if not. | |
3906 | */ | |
06ec9070 | 3907 | static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) |
35d782fe | 3908 | { |
da146d3b AD |
3909 | int i; |
3910 | ||
8bc04c29 AD |
3911 | if (amdgpu_asic_need_full_reset(adev)) |
3912 | return true; | |
3913 | ||
da146d3b | 3914 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3915 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 3916 | continue; |
a1255107 AD |
3917 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
3918 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
3919 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
3920 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
3921 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 3922 | if (adev->ip_blocks[i].status.hang) { |
aac89168 | 3923 | dev_info(adev->dev, "Some block need full reset!\n"); |
da146d3b AD |
3924 | return true; |
3925 | } | |
3926 | } | |
35d782fe CZ |
3927 | } |
3928 | return false; | |
3929 | } | |
3930 | ||
e3ecdffa AD |
3931 | /** |
3932 | * amdgpu_device_ip_soft_reset - do a soft reset | |
3933 | * | |
3934 | * @adev: amdgpu_device pointer | |
3935 | * | |
3936 | * The list of all the hardware IPs that make up the asic is walked and the | |
3937 | * soft_reset callbacks are run if the block is hung. soft_reset handles any | |
3938 | * IP specific hardware or software state changes that are necessary to soft | |
3939 | * reset the IP. | |
3940 | * Returns 0 on success, negative error code on failure. | |
3941 | */ | |
06ec9070 | 3942 | static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3943 | { |
3944 | int i, r = 0; | |
3945 | ||
3946 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3947 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3948 | continue; |
a1255107 AD |
3949 | if (adev->ip_blocks[i].status.hang && |
3950 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
3951 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
3952 | if (r) |
3953 | return r; | |
3954 | } | |
3955 | } | |
3956 | ||
3957 | return 0; | |
3958 | } | |
3959 | ||
e3ecdffa AD |
3960 | /** |
3961 | * amdgpu_device_ip_post_soft_reset - clean up from soft reset | |
3962 | * | |
3963 | * @adev: amdgpu_device pointer | |
3964 | * | |
3965 | * The list of all the hardware IPs that make up the asic is walked and the | |
3966 | * post_soft_reset callbacks are run if the asic was hung. post_soft_reset | |
3967 | * handles any IP specific hardware or software state changes that are | |
3968 | * necessary after the IP has been soft reset. | |
3969 | * Returns 0 on success, negative error code on failure. | |
3970 | */ | |
06ec9070 | 3971 | static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3972 | { |
3973 | int i, r = 0; | |
3974 | ||
3975 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3976 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3977 | continue; |
a1255107 AD |
3978 | if (adev->ip_blocks[i].status.hang && |
3979 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
3980 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
3981 | if (r) |
3982 | return r; | |
3983 | } | |
3984 | ||
3985 | return 0; | |
3986 | } | |
3987 | ||
e3ecdffa | 3988 | /** |
c33adbc7 | 3989 | * amdgpu_device_recover_vram - Recover some VRAM contents |
e3ecdffa AD |
3990 | * |
3991 | * @adev: amdgpu_device pointer | |
3992 | * | |
3993 | * Restores the contents of VRAM buffers from the shadows in GTT. Used to | |
3994 | * restore things like GPUVM page tables after a GPU reset where | |
3995 | * the contents of VRAM might be lost. | |
403009bf CK |
3996 | * |
3997 | * Returns: | |
3998 | * 0 on success, negative error code on failure. | |
e3ecdffa | 3999 | */ |
c33adbc7 | 4000 | static int amdgpu_device_recover_vram(struct amdgpu_device *adev) |
c41d1cf6 | 4001 | { |
c41d1cf6 | 4002 | struct dma_fence *fence = NULL, *next = NULL; |
403009bf CK |
4003 | struct amdgpu_bo *shadow; |
4004 | long r = 1, tmo; | |
c41d1cf6 ML |
4005 | |
4006 | if (amdgpu_sriov_runtime(adev)) | |
b045d3af | 4007 | tmo = msecs_to_jiffies(8000); |
c41d1cf6 ML |
4008 | else |
4009 | tmo = msecs_to_jiffies(100); | |
4010 | ||
aac89168 | 4011 | dev_info(adev->dev, "recover vram bo from shadow start\n"); |
c41d1cf6 | 4012 | mutex_lock(&adev->shadow_list_lock); |
403009bf CK |
4013 | list_for_each_entry(shadow, &adev->shadow_list, shadow_list) { |
4014 | ||
4015 | /* No need to recover an evicted BO */ | |
4016 | if (shadow->tbo.mem.mem_type != TTM_PL_TT || | |
b575f10d | 4017 | shadow->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET || |
403009bf CK |
4018 | shadow->parent->tbo.mem.mem_type != TTM_PL_VRAM) |
4019 | continue; | |
4020 | ||
4021 | r = amdgpu_bo_restore_shadow(shadow, &next); | |
4022 | if (r) | |
4023 | break; | |
4024 | ||
c41d1cf6 | 4025 | if (fence) { |
1712fb1a | 4026 | tmo = dma_fence_wait_timeout(fence, false, tmo); |
403009bf CK |
4027 | dma_fence_put(fence); |
4028 | fence = next; | |
1712fb1a | 4029 | if (tmo == 0) { |
4030 | r = -ETIMEDOUT; | |
c41d1cf6 | 4031 | break; |
1712fb1a | 4032 | } else if (tmo < 0) { |
4033 | r = tmo; | |
4034 | break; | |
4035 | } | |
403009bf CK |
4036 | } else { |
4037 | fence = next; | |
c41d1cf6 | 4038 | } |
c41d1cf6 ML |
4039 | } |
4040 | mutex_unlock(&adev->shadow_list_lock); | |
4041 | ||
403009bf CK |
4042 | if (fence) |
4043 | tmo = dma_fence_wait_timeout(fence, false, tmo); | |
c41d1cf6 ML |
4044 | dma_fence_put(fence); |
4045 | ||
1712fb1a | 4046 | if (r < 0 || tmo <= 0) { |
aac89168 | 4047 | dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); |
403009bf CK |
4048 | return -EIO; |
4049 | } | |
c41d1cf6 | 4050 | |
aac89168 | 4051 | dev_info(adev->dev, "recover vram bo from shadow done\n"); |
403009bf | 4052 | return 0; |
c41d1cf6 ML |
4053 | } |
4054 | ||
a90ad3c2 | 4055 | |
e3ecdffa | 4056 | /** |
06ec9070 | 4057 | * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf |
5740682e | 4058 | * |
982a820b | 4059 | * @adev: amdgpu_device pointer |
87e3f136 | 4060 | * @from_hypervisor: request from hypervisor |
5740682e ML |
4061 | * |
4062 | * do VF FLR and reinitialize Asic | |
3f48c681 | 4063 | * return 0 means succeeded otherwise failed |
e3ecdffa AD |
4064 | */ |
4065 | static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, | |
4066 | bool from_hypervisor) | |
5740682e ML |
4067 | { |
4068 | int r; | |
4069 | ||
4070 | if (from_hypervisor) | |
4071 | r = amdgpu_virt_request_full_gpu(adev, true); | |
4072 | else | |
4073 | r = amdgpu_virt_reset_gpu(adev); | |
4074 | if (r) | |
4075 | return r; | |
a90ad3c2 | 4076 | |
b639c22c JZ |
4077 | amdgpu_amdkfd_pre_reset(adev); |
4078 | ||
a90ad3c2 | 4079 | /* Resume IP prior to SMC */ |
06ec9070 | 4080 | r = amdgpu_device_ip_reinit_early_sriov(adev); |
5740682e ML |
4081 | if (r) |
4082 | goto error; | |
a90ad3c2 | 4083 | |
c9ffa427 | 4084 | amdgpu_virt_init_data_exchange(adev); |
a90ad3c2 | 4085 | /* we need recover gart prior to run SMC/CP/SDMA resume */ |
6c28aed6 | 4086 | amdgpu_gtt_mgr_recover(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)); |
a90ad3c2 | 4087 | |
7a3e0bb2 RZ |
4088 | r = amdgpu_device_fw_loading(adev); |
4089 | if (r) | |
4090 | return r; | |
4091 | ||
a90ad3c2 | 4092 | /* now we are okay to resume SMC/CP/SDMA */ |
06ec9070 | 4093 | r = amdgpu_device_ip_reinit_late_sriov(adev); |
5740682e ML |
4094 | if (r) |
4095 | goto error; | |
a90ad3c2 ML |
4096 | |
4097 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
5740682e | 4098 | r = amdgpu_ib_ring_tests(adev); |
f81e8d53 | 4099 | amdgpu_amdkfd_post_reset(adev); |
a90ad3c2 | 4100 | |
abc34253 ED |
4101 | error: |
4102 | amdgpu_virt_release_full_gpu(adev, true); | |
c41d1cf6 | 4103 | if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { |
e3526257 | 4104 | amdgpu_inc_vram_lost(adev); |
c33adbc7 | 4105 | r = amdgpu_device_recover_vram(adev); |
a90ad3c2 ML |
4106 | } |
4107 | ||
4108 | return r; | |
4109 | } | |
4110 | ||
9a1cddd6 | 4111 | /** |
4112 | * amdgpu_device_has_job_running - check if there is any job in mirror list | |
4113 | * | |
982a820b | 4114 | * @adev: amdgpu_device pointer |
9a1cddd6 | 4115 | * |
4116 | * check if there is any job in mirror list | |
4117 | */ | |
4118 | bool amdgpu_device_has_job_running(struct amdgpu_device *adev) | |
4119 | { | |
4120 | int i; | |
4121 | struct drm_sched_job *job; | |
4122 | ||
4123 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4124 | struct amdgpu_ring *ring = adev->rings[i]; | |
4125 | ||
4126 | if (!ring || !ring->sched.thread) | |
4127 | continue; | |
4128 | ||
4129 | spin_lock(&ring->sched.job_list_lock); | |
4130 | job = list_first_entry_or_null(&ring->sched.ring_mirror_list, | |
4131 | struct drm_sched_job, node); | |
4132 | spin_unlock(&ring->sched.job_list_lock); | |
4133 | if (job) | |
4134 | return true; | |
4135 | } | |
4136 | return false; | |
4137 | } | |
4138 | ||
12938fad CK |
4139 | /** |
4140 | * amdgpu_device_should_recover_gpu - check if we should try GPU recovery | |
4141 | * | |
982a820b | 4142 | * @adev: amdgpu_device pointer |
12938fad CK |
4143 | * |
4144 | * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover | |
4145 | * a hung GPU. | |
4146 | */ | |
4147 | bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) | |
4148 | { | |
4149 | if (!amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4150 | dev_info(adev->dev, "Timeout, but no hardware hang detected.\n"); |
12938fad CK |
4151 | return false; |
4152 | } | |
4153 | ||
3ba7b418 AG |
4154 | if (amdgpu_gpu_recovery == 0) |
4155 | goto disabled; | |
4156 | ||
4157 | if (amdgpu_sriov_vf(adev)) | |
4158 | return true; | |
4159 | ||
4160 | if (amdgpu_gpu_recovery == -1) { | |
4161 | switch (adev->asic_type) { | |
fc42d47c AG |
4162 | case CHIP_BONAIRE: |
4163 | case CHIP_HAWAII: | |
3ba7b418 AG |
4164 | case CHIP_TOPAZ: |
4165 | case CHIP_TONGA: | |
4166 | case CHIP_FIJI: | |
4167 | case CHIP_POLARIS10: | |
4168 | case CHIP_POLARIS11: | |
4169 | case CHIP_POLARIS12: | |
4170 | case CHIP_VEGAM: | |
4171 | case CHIP_VEGA20: | |
4172 | case CHIP_VEGA10: | |
4173 | case CHIP_VEGA12: | |
c43b849f | 4174 | case CHIP_RAVEN: |
e9d4cf91 | 4175 | case CHIP_ARCTURUS: |
2cb44fb0 | 4176 | case CHIP_RENOIR: |
658c6639 AD |
4177 | case CHIP_NAVI10: |
4178 | case CHIP_NAVI14: | |
4179 | case CHIP_NAVI12: | |
131a3c74 | 4180 | case CHIP_SIENNA_CICHLID: |
3ba7b418 AG |
4181 | break; |
4182 | default: | |
4183 | goto disabled; | |
4184 | } | |
12938fad CK |
4185 | } |
4186 | ||
4187 | return true; | |
3ba7b418 AG |
4188 | |
4189 | disabled: | |
aac89168 | 4190 | dev_info(adev->dev, "GPU recovery disabled.\n"); |
3ba7b418 | 4191 | return false; |
12938fad CK |
4192 | } |
4193 | ||
5c6dd71e | 4194 | |
26bc5340 AG |
4195 | static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, |
4196 | struct amdgpu_job *job, | |
4197 | bool *need_full_reset_arg) | |
4198 | { | |
4199 | int i, r = 0; | |
4200 | bool need_full_reset = *need_full_reset_arg; | |
71182665 | 4201 | |
728e7e0c JZ |
4202 | amdgpu_debugfs_wait_dump(adev); |
4203 | ||
b602ca5f TZ |
4204 | if (amdgpu_sriov_vf(adev)) { |
4205 | /* stop the data exchange thread */ | |
4206 | amdgpu_virt_fini_data_exchange(adev); | |
4207 | } | |
4208 | ||
71182665 | 4209 | /* block all schedulers and reset given job's ring */ |
0875dc9e CZ |
4210 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4211 | struct amdgpu_ring *ring = adev->rings[i]; | |
4212 | ||
51687759 | 4213 | if (!ring || !ring->sched.thread) |
0875dc9e | 4214 | continue; |
5740682e | 4215 | |
2f9d4084 ML |
4216 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
4217 | amdgpu_fence_driver_force_completion(ring); | |
0875dc9e | 4218 | } |
d38ceaf9 | 4219 | |
222b5f04 AG |
4220 | if(job) |
4221 | drm_sched_increase_karma(&job->base); | |
4222 | ||
1d721ed6 | 4223 | /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ |
26bc5340 AG |
4224 | if (!amdgpu_sriov_vf(adev)) { |
4225 | ||
4226 | if (!need_full_reset) | |
4227 | need_full_reset = amdgpu_device_ip_need_full_reset(adev); | |
4228 | ||
4229 | if (!need_full_reset) { | |
4230 | amdgpu_device_ip_pre_soft_reset(adev); | |
4231 | r = amdgpu_device_ip_soft_reset(adev); | |
4232 | amdgpu_device_ip_post_soft_reset(adev); | |
4233 | if (r || amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4234 | dev_info(adev->dev, "soft reset failed, will fallback to full reset!\n"); |
26bc5340 AG |
4235 | need_full_reset = true; |
4236 | } | |
4237 | } | |
4238 | ||
4239 | if (need_full_reset) | |
4240 | r = amdgpu_device_ip_suspend(adev); | |
4241 | ||
4242 | *need_full_reset_arg = need_full_reset; | |
4243 | } | |
4244 | ||
4245 | return r; | |
4246 | } | |
4247 | ||
041a62bc | 4248 | static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, |
26bc5340 | 4249 | struct list_head *device_list_handle, |
7ac71382 AG |
4250 | bool *need_full_reset_arg, |
4251 | bool skip_hw_reset) | |
26bc5340 AG |
4252 | { |
4253 | struct amdgpu_device *tmp_adev = NULL; | |
4254 | bool need_full_reset = *need_full_reset_arg, vram_lost = false; | |
4255 | int r = 0; | |
4256 | ||
4257 | /* | |
4258 | * ASIC reset has to be done on all HGMI hive nodes ASAP | |
4259 | * to allow proper links negotiation in FW (within 1 sec) | |
4260 | */ | |
7ac71382 | 4261 | if (!skip_hw_reset && need_full_reset) { |
26bc5340 | 4262 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { |
041a62bc | 4263 | /* For XGMI run all resets in parallel to speed up the process */ |
d4535e2c | 4264 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
c96cf282 | 4265 | if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) |
d4535e2c AG |
4266 | r = -EALREADY; |
4267 | } else | |
4268 | r = amdgpu_asic_reset(tmp_adev); | |
d4535e2c | 4269 | |
041a62bc | 4270 | if (r) { |
aac89168 | 4271 | dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 4272 | r, adev_to_drm(tmp_adev)->unique); |
041a62bc | 4273 | break; |
ce316fa5 LM |
4274 | } |
4275 | } | |
4276 | ||
041a62bc AG |
4277 | /* For XGMI wait for all resets to complete before proceed */ |
4278 | if (!r) { | |
ce316fa5 LM |
4279 | list_for_each_entry(tmp_adev, device_list_handle, |
4280 | gmc.xgmi.head) { | |
4281 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { | |
4282 | flush_work(&tmp_adev->xgmi_reset_work); | |
4283 | r = tmp_adev->asic_reset_res; | |
4284 | if (r) | |
4285 | break; | |
ce316fa5 LM |
4286 | } |
4287 | } | |
4288 | } | |
ce316fa5 | 4289 | } |
26bc5340 | 4290 | |
43c4d576 JC |
4291 | if (!r && amdgpu_ras_intr_triggered()) { |
4292 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
4293 | if (tmp_adev->mmhub.funcs && | |
4294 | tmp_adev->mmhub.funcs->reset_ras_error_count) | |
4295 | tmp_adev->mmhub.funcs->reset_ras_error_count(tmp_adev); | |
4296 | } | |
4297 | ||
00eaa571 | 4298 | amdgpu_ras_intr_cleared(); |
43c4d576 | 4299 | } |
00eaa571 | 4300 | |
26bc5340 AG |
4301 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { |
4302 | if (need_full_reset) { | |
4303 | /* post card */ | |
4d2997ab | 4304 | if (amdgpu_device_asic_init(tmp_adev)) |
aac89168 | 4305 | dev_warn(tmp_adev->dev, "asic atom init failed!"); |
26bc5340 AG |
4306 | |
4307 | if (!r) { | |
4308 | dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); | |
4309 | r = amdgpu_device_ip_resume_phase1(tmp_adev); | |
4310 | if (r) | |
4311 | goto out; | |
4312 | ||
4313 | vram_lost = amdgpu_device_check_vram_lost(tmp_adev); | |
4314 | if (vram_lost) { | |
77e7f829 | 4315 | DRM_INFO("VRAM is lost due to GPU reset!\n"); |
e3526257 | 4316 | amdgpu_inc_vram_lost(tmp_adev); |
26bc5340 AG |
4317 | } |
4318 | ||
6c28aed6 | 4319 | r = amdgpu_gtt_mgr_recover(ttm_manager_type(&tmp_adev->mman.bdev, TTM_PL_TT)); |
26bc5340 AG |
4320 | if (r) |
4321 | goto out; | |
4322 | ||
4323 | r = amdgpu_device_fw_loading(tmp_adev); | |
4324 | if (r) | |
4325 | return r; | |
4326 | ||
4327 | r = amdgpu_device_ip_resume_phase2(tmp_adev); | |
4328 | if (r) | |
4329 | goto out; | |
4330 | ||
4331 | if (vram_lost) | |
4332 | amdgpu_device_fill_reset_magic(tmp_adev); | |
4333 | ||
fdafb359 EQ |
4334 | /* |
4335 | * Add this ASIC as tracked as reset was already | |
4336 | * complete successfully. | |
4337 | */ | |
4338 | amdgpu_register_gpu_instance(tmp_adev); | |
4339 | ||
7c04ca50 | 4340 | r = amdgpu_device_ip_late_init(tmp_adev); |
4341 | if (r) | |
4342 | goto out; | |
4343 | ||
565d1941 EQ |
4344 | amdgpu_fbdev_set_suspend(tmp_adev, 0); |
4345 | ||
e8fbaf03 GC |
4346 | /* |
4347 | * The GPU enters bad state once faulty pages | |
4348 | * by ECC has reached the threshold, and ras | |
4349 | * recovery is scheduled next. So add one check | |
4350 | * here to break recovery if it indeed exceeds | |
4351 | * bad page threshold, and remind user to | |
4352 | * retire this GPU or setting one bigger | |
4353 | * bad_page_threshold value to fix this once | |
4354 | * probing driver again. | |
4355 | */ | |
4356 | if (!amdgpu_ras_check_err_threshold(tmp_adev)) { | |
4357 | /* must succeed. */ | |
4358 | amdgpu_ras_resume(tmp_adev); | |
4359 | } else { | |
4360 | r = -EINVAL; | |
4361 | goto out; | |
4362 | } | |
e79a04d5 | 4363 | |
26bc5340 AG |
4364 | /* Update PSP FW topology after reset */ |
4365 | if (hive && tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
4366 | r = amdgpu_xgmi_update_topology(hive, tmp_adev); | |
4367 | } | |
4368 | } | |
4369 | ||
26bc5340 AG |
4370 | out: |
4371 | if (!r) { | |
4372 | amdgpu_irq_gpu_reset_resume_helper(tmp_adev); | |
4373 | r = amdgpu_ib_ring_tests(tmp_adev); | |
4374 | if (r) { | |
4375 | dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); | |
4376 | r = amdgpu_device_ip_suspend(tmp_adev); | |
4377 | need_full_reset = true; | |
4378 | r = -EAGAIN; | |
4379 | goto end; | |
4380 | } | |
4381 | } | |
4382 | ||
4383 | if (!r) | |
4384 | r = amdgpu_device_recover_vram(tmp_adev); | |
4385 | else | |
4386 | tmp_adev->asic_reset_res = r; | |
4387 | } | |
4388 | ||
4389 | end: | |
4390 | *need_full_reset_arg = need_full_reset; | |
4391 | return r; | |
4392 | } | |
4393 | ||
08ebb485 DL |
4394 | static bool amdgpu_device_lock_adev(struct amdgpu_device *adev, |
4395 | struct amdgpu_hive_info *hive) | |
26bc5340 | 4396 | { |
53b3f8f4 DL |
4397 | if (atomic_cmpxchg(&adev->in_gpu_reset, 0, 1) != 0) |
4398 | return false; | |
4399 | ||
08ebb485 DL |
4400 | if (hive) { |
4401 | down_write_nest_lock(&adev->reset_sem, &hive->hive_lock); | |
4402 | } else { | |
4403 | down_write(&adev->reset_sem); | |
4404 | } | |
5740682e | 4405 | |
26bc5340 | 4406 | atomic_inc(&adev->gpu_reset_counter); |
a3a09142 AD |
4407 | switch (amdgpu_asic_reset_method(adev)) { |
4408 | case AMD_RESET_METHOD_MODE1: | |
4409 | adev->mp1_state = PP_MP1_STATE_SHUTDOWN; | |
4410 | break; | |
4411 | case AMD_RESET_METHOD_MODE2: | |
4412 | adev->mp1_state = PP_MP1_STATE_RESET; | |
4413 | break; | |
4414 | default: | |
4415 | adev->mp1_state = PP_MP1_STATE_NONE; | |
4416 | break; | |
4417 | } | |
1d721ed6 AG |
4418 | |
4419 | return true; | |
26bc5340 | 4420 | } |
d38ceaf9 | 4421 | |
26bc5340 AG |
4422 | static void amdgpu_device_unlock_adev(struct amdgpu_device *adev) |
4423 | { | |
89041940 | 4424 | amdgpu_vf_error_trans_all(adev); |
a3a09142 | 4425 | adev->mp1_state = PP_MP1_STATE_NONE; |
53b3f8f4 | 4426 | atomic_set(&adev->in_gpu_reset, 0); |
6049db43 | 4427 | up_write(&adev->reset_sem); |
26bc5340 AG |
4428 | } |
4429 | ||
3f12acc8 EQ |
4430 | static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev) |
4431 | { | |
4432 | struct pci_dev *p = NULL; | |
4433 | ||
4434 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
4435 | adev->pdev->bus->number, 1); | |
4436 | if (p) { | |
4437 | pm_runtime_enable(&(p->dev)); | |
4438 | pm_runtime_resume(&(p->dev)); | |
4439 | } | |
4440 | } | |
4441 | ||
4442 | static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev) | |
4443 | { | |
4444 | enum amd_reset_method reset_method; | |
4445 | struct pci_dev *p = NULL; | |
4446 | u64 expires; | |
4447 | ||
4448 | /* | |
4449 | * For now, only BACO and mode1 reset are confirmed | |
4450 | * to suffer the audio issue without proper suspended. | |
4451 | */ | |
4452 | reset_method = amdgpu_asic_reset_method(adev); | |
4453 | if ((reset_method != AMD_RESET_METHOD_BACO) && | |
4454 | (reset_method != AMD_RESET_METHOD_MODE1)) | |
4455 | return -EINVAL; | |
4456 | ||
4457 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
4458 | adev->pdev->bus->number, 1); | |
4459 | if (!p) | |
4460 | return -ENODEV; | |
4461 | ||
4462 | expires = pm_runtime_autosuspend_expiration(&(p->dev)); | |
4463 | if (!expires) | |
4464 | /* | |
4465 | * If we cannot get the audio device autosuspend delay, | |
4466 | * a fixed 4S interval will be used. Considering 3S is | |
4467 | * the audio controller default autosuspend delay setting. | |
4468 | * 4S used here is guaranteed to cover that. | |
4469 | */ | |
54b7feb9 | 4470 | expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC * 4ULL; |
3f12acc8 EQ |
4471 | |
4472 | while (!pm_runtime_status_suspended(&(p->dev))) { | |
4473 | if (!pm_runtime_suspend(&(p->dev))) | |
4474 | break; | |
4475 | ||
4476 | if (expires < ktime_get_mono_fast_ns()) { | |
4477 | dev_warn(adev->dev, "failed to suspend display audio\n"); | |
4478 | /* TODO: abort the succeeding gpu reset? */ | |
4479 | return -ETIMEDOUT; | |
4480 | } | |
4481 | } | |
4482 | ||
4483 | pm_runtime_disable(&(p->dev)); | |
4484 | ||
4485 | return 0; | |
4486 | } | |
4487 | ||
26bc5340 AG |
4488 | /** |
4489 | * amdgpu_device_gpu_recover - reset the asic and recover scheduler | |
4490 | * | |
982a820b | 4491 | * @adev: amdgpu_device pointer |
26bc5340 AG |
4492 | * @job: which job trigger hang |
4493 | * | |
4494 | * Attempt to reset the GPU if it has hung (all asics). | |
4495 | * Attempt to do soft-reset or full-reset and reinitialize Asic | |
4496 | * Returns 0 for success or an error on failure. | |
4497 | */ | |
4498 | ||
4499 | int amdgpu_device_gpu_recover(struct amdgpu_device *adev, | |
4500 | struct amdgpu_job *job) | |
4501 | { | |
1d721ed6 | 4502 | struct list_head device_list, *device_list_handle = NULL; |
7dd8c205 EQ |
4503 | bool need_full_reset = false; |
4504 | bool job_signaled = false; | |
26bc5340 | 4505 | struct amdgpu_hive_info *hive = NULL; |
26bc5340 | 4506 | struct amdgpu_device *tmp_adev = NULL; |
1d721ed6 | 4507 | int i, r = 0; |
bb5c7235 | 4508 | bool need_emergency_restart = false; |
3f12acc8 | 4509 | bool audio_suspended = false; |
26bc5340 | 4510 | |
bb5c7235 WS |
4511 | /** |
4512 | * Special case: RAS triggered and full reset isn't supported | |
4513 | */ | |
4514 | need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); | |
4515 | ||
d5ea093e AG |
4516 | /* |
4517 | * Flush RAM to disk so that after reboot | |
4518 | * the user can read log and see why the system rebooted. | |
4519 | */ | |
bb5c7235 | 4520 | if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) { |
d5ea093e AG |
4521 | DRM_WARN("Emergency reboot."); |
4522 | ||
4523 | ksys_sync_helper(); | |
4524 | emergency_restart(); | |
4525 | } | |
4526 | ||
b823821f | 4527 | dev_info(adev->dev, "GPU %s begin!\n", |
bb5c7235 | 4528 | need_emergency_restart ? "jobs stop":"reset"); |
26bc5340 AG |
4529 | |
4530 | /* | |
1d721ed6 AG |
4531 | * Here we trylock to avoid chain of resets executing from |
4532 | * either trigger by jobs on different adevs in XGMI hive or jobs on | |
4533 | * different schedulers for same device while this TO handler is running. | |
4534 | * We always reset all schedulers for device and all devices for XGMI | |
4535 | * hive so that should take care of them too. | |
26bc5340 | 4536 | */ |
d95e8e97 | 4537 | hive = amdgpu_get_xgmi_hive(adev); |
53b3f8f4 DL |
4538 | if (hive) { |
4539 | if (atomic_cmpxchg(&hive->in_reset, 0, 1) != 0) { | |
4540 | DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", | |
4541 | job ? job->base.id : -1, hive->hive_id); | |
d95e8e97 | 4542 | amdgpu_put_xgmi_hive(hive); |
53b3f8f4 DL |
4543 | return 0; |
4544 | } | |
4545 | mutex_lock(&hive->hive_lock); | |
1d721ed6 | 4546 | } |
26bc5340 | 4547 | |
9e94d22c EQ |
4548 | /* |
4549 | * Build list of devices to reset. | |
4550 | * In case we are in XGMI hive mode, resort the device list | |
4551 | * to put adev in the 1st position. | |
4552 | */ | |
4553 | INIT_LIST_HEAD(&device_list); | |
4554 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
4555 | if (!hive) | |
26bc5340 | 4556 | return -ENODEV; |
9e94d22c EQ |
4557 | if (!list_is_first(&adev->gmc.xgmi.head, &hive->device_list)) |
4558 | list_rotate_to_front(&adev->gmc.xgmi.head, &hive->device_list); | |
26bc5340 AG |
4559 | device_list_handle = &hive->device_list; |
4560 | } else { | |
4561 | list_add_tail(&adev->gmc.xgmi.head, &device_list); | |
4562 | device_list_handle = &device_list; | |
4563 | } | |
4564 | ||
1d721ed6 AG |
4565 | /* block all schedulers and reset given job's ring */ |
4566 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
08ebb485 | 4567 | if (!amdgpu_device_lock_adev(tmp_adev, hive)) { |
aac89168 | 4568 | dev_info(tmp_adev->dev, "Bailing on TDR for s_job:%llx, as another already in progress", |
9e94d22c | 4569 | job ? job->base.id : -1); |
cbfd17f7 DL |
4570 | r = 0; |
4571 | goto skip_recovery; | |
7c6e68c7 AG |
4572 | } |
4573 | ||
3f12acc8 EQ |
4574 | /* |
4575 | * Try to put the audio codec into suspend state | |
4576 | * before gpu reset started. | |
4577 | * | |
4578 | * Due to the power domain of the graphics device | |
4579 | * is shared with AZ power domain. Without this, | |
4580 | * we may change the audio hardware from behind | |
4581 | * the audio driver's back. That will trigger | |
4582 | * some audio codec errors. | |
4583 | */ | |
4584 | if (!amdgpu_device_suspend_display_audio(tmp_adev)) | |
4585 | audio_suspended = true; | |
4586 | ||
9e94d22c EQ |
4587 | amdgpu_ras_set_error_query_ready(tmp_adev, false); |
4588 | ||
52fb44cf EQ |
4589 | cancel_delayed_work_sync(&tmp_adev->delayed_init_work); |
4590 | ||
9e94d22c EQ |
4591 | if (!amdgpu_sriov_vf(tmp_adev)) |
4592 | amdgpu_amdkfd_pre_reset(tmp_adev); | |
4593 | ||
12ffa55d AG |
4594 | /* |
4595 | * Mark these ASICs to be reseted as untracked first | |
4596 | * And add them back after reset completed | |
4597 | */ | |
4598 | amdgpu_unregister_gpu_instance(tmp_adev); | |
4599 | ||
a2f63ee8 | 4600 | amdgpu_fbdev_set_suspend(tmp_adev, 1); |
565d1941 | 4601 | |
f1c1314b | 4602 | /* disable ras on ALL IPs */ |
bb5c7235 | 4603 | if (!need_emergency_restart && |
b823821f | 4604 | amdgpu_device_ip_need_full_reset(tmp_adev)) |
f1c1314b | 4605 | amdgpu_ras_suspend(tmp_adev); |
4606 | ||
1d721ed6 AG |
4607 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4608 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
4609 | ||
4610 | if (!ring || !ring->sched.thread) | |
4611 | continue; | |
4612 | ||
0b2d2c2e | 4613 | drm_sched_stop(&ring->sched, job ? &job->base : NULL); |
7c6e68c7 | 4614 | |
bb5c7235 | 4615 | if (need_emergency_restart) |
7c6e68c7 | 4616 | amdgpu_job_stop_all_jobs_on_sched(&ring->sched); |
1d721ed6 AG |
4617 | } |
4618 | } | |
4619 | ||
bb5c7235 | 4620 | if (need_emergency_restart) |
7c6e68c7 AG |
4621 | goto skip_sched_resume; |
4622 | ||
1d721ed6 AG |
4623 | /* |
4624 | * Must check guilty signal here since after this point all old | |
4625 | * HW fences are force signaled. | |
4626 | * | |
4627 | * job->base holds a reference to parent fence | |
4628 | */ | |
4629 | if (job && job->base.s_fence->parent && | |
7dd8c205 | 4630 | dma_fence_is_signaled(job->base.s_fence->parent)) { |
1d721ed6 | 4631 | job_signaled = true; |
1d721ed6 AG |
4632 | dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); |
4633 | goto skip_hw_reset; | |
4634 | } | |
4635 | ||
26bc5340 AG |
4636 | retry: /* Rest of adevs pre asic reset from XGMI hive. */ |
4637 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
26bc5340 | 4638 | r = amdgpu_device_pre_asic_reset(tmp_adev, |
ded08454 | 4639 | (tmp_adev == adev) ? job : NULL, |
26bc5340 AG |
4640 | &need_full_reset); |
4641 | /*TODO Should we stop ?*/ | |
4642 | if (r) { | |
aac89168 | 4643 | dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ", |
4a580877 | 4644 | r, adev_to_drm(tmp_adev)->unique); |
26bc5340 AG |
4645 | tmp_adev->asic_reset_res = r; |
4646 | } | |
4647 | } | |
4648 | ||
4649 | /* Actual ASIC resets if needed.*/ | |
4650 | /* TODO Implement XGMI hive reset logic for SRIOV */ | |
4651 | if (amdgpu_sriov_vf(adev)) { | |
4652 | r = amdgpu_device_reset_sriov(adev, job ? false : true); | |
4653 | if (r) | |
4654 | adev->asic_reset_res = r; | |
4655 | } else { | |
7ac71382 | 4656 | r = amdgpu_do_asic_reset(hive, device_list_handle, &need_full_reset, false); |
26bc5340 AG |
4657 | if (r && r == -EAGAIN) |
4658 | goto retry; | |
4659 | } | |
4660 | ||
1d721ed6 AG |
4661 | skip_hw_reset: |
4662 | ||
26bc5340 AG |
4663 | /* Post ASIC reset for all devs .*/ |
4664 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
7c6e68c7 | 4665 | |
1d721ed6 AG |
4666 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4667 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
4668 | ||
4669 | if (!ring || !ring->sched.thread) | |
4670 | continue; | |
4671 | ||
4672 | /* No point to resubmit jobs if we didn't HW reset*/ | |
4673 | if (!tmp_adev->asic_reset_res && !job_signaled) | |
4674 | drm_sched_resubmit_jobs(&ring->sched); | |
4675 | ||
4676 | drm_sched_start(&ring->sched, !tmp_adev->asic_reset_res); | |
4677 | } | |
4678 | ||
4679 | if (!amdgpu_device_has_dc_support(tmp_adev) && !job_signaled) { | |
4a580877 | 4680 | drm_helper_resume_force_mode(adev_to_drm(tmp_adev)); |
1d721ed6 AG |
4681 | } |
4682 | ||
4683 | tmp_adev->asic_reset_res = 0; | |
26bc5340 AG |
4684 | |
4685 | if (r) { | |
4686 | /* bad news, how to tell it to userspace ? */ | |
12ffa55d | 4687 | dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 AG |
4688 | amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
4689 | } else { | |
12ffa55d | 4690 | dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 | 4691 | } |
7c6e68c7 | 4692 | } |
26bc5340 | 4693 | |
7c6e68c7 AG |
4694 | skip_sched_resume: |
4695 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
4696 | /*unlock kfd: SRIOV would do it separately */ | |
bb5c7235 | 4697 | if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)) |
7c6e68c7 | 4698 | amdgpu_amdkfd_post_reset(tmp_adev); |
3f12acc8 EQ |
4699 | if (audio_suspended) |
4700 | amdgpu_device_resume_display_audio(tmp_adev); | |
26bc5340 AG |
4701 | amdgpu_device_unlock_adev(tmp_adev); |
4702 | } | |
4703 | ||
cbfd17f7 | 4704 | skip_recovery: |
9e94d22c | 4705 | if (hive) { |
53b3f8f4 | 4706 | atomic_set(&hive->in_reset, 0); |
9e94d22c | 4707 | mutex_unlock(&hive->hive_lock); |
d95e8e97 | 4708 | amdgpu_put_xgmi_hive(hive); |
9e94d22c | 4709 | } |
26bc5340 AG |
4710 | |
4711 | if (r) | |
4712 | dev_info(adev->dev, "GPU reset end with ret = %d\n", r); | |
d38ceaf9 AD |
4713 | return r; |
4714 | } | |
4715 | ||
e3ecdffa AD |
4716 | /** |
4717 | * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot | |
4718 | * | |
4719 | * @adev: amdgpu_device pointer | |
4720 | * | |
4721 | * Fetchs and stores in the driver the PCIE capabilities (gen speed | |
4722 | * and lanes) of the slot the device is in. Handles APUs and | |
4723 | * virtualized environments where PCIE config space may not be available. | |
4724 | */ | |
5494d864 | 4725 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) |
d0dd7f0c | 4726 | { |
5d9a6330 | 4727 | struct pci_dev *pdev; |
c5313457 HK |
4728 | enum pci_bus_speed speed_cap, platform_speed_cap; |
4729 | enum pcie_link_width platform_link_width; | |
d0dd7f0c | 4730 | |
cd474ba0 AD |
4731 | if (amdgpu_pcie_gen_cap) |
4732 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 4733 | |
cd474ba0 AD |
4734 | if (amdgpu_pcie_lane_cap) |
4735 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 4736 | |
cd474ba0 AD |
4737 | /* covers APUs as well */ |
4738 | if (pci_is_root_bus(adev->pdev->bus)) { | |
4739 | if (adev->pm.pcie_gen_mask == 0) | |
4740 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
4741 | if (adev->pm.pcie_mlw_mask == 0) | |
4742 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 4743 | return; |
cd474ba0 | 4744 | } |
d0dd7f0c | 4745 | |
c5313457 HK |
4746 | if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) |
4747 | return; | |
4748 | ||
dbaa922b AD |
4749 | pcie_bandwidth_available(adev->pdev, NULL, |
4750 | &platform_speed_cap, &platform_link_width); | |
c5313457 | 4751 | |
cd474ba0 | 4752 | if (adev->pm.pcie_gen_mask == 0) { |
5d9a6330 AD |
4753 | /* asic caps */ |
4754 | pdev = adev->pdev; | |
4755 | speed_cap = pcie_get_speed_cap(pdev); | |
4756 | if (speed_cap == PCI_SPEED_UNKNOWN) { | |
4757 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
cd474ba0 AD |
4758 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | |
4759 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
cd474ba0 | 4760 | } else { |
5d9a6330 AD |
4761 | if (speed_cap == PCIE_SPEED_16_0GT) |
4762 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4763 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4764 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
4765 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
4766 | else if (speed_cap == PCIE_SPEED_8_0GT) | |
4767 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4768 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4769 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
4770 | else if (speed_cap == PCIE_SPEED_5_0GT) | |
4771 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4772 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4773 | else | |
4774 | adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
4775 | } | |
4776 | /* platform caps */ | |
c5313457 | 4777 | if (platform_speed_cap == PCI_SPEED_UNKNOWN) { |
5d9a6330 AD |
4778 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4779 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4780 | } else { | |
c5313457 | 4781 | if (platform_speed_cap == PCIE_SPEED_16_0GT) |
5d9a6330 AD |
4782 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4783 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4784 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
4785 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
c5313457 | 4786 | else if (platform_speed_cap == PCIE_SPEED_8_0GT) |
5d9a6330 AD |
4787 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4788 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4789 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
c5313457 | 4790 | else if (platform_speed_cap == PCIE_SPEED_5_0GT) |
5d9a6330 AD |
4791 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4792 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4793 | else | |
4794 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
4795 | ||
cd474ba0 AD |
4796 | } |
4797 | } | |
4798 | if (adev->pm.pcie_mlw_mask == 0) { | |
c5313457 | 4799 | if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { |
5d9a6330 AD |
4800 | adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; |
4801 | } else { | |
c5313457 | 4802 | switch (platform_link_width) { |
5d9a6330 | 4803 | case PCIE_LNK_X32: |
cd474ba0 AD |
4804 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | |
4805 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
4806 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
4807 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4808 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4809 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4810 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4811 | break; | |
5d9a6330 | 4812 | case PCIE_LNK_X16: |
cd474ba0 AD |
4813 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | |
4814 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
4815 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4816 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4817 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4818 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4819 | break; | |
5d9a6330 | 4820 | case PCIE_LNK_X12: |
cd474ba0 AD |
4821 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | |
4822 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4823 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4824 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4825 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4826 | break; | |
5d9a6330 | 4827 | case PCIE_LNK_X8: |
cd474ba0 AD |
4828 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | |
4829 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4830 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4831 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4832 | break; | |
5d9a6330 | 4833 | case PCIE_LNK_X4: |
cd474ba0 AD |
4834 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | |
4835 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4836 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4837 | break; | |
5d9a6330 | 4838 | case PCIE_LNK_X2: |
cd474ba0 AD |
4839 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | |
4840 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4841 | break; | |
5d9a6330 | 4842 | case PCIE_LNK_X1: |
cd474ba0 AD |
4843 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; |
4844 | break; | |
4845 | default: | |
4846 | break; | |
4847 | } | |
d0dd7f0c AD |
4848 | } |
4849 | } | |
4850 | } | |
d38ceaf9 | 4851 | |
361dbd01 AD |
4852 | int amdgpu_device_baco_enter(struct drm_device *dev) |
4853 | { | |
1348969a | 4854 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 4855 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
361dbd01 | 4856 | |
4a580877 | 4857 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
4858 | return -ENOTSUPP; |
4859 | ||
7a22677b LM |
4860 | if (ras && ras->supported) |
4861 | adev->nbio.funcs->enable_doorbell_interrupt(adev, false); | |
4862 | ||
9530273e | 4863 | return amdgpu_dpm_baco_enter(adev); |
361dbd01 AD |
4864 | } |
4865 | ||
4866 | int amdgpu_device_baco_exit(struct drm_device *dev) | |
4867 | { | |
1348969a | 4868 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 4869 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
9530273e | 4870 | int ret = 0; |
361dbd01 | 4871 | |
4a580877 | 4872 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
4873 | return -ENOTSUPP; |
4874 | ||
9530273e EQ |
4875 | ret = amdgpu_dpm_baco_exit(adev); |
4876 | if (ret) | |
4877 | return ret; | |
7a22677b LM |
4878 | |
4879 | if (ras && ras->supported) | |
4880 | adev->nbio.funcs->enable_doorbell_interrupt(adev, true); | |
4881 | ||
4882 | return 0; | |
361dbd01 | 4883 | } |
c9a6b82f | 4884 | |
acd89fca AG |
4885 | static void amdgpu_cancel_all_tdr(struct amdgpu_device *adev) |
4886 | { | |
4887 | int i; | |
4888 | ||
4889 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4890 | struct amdgpu_ring *ring = adev->rings[i]; | |
4891 | ||
4892 | if (!ring || !ring->sched.thread) | |
4893 | continue; | |
4894 | ||
4895 | cancel_delayed_work_sync(&ring->sched.work_tdr); | |
4896 | } | |
4897 | } | |
4898 | ||
c9a6b82f AG |
4899 | /** |
4900 | * amdgpu_pci_error_detected - Called when a PCI error is detected. | |
4901 | * @pdev: PCI device struct | |
4902 | * @state: PCI channel state | |
4903 | * | |
4904 | * Description: Called when a PCI error is detected. | |
4905 | * | |
4906 | * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT. | |
4907 | */ | |
4908 | pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
4909 | { | |
4910 | struct drm_device *dev = pci_get_drvdata(pdev); | |
4911 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 4912 | int i; |
c9a6b82f AG |
4913 | |
4914 | DRM_INFO("PCI error: detected callback, state(%d)!!\n", state); | |
4915 | ||
6894305c AG |
4916 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
4917 | DRM_WARN("No support for XGMI hive yet..."); | |
4918 | return PCI_ERS_RESULT_DISCONNECT; | |
4919 | } | |
4920 | ||
c9a6b82f AG |
4921 | switch (state) { |
4922 | case pci_channel_io_normal: | |
4923 | return PCI_ERS_RESULT_CAN_RECOVER; | |
acd89fca AG |
4924 | /* Fatal error, prepare for slot reset */ |
4925 | case pci_channel_io_frozen: | |
4926 | /* | |
4927 | * Cancel and wait for all TDRs in progress if failing to | |
4928 | * set adev->in_gpu_reset in amdgpu_device_lock_adev | |
4929 | * | |
4930 | * Locking adev->reset_sem will prevent any external access | |
4931 | * to GPU during PCI error recovery | |
4932 | */ | |
4933 | while (!amdgpu_device_lock_adev(adev, NULL)) | |
4934 | amdgpu_cancel_all_tdr(adev); | |
4935 | ||
4936 | /* | |
4937 | * Block any work scheduling as we do for regular GPU reset | |
4938 | * for the duration of the recovery | |
4939 | */ | |
4940 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4941 | struct amdgpu_ring *ring = adev->rings[i]; | |
4942 | ||
4943 | if (!ring || !ring->sched.thread) | |
4944 | continue; | |
4945 | ||
4946 | drm_sched_stop(&ring->sched, NULL); | |
4947 | } | |
c9a6b82f AG |
4948 | return PCI_ERS_RESULT_NEED_RESET; |
4949 | case pci_channel_io_perm_failure: | |
4950 | /* Permanent error, prepare for device removal */ | |
4951 | return PCI_ERS_RESULT_DISCONNECT; | |
4952 | } | |
4953 | ||
4954 | return PCI_ERS_RESULT_NEED_RESET; | |
4955 | } | |
4956 | ||
4957 | /** | |
4958 | * amdgpu_pci_mmio_enabled - Enable MMIO and dump debug registers | |
4959 | * @pdev: pointer to PCI device | |
4960 | */ | |
4961 | pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev) | |
4962 | { | |
4963 | ||
4964 | DRM_INFO("PCI error: mmio enabled callback!!\n"); | |
4965 | ||
4966 | /* TODO - dump whatever for debugging purposes */ | |
4967 | ||
4968 | /* This called only if amdgpu_pci_error_detected returns | |
4969 | * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still | |
4970 | * works, no need to reset slot. | |
4971 | */ | |
4972 | ||
4973 | return PCI_ERS_RESULT_RECOVERED; | |
4974 | } | |
4975 | ||
4976 | /** | |
4977 | * amdgpu_pci_slot_reset - Called when PCI slot has been reset. | |
4978 | * @pdev: PCI device struct | |
4979 | * | |
4980 | * Description: This routine is called by the pci error recovery | |
4981 | * code after the PCI slot has been reset, just before we | |
4982 | * should resume normal operations. | |
4983 | */ | |
4984 | pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) | |
4985 | { | |
4986 | struct drm_device *dev = pci_get_drvdata(pdev); | |
4987 | struct amdgpu_device *adev = drm_to_adev(dev); | |
362c7b91 | 4988 | int r, i; |
7ac71382 | 4989 | bool need_full_reset = true; |
362c7b91 | 4990 | u32 memsize; |
7ac71382 | 4991 | struct list_head device_list; |
c9a6b82f AG |
4992 | |
4993 | DRM_INFO("PCI error: slot reset callback!!\n"); | |
4994 | ||
7ac71382 AG |
4995 | INIT_LIST_HEAD(&device_list); |
4996 | list_add_tail(&adev->gmc.xgmi.head, &device_list); | |
4997 | ||
362c7b91 AG |
4998 | /* wait for asic to come out of reset */ |
4999 | msleep(500); | |
5000 | ||
7ac71382 | 5001 | /* Restore PCI confspace */ |
c1dd4aa6 | 5002 | amdgpu_device_load_pci_state(pdev); |
c9a6b82f | 5003 | |
362c7b91 AG |
5004 | /* confirm ASIC came out of reset */ |
5005 | for (i = 0; i < adev->usec_timeout; i++) { | |
5006 | memsize = amdgpu_asic_get_config_memsize(adev); | |
5007 | ||
5008 | if (memsize != 0xffffffff) | |
5009 | break; | |
5010 | udelay(1); | |
5011 | } | |
5012 | if (memsize == 0xffffffff) { | |
5013 | r = -ETIME; | |
5014 | goto out; | |
5015 | } | |
5016 | ||
362c7b91 | 5017 | adev->in_pci_err_recovery = true; |
7ac71382 | 5018 | r = amdgpu_device_pre_asic_reset(adev, NULL, &need_full_reset); |
bf36b52e | 5019 | adev->in_pci_err_recovery = false; |
c9a6b82f AG |
5020 | if (r) |
5021 | goto out; | |
5022 | ||
7ac71382 | 5023 | r = amdgpu_do_asic_reset(NULL, &device_list, &need_full_reset, true); |
c9a6b82f AG |
5024 | |
5025 | out: | |
c9a6b82f | 5026 | if (!r) { |
c1dd4aa6 AG |
5027 | if (amdgpu_device_cache_pci_state(adev->pdev)) |
5028 | pci_restore_state(adev->pdev); | |
5029 | ||
c9a6b82f AG |
5030 | DRM_INFO("PCIe error recovery succeeded\n"); |
5031 | } else { | |
5032 | DRM_ERROR("PCIe error recovery failed, err:%d", r); | |
5033 | amdgpu_device_unlock_adev(adev); | |
5034 | } | |
5035 | ||
5036 | return r ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
5037 | } | |
5038 | ||
5039 | /** | |
5040 | * amdgpu_pci_resume() - resume normal ops after PCI reset | |
5041 | * @pdev: pointer to PCI device | |
5042 | * | |
5043 | * Called when the error recovery driver tells us that its | |
5044 | * OK to resume normal operation. Use completion to allow | |
5045 | * halted scsi ops to resume. | |
5046 | */ | |
5047 | void amdgpu_pci_resume(struct pci_dev *pdev) | |
5048 | { | |
5049 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5050 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 5051 | int i; |
c9a6b82f | 5052 | |
c9a6b82f AG |
5053 | |
5054 | DRM_INFO("PCI error: resume callback!!\n"); | |
acd89fca AG |
5055 | |
5056 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
5057 | struct amdgpu_ring *ring = adev->rings[i]; | |
5058 | ||
5059 | if (!ring || !ring->sched.thread) | |
5060 | continue; | |
5061 | ||
5062 | ||
5063 | drm_sched_resubmit_jobs(&ring->sched); | |
5064 | drm_sched_start(&ring->sched, true); | |
5065 | } | |
5066 | ||
5067 | amdgpu_device_unlock_adev(adev); | |
c9a6b82f | 5068 | } |
c1dd4aa6 AG |
5069 | |
5070 | bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) | |
5071 | { | |
5072 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5073 | struct amdgpu_device *adev = drm_to_adev(dev); | |
5074 | int r; | |
5075 | ||
5076 | r = pci_save_state(pdev); | |
5077 | if (!r) { | |
5078 | kfree(adev->pci_state); | |
5079 | ||
5080 | adev->pci_state = pci_store_saved_state(pdev); | |
5081 | ||
5082 | if (!adev->pci_state) { | |
5083 | DRM_ERROR("Failed to store PCI saved state"); | |
5084 | return false; | |
5085 | } | |
5086 | } else { | |
5087 | DRM_WARN("Failed to save PCI state, err:%d\n", r); | |
5088 | return false; | |
5089 | } | |
5090 | ||
5091 | return true; | |
5092 | } | |
5093 | ||
5094 | bool amdgpu_device_load_pci_state(struct pci_dev *pdev) | |
5095 | { | |
5096 | struct drm_device *dev = pci_get_drvdata(pdev); | |
5097 | struct amdgpu_device *adev = drm_to_adev(dev); | |
5098 | int r; | |
5099 | ||
5100 | if (!adev->pci_state) | |
5101 | return false; | |
5102 | ||
5103 | r = pci_load_saved_state(pdev, adev->pci_state); | |
5104 | ||
5105 | if (!r) { | |
5106 | pci_restore_state(pdev); | |
5107 | } else { | |
5108 | DRM_WARN("Failed to load PCI state, err:%d\n", r); | |
5109 | return false; | |
5110 | } | |
5111 | ||
5112 | return true; | |
5113 | } | |
5114 | ||
5115 |