Commit | Line | Data |
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d38ceaf9 AD |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
b1ddf548 | 28 | #include <linux/power_supply.h> |
0875dc9e | 29 | #include <linux/kthread.h> |
d38ceaf9 AD |
30 | #include <linux/console.h> |
31 | #include <linux/slab.h> | |
d38ceaf9 | 32 | #include <drm/drmP.h> |
4562236b | 33 | #include <drm/drm_atomic_helper.h> |
fcd70cd3 | 34 | #include <drm/drm_probe_helper.h> |
d38ceaf9 AD |
35 | #include <drm/amdgpu_drm.h> |
36 | #include <linux/vgaarb.h> | |
37 | #include <linux/vga_switcheroo.h> | |
38 | #include <linux/efi.h> | |
39 | #include "amdgpu.h" | |
f4b373f4 | 40 | #include "amdgpu_trace.h" |
d38ceaf9 AD |
41 | #include "amdgpu_i2c.h" |
42 | #include "atom.h" | |
43 | #include "amdgpu_atombios.h" | |
a5bde2f9 | 44 | #include "amdgpu_atomfirmware.h" |
d0dd7f0c | 45 | #include "amd_pcie.h" |
33f34802 KW |
46 | #ifdef CONFIG_DRM_AMDGPU_SI |
47 | #include "si.h" | |
48 | #endif | |
a2e73f56 AD |
49 | #ifdef CONFIG_DRM_AMDGPU_CIK |
50 | #include "cik.h" | |
51 | #endif | |
aaa36a97 | 52 | #include "vi.h" |
460826e6 | 53 | #include "soc15.h" |
d38ceaf9 | 54 | #include "bif/bif_4_1_d.h" |
9accf2fd | 55 | #include <linux/pci.h> |
bec86378 | 56 | #include <linux/firmware.h> |
89041940 | 57 | #include "amdgpu_vf_error.h" |
d38ceaf9 | 58 | |
ba997709 | 59 | #include "amdgpu_amdkfd.h" |
d2f52ac8 | 60 | #include "amdgpu_pm.h" |
d38ceaf9 | 61 | |
5183411b | 62 | #include "amdgpu_xgmi.h" |
c030f2e4 | 63 | #include "amdgpu_ras.h" |
9c7c85f7 | 64 | #include "amdgpu_pmu.h" |
5183411b | 65 | |
e2a75f88 | 66 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
3f76dced | 67 | MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); |
2d2e5e7e | 68 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
ad5a67a7 | 69 | MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); |
54c4d17e | 70 | MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); |
23c6268e | 71 | MODULE_FIRMWARE("amdgpu/navi10_gpu_info.bin"); |
e2a75f88 | 72 | |
2dc80b00 S |
73 | #define AMDGPU_RESUME_MS 2000 |
74 | ||
d38ceaf9 | 75 | static const char *amdgpu_asic_name[] = { |
da69c161 KW |
76 | "TAHITI", |
77 | "PITCAIRN", | |
78 | "VERDE", | |
79 | "OLAND", | |
80 | "HAINAN", | |
d38ceaf9 AD |
81 | "BONAIRE", |
82 | "KAVERI", | |
83 | "KABINI", | |
84 | "HAWAII", | |
85 | "MULLINS", | |
86 | "TOPAZ", | |
87 | "TONGA", | |
48299f95 | 88 | "FIJI", |
d38ceaf9 | 89 | "CARRIZO", |
139f4917 | 90 | "STONEY", |
2cc0c0b5 FC |
91 | "POLARIS10", |
92 | "POLARIS11", | |
c4642a47 | 93 | "POLARIS12", |
48ff108d | 94 | "VEGAM", |
d4196f01 | 95 | "VEGA10", |
8fab806a | 96 | "VEGA12", |
956fcddc | 97 | "VEGA20", |
2ca8a5d2 | 98 | "RAVEN", |
852a6626 | 99 | "NAVI10", |
d38ceaf9 AD |
100 | "LAST", |
101 | }; | |
102 | ||
dcea6e65 KR |
103 | /** |
104 | * DOC: pcie_replay_count | |
105 | * | |
106 | * The amdgpu driver provides a sysfs API for reporting the total number | |
107 | * of PCIe replays (NAKs) | |
108 | * The file pcie_replay_count is used for this and returns the total | |
109 | * number of replays as a sum of the NAKs generated and NAKs received | |
110 | */ | |
111 | ||
112 | static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, | |
113 | struct device_attribute *attr, char *buf) | |
114 | { | |
115 | struct drm_device *ddev = dev_get_drvdata(dev); | |
116 | struct amdgpu_device *adev = ddev->dev_private; | |
117 | uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); | |
118 | ||
119 | return snprintf(buf, PAGE_SIZE, "%llu\n", cnt); | |
120 | } | |
121 | ||
122 | static DEVICE_ATTR(pcie_replay_count, S_IRUGO, | |
123 | amdgpu_device_get_pcie_replay_count, NULL); | |
124 | ||
5494d864 AD |
125 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); |
126 | ||
e3ecdffa AD |
127 | /** |
128 | * amdgpu_device_is_px - Is the device is a dGPU with HG/PX power control | |
129 | * | |
130 | * @dev: drm_device pointer | |
131 | * | |
132 | * Returns true if the device is a dGPU with HG/PX power control, | |
133 | * otherwise return false. | |
134 | */ | |
d38ceaf9 AD |
135 | bool amdgpu_device_is_px(struct drm_device *dev) |
136 | { | |
137 | struct amdgpu_device *adev = dev->dev_private; | |
138 | ||
2f7d10b3 | 139 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
140 | return true; |
141 | return false; | |
142 | } | |
143 | ||
144 | /* | |
145 | * MMIO register access helper functions. | |
146 | */ | |
e3ecdffa AD |
147 | /** |
148 | * amdgpu_mm_rreg - read a memory mapped IO register | |
149 | * | |
150 | * @adev: amdgpu_device pointer | |
151 | * @reg: dword aligned register offset | |
152 | * @acc_flags: access flags which require special behavior | |
153 | * | |
154 | * Returns the 32 bit value from the offset specified. | |
155 | */ | |
d38ceaf9 | 156 | uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, |
15d72fd7 | 157 | uint32_t acc_flags) |
d38ceaf9 | 158 | { |
f4b373f4 TSD |
159 | uint32_t ret; |
160 | ||
43ca8efa | 161 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) |
bc992ba5 | 162 | return amdgpu_virt_kiq_rreg(adev, reg); |
bc992ba5 | 163 | |
15d72fd7 | 164 | if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) |
f4b373f4 | 165 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); |
d38ceaf9 AD |
166 | else { |
167 | unsigned long flags; | |
d38ceaf9 AD |
168 | |
169 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
170 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
171 | ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
172 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
d38ceaf9 | 173 | } |
f4b373f4 TSD |
174 | trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret); |
175 | return ret; | |
d38ceaf9 AD |
176 | } |
177 | ||
421a2a30 ML |
178 | /* |
179 | * MMIO register read with bytes helper functions | |
180 | * @offset:bytes offset from MMIO start | |
181 | * | |
182 | */ | |
183 | ||
e3ecdffa AD |
184 | /** |
185 | * amdgpu_mm_rreg8 - read a memory mapped IO register | |
186 | * | |
187 | * @adev: amdgpu_device pointer | |
188 | * @offset: byte aligned register offset | |
189 | * | |
190 | * Returns the 8 bit value from the offset specified. | |
191 | */ | |
421a2a30 ML |
192 | uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) { |
193 | if (offset < adev->rmmio_size) | |
194 | return (readb(adev->rmmio + offset)); | |
195 | BUG(); | |
196 | } | |
197 | ||
198 | /* | |
199 | * MMIO register write with bytes helper functions | |
200 | * @offset:bytes offset from MMIO start | |
201 | * @value: the value want to be written to the register | |
202 | * | |
203 | */ | |
e3ecdffa AD |
204 | /** |
205 | * amdgpu_mm_wreg8 - read a memory mapped IO register | |
206 | * | |
207 | * @adev: amdgpu_device pointer | |
208 | * @offset: byte aligned register offset | |
209 | * @value: 8 bit value to write | |
210 | * | |
211 | * Writes the value specified to the offset specified. | |
212 | */ | |
421a2a30 ML |
213 | void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) { |
214 | if (offset < adev->rmmio_size) | |
215 | writeb(value, adev->rmmio + offset); | |
216 | else | |
217 | BUG(); | |
218 | } | |
219 | ||
e3ecdffa AD |
220 | /** |
221 | * amdgpu_mm_wreg - write to a memory mapped IO register | |
222 | * | |
223 | * @adev: amdgpu_device pointer | |
224 | * @reg: dword aligned register offset | |
225 | * @v: 32 bit value to write to the register | |
226 | * @acc_flags: access flags which require special behavior | |
227 | * | |
228 | * Writes the value specified to the offset specified. | |
229 | */ | |
d38ceaf9 | 230 | void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, |
15d72fd7 | 231 | uint32_t acc_flags) |
d38ceaf9 | 232 | { |
f4b373f4 | 233 | trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); |
4e99a44e | 234 | |
47ed4e1c KW |
235 | if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { |
236 | adev->last_mm_index = v; | |
237 | } | |
238 | ||
43ca8efa | 239 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) |
bc992ba5 | 240 | return amdgpu_virt_kiq_wreg(adev, reg, v); |
bc992ba5 | 241 | |
15d72fd7 | 242 | if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) |
d38ceaf9 AD |
243 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); |
244 | else { | |
245 | unsigned long flags; | |
246 | ||
247 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
248 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
249 | writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
250 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
251 | } | |
47ed4e1c KW |
252 | |
253 | if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { | |
254 | udelay(500); | |
255 | } | |
d38ceaf9 AD |
256 | } |
257 | ||
e3ecdffa AD |
258 | /** |
259 | * amdgpu_io_rreg - read an IO register | |
260 | * | |
261 | * @adev: amdgpu_device pointer | |
262 | * @reg: dword aligned register offset | |
263 | * | |
264 | * Returns the 32 bit value from the offset specified. | |
265 | */ | |
d38ceaf9 AD |
266 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) |
267 | { | |
268 | if ((reg * 4) < adev->rio_mem_size) | |
269 | return ioread32(adev->rio_mem + (reg * 4)); | |
270 | else { | |
271 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
272 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
273 | } | |
274 | } | |
275 | ||
e3ecdffa AD |
276 | /** |
277 | * amdgpu_io_wreg - write to an IO register | |
278 | * | |
279 | * @adev: amdgpu_device pointer | |
280 | * @reg: dword aligned register offset | |
281 | * @v: 32 bit value to write to the register | |
282 | * | |
283 | * Writes the value specified to the offset specified. | |
284 | */ | |
d38ceaf9 AD |
285 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) |
286 | { | |
47ed4e1c KW |
287 | if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { |
288 | adev->last_mm_index = v; | |
289 | } | |
d38ceaf9 AD |
290 | |
291 | if ((reg * 4) < adev->rio_mem_size) | |
292 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
293 | else { | |
294 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
295 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
296 | } | |
47ed4e1c KW |
297 | |
298 | if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { | |
299 | udelay(500); | |
300 | } | |
d38ceaf9 AD |
301 | } |
302 | ||
303 | /** | |
304 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
305 | * | |
306 | * @adev: amdgpu_device pointer | |
307 | * @index: doorbell index | |
308 | * | |
309 | * Returns the value in the doorbell aperture at the | |
310 | * requested doorbell index (CIK). | |
311 | */ | |
312 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
313 | { | |
314 | if (index < adev->doorbell.num_doorbells) { | |
315 | return readl(adev->doorbell.ptr + index); | |
316 | } else { | |
317 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
318 | return 0; | |
319 | } | |
320 | } | |
321 | ||
322 | /** | |
323 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
324 | * | |
325 | * @adev: amdgpu_device pointer | |
326 | * @index: doorbell index | |
327 | * @v: value to write | |
328 | * | |
329 | * Writes @v to the doorbell aperture at the | |
330 | * requested doorbell index (CIK). | |
331 | */ | |
332 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
333 | { | |
334 | if (index < adev->doorbell.num_doorbells) { | |
335 | writel(v, adev->doorbell.ptr + index); | |
336 | } else { | |
337 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
338 | } | |
339 | } | |
340 | ||
832be404 KW |
341 | /** |
342 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
343 | * | |
344 | * @adev: amdgpu_device pointer | |
345 | * @index: doorbell index | |
346 | * | |
347 | * Returns the value in the doorbell aperture at the | |
348 | * requested doorbell index (VEGA10+). | |
349 | */ | |
350 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
351 | { | |
352 | if (index < adev->doorbell.num_doorbells) { | |
353 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
354 | } else { | |
355 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
356 | return 0; | |
357 | } | |
358 | } | |
359 | ||
360 | /** | |
361 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
362 | * | |
363 | * @adev: amdgpu_device pointer | |
364 | * @index: doorbell index | |
365 | * @v: value to write | |
366 | * | |
367 | * Writes @v to the doorbell aperture at the | |
368 | * requested doorbell index (VEGA10+). | |
369 | */ | |
370 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
371 | { | |
372 | if (index < adev->doorbell.num_doorbells) { | |
373 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
374 | } else { | |
375 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
376 | } | |
377 | } | |
378 | ||
d38ceaf9 AD |
379 | /** |
380 | * amdgpu_invalid_rreg - dummy reg read function | |
381 | * | |
382 | * @adev: amdgpu device pointer | |
383 | * @reg: offset of register | |
384 | * | |
385 | * Dummy register read function. Used for register blocks | |
386 | * that certain asics don't have (all asics). | |
387 | * Returns the value in the register. | |
388 | */ | |
389 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
390 | { | |
391 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
392 | BUG(); | |
393 | return 0; | |
394 | } | |
395 | ||
396 | /** | |
397 | * amdgpu_invalid_wreg - dummy reg write function | |
398 | * | |
399 | * @adev: amdgpu device pointer | |
400 | * @reg: offset of register | |
401 | * @v: value to write to the register | |
402 | * | |
403 | * Dummy register read function. Used for register blocks | |
404 | * that certain asics don't have (all asics). | |
405 | */ | |
406 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
407 | { | |
408 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
409 | reg, v); | |
410 | BUG(); | |
411 | } | |
412 | ||
413 | /** | |
414 | * amdgpu_block_invalid_rreg - dummy reg read function | |
415 | * | |
416 | * @adev: amdgpu device pointer | |
417 | * @block: offset of instance | |
418 | * @reg: offset of register | |
419 | * | |
420 | * Dummy register read function. Used for register blocks | |
421 | * that certain asics don't have (all asics). | |
422 | * Returns the value in the register. | |
423 | */ | |
424 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
425 | uint32_t block, uint32_t reg) | |
426 | { | |
427 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
428 | reg, block); | |
429 | BUG(); | |
430 | return 0; | |
431 | } | |
432 | ||
433 | /** | |
434 | * amdgpu_block_invalid_wreg - dummy reg write function | |
435 | * | |
436 | * @adev: amdgpu device pointer | |
437 | * @block: offset of instance | |
438 | * @reg: offset of register | |
439 | * @v: value to write to the register | |
440 | * | |
441 | * Dummy register read function. Used for register blocks | |
442 | * that certain asics don't have (all asics). | |
443 | */ | |
444 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
445 | uint32_t block, | |
446 | uint32_t reg, uint32_t v) | |
447 | { | |
448 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
449 | reg, block, v); | |
450 | BUG(); | |
451 | } | |
452 | ||
e3ecdffa AD |
453 | /** |
454 | * amdgpu_device_vram_scratch_init - allocate the VRAM scratch page | |
455 | * | |
456 | * @adev: amdgpu device pointer | |
457 | * | |
458 | * Allocates a scratch page of VRAM for use by various things in the | |
459 | * driver. | |
460 | */ | |
06ec9070 | 461 | static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) |
d38ceaf9 | 462 | { |
a4a02777 CK |
463 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
464 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, | |
465 | &adev->vram_scratch.robj, | |
466 | &adev->vram_scratch.gpu_addr, | |
467 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
468 | } |
469 | ||
e3ecdffa AD |
470 | /** |
471 | * amdgpu_device_vram_scratch_fini - Free the VRAM scratch page | |
472 | * | |
473 | * @adev: amdgpu device pointer | |
474 | * | |
475 | * Frees the VRAM scratch page. | |
476 | */ | |
06ec9070 | 477 | static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev) |
d38ceaf9 | 478 | { |
078af1a3 | 479 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
480 | } |
481 | ||
482 | /** | |
9c3f2b54 | 483 | * amdgpu_device_program_register_sequence - program an array of registers. |
d38ceaf9 AD |
484 | * |
485 | * @adev: amdgpu_device pointer | |
486 | * @registers: pointer to the register array | |
487 | * @array_size: size of the register array | |
488 | * | |
489 | * Programs an array or registers with and and or masks. | |
490 | * This is a helper for setting golden registers. | |
491 | */ | |
9c3f2b54 AD |
492 | void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, |
493 | const u32 *registers, | |
494 | const u32 array_size) | |
d38ceaf9 AD |
495 | { |
496 | u32 tmp, reg, and_mask, or_mask; | |
497 | int i; | |
498 | ||
499 | if (array_size % 3) | |
500 | return; | |
501 | ||
502 | for (i = 0; i < array_size; i +=3) { | |
503 | reg = registers[i + 0]; | |
504 | and_mask = registers[i + 1]; | |
505 | or_mask = registers[i + 2]; | |
506 | ||
507 | if (and_mask == 0xffffffff) { | |
508 | tmp = or_mask; | |
509 | } else { | |
510 | tmp = RREG32(reg); | |
511 | tmp &= ~and_mask; | |
512 | tmp |= or_mask; | |
513 | } | |
514 | WREG32(reg, tmp); | |
515 | } | |
516 | } | |
517 | ||
e3ecdffa AD |
518 | /** |
519 | * amdgpu_device_pci_config_reset - reset the GPU | |
520 | * | |
521 | * @adev: amdgpu_device pointer | |
522 | * | |
523 | * Resets the GPU using the pci config reset sequence. | |
524 | * Only applicable to asics prior to vega10. | |
525 | */ | |
8111c387 | 526 | void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) |
d38ceaf9 AD |
527 | { |
528 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
529 | } | |
530 | ||
531 | /* | |
532 | * GPU doorbell aperture helpers function. | |
533 | */ | |
534 | /** | |
06ec9070 | 535 | * amdgpu_device_doorbell_init - Init doorbell driver information. |
d38ceaf9 AD |
536 | * |
537 | * @adev: amdgpu_device pointer | |
538 | * | |
539 | * Init doorbell driver information (CIK) | |
540 | * Returns 0 on success, error on failure. | |
541 | */ | |
06ec9070 | 542 | static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) |
d38ceaf9 | 543 | { |
6585661d | 544 | |
705e519e CK |
545 | /* No doorbell on SI hardware generation */ |
546 | if (adev->asic_type < CHIP_BONAIRE) { | |
547 | adev->doorbell.base = 0; | |
548 | adev->doorbell.size = 0; | |
549 | adev->doorbell.num_doorbells = 0; | |
550 | adev->doorbell.ptr = NULL; | |
551 | return 0; | |
552 | } | |
553 | ||
d6895ad3 CK |
554 | if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) |
555 | return -EINVAL; | |
556 | ||
22357775 AD |
557 | amdgpu_asic_init_doorbell_index(adev); |
558 | ||
d38ceaf9 AD |
559 | /* doorbell bar mapping */ |
560 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
561 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
562 | ||
edf600da | 563 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
9564f192 | 564 | adev->doorbell_index.max_assignment+1); |
d38ceaf9 AD |
565 | if (adev->doorbell.num_doorbells == 0) |
566 | return -EINVAL; | |
567 | ||
ec3db8a6 | 568 | /* For Vega, reserve and map two pages on doorbell BAR since SDMA |
88dc26e4 OZ |
569 | * paging queue doorbell use the second page. The |
570 | * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the | |
571 | * doorbells are in the first page. So with paging queue enabled, | |
572 | * the max num_doorbells should + 1 page (0x400 in dword) | |
ec3db8a6 PY |
573 | */ |
574 | if (adev->asic_type >= CHIP_VEGA10) | |
88dc26e4 | 575 | adev->doorbell.num_doorbells += 0x400; |
ec3db8a6 | 576 | |
8972e5d2 CK |
577 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
578 | adev->doorbell.num_doorbells * | |
579 | sizeof(u32)); | |
580 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 581 | return -ENOMEM; |
d38ceaf9 AD |
582 | |
583 | return 0; | |
584 | } | |
585 | ||
586 | /** | |
06ec9070 | 587 | * amdgpu_device_doorbell_fini - Tear down doorbell driver information. |
d38ceaf9 AD |
588 | * |
589 | * @adev: amdgpu_device pointer | |
590 | * | |
591 | * Tear down doorbell driver information (CIK) | |
592 | */ | |
06ec9070 | 593 | static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
594 | { |
595 | iounmap(adev->doorbell.ptr); | |
596 | adev->doorbell.ptr = NULL; | |
597 | } | |
598 | ||
22cb0164 | 599 | |
d38ceaf9 AD |
600 | |
601 | /* | |
06ec9070 | 602 | * amdgpu_device_wb_*() |
455a7bc2 | 603 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 604 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
605 | */ |
606 | ||
607 | /** | |
06ec9070 | 608 | * amdgpu_device_wb_fini - Disable Writeback and free memory |
d38ceaf9 AD |
609 | * |
610 | * @adev: amdgpu_device pointer | |
611 | * | |
612 | * Disables Writeback and frees the Writeback memory (all asics). | |
613 | * Used at driver shutdown. | |
614 | */ | |
06ec9070 | 615 | static void amdgpu_device_wb_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
616 | { |
617 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
618 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
619 | &adev->wb.gpu_addr, | |
620 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
621 | adev->wb.wb_obj = NULL; |
622 | } | |
623 | } | |
624 | ||
625 | /** | |
06ec9070 | 626 | * amdgpu_device_wb_init- Init Writeback driver info and allocate memory |
d38ceaf9 AD |
627 | * |
628 | * @adev: amdgpu_device pointer | |
629 | * | |
455a7bc2 | 630 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
631 | * Used at driver startup. |
632 | * Returns 0 on success or an -error on failure. | |
633 | */ | |
06ec9070 | 634 | static int amdgpu_device_wb_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
635 | { |
636 | int r; | |
637 | ||
638 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
639 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
640 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
641 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
642 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
643 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
644 | if (r) { |
645 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
646 | return r; | |
647 | } | |
d38ceaf9 AD |
648 | |
649 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
650 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
651 | ||
652 | /* clear wb memory */ | |
73469585 | 653 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8); |
d38ceaf9 AD |
654 | } |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
659 | /** | |
131b4b36 | 660 | * amdgpu_device_wb_get - Allocate a wb entry |
d38ceaf9 AD |
661 | * |
662 | * @adev: amdgpu_device pointer | |
663 | * @wb: wb index | |
664 | * | |
665 | * Allocate a wb slot for use by the driver (all asics). | |
666 | * Returns 0 on success or -EINVAL on failure. | |
667 | */ | |
131b4b36 | 668 | int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) |
d38ceaf9 AD |
669 | { |
670 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 671 | |
97407b63 | 672 | if (offset < adev->wb.num_wb) { |
7014285a | 673 | __set_bit(offset, adev->wb.used); |
63ae07ca | 674 | *wb = offset << 3; /* convert to dw offset */ |
0915fdbc ML |
675 | return 0; |
676 | } else { | |
677 | return -EINVAL; | |
678 | } | |
679 | } | |
680 | ||
d38ceaf9 | 681 | /** |
131b4b36 | 682 | * amdgpu_device_wb_free - Free a wb entry |
d38ceaf9 AD |
683 | * |
684 | * @adev: amdgpu_device pointer | |
685 | * @wb: wb index | |
686 | * | |
687 | * Free a wb slot allocated for use by the driver (all asics) | |
688 | */ | |
131b4b36 | 689 | void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) |
d38ceaf9 | 690 | { |
73469585 | 691 | wb >>= 3; |
d38ceaf9 | 692 | if (wb < adev->wb.num_wb) |
73469585 | 693 | __clear_bit(wb, adev->wb.used); |
d38ceaf9 AD |
694 | } |
695 | ||
d6895ad3 CK |
696 | /** |
697 | * amdgpu_device_resize_fb_bar - try to resize FB BAR | |
698 | * | |
699 | * @adev: amdgpu_device pointer | |
700 | * | |
701 | * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not | |
702 | * to fail, but if any of the BARs is not accessible after the size we abort | |
703 | * driver loading by returning -ENODEV. | |
704 | */ | |
705 | int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) | |
706 | { | |
770d13b1 | 707 | u64 space_needed = roundup_pow_of_two(adev->gmc.real_vram_size); |
d6895ad3 | 708 | u32 rbar_size = order_base_2(((space_needed >> 20) | 1)) - 1; |
31b8adab CK |
709 | struct pci_bus *root; |
710 | struct resource *res; | |
711 | unsigned i; | |
d6895ad3 CK |
712 | u16 cmd; |
713 | int r; | |
714 | ||
0c03b912 | 715 | /* Bypass for VF */ |
716 | if (amdgpu_sriov_vf(adev)) | |
717 | return 0; | |
718 | ||
31b8adab CK |
719 | /* Check if the root BUS has 64bit memory resources */ |
720 | root = adev->pdev->bus; | |
721 | while (root->parent) | |
722 | root = root->parent; | |
723 | ||
724 | pci_bus_for_each_resource(root, res, i) { | |
0ebb7c54 | 725 | if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && |
31b8adab CK |
726 | res->start > 0x100000000ull) |
727 | break; | |
728 | } | |
729 | ||
730 | /* Trying to resize is pointless without a root hub window above 4GB */ | |
731 | if (!res) | |
732 | return 0; | |
733 | ||
d6895ad3 CK |
734 | /* Disable memory decoding while we change the BAR addresses and size */ |
735 | pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); | |
736 | pci_write_config_word(adev->pdev, PCI_COMMAND, | |
737 | cmd & ~PCI_COMMAND_MEMORY); | |
738 | ||
739 | /* Free the VRAM and doorbell BAR, we most likely need to move both. */ | |
06ec9070 | 740 | amdgpu_device_doorbell_fini(adev); |
d6895ad3 CK |
741 | if (adev->asic_type >= CHIP_BONAIRE) |
742 | pci_release_resource(adev->pdev, 2); | |
743 | ||
744 | pci_release_resource(adev->pdev, 0); | |
745 | ||
746 | r = pci_resize_resource(adev->pdev, 0, rbar_size); | |
747 | if (r == -ENOSPC) | |
748 | DRM_INFO("Not enough PCI address space for a large BAR."); | |
749 | else if (r && r != -ENOTSUPP) | |
750 | DRM_ERROR("Problem resizing BAR0 (%d).", r); | |
751 | ||
752 | pci_assign_unassigned_bus_resources(adev->pdev->bus); | |
753 | ||
754 | /* When the doorbell or fb BAR isn't available we have no chance of | |
755 | * using the device. | |
756 | */ | |
06ec9070 | 757 | r = amdgpu_device_doorbell_init(adev); |
d6895ad3 CK |
758 | if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) |
759 | return -ENODEV; | |
760 | ||
761 | pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); | |
762 | ||
763 | return 0; | |
764 | } | |
a05502e5 | 765 | |
d38ceaf9 AD |
766 | /* |
767 | * GPU helpers function. | |
768 | */ | |
769 | /** | |
39c640c0 | 770 | * amdgpu_device_need_post - check if the hw need post or not |
d38ceaf9 AD |
771 | * |
772 | * @adev: amdgpu_device pointer | |
773 | * | |
c836fec5 JQ |
774 | * Check if the asic has been initialized (all asics) at driver startup |
775 | * or post is needed if hw reset is performed. | |
776 | * Returns true if need or false if not. | |
d38ceaf9 | 777 | */ |
39c640c0 | 778 | bool amdgpu_device_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
779 | { |
780 | uint32_t reg; | |
781 | ||
bec86378 ML |
782 | if (amdgpu_sriov_vf(adev)) |
783 | return false; | |
784 | ||
785 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
786 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
787 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
788 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
789 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
790 | */ |
791 | if (adev->asic_type == CHIP_FIJI) { | |
792 | int err; | |
793 | uint32_t fw_ver; | |
794 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
795 | /* force vPost if error occured */ | |
796 | if (err) | |
797 | return true; | |
798 | ||
799 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
800 | if (fw_ver < 0x00160e00) |
801 | return true; | |
bec86378 | 802 | } |
bec86378 | 803 | } |
91fe77eb | 804 | |
805 | if (adev->has_hw_reset) { | |
806 | adev->has_hw_reset = false; | |
807 | return true; | |
808 | } | |
809 | ||
810 | /* bios scratch used on CIK+ */ | |
811 | if (adev->asic_type >= CHIP_BONAIRE) | |
812 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
813 | ||
814 | /* check MEM_SIZE for older asics */ | |
815 | reg = amdgpu_asic_get_config_memsize(adev); | |
816 | ||
817 | if ((reg != 0) && (reg != 0xffffffff)) | |
818 | return false; | |
819 | ||
820 | return true; | |
bec86378 ML |
821 | } |
822 | ||
d38ceaf9 AD |
823 | /* if we get transitioned to only one device, take VGA back */ |
824 | /** | |
06ec9070 | 825 | * amdgpu_device_vga_set_decode - enable/disable vga decode |
d38ceaf9 AD |
826 | * |
827 | * @cookie: amdgpu_device pointer | |
828 | * @state: enable/disable vga decode | |
829 | * | |
830 | * Enable/disable vga decode (all asics). | |
831 | * Returns VGA resource flags. | |
832 | */ | |
06ec9070 | 833 | static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state) |
d38ceaf9 AD |
834 | { |
835 | struct amdgpu_device *adev = cookie; | |
836 | amdgpu_asic_set_vga_state(adev, state); | |
837 | if (state) | |
838 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
839 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
840 | else | |
841 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
842 | } | |
843 | ||
e3ecdffa AD |
844 | /** |
845 | * amdgpu_device_check_block_size - validate the vm block size | |
846 | * | |
847 | * @adev: amdgpu_device pointer | |
848 | * | |
849 | * Validates the vm block size specified via module parameter. | |
850 | * The vm block size defines number of bits in page table versus page directory, | |
851 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
852 | * page table and the remaining bits are in the page directory. | |
853 | */ | |
06ec9070 | 854 | static void amdgpu_device_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
855 | { |
856 | /* defines number of bits in page table versus page directory, | |
857 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
858 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
859 | if (amdgpu_vm_block_size == -1) |
860 | return; | |
a1adf8be | 861 | |
bab4fee7 | 862 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
863 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
864 | amdgpu_vm_block_size); | |
97489129 | 865 | amdgpu_vm_block_size = -1; |
a1adf8be | 866 | } |
a1adf8be CZ |
867 | } |
868 | ||
e3ecdffa AD |
869 | /** |
870 | * amdgpu_device_check_vm_size - validate the vm size | |
871 | * | |
872 | * @adev: amdgpu_device pointer | |
873 | * | |
874 | * Validates the vm size in GB specified via module parameter. | |
875 | * The VM size is the size of the GPU virtual memory space in GB. | |
876 | */ | |
06ec9070 | 877 | static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) |
83ca145d | 878 | { |
64dab074 AD |
879 | /* no need to check the default value */ |
880 | if (amdgpu_vm_size == -1) | |
881 | return; | |
882 | ||
83ca145d ZJ |
883 | if (amdgpu_vm_size < 1) { |
884 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
885 | amdgpu_vm_size); | |
f3368128 | 886 | amdgpu_vm_size = -1; |
83ca145d | 887 | } |
83ca145d ZJ |
888 | } |
889 | ||
7951e376 RZ |
890 | static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) |
891 | { | |
892 | struct sysinfo si; | |
893 | bool is_os_64 = (sizeof(void *) == 8) ? true : false; | |
894 | uint64_t total_memory; | |
895 | uint64_t dram_size_seven_GB = 0x1B8000000; | |
896 | uint64_t dram_size_three_GB = 0xB8000000; | |
897 | ||
898 | if (amdgpu_smu_memory_pool_size == 0) | |
899 | return; | |
900 | ||
901 | if (!is_os_64) { | |
902 | DRM_WARN("Not 64-bit OS, feature not supported\n"); | |
903 | goto def_value; | |
904 | } | |
905 | si_meminfo(&si); | |
906 | total_memory = (uint64_t)si.totalram * si.mem_unit; | |
907 | ||
908 | if ((amdgpu_smu_memory_pool_size == 1) || | |
909 | (amdgpu_smu_memory_pool_size == 2)) { | |
910 | if (total_memory < dram_size_three_GB) | |
911 | goto def_value1; | |
912 | } else if ((amdgpu_smu_memory_pool_size == 4) || | |
913 | (amdgpu_smu_memory_pool_size == 8)) { | |
914 | if (total_memory < dram_size_seven_GB) | |
915 | goto def_value1; | |
916 | } else { | |
917 | DRM_WARN("Smu memory pool size not supported\n"); | |
918 | goto def_value; | |
919 | } | |
920 | adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; | |
921 | ||
922 | return; | |
923 | ||
924 | def_value1: | |
925 | DRM_WARN("No enough system memory\n"); | |
926 | def_value: | |
927 | adev->pm.smu_prv_buffer_size = 0; | |
928 | } | |
929 | ||
d38ceaf9 | 930 | /** |
06ec9070 | 931 | * amdgpu_device_check_arguments - validate module params |
d38ceaf9 AD |
932 | * |
933 | * @adev: amdgpu_device pointer | |
934 | * | |
935 | * Validates certain module parameters and updates | |
936 | * the associated values used by the driver (all asics). | |
937 | */ | |
912dfc84 | 938 | static int amdgpu_device_check_arguments(struct amdgpu_device *adev) |
d38ceaf9 | 939 | { |
912dfc84 EQ |
940 | int ret = 0; |
941 | ||
5b011235 CZ |
942 | if (amdgpu_sched_jobs < 4) { |
943 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
944 | amdgpu_sched_jobs); | |
945 | amdgpu_sched_jobs = 4; | |
76117507 | 946 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
947 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
948 | amdgpu_sched_jobs); | |
949 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
950 | } | |
d38ceaf9 | 951 | |
83e74db6 | 952 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
953 | /* gart size must be greater or equal to 32M */ |
954 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
955 | amdgpu_gart_size); | |
83e74db6 | 956 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
957 | } |
958 | ||
36d38372 | 959 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 960 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
961 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
962 | amdgpu_gtt_size); | |
963 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
964 | } |
965 | ||
d07f14be RH |
966 | /* valid range is between 4 and 9 inclusive */ |
967 | if (amdgpu_vm_fragment_size != -1 && | |
968 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
969 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
970 | amdgpu_vm_fragment_size = -1; | |
971 | } | |
972 | ||
7951e376 RZ |
973 | amdgpu_device_check_smu_prv_buffer_size(adev); |
974 | ||
06ec9070 | 975 | amdgpu_device_check_vm_size(adev); |
d38ceaf9 | 976 | |
06ec9070 | 977 | amdgpu_device_check_block_size(adev); |
6a7f76e7 | 978 | |
912dfc84 EQ |
979 | ret = amdgpu_device_get_job_timeout_settings(adev); |
980 | if (ret) { | |
981 | dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); | |
982 | return ret; | |
8854695a | 983 | } |
19aede77 AD |
984 | |
985 | adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); | |
912dfc84 EQ |
986 | |
987 | return ret; | |
d38ceaf9 AD |
988 | } |
989 | ||
990 | /** | |
991 | * amdgpu_switcheroo_set_state - set switcheroo state | |
992 | * | |
993 | * @pdev: pci dev pointer | |
1694467b | 994 | * @state: vga_switcheroo state |
d38ceaf9 AD |
995 | * |
996 | * Callback for the switcheroo driver. Suspends or resumes the | |
997 | * the asics before or after it is powered up using ACPI methods. | |
998 | */ | |
999 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) | |
1000 | { | |
1001 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1002 | ||
1003 | if (amdgpu_device_is_px(dev) && state == VGA_SWITCHEROO_OFF) | |
1004 | return; | |
1005 | ||
1006 | if (state == VGA_SWITCHEROO_ON) { | |
7ca85295 | 1007 | pr_info("amdgpu: switched on\n"); |
d38ceaf9 AD |
1008 | /* don't suspend or resume card normally */ |
1009 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1010 | ||
810ddc3a | 1011 | amdgpu_device_resume(dev, true, true); |
d38ceaf9 | 1012 | |
d38ceaf9 AD |
1013 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
1014 | drm_kms_helper_poll_enable(dev); | |
1015 | } else { | |
7ca85295 | 1016 | pr_info("amdgpu: switched off\n"); |
d38ceaf9 AD |
1017 | drm_kms_helper_poll_disable(dev); |
1018 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
810ddc3a | 1019 | amdgpu_device_suspend(dev, true, true); |
d38ceaf9 AD |
1020 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1021 | } | |
1022 | } | |
1023 | ||
1024 | /** | |
1025 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1026 | * | |
1027 | * @pdev: pci dev pointer | |
1028 | * | |
1029 | * Callback for the switcheroo driver. Check of the switcheroo | |
1030 | * state can be changed. | |
1031 | * Returns true if the state can be changed, false if not. | |
1032 | */ | |
1033 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1034 | { | |
1035 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1036 | ||
1037 | /* | |
1038 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1039 | * locking inversion with the driver load path. And the access here is | |
1040 | * completely racy anyway. So don't bother with locking for now. | |
1041 | */ | |
1042 | return dev->open_count == 0; | |
1043 | } | |
1044 | ||
1045 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1046 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1047 | .reprobe = NULL, | |
1048 | .can_switch = amdgpu_switcheroo_can_switch, | |
1049 | }; | |
1050 | ||
e3ecdffa AD |
1051 | /** |
1052 | * amdgpu_device_ip_set_clockgating_state - set the CG state | |
1053 | * | |
87e3f136 | 1054 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1055 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1056 | * @state: clockgating state (gate or ungate) | |
1057 | * | |
1058 | * Sets the requested clockgating state for all instances of | |
1059 | * the hardware IP specified. | |
1060 | * Returns the error code from the last instance. | |
1061 | */ | |
43fa561f | 1062 | int amdgpu_device_ip_set_clockgating_state(void *dev, |
2990a1fc AD |
1063 | enum amd_ip_block_type block_type, |
1064 | enum amd_clockgating_state state) | |
d38ceaf9 | 1065 | { |
43fa561f | 1066 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1067 | int i, r = 0; |
1068 | ||
1069 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1070 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1071 | continue; |
c722865a RZ |
1072 | if (adev->ip_blocks[i].version->type != block_type) |
1073 | continue; | |
1074 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1075 | continue; | |
1076 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1077 | (void *)adev, state); | |
1078 | if (r) | |
1079 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1080 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1081 | } |
1082 | return r; | |
1083 | } | |
1084 | ||
e3ecdffa AD |
1085 | /** |
1086 | * amdgpu_device_ip_set_powergating_state - set the PG state | |
1087 | * | |
87e3f136 | 1088 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1089 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1090 | * @state: powergating state (gate or ungate) | |
1091 | * | |
1092 | * Sets the requested powergating state for all instances of | |
1093 | * the hardware IP specified. | |
1094 | * Returns the error code from the last instance. | |
1095 | */ | |
43fa561f | 1096 | int amdgpu_device_ip_set_powergating_state(void *dev, |
2990a1fc AD |
1097 | enum amd_ip_block_type block_type, |
1098 | enum amd_powergating_state state) | |
d38ceaf9 | 1099 | { |
43fa561f | 1100 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1101 | int i, r = 0; |
1102 | ||
1103 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1104 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1105 | continue; |
c722865a RZ |
1106 | if (adev->ip_blocks[i].version->type != block_type) |
1107 | continue; | |
1108 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1109 | continue; | |
1110 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1111 | (void *)adev, state); | |
1112 | if (r) | |
1113 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1114 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1115 | } |
1116 | return r; | |
1117 | } | |
1118 | ||
e3ecdffa AD |
1119 | /** |
1120 | * amdgpu_device_ip_get_clockgating_state - get the CG state | |
1121 | * | |
1122 | * @adev: amdgpu_device pointer | |
1123 | * @flags: clockgating feature flags | |
1124 | * | |
1125 | * Walks the list of IPs on the device and updates the clockgating | |
1126 | * flags for each IP. | |
1127 | * Updates @flags with the feature flags for each hardware IP where | |
1128 | * clockgating is enabled. | |
1129 | */ | |
2990a1fc AD |
1130 | void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, |
1131 | u32 *flags) | |
6cb2d4e4 HR |
1132 | { |
1133 | int i; | |
1134 | ||
1135 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1136 | if (!adev->ip_blocks[i].status.valid) | |
1137 | continue; | |
1138 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1139 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1140 | } | |
1141 | } | |
1142 | ||
e3ecdffa AD |
1143 | /** |
1144 | * amdgpu_device_ip_wait_for_idle - wait for idle | |
1145 | * | |
1146 | * @adev: amdgpu_device pointer | |
1147 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1148 | * | |
1149 | * Waits for the request hardware IP to be idle. | |
1150 | * Returns 0 for success or a negative error code on failure. | |
1151 | */ | |
2990a1fc AD |
1152 | int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, |
1153 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1154 | { |
1155 | int i, r; | |
1156 | ||
1157 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1158 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1159 | continue; |
a1255107 AD |
1160 | if (adev->ip_blocks[i].version->type == block_type) { |
1161 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1162 | if (r) |
1163 | return r; | |
1164 | break; | |
1165 | } | |
1166 | } | |
1167 | return 0; | |
1168 | ||
1169 | } | |
1170 | ||
e3ecdffa AD |
1171 | /** |
1172 | * amdgpu_device_ip_is_idle - is the hardware IP idle | |
1173 | * | |
1174 | * @adev: amdgpu_device pointer | |
1175 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1176 | * | |
1177 | * Check if the hardware IP is idle or not. | |
1178 | * Returns true if it the IP is idle, false if not. | |
1179 | */ | |
2990a1fc AD |
1180 | bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, |
1181 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1182 | { |
1183 | int i; | |
1184 | ||
1185 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1186 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1187 | continue; |
a1255107 AD |
1188 | if (adev->ip_blocks[i].version->type == block_type) |
1189 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1190 | } |
1191 | return true; | |
1192 | ||
1193 | } | |
1194 | ||
e3ecdffa AD |
1195 | /** |
1196 | * amdgpu_device_ip_get_ip_block - get a hw IP pointer | |
1197 | * | |
1198 | * @adev: amdgpu_device pointer | |
87e3f136 | 1199 | * @type: Type of hardware IP (SMU, GFX, UVD, etc.) |
e3ecdffa AD |
1200 | * |
1201 | * Returns a pointer to the hardware IP block structure | |
1202 | * if it exists for the asic, otherwise NULL. | |
1203 | */ | |
2990a1fc AD |
1204 | struct amdgpu_ip_block * |
1205 | amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, | |
1206 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1207 | { |
1208 | int i; | |
1209 | ||
1210 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1211 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1212 | return &adev->ip_blocks[i]; |
1213 | ||
1214 | return NULL; | |
1215 | } | |
1216 | ||
1217 | /** | |
2990a1fc | 1218 | * amdgpu_device_ip_block_version_cmp |
d38ceaf9 AD |
1219 | * |
1220 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1221 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1222 | * @major: major version |
1223 | * @minor: minor version | |
1224 | * | |
1225 | * return 0 if equal or greater | |
1226 | * return 1 if smaller or the ip_block doesn't exist | |
1227 | */ | |
2990a1fc AD |
1228 | int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, |
1229 | enum amd_ip_block_type type, | |
1230 | u32 major, u32 minor) | |
d38ceaf9 | 1231 | { |
2990a1fc | 1232 | struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); |
d38ceaf9 | 1233 | |
a1255107 AD |
1234 | if (ip_block && ((ip_block->version->major > major) || |
1235 | ((ip_block->version->major == major) && | |
1236 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1237 | return 0; |
1238 | ||
1239 | return 1; | |
1240 | } | |
1241 | ||
a1255107 | 1242 | /** |
2990a1fc | 1243 | * amdgpu_device_ip_block_add |
a1255107 AD |
1244 | * |
1245 | * @adev: amdgpu_device pointer | |
1246 | * @ip_block_version: pointer to the IP to add | |
1247 | * | |
1248 | * Adds the IP block driver information to the collection of IPs | |
1249 | * on the asic. | |
1250 | */ | |
2990a1fc AD |
1251 | int amdgpu_device_ip_block_add(struct amdgpu_device *adev, |
1252 | const struct amdgpu_ip_block_version *ip_block_version) | |
a1255107 AD |
1253 | { |
1254 | if (!ip_block_version) | |
1255 | return -EINVAL; | |
1256 | ||
e966a725 | 1257 | DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, |
a0bae357 HR |
1258 | ip_block_version->funcs->name); |
1259 | ||
a1255107 AD |
1260 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1261 | ||
1262 | return 0; | |
1263 | } | |
1264 | ||
e3ecdffa AD |
1265 | /** |
1266 | * amdgpu_device_enable_virtual_display - enable virtual display feature | |
1267 | * | |
1268 | * @adev: amdgpu_device pointer | |
1269 | * | |
1270 | * Enabled the virtual display feature if the user has enabled it via | |
1271 | * the module parameter virtual_display. This feature provides a virtual | |
1272 | * display hardware on headless boards or in virtualized environments. | |
1273 | * This function parses and validates the configuration string specified by | |
1274 | * the user and configues the virtual display configuration (number of | |
1275 | * virtual connectors, crtcs, etc.) specified. | |
1276 | */ | |
483ef985 | 1277 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1278 | { |
1279 | adev->enable_virtual_display = false; | |
1280 | ||
1281 | if (amdgpu_virtual_display) { | |
1282 | struct drm_device *ddev = adev->ddev; | |
1283 | const char *pci_address_name = pci_name(ddev->pdev); | |
0f66356d | 1284 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1285 | |
1286 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1287 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1288 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1289 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1290 | if (!strcmp("all", pciaddname) |
1291 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1292 | long num_crtc; |
1293 | int res = -1; | |
1294 | ||
9accf2fd | 1295 | adev->enable_virtual_display = true; |
0f66356d ED |
1296 | |
1297 | if (pciaddname_tmp) | |
1298 | res = kstrtol(pciaddname_tmp, 10, | |
1299 | &num_crtc); | |
1300 | ||
1301 | if (!res) { | |
1302 | if (num_crtc < 1) | |
1303 | num_crtc = 1; | |
1304 | if (num_crtc > 6) | |
1305 | num_crtc = 6; | |
1306 | adev->mode_info.num_crtc = num_crtc; | |
1307 | } else { | |
1308 | adev->mode_info.num_crtc = 1; | |
1309 | } | |
9accf2fd ED |
1310 | break; |
1311 | } | |
1312 | } | |
1313 | ||
0f66356d ED |
1314 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1315 | amdgpu_virtual_display, pci_address_name, | |
1316 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1317 | |
1318 | kfree(pciaddstr); | |
1319 | } | |
1320 | } | |
1321 | ||
e3ecdffa AD |
1322 | /** |
1323 | * amdgpu_device_parse_gpu_info_fw - parse gpu info firmware | |
1324 | * | |
1325 | * @adev: amdgpu_device pointer | |
1326 | * | |
1327 | * Parses the asic configuration parameters specified in the gpu info | |
1328 | * firmware and makes them availale to the driver for use in configuring | |
1329 | * the asic. | |
1330 | * Returns 0 on success, -EINVAL on failure. | |
1331 | */ | |
e2a75f88 AD |
1332 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1333 | { | |
e2a75f88 AD |
1334 | const char *chip_name; |
1335 | char fw_name[30]; | |
1336 | int err; | |
1337 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1338 | ||
ab4fe3e1 HR |
1339 | adev->firmware.gpu_info_fw = NULL; |
1340 | ||
e2a75f88 AD |
1341 | switch (adev->asic_type) { |
1342 | case CHIP_TOPAZ: | |
1343 | case CHIP_TONGA: | |
1344 | case CHIP_FIJI: | |
e2a75f88 | 1345 | case CHIP_POLARIS10: |
cc07f18d | 1346 | case CHIP_POLARIS11: |
e2a75f88 | 1347 | case CHIP_POLARIS12: |
cc07f18d | 1348 | case CHIP_VEGAM: |
e2a75f88 AD |
1349 | case CHIP_CARRIZO: |
1350 | case CHIP_STONEY: | |
1351 | #ifdef CONFIG_DRM_AMDGPU_SI | |
1352 | case CHIP_VERDE: | |
1353 | case CHIP_TAHITI: | |
1354 | case CHIP_PITCAIRN: | |
1355 | case CHIP_OLAND: | |
1356 | case CHIP_HAINAN: | |
1357 | #endif | |
1358 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
1359 | case CHIP_BONAIRE: | |
1360 | case CHIP_HAWAII: | |
1361 | case CHIP_KAVERI: | |
1362 | case CHIP_KABINI: | |
1363 | case CHIP_MULLINS: | |
1364 | #endif | |
27c0bc71 | 1365 | case CHIP_VEGA20: |
e2a75f88 AD |
1366 | default: |
1367 | return 0; | |
1368 | case CHIP_VEGA10: | |
1369 | chip_name = "vega10"; | |
1370 | break; | |
3f76dced AD |
1371 | case CHIP_VEGA12: |
1372 | chip_name = "vega12"; | |
1373 | break; | |
2d2e5e7e | 1374 | case CHIP_RAVEN: |
54c4d17e FX |
1375 | if (adev->rev_id >= 8) |
1376 | chip_name = "raven2"; | |
741deade AD |
1377 | else if (adev->pdev->device == 0x15d8) |
1378 | chip_name = "picasso"; | |
54c4d17e FX |
1379 | else |
1380 | chip_name = "raven"; | |
2d2e5e7e | 1381 | break; |
23c6268e HR |
1382 | case CHIP_NAVI10: |
1383 | chip_name = "navi10"; | |
1384 | break; | |
e2a75f88 AD |
1385 | } |
1386 | ||
1387 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1388 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1389 | if (err) { |
1390 | dev_err(adev->dev, | |
1391 | "Failed to load gpu_info firmware \"%s\"\n", | |
1392 | fw_name); | |
1393 | goto out; | |
1394 | } | |
ab4fe3e1 | 1395 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1396 | if (err) { |
1397 | dev_err(adev->dev, | |
1398 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1399 | fw_name); | |
1400 | goto out; | |
1401 | } | |
1402 | ||
ab4fe3e1 | 1403 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
1404 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
1405 | ||
1406 | switch (hdr->version_major) { | |
1407 | case 1: | |
1408 | { | |
1409 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 1410 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
1411 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
1412 | ||
b5ab16bf AD |
1413 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
1414 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
1415 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
1416 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 1417 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
1418 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
1419 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
1420 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
1421 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
1422 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 1423 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
1424 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
1425 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
1426 | adev->gfx.cu_info.max_waves_per_simd = |
1427 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
1428 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
1429 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
1430 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
35c2e910 HZ |
1431 | if (hdr->version_minor == 1) { |
1432 | const struct gpu_info_firmware_v1_1 *gpu_info_fw = | |
1433 | (const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data + | |
1434 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1435 | adev->gfx.config.num_sc_per_sh = | |
1436 | le32_to_cpu(gpu_info_fw->num_sc_per_sh); | |
1437 | adev->gfx.config.num_packer_per_sc = | |
1438 | le32_to_cpu(gpu_info_fw->num_packer_per_sc); | |
1439 | } | |
e2a75f88 AD |
1440 | break; |
1441 | } | |
1442 | default: | |
1443 | dev_err(adev->dev, | |
1444 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
1445 | err = -EINVAL; | |
1446 | goto out; | |
1447 | } | |
1448 | out: | |
e2a75f88 AD |
1449 | return err; |
1450 | } | |
1451 | ||
e3ecdffa AD |
1452 | /** |
1453 | * amdgpu_device_ip_early_init - run early init for hardware IPs | |
1454 | * | |
1455 | * @adev: amdgpu_device pointer | |
1456 | * | |
1457 | * Early initialization pass for hardware IPs. The hardware IPs that make | |
1458 | * up each asic are discovered each IP's early_init callback is run. This | |
1459 | * is the first stage in initializing the asic. | |
1460 | * Returns 0 on success, negative error code on failure. | |
1461 | */ | |
06ec9070 | 1462 | static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) |
d38ceaf9 | 1463 | { |
aaa36a97 | 1464 | int i, r; |
d38ceaf9 | 1465 | |
483ef985 | 1466 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 1467 | |
d38ceaf9 | 1468 | switch (adev->asic_type) { |
aaa36a97 AD |
1469 | case CHIP_TOPAZ: |
1470 | case CHIP_TONGA: | |
48299f95 | 1471 | case CHIP_FIJI: |
2cc0c0b5 | 1472 | case CHIP_POLARIS10: |
32cc7e53 | 1473 | case CHIP_POLARIS11: |
c4642a47 | 1474 | case CHIP_POLARIS12: |
32cc7e53 | 1475 | case CHIP_VEGAM: |
aaa36a97 | 1476 | case CHIP_CARRIZO: |
39bb0c92 SL |
1477 | case CHIP_STONEY: |
1478 | if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) | |
aaa36a97 AD |
1479 | adev->family = AMDGPU_FAMILY_CZ; |
1480 | else | |
1481 | adev->family = AMDGPU_FAMILY_VI; | |
1482 | ||
1483 | r = vi_set_ip_blocks(adev); | |
1484 | if (r) | |
1485 | return r; | |
1486 | break; | |
33f34802 KW |
1487 | #ifdef CONFIG_DRM_AMDGPU_SI |
1488 | case CHIP_VERDE: | |
1489 | case CHIP_TAHITI: | |
1490 | case CHIP_PITCAIRN: | |
1491 | case CHIP_OLAND: | |
1492 | case CHIP_HAINAN: | |
295d0daf | 1493 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
1494 | r = si_set_ip_blocks(adev); |
1495 | if (r) | |
1496 | return r; | |
1497 | break; | |
1498 | #endif | |
a2e73f56 AD |
1499 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1500 | case CHIP_BONAIRE: | |
1501 | case CHIP_HAWAII: | |
1502 | case CHIP_KAVERI: | |
1503 | case CHIP_KABINI: | |
1504 | case CHIP_MULLINS: | |
1505 | if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII)) | |
1506 | adev->family = AMDGPU_FAMILY_CI; | |
1507 | else | |
1508 | adev->family = AMDGPU_FAMILY_KV; | |
1509 | ||
1510 | r = cik_set_ip_blocks(adev); | |
1511 | if (r) | |
1512 | return r; | |
1513 | break; | |
1514 | #endif | |
e48a3cd9 AD |
1515 | case CHIP_VEGA10: |
1516 | case CHIP_VEGA12: | |
e4bd8170 | 1517 | case CHIP_VEGA20: |
e48a3cd9 | 1518 | case CHIP_RAVEN: |
741deade | 1519 | if (adev->asic_type == CHIP_RAVEN) |
2ca8a5d2 CZ |
1520 | adev->family = AMDGPU_FAMILY_RV; |
1521 | else | |
1522 | adev->family = AMDGPU_FAMILY_AI; | |
460826e6 KW |
1523 | |
1524 | r = soc15_set_ip_blocks(adev); | |
1525 | if (r) | |
1526 | return r; | |
1527 | break; | |
d38ceaf9 AD |
1528 | default: |
1529 | /* FIXME: not supported yet */ | |
1530 | return -EINVAL; | |
1531 | } | |
1532 | ||
e2a75f88 AD |
1533 | r = amdgpu_device_parse_gpu_info_fw(adev); |
1534 | if (r) | |
1535 | return r; | |
1536 | ||
1884734a | 1537 | amdgpu_amdkfd_device_probe(adev); |
1538 | ||
3149d9da XY |
1539 | if (amdgpu_sriov_vf(adev)) { |
1540 | r = amdgpu_virt_request_full_gpu(adev, true); | |
1541 | if (r) | |
5ffa61c1 | 1542 | return -EAGAIN; |
78d48112 TH |
1543 | |
1544 | /* query the reg access mode at the very beginning */ | |
1545 | amdgpu_virt_init_reg_access_mode(adev); | |
3149d9da XY |
1546 | } |
1547 | ||
3b94fb10 | 1548 | adev->pm.pp_feature = amdgpu_pp_feature_mask; |
00544006 HR |
1549 | if (amdgpu_sriov_vf(adev)) |
1550 | adev->pm.pp_feature &= ~PP_GFXOFF_MASK; | |
00f54b97 | 1551 | |
d38ceaf9 AD |
1552 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1553 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
1554 | DRM_ERROR("disabled ip block: %d <%s>\n", |
1555 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 1556 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 1557 | } else { |
a1255107 AD |
1558 | if (adev->ip_blocks[i].version->funcs->early_init) { |
1559 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 1560 | if (r == -ENOENT) { |
a1255107 | 1561 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 1562 | } else if (r) { |
a1255107 AD |
1563 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
1564 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1565 | return r; |
2c1a2784 | 1566 | } else { |
a1255107 | 1567 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 1568 | } |
974e6b64 | 1569 | } else { |
a1255107 | 1570 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 1571 | } |
d38ceaf9 | 1572 | } |
21a249ca AD |
1573 | /* get the vbios after the asic_funcs are set up */ |
1574 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { | |
1575 | /* Read BIOS */ | |
1576 | if (!amdgpu_get_bios(adev)) | |
1577 | return -EINVAL; | |
1578 | ||
1579 | r = amdgpu_atombios_init(adev); | |
1580 | if (r) { | |
1581 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
1582 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
1583 | return r; | |
1584 | } | |
1585 | } | |
d38ceaf9 AD |
1586 | } |
1587 | ||
395d1fb9 NH |
1588 | adev->cg_flags &= amdgpu_cg_mask; |
1589 | adev->pg_flags &= amdgpu_pg_mask; | |
1590 | ||
d38ceaf9 AD |
1591 | return 0; |
1592 | } | |
1593 | ||
0a4f2520 RZ |
1594 | static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) |
1595 | { | |
1596 | int i, r; | |
1597 | ||
1598 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1599 | if (!adev->ip_blocks[i].status.sw) | |
1600 | continue; | |
1601 | if (adev->ip_blocks[i].status.hw) | |
1602 | continue; | |
1603 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2d11fd3f | 1604 | (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || |
0a4f2520 RZ |
1605 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { |
1606 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1607 | if (r) { | |
1608 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1609 | adev->ip_blocks[i].version->funcs->name, r); | |
1610 | return r; | |
1611 | } | |
1612 | adev->ip_blocks[i].status.hw = true; | |
1613 | } | |
1614 | } | |
1615 | ||
1616 | return 0; | |
1617 | } | |
1618 | ||
1619 | static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) | |
1620 | { | |
1621 | int i, r; | |
1622 | ||
1623 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1624 | if (!adev->ip_blocks[i].status.sw) | |
1625 | continue; | |
1626 | if (adev->ip_blocks[i].status.hw) | |
1627 | continue; | |
1628 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1629 | if (r) { | |
1630 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1631 | adev->ip_blocks[i].version->funcs->name, r); | |
1632 | return r; | |
1633 | } | |
1634 | adev->ip_blocks[i].status.hw = true; | |
1635 | } | |
1636 | ||
1637 | return 0; | |
1638 | } | |
1639 | ||
7a3e0bb2 RZ |
1640 | static int amdgpu_device_fw_loading(struct amdgpu_device *adev) |
1641 | { | |
1642 | int r = 0; | |
1643 | int i; | |
80f41f84 | 1644 | uint32_t smu_version; |
7a3e0bb2 RZ |
1645 | |
1646 | if (adev->asic_type >= CHIP_VEGA10) { | |
1647 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1648 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
1649 | if (adev->in_gpu_reset || adev->in_suspend) { | |
1650 | if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset) | |
1651 | break; /* sriov gpu reset, psp need to do hw_init before IH because of hw limit */ | |
1652 | r = adev->ip_blocks[i].version->funcs->resume(adev); | |
1653 | if (r) { | |
1654 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
1655 | adev->ip_blocks[i].version->funcs->name, r); | |
1656 | return r; | |
1657 | } | |
1658 | } else { | |
1659 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1660 | if (r) { | |
1661 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1662 | adev->ip_blocks[i].version->funcs->name, r); | |
1663 | return r; | |
1664 | } | |
1665 | } | |
1666 | adev->ip_blocks[i].status.hw = true; | |
1667 | } | |
1668 | } | |
1669 | } | |
80f41f84 | 1670 | r = amdgpu_pm_load_smu_firmware(adev, &smu_version); |
7a3e0bb2 | 1671 | |
80f41f84 | 1672 | return r; |
7a3e0bb2 RZ |
1673 | } |
1674 | ||
e3ecdffa AD |
1675 | /** |
1676 | * amdgpu_device_ip_init - run init for hardware IPs | |
1677 | * | |
1678 | * @adev: amdgpu_device pointer | |
1679 | * | |
1680 | * Main initialization pass for hardware IPs. The list of all the hardware | |
1681 | * IPs that make up the asic is walked and the sw_init and hw_init callbacks | |
1682 | * are run. sw_init initializes the software state associated with each IP | |
1683 | * and hw_init initializes the hardware associated with each IP. | |
1684 | * Returns 0 on success, negative error code on failure. | |
1685 | */ | |
06ec9070 | 1686 | static int amdgpu_device_ip_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
1687 | { |
1688 | int i, r; | |
1689 | ||
c030f2e4 | 1690 | r = amdgpu_ras_init(adev); |
1691 | if (r) | |
1692 | return r; | |
1693 | ||
d38ceaf9 | 1694 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 1695 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1696 | continue; |
a1255107 | 1697 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 1698 | if (r) { |
a1255107 AD |
1699 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
1700 | adev->ip_blocks[i].version->funcs->name, r); | |
72d3f592 | 1701 | goto init_failed; |
2c1a2784 | 1702 | } |
a1255107 | 1703 | adev->ip_blocks[i].status.sw = true; |
bfca0289 | 1704 | |
d38ceaf9 | 1705 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 1706 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
06ec9070 | 1707 | r = amdgpu_device_vram_scratch_init(adev); |
2c1a2784 AD |
1708 | if (r) { |
1709 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
72d3f592 | 1710 | goto init_failed; |
2c1a2784 | 1711 | } |
a1255107 | 1712 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
1713 | if (r) { |
1714 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
72d3f592 | 1715 | goto init_failed; |
2c1a2784 | 1716 | } |
06ec9070 | 1717 | r = amdgpu_device_wb_init(adev); |
2c1a2784 | 1718 | if (r) { |
06ec9070 | 1719 | DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); |
72d3f592 | 1720 | goto init_failed; |
2c1a2784 | 1721 | } |
a1255107 | 1722 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
1723 | |
1724 | /* right after GMC hw init, we create CSA */ | |
f92d5c61 | 1725 | if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) { |
1e256e27 RZ |
1726 | r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, |
1727 | AMDGPU_GEM_DOMAIN_VRAM, | |
1728 | AMDGPU_CSA_SIZE); | |
2493664f ML |
1729 | if (r) { |
1730 | DRM_ERROR("allocate CSA failed %d\n", r); | |
72d3f592 | 1731 | goto init_failed; |
2493664f ML |
1732 | } |
1733 | } | |
d38ceaf9 AD |
1734 | } |
1735 | } | |
1736 | ||
533aed27 AG |
1737 | r = amdgpu_ib_pool_init(adev); |
1738 | if (r) { | |
1739 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
1740 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); | |
1741 | goto init_failed; | |
1742 | } | |
1743 | ||
c8963ea4 RZ |
1744 | r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/ |
1745 | if (r) | |
72d3f592 | 1746 | goto init_failed; |
0a4f2520 RZ |
1747 | |
1748 | r = amdgpu_device_ip_hw_init_phase1(adev); | |
1749 | if (r) | |
72d3f592 | 1750 | goto init_failed; |
0a4f2520 | 1751 | |
7a3e0bb2 RZ |
1752 | r = amdgpu_device_fw_loading(adev); |
1753 | if (r) | |
72d3f592 | 1754 | goto init_failed; |
7a3e0bb2 | 1755 | |
0a4f2520 RZ |
1756 | r = amdgpu_device_ip_hw_init_phase2(adev); |
1757 | if (r) | |
72d3f592 | 1758 | goto init_failed; |
d38ceaf9 | 1759 | |
3e2e2ab5 HZ |
1760 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
1761 | amdgpu_xgmi_add_device(adev); | |
1884734a | 1762 | amdgpu_amdkfd_device_init(adev); |
c6332b97 | 1763 | |
72d3f592 | 1764 | init_failed: |
d3c117e5 | 1765 | if (amdgpu_sriov_vf(adev)) { |
72d3f592 ED |
1766 | if (!r) |
1767 | amdgpu_virt_init_data_exchange(adev); | |
c6332b97 | 1768 | amdgpu_virt_release_full_gpu(adev, true); |
d3c117e5 | 1769 | } |
c6332b97 | 1770 | |
72d3f592 | 1771 | return r; |
d38ceaf9 AD |
1772 | } |
1773 | ||
e3ecdffa AD |
1774 | /** |
1775 | * amdgpu_device_fill_reset_magic - writes reset magic to gart pointer | |
1776 | * | |
1777 | * @adev: amdgpu_device pointer | |
1778 | * | |
1779 | * Writes a reset magic value to the gart pointer in VRAM. The driver calls | |
1780 | * this function before a GPU reset. If the value is retained after a | |
1781 | * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. | |
1782 | */ | |
06ec9070 | 1783 | static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) |
0c49e0b8 CZ |
1784 | { |
1785 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
1786 | } | |
1787 | ||
e3ecdffa AD |
1788 | /** |
1789 | * amdgpu_device_check_vram_lost - check if vram is valid | |
1790 | * | |
1791 | * @adev: amdgpu_device pointer | |
1792 | * | |
1793 | * Checks the reset magic value written to the gart pointer in VRAM. | |
1794 | * The driver calls this after a GPU reset to see if the contents of | |
1795 | * VRAM is lost or now. | |
1796 | * returns true if vram is lost, false if not. | |
1797 | */ | |
06ec9070 | 1798 | static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) |
0c49e0b8 CZ |
1799 | { |
1800 | return !!memcmp(adev->gart.ptr, adev->reset_magic, | |
1801 | AMDGPU_RESET_MAGIC_NUM); | |
1802 | } | |
1803 | ||
e3ecdffa | 1804 | /** |
1112a46b | 1805 | * amdgpu_device_set_cg_state - set clockgating for amdgpu device |
e3ecdffa AD |
1806 | * |
1807 | * @adev: amdgpu_device pointer | |
1808 | * | |
e3ecdffa | 1809 | * The list of all the hardware IPs that make up the asic is walked and the |
1112a46b RZ |
1810 | * set_clockgating_state callbacks are run. |
1811 | * Late initialization pass enabling clockgating for hardware IPs. | |
1812 | * Fini or suspend, pass disabling clockgating for hardware IPs. | |
e3ecdffa AD |
1813 | * Returns 0 on success, negative error code on failure. |
1814 | */ | |
fdd34271 | 1815 | |
1112a46b RZ |
1816 | static int amdgpu_device_set_cg_state(struct amdgpu_device *adev, |
1817 | enum amd_clockgating_state state) | |
d38ceaf9 | 1818 | { |
1112a46b | 1819 | int i, j, r; |
d38ceaf9 | 1820 | |
4a2ba394 SL |
1821 | if (amdgpu_emu_mode == 1) |
1822 | return 0; | |
1823 | ||
1112a46b RZ |
1824 | for (j = 0; j < adev->num_ip_blocks; j++) { |
1825 | i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 1826 | if (!adev->ip_blocks[i].status.late_initialized) |
d38ceaf9 | 1827 | continue; |
4a446d55 | 1828 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 | 1829 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
57716327 | 1830 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && |
34319b32 | 1831 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && |
57716327 | 1832 | adev->ip_blocks[i].version->funcs->set_clockgating_state) { |
4a446d55 | 1833 | /* enable clockgating to save power */ |
a1255107 | 1834 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1112a46b | 1835 | state); |
4a446d55 AD |
1836 | if (r) { |
1837 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 1838 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
1839 | return r; |
1840 | } | |
b0b00ff1 | 1841 | } |
d38ceaf9 | 1842 | } |
06b18f61 | 1843 | |
c9f96fd5 RZ |
1844 | return 0; |
1845 | } | |
1846 | ||
1112a46b | 1847 | static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_powergating_state state) |
c9f96fd5 | 1848 | { |
1112a46b | 1849 | int i, j, r; |
06b18f61 | 1850 | |
c9f96fd5 RZ |
1851 | if (amdgpu_emu_mode == 1) |
1852 | return 0; | |
1853 | ||
1112a46b RZ |
1854 | for (j = 0; j < adev->num_ip_blocks; j++) { |
1855 | i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 1856 | if (!adev->ip_blocks[i].status.late_initialized) |
c9f96fd5 RZ |
1857 | continue; |
1858 | /* skip CG for VCE/UVD, it's handled specially */ | |
1859 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
1860 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && | |
1861 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && | |
1862 | adev->ip_blocks[i].version->funcs->set_powergating_state) { | |
1863 | /* enable powergating to save power */ | |
1864 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1112a46b | 1865 | state); |
c9f96fd5 RZ |
1866 | if (r) { |
1867 | DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", | |
1868 | adev->ip_blocks[i].version->funcs->name, r); | |
1869 | return r; | |
1870 | } | |
1871 | } | |
1872 | } | |
2dc80b00 S |
1873 | return 0; |
1874 | } | |
1875 | ||
beff74bc AD |
1876 | static int amdgpu_device_enable_mgpu_fan_boost(void) |
1877 | { | |
1878 | struct amdgpu_gpu_instance *gpu_ins; | |
1879 | struct amdgpu_device *adev; | |
1880 | int i, ret = 0; | |
1881 | ||
1882 | mutex_lock(&mgpu_info.mutex); | |
1883 | ||
1884 | /* | |
1885 | * MGPU fan boost feature should be enabled | |
1886 | * only when there are two or more dGPUs in | |
1887 | * the system | |
1888 | */ | |
1889 | if (mgpu_info.num_dgpu < 2) | |
1890 | goto out; | |
1891 | ||
1892 | for (i = 0; i < mgpu_info.num_dgpu; i++) { | |
1893 | gpu_ins = &(mgpu_info.gpu_ins[i]); | |
1894 | adev = gpu_ins->adev; | |
1895 | if (!(adev->flags & AMD_IS_APU) && | |
1896 | !gpu_ins->mgpu_fan_enabled && | |
1897 | adev->powerplay.pp_funcs && | |
1898 | adev->powerplay.pp_funcs->enable_mgpu_fan_boost) { | |
1899 | ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); | |
1900 | if (ret) | |
1901 | break; | |
1902 | ||
1903 | gpu_ins->mgpu_fan_enabled = 1; | |
1904 | } | |
1905 | } | |
1906 | ||
1907 | out: | |
1908 | mutex_unlock(&mgpu_info.mutex); | |
1909 | ||
1910 | return ret; | |
1911 | } | |
1912 | ||
e3ecdffa AD |
1913 | /** |
1914 | * amdgpu_device_ip_late_init - run late init for hardware IPs | |
1915 | * | |
1916 | * @adev: amdgpu_device pointer | |
1917 | * | |
1918 | * Late initialization pass for hardware IPs. The list of all the hardware | |
1919 | * IPs that make up the asic is walked and the late_init callbacks are run. | |
1920 | * late_init covers any special initialization that an IP requires | |
1921 | * after all of the have been initialized or something that needs to happen | |
1922 | * late in the init process. | |
1923 | * Returns 0 on success, negative error code on failure. | |
1924 | */ | |
06ec9070 | 1925 | static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) |
2dc80b00 S |
1926 | { |
1927 | int i = 0, r; | |
1928 | ||
1929 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
73f847db | 1930 | if (!adev->ip_blocks[i].status.hw) |
2dc80b00 S |
1931 | continue; |
1932 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
1933 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
1934 | if (r) { | |
1935 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
1936 | adev->ip_blocks[i].version->funcs->name, r); | |
1937 | return r; | |
1938 | } | |
2dc80b00 | 1939 | } |
73f847db | 1940 | adev->ip_blocks[i].status.late_initialized = true; |
2dc80b00 S |
1941 | } |
1942 | ||
1112a46b RZ |
1943 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); |
1944 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); | |
916ac57f | 1945 | |
06ec9070 | 1946 | amdgpu_device_fill_reset_magic(adev); |
d38ceaf9 | 1947 | |
beff74bc AD |
1948 | r = amdgpu_device_enable_mgpu_fan_boost(); |
1949 | if (r) | |
1950 | DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); | |
1951 | ||
1952 | /* set to low pstate by default */ | |
1953 | amdgpu_xgmi_set_pstate(adev, 0); | |
1954 | ||
d38ceaf9 AD |
1955 | return 0; |
1956 | } | |
1957 | ||
e3ecdffa AD |
1958 | /** |
1959 | * amdgpu_device_ip_fini - run fini for hardware IPs | |
1960 | * | |
1961 | * @adev: amdgpu_device pointer | |
1962 | * | |
1963 | * Main teardown pass for hardware IPs. The list of all the hardware | |
1964 | * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks | |
1965 | * are run. hw_fini tears down the hardware associated with each IP | |
1966 | * and sw_fini tears down any software state associated with each IP. | |
1967 | * Returns 0 on success, negative error code on failure. | |
1968 | */ | |
06ec9070 | 1969 | static int amdgpu_device_ip_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
1970 | { |
1971 | int i, r; | |
1972 | ||
c030f2e4 | 1973 | amdgpu_ras_pre_fini(adev); |
1974 | ||
a82400b5 AG |
1975 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
1976 | amdgpu_xgmi_remove_device(adev); | |
1977 | ||
1884734a | 1978 | amdgpu_amdkfd_device_fini(adev); |
05df1f01 RZ |
1979 | |
1980 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); | |
fdd34271 RZ |
1981 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
1982 | ||
3e96dbfd AD |
1983 | /* need to disable SMC first */ |
1984 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1985 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 1986 | continue; |
fdd34271 | 1987 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 | 1988 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
1989 | /* XXX handle errors */ |
1990 | if (r) { | |
1991 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 1992 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 1993 | } |
a1255107 | 1994 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
1995 | break; |
1996 | } | |
1997 | } | |
1998 | ||
d38ceaf9 | 1999 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2000 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2001 | continue; |
8201a67a | 2002 | |
a1255107 | 2003 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 2004 | /* XXX handle errors */ |
2c1a2784 | 2005 | if (r) { |
a1255107 AD |
2006 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
2007 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2008 | } |
8201a67a | 2009 | |
a1255107 | 2010 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2011 | } |
2012 | ||
9950cda2 | 2013 | |
d38ceaf9 | 2014 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2015 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 2016 | continue; |
c12aba3a ML |
2017 | |
2018 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
c8963ea4 | 2019 | amdgpu_ucode_free_bo(adev); |
1e256e27 | 2020 | amdgpu_free_static_csa(&adev->virt.csa_obj); |
c12aba3a ML |
2021 | amdgpu_device_wb_fini(adev); |
2022 | amdgpu_device_vram_scratch_fini(adev); | |
533aed27 | 2023 | amdgpu_ib_pool_fini(adev); |
c12aba3a ML |
2024 | } |
2025 | ||
a1255107 | 2026 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 2027 | /* XXX handle errors */ |
2c1a2784 | 2028 | if (r) { |
a1255107 AD |
2029 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
2030 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2031 | } |
a1255107 AD |
2032 | adev->ip_blocks[i].status.sw = false; |
2033 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
2034 | } |
2035 | ||
a6dcfd9c | 2036 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2037 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 2038 | continue; |
a1255107 AD |
2039 | if (adev->ip_blocks[i].version->funcs->late_fini) |
2040 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
2041 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
2042 | } |
2043 | ||
c030f2e4 | 2044 | amdgpu_ras_fini(adev); |
2045 | ||
030308fc | 2046 | if (amdgpu_sriov_vf(adev)) |
24136135 ML |
2047 | if (amdgpu_virt_release_full_gpu(adev, false)) |
2048 | DRM_ERROR("failed to release exclusive mode on fini\n"); | |
2493664f | 2049 | |
d38ceaf9 AD |
2050 | return 0; |
2051 | } | |
2052 | ||
e3ecdffa | 2053 | /** |
beff74bc | 2054 | * amdgpu_device_delayed_init_work_handler - work handler for IB tests |
e3ecdffa | 2055 | * |
1112a46b | 2056 | * @work: work_struct. |
e3ecdffa | 2057 | */ |
beff74bc | 2058 | static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) |
2dc80b00 S |
2059 | { |
2060 | struct amdgpu_device *adev = | |
beff74bc | 2061 | container_of(work, struct amdgpu_device, delayed_init_work.work); |
916ac57f RZ |
2062 | int r; |
2063 | ||
2064 | r = amdgpu_ib_ring_tests(adev); | |
2065 | if (r) | |
2066 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2dc80b00 S |
2067 | } |
2068 | ||
1e317b99 RZ |
2069 | static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |
2070 | { | |
2071 | struct amdgpu_device *adev = | |
2072 | container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); | |
2073 | ||
2074 | mutex_lock(&adev->gfx.gfx_off_mutex); | |
2075 | if (!adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) { | |
2076 | if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) | |
2077 | adev->gfx.gfx_off_state = true; | |
2078 | } | |
2079 | mutex_unlock(&adev->gfx.gfx_off_mutex); | |
2080 | } | |
2081 | ||
e3ecdffa | 2082 | /** |
e7854a03 | 2083 | * amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1) |
e3ecdffa AD |
2084 | * |
2085 | * @adev: amdgpu_device pointer | |
2086 | * | |
2087 | * Main suspend function for hardware IPs. The list of all the hardware | |
2088 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2089 | * suspend callbacks are run. suspend puts the hardware and software state | |
2090 | * in each IP into a state suitable for suspend. | |
2091 | * Returns 0 on success, negative error code on failure. | |
2092 | */ | |
e7854a03 AD |
2093 | static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) |
2094 | { | |
2095 | int i, r; | |
2096 | ||
05df1f01 | 2097 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
fdd34271 | 2098 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
05df1f01 | 2099 | |
e7854a03 AD |
2100 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
2101 | if (!adev->ip_blocks[i].status.valid) | |
2102 | continue; | |
2103 | /* displays are handled separately */ | |
2104 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) { | |
e7854a03 AD |
2105 | /* XXX handle errors */ |
2106 | r = adev->ip_blocks[i].version->funcs->suspend(adev); | |
2107 | /* XXX handle errors */ | |
2108 | if (r) { | |
2109 | DRM_ERROR("suspend of IP block <%s> failed %d\n", | |
2110 | adev->ip_blocks[i].version->funcs->name, r); | |
2111 | } | |
2112 | } | |
2113 | } | |
2114 | ||
e7854a03 AD |
2115 | return 0; |
2116 | } | |
2117 | ||
2118 | /** | |
2119 | * amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2) | |
2120 | * | |
2121 | * @adev: amdgpu_device pointer | |
2122 | * | |
2123 | * Main suspend function for hardware IPs. The list of all the hardware | |
2124 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2125 | * suspend callbacks are run. suspend puts the hardware and software state | |
2126 | * in each IP into a state suitable for suspend. | |
2127 | * Returns 0 on success, negative error code on failure. | |
2128 | */ | |
2129 | static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) | |
d38ceaf9 AD |
2130 | { |
2131 | int i, r; | |
2132 | ||
2133 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
a1255107 | 2134 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2135 | continue; |
e7854a03 AD |
2136 | /* displays are handled in phase1 */ |
2137 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) | |
2138 | continue; | |
d38ceaf9 | 2139 | /* XXX handle errors */ |
a1255107 | 2140 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 2141 | /* XXX handle errors */ |
2c1a2784 | 2142 | if (r) { |
a1255107 AD |
2143 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
2144 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2145 | } |
d38ceaf9 AD |
2146 | } |
2147 | ||
2148 | return 0; | |
2149 | } | |
2150 | ||
e7854a03 AD |
2151 | /** |
2152 | * amdgpu_device_ip_suspend - run suspend for hardware IPs | |
2153 | * | |
2154 | * @adev: amdgpu_device pointer | |
2155 | * | |
2156 | * Main suspend function for hardware IPs. The list of all the hardware | |
2157 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2158 | * suspend callbacks are run. suspend puts the hardware and software state | |
2159 | * in each IP into a state suitable for suspend. | |
2160 | * Returns 0 on success, negative error code on failure. | |
2161 | */ | |
2162 | int amdgpu_device_ip_suspend(struct amdgpu_device *adev) | |
2163 | { | |
2164 | int r; | |
2165 | ||
e7819644 YT |
2166 | if (amdgpu_sriov_vf(adev)) |
2167 | amdgpu_virt_request_full_gpu(adev, false); | |
2168 | ||
e7854a03 AD |
2169 | r = amdgpu_device_ip_suspend_phase1(adev); |
2170 | if (r) | |
2171 | return r; | |
2172 | r = amdgpu_device_ip_suspend_phase2(adev); | |
2173 | ||
e7819644 YT |
2174 | if (amdgpu_sriov_vf(adev)) |
2175 | amdgpu_virt_release_full_gpu(adev, false); | |
2176 | ||
e7854a03 AD |
2177 | return r; |
2178 | } | |
2179 | ||
06ec9070 | 2180 | static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2181 | { |
2182 | int i, r; | |
2183 | ||
2cb681b6 ML |
2184 | static enum amd_ip_block_type ip_order[] = { |
2185 | AMD_IP_BLOCK_TYPE_GMC, | |
2186 | AMD_IP_BLOCK_TYPE_COMMON, | |
39186aef | 2187 | AMD_IP_BLOCK_TYPE_PSP, |
2cb681b6 ML |
2188 | AMD_IP_BLOCK_TYPE_IH, |
2189 | }; | |
a90ad3c2 | 2190 | |
2cb681b6 ML |
2191 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2192 | int j; | |
2193 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2194 | |
2cb681b6 ML |
2195 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2196 | block = &adev->ip_blocks[j]; | |
2197 | ||
2198 | if (block->version->type != ip_order[i] || | |
2199 | !block->status.valid) | |
2200 | continue; | |
2201 | ||
2202 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 2203 | DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2204 | if (r) |
2205 | return r; | |
a90ad3c2 ML |
2206 | } |
2207 | } | |
2208 | ||
2209 | return 0; | |
2210 | } | |
2211 | ||
06ec9070 | 2212 | static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2213 | { |
2214 | int i, r; | |
2215 | ||
2cb681b6 ML |
2216 | static enum amd_ip_block_type ip_order[] = { |
2217 | AMD_IP_BLOCK_TYPE_SMC, | |
2218 | AMD_IP_BLOCK_TYPE_DCE, | |
2219 | AMD_IP_BLOCK_TYPE_GFX, | |
2220 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c FM |
2221 | AMD_IP_BLOCK_TYPE_UVD, |
2222 | AMD_IP_BLOCK_TYPE_VCE | |
2cb681b6 | 2223 | }; |
a90ad3c2 | 2224 | |
2cb681b6 ML |
2225 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2226 | int j; | |
2227 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2228 | |
2cb681b6 ML |
2229 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2230 | block = &adev->ip_blocks[j]; | |
2231 | ||
2232 | if (block->version->type != ip_order[i] || | |
2233 | !block->status.valid) | |
2234 | continue; | |
2235 | ||
2236 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 2237 | DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2238 | if (r) |
2239 | return r; | |
a90ad3c2 ML |
2240 | } |
2241 | } | |
2242 | ||
2243 | return 0; | |
2244 | } | |
2245 | ||
e3ecdffa AD |
2246 | /** |
2247 | * amdgpu_device_ip_resume_phase1 - run resume for hardware IPs | |
2248 | * | |
2249 | * @adev: amdgpu_device pointer | |
2250 | * | |
2251 | * First resume function for hardware IPs. The list of all the hardware | |
2252 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2253 | * COMMON, GMC, and IH. resume puts the hardware into a functional state | |
2254 | * after a suspend and updates the software state as necessary. This | |
2255 | * function is also used for restoring the GPU after a GPU reset. | |
2256 | * Returns 0 on success, negative error code on failure. | |
2257 | */ | |
06ec9070 | 2258 | static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
2259 | { |
2260 | int i, r; | |
2261 | ||
a90ad3c2 ML |
2262 | for (i = 0; i < adev->num_ip_blocks; i++) { |
2263 | if (!adev->ip_blocks[i].status.valid) | |
2264 | continue; | |
a90ad3c2 | 2265 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa AD |
2266 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
2267 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { | |
fcf0649f CZ |
2268 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2269 | if (r) { | |
2270 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
2271 | adev->ip_blocks[i].version->funcs->name, r); | |
2272 | return r; | |
2273 | } | |
a90ad3c2 ML |
2274 | } |
2275 | } | |
2276 | ||
2277 | return 0; | |
2278 | } | |
2279 | ||
e3ecdffa AD |
2280 | /** |
2281 | * amdgpu_device_ip_resume_phase2 - run resume for hardware IPs | |
2282 | * | |
2283 | * @adev: amdgpu_device pointer | |
2284 | * | |
2285 | * First resume function for hardware IPs. The list of all the hardware | |
2286 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2287 | * all blocks except COMMON, GMC, and IH. resume puts the hardware into a | |
2288 | * functional state after a suspend and updates the software state as | |
2289 | * necessary. This function is also used for restoring the GPU after a GPU | |
2290 | * reset. | |
2291 | * Returns 0 on success, negative error code on failure. | |
2292 | */ | |
06ec9070 | 2293 | static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
2294 | { |
2295 | int i, r; | |
2296 | ||
2297 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2298 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2299 | continue; |
fcf0649f | 2300 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 2301 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
7a3e0bb2 RZ |
2302 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
2303 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
fcf0649f | 2304 | continue; |
a1255107 | 2305 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 2306 | if (r) { |
a1255107 AD |
2307 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
2308 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2309 | return r; |
2c1a2784 | 2310 | } |
d38ceaf9 AD |
2311 | } |
2312 | ||
2313 | return 0; | |
2314 | } | |
2315 | ||
e3ecdffa AD |
2316 | /** |
2317 | * amdgpu_device_ip_resume - run resume for hardware IPs | |
2318 | * | |
2319 | * @adev: amdgpu_device pointer | |
2320 | * | |
2321 | * Main resume function for hardware IPs. The hardware IPs | |
2322 | * are split into two resume functions because they are | |
2323 | * are also used in in recovering from a GPU reset and some additional | |
2324 | * steps need to be take between them. In this case (S3/S4) they are | |
2325 | * run sequentially. | |
2326 | * Returns 0 on success, negative error code on failure. | |
2327 | */ | |
06ec9070 | 2328 | static int amdgpu_device_ip_resume(struct amdgpu_device *adev) |
fcf0649f CZ |
2329 | { |
2330 | int r; | |
2331 | ||
06ec9070 | 2332 | r = amdgpu_device_ip_resume_phase1(adev); |
fcf0649f CZ |
2333 | if (r) |
2334 | return r; | |
7a3e0bb2 RZ |
2335 | |
2336 | r = amdgpu_device_fw_loading(adev); | |
2337 | if (r) | |
2338 | return r; | |
2339 | ||
06ec9070 | 2340 | r = amdgpu_device_ip_resume_phase2(adev); |
fcf0649f CZ |
2341 | |
2342 | return r; | |
2343 | } | |
2344 | ||
e3ecdffa AD |
2345 | /** |
2346 | * amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV | |
2347 | * | |
2348 | * @adev: amdgpu_device pointer | |
2349 | * | |
2350 | * Query the VBIOS data tables to determine if the board supports SR-IOV. | |
2351 | */ | |
4e99a44e | 2352 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 2353 | { |
6867e1b5 ML |
2354 | if (amdgpu_sriov_vf(adev)) { |
2355 | if (adev->is_atom_fw) { | |
2356 | if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) | |
2357 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2358 | } else { | |
2359 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
2360 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2361 | } | |
2362 | ||
2363 | if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)) | |
2364 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); | |
a5bde2f9 | 2365 | } |
048765ad AR |
2366 | } |
2367 | ||
e3ecdffa AD |
2368 | /** |
2369 | * amdgpu_device_asic_has_dc_support - determine if DC supports the asic | |
2370 | * | |
2371 | * @asic_type: AMD asic type | |
2372 | * | |
2373 | * Check if there is DC (new modesetting infrastructre) support for an asic. | |
2374 | * returns true if DC has support, false if not. | |
2375 | */ | |
4562236b HW |
2376 | bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) |
2377 | { | |
2378 | switch (asic_type) { | |
2379 | #if defined(CONFIG_DRM_AMD_DC) | |
2380 | case CHIP_BONAIRE: | |
0d6fbccb | 2381 | case CHIP_KAVERI: |
367e6687 AD |
2382 | case CHIP_KABINI: |
2383 | case CHIP_MULLINS: | |
d9fda248 HW |
2384 | /* |
2385 | * We have systems in the wild with these ASICs that require | |
2386 | * LVDS and VGA support which is not supported with DC. | |
2387 | * | |
2388 | * Fallback to the non-DC driver here by default so as not to | |
2389 | * cause regressions. | |
2390 | */ | |
2391 | return amdgpu_dc > 0; | |
2392 | case CHIP_HAWAII: | |
4562236b HW |
2393 | case CHIP_CARRIZO: |
2394 | case CHIP_STONEY: | |
4562236b | 2395 | case CHIP_POLARIS10: |
675fd32b | 2396 | case CHIP_POLARIS11: |
2c8ad2d5 | 2397 | case CHIP_POLARIS12: |
675fd32b | 2398 | case CHIP_VEGAM: |
4562236b HW |
2399 | case CHIP_TONGA: |
2400 | case CHIP_FIJI: | |
42f8ffa1 | 2401 | case CHIP_VEGA10: |
dca7b401 | 2402 | case CHIP_VEGA12: |
c6034aa2 | 2403 | case CHIP_VEGA20: |
dc37a9a0 | 2404 | #if defined(CONFIG_DRM_AMD_DC_DCN1_0) |
fd187853 | 2405 | case CHIP_RAVEN: |
42f8ffa1 | 2406 | #endif |
fd187853 | 2407 | return amdgpu_dc != 0; |
4562236b HW |
2408 | #endif |
2409 | default: | |
2410 | return false; | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | /** | |
2415 | * amdgpu_device_has_dc_support - check if dc is supported | |
2416 | * | |
2417 | * @adev: amdgpu_device_pointer | |
2418 | * | |
2419 | * Returns true for supported, false for not supported | |
2420 | */ | |
2421 | bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) | |
2422 | { | |
2555039d XY |
2423 | if (amdgpu_sriov_vf(adev)) |
2424 | return false; | |
2425 | ||
4562236b HW |
2426 | return amdgpu_device_asic_has_dc_support(adev->asic_type); |
2427 | } | |
2428 | ||
d4535e2c AG |
2429 | |
2430 | static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) | |
2431 | { | |
2432 | struct amdgpu_device *adev = | |
2433 | container_of(__work, struct amdgpu_device, xgmi_reset_work); | |
2434 | ||
2435 | adev->asic_reset_res = amdgpu_asic_reset(adev); | |
2436 | if (adev->asic_reset_res) | |
fed184e9 | 2437 | DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", |
d4535e2c AG |
2438 | adev->asic_reset_res, adev->ddev->unique); |
2439 | } | |
2440 | ||
2441 | ||
d38ceaf9 AD |
2442 | /** |
2443 | * amdgpu_device_init - initialize the driver | |
2444 | * | |
2445 | * @adev: amdgpu_device pointer | |
87e3f136 | 2446 | * @ddev: drm dev pointer |
d38ceaf9 AD |
2447 | * @pdev: pci dev pointer |
2448 | * @flags: driver flags | |
2449 | * | |
2450 | * Initializes the driver info and hw (all asics). | |
2451 | * Returns 0 for success or an error on failure. | |
2452 | * Called at driver startup. | |
2453 | */ | |
2454 | int amdgpu_device_init(struct amdgpu_device *adev, | |
2455 | struct drm_device *ddev, | |
2456 | struct pci_dev *pdev, | |
2457 | uint32_t flags) | |
2458 | { | |
2459 | int r, i; | |
2460 | bool runtime = false; | |
95844d20 | 2461 | u32 max_MBps; |
d38ceaf9 AD |
2462 | |
2463 | adev->shutdown = false; | |
2464 | adev->dev = &pdev->dev; | |
2465 | adev->ddev = ddev; | |
2466 | adev->pdev = pdev; | |
2467 | adev->flags = flags; | |
2f7d10b3 | 2468 | adev->asic_type = flags & AMD_ASIC_MASK; |
d38ceaf9 | 2469 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
593aa2d2 SL |
2470 | if (amdgpu_emu_mode == 1) |
2471 | adev->usec_timeout *= 2; | |
770d13b1 | 2472 | adev->gmc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
2473 | adev->accel_working = false; |
2474 | adev->num_rings = 0; | |
2475 | adev->mman.buffer_funcs = NULL; | |
2476 | adev->mman.buffer_funcs_ring = NULL; | |
2477 | adev->vm_manager.vm_pte_funcs = NULL; | |
3798e9a6 | 2478 | adev->vm_manager.vm_pte_num_rqs = 0; |
132f34e4 | 2479 | adev->gmc.gmc_funcs = NULL; |
f54d1867 | 2480 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
b8866c26 | 2481 | bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); |
d38ceaf9 AD |
2482 | |
2483 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
2484 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
2485 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
2486 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
2487 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
2488 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
2489 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
2490 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
2491 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
2492 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
2493 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
2494 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
2495 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
2496 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
2497 | ||
3e39ab90 AD |
2498 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
2499 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
2500 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
2501 | |
2502 | /* mutex initialization are all done here so we | |
2503 | * can recall function without having locking issues */ | |
d38ceaf9 | 2504 | atomic_set(&adev->irq.ih.lock, 0); |
0e5ca0d1 | 2505 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
2506 | mutex_init(&adev->pm.mutex); |
2507 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
2508 | mutex_init(&adev->srbm_mutex); | |
b8866c26 | 2509 | mutex_init(&adev->gfx.pipe_reserve_mutex); |
d23ee13f | 2510 | mutex_init(&adev->gfx.gfx_off_mutex); |
d38ceaf9 | 2511 | mutex_init(&adev->grbm_idx_mutex); |
d38ceaf9 | 2512 | mutex_init(&adev->mn_lock); |
e23b74aa | 2513 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 | 2514 | hash_init(adev->mn_hash); |
13a752e3 | 2515 | mutex_init(&adev->lock_reset); |
bb5a2bdf | 2516 | mutex_init(&adev->virt.dpm_mutex); |
d38ceaf9 | 2517 | |
912dfc84 EQ |
2518 | r = amdgpu_device_check_arguments(adev); |
2519 | if (r) | |
2520 | return r; | |
d38ceaf9 | 2521 | |
d38ceaf9 AD |
2522 | spin_lock_init(&adev->mmio_idx_lock); |
2523 | spin_lock_init(&adev->smc_idx_lock); | |
2524 | spin_lock_init(&adev->pcie_idx_lock); | |
2525 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
2526 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 2527 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 2528 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 2529 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 2530 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 2531 | |
0c4e7fa5 CZ |
2532 | INIT_LIST_HEAD(&adev->shadow_list); |
2533 | mutex_init(&adev->shadow_list_lock); | |
2534 | ||
795f2813 AR |
2535 | INIT_LIST_HEAD(&adev->ring_lru_list); |
2536 | spin_lock_init(&adev->ring_lru_list_lock); | |
2537 | ||
beff74bc AD |
2538 | INIT_DELAYED_WORK(&adev->delayed_init_work, |
2539 | amdgpu_device_delayed_init_work_handler); | |
1e317b99 RZ |
2540 | INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, |
2541 | amdgpu_device_delay_enable_gfx_off); | |
2dc80b00 | 2542 | |
d4535e2c AG |
2543 | INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |
2544 | ||
d23ee13f | 2545 | adev->gfx.gfx_off_req_count = 1; |
b1ddf548 RZ |
2546 | adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false; |
2547 | ||
0fa49558 AX |
2548 | /* Registers mapping */ |
2549 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
2550 | if (adev->asic_type >= CHIP_BONAIRE) { |
2551 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
2552 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
2553 | } else { | |
2554 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
2555 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
2556 | } | |
d38ceaf9 | 2557 | |
d38ceaf9 AD |
2558 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
2559 | if (adev->rmmio == NULL) { | |
2560 | return -ENOMEM; | |
2561 | } | |
2562 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
2563 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
2564 | ||
d38ceaf9 AD |
2565 | /* io port mapping */ |
2566 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
2567 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
2568 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
2569 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
2570 | break; | |
2571 | } | |
2572 | } | |
2573 | if (adev->rio_mem == NULL) | |
b64a18c5 | 2574 | DRM_INFO("PCI I/O BAR is not found.\n"); |
d38ceaf9 | 2575 | |
5494d864 AD |
2576 | amdgpu_device_get_pcie_info(adev); |
2577 | ||
b239c017 JX |
2578 | if (amdgpu_mcbp) |
2579 | DRM_INFO("MCBP is enabled\n"); | |
2580 | ||
5f84cc63 JX |
2581 | if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10) |
2582 | adev->enable_mes = true; | |
2583 | ||
a190d1c7 XY |
2584 | if (amdgpu_discovery) { |
2585 | r = amdgpu_discovery_init(adev); | |
2586 | if (r) { | |
2587 | dev_err(adev->dev, "amdgpu_discovery_init failed\n"); | |
2588 | return r; | |
2589 | } | |
2590 | } | |
2591 | ||
d38ceaf9 | 2592 | /* early init functions */ |
06ec9070 | 2593 | r = amdgpu_device_ip_early_init(adev); |
d38ceaf9 AD |
2594 | if (r) |
2595 | return r; | |
2596 | ||
6585661d OZ |
2597 | /* doorbell bar mapping and doorbell index init*/ |
2598 | amdgpu_device_doorbell_init(adev); | |
2599 | ||
d38ceaf9 AD |
2600 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ |
2601 | /* this will fail for cards that aren't VGA class devices, just | |
2602 | * ignore it */ | |
06ec9070 | 2603 | vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); |
d38ceaf9 | 2604 | |
e9bef455 | 2605 | if (amdgpu_device_is_px(ddev)) |
d38ceaf9 | 2606 | runtime = true; |
84c8b22e LW |
2607 | if (!pci_is_thunderbolt_attached(adev->pdev)) |
2608 | vga_switcheroo_register_client(adev->pdev, | |
2609 | &amdgpu_switcheroo_ops, runtime); | |
d38ceaf9 AD |
2610 | if (runtime) |
2611 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); | |
2612 | ||
9475a943 SL |
2613 | if (amdgpu_emu_mode == 1) { |
2614 | /* post the asic on emulation mode */ | |
2615 | emu_soc_asic_init(adev); | |
bfca0289 | 2616 | goto fence_driver_init; |
9475a943 | 2617 | } |
bfca0289 | 2618 | |
4e99a44e ML |
2619 | /* detect if we are with an SRIOV vbios */ |
2620 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 2621 | |
95e8e59e AD |
2622 | /* check if we need to reset the asic |
2623 | * E.g., driver was not cleanly unloaded previously, etc. | |
2624 | */ | |
f14899fd | 2625 | if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { |
95e8e59e AD |
2626 | r = amdgpu_asic_reset(adev); |
2627 | if (r) { | |
2628 | dev_err(adev->dev, "asic reset on init failed\n"); | |
2629 | goto failed; | |
2630 | } | |
2631 | } | |
2632 | ||
d38ceaf9 | 2633 | /* Post card if necessary */ |
39c640c0 | 2634 | if (amdgpu_device_need_post(adev)) { |
d38ceaf9 | 2635 | if (!adev->bios) { |
bec86378 | 2636 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
2637 | r = -EINVAL; |
2638 | goto failed; | |
d38ceaf9 | 2639 | } |
bec86378 | 2640 | DRM_INFO("GPU posting now...\n"); |
4e99a44e ML |
2641 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
2642 | if (r) { | |
2643 | dev_err(adev->dev, "gpu post error!\n"); | |
2644 | goto failed; | |
2645 | } | |
d38ceaf9 AD |
2646 | } |
2647 | ||
88b64e95 AD |
2648 | if (adev->is_atom_fw) { |
2649 | /* Initialize clocks */ | |
2650 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
2651 | if (r) { | |
2652 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
e23b74aa | 2653 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
88b64e95 AD |
2654 | goto failed; |
2655 | } | |
2656 | } else { | |
a5bde2f9 AD |
2657 | /* Initialize clocks */ |
2658 | r = amdgpu_atombios_get_clock_info(adev); | |
2659 | if (r) { | |
2660 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
e23b74aa | 2661 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
89041940 | 2662 | goto failed; |
a5bde2f9 AD |
2663 | } |
2664 | /* init i2c buses */ | |
4562236b HW |
2665 | if (!amdgpu_device_has_dc_support(adev)) |
2666 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 2667 | } |
d38ceaf9 | 2668 | |
bfca0289 | 2669 | fence_driver_init: |
d38ceaf9 AD |
2670 | /* Fence driver */ |
2671 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
2672 | if (r) { |
2673 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
e23b74aa | 2674 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 2675 | goto failed; |
2c1a2784 | 2676 | } |
d38ceaf9 AD |
2677 | |
2678 | /* init the mode config */ | |
2679 | drm_mode_config_init(adev->ddev); | |
2680 | ||
06ec9070 | 2681 | r = amdgpu_device_ip_init(adev); |
d38ceaf9 | 2682 | if (r) { |
8840a387 | 2683 | /* failed in exclusive mode due to timeout */ |
2684 | if (amdgpu_sriov_vf(adev) && | |
2685 | !amdgpu_sriov_runtime(adev) && | |
2686 | amdgpu_virt_mmio_blocked(adev) && | |
2687 | !amdgpu_virt_wait_reset(adev)) { | |
2688 | dev_err(adev->dev, "VF exclusive mode timeout\n"); | |
1daee8b4 PD |
2689 | /* Don't send request since VF is inactive. */ |
2690 | adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; | |
2691 | adev->virt.ops = NULL; | |
8840a387 | 2692 | r = -EAGAIN; |
2693 | goto failed; | |
2694 | } | |
06ec9070 | 2695 | dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); |
e23b74aa | 2696 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
72d3f592 ED |
2697 | if (amdgpu_virt_request_full_gpu(adev, false)) |
2698 | amdgpu_virt_release_full_gpu(adev, false); | |
83ba126a | 2699 | goto failed; |
d38ceaf9 AD |
2700 | } |
2701 | ||
2702 | adev->accel_working = true; | |
2703 | ||
e59c0205 AX |
2704 | amdgpu_vm_check_compute_bug(adev); |
2705 | ||
95844d20 MO |
2706 | /* Initialize the buffer migration limit. */ |
2707 | if (amdgpu_moverate >= 0) | |
2708 | max_MBps = amdgpu_moverate; | |
2709 | else | |
2710 | max_MBps = 8; /* Allow 8 MB/s. */ | |
2711 | /* Get a log2 for easy divisions. */ | |
2712 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
2713 | ||
9bc92b9c ML |
2714 | amdgpu_fbdev_init(adev); |
2715 | ||
e9bc1bf7 YT |
2716 | if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev)) |
2717 | amdgpu_pm_virt_sysfs_init(adev); | |
2718 | ||
d2f52ac8 RZ |
2719 | r = amdgpu_pm_sysfs_init(adev); |
2720 | if (r) | |
2721 | DRM_ERROR("registering pm debugfs failed (%d).\n", r); | |
2722 | ||
5bb23532 OM |
2723 | r = amdgpu_ucode_sysfs_init(adev); |
2724 | if (r) | |
2725 | DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); | |
2726 | ||
75758255 | 2727 | r = amdgpu_debugfs_gem_init(adev); |
3f14e623 | 2728 | if (r) |
d38ceaf9 | 2729 | DRM_ERROR("registering gem debugfs failed (%d).\n", r); |
d38ceaf9 AD |
2730 | |
2731 | r = amdgpu_debugfs_regs_init(adev); | |
3f14e623 | 2732 | if (r) |
d38ceaf9 | 2733 | DRM_ERROR("registering register debugfs failed (%d).\n", r); |
d38ceaf9 | 2734 | |
50ab2533 | 2735 | r = amdgpu_debugfs_firmware_init(adev); |
3f14e623 | 2736 | if (r) |
50ab2533 | 2737 | DRM_ERROR("registering firmware debugfs failed (%d).\n", r); |
50ab2533 | 2738 | |
763efb6c | 2739 | r = amdgpu_debugfs_init(adev); |
db95e218 | 2740 | if (r) |
763efb6c | 2741 | DRM_ERROR("Creating debugfs files failed (%d).\n", r); |
db95e218 | 2742 | |
d38ceaf9 AD |
2743 | if ((amdgpu_testing & 1)) { |
2744 | if (adev->accel_working) | |
2745 | amdgpu_test_moves(adev); | |
2746 | else | |
2747 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
2748 | } | |
d38ceaf9 AD |
2749 | if (amdgpu_benchmarking) { |
2750 | if (adev->accel_working) | |
2751 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
2752 | else | |
2753 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
2754 | } | |
2755 | ||
2756 | /* enable clockgating, etc. after ib tests, etc. since some blocks require | |
2757 | * explicit gating rather than handling it automatically. | |
2758 | */ | |
06ec9070 | 2759 | r = amdgpu_device_ip_late_init(adev); |
2c1a2784 | 2760 | if (r) { |
06ec9070 | 2761 | dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); |
e23b74aa | 2762 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); |
83ba126a | 2763 | goto failed; |
2c1a2784 | 2764 | } |
d38ceaf9 | 2765 | |
108c6a63 | 2766 | /* must succeed. */ |
511fdbc3 | 2767 | amdgpu_ras_resume(adev); |
108c6a63 | 2768 | |
beff74bc AD |
2769 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
2770 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
2771 | ||
dcea6e65 KR |
2772 | r = device_create_file(adev->dev, &dev_attr_pcie_replay_count); |
2773 | if (r) { | |
2774 | dev_err(adev->dev, "Could not create pcie_replay_count"); | |
2775 | return r; | |
2776 | } | |
108c6a63 | 2777 | |
9c7c85f7 JK |
2778 | r = amdgpu_pmu_init(adev); |
2779 | if (r) | |
2780 | dev_err(adev->dev, "amdgpu_pmu_init failed\n"); | |
2781 | ||
d38ceaf9 | 2782 | return 0; |
83ba126a AD |
2783 | |
2784 | failed: | |
89041940 | 2785 | amdgpu_vf_error_trans_all(adev); |
83ba126a AD |
2786 | if (runtime) |
2787 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
8840a387 | 2788 | |
83ba126a | 2789 | return r; |
d38ceaf9 AD |
2790 | } |
2791 | ||
d38ceaf9 AD |
2792 | /** |
2793 | * amdgpu_device_fini - tear down the driver | |
2794 | * | |
2795 | * @adev: amdgpu_device pointer | |
2796 | * | |
2797 | * Tear down the driver info (all asics). | |
2798 | * Called at driver shutdown. | |
2799 | */ | |
2800 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
2801 | { | |
2802 | int r; | |
2803 | ||
2804 | DRM_INFO("amdgpu: finishing device.\n"); | |
2805 | adev->shutdown = true; | |
e5b03032 ML |
2806 | /* disable all interrupts */ |
2807 | amdgpu_irq_disable_all(adev); | |
ff97cba8 ML |
2808 | if (adev->mode_info.mode_config_initialized){ |
2809 | if (!amdgpu_device_has_dc_support(adev)) | |
c2d88e06 | 2810 | drm_helper_force_disable_all(adev->ddev); |
ff97cba8 ML |
2811 | else |
2812 | drm_atomic_helper_shutdown(adev->ddev); | |
2813 | } | |
d38ceaf9 | 2814 | amdgpu_fence_driver_fini(adev); |
58e955d9 | 2815 | amdgpu_pm_sysfs_fini(adev); |
d38ceaf9 | 2816 | amdgpu_fbdev_fini(adev); |
06ec9070 | 2817 | r = amdgpu_device_ip_fini(adev); |
ab4fe3e1 HR |
2818 | if (adev->firmware.gpu_info_fw) { |
2819 | release_firmware(adev->firmware.gpu_info_fw); | |
2820 | adev->firmware.gpu_info_fw = NULL; | |
2821 | } | |
d38ceaf9 | 2822 | adev->accel_working = false; |
beff74bc | 2823 | cancel_delayed_work_sync(&adev->delayed_init_work); |
d38ceaf9 | 2824 | /* free i2c buses */ |
4562236b HW |
2825 | if (!amdgpu_device_has_dc_support(adev)) |
2826 | amdgpu_i2c_fini(adev); | |
bfca0289 SL |
2827 | |
2828 | if (amdgpu_emu_mode != 1) | |
2829 | amdgpu_atombios_fini(adev); | |
2830 | ||
d38ceaf9 AD |
2831 | kfree(adev->bios); |
2832 | adev->bios = NULL; | |
84c8b22e LW |
2833 | if (!pci_is_thunderbolt_attached(adev->pdev)) |
2834 | vga_switcheroo_unregister_client(adev->pdev); | |
83ba126a AD |
2835 | if (adev->flags & AMD_IS_PX) |
2836 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
d38ceaf9 AD |
2837 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
2838 | if (adev->rio_mem) | |
2839 | pci_iounmap(adev->pdev, adev->rio_mem); | |
2840 | adev->rio_mem = NULL; | |
2841 | iounmap(adev->rmmio); | |
2842 | adev->rmmio = NULL; | |
06ec9070 | 2843 | amdgpu_device_doorbell_fini(adev); |
e9bc1bf7 YT |
2844 | if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev)) |
2845 | amdgpu_pm_virt_sysfs_fini(adev); | |
2846 | ||
d38ceaf9 | 2847 | amdgpu_debugfs_regs_cleanup(adev); |
dcea6e65 | 2848 | device_remove_file(adev->dev, &dev_attr_pcie_replay_count); |
5bb23532 | 2849 | amdgpu_ucode_sysfs_fini(adev); |
9c7c85f7 | 2850 | amdgpu_pmu_fini(adev); |
6698a3d0 | 2851 | amdgpu_debugfs_preempt_cleanup(adev); |
a190d1c7 XY |
2852 | if (amdgpu_discovery) |
2853 | amdgpu_discovery_fini(adev); | |
d38ceaf9 AD |
2854 | } |
2855 | ||
2856 | ||
2857 | /* | |
2858 | * Suspend & resume. | |
2859 | */ | |
2860 | /** | |
810ddc3a | 2861 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 | 2862 | * |
87e3f136 DP |
2863 | * @dev: drm dev pointer |
2864 | * @suspend: suspend state | |
2865 | * @fbcon : notify the fbdev of suspend | |
d38ceaf9 AD |
2866 | * |
2867 | * Puts the hw in the suspend state (all asics). | |
2868 | * Returns 0 for success or an error on failure. | |
2869 | * Called at driver suspend. | |
2870 | */ | |
810ddc3a | 2871 | int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) |
d38ceaf9 AD |
2872 | { |
2873 | struct amdgpu_device *adev; | |
2874 | struct drm_crtc *crtc; | |
2875 | struct drm_connector *connector; | |
5ceb54c6 | 2876 | int r; |
d38ceaf9 AD |
2877 | |
2878 | if (dev == NULL || dev->dev_private == NULL) { | |
2879 | return -ENODEV; | |
2880 | } | |
2881 | ||
2882 | adev = dev->dev_private; | |
2883 | ||
2884 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
2885 | return 0; | |
2886 | ||
44779b43 | 2887 | adev->in_suspend = true; |
d38ceaf9 AD |
2888 | drm_kms_helper_poll_disable(dev); |
2889 | ||
5f818173 S |
2890 | if (fbcon) |
2891 | amdgpu_fbdev_set_suspend(adev, 1); | |
2892 | ||
beff74bc | 2893 | cancel_delayed_work_sync(&adev->delayed_init_work); |
a5459475 | 2894 | |
4562236b HW |
2895 | if (!amdgpu_device_has_dc_support(adev)) { |
2896 | /* turn off display hw */ | |
2897 | drm_modeset_lock_all(dev); | |
2898 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2899 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
2900 | } | |
2901 | drm_modeset_unlock_all(dev); | |
fe1053b7 AD |
2902 | /* unpin the front buffers and cursors */ |
2903 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2904 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
2905 | struct drm_framebuffer *fb = crtc->primary->fb; | |
2906 | struct amdgpu_bo *robj; | |
2907 | ||
91334223 | 2908 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
2909 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
2910 | r = amdgpu_bo_reserve(aobj, true); | |
2911 | if (r == 0) { | |
2912 | amdgpu_bo_unpin(aobj); | |
2913 | amdgpu_bo_unreserve(aobj); | |
2914 | } | |
756e6880 | 2915 | } |
756e6880 | 2916 | |
fe1053b7 AD |
2917 | if (fb == NULL || fb->obj[0] == NULL) { |
2918 | continue; | |
2919 | } | |
2920 | robj = gem_to_amdgpu_bo(fb->obj[0]); | |
2921 | /* don't unpin kernel fb objects */ | |
2922 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
2923 | r = amdgpu_bo_reserve(robj, true); | |
2924 | if (r == 0) { | |
2925 | amdgpu_bo_unpin(robj); | |
2926 | amdgpu_bo_unreserve(robj); | |
2927 | } | |
d38ceaf9 AD |
2928 | } |
2929 | } | |
2930 | } | |
fe1053b7 AD |
2931 | |
2932 | amdgpu_amdkfd_suspend(adev); | |
2933 | ||
5e6932fe | 2934 | amdgpu_ras_suspend(adev); |
2935 | ||
fe1053b7 AD |
2936 | r = amdgpu_device_ip_suspend_phase1(adev); |
2937 | ||
d38ceaf9 AD |
2938 | /* evict vram memory */ |
2939 | amdgpu_bo_evict_vram(adev); | |
2940 | ||
5ceb54c6 | 2941 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 | 2942 | |
fe1053b7 | 2943 | r = amdgpu_device_ip_suspend_phase2(adev); |
d38ceaf9 | 2944 | |
a0a71e49 AD |
2945 | /* evict remaining vram memory |
2946 | * This second call to evict vram is to evict the gart page table | |
2947 | * using the CPU. | |
2948 | */ | |
d38ceaf9 AD |
2949 | amdgpu_bo_evict_vram(adev); |
2950 | ||
2951 | pci_save_state(dev->pdev); | |
2952 | if (suspend) { | |
2953 | /* Shut down the device */ | |
2954 | pci_disable_device(dev->pdev); | |
2955 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
74b0b157 | 2956 | } else { |
2957 | r = amdgpu_asic_reset(adev); | |
2958 | if (r) | |
2959 | DRM_ERROR("amdgpu asic reset failed\n"); | |
d38ceaf9 AD |
2960 | } |
2961 | ||
d38ceaf9 AD |
2962 | return 0; |
2963 | } | |
2964 | ||
2965 | /** | |
810ddc3a | 2966 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 | 2967 | * |
87e3f136 DP |
2968 | * @dev: drm dev pointer |
2969 | * @resume: resume state | |
2970 | * @fbcon : notify the fbdev of resume | |
d38ceaf9 AD |
2971 | * |
2972 | * Bring the hw back to operating state (all asics). | |
2973 | * Returns 0 for success or an error on failure. | |
2974 | * Called at driver resume. | |
2975 | */ | |
810ddc3a | 2976 | int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) |
d38ceaf9 AD |
2977 | { |
2978 | struct drm_connector *connector; | |
2979 | struct amdgpu_device *adev = dev->dev_private; | |
756e6880 | 2980 | struct drm_crtc *crtc; |
03161a6e | 2981 | int r = 0; |
d38ceaf9 AD |
2982 | |
2983 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
2984 | return 0; | |
2985 | ||
d38ceaf9 AD |
2986 | if (resume) { |
2987 | pci_set_power_state(dev->pdev, PCI_D0); | |
2988 | pci_restore_state(dev->pdev); | |
74b0b157 | 2989 | r = pci_enable_device(dev->pdev); |
03161a6e | 2990 | if (r) |
4d3b9ae5 | 2991 | return r; |
d38ceaf9 AD |
2992 | } |
2993 | ||
2994 | /* post card */ | |
39c640c0 | 2995 | if (amdgpu_device_need_post(adev)) { |
74b0b157 | 2996 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
2997 | if (r) | |
2998 | DRM_ERROR("amdgpu asic init failed\n"); | |
2999 | } | |
d38ceaf9 | 3000 | |
06ec9070 | 3001 | r = amdgpu_device_ip_resume(adev); |
e6707218 | 3002 | if (r) { |
06ec9070 | 3003 | DRM_ERROR("amdgpu_device_ip_resume failed (%d).\n", r); |
4d3b9ae5 | 3004 | return r; |
e6707218 | 3005 | } |
5ceb54c6 AD |
3006 | amdgpu_fence_driver_resume(adev); |
3007 | ||
d38ceaf9 | 3008 | |
06ec9070 | 3009 | r = amdgpu_device_ip_late_init(adev); |
03161a6e | 3010 | if (r) |
4d3b9ae5 | 3011 | return r; |
d38ceaf9 | 3012 | |
beff74bc AD |
3013 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3014 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3015 | ||
fe1053b7 AD |
3016 | if (!amdgpu_device_has_dc_support(adev)) { |
3017 | /* pin cursors */ | |
3018 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3019 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
3020 | ||
91334223 | 3021 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
3022 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
3023 | r = amdgpu_bo_reserve(aobj, true); | |
3024 | if (r == 0) { | |
3025 | r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); | |
3026 | if (r != 0) | |
3027 | DRM_ERROR("Failed to pin cursor BO (%d)\n", r); | |
3028 | amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); | |
3029 | amdgpu_bo_unreserve(aobj); | |
3030 | } | |
756e6880 AD |
3031 | } |
3032 | } | |
3033 | } | |
ba997709 YZ |
3034 | r = amdgpu_amdkfd_resume(adev); |
3035 | if (r) | |
3036 | return r; | |
756e6880 | 3037 | |
96a5d8d4 | 3038 | /* Make sure IB tests flushed */ |
beff74bc | 3039 | flush_delayed_work(&adev->delayed_init_work); |
96a5d8d4 | 3040 | |
d38ceaf9 AD |
3041 | /* blat the mode back in */ |
3042 | if (fbcon) { | |
4562236b HW |
3043 | if (!amdgpu_device_has_dc_support(adev)) { |
3044 | /* pre DCE11 */ | |
3045 | drm_helper_resume_force_mode(dev); | |
3046 | ||
3047 | /* turn on display hw */ | |
3048 | drm_modeset_lock_all(dev); | |
3049 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
3050 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); | |
3051 | } | |
3052 | drm_modeset_unlock_all(dev); | |
d38ceaf9 | 3053 | } |
4d3b9ae5 | 3054 | amdgpu_fbdev_set_suspend(adev, 0); |
d38ceaf9 AD |
3055 | } |
3056 | ||
3057 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 | 3058 | |
5e6932fe | 3059 | amdgpu_ras_resume(adev); |
3060 | ||
23a1a9e5 L |
3061 | /* |
3062 | * Most of the connector probing functions try to acquire runtime pm | |
3063 | * refs to ensure that the GPU is powered on when connector polling is | |
3064 | * performed. Since we're calling this from a runtime PM callback, | |
3065 | * trying to acquire rpm refs will cause us to deadlock. | |
3066 | * | |
3067 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
3068 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
3069 | */ | |
3070 | #ifdef CONFIG_PM | |
3071 | dev->dev->power.disable_depth++; | |
3072 | #endif | |
4562236b HW |
3073 | if (!amdgpu_device_has_dc_support(adev)) |
3074 | drm_helper_hpd_irq_event(dev); | |
3075 | else | |
3076 | drm_kms_helper_hotplug_event(dev); | |
23a1a9e5 L |
3077 | #ifdef CONFIG_PM |
3078 | dev->dev->power.disable_depth--; | |
3079 | #endif | |
44779b43 RZ |
3080 | adev->in_suspend = false; |
3081 | ||
4d3b9ae5 | 3082 | return 0; |
d38ceaf9 AD |
3083 | } |
3084 | ||
e3ecdffa AD |
3085 | /** |
3086 | * amdgpu_device_ip_check_soft_reset - did soft reset succeed | |
3087 | * | |
3088 | * @adev: amdgpu_device pointer | |
3089 | * | |
3090 | * The list of all the hardware IPs that make up the asic is walked and | |
3091 | * the check_soft_reset callbacks are run. check_soft_reset determines | |
3092 | * if the asic is still hung or not. | |
3093 | * Returns true if any of the IPs are still in a hung state, false if not. | |
3094 | */ | |
06ec9070 | 3095 | static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) |
63fbf42f CZ |
3096 | { |
3097 | int i; | |
3098 | bool asic_hang = false; | |
3099 | ||
f993d628 ML |
3100 | if (amdgpu_sriov_vf(adev)) |
3101 | return true; | |
3102 | ||
8bc04c29 AD |
3103 | if (amdgpu_asic_need_full_reset(adev)) |
3104 | return true; | |
3105 | ||
63fbf42f | 3106 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3107 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 3108 | continue; |
a1255107 AD |
3109 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
3110 | adev->ip_blocks[i].status.hang = | |
3111 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
3112 | if (adev->ip_blocks[i].status.hang) { | |
3113 | DRM_INFO("IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); | |
63fbf42f CZ |
3114 | asic_hang = true; |
3115 | } | |
3116 | } | |
3117 | return asic_hang; | |
3118 | } | |
3119 | ||
e3ecdffa AD |
3120 | /** |
3121 | * amdgpu_device_ip_pre_soft_reset - prepare for soft reset | |
3122 | * | |
3123 | * @adev: amdgpu_device pointer | |
3124 | * | |
3125 | * The list of all the hardware IPs that make up the asic is walked and the | |
3126 | * pre_soft_reset callbacks are run if the block is hung. pre_soft_reset | |
3127 | * handles any IP specific hardware or software state changes that are | |
3128 | * necessary for a soft reset to succeed. | |
3129 | * Returns 0 on success, negative error code on failure. | |
3130 | */ | |
06ec9070 | 3131 | static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
3132 | { |
3133 | int i, r = 0; | |
3134 | ||
3135 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3136 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 3137 | continue; |
a1255107 AD |
3138 | if (adev->ip_blocks[i].status.hang && |
3139 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
3140 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
3141 | if (r) |
3142 | return r; | |
3143 | } | |
3144 | } | |
3145 | ||
3146 | return 0; | |
3147 | } | |
3148 | ||
e3ecdffa AD |
3149 | /** |
3150 | * amdgpu_device_ip_need_full_reset - check if a full asic reset is needed | |
3151 | * | |
3152 | * @adev: amdgpu_device pointer | |
3153 | * | |
3154 | * Some hardware IPs cannot be soft reset. If they are hung, a full gpu | |
3155 | * reset is necessary to recover. | |
3156 | * Returns true if a full asic reset is required, false if not. | |
3157 | */ | |
06ec9070 | 3158 | static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) |
35d782fe | 3159 | { |
da146d3b AD |
3160 | int i; |
3161 | ||
8bc04c29 AD |
3162 | if (amdgpu_asic_need_full_reset(adev)) |
3163 | return true; | |
3164 | ||
da146d3b | 3165 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3166 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 3167 | continue; |
a1255107 AD |
3168 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
3169 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
3170 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
3171 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
3172 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 3173 | if (adev->ip_blocks[i].status.hang) { |
da146d3b AD |
3174 | DRM_INFO("Some block need full reset!\n"); |
3175 | return true; | |
3176 | } | |
3177 | } | |
35d782fe CZ |
3178 | } |
3179 | return false; | |
3180 | } | |
3181 | ||
e3ecdffa AD |
3182 | /** |
3183 | * amdgpu_device_ip_soft_reset - do a soft reset | |
3184 | * | |
3185 | * @adev: amdgpu_device pointer | |
3186 | * | |
3187 | * The list of all the hardware IPs that make up the asic is walked and the | |
3188 | * soft_reset callbacks are run if the block is hung. soft_reset handles any | |
3189 | * IP specific hardware or software state changes that are necessary to soft | |
3190 | * reset the IP. | |
3191 | * Returns 0 on success, negative error code on failure. | |
3192 | */ | |
06ec9070 | 3193 | static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3194 | { |
3195 | int i, r = 0; | |
3196 | ||
3197 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3198 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3199 | continue; |
a1255107 AD |
3200 | if (adev->ip_blocks[i].status.hang && |
3201 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
3202 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
3203 | if (r) |
3204 | return r; | |
3205 | } | |
3206 | } | |
3207 | ||
3208 | return 0; | |
3209 | } | |
3210 | ||
e3ecdffa AD |
3211 | /** |
3212 | * amdgpu_device_ip_post_soft_reset - clean up from soft reset | |
3213 | * | |
3214 | * @adev: amdgpu_device pointer | |
3215 | * | |
3216 | * The list of all the hardware IPs that make up the asic is walked and the | |
3217 | * post_soft_reset callbacks are run if the asic was hung. post_soft_reset | |
3218 | * handles any IP specific hardware or software state changes that are | |
3219 | * necessary after the IP has been soft reset. | |
3220 | * Returns 0 on success, negative error code on failure. | |
3221 | */ | |
06ec9070 | 3222 | static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3223 | { |
3224 | int i, r = 0; | |
3225 | ||
3226 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3227 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3228 | continue; |
a1255107 AD |
3229 | if (adev->ip_blocks[i].status.hang && |
3230 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
3231 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
3232 | if (r) |
3233 | return r; | |
3234 | } | |
3235 | ||
3236 | return 0; | |
3237 | } | |
3238 | ||
e3ecdffa | 3239 | /** |
c33adbc7 | 3240 | * amdgpu_device_recover_vram - Recover some VRAM contents |
e3ecdffa AD |
3241 | * |
3242 | * @adev: amdgpu_device pointer | |
3243 | * | |
3244 | * Restores the contents of VRAM buffers from the shadows in GTT. Used to | |
3245 | * restore things like GPUVM page tables after a GPU reset where | |
3246 | * the contents of VRAM might be lost. | |
403009bf CK |
3247 | * |
3248 | * Returns: | |
3249 | * 0 on success, negative error code on failure. | |
e3ecdffa | 3250 | */ |
c33adbc7 | 3251 | static int amdgpu_device_recover_vram(struct amdgpu_device *adev) |
c41d1cf6 | 3252 | { |
c41d1cf6 | 3253 | struct dma_fence *fence = NULL, *next = NULL; |
403009bf CK |
3254 | struct amdgpu_bo *shadow; |
3255 | long r = 1, tmo; | |
c41d1cf6 ML |
3256 | |
3257 | if (amdgpu_sriov_runtime(adev)) | |
b045d3af | 3258 | tmo = msecs_to_jiffies(8000); |
c41d1cf6 ML |
3259 | else |
3260 | tmo = msecs_to_jiffies(100); | |
3261 | ||
3262 | DRM_INFO("recover vram bo from shadow start\n"); | |
3263 | mutex_lock(&adev->shadow_list_lock); | |
403009bf CK |
3264 | list_for_each_entry(shadow, &adev->shadow_list, shadow_list) { |
3265 | ||
3266 | /* No need to recover an evicted BO */ | |
3267 | if (shadow->tbo.mem.mem_type != TTM_PL_TT || | |
b575f10d | 3268 | shadow->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET || |
403009bf CK |
3269 | shadow->parent->tbo.mem.mem_type != TTM_PL_VRAM) |
3270 | continue; | |
3271 | ||
3272 | r = amdgpu_bo_restore_shadow(shadow, &next); | |
3273 | if (r) | |
3274 | break; | |
3275 | ||
c41d1cf6 | 3276 | if (fence) { |
1712fb1a | 3277 | tmo = dma_fence_wait_timeout(fence, false, tmo); |
403009bf CK |
3278 | dma_fence_put(fence); |
3279 | fence = next; | |
1712fb1a | 3280 | if (tmo == 0) { |
3281 | r = -ETIMEDOUT; | |
c41d1cf6 | 3282 | break; |
1712fb1a | 3283 | } else if (tmo < 0) { |
3284 | r = tmo; | |
3285 | break; | |
3286 | } | |
403009bf CK |
3287 | } else { |
3288 | fence = next; | |
c41d1cf6 | 3289 | } |
c41d1cf6 ML |
3290 | } |
3291 | mutex_unlock(&adev->shadow_list_lock); | |
3292 | ||
403009bf CK |
3293 | if (fence) |
3294 | tmo = dma_fence_wait_timeout(fence, false, tmo); | |
c41d1cf6 ML |
3295 | dma_fence_put(fence); |
3296 | ||
1712fb1a | 3297 | if (r < 0 || tmo <= 0) { |
3298 | DRM_ERROR("recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); | |
403009bf CK |
3299 | return -EIO; |
3300 | } | |
c41d1cf6 | 3301 | |
403009bf CK |
3302 | DRM_INFO("recover vram bo from shadow done\n"); |
3303 | return 0; | |
c41d1cf6 ML |
3304 | } |
3305 | ||
a90ad3c2 | 3306 | |
e3ecdffa | 3307 | /** |
06ec9070 | 3308 | * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf |
5740682e ML |
3309 | * |
3310 | * @adev: amdgpu device pointer | |
87e3f136 | 3311 | * @from_hypervisor: request from hypervisor |
5740682e ML |
3312 | * |
3313 | * do VF FLR and reinitialize Asic | |
3f48c681 | 3314 | * return 0 means succeeded otherwise failed |
e3ecdffa AD |
3315 | */ |
3316 | static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, | |
3317 | bool from_hypervisor) | |
5740682e ML |
3318 | { |
3319 | int r; | |
3320 | ||
3321 | if (from_hypervisor) | |
3322 | r = amdgpu_virt_request_full_gpu(adev, true); | |
3323 | else | |
3324 | r = amdgpu_virt_reset_gpu(adev); | |
3325 | if (r) | |
3326 | return r; | |
a90ad3c2 | 3327 | |
f81e8d53 WL |
3328 | amdgpu_amdkfd_pre_reset(adev); |
3329 | ||
a90ad3c2 | 3330 | /* Resume IP prior to SMC */ |
06ec9070 | 3331 | r = amdgpu_device_ip_reinit_early_sriov(adev); |
5740682e ML |
3332 | if (r) |
3333 | goto error; | |
a90ad3c2 ML |
3334 | |
3335 | /* we need recover gart prior to run SMC/CP/SDMA resume */ | |
c1c7ce8f | 3336 | amdgpu_gtt_mgr_recover(&adev->mman.bdev.man[TTM_PL_TT]); |
a90ad3c2 | 3337 | |
7a3e0bb2 RZ |
3338 | r = amdgpu_device_fw_loading(adev); |
3339 | if (r) | |
3340 | return r; | |
3341 | ||
a90ad3c2 | 3342 | /* now we are okay to resume SMC/CP/SDMA */ |
06ec9070 | 3343 | r = amdgpu_device_ip_reinit_late_sriov(adev); |
5740682e ML |
3344 | if (r) |
3345 | goto error; | |
a90ad3c2 ML |
3346 | |
3347 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
5740682e | 3348 | r = amdgpu_ib_ring_tests(adev); |
f81e8d53 | 3349 | amdgpu_amdkfd_post_reset(adev); |
a90ad3c2 | 3350 | |
abc34253 | 3351 | error: |
d3c117e5 | 3352 | amdgpu_virt_init_data_exchange(adev); |
abc34253 | 3353 | amdgpu_virt_release_full_gpu(adev, true); |
c41d1cf6 ML |
3354 | if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { |
3355 | atomic_inc(&adev->vram_lost_counter); | |
c33adbc7 | 3356 | r = amdgpu_device_recover_vram(adev); |
a90ad3c2 ML |
3357 | } |
3358 | ||
3359 | return r; | |
3360 | } | |
3361 | ||
12938fad CK |
3362 | /** |
3363 | * amdgpu_device_should_recover_gpu - check if we should try GPU recovery | |
3364 | * | |
3365 | * @adev: amdgpu device pointer | |
3366 | * | |
3367 | * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover | |
3368 | * a hung GPU. | |
3369 | */ | |
3370 | bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) | |
3371 | { | |
3372 | if (!amdgpu_device_ip_check_soft_reset(adev)) { | |
3373 | DRM_INFO("Timeout, but no hardware hang detected.\n"); | |
3374 | return false; | |
3375 | } | |
3376 | ||
3ba7b418 AG |
3377 | if (amdgpu_gpu_recovery == 0) |
3378 | goto disabled; | |
3379 | ||
3380 | if (amdgpu_sriov_vf(adev)) | |
3381 | return true; | |
3382 | ||
3383 | if (amdgpu_gpu_recovery == -1) { | |
3384 | switch (adev->asic_type) { | |
fc42d47c AG |
3385 | case CHIP_BONAIRE: |
3386 | case CHIP_HAWAII: | |
3ba7b418 AG |
3387 | case CHIP_TOPAZ: |
3388 | case CHIP_TONGA: | |
3389 | case CHIP_FIJI: | |
3390 | case CHIP_POLARIS10: | |
3391 | case CHIP_POLARIS11: | |
3392 | case CHIP_POLARIS12: | |
3393 | case CHIP_VEGAM: | |
3394 | case CHIP_VEGA20: | |
3395 | case CHIP_VEGA10: | |
3396 | case CHIP_VEGA12: | |
3397 | break; | |
3398 | default: | |
3399 | goto disabled; | |
3400 | } | |
12938fad CK |
3401 | } |
3402 | ||
3403 | return true; | |
3ba7b418 AG |
3404 | |
3405 | disabled: | |
3406 | DRM_INFO("GPU recovery disabled.\n"); | |
3407 | return false; | |
12938fad CK |
3408 | } |
3409 | ||
5c6dd71e | 3410 | |
26bc5340 AG |
3411 | static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, |
3412 | struct amdgpu_job *job, | |
3413 | bool *need_full_reset_arg) | |
3414 | { | |
3415 | int i, r = 0; | |
3416 | bool need_full_reset = *need_full_reset_arg; | |
71182665 | 3417 | |
71182665 | 3418 | /* block all schedulers and reset given job's ring */ |
0875dc9e CZ |
3419 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
3420 | struct amdgpu_ring *ring = adev->rings[i]; | |
3421 | ||
51687759 | 3422 | if (!ring || !ring->sched.thread) |
0875dc9e | 3423 | continue; |
5740682e | 3424 | |
2f9d4084 ML |
3425 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
3426 | amdgpu_fence_driver_force_completion(ring); | |
0875dc9e | 3427 | } |
d38ceaf9 | 3428 | |
222b5f04 AG |
3429 | if(job) |
3430 | drm_sched_increase_karma(&job->base); | |
3431 | ||
1d721ed6 | 3432 | /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ |
26bc5340 AG |
3433 | if (!amdgpu_sriov_vf(adev)) { |
3434 | ||
3435 | if (!need_full_reset) | |
3436 | need_full_reset = amdgpu_device_ip_need_full_reset(adev); | |
3437 | ||
3438 | if (!need_full_reset) { | |
3439 | amdgpu_device_ip_pre_soft_reset(adev); | |
3440 | r = amdgpu_device_ip_soft_reset(adev); | |
3441 | amdgpu_device_ip_post_soft_reset(adev); | |
3442 | if (r || amdgpu_device_ip_check_soft_reset(adev)) { | |
3443 | DRM_INFO("soft reset failed, will fallback to full reset!\n"); | |
3444 | need_full_reset = true; | |
3445 | } | |
3446 | } | |
3447 | ||
3448 | if (need_full_reset) | |
3449 | r = amdgpu_device_ip_suspend(adev); | |
3450 | ||
3451 | *need_full_reset_arg = need_full_reset; | |
3452 | } | |
3453 | ||
3454 | return r; | |
3455 | } | |
3456 | ||
3457 | static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, | |
3458 | struct list_head *device_list_handle, | |
3459 | bool *need_full_reset_arg) | |
3460 | { | |
3461 | struct amdgpu_device *tmp_adev = NULL; | |
3462 | bool need_full_reset = *need_full_reset_arg, vram_lost = false; | |
3463 | int r = 0; | |
3464 | ||
3465 | /* | |
3466 | * ASIC reset has to be done on all HGMI hive nodes ASAP | |
3467 | * to allow proper links negotiation in FW (within 1 sec) | |
3468 | */ | |
3469 | if (need_full_reset) { | |
3470 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
d4535e2c AG |
3471 | /* For XGMI run all resets in parallel to speed up the process */ |
3472 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { | |
3473 | if (!queue_work(system_highpri_wq, &tmp_adev->xgmi_reset_work)) | |
3474 | r = -EALREADY; | |
3475 | } else | |
3476 | r = amdgpu_asic_reset(tmp_adev); | |
3477 | ||
3478 | if (r) { | |
fed184e9 | 3479 | DRM_ERROR("ASIC reset failed with error, %d for drm dev, %s", |
26bc5340 | 3480 | r, tmp_adev->ddev->unique); |
d4535e2c AG |
3481 | break; |
3482 | } | |
3483 | } | |
3484 | ||
3485 | /* For XGMI wait for all PSP resets to complete before proceed */ | |
3486 | if (!r) { | |
3487 | list_for_each_entry(tmp_adev, device_list_handle, | |
3488 | gmc.xgmi.head) { | |
3489 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { | |
3490 | flush_work(&tmp_adev->xgmi_reset_work); | |
3491 | r = tmp_adev->asic_reset_res; | |
3492 | if (r) | |
3493 | break; | |
3494 | } | |
3495 | } | |
2be4c4a9 | 3496 | |
3497 | list_for_each_entry(tmp_adev, device_list_handle, | |
3498 | gmc.xgmi.head) { | |
3499 | amdgpu_ras_reserve_bad_pages(tmp_adev); | |
3500 | } | |
26bc5340 AG |
3501 | } |
3502 | } | |
3503 | ||
3504 | ||
3505 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
3506 | if (need_full_reset) { | |
3507 | /* post card */ | |
3508 | if (amdgpu_atom_asic_init(tmp_adev->mode_info.atom_context)) | |
3509 | DRM_WARN("asic atom init failed!"); | |
3510 | ||
3511 | if (!r) { | |
3512 | dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); | |
3513 | r = amdgpu_device_ip_resume_phase1(tmp_adev); | |
3514 | if (r) | |
3515 | goto out; | |
3516 | ||
3517 | vram_lost = amdgpu_device_check_vram_lost(tmp_adev); | |
3518 | if (vram_lost) { | |
77e7f829 | 3519 | DRM_INFO("VRAM is lost due to GPU reset!\n"); |
26bc5340 AG |
3520 | atomic_inc(&tmp_adev->vram_lost_counter); |
3521 | } | |
3522 | ||
3523 | r = amdgpu_gtt_mgr_recover( | |
3524 | &tmp_adev->mman.bdev.man[TTM_PL_TT]); | |
3525 | if (r) | |
3526 | goto out; | |
3527 | ||
3528 | r = amdgpu_device_fw_loading(tmp_adev); | |
3529 | if (r) | |
3530 | return r; | |
3531 | ||
3532 | r = amdgpu_device_ip_resume_phase2(tmp_adev); | |
3533 | if (r) | |
3534 | goto out; | |
3535 | ||
3536 | if (vram_lost) | |
3537 | amdgpu_device_fill_reset_magic(tmp_adev); | |
3538 | ||
7c04ca50 | 3539 | r = amdgpu_device_ip_late_init(tmp_adev); |
3540 | if (r) | |
3541 | goto out; | |
3542 | ||
e79a04d5 | 3543 | /* must succeed. */ |
511fdbc3 | 3544 | amdgpu_ras_resume(tmp_adev); |
e79a04d5 | 3545 | |
26bc5340 AG |
3546 | /* Update PSP FW topology after reset */ |
3547 | if (hive && tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
3548 | r = amdgpu_xgmi_update_topology(hive, tmp_adev); | |
3549 | } | |
3550 | } | |
3551 | ||
3552 | ||
3553 | out: | |
3554 | if (!r) { | |
3555 | amdgpu_irq_gpu_reset_resume_helper(tmp_adev); | |
3556 | r = amdgpu_ib_ring_tests(tmp_adev); | |
3557 | if (r) { | |
3558 | dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); | |
3559 | r = amdgpu_device_ip_suspend(tmp_adev); | |
3560 | need_full_reset = true; | |
3561 | r = -EAGAIN; | |
3562 | goto end; | |
3563 | } | |
3564 | } | |
3565 | ||
3566 | if (!r) | |
3567 | r = amdgpu_device_recover_vram(tmp_adev); | |
3568 | else | |
3569 | tmp_adev->asic_reset_res = r; | |
3570 | } | |
3571 | ||
3572 | end: | |
3573 | *need_full_reset_arg = need_full_reset; | |
3574 | return r; | |
3575 | } | |
3576 | ||
1d721ed6 | 3577 | static bool amdgpu_device_lock_adev(struct amdgpu_device *adev, bool trylock) |
26bc5340 | 3578 | { |
1d721ed6 AG |
3579 | if (trylock) { |
3580 | if (!mutex_trylock(&adev->lock_reset)) | |
3581 | return false; | |
3582 | } else | |
3583 | mutex_lock(&adev->lock_reset); | |
5740682e | 3584 | |
26bc5340 AG |
3585 | atomic_inc(&adev->gpu_reset_counter); |
3586 | adev->in_gpu_reset = 1; | |
7b184b00 | 3587 | /* Block kfd: SRIOV would do it separately */ |
3588 | if (!amdgpu_sriov_vf(adev)) | |
3589 | amdgpu_amdkfd_pre_reset(adev); | |
1d721ed6 AG |
3590 | |
3591 | return true; | |
26bc5340 | 3592 | } |
d38ceaf9 | 3593 | |
26bc5340 AG |
3594 | static void amdgpu_device_unlock_adev(struct amdgpu_device *adev) |
3595 | { | |
7b184b00 | 3596 | /*unlock kfd: SRIOV would do it separately */ |
3597 | if (!amdgpu_sriov_vf(adev)) | |
3598 | amdgpu_amdkfd_post_reset(adev); | |
89041940 | 3599 | amdgpu_vf_error_trans_all(adev); |
13a752e3 ML |
3600 | adev->in_gpu_reset = 0; |
3601 | mutex_unlock(&adev->lock_reset); | |
26bc5340 AG |
3602 | } |
3603 | ||
3604 | ||
3605 | /** | |
3606 | * amdgpu_device_gpu_recover - reset the asic and recover scheduler | |
3607 | * | |
3608 | * @adev: amdgpu device pointer | |
3609 | * @job: which job trigger hang | |
3610 | * | |
3611 | * Attempt to reset the GPU if it has hung (all asics). | |
3612 | * Attempt to do soft-reset or full-reset and reinitialize Asic | |
3613 | * Returns 0 for success or an error on failure. | |
3614 | */ | |
3615 | ||
3616 | int amdgpu_device_gpu_recover(struct amdgpu_device *adev, | |
3617 | struct amdgpu_job *job) | |
3618 | { | |
1d721ed6 AG |
3619 | struct list_head device_list, *device_list_handle = NULL; |
3620 | bool need_full_reset, job_signaled; | |
26bc5340 | 3621 | struct amdgpu_hive_info *hive = NULL; |
26bc5340 | 3622 | struct amdgpu_device *tmp_adev = NULL; |
1d721ed6 | 3623 | int i, r = 0; |
26bc5340 | 3624 | |
1d721ed6 | 3625 | need_full_reset = job_signaled = false; |
26bc5340 AG |
3626 | INIT_LIST_HEAD(&device_list); |
3627 | ||
3628 | dev_info(adev->dev, "GPU reset begin!\n"); | |
3629 | ||
beff74bc | 3630 | cancel_delayed_work_sync(&adev->delayed_init_work); |
c53e4db7 | 3631 | |
1d721ed6 AG |
3632 | hive = amdgpu_get_xgmi_hive(adev, false); |
3633 | ||
26bc5340 | 3634 | /* |
1d721ed6 AG |
3635 | * Here we trylock to avoid chain of resets executing from |
3636 | * either trigger by jobs on different adevs in XGMI hive or jobs on | |
3637 | * different schedulers for same device while this TO handler is running. | |
3638 | * We always reset all schedulers for device and all devices for XGMI | |
3639 | * hive so that should take care of them too. | |
26bc5340 | 3640 | */ |
1d721ed6 AG |
3641 | |
3642 | if (hive && !mutex_trylock(&hive->reset_lock)) { | |
3643 | DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", | |
3644 | job->base.id, hive->hive_id); | |
26bc5340 | 3645 | return 0; |
1d721ed6 | 3646 | } |
26bc5340 AG |
3647 | |
3648 | /* Start with adev pre asic reset first for soft reset check.*/ | |
1d721ed6 AG |
3649 | if (!amdgpu_device_lock_adev(adev, !hive)) { |
3650 | DRM_INFO("Bailing on TDR for s_job:%llx, as another already in progress", | |
3651 | job->base.id); | |
3652 | return 0; | |
26bc5340 AG |
3653 | } |
3654 | ||
3655 | /* Build list of devices to reset */ | |
1d721ed6 | 3656 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
26bc5340 AG |
3657 | if (!hive) { |
3658 | amdgpu_device_unlock_adev(adev); | |
3659 | return -ENODEV; | |
3660 | } | |
3661 | ||
3662 | /* | |
3663 | * In case we are in XGMI hive mode device reset is done for all the | |
3664 | * nodes in the hive to retrain all XGMI links and hence the reset | |
3665 | * sequence is executed in loop on all nodes. | |
3666 | */ | |
3667 | device_list_handle = &hive->device_list; | |
3668 | } else { | |
3669 | list_add_tail(&adev->gmc.xgmi.head, &device_list); | |
3670 | device_list_handle = &device_list; | |
3671 | } | |
3672 | ||
1d721ed6 AG |
3673 | /* block all schedulers and reset given job's ring */ |
3674 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
3675 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
3676 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
3677 | ||
3678 | if (!ring || !ring->sched.thread) | |
3679 | continue; | |
3680 | ||
3681 | drm_sched_stop(&ring->sched, &job->base); | |
3682 | } | |
3683 | } | |
3684 | ||
3685 | ||
3686 | /* | |
3687 | * Must check guilty signal here since after this point all old | |
3688 | * HW fences are force signaled. | |
3689 | * | |
3690 | * job->base holds a reference to parent fence | |
3691 | */ | |
3692 | if (job && job->base.s_fence->parent && | |
3693 | dma_fence_is_signaled(job->base.s_fence->parent)) | |
3694 | job_signaled = true; | |
3695 | ||
3696 | if (!amdgpu_device_ip_need_full_reset(adev)) | |
3697 | device_list_handle = &device_list; | |
3698 | ||
3699 | if (job_signaled) { | |
3700 | dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); | |
3701 | goto skip_hw_reset; | |
3702 | } | |
3703 | ||
3704 | ||
3705 | /* Guilty job will be freed after this*/ | |
3706 | r = amdgpu_device_pre_asic_reset(adev, | |
3707 | job, | |
3708 | &need_full_reset); | |
3709 | if (r) { | |
3710 | /*TODO Should we stop ?*/ | |
3711 | DRM_ERROR("GPU pre asic reset failed with err, %d for drm dev, %s ", | |
3712 | r, adev->ddev->unique); | |
3713 | adev->asic_reset_res = r; | |
3714 | } | |
3715 | ||
26bc5340 AG |
3716 | retry: /* Rest of adevs pre asic reset from XGMI hive. */ |
3717 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
3718 | ||
3719 | if (tmp_adev == adev) | |
3720 | continue; | |
3721 | ||
1d721ed6 | 3722 | amdgpu_device_lock_adev(tmp_adev, false); |
26bc5340 AG |
3723 | r = amdgpu_device_pre_asic_reset(tmp_adev, |
3724 | NULL, | |
3725 | &need_full_reset); | |
3726 | /*TODO Should we stop ?*/ | |
3727 | if (r) { | |
3728 | DRM_ERROR("GPU pre asic reset failed with err, %d for drm dev, %s ", | |
3729 | r, tmp_adev->ddev->unique); | |
3730 | tmp_adev->asic_reset_res = r; | |
3731 | } | |
3732 | } | |
3733 | ||
3734 | /* Actual ASIC resets if needed.*/ | |
3735 | /* TODO Implement XGMI hive reset logic for SRIOV */ | |
3736 | if (amdgpu_sriov_vf(adev)) { | |
3737 | r = amdgpu_device_reset_sriov(adev, job ? false : true); | |
3738 | if (r) | |
3739 | adev->asic_reset_res = r; | |
3740 | } else { | |
3741 | r = amdgpu_do_asic_reset(hive, device_list_handle, &need_full_reset); | |
3742 | if (r && r == -EAGAIN) | |
3743 | goto retry; | |
3744 | } | |
3745 | ||
1d721ed6 AG |
3746 | skip_hw_reset: |
3747 | ||
26bc5340 AG |
3748 | /* Post ASIC reset for all devs .*/ |
3749 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
1d721ed6 AG |
3750 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
3751 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
3752 | ||
3753 | if (!ring || !ring->sched.thread) | |
3754 | continue; | |
3755 | ||
3756 | /* No point to resubmit jobs if we didn't HW reset*/ | |
3757 | if (!tmp_adev->asic_reset_res && !job_signaled) | |
3758 | drm_sched_resubmit_jobs(&ring->sched); | |
3759 | ||
3760 | drm_sched_start(&ring->sched, !tmp_adev->asic_reset_res); | |
3761 | } | |
3762 | ||
3763 | if (!amdgpu_device_has_dc_support(tmp_adev) && !job_signaled) { | |
3764 | drm_helper_resume_force_mode(tmp_adev->ddev); | |
3765 | } | |
3766 | ||
3767 | tmp_adev->asic_reset_res = 0; | |
26bc5340 AG |
3768 | |
3769 | if (r) { | |
3770 | /* bad news, how to tell it to userspace ? */ | |
3771 | dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&adev->gpu_reset_counter)); | |
3772 | amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); | |
3773 | } else { | |
3774 | dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&adev->gpu_reset_counter)); | |
3775 | } | |
3776 | ||
3777 | amdgpu_device_unlock_adev(tmp_adev); | |
3778 | } | |
3779 | ||
1d721ed6 | 3780 | if (hive) |
22d6575b | 3781 | mutex_unlock(&hive->reset_lock); |
26bc5340 AG |
3782 | |
3783 | if (r) | |
3784 | dev_info(adev->dev, "GPU reset end with ret = %d\n", r); | |
d38ceaf9 AD |
3785 | return r; |
3786 | } | |
3787 | ||
e3ecdffa AD |
3788 | /** |
3789 | * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot | |
3790 | * | |
3791 | * @adev: amdgpu_device pointer | |
3792 | * | |
3793 | * Fetchs and stores in the driver the PCIE capabilities (gen speed | |
3794 | * and lanes) of the slot the device is in. Handles APUs and | |
3795 | * virtualized environments where PCIE config space may not be available. | |
3796 | */ | |
5494d864 | 3797 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) |
d0dd7f0c | 3798 | { |
5d9a6330 | 3799 | struct pci_dev *pdev; |
c5313457 HK |
3800 | enum pci_bus_speed speed_cap, platform_speed_cap; |
3801 | enum pcie_link_width platform_link_width; | |
d0dd7f0c | 3802 | |
cd474ba0 AD |
3803 | if (amdgpu_pcie_gen_cap) |
3804 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 3805 | |
cd474ba0 AD |
3806 | if (amdgpu_pcie_lane_cap) |
3807 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 3808 | |
cd474ba0 AD |
3809 | /* covers APUs as well */ |
3810 | if (pci_is_root_bus(adev->pdev->bus)) { | |
3811 | if (adev->pm.pcie_gen_mask == 0) | |
3812 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
3813 | if (adev->pm.pcie_mlw_mask == 0) | |
3814 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 3815 | return; |
cd474ba0 | 3816 | } |
d0dd7f0c | 3817 | |
c5313457 HK |
3818 | if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) |
3819 | return; | |
3820 | ||
dbaa922b AD |
3821 | pcie_bandwidth_available(adev->pdev, NULL, |
3822 | &platform_speed_cap, &platform_link_width); | |
c5313457 | 3823 | |
cd474ba0 | 3824 | if (adev->pm.pcie_gen_mask == 0) { |
5d9a6330 AD |
3825 | /* asic caps */ |
3826 | pdev = adev->pdev; | |
3827 | speed_cap = pcie_get_speed_cap(pdev); | |
3828 | if (speed_cap == PCI_SPEED_UNKNOWN) { | |
3829 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
cd474ba0 AD |
3830 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | |
3831 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
cd474ba0 | 3832 | } else { |
5d9a6330 AD |
3833 | if (speed_cap == PCIE_SPEED_16_0GT) |
3834 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
3835 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
3836 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
3837 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
3838 | else if (speed_cap == PCIE_SPEED_8_0GT) | |
3839 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
3840 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
3841 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
3842 | else if (speed_cap == PCIE_SPEED_5_0GT) | |
3843 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
3844 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
3845 | else | |
3846 | adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
3847 | } | |
3848 | /* platform caps */ | |
c5313457 | 3849 | if (platform_speed_cap == PCI_SPEED_UNKNOWN) { |
5d9a6330 AD |
3850 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
3851 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
3852 | } else { | |
c5313457 | 3853 | if (platform_speed_cap == PCIE_SPEED_16_0GT) |
5d9a6330 AD |
3854 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
3855 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
3856 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
3857 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
c5313457 | 3858 | else if (platform_speed_cap == PCIE_SPEED_8_0GT) |
5d9a6330 AD |
3859 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
3860 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
3861 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
c5313457 | 3862 | else if (platform_speed_cap == PCIE_SPEED_5_0GT) |
5d9a6330 AD |
3863 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
3864 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
3865 | else | |
3866 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
3867 | ||
cd474ba0 AD |
3868 | } |
3869 | } | |
3870 | if (adev->pm.pcie_mlw_mask == 0) { | |
c5313457 | 3871 | if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { |
5d9a6330 AD |
3872 | adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; |
3873 | } else { | |
c5313457 | 3874 | switch (platform_link_width) { |
5d9a6330 | 3875 | case PCIE_LNK_X32: |
cd474ba0 AD |
3876 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | |
3877 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
3878 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3879 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3880 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3881 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3882 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3883 | break; | |
5d9a6330 | 3884 | case PCIE_LNK_X16: |
cd474ba0 AD |
3885 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | |
3886 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3887 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3888 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3889 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3890 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3891 | break; | |
5d9a6330 | 3892 | case PCIE_LNK_X12: |
cd474ba0 AD |
3893 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | |
3894 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3895 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3896 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3897 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3898 | break; | |
5d9a6330 | 3899 | case PCIE_LNK_X8: |
cd474ba0 AD |
3900 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | |
3901 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3902 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3903 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3904 | break; | |
5d9a6330 | 3905 | case PCIE_LNK_X4: |
cd474ba0 AD |
3906 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | |
3907 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3908 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3909 | break; | |
5d9a6330 | 3910 | case PCIE_LNK_X2: |
cd474ba0 AD |
3911 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | |
3912 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3913 | break; | |
5d9a6330 | 3914 | case PCIE_LNK_X1: |
cd474ba0 AD |
3915 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; |
3916 | break; | |
3917 | default: | |
3918 | break; | |
3919 | } | |
d0dd7f0c AD |
3920 | } |
3921 | } | |
3922 | } | |
d38ceaf9 | 3923 |