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d38ceaf9 AD |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
b1ddf548 | 28 | #include <linux/power_supply.h> |
0875dc9e | 29 | #include <linux/kthread.h> |
fdf2f6c5 | 30 | #include <linux/module.h> |
d38ceaf9 AD |
31 | #include <linux/console.h> |
32 | #include <linux/slab.h> | |
fdf2f6c5 | 33 | |
4562236b | 34 | #include <drm/drm_atomic_helper.h> |
fcd70cd3 | 35 | #include <drm/drm_probe_helper.h> |
d38ceaf9 AD |
36 | #include <drm/amdgpu_drm.h> |
37 | #include <linux/vgaarb.h> | |
38 | #include <linux/vga_switcheroo.h> | |
39 | #include <linux/efi.h> | |
40 | #include "amdgpu.h" | |
f4b373f4 | 41 | #include "amdgpu_trace.h" |
d38ceaf9 AD |
42 | #include "amdgpu_i2c.h" |
43 | #include "atom.h" | |
44 | #include "amdgpu_atombios.h" | |
a5bde2f9 | 45 | #include "amdgpu_atomfirmware.h" |
d0dd7f0c | 46 | #include "amd_pcie.h" |
33f34802 KW |
47 | #ifdef CONFIG_DRM_AMDGPU_SI |
48 | #include "si.h" | |
49 | #endif | |
a2e73f56 AD |
50 | #ifdef CONFIG_DRM_AMDGPU_CIK |
51 | #include "cik.h" | |
52 | #endif | |
aaa36a97 | 53 | #include "vi.h" |
460826e6 | 54 | #include "soc15.h" |
0a5b8c7b | 55 | #include "nv.h" |
d38ceaf9 | 56 | #include "bif/bif_4_1_d.h" |
9accf2fd | 57 | #include <linux/pci.h> |
bec86378 | 58 | #include <linux/firmware.h> |
89041940 | 59 | #include "amdgpu_vf_error.h" |
d38ceaf9 | 60 | |
ba997709 | 61 | #include "amdgpu_amdkfd.h" |
d2f52ac8 | 62 | #include "amdgpu_pm.h" |
d38ceaf9 | 63 | |
5183411b | 64 | #include "amdgpu_xgmi.h" |
c030f2e4 | 65 | #include "amdgpu_ras.h" |
9c7c85f7 | 66 | #include "amdgpu_pmu.h" |
bd607166 | 67 | #include "amdgpu_fru_eeprom.h" |
5183411b | 68 | |
d5ea093e | 69 | #include <linux/suspend.h> |
c6a6e2db | 70 | #include <drm/task_barrier.h> |
d5ea093e | 71 | |
e2a75f88 | 72 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
3f76dced | 73 | MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); |
2d2e5e7e | 74 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
ad5a67a7 | 75 | MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); |
54c4d17e | 76 | MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); |
65e60f6e | 77 | MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin"); |
b51a26a0 | 78 | MODULE_FIRMWARE("amdgpu/renoir_gpu_info.bin"); |
23c6268e | 79 | MODULE_FIRMWARE("amdgpu/navi10_gpu_info.bin"); |
ed42cfe1 | 80 | MODULE_FIRMWARE("amdgpu/navi14_gpu_info.bin"); |
42b325e5 | 81 | MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); |
e2a75f88 | 82 | |
2dc80b00 S |
83 | #define AMDGPU_RESUME_MS 2000 |
84 | ||
050091ab | 85 | const char *amdgpu_asic_name[] = { |
da69c161 KW |
86 | "TAHITI", |
87 | "PITCAIRN", | |
88 | "VERDE", | |
89 | "OLAND", | |
90 | "HAINAN", | |
d38ceaf9 AD |
91 | "BONAIRE", |
92 | "KAVERI", | |
93 | "KABINI", | |
94 | "HAWAII", | |
95 | "MULLINS", | |
96 | "TOPAZ", | |
97 | "TONGA", | |
48299f95 | 98 | "FIJI", |
d38ceaf9 | 99 | "CARRIZO", |
139f4917 | 100 | "STONEY", |
2cc0c0b5 FC |
101 | "POLARIS10", |
102 | "POLARIS11", | |
c4642a47 | 103 | "POLARIS12", |
48ff108d | 104 | "VEGAM", |
d4196f01 | 105 | "VEGA10", |
8fab806a | 106 | "VEGA12", |
956fcddc | 107 | "VEGA20", |
2ca8a5d2 | 108 | "RAVEN", |
d6c3b24e | 109 | "ARCTURUS", |
1eee4228 | 110 | "RENOIR", |
852a6626 | 111 | "NAVI10", |
87dbad02 | 112 | "NAVI14", |
9802f5d7 | 113 | "NAVI12", |
d38ceaf9 AD |
114 | "LAST", |
115 | }; | |
116 | ||
dcea6e65 KR |
117 | /** |
118 | * DOC: pcie_replay_count | |
119 | * | |
120 | * The amdgpu driver provides a sysfs API for reporting the total number | |
121 | * of PCIe replays (NAKs) | |
122 | * The file pcie_replay_count is used for this and returns the total | |
123 | * number of replays as a sum of the NAKs generated and NAKs received | |
124 | */ | |
125 | ||
126 | static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, | |
127 | struct device_attribute *attr, char *buf) | |
128 | { | |
129 | struct drm_device *ddev = dev_get_drvdata(dev); | |
130 | struct amdgpu_device *adev = ddev->dev_private; | |
131 | uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); | |
132 | ||
133 | return snprintf(buf, PAGE_SIZE, "%llu\n", cnt); | |
134 | } | |
135 | ||
136 | static DEVICE_ATTR(pcie_replay_count, S_IRUGO, | |
137 | amdgpu_device_get_pcie_replay_count, NULL); | |
138 | ||
5494d864 AD |
139 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); |
140 | ||
bd607166 KR |
141 | /** |
142 | * DOC: product_name | |
143 | * | |
144 | * The amdgpu driver provides a sysfs API for reporting the product name | |
145 | * for the device | |
146 | * The file serial_number is used for this and returns the product name | |
147 | * as returned from the FRU. | |
148 | * NOTE: This is only available for certain server cards | |
149 | */ | |
150 | ||
151 | static ssize_t amdgpu_device_get_product_name(struct device *dev, | |
152 | struct device_attribute *attr, char *buf) | |
153 | { | |
154 | struct drm_device *ddev = dev_get_drvdata(dev); | |
155 | struct amdgpu_device *adev = ddev->dev_private; | |
156 | ||
157 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_name); | |
158 | } | |
159 | ||
160 | static DEVICE_ATTR(product_name, S_IRUGO, | |
161 | amdgpu_device_get_product_name, NULL); | |
162 | ||
163 | /** | |
164 | * DOC: product_number | |
165 | * | |
166 | * The amdgpu driver provides a sysfs API for reporting the part number | |
167 | * for the device | |
168 | * The file serial_number is used for this and returns the part number | |
169 | * as returned from the FRU. | |
170 | * NOTE: This is only available for certain server cards | |
171 | */ | |
172 | ||
173 | static ssize_t amdgpu_device_get_product_number(struct device *dev, | |
174 | struct device_attribute *attr, char *buf) | |
175 | { | |
176 | struct drm_device *ddev = dev_get_drvdata(dev); | |
177 | struct amdgpu_device *adev = ddev->dev_private; | |
178 | ||
179 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_number); | |
180 | } | |
181 | ||
182 | static DEVICE_ATTR(product_number, S_IRUGO, | |
183 | amdgpu_device_get_product_number, NULL); | |
184 | ||
185 | /** | |
186 | * DOC: serial_number | |
187 | * | |
188 | * The amdgpu driver provides a sysfs API for reporting the serial number | |
189 | * for the device | |
190 | * The file serial_number is used for this and returns the serial number | |
191 | * as returned from the FRU. | |
192 | * NOTE: This is only available for certain server cards | |
193 | */ | |
194 | ||
195 | static ssize_t amdgpu_device_get_serial_number(struct device *dev, | |
196 | struct device_attribute *attr, char *buf) | |
197 | { | |
198 | struct drm_device *ddev = dev_get_drvdata(dev); | |
199 | struct amdgpu_device *adev = ddev->dev_private; | |
200 | ||
201 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->serial); | |
202 | } | |
203 | ||
204 | static DEVICE_ATTR(serial_number, S_IRUGO, | |
205 | amdgpu_device_get_serial_number, NULL); | |
206 | ||
e3ecdffa | 207 | /** |
31af062a | 208 | * amdgpu_device_supports_boco - Is the device a dGPU with HG/PX power control |
e3ecdffa AD |
209 | * |
210 | * @dev: drm_device pointer | |
211 | * | |
212 | * Returns true if the device is a dGPU with HG/PX power control, | |
213 | * otherwise return false. | |
214 | */ | |
31af062a | 215 | bool amdgpu_device_supports_boco(struct drm_device *dev) |
d38ceaf9 AD |
216 | { |
217 | struct amdgpu_device *adev = dev->dev_private; | |
218 | ||
2f7d10b3 | 219 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
220 | return true; |
221 | return false; | |
222 | } | |
223 | ||
a69cba42 AD |
224 | /** |
225 | * amdgpu_device_supports_baco - Does the device support BACO | |
226 | * | |
227 | * @dev: drm_device pointer | |
228 | * | |
229 | * Returns true if the device supporte BACO, | |
230 | * otherwise return false. | |
231 | */ | |
232 | bool amdgpu_device_supports_baco(struct drm_device *dev) | |
233 | { | |
234 | struct amdgpu_device *adev = dev->dev_private; | |
235 | ||
236 | return amdgpu_asic_supports_baco(adev); | |
237 | } | |
238 | ||
e35e2b11 TY |
239 | /** |
240 | * VRAM access helper functions. | |
241 | * | |
242 | * amdgpu_device_vram_access - read/write a buffer in vram | |
243 | * | |
244 | * @adev: amdgpu_device pointer | |
245 | * @pos: offset of the buffer in vram | |
246 | * @buf: virtual address of the buffer in system memory | |
247 | * @size: read/write size, sizeof(@buf) must > @size | |
248 | * @write: true - write to vram, otherwise - read from vram | |
249 | */ | |
250 | void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, | |
251 | uint32_t *buf, size_t size, bool write) | |
252 | { | |
e35e2b11 | 253 | unsigned long flags; |
ce05ac56 CK |
254 | uint32_t hi = ~0; |
255 | uint64_t last; | |
256 | ||
257 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
258 | for (last = pos + size; pos < last; pos += 4) { | |
259 | uint32_t tmp = pos >> 31; | |
e35e2b11 | 260 | |
e35e2b11 | 261 | WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); |
ce05ac56 CK |
262 | if (tmp != hi) { |
263 | WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); | |
264 | hi = tmp; | |
265 | } | |
e35e2b11 TY |
266 | if (write) |
267 | WREG32_NO_KIQ(mmMM_DATA, *buf++); | |
268 | else | |
269 | *buf++ = RREG32_NO_KIQ(mmMM_DATA); | |
e35e2b11 | 270 | } |
ce05ac56 | 271 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); |
e35e2b11 TY |
272 | } |
273 | ||
d38ceaf9 | 274 | /* |
2eee0229 | 275 | * device register access helper functions. |
d38ceaf9 | 276 | */ |
e3ecdffa | 277 | /** |
2eee0229 | 278 | * amdgpu_device_rreg - read a register |
e3ecdffa AD |
279 | * |
280 | * @adev: amdgpu_device pointer | |
281 | * @reg: dword aligned register offset | |
282 | * @acc_flags: access flags which require special behavior | |
283 | * | |
284 | * Returns the 32 bit value from the offset specified. | |
285 | */ | |
2eee0229 HZ |
286 | uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, uint32_t reg, |
287 | uint32_t acc_flags) | |
d38ceaf9 | 288 | { |
f4b373f4 TSD |
289 | uint32_t ret; |
290 | ||
f384ff95 | 291 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) |
d33a99c4 | 292 | return amdgpu_kiq_rreg(adev, reg); |
bc992ba5 | 293 | |
ec59847e | 294 | if ((reg * 4) < adev->rmmio_size) |
f4b373f4 | 295 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); |
2eee0229 HZ |
296 | else |
297 | ret = adev->pcie_rreg(adev, (reg * 4)); | |
298 | trace_amdgpu_device_rreg(adev->pdev->device, reg, ret); | |
f4b373f4 | 299 | return ret; |
d38ceaf9 AD |
300 | } |
301 | ||
421a2a30 ML |
302 | /* |
303 | * MMIO register read with bytes helper functions | |
304 | * @offset:bytes offset from MMIO start | |
305 | * | |
306 | */ | |
307 | ||
e3ecdffa AD |
308 | /** |
309 | * amdgpu_mm_rreg8 - read a memory mapped IO register | |
310 | * | |
311 | * @adev: amdgpu_device pointer | |
312 | * @offset: byte aligned register offset | |
313 | * | |
314 | * Returns the 8 bit value from the offset specified. | |
315 | */ | |
421a2a30 ML |
316 | uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) { |
317 | if (offset < adev->rmmio_size) | |
318 | return (readb(adev->rmmio + offset)); | |
319 | BUG(); | |
320 | } | |
321 | ||
322 | /* | |
323 | * MMIO register write with bytes helper functions | |
324 | * @offset:bytes offset from MMIO start | |
325 | * @value: the value want to be written to the register | |
326 | * | |
327 | */ | |
e3ecdffa AD |
328 | /** |
329 | * amdgpu_mm_wreg8 - read a memory mapped IO register | |
330 | * | |
331 | * @adev: amdgpu_device pointer | |
332 | * @offset: byte aligned register offset | |
333 | * @value: 8 bit value to write | |
334 | * | |
335 | * Writes the value specified to the offset specified. | |
336 | */ | |
421a2a30 ML |
337 | void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) { |
338 | if (offset < adev->rmmio_size) | |
339 | writeb(value, adev->rmmio + offset); | |
340 | else | |
341 | BUG(); | |
342 | } | |
343 | ||
2eee0229 HZ |
344 | void static inline amdgpu_device_wreg_no_kiq(struct amdgpu_device *adev, uint32_t reg, |
345 | uint32_t v, uint32_t acc_flags) | |
2e0cc4d4 | 346 | { |
2eee0229 | 347 | trace_amdgpu_device_wreg(adev->pdev->device, reg, v); |
2e0cc4d4 | 348 | |
ec59847e | 349 | if ((reg * 4) < adev->rmmio_size) |
2e0cc4d4 | 350 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); |
2eee0229 HZ |
351 | else |
352 | adev->pcie_wreg(adev, (reg * 4), v); | |
2e0cc4d4 ML |
353 | } |
354 | ||
e3ecdffa | 355 | /** |
2eee0229 | 356 | * amdgpu_device_wreg - write to a register |
e3ecdffa AD |
357 | * |
358 | * @adev: amdgpu_device pointer | |
359 | * @reg: dword aligned register offset | |
360 | * @v: 32 bit value to write to the register | |
361 | * @acc_flags: access flags which require special behavior | |
362 | * | |
363 | * Writes the value specified to the offset specified. | |
364 | */ | |
2eee0229 HZ |
365 | void amdgpu_device_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, |
366 | uint32_t acc_flags) | |
d38ceaf9 | 367 | { |
f384ff95 | 368 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) |
d33a99c4 | 369 | return amdgpu_kiq_wreg(adev, reg, v); |
bc992ba5 | 370 | |
2eee0229 | 371 | amdgpu_device_wreg_no_kiq(adev, reg, v, acc_flags); |
2e0cc4d4 | 372 | } |
d38ceaf9 | 373 | |
2e0cc4d4 ML |
374 | /* |
375 | * amdgpu_mm_wreg_mmio_rlc - write register either with mmio or with RLC path if in range | |
376 | * | |
377 | * this function is invoked only the debugfs register access | |
378 | * */ | |
379 | void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, uint32_t reg, uint32_t v, | |
380 | uint32_t acc_flags) | |
381 | { | |
382 | if (amdgpu_sriov_fullaccess(adev) && | |
383 | adev->gfx.rlc.funcs && | |
384 | adev->gfx.rlc.funcs->is_rlcg_access_range) { | |
47ed4e1c | 385 | |
2e0cc4d4 ML |
386 | if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) |
387 | return adev->gfx.rlc.funcs->rlcg_wreg(adev, reg, v); | |
47ed4e1c | 388 | } |
2e0cc4d4 | 389 | |
2eee0229 | 390 | amdgpu_device_wreg_no_kiq(adev, reg, v, acc_flags); |
d38ceaf9 AD |
391 | } |
392 | ||
e3ecdffa AD |
393 | /** |
394 | * amdgpu_io_rreg - read an IO register | |
395 | * | |
396 | * @adev: amdgpu_device pointer | |
397 | * @reg: dword aligned register offset | |
398 | * | |
399 | * Returns the 32 bit value from the offset specified. | |
400 | */ | |
d38ceaf9 AD |
401 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) |
402 | { | |
403 | if ((reg * 4) < adev->rio_mem_size) | |
404 | return ioread32(adev->rio_mem + (reg * 4)); | |
405 | else { | |
406 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
407 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
408 | } | |
409 | } | |
410 | ||
e3ecdffa AD |
411 | /** |
412 | * amdgpu_io_wreg - write to an IO register | |
413 | * | |
414 | * @adev: amdgpu_device pointer | |
415 | * @reg: dword aligned register offset | |
416 | * @v: 32 bit value to write to the register | |
417 | * | |
418 | * Writes the value specified to the offset specified. | |
419 | */ | |
d38ceaf9 AD |
420 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) |
421 | { | |
d38ceaf9 AD |
422 | if ((reg * 4) < adev->rio_mem_size) |
423 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
424 | else { | |
425 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
426 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
427 | } | |
428 | } | |
429 | ||
430 | /** | |
431 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
432 | * | |
433 | * @adev: amdgpu_device pointer | |
434 | * @index: doorbell index | |
435 | * | |
436 | * Returns the value in the doorbell aperture at the | |
437 | * requested doorbell index (CIK). | |
438 | */ | |
439 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
440 | { | |
441 | if (index < adev->doorbell.num_doorbells) { | |
442 | return readl(adev->doorbell.ptr + index); | |
443 | } else { | |
444 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
445 | return 0; | |
446 | } | |
447 | } | |
448 | ||
449 | /** | |
450 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
451 | * | |
452 | * @adev: amdgpu_device pointer | |
453 | * @index: doorbell index | |
454 | * @v: value to write | |
455 | * | |
456 | * Writes @v to the doorbell aperture at the | |
457 | * requested doorbell index (CIK). | |
458 | */ | |
459 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
460 | { | |
461 | if (index < adev->doorbell.num_doorbells) { | |
462 | writel(v, adev->doorbell.ptr + index); | |
463 | } else { | |
464 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
465 | } | |
466 | } | |
467 | ||
832be404 KW |
468 | /** |
469 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
470 | * | |
471 | * @adev: amdgpu_device pointer | |
472 | * @index: doorbell index | |
473 | * | |
474 | * Returns the value in the doorbell aperture at the | |
475 | * requested doorbell index (VEGA10+). | |
476 | */ | |
477 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
478 | { | |
479 | if (index < adev->doorbell.num_doorbells) { | |
480 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
481 | } else { | |
482 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
483 | return 0; | |
484 | } | |
485 | } | |
486 | ||
487 | /** | |
488 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
489 | * | |
490 | * @adev: amdgpu_device pointer | |
491 | * @index: doorbell index | |
492 | * @v: value to write | |
493 | * | |
494 | * Writes @v to the doorbell aperture at the | |
495 | * requested doorbell index (VEGA10+). | |
496 | */ | |
497 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
498 | { | |
499 | if (index < adev->doorbell.num_doorbells) { | |
500 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
501 | } else { | |
502 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
503 | } | |
504 | } | |
505 | ||
d38ceaf9 AD |
506 | /** |
507 | * amdgpu_invalid_rreg - dummy reg read function | |
508 | * | |
509 | * @adev: amdgpu device pointer | |
510 | * @reg: offset of register | |
511 | * | |
512 | * Dummy register read function. Used for register blocks | |
513 | * that certain asics don't have (all asics). | |
514 | * Returns the value in the register. | |
515 | */ | |
516 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
517 | { | |
518 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
519 | BUG(); | |
520 | return 0; | |
521 | } | |
522 | ||
523 | /** | |
524 | * amdgpu_invalid_wreg - dummy reg write function | |
525 | * | |
526 | * @adev: amdgpu device pointer | |
527 | * @reg: offset of register | |
528 | * @v: value to write to the register | |
529 | * | |
530 | * Dummy register read function. Used for register blocks | |
531 | * that certain asics don't have (all asics). | |
532 | */ | |
533 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
534 | { | |
535 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
536 | reg, v); | |
537 | BUG(); | |
538 | } | |
539 | ||
4fa1c6a6 TZ |
540 | /** |
541 | * amdgpu_invalid_rreg64 - dummy 64 bit reg read function | |
542 | * | |
543 | * @adev: amdgpu device pointer | |
544 | * @reg: offset of register | |
545 | * | |
546 | * Dummy register read function. Used for register blocks | |
547 | * that certain asics don't have (all asics). | |
548 | * Returns the value in the register. | |
549 | */ | |
550 | static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) | |
551 | { | |
552 | DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg); | |
553 | BUG(); | |
554 | return 0; | |
555 | } | |
556 | ||
557 | /** | |
558 | * amdgpu_invalid_wreg64 - dummy reg write function | |
559 | * | |
560 | * @adev: amdgpu device pointer | |
561 | * @reg: offset of register | |
562 | * @v: value to write to the register | |
563 | * | |
564 | * Dummy register read function. Used for register blocks | |
565 | * that certain asics don't have (all asics). | |
566 | */ | |
567 | static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) | |
568 | { | |
569 | DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", | |
570 | reg, v); | |
571 | BUG(); | |
572 | } | |
573 | ||
d38ceaf9 AD |
574 | /** |
575 | * amdgpu_block_invalid_rreg - dummy reg read function | |
576 | * | |
577 | * @adev: amdgpu device pointer | |
578 | * @block: offset of instance | |
579 | * @reg: offset of register | |
580 | * | |
581 | * Dummy register read function. Used for register blocks | |
582 | * that certain asics don't have (all asics). | |
583 | * Returns the value in the register. | |
584 | */ | |
585 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
586 | uint32_t block, uint32_t reg) | |
587 | { | |
588 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
589 | reg, block); | |
590 | BUG(); | |
591 | return 0; | |
592 | } | |
593 | ||
594 | /** | |
595 | * amdgpu_block_invalid_wreg - dummy reg write function | |
596 | * | |
597 | * @adev: amdgpu device pointer | |
598 | * @block: offset of instance | |
599 | * @reg: offset of register | |
600 | * @v: value to write to the register | |
601 | * | |
602 | * Dummy register read function. Used for register blocks | |
603 | * that certain asics don't have (all asics). | |
604 | */ | |
605 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
606 | uint32_t block, | |
607 | uint32_t reg, uint32_t v) | |
608 | { | |
609 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
610 | reg, block, v); | |
611 | BUG(); | |
612 | } | |
613 | ||
e3ecdffa AD |
614 | /** |
615 | * amdgpu_device_vram_scratch_init - allocate the VRAM scratch page | |
616 | * | |
617 | * @adev: amdgpu device pointer | |
618 | * | |
619 | * Allocates a scratch page of VRAM for use by various things in the | |
620 | * driver. | |
621 | */ | |
06ec9070 | 622 | static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) |
d38ceaf9 | 623 | { |
a4a02777 CK |
624 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
625 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, | |
626 | &adev->vram_scratch.robj, | |
627 | &adev->vram_scratch.gpu_addr, | |
628 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
629 | } |
630 | ||
e3ecdffa AD |
631 | /** |
632 | * amdgpu_device_vram_scratch_fini - Free the VRAM scratch page | |
633 | * | |
634 | * @adev: amdgpu device pointer | |
635 | * | |
636 | * Frees the VRAM scratch page. | |
637 | */ | |
06ec9070 | 638 | static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev) |
d38ceaf9 | 639 | { |
078af1a3 | 640 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
641 | } |
642 | ||
643 | /** | |
9c3f2b54 | 644 | * amdgpu_device_program_register_sequence - program an array of registers. |
d38ceaf9 AD |
645 | * |
646 | * @adev: amdgpu_device pointer | |
647 | * @registers: pointer to the register array | |
648 | * @array_size: size of the register array | |
649 | * | |
650 | * Programs an array or registers with and and or masks. | |
651 | * This is a helper for setting golden registers. | |
652 | */ | |
9c3f2b54 AD |
653 | void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, |
654 | const u32 *registers, | |
655 | const u32 array_size) | |
d38ceaf9 AD |
656 | { |
657 | u32 tmp, reg, and_mask, or_mask; | |
658 | int i; | |
659 | ||
660 | if (array_size % 3) | |
661 | return; | |
662 | ||
663 | for (i = 0; i < array_size; i +=3) { | |
664 | reg = registers[i + 0]; | |
665 | and_mask = registers[i + 1]; | |
666 | or_mask = registers[i + 2]; | |
667 | ||
668 | if (and_mask == 0xffffffff) { | |
669 | tmp = or_mask; | |
670 | } else { | |
671 | tmp = RREG32(reg); | |
672 | tmp &= ~and_mask; | |
e0d07657 HZ |
673 | if (adev->family >= AMDGPU_FAMILY_AI) |
674 | tmp |= (or_mask & and_mask); | |
675 | else | |
676 | tmp |= or_mask; | |
d38ceaf9 AD |
677 | } |
678 | WREG32(reg, tmp); | |
679 | } | |
680 | } | |
681 | ||
e3ecdffa AD |
682 | /** |
683 | * amdgpu_device_pci_config_reset - reset the GPU | |
684 | * | |
685 | * @adev: amdgpu_device pointer | |
686 | * | |
687 | * Resets the GPU using the pci config reset sequence. | |
688 | * Only applicable to asics prior to vega10. | |
689 | */ | |
8111c387 | 690 | void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) |
d38ceaf9 AD |
691 | { |
692 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
693 | } | |
694 | ||
695 | /* | |
696 | * GPU doorbell aperture helpers function. | |
697 | */ | |
698 | /** | |
06ec9070 | 699 | * amdgpu_device_doorbell_init - Init doorbell driver information. |
d38ceaf9 AD |
700 | * |
701 | * @adev: amdgpu_device pointer | |
702 | * | |
703 | * Init doorbell driver information (CIK) | |
704 | * Returns 0 on success, error on failure. | |
705 | */ | |
06ec9070 | 706 | static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) |
d38ceaf9 | 707 | { |
6585661d | 708 | |
705e519e CK |
709 | /* No doorbell on SI hardware generation */ |
710 | if (adev->asic_type < CHIP_BONAIRE) { | |
711 | adev->doorbell.base = 0; | |
712 | adev->doorbell.size = 0; | |
713 | adev->doorbell.num_doorbells = 0; | |
714 | adev->doorbell.ptr = NULL; | |
715 | return 0; | |
716 | } | |
717 | ||
d6895ad3 CK |
718 | if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) |
719 | return -EINVAL; | |
720 | ||
22357775 AD |
721 | amdgpu_asic_init_doorbell_index(adev); |
722 | ||
d38ceaf9 AD |
723 | /* doorbell bar mapping */ |
724 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
725 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
726 | ||
edf600da | 727 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
9564f192 | 728 | adev->doorbell_index.max_assignment+1); |
d38ceaf9 AD |
729 | if (adev->doorbell.num_doorbells == 0) |
730 | return -EINVAL; | |
731 | ||
ec3db8a6 | 732 | /* For Vega, reserve and map two pages on doorbell BAR since SDMA |
88dc26e4 OZ |
733 | * paging queue doorbell use the second page. The |
734 | * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the | |
735 | * doorbells are in the first page. So with paging queue enabled, | |
736 | * the max num_doorbells should + 1 page (0x400 in dword) | |
ec3db8a6 PY |
737 | */ |
738 | if (adev->asic_type >= CHIP_VEGA10) | |
88dc26e4 | 739 | adev->doorbell.num_doorbells += 0x400; |
ec3db8a6 | 740 | |
8972e5d2 CK |
741 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
742 | adev->doorbell.num_doorbells * | |
743 | sizeof(u32)); | |
744 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 745 | return -ENOMEM; |
d38ceaf9 AD |
746 | |
747 | return 0; | |
748 | } | |
749 | ||
750 | /** | |
06ec9070 | 751 | * amdgpu_device_doorbell_fini - Tear down doorbell driver information. |
d38ceaf9 AD |
752 | * |
753 | * @adev: amdgpu_device pointer | |
754 | * | |
755 | * Tear down doorbell driver information (CIK) | |
756 | */ | |
06ec9070 | 757 | static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
758 | { |
759 | iounmap(adev->doorbell.ptr); | |
760 | adev->doorbell.ptr = NULL; | |
761 | } | |
762 | ||
22cb0164 | 763 | |
d38ceaf9 AD |
764 | |
765 | /* | |
06ec9070 | 766 | * amdgpu_device_wb_*() |
455a7bc2 | 767 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 768 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
769 | */ |
770 | ||
771 | /** | |
06ec9070 | 772 | * amdgpu_device_wb_fini - Disable Writeback and free memory |
d38ceaf9 AD |
773 | * |
774 | * @adev: amdgpu_device pointer | |
775 | * | |
776 | * Disables Writeback and frees the Writeback memory (all asics). | |
777 | * Used at driver shutdown. | |
778 | */ | |
06ec9070 | 779 | static void amdgpu_device_wb_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
780 | { |
781 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
782 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
783 | &adev->wb.gpu_addr, | |
784 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
785 | adev->wb.wb_obj = NULL; |
786 | } | |
787 | } | |
788 | ||
789 | /** | |
06ec9070 | 790 | * amdgpu_device_wb_init- Init Writeback driver info and allocate memory |
d38ceaf9 AD |
791 | * |
792 | * @adev: amdgpu_device pointer | |
793 | * | |
455a7bc2 | 794 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
795 | * Used at driver startup. |
796 | * Returns 0 on success or an -error on failure. | |
797 | */ | |
06ec9070 | 798 | static int amdgpu_device_wb_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
799 | { |
800 | int r; | |
801 | ||
802 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
803 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
804 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
805 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
806 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
807 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
808 | if (r) { |
809 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
810 | return r; | |
811 | } | |
d38ceaf9 AD |
812 | |
813 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
814 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
815 | ||
816 | /* clear wb memory */ | |
73469585 | 817 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8); |
d38ceaf9 AD |
818 | } |
819 | ||
820 | return 0; | |
821 | } | |
822 | ||
823 | /** | |
131b4b36 | 824 | * amdgpu_device_wb_get - Allocate a wb entry |
d38ceaf9 AD |
825 | * |
826 | * @adev: amdgpu_device pointer | |
827 | * @wb: wb index | |
828 | * | |
829 | * Allocate a wb slot for use by the driver (all asics). | |
830 | * Returns 0 on success or -EINVAL on failure. | |
831 | */ | |
131b4b36 | 832 | int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) |
d38ceaf9 AD |
833 | { |
834 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 835 | |
97407b63 | 836 | if (offset < adev->wb.num_wb) { |
7014285a | 837 | __set_bit(offset, adev->wb.used); |
63ae07ca | 838 | *wb = offset << 3; /* convert to dw offset */ |
0915fdbc ML |
839 | return 0; |
840 | } else { | |
841 | return -EINVAL; | |
842 | } | |
843 | } | |
844 | ||
d38ceaf9 | 845 | /** |
131b4b36 | 846 | * amdgpu_device_wb_free - Free a wb entry |
d38ceaf9 AD |
847 | * |
848 | * @adev: amdgpu_device pointer | |
849 | * @wb: wb index | |
850 | * | |
851 | * Free a wb slot allocated for use by the driver (all asics) | |
852 | */ | |
131b4b36 | 853 | void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) |
d38ceaf9 | 854 | { |
73469585 | 855 | wb >>= 3; |
d38ceaf9 | 856 | if (wb < adev->wb.num_wb) |
73469585 | 857 | __clear_bit(wb, adev->wb.used); |
d38ceaf9 AD |
858 | } |
859 | ||
d6895ad3 CK |
860 | /** |
861 | * amdgpu_device_resize_fb_bar - try to resize FB BAR | |
862 | * | |
863 | * @adev: amdgpu_device pointer | |
864 | * | |
865 | * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not | |
866 | * to fail, but if any of the BARs is not accessible after the size we abort | |
867 | * driver loading by returning -ENODEV. | |
868 | */ | |
869 | int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) | |
870 | { | |
770d13b1 | 871 | u64 space_needed = roundup_pow_of_two(adev->gmc.real_vram_size); |
d6895ad3 | 872 | u32 rbar_size = order_base_2(((space_needed >> 20) | 1)) - 1; |
31b8adab CK |
873 | struct pci_bus *root; |
874 | struct resource *res; | |
875 | unsigned i; | |
d6895ad3 CK |
876 | u16 cmd; |
877 | int r; | |
878 | ||
0c03b912 | 879 | /* Bypass for VF */ |
880 | if (amdgpu_sriov_vf(adev)) | |
881 | return 0; | |
882 | ||
31b8adab CK |
883 | /* Check if the root BUS has 64bit memory resources */ |
884 | root = adev->pdev->bus; | |
885 | while (root->parent) | |
886 | root = root->parent; | |
887 | ||
888 | pci_bus_for_each_resource(root, res, i) { | |
0ebb7c54 | 889 | if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && |
31b8adab CK |
890 | res->start > 0x100000000ull) |
891 | break; | |
892 | } | |
893 | ||
894 | /* Trying to resize is pointless without a root hub window above 4GB */ | |
895 | if (!res) | |
896 | return 0; | |
897 | ||
d6895ad3 CK |
898 | /* Disable memory decoding while we change the BAR addresses and size */ |
899 | pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); | |
900 | pci_write_config_word(adev->pdev, PCI_COMMAND, | |
901 | cmd & ~PCI_COMMAND_MEMORY); | |
902 | ||
903 | /* Free the VRAM and doorbell BAR, we most likely need to move both. */ | |
06ec9070 | 904 | amdgpu_device_doorbell_fini(adev); |
d6895ad3 CK |
905 | if (adev->asic_type >= CHIP_BONAIRE) |
906 | pci_release_resource(adev->pdev, 2); | |
907 | ||
908 | pci_release_resource(adev->pdev, 0); | |
909 | ||
910 | r = pci_resize_resource(adev->pdev, 0, rbar_size); | |
911 | if (r == -ENOSPC) | |
912 | DRM_INFO("Not enough PCI address space for a large BAR."); | |
913 | else if (r && r != -ENOTSUPP) | |
914 | DRM_ERROR("Problem resizing BAR0 (%d).", r); | |
915 | ||
916 | pci_assign_unassigned_bus_resources(adev->pdev->bus); | |
917 | ||
918 | /* When the doorbell or fb BAR isn't available we have no chance of | |
919 | * using the device. | |
920 | */ | |
06ec9070 | 921 | r = amdgpu_device_doorbell_init(adev); |
d6895ad3 CK |
922 | if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) |
923 | return -ENODEV; | |
924 | ||
925 | pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); | |
926 | ||
927 | return 0; | |
928 | } | |
a05502e5 | 929 | |
d38ceaf9 AD |
930 | /* |
931 | * GPU helpers function. | |
932 | */ | |
933 | /** | |
39c640c0 | 934 | * amdgpu_device_need_post - check if the hw need post or not |
d38ceaf9 AD |
935 | * |
936 | * @adev: amdgpu_device pointer | |
937 | * | |
c836fec5 JQ |
938 | * Check if the asic has been initialized (all asics) at driver startup |
939 | * or post is needed if hw reset is performed. | |
940 | * Returns true if need or false if not. | |
d38ceaf9 | 941 | */ |
39c640c0 | 942 | bool amdgpu_device_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
943 | { |
944 | uint32_t reg; | |
945 | ||
bec86378 ML |
946 | if (amdgpu_sriov_vf(adev)) |
947 | return false; | |
948 | ||
949 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
950 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
951 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
952 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
953 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
954 | */ |
955 | if (adev->asic_type == CHIP_FIJI) { | |
956 | int err; | |
957 | uint32_t fw_ver; | |
958 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
959 | /* force vPost if error occured */ | |
960 | if (err) | |
961 | return true; | |
962 | ||
963 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
964 | if (fw_ver < 0x00160e00) |
965 | return true; | |
bec86378 | 966 | } |
bec86378 | 967 | } |
91fe77eb | 968 | |
969 | if (adev->has_hw_reset) { | |
970 | adev->has_hw_reset = false; | |
971 | return true; | |
972 | } | |
973 | ||
974 | /* bios scratch used on CIK+ */ | |
975 | if (adev->asic_type >= CHIP_BONAIRE) | |
976 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
977 | ||
978 | /* check MEM_SIZE for older asics */ | |
979 | reg = amdgpu_asic_get_config_memsize(adev); | |
980 | ||
981 | if ((reg != 0) && (reg != 0xffffffff)) | |
982 | return false; | |
983 | ||
984 | return true; | |
bec86378 ML |
985 | } |
986 | ||
d38ceaf9 AD |
987 | /* if we get transitioned to only one device, take VGA back */ |
988 | /** | |
06ec9070 | 989 | * amdgpu_device_vga_set_decode - enable/disable vga decode |
d38ceaf9 AD |
990 | * |
991 | * @cookie: amdgpu_device pointer | |
992 | * @state: enable/disable vga decode | |
993 | * | |
994 | * Enable/disable vga decode (all asics). | |
995 | * Returns VGA resource flags. | |
996 | */ | |
06ec9070 | 997 | static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state) |
d38ceaf9 AD |
998 | { |
999 | struct amdgpu_device *adev = cookie; | |
1000 | amdgpu_asic_set_vga_state(adev, state); | |
1001 | if (state) | |
1002 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1003 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1004 | else | |
1005 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1006 | } | |
1007 | ||
e3ecdffa AD |
1008 | /** |
1009 | * amdgpu_device_check_block_size - validate the vm block size | |
1010 | * | |
1011 | * @adev: amdgpu_device pointer | |
1012 | * | |
1013 | * Validates the vm block size specified via module parameter. | |
1014 | * The vm block size defines number of bits in page table versus page directory, | |
1015 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1016 | * page table and the remaining bits are in the page directory. | |
1017 | */ | |
06ec9070 | 1018 | static void amdgpu_device_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1019 | { |
1020 | /* defines number of bits in page table versus page directory, | |
1021 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1022 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
1023 | if (amdgpu_vm_block_size == -1) |
1024 | return; | |
a1adf8be | 1025 | |
bab4fee7 | 1026 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1027 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1028 | amdgpu_vm_block_size); | |
97489129 | 1029 | amdgpu_vm_block_size = -1; |
a1adf8be | 1030 | } |
a1adf8be CZ |
1031 | } |
1032 | ||
e3ecdffa AD |
1033 | /** |
1034 | * amdgpu_device_check_vm_size - validate the vm size | |
1035 | * | |
1036 | * @adev: amdgpu_device pointer | |
1037 | * | |
1038 | * Validates the vm size in GB specified via module parameter. | |
1039 | * The VM size is the size of the GPU virtual memory space in GB. | |
1040 | */ | |
06ec9070 | 1041 | static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) |
83ca145d | 1042 | { |
64dab074 AD |
1043 | /* no need to check the default value */ |
1044 | if (amdgpu_vm_size == -1) | |
1045 | return; | |
1046 | ||
83ca145d ZJ |
1047 | if (amdgpu_vm_size < 1) { |
1048 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1049 | amdgpu_vm_size); | |
f3368128 | 1050 | amdgpu_vm_size = -1; |
83ca145d | 1051 | } |
83ca145d ZJ |
1052 | } |
1053 | ||
7951e376 RZ |
1054 | static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) |
1055 | { | |
1056 | struct sysinfo si; | |
a9d4fe2f | 1057 | bool is_os_64 = (sizeof(void *) == 8); |
7951e376 RZ |
1058 | uint64_t total_memory; |
1059 | uint64_t dram_size_seven_GB = 0x1B8000000; | |
1060 | uint64_t dram_size_three_GB = 0xB8000000; | |
1061 | ||
1062 | if (amdgpu_smu_memory_pool_size == 0) | |
1063 | return; | |
1064 | ||
1065 | if (!is_os_64) { | |
1066 | DRM_WARN("Not 64-bit OS, feature not supported\n"); | |
1067 | goto def_value; | |
1068 | } | |
1069 | si_meminfo(&si); | |
1070 | total_memory = (uint64_t)si.totalram * si.mem_unit; | |
1071 | ||
1072 | if ((amdgpu_smu_memory_pool_size == 1) || | |
1073 | (amdgpu_smu_memory_pool_size == 2)) { | |
1074 | if (total_memory < dram_size_three_GB) | |
1075 | goto def_value1; | |
1076 | } else if ((amdgpu_smu_memory_pool_size == 4) || | |
1077 | (amdgpu_smu_memory_pool_size == 8)) { | |
1078 | if (total_memory < dram_size_seven_GB) | |
1079 | goto def_value1; | |
1080 | } else { | |
1081 | DRM_WARN("Smu memory pool size not supported\n"); | |
1082 | goto def_value; | |
1083 | } | |
1084 | adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; | |
1085 | ||
1086 | return; | |
1087 | ||
1088 | def_value1: | |
1089 | DRM_WARN("No enough system memory\n"); | |
1090 | def_value: | |
1091 | adev->pm.smu_prv_buffer_size = 0; | |
1092 | } | |
1093 | ||
d38ceaf9 | 1094 | /** |
06ec9070 | 1095 | * amdgpu_device_check_arguments - validate module params |
d38ceaf9 AD |
1096 | * |
1097 | * @adev: amdgpu_device pointer | |
1098 | * | |
1099 | * Validates certain module parameters and updates | |
1100 | * the associated values used by the driver (all asics). | |
1101 | */ | |
912dfc84 | 1102 | static int amdgpu_device_check_arguments(struct amdgpu_device *adev) |
d38ceaf9 | 1103 | { |
5b011235 CZ |
1104 | if (amdgpu_sched_jobs < 4) { |
1105 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1106 | amdgpu_sched_jobs); | |
1107 | amdgpu_sched_jobs = 4; | |
76117507 | 1108 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
1109 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1110 | amdgpu_sched_jobs); | |
1111 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1112 | } | |
d38ceaf9 | 1113 | |
83e74db6 | 1114 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1115 | /* gart size must be greater or equal to 32M */ |
1116 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1117 | amdgpu_gart_size); | |
83e74db6 | 1118 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1119 | } |
1120 | ||
36d38372 | 1121 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1122 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1123 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1124 | amdgpu_gtt_size); | |
1125 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1126 | } |
1127 | ||
d07f14be RH |
1128 | /* valid range is between 4 and 9 inclusive */ |
1129 | if (amdgpu_vm_fragment_size != -1 && | |
1130 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1131 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1132 | amdgpu_vm_fragment_size = -1; | |
1133 | } | |
1134 | ||
7951e376 RZ |
1135 | amdgpu_device_check_smu_prv_buffer_size(adev); |
1136 | ||
06ec9070 | 1137 | amdgpu_device_check_vm_size(adev); |
d38ceaf9 | 1138 | |
06ec9070 | 1139 | amdgpu_device_check_block_size(adev); |
6a7f76e7 | 1140 | |
19aede77 | 1141 | adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); |
912dfc84 | 1142 | |
c6252390 | 1143 | amdgpu_gmc_tmz_set(adev); |
01a8dcec | 1144 | |
e3c00faa | 1145 | return 0; |
d38ceaf9 AD |
1146 | } |
1147 | ||
1148 | /** | |
1149 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1150 | * | |
1151 | * @pdev: pci dev pointer | |
1694467b | 1152 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1153 | * |
1154 | * Callback for the switcheroo driver. Suspends or resumes the | |
1155 | * the asics before or after it is powered up using ACPI methods. | |
1156 | */ | |
1157 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) | |
1158 | { | |
1159 | struct drm_device *dev = pci_get_drvdata(pdev); | |
de185019 | 1160 | int r; |
d38ceaf9 | 1161 | |
31af062a | 1162 | if (amdgpu_device_supports_boco(dev) && state == VGA_SWITCHEROO_OFF) |
d38ceaf9 AD |
1163 | return; |
1164 | ||
1165 | if (state == VGA_SWITCHEROO_ON) { | |
dd4fa6c1 | 1166 | pr_info("switched on\n"); |
d38ceaf9 AD |
1167 | /* don't suspend or resume card normally */ |
1168 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1169 | ||
de185019 AD |
1170 | pci_set_power_state(dev->pdev, PCI_D0); |
1171 | pci_restore_state(dev->pdev); | |
1172 | r = pci_enable_device(dev->pdev); | |
1173 | if (r) | |
1174 | DRM_WARN("pci_enable_device failed (%d)\n", r); | |
1175 | amdgpu_device_resume(dev, true); | |
d38ceaf9 | 1176 | |
d38ceaf9 AD |
1177 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
1178 | drm_kms_helper_poll_enable(dev); | |
1179 | } else { | |
dd4fa6c1 | 1180 | pr_info("switched off\n"); |
d38ceaf9 AD |
1181 | drm_kms_helper_poll_disable(dev); |
1182 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
de185019 AD |
1183 | amdgpu_device_suspend(dev, true); |
1184 | pci_save_state(dev->pdev); | |
1185 | /* Shut down the device */ | |
1186 | pci_disable_device(dev->pdev); | |
1187 | pci_set_power_state(dev->pdev, PCI_D3cold); | |
d38ceaf9 AD |
1188 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1189 | } | |
1190 | } | |
1191 | ||
1192 | /** | |
1193 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1194 | * | |
1195 | * @pdev: pci dev pointer | |
1196 | * | |
1197 | * Callback for the switcheroo driver. Check of the switcheroo | |
1198 | * state can be changed. | |
1199 | * Returns true if the state can be changed, false if not. | |
1200 | */ | |
1201 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1202 | { | |
1203 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1204 | ||
1205 | /* | |
1206 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1207 | * locking inversion with the driver load path. And the access here is | |
1208 | * completely racy anyway. So don't bother with locking for now. | |
1209 | */ | |
7e13ad89 | 1210 | return atomic_read(&dev->open_count) == 0; |
d38ceaf9 AD |
1211 | } |
1212 | ||
1213 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1214 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1215 | .reprobe = NULL, | |
1216 | .can_switch = amdgpu_switcheroo_can_switch, | |
1217 | }; | |
1218 | ||
e3ecdffa AD |
1219 | /** |
1220 | * amdgpu_device_ip_set_clockgating_state - set the CG state | |
1221 | * | |
87e3f136 | 1222 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1223 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1224 | * @state: clockgating state (gate or ungate) | |
1225 | * | |
1226 | * Sets the requested clockgating state for all instances of | |
1227 | * the hardware IP specified. | |
1228 | * Returns the error code from the last instance. | |
1229 | */ | |
43fa561f | 1230 | int amdgpu_device_ip_set_clockgating_state(void *dev, |
2990a1fc AD |
1231 | enum amd_ip_block_type block_type, |
1232 | enum amd_clockgating_state state) | |
d38ceaf9 | 1233 | { |
43fa561f | 1234 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1235 | int i, r = 0; |
1236 | ||
1237 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1238 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1239 | continue; |
c722865a RZ |
1240 | if (adev->ip_blocks[i].version->type != block_type) |
1241 | continue; | |
1242 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1243 | continue; | |
1244 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1245 | (void *)adev, state); | |
1246 | if (r) | |
1247 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1248 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1249 | } |
1250 | return r; | |
1251 | } | |
1252 | ||
e3ecdffa AD |
1253 | /** |
1254 | * amdgpu_device_ip_set_powergating_state - set the PG state | |
1255 | * | |
87e3f136 | 1256 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1257 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1258 | * @state: powergating state (gate or ungate) | |
1259 | * | |
1260 | * Sets the requested powergating state for all instances of | |
1261 | * the hardware IP specified. | |
1262 | * Returns the error code from the last instance. | |
1263 | */ | |
43fa561f | 1264 | int amdgpu_device_ip_set_powergating_state(void *dev, |
2990a1fc AD |
1265 | enum amd_ip_block_type block_type, |
1266 | enum amd_powergating_state state) | |
d38ceaf9 | 1267 | { |
43fa561f | 1268 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1269 | int i, r = 0; |
1270 | ||
1271 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1272 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1273 | continue; |
c722865a RZ |
1274 | if (adev->ip_blocks[i].version->type != block_type) |
1275 | continue; | |
1276 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1277 | continue; | |
1278 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1279 | (void *)adev, state); | |
1280 | if (r) | |
1281 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1282 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1283 | } |
1284 | return r; | |
1285 | } | |
1286 | ||
e3ecdffa AD |
1287 | /** |
1288 | * amdgpu_device_ip_get_clockgating_state - get the CG state | |
1289 | * | |
1290 | * @adev: amdgpu_device pointer | |
1291 | * @flags: clockgating feature flags | |
1292 | * | |
1293 | * Walks the list of IPs on the device and updates the clockgating | |
1294 | * flags for each IP. | |
1295 | * Updates @flags with the feature flags for each hardware IP where | |
1296 | * clockgating is enabled. | |
1297 | */ | |
2990a1fc AD |
1298 | void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, |
1299 | u32 *flags) | |
6cb2d4e4 HR |
1300 | { |
1301 | int i; | |
1302 | ||
1303 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1304 | if (!adev->ip_blocks[i].status.valid) | |
1305 | continue; | |
1306 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1307 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1308 | } | |
1309 | } | |
1310 | ||
e3ecdffa AD |
1311 | /** |
1312 | * amdgpu_device_ip_wait_for_idle - wait for idle | |
1313 | * | |
1314 | * @adev: amdgpu_device pointer | |
1315 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1316 | * | |
1317 | * Waits for the request hardware IP to be idle. | |
1318 | * Returns 0 for success or a negative error code on failure. | |
1319 | */ | |
2990a1fc AD |
1320 | int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, |
1321 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1322 | { |
1323 | int i, r; | |
1324 | ||
1325 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1326 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1327 | continue; |
a1255107 AD |
1328 | if (adev->ip_blocks[i].version->type == block_type) { |
1329 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1330 | if (r) |
1331 | return r; | |
1332 | break; | |
1333 | } | |
1334 | } | |
1335 | return 0; | |
1336 | ||
1337 | } | |
1338 | ||
e3ecdffa AD |
1339 | /** |
1340 | * amdgpu_device_ip_is_idle - is the hardware IP idle | |
1341 | * | |
1342 | * @adev: amdgpu_device pointer | |
1343 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1344 | * | |
1345 | * Check if the hardware IP is idle or not. | |
1346 | * Returns true if it the IP is idle, false if not. | |
1347 | */ | |
2990a1fc AD |
1348 | bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, |
1349 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1350 | { |
1351 | int i; | |
1352 | ||
1353 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1354 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1355 | continue; |
a1255107 AD |
1356 | if (adev->ip_blocks[i].version->type == block_type) |
1357 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1358 | } |
1359 | return true; | |
1360 | ||
1361 | } | |
1362 | ||
e3ecdffa AD |
1363 | /** |
1364 | * amdgpu_device_ip_get_ip_block - get a hw IP pointer | |
1365 | * | |
1366 | * @adev: amdgpu_device pointer | |
87e3f136 | 1367 | * @type: Type of hardware IP (SMU, GFX, UVD, etc.) |
e3ecdffa AD |
1368 | * |
1369 | * Returns a pointer to the hardware IP block structure | |
1370 | * if it exists for the asic, otherwise NULL. | |
1371 | */ | |
2990a1fc AD |
1372 | struct amdgpu_ip_block * |
1373 | amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, | |
1374 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1375 | { |
1376 | int i; | |
1377 | ||
1378 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1379 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1380 | return &adev->ip_blocks[i]; |
1381 | ||
1382 | return NULL; | |
1383 | } | |
1384 | ||
1385 | /** | |
2990a1fc | 1386 | * amdgpu_device_ip_block_version_cmp |
d38ceaf9 AD |
1387 | * |
1388 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1389 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1390 | * @major: major version |
1391 | * @minor: minor version | |
1392 | * | |
1393 | * return 0 if equal or greater | |
1394 | * return 1 if smaller or the ip_block doesn't exist | |
1395 | */ | |
2990a1fc AD |
1396 | int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, |
1397 | enum amd_ip_block_type type, | |
1398 | u32 major, u32 minor) | |
d38ceaf9 | 1399 | { |
2990a1fc | 1400 | struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); |
d38ceaf9 | 1401 | |
a1255107 AD |
1402 | if (ip_block && ((ip_block->version->major > major) || |
1403 | ((ip_block->version->major == major) && | |
1404 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1405 | return 0; |
1406 | ||
1407 | return 1; | |
1408 | } | |
1409 | ||
a1255107 | 1410 | /** |
2990a1fc | 1411 | * amdgpu_device_ip_block_add |
a1255107 AD |
1412 | * |
1413 | * @adev: amdgpu_device pointer | |
1414 | * @ip_block_version: pointer to the IP to add | |
1415 | * | |
1416 | * Adds the IP block driver information to the collection of IPs | |
1417 | * on the asic. | |
1418 | */ | |
2990a1fc AD |
1419 | int amdgpu_device_ip_block_add(struct amdgpu_device *adev, |
1420 | const struct amdgpu_ip_block_version *ip_block_version) | |
a1255107 AD |
1421 | { |
1422 | if (!ip_block_version) | |
1423 | return -EINVAL; | |
1424 | ||
e966a725 | 1425 | DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, |
a0bae357 HR |
1426 | ip_block_version->funcs->name); |
1427 | ||
a1255107 AD |
1428 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1429 | ||
1430 | return 0; | |
1431 | } | |
1432 | ||
e3ecdffa AD |
1433 | /** |
1434 | * amdgpu_device_enable_virtual_display - enable virtual display feature | |
1435 | * | |
1436 | * @adev: amdgpu_device pointer | |
1437 | * | |
1438 | * Enabled the virtual display feature if the user has enabled it via | |
1439 | * the module parameter virtual_display. This feature provides a virtual | |
1440 | * display hardware on headless boards or in virtualized environments. | |
1441 | * This function parses and validates the configuration string specified by | |
1442 | * the user and configues the virtual display configuration (number of | |
1443 | * virtual connectors, crtcs, etc.) specified. | |
1444 | */ | |
483ef985 | 1445 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1446 | { |
1447 | adev->enable_virtual_display = false; | |
1448 | ||
1449 | if (amdgpu_virtual_display) { | |
1450 | struct drm_device *ddev = adev->ddev; | |
1451 | const char *pci_address_name = pci_name(ddev->pdev); | |
0f66356d | 1452 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1453 | |
1454 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1455 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1456 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1457 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1458 | if (!strcmp("all", pciaddname) |
1459 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1460 | long num_crtc; |
1461 | int res = -1; | |
1462 | ||
9accf2fd | 1463 | adev->enable_virtual_display = true; |
0f66356d ED |
1464 | |
1465 | if (pciaddname_tmp) | |
1466 | res = kstrtol(pciaddname_tmp, 10, | |
1467 | &num_crtc); | |
1468 | ||
1469 | if (!res) { | |
1470 | if (num_crtc < 1) | |
1471 | num_crtc = 1; | |
1472 | if (num_crtc > 6) | |
1473 | num_crtc = 6; | |
1474 | adev->mode_info.num_crtc = num_crtc; | |
1475 | } else { | |
1476 | adev->mode_info.num_crtc = 1; | |
1477 | } | |
9accf2fd ED |
1478 | break; |
1479 | } | |
1480 | } | |
1481 | ||
0f66356d ED |
1482 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1483 | amdgpu_virtual_display, pci_address_name, | |
1484 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1485 | |
1486 | kfree(pciaddstr); | |
1487 | } | |
1488 | } | |
1489 | ||
e3ecdffa AD |
1490 | /** |
1491 | * amdgpu_device_parse_gpu_info_fw - parse gpu info firmware | |
1492 | * | |
1493 | * @adev: amdgpu_device pointer | |
1494 | * | |
1495 | * Parses the asic configuration parameters specified in the gpu info | |
1496 | * firmware and makes them availale to the driver for use in configuring | |
1497 | * the asic. | |
1498 | * Returns 0 on success, -EINVAL on failure. | |
1499 | */ | |
e2a75f88 AD |
1500 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1501 | { | |
e2a75f88 AD |
1502 | const char *chip_name; |
1503 | char fw_name[30]; | |
1504 | int err; | |
1505 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1506 | ||
ab4fe3e1 HR |
1507 | adev->firmware.gpu_info_fw = NULL; |
1508 | ||
e2a75f88 AD |
1509 | switch (adev->asic_type) { |
1510 | case CHIP_TOPAZ: | |
1511 | case CHIP_TONGA: | |
1512 | case CHIP_FIJI: | |
e2a75f88 | 1513 | case CHIP_POLARIS10: |
cc07f18d | 1514 | case CHIP_POLARIS11: |
e2a75f88 | 1515 | case CHIP_POLARIS12: |
cc07f18d | 1516 | case CHIP_VEGAM: |
e2a75f88 AD |
1517 | case CHIP_CARRIZO: |
1518 | case CHIP_STONEY: | |
1519 | #ifdef CONFIG_DRM_AMDGPU_SI | |
1520 | case CHIP_VERDE: | |
1521 | case CHIP_TAHITI: | |
1522 | case CHIP_PITCAIRN: | |
1523 | case CHIP_OLAND: | |
1524 | case CHIP_HAINAN: | |
1525 | #endif | |
1526 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
1527 | case CHIP_BONAIRE: | |
1528 | case CHIP_HAWAII: | |
1529 | case CHIP_KAVERI: | |
1530 | case CHIP_KABINI: | |
1531 | case CHIP_MULLINS: | |
1532 | #endif | |
27c0bc71 | 1533 | case CHIP_VEGA20: |
e2a75f88 AD |
1534 | default: |
1535 | return 0; | |
1536 | case CHIP_VEGA10: | |
1537 | chip_name = "vega10"; | |
1538 | break; | |
3f76dced AD |
1539 | case CHIP_VEGA12: |
1540 | chip_name = "vega12"; | |
1541 | break; | |
2d2e5e7e | 1542 | case CHIP_RAVEN: |
54c4d17e FX |
1543 | if (adev->rev_id >= 8) |
1544 | chip_name = "raven2"; | |
741deade AD |
1545 | else if (adev->pdev->device == 0x15d8) |
1546 | chip_name = "picasso"; | |
54c4d17e FX |
1547 | else |
1548 | chip_name = "raven"; | |
2d2e5e7e | 1549 | break; |
65e60f6e LM |
1550 | case CHIP_ARCTURUS: |
1551 | chip_name = "arcturus"; | |
1552 | break; | |
b51a26a0 HR |
1553 | case CHIP_RENOIR: |
1554 | chip_name = "renoir"; | |
1555 | break; | |
23c6268e HR |
1556 | case CHIP_NAVI10: |
1557 | chip_name = "navi10"; | |
1558 | break; | |
ed42cfe1 XY |
1559 | case CHIP_NAVI14: |
1560 | chip_name = "navi14"; | |
1561 | break; | |
42b325e5 XY |
1562 | case CHIP_NAVI12: |
1563 | chip_name = "navi12"; | |
1564 | break; | |
e2a75f88 AD |
1565 | } |
1566 | ||
1567 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1568 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1569 | if (err) { |
1570 | dev_err(adev->dev, | |
1571 | "Failed to load gpu_info firmware \"%s\"\n", | |
1572 | fw_name); | |
1573 | goto out; | |
1574 | } | |
ab4fe3e1 | 1575 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1576 | if (err) { |
1577 | dev_err(adev->dev, | |
1578 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1579 | fw_name); | |
1580 | goto out; | |
1581 | } | |
1582 | ||
ab4fe3e1 | 1583 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
1584 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
1585 | ||
1586 | switch (hdr->version_major) { | |
1587 | case 1: | |
1588 | { | |
1589 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 1590 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
1591 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
1592 | ||
ec51d3fa XY |
1593 | if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) |
1594 | goto parse_soc_bounding_box; | |
1595 | ||
b5ab16bf AD |
1596 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
1597 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
1598 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
1599 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 1600 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
1601 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
1602 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
1603 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
1604 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
1605 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 1606 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
1607 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
1608 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
1609 | adev->gfx.cu_info.max_waves_per_simd = |
1610 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
1611 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
1612 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
1613 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
48321c3d | 1614 | if (hdr->version_minor >= 1) { |
35c2e910 HZ |
1615 | const struct gpu_info_firmware_v1_1 *gpu_info_fw = |
1616 | (const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data + | |
1617 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1618 | adev->gfx.config.num_sc_per_sh = | |
1619 | le32_to_cpu(gpu_info_fw->num_sc_per_sh); | |
1620 | adev->gfx.config.num_packer_per_sc = | |
1621 | le32_to_cpu(gpu_info_fw->num_packer_per_sc); | |
1622 | } | |
ec51d3fa XY |
1623 | |
1624 | parse_soc_bounding_box: | |
ec51d3fa XY |
1625 | /* |
1626 | * soc bounding box info is not integrated in disocovery table, | |
1627 | * we always need to parse it from gpu info firmware. | |
1628 | */ | |
48321c3d HW |
1629 | if (hdr->version_minor == 2) { |
1630 | const struct gpu_info_firmware_v1_2 *gpu_info_fw = | |
1631 | (const struct gpu_info_firmware_v1_2 *)(adev->firmware.gpu_info_fw->data + | |
1632 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1633 | adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box; | |
1634 | } | |
e2a75f88 AD |
1635 | break; |
1636 | } | |
1637 | default: | |
1638 | dev_err(adev->dev, | |
1639 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
1640 | err = -EINVAL; | |
1641 | goto out; | |
1642 | } | |
1643 | out: | |
e2a75f88 AD |
1644 | return err; |
1645 | } | |
1646 | ||
e3ecdffa AD |
1647 | /** |
1648 | * amdgpu_device_ip_early_init - run early init for hardware IPs | |
1649 | * | |
1650 | * @adev: amdgpu_device pointer | |
1651 | * | |
1652 | * Early initialization pass for hardware IPs. The hardware IPs that make | |
1653 | * up each asic are discovered each IP's early_init callback is run. This | |
1654 | * is the first stage in initializing the asic. | |
1655 | * Returns 0 on success, negative error code on failure. | |
1656 | */ | |
06ec9070 | 1657 | static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) |
d38ceaf9 | 1658 | { |
aaa36a97 | 1659 | int i, r; |
d38ceaf9 | 1660 | |
483ef985 | 1661 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 1662 | |
d38ceaf9 | 1663 | switch (adev->asic_type) { |
aaa36a97 AD |
1664 | case CHIP_TOPAZ: |
1665 | case CHIP_TONGA: | |
48299f95 | 1666 | case CHIP_FIJI: |
2cc0c0b5 | 1667 | case CHIP_POLARIS10: |
32cc7e53 | 1668 | case CHIP_POLARIS11: |
c4642a47 | 1669 | case CHIP_POLARIS12: |
32cc7e53 | 1670 | case CHIP_VEGAM: |
aaa36a97 | 1671 | case CHIP_CARRIZO: |
39bb0c92 SL |
1672 | case CHIP_STONEY: |
1673 | if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) | |
aaa36a97 AD |
1674 | adev->family = AMDGPU_FAMILY_CZ; |
1675 | else | |
1676 | adev->family = AMDGPU_FAMILY_VI; | |
1677 | ||
1678 | r = vi_set_ip_blocks(adev); | |
1679 | if (r) | |
1680 | return r; | |
1681 | break; | |
33f34802 KW |
1682 | #ifdef CONFIG_DRM_AMDGPU_SI |
1683 | case CHIP_VERDE: | |
1684 | case CHIP_TAHITI: | |
1685 | case CHIP_PITCAIRN: | |
1686 | case CHIP_OLAND: | |
1687 | case CHIP_HAINAN: | |
295d0daf | 1688 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
1689 | r = si_set_ip_blocks(adev); |
1690 | if (r) | |
1691 | return r; | |
1692 | break; | |
1693 | #endif | |
a2e73f56 AD |
1694 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1695 | case CHIP_BONAIRE: | |
1696 | case CHIP_HAWAII: | |
1697 | case CHIP_KAVERI: | |
1698 | case CHIP_KABINI: | |
1699 | case CHIP_MULLINS: | |
1700 | if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII)) | |
1701 | adev->family = AMDGPU_FAMILY_CI; | |
1702 | else | |
1703 | adev->family = AMDGPU_FAMILY_KV; | |
1704 | ||
1705 | r = cik_set_ip_blocks(adev); | |
1706 | if (r) | |
1707 | return r; | |
1708 | break; | |
1709 | #endif | |
e48a3cd9 AD |
1710 | case CHIP_VEGA10: |
1711 | case CHIP_VEGA12: | |
e4bd8170 | 1712 | case CHIP_VEGA20: |
e48a3cd9 | 1713 | case CHIP_RAVEN: |
61cf44c1 | 1714 | case CHIP_ARCTURUS: |
b51a26a0 HR |
1715 | case CHIP_RENOIR: |
1716 | if (adev->asic_type == CHIP_RAVEN || | |
1717 | adev->asic_type == CHIP_RENOIR) | |
2ca8a5d2 CZ |
1718 | adev->family = AMDGPU_FAMILY_RV; |
1719 | else | |
1720 | adev->family = AMDGPU_FAMILY_AI; | |
460826e6 KW |
1721 | |
1722 | r = soc15_set_ip_blocks(adev); | |
1723 | if (r) | |
1724 | return r; | |
1725 | break; | |
0a5b8c7b | 1726 | case CHIP_NAVI10: |
7ecb5cd4 | 1727 | case CHIP_NAVI14: |
4808cf9c | 1728 | case CHIP_NAVI12: |
0a5b8c7b HR |
1729 | adev->family = AMDGPU_FAMILY_NV; |
1730 | ||
1731 | r = nv_set_ip_blocks(adev); | |
1732 | if (r) | |
1733 | return r; | |
1734 | break; | |
d38ceaf9 AD |
1735 | default: |
1736 | /* FIXME: not supported yet */ | |
1737 | return -EINVAL; | |
1738 | } | |
1739 | ||
e2a75f88 AD |
1740 | r = amdgpu_device_parse_gpu_info_fw(adev); |
1741 | if (r) | |
1742 | return r; | |
1743 | ||
ec51d3fa XY |
1744 | if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) |
1745 | amdgpu_discovery_get_gfx_info(adev); | |
1746 | ||
1884734a | 1747 | amdgpu_amdkfd_device_probe(adev); |
1748 | ||
3149d9da | 1749 | if (amdgpu_sriov_vf(adev)) { |
122078de ML |
1750 | /* handle vbios stuff prior full access mode for new handshake */ |
1751 | if (adev->virt.req_init_data_ver == 1) { | |
1752 | if (!amdgpu_get_bios(adev)) { | |
1753 | DRM_ERROR("failed to get vbios\n"); | |
1754 | return -EINVAL; | |
1755 | } | |
1756 | ||
1757 | r = amdgpu_atombios_init(adev); | |
1758 | if (r) { | |
1759 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
1760 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
1761 | return r; | |
1762 | } | |
1763 | } | |
2f294132 | 1764 | } |
122078de | 1765 | |
2f294132 ML |
1766 | /* we need to send REQ_GPU here for legacy handshaker otherwise the vbios |
1767 | * will not be prepared by host for this VF */ | |
1768 | if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver < 1) { | |
3149d9da XY |
1769 | r = amdgpu_virt_request_full_gpu(adev, true); |
1770 | if (r) | |
2f294132 | 1771 | return r; |
3149d9da XY |
1772 | } |
1773 | ||
3b94fb10 | 1774 | adev->pm.pp_feature = amdgpu_pp_feature_mask; |
a35ad98b | 1775 | if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) |
00544006 | 1776 | adev->pm.pp_feature &= ~PP_GFXOFF_MASK; |
00f54b97 | 1777 | |
d38ceaf9 AD |
1778 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1779 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
1780 | DRM_ERROR("disabled ip block: %d <%s>\n", |
1781 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 1782 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 1783 | } else { |
a1255107 AD |
1784 | if (adev->ip_blocks[i].version->funcs->early_init) { |
1785 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 1786 | if (r == -ENOENT) { |
a1255107 | 1787 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 1788 | } else if (r) { |
a1255107 AD |
1789 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
1790 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1791 | return r; |
2c1a2784 | 1792 | } else { |
a1255107 | 1793 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 1794 | } |
974e6b64 | 1795 | } else { |
a1255107 | 1796 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 1797 | } |
d38ceaf9 | 1798 | } |
21a249ca AD |
1799 | /* get the vbios after the asic_funcs are set up */ |
1800 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { | |
122078de ML |
1801 | /* skip vbios handling for new handshake */ |
1802 | if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver == 1) | |
1803 | continue; | |
1804 | ||
21a249ca AD |
1805 | /* Read BIOS */ |
1806 | if (!amdgpu_get_bios(adev)) | |
1807 | return -EINVAL; | |
1808 | ||
1809 | r = amdgpu_atombios_init(adev); | |
1810 | if (r) { | |
1811 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
1812 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
1813 | return r; | |
1814 | } | |
1815 | } | |
d38ceaf9 AD |
1816 | } |
1817 | ||
395d1fb9 NH |
1818 | adev->cg_flags &= amdgpu_cg_mask; |
1819 | adev->pg_flags &= amdgpu_pg_mask; | |
1820 | ||
d38ceaf9 AD |
1821 | return 0; |
1822 | } | |
1823 | ||
0a4f2520 RZ |
1824 | static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) |
1825 | { | |
1826 | int i, r; | |
1827 | ||
1828 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1829 | if (!adev->ip_blocks[i].status.sw) | |
1830 | continue; | |
1831 | if (adev->ip_blocks[i].status.hw) | |
1832 | continue; | |
1833 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2d11fd3f | 1834 | (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || |
0a4f2520 RZ |
1835 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { |
1836 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1837 | if (r) { | |
1838 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1839 | adev->ip_blocks[i].version->funcs->name, r); | |
1840 | return r; | |
1841 | } | |
1842 | adev->ip_blocks[i].status.hw = true; | |
1843 | } | |
1844 | } | |
1845 | ||
1846 | return 0; | |
1847 | } | |
1848 | ||
1849 | static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) | |
1850 | { | |
1851 | int i, r; | |
1852 | ||
1853 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1854 | if (!adev->ip_blocks[i].status.sw) | |
1855 | continue; | |
1856 | if (adev->ip_blocks[i].status.hw) | |
1857 | continue; | |
1858 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1859 | if (r) { | |
1860 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1861 | adev->ip_blocks[i].version->funcs->name, r); | |
1862 | return r; | |
1863 | } | |
1864 | adev->ip_blocks[i].status.hw = true; | |
1865 | } | |
1866 | ||
1867 | return 0; | |
1868 | } | |
1869 | ||
7a3e0bb2 RZ |
1870 | static int amdgpu_device_fw_loading(struct amdgpu_device *adev) |
1871 | { | |
1872 | int r = 0; | |
1873 | int i; | |
80f41f84 | 1874 | uint32_t smu_version; |
7a3e0bb2 RZ |
1875 | |
1876 | if (adev->asic_type >= CHIP_VEGA10) { | |
1877 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 ML |
1878 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) |
1879 | continue; | |
1880 | ||
1881 | /* no need to do the fw loading again if already done*/ | |
1882 | if (adev->ip_blocks[i].status.hw == true) | |
1883 | break; | |
1884 | ||
1885 | if (adev->in_gpu_reset || adev->in_suspend) { | |
1886 | r = adev->ip_blocks[i].version->funcs->resume(adev); | |
1887 | if (r) { | |
1888 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
7a3e0bb2 | 1889 | adev->ip_blocks[i].version->funcs->name, r); |
482f0e53 ML |
1890 | return r; |
1891 | } | |
1892 | } else { | |
1893 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1894 | if (r) { | |
1895 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1896 | adev->ip_blocks[i].version->funcs->name, r); | |
1897 | return r; | |
7a3e0bb2 | 1898 | } |
7a3e0bb2 | 1899 | } |
482f0e53 ML |
1900 | |
1901 | adev->ip_blocks[i].status.hw = true; | |
1902 | break; | |
7a3e0bb2 RZ |
1903 | } |
1904 | } | |
482f0e53 | 1905 | |
8973d9ec ED |
1906 | if (!amdgpu_sriov_vf(adev) || adev->asic_type == CHIP_TONGA) |
1907 | r = amdgpu_pm_load_smu_firmware(adev, &smu_version); | |
7a3e0bb2 | 1908 | |
80f41f84 | 1909 | return r; |
7a3e0bb2 RZ |
1910 | } |
1911 | ||
e3ecdffa AD |
1912 | /** |
1913 | * amdgpu_device_ip_init - run init for hardware IPs | |
1914 | * | |
1915 | * @adev: amdgpu_device pointer | |
1916 | * | |
1917 | * Main initialization pass for hardware IPs. The list of all the hardware | |
1918 | * IPs that make up the asic is walked and the sw_init and hw_init callbacks | |
1919 | * are run. sw_init initializes the software state associated with each IP | |
1920 | * and hw_init initializes the hardware associated with each IP. | |
1921 | * Returns 0 on success, negative error code on failure. | |
1922 | */ | |
06ec9070 | 1923 | static int amdgpu_device_ip_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
1924 | { |
1925 | int i, r; | |
1926 | ||
c030f2e4 | 1927 | r = amdgpu_ras_init(adev); |
1928 | if (r) | |
1929 | return r; | |
1930 | ||
2f294132 ML |
1931 | if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver > 0) { |
1932 | r = amdgpu_virt_request_full_gpu(adev, true); | |
1933 | if (r) | |
1934 | return -EAGAIN; | |
1935 | } | |
1936 | ||
d38ceaf9 | 1937 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 1938 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1939 | continue; |
a1255107 | 1940 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 1941 | if (r) { |
a1255107 AD |
1942 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
1943 | adev->ip_blocks[i].version->funcs->name, r); | |
72d3f592 | 1944 | goto init_failed; |
2c1a2784 | 1945 | } |
a1255107 | 1946 | adev->ip_blocks[i].status.sw = true; |
bfca0289 | 1947 | |
d38ceaf9 | 1948 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 1949 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
06ec9070 | 1950 | r = amdgpu_device_vram_scratch_init(adev); |
2c1a2784 AD |
1951 | if (r) { |
1952 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
72d3f592 | 1953 | goto init_failed; |
2c1a2784 | 1954 | } |
a1255107 | 1955 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
1956 | if (r) { |
1957 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
72d3f592 | 1958 | goto init_failed; |
2c1a2784 | 1959 | } |
06ec9070 | 1960 | r = amdgpu_device_wb_init(adev); |
2c1a2784 | 1961 | if (r) { |
06ec9070 | 1962 | DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); |
72d3f592 | 1963 | goto init_failed; |
2c1a2784 | 1964 | } |
a1255107 | 1965 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
1966 | |
1967 | /* right after GMC hw init, we create CSA */ | |
f92d5c61 | 1968 | if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) { |
1e256e27 RZ |
1969 | r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, |
1970 | AMDGPU_GEM_DOMAIN_VRAM, | |
1971 | AMDGPU_CSA_SIZE); | |
2493664f ML |
1972 | if (r) { |
1973 | DRM_ERROR("allocate CSA failed %d\n", r); | |
72d3f592 | 1974 | goto init_failed; |
2493664f ML |
1975 | } |
1976 | } | |
d38ceaf9 AD |
1977 | } |
1978 | } | |
1979 | ||
c9ffa427 YT |
1980 | if (amdgpu_sriov_vf(adev)) |
1981 | amdgpu_virt_init_data_exchange(adev); | |
1982 | ||
533aed27 AG |
1983 | r = amdgpu_ib_pool_init(adev); |
1984 | if (r) { | |
1985 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
1986 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); | |
1987 | goto init_failed; | |
1988 | } | |
1989 | ||
c8963ea4 RZ |
1990 | r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/ |
1991 | if (r) | |
72d3f592 | 1992 | goto init_failed; |
0a4f2520 RZ |
1993 | |
1994 | r = amdgpu_device_ip_hw_init_phase1(adev); | |
1995 | if (r) | |
72d3f592 | 1996 | goto init_failed; |
0a4f2520 | 1997 | |
7a3e0bb2 RZ |
1998 | r = amdgpu_device_fw_loading(adev); |
1999 | if (r) | |
72d3f592 | 2000 | goto init_failed; |
7a3e0bb2 | 2001 | |
0a4f2520 RZ |
2002 | r = amdgpu_device_ip_hw_init_phase2(adev); |
2003 | if (r) | |
72d3f592 | 2004 | goto init_failed; |
d38ceaf9 | 2005 | |
121a2bc6 AG |
2006 | /* |
2007 | * retired pages will be loaded from eeprom and reserved here, | |
2008 | * it should be called after amdgpu_device_ip_hw_init_phase2 since | |
2009 | * for some ASICs the RAS EEPROM code relies on SMU fully functioning | |
2010 | * for I2C communication which only true at this point. | |
2011 | * recovery_init may fail, but it can free all resources allocated by | |
2012 | * itself and its failure should not stop amdgpu init process. | |
2013 | * | |
2014 | * Note: theoretically, this should be called before all vram allocations | |
2015 | * to protect retired page from abusing | |
2016 | */ | |
2017 | amdgpu_ras_recovery_init(adev); | |
2018 | ||
3e2e2ab5 HZ |
2019 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2020 | amdgpu_xgmi_add_device(adev); | |
1884734a | 2021 | amdgpu_amdkfd_device_init(adev); |
c6332b97 | 2022 | |
bd607166 KR |
2023 | amdgpu_fru_get_product_info(adev); |
2024 | ||
72d3f592 | 2025 | init_failed: |
c9ffa427 | 2026 | if (amdgpu_sriov_vf(adev)) |
c6332b97 | 2027 | amdgpu_virt_release_full_gpu(adev, true); |
2028 | ||
72d3f592 | 2029 | return r; |
d38ceaf9 AD |
2030 | } |
2031 | ||
e3ecdffa AD |
2032 | /** |
2033 | * amdgpu_device_fill_reset_magic - writes reset magic to gart pointer | |
2034 | * | |
2035 | * @adev: amdgpu_device pointer | |
2036 | * | |
2037 | * Writes a reset magic value to the gart pointer in VRAM. The driver calls | |
2038 | * this function before a GPU reset. If the value is retained after a | |
2039 | * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. | |
2040 | */ | |
06ec9070 | 2041 | static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) |
0c49e0b8 CZ |
2042 | { |
2043 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
2044 | } | |
2045 | ||
e3ecdffa AD |
2046 | /** |
2047 | * amdgpu_device_check_vram_lost - check if vram is valid | |
2048 | * | |
2049 | * @adev: amdgpu_device pointer | |
2050 | * | |
2051 | * Checks the reset magic value written to the gart pointer in VRAM. | |
2052 | * The driver calls this after a GPU reset to see if the contents of | |
2053 | * VRAM is lost or now. | |
2054 | * returns true if vram is lost, false if not. | |
2055 | */ | |
06ec9070 | 2056 | static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) |
0c49e0b8 | 2057 | { |
dadce777 EQ |
2058 | if (memcmp(adev->gart.ptr, adev->reset_magic, |
2059 | AMDGPU_RESET_MAGIC_NUM)) | |
2060 | return true; | |
2061 | ||
2062 | if (!adev->in_gpu_reset) | |
2063 | return false; | |
2064 | ||
2065 | /* | |
2066 | * For all ASICs with baco/mode1 reset, the VRAM is | |
2067 | * always assumed to be lost. | |
2068 | */ | |
2069 | switch (amdgpu_asic_reset_method(adev)) { | |
2070 | case AMD_RESET_METHOD_BACO: | |
2071 | case AMD_RESET_METHOD_MODE1: | |
2072 | return true; | |
2073 | default: | |
2074 | return false; | |
2075 | } | |
0c49e0b8 CZ |
2076 | } |
2077 | ||
e3ecdffa | 2078 | /** |
1112a46b | 2079 | * amdgpu_device_set_cg_state - set clockgating for amdgpu device |
e3ecdffa AD |
2080 | * |
2081 | * @adev: amdgpu_device pointer | |
b8b72130 | 2082 | * @state: clockgating state (gate or ungate) |
e3ecdffa | 2083 | * |
e3ecdffa | 2084 | * The list of all the hardware IPs that make up the asic is walked and the |
1112a46b RZ |
2085 | * set_clockgating_state callbacks are run. |
2086 | * Late initialization pass enabling clockgating for hardware IPs. | |
2087 | * Fini or suspend, pass disabling clockgating for hardware IPs. | |
e3ecdffa AD |
2088 | * Returns 0 on success, negative error code on failure. |
2089 | */ | |
fdd34271 | 2090 | |
1112a46b RZ |
2091 | static int amdgpu_device_set_cg_state(struct amdgpu_device *adev, |
2092 | enum amd_clockgating_state state) | |
d38ceaf9 | 2093 | { |
1112a46b | 2094 | int i, j, r; |
d38ceaf9 | 2095 | |
4a2ba394 SL |
2096 | if (amdgpu_emu_mode == 1) |
2097 | return 0; | |
2098 | ||
1112a46b RZ |
2099 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2100 | i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2101 | if (!adev->ip_blocks[i].status.late_initialized) |
d38ceaf9 | 2102 | continue; |
4a446d55 | 2103 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 | 2104 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
57716327 | 2105 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && |
34319b32 | 2106 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && |
52f2e779 | 2107 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
57716327 | 2108 | adev->ip_blocks[i].version->funcs->set_clockgating_state) { |
4a446d55 | 2109 | /* enable clockgating to save power */ |
a1255107 | 2110 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1112a46b | 2111 | state); |
4a446d55 AD |
2112 | if (r) { |
2113 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 2114 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
2115 | return r; |
2116 | } | |
b0b00ff1 | 2117 | } |
d38ceaf9 | 2118 | } |
06b18f61 | 2119 | |
c9f96fd5 RZ |
2120 | return 0; |
2121 | } | |
2122 | ||
1112a46b | 2123 | static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_powergating_state state) |
c9f96fd5 | 2124 | { |
1112a46b | 2125 | int i, j, r; |
06b18f61 | 2126 | |
c9f96fd5 RZ |
2127 | if (amdgpu_emu_mode == 1) |
2128 | return 0; | |
2129 | ||
1112a46b RZ |
2130 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2131 | i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2132 | if (!adev->ip_blocks[i].status.late_initialized) |
c9f96fd5 RZ |
2133 | continue; |
2134 | /* skip CG for VCE/UVD, it's handled specially */ | |
2135 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
2136 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && | |
2137 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && | |
52f2e779 | 2138 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
c9f96fd5 RZ |
2139 | adev->ip_blocks[i].version->funcs->set_powergating_state) { |
2140 | /* enable powergating to save power */ | |
2141 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1112a46b | 2142 | state); |
c9f96fd5 RZ |
2143 | if (r) { |
2144 | DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", | |
2145 | adev->ip_blocks[i].version->funcs->name, r); | |
2146 | return r; | |
2147 | } | |
2148 | } | |
2149 | } | |
2dc80b00 S |
2150 | return 0; |
2151 | } | |
2152 | ||
beff74bc AD |
2153 | static int amdgpu_device_enable_mgpu_fan_boost(void) |
2154 | { | |
2155 | struct amdgpu_gpu_instance *gpu_ins; | |
2156 | struct amdgpu_device *adev; | |
2157 | int i, ret = 0; | |
2158 | ||
2159 | mutex_lock(&mgpu_info.mutex); | |
2160 | ||
2161 | /* | |
2162 | * MGPU fan boost feature should be enabled | |
2163 | * only when there are two or more dGPUs in | |
2164 | * the system | |
2165 | */ | |
2166 | if (mgpu_info.num_dgpu < 2) | |
2167 | goto out; | |
2168 | ||
2169 | for (i = 0; i < mgpu_info.num_dgpu; i++) { | |
2170 | gpu_ins = &(mgpu_info.gpu_ins[i]); | |
2171 | adev = gpu_ins->adev; | |
2172 | if (!(adev->flags & AMD_IS_APU) && | |
2173 | !gpu_ins->mgpu_fan_enabled && | |
2174 | adev->powerplay.pp_funcs && | |
2175 | adev->powerplay.pp_funcs->enable_mgpu_fan_boost) { | |
2176 | ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); | |
2177 | if (ret) | |
2178 | break; | |
2179 | ||
2180 | gpu_ins->mgpu_fan_enabled = 1; | |
2181 | } | |
2182 | } | |
2183 | ||
2184 | out: | |
2185 | mutex_unlock(&mgpu_info.mutex); | |
2186 | ||
2187 | return ret; | |
2188 | } | |
2189 | ||
e3ecdffa AD |
2190 | /** |
2191 | * amdgpu_device_ip_late_init - run late init for hardware IPs | |
2192 | * | |
2193 | * @adev: amdgpu_device pointer | |
2194 | * | |
2195 | * Late initialization pass for hardware IPs. The list of all the hardware | |
2196 | * IPs that make up the asic is walked and the late_init callbacks are run. | |
2197 | * late_init covers any special initialization that an IP requires | |
2198 | * after all of the have been initialized or something that needs to happen | |
2199 | * late in the init process. | |
2200 | * Returns 0 on success, negative error code on failure. | |
2201 | */ | |
06ec9070 | 2202 | static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) |
2dc80b00 | 2203 | { |
60599a03 | 2204 | struct amdgpu_gpu_instance *gpu_instance; |
2dc80b00 S |
2205 | int i = 0, r; |
2206 | ||
2207 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
73f847db | 2208 | if (!adev->ip_blocks[i].status.hw) |
2dc80b00 S |
2209 | continue; |
2210 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
2211 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
2212 | if (r) { | |
2213 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
2214 | adev->ip_blocks[i].version->funcs->name, r); | |
2215 | return r; | |
2216 | } | |
2dc80b00 | 2217 | } |
73f847db | 2218 | adev->ip_blocks[i].status.late_initialized = true; |
2dc80b00 S |
2219 | } |
2220 | ||
a891d239 DL |
2221 | amdgpu_ras_set_error_query_ready(adev, true); |
2222 | ||
1112a46b RZ |
2223 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); |
2224 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); | |
916ac57f | 2225 | |
06ec9070 | 2226 | amdgpu_device_fill_reset_magic(adev); |
d38ceaf9 | 2227 | |
beff74bc AD |
2228 | r = amdgpu_device_enable_mgpu_fan_boost(); |
2229 | if (r) | |
2230 | DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); | |
2231 | ||
60599a03 EQ |
2232 | |
2233 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
2234 | mutex_lock(&mgpu_info.mutex); | |
2235 | ||
2236 | /* | |
2237 | * Reset device p-state to low as this was booted with high. | |
2238 | * | |
2239 | * This should be performed only after all devices from the same | |
2240 | * hive get initialized. | |
2241 | * | |
2242 | * However, it's unknown how many device in the hive in advance. | |
2243 | * As this is counted one by one during devices initializations. | |
2244 | * | |
2245 | * So, we wait for all XGMI interlinked devices initialized. | |
2246 | * This may bring some delays as those devices may come from | |
2247 | * different hives. But that should be OK. | |
2248 | */ | |
2249 | if (mgpu_info.num_dgpu == adev->gmc.xgmi.num_physical_nodes) { | |
2250 | for (i = 0; i < mgpu_info.num_gpu; i++) { | |
2251 | gpu_instance = &(mgpu_info.gpu_ins[i]); | |
2252 | if (gpu_instance->adev->flags & AMD_IS_APU) | |
2253 | continue; | |
2254 | ||
d84a430d JK |
2255 | r = amdgpu_xgmi_set_pstate(gpu_instance->adev, |
2256 | AMDGPU_XGMI_PSTATE_MIN); | |
60599a03 EQ |
2257 | if (r) { |
2258 | DRM_ERROR("pstate setting failed (%d).\n", r); | |
2259 | break; | |
2260 | } | |
2261 | } | |
2262 | } | |
2263 | ||
2264 | mutex_unlock(&mgpu_info.mutex); | |
2265 | } | |
2266 | ||
d38ceaf9 AD |
2267 | return 0; |
2268 | } | |
2269 | ||
e3ecdffa AD |
2270 | /** |
2271 | * amdgpu_device_ip_fini - run fini for hardware IPs | |
2272 | * | |
2273 | * @adev: amdgpu_device pointer | |
2274 | * | |
2275 | * Main teardown pass for hardware IPs. The list of all the hardware | |
2276 | * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks | |
2277 | * are run. hw_fini tears down the hardware associated with each IP | |
2278 | * and sw_fini tears down any software state associated with each IP. | |
2279 | * Returns 0 on success, negative error code on failure. | |
2280 | */ | |
06ec9070 | 2281 | static int amdgpu_device_ip_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
2282 | { |
2283 | int i, r; | |
2284 | ||
c030f2e4 | 2285 | amdgpu_ras_pre_fini(adev); |
2286 | ||
a82400b5 AG |
2287 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2288 | amdgpu_xgmi_remove_device(adev); | |
2289 | ||
1884734a | 2290 | amdgpu_amdkfd_device_fini(adev); |
05df1f01 RZ |
2291 | |
2292 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); | |
fdd34271 RZ |
2293 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
2294 | ||
3e96dbfd AD |
2295 | /* need to disable SMC first */ |
2296 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2297 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 2298 | continue; |
fdd34271 | 2299 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 | 2300 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
2301 | /* XXX handle errors */ |
2302 | if (r) { | |
2303 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 2304 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 2305 | } |
a1255107 | 2306 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
2307 | break; |
2308 | } | |
2309 | } | |
2310 | ||
d38ceaf9 | 2311 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2312 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2313 | continue; |
8201a67a | 2314 | |
a1255107 | 2315 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 2316 | /* XXX handle errors */ |
2c1a2784 | 2317 | if (r) { |
a1255107 AD |
2318 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
2319 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2320 | } |
8201a67a | 2321 | |
a1255107 | 2322 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2323 | } |
2324 | ||
9950cda2 | 2325 | |
d38ceaf9 | 2326 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2327 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 2328 | continue; |
c12aba3a ML |
2329 | |
2330 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
c8963ea4 | 2331 | amdgpu_ucode_free_bo(adev); |
1e256e27 | 2332 | amdgpu_free_static_csa(&adev->virt.csa_obj); |
c12aba3a ML |
2333 | amdgpu_device_wb_fini(adev); |
2334 | amdgpu_device_vram_scratch_fini(adev); | |
533aed27 | 2335 | amdgpu_ib_pool_fini(adev); |
c12aba3a ML |
2336 | } |
2337 | ||
a1255107 | 2338 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 2339 | /* XXX handle errors */ |
2c1a2784 | 2340 | if (r) { |
a1255107 AD |
2341 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
2342 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2343 | } |
a1255107 AD |
2344 | adev->ip_blocks[i].status.sw = false; |
2345 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
2346 | } |
2347 | ||
a6dcfd9c | 2348 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2349 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 2350 | continue; |
a1255107 AD |
2351 | if (adev->ip_blocks[i].version->funcs->late_fini) |
2352 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
2353 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
2354 | } |
2355 | ||
c030f2e4 | 2356 | amdgpu_ras_fini(adev); |
2357 | ||
030308fc | 2358 | if (amdgpu_sriov_vf(adev)) |
24136135 ML |
2359 | if (amdgpu_virt_release_full_gpu(adev, false)) |
2360 | DRM_ERROR("failed to release exclusive mode on fini\n"); | |
2493664f | 2361 | |
d38ceaf9 AD |
2362 | return 0; |
2363 | } | |
2364 | ||
e3ecdffa | 2365 | /** |
beff74bc | 2366 | * amdgpu_device_delayed_init_work_handler - work handler for IB tests |
e3ecdffa | 2367 | * |
1112a46b | 2368 | * @work: work_struct. |
e3ecdffa | 2369 | */ |
beff74bc | 2370 | static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) |
2dc80b00 S |
2371 | { |
2372 | struct amdgpu_device *adev = | |
beff74bc | 2373 | container_of(work, struct amdgpu_device, delayed_init_work.work); |
916ac57f RZ |
2374 | int r; |
2375 | ||
2376 | r = amdgpu_ib_ring_tests(adev); | |
2377 | if (r) | |
2378 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2dc80b00 S |
2379 | } |
2380 | ||
1e317b99 RZ |
2381 | static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |
2382 | { | |
2383 | struct amdgpu_device *adev = | |
2384 | container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); | |
2385 | ||
2386 | mutex_lock(&adev->gfx.gfx_off_mutex); | |
2387 | if (!adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) { | |
2388 | if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) | |
2389 | adev->gfx.gfx_off_state = true; | |
2390 | } | |
2391 | mutex_unlock(&adev->gfx.gfx_off_mutex); | |
2392 | } | |
2393 | ||
e3ecdffa | 2394 | /** |
e7854a03 | 2395 | * amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1) |
e3ecdffa AD |
2396 | * |
2397 | * @adev: amdgpu_device pointer | |
2398 | * | |
2399 | * Main suspend function for hardware IPs. The list of all the hardware | |
2400 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2401 | * suspend callbacks are run. suspend puts the hardware and software state | |
2402 | * in each IP into a state suitable for suspend. | |
2403 | * Returns 0 on success, negative error code on failure. | |
2404 | */ | |
e7854a03 AD |
2405 | static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) |
2406 | { | |
2407 | int i, r; | |
2408 | ||
ced1ba97 PL |
2409 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
2410 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); | |
05df1f01 | 2411 | |
e7854a03 AD |
2412 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
2413 | if (!adev->ip_blocks[i].status.valid) | |
2414 | continue; | |
2415 | /* displays are handled separately */ | |
2416 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) { | |
e7854a03 AD |
2417 | /* XXX handle errors */ |
2418 | r = adev->ip_blocks[i].version->funcs->suspend(adev); | |
2419 | /* XXX handle errors */ | |
2420 | if (r) { | |
2421 | DRM_ERROR("suspend of IP block <%s> failed %d\n", | |
2422 | adev->ip_blocks[i].version->funcs->name, r); | |
482f0e53 | 2423 | return r; |
e7854a03 | 2424 | } |
482f0e53 | 2425 | adev->ip_blocks[i].status.hw = false; |
e7854a03 AD |
2426 | } |
2427 | } | |
2428 | ||
e7854a03 AD |
2429 | return 0; |
2430 | } | |
2431 | ||
2432 | /** | |
2433 | * amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2) | |
2434 | * | |
2435 | * @adev: amdgpu_device pointer | |
2436 | * | |
2437 | * Main suspend function for hardware IPs. The list of all the hardware | |
2438 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2439 | * suspend callbacks are run. suspend puts the hardware and software state | |
2440 | * in each IP into a state suitable for suspend. | |
2441 | * Returns 0 on success, negative error code on failure. | |
2442 | */ | |
2443 | static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) | |
d38ceaf9 AD |
2444 | { |
2445 | int i, r; | |
2446 | ||
2447 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
a1255107 | 2448 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2449 | continue; |
e7854a03 AD |
2450 | /* displays are handled in phase1 */ |
2451 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) | |
2452 | continue; | |
bff77e86 LM |
2453 | /* PSP lost connection when err_event_athub occurs */ |
2454 | if (amdgpu_ras_intr_triggered() && | |
2455 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
2456 | adev->ip_blocks[i].status.hw = false; | |
2457 | continue; | |
2458 | } | |
d38ceaf9 | 2459 | /* XXX handle errors */ |
a1255107 | 2460 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 2461 | /* XXX handle errors */ |
2c1a2784 | 2462 | if (r) { |
a1255107 AD |
2463 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
2464 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2465 | } |
876923fb | 2466 | adev->ip_blocks[i].status.hw = false; |
a3a09142 | 2467 | /* handle putting the SMC in the appropriate state */ |
86b93fd6 JZ |
2468 | if(!amdgpu_sriov_vf(adev)){ |
2469 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { | |
2470 | r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); | |
2471 | if (r) { | |
2472 | DRM_ERROR("SMC failed to set mp1 state %d, %d\n", | |
2473 | adev->mp1_state, r); | |
2474 | return r; | |
2475 | } | |
a3a09142 AD |
2476 | } |
2477 | } | |
b5507c7e | 2478 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2479 | } |
2480 | ||
2481 | return 0; | |
2482 | } | |
2483 | ||
e7854a03 AD |
2484 | /** |
2485 | * amdgpu_device_ip_suspend - run suspend for hardware IPs | |
2486 | * | |
2487 | * @adev: amdgpu_device pointer | |
2488 | * | |
2489 | * Main suspend function for hardware IPs. The list of all the hardware | |
2490 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2491 | * suspend callbacks are run. suspend puts the hardware and software state | |
2492 | * in each IP into a state suitable for suspend. | |
2493 | * Returns 0 on success, negative error code on failure. | |
2494 | */ | |
2495 | int amdgpu_device_ip_suspend(struct amdgpu_device *adev) | |
2496 | { | |
2497 | int r; | |
2498 | ||
e7819644 YT |
2499 | if (amdgpu_sriov_vf(adev)) |
2500 | amdgpu_virt_request_full_gpu(adev, false); | |
2501 | ||
e7854a03 AD |
2502 | r = amdgpu_device_ip_suspend_phase1(adev); |
2503 | if (r) | |
2504 | return r; | |
2505 | r = amdgpu_device_ip_suspend_phase2(adev); | |
2506 | ||
e7819644 YT |
2507 | if (amdgpu_sriov_vf(adev)) |
2508 | amdgpu_virt_release_full_gpu(adev, false); | |
2509 | ||
e7854a03 AD |
2510 | return r; |
2511 | } | |
2512 | ||
06ec9070 | 2513 | static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2514 | { |
2515 | int i, r; | |
2516 | ||
2cb681b6 ML |
2517 | static enum amd_ip_block_type ip_order[] = { |
2518 | AMD_IP_BLOCK_TYPE_GMC, | |
2519 | AMD_IP_BLOCK_TYPE_COMMON, | |
39186aef | 2520 | AMD_IP_BLOCK_TYPE_PSP, |
2cb681b6 ML |
2521 | AMD_IP_BLOCK_TYPE_IH, |
2522 | }; | |
a90ad3c2 | 2523 | |
2cb681b6 ML |
2524 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2525 | int j; | |
2526 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2527 | |
2cb681b6 ML |
2528 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2529 | block = &adev->ip_blocks[j]; | |
2530 | ||
482f0e53 | 2531 | block->status.hw = false; |
2cb681b6 ML |
2532 | if (block->version->type != ip_order[i] || |
2533 | !block->status.valid) | |
2534 | continue; | |
2535 | ||
2536 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 2537 | DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2538 | if (r) |
2539 | return r; | |
482f0e53 | 2540 | block->status.hw = true; |
a90ad3c2 ML |
2541 | } |
2542 | } | |
2543 | ||
2544 | return 0; | |
2545 | } | |
2546 | ||
06ec9070 | 2547 | static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2548 | { |
2549 | int i, r; | |
2550 | ||
2cb681b6 ML |
2551 | static enum amd_ip_block_type ip_order[] = { |
2552 | AMD_IP_BLOCK_TYPE_SMC, | |
2553 | AMD_IP_BLOCK_TYPE_DCE, | |
2554 | AMD_IP_BLOCK_TYPE_GFX, | |
2555 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c | 2556 | AMD_IP_BLOCK_TYPE_UVD, |
d83c7a07 JJ |
2557 | AMD_IP_BLOCK_TYPE_VCE, |
2558 | AMD_IP_BLOCK_TYPE_VCN | |
2cb681b6 | 2559 | }; |
a90ad3c2 | 2560 | |
2cb681b6 ML |
2561 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2562 | int j; | |
2563 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2564 | |
2cb681b6 ML |
2565 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2566 | block = &adev->ip_blocks[j]; | |
2567 | ||
2568 | if (block->version->type != ip_order[i] || | |
482f0e53 ML |
2569 | !block->status.valid || |
2570 | block->status.hw) | |
2cb681b6 ML |
2571 | continue; |
2572 | ||
895bd048 JZ |
2573 | if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) |
2574 | r = block->version->funcs->resume(adev); | |
2575 | else | |
2576 | r = block->version->funcs->hw_init(adev); | |
2577 | ||
0aaeefcc | 2578 | DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2579 | if (r) |
2580 | return r; | |
482f0e53 | 2581 | block->status.hw = true; |
a90ad3c2 ML |
2582 | } |
2583 | } | |
2584 | ||
2585 | return 0; | |
2586 | } | |
2587 | ||
e3ecdffa AD |
2588 | /** |
2589 | * amdgpu_device_ip_resume_phase1 - run resume for hardware IPs | |
2590 | * | |
2591 | * @adev: amdgpu_device pointer | |
2592 | * | |
2593 | * First resume function for hardware IPs. The list of all the hardware | |
2594 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2595 | * COMMON, GMC, and IH. resume puts the hardware into a functional state | |
2596 | * after a suspend and updates the software state as necessary. This | |
2597 | * function is also used for restoring the GPU after a GPU reset. | |
2598 | * Returns 0 on success, negative error code on failure. | |
2599 | */ | |
06ec9070 | 2600 | static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
2601 | { |
2602 | int i, r; | |
2603 | ||
a90ad3c2 | 2604 | for (i = 0; i < adev->num_ip_blocks; i++) { |
482f0e53 | 2605 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
a90ad3c2 | 2606 | continue; |
a90ad3c2 | 2607 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa AD |
2608 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
2609 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { | |
482f0e53 | 2610 | |
fcf0649f CZ |
2611 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2612 | if (r) { | |
2613 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
2614 | adev->ip_blocks[i].version->funcs->name, r); | |
2615 | return r; | |
2616 | } | |
482f0e53 | 2617 | adev->ip_blocks[i].status.hw = true; |
a90ad3c2 ML |
2618 | } |
2619 | } | |
2620 | ||
2621 | return 0; | |
2622 | } | |
2623 | ||
e3ecdffa AD |
2624 | /** |
2625 | * amdgpu_device_ip_resume_phase2 - run resume for hardware IPs | |
2626 | * | |
2627 | * @adev: amdgpu_device pointer | |
2628 | * | |
2629 | * First resume function for hardware IPs. The list of all the hardware | |
2630 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2631 | * all blocks except COMMON, GMC, and IH. resume puts the hardware into a | |
2632 | * functional state after a suspend and updates the software state as | |
2633 | * necessary. This function is also used for restoring the GPU after a GPU | |
2634 | * reset. | |
2635 | * Returns 0 on success, negative error code on failure. | |
2636 | */ | |
06ec9070 | 2637 | static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
2638 | { |
2639 | int i, r; | |
2640 | ||
2641 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 | 2642 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2643 | continue; |
fcf0649f | 2644 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 2645 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
7a3e0bb2 RZ |
2646 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
2647 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
fcf0649f | 2648 | continue; |
a1255107 | 2649 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 2650 | if (r) { |
a1255107 AD |
2651 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
2652 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2653 | return r; |
2c1a2784 | 2654 | } |
482f0e53 | 2655 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
2656 | } |
2657 | ||
2658 | return 0; | |
2659 | } | |
2660 | ||
e3ecdffa AD |
2661 | /** |
2662 | * amdgpu_device_ip_resume - run resume for hardware IPs | |
2663 | * | |
2664 | * @adev: amdgpu_device pointer | |
2665 | * | |
2666 | * Main resume function for hardware IPs. The hardware IPs | |
2667 | * are split into two resume functions because they are | |
2668 | * are also used in in recovering from a GPU reset and some additional | |
2669 | * steps need to be take between them. In this case (S3/S4) they are | |
2670 | * run sequentially. | |
2671 | * Returns 0 on success, negative error code on failure. | |
2672 | */ | |
06ec9070 | 2673 | static int amdgpu_device_ip_resume(struct amdgpu_device *adev) |
fcf0649f CZ |
2674 | { |
2675 | int r; | |
2676 | ||
06ec9070 | 2677 | r = amdgpu_device_ip_resume_phase1(adev); |
fcf0649f CZ |
2678 | if (r) |
2679 | return r; | |
7a3e0bb2 RZ |
2680 | |
2681 | r = amdgpu_device_fw_loading(adev); | |
2682 | if (r) | |
2683 | return r; | |
2684 | ||
06ec9070 | 2685 | r = amdgpu_device_ip_resume_phase2(adev); |
fcf0649f CZ |
2686 | |
2687 | return r; | |
2688 | } | |
2689 | ||
e3ecdffa AD |
2690 | /** |
2691 | * amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV | |
2692 | * | |
2693 | * @adev: amdgpu_device pointer | |
2694 | * | |
2695 | * Query the VBIOS data tables to determine if the board supports SR-IOV. | |
2696 | */ | |
4e99a44e | 2697 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 2698 | { |
6867e1b5 ML |
2699 | if (amdgpu_sriov_vf(adev)) { |
2700 | if (adev->is_atom_fw) { | |
2701 | if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) | |
2702 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2703 | } else { | |
2704 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
2705 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2706 | } | |
2707 | ||
2708 | if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)) | |
2709 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); | |
a5bde2f9 | 2710 | } |
048765ad AR |
2711 | } |
2712 | ||
e3ecdffa AD |
2713 | /** |
2714 | * amdgpu_device_asic_has_dc_support - determine if DC supports the asic | |
2715 | * | |
2716 | * @asic_type: AMD asic type | |
2717 | * | |
2718 | * Check if there is DC (new modesetting infrastructre) support for an asic. | |
2719 | * returns true if DC has support, false if not. | |
2720 | */ | |
4562236b HW |
2721 | bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) |
2722 | { | |
2723 | switch (asic_type) { | |
2724 | #if defined(CONFIG_DRM_AMD_DC) | |
2725 | case CHIP_BONAIRE: | |
0d6fbccb | 2726 | case CHIP_KAVERI: |
367e6687 AD |
2727 | case CHIP_KABINI: |
2728 | case CHIP_MULLINS: | |
d9fda248 HW |
2729 | /* |
2730 | * We have systems in the wild with these ASICs that require | |
2731 | * LVDS and VGA support which is not supported with DC. | |
2732 | * | |
2733 | * Fallback to the non-DC driver here by default so as not to | |
2734 | * cause regressions. | |
2735 | */ | |
2736 | return amdgpu_dc > 0; | |
2737 | case CHIP_HAWAII: | |
4562236b HW |
2738 | case CHIP_CARRIZO: |
2739 | case CHIP_STONEY: | |
4562236b | 2740 | case CHIP_POLARIS10: |
675fd32b | 2741 | case CHIP_POLARIS11: |
2c8ad2d5 | 2742 | case CHIP_POLARIS12: |
675fd32b | 2743 | case CHIP_VEGAM: |
4562236b HW |
2744 | case CHIP_TONGA: |
2745 | case CHIP_FIJI: | |
42f8ffa1 | 2746 | case CHIP_VEGA10: |
dca7b401 | 2747 | case CHIP_VEGA12: |
c6034aa2 | 2748 | case CHIP_VEGA20: |
b86a1aa3 | 2749 | #if defined(CONFIG_DRM_AMD_DC_DCN) |
fd187853 | 2750 | case CHIP_RAVEN: |
b4f199c7 | 2751 | case CHIP_NAVI10: |
8fceceb6 | 2752 | case CHIP_NAVI14: |
078655d9 | 2753 | case CHIP_NAVI12: |
e1c14c43 | 2754 | case CHIP_RENOIR: |
42f8ffa1 | 2755 | #endif |
fd187853 | 2756 | return amdgpu_dc != 0; |
4562236b HW |
2757 | #endif |
2758 | default: | |
93b09a9a SS |
2759 | if (amdgpu_dc > 0) |
2760 | DRM_INFO("Display Core has been requested via kernel parameter " | |
2761 | "but isn't supported by ASIC, ignoring\n"); | |
4562236b HW |
2762 | return false; |
2763 | } | |
2764 | } | |
2765 | ||
2766 | /** | |
2767 | * amdgpu_device_has_dc_support - check if dc is supported | |
2768 | * | |
2769 | * @adev: amdgpu_device_pointer | |
2770 | * | |
2771 | * Returns true for supported, false for not supported | |
2772 | */ | |
2773 | bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) | |
2774 | { | |
2555039d XY |
2775 | if (amdgpu_sriov_vf(adev)) |
2776 | return false; | |
2777 | ||
4562236b HW |
2778 | return amdgpu_device_asic_has_dc_support(adev->asic_type); |
2779 | } | |
2780 | ||
d4535e2c AG |
2781 | |
2782 | static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) | |
2783 | { | |
2784 | struct amdgpu_device *adev = | |
2785 | container_of(__work, struct amdgpu_device, xgmi_reset_work); | |
c6a6e2db | 2786 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0); |
d4535e2c | 2787 | |
c6a6e2db AG |
2788 | /* It's a bug to not have a hive within this function */ |
2789 | if (WARN_ON(!hive)) | |
2790 | return; | |
2791 | ||
2792 | /* | |
2793 | * Use task barrier to synchronize all xgmi reset works across the | |
2794 | * hive. task_barrier_enter and task_barrier_exit will block | |
2795 | * until all the threads running the xgmi reset works reach | |
2796 | * those points. task_barrier_full will do both blocks. | |
2797 | */ | |
2798 | if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { | |
2799 | ||
2800 | task_barrier_enter(&hive->tb); | |
2801 | adev->asic_reset_res = amdgpu_device_baco_enter(adev->ddev); | |
2802 | ||
2803 | if (adev->asic_reset_res) | |
2804 | goto fail; | |
2805 | ||
2806 | task_barrier_exit(&hive->tb); | |
2807 | adev->asic_reset_res = amdgpu_device_baco_exit(adev->ddev); | |
2808 | ||
2809 | if (adev->asic_reset_res) | |
2810 | goto fail; | |
43c4d576 JC |
2811 | |
2812 | if (adev->mmhub.funcs && adev->mmhub.funcs->reset_ras_error_count) | |
2813 | adev->mmhub.funcs->reset_ras_error_count(adev); | |
c6a6e2db AG |
2814 | } else { |
2815 | ||
2816 | task_barrier_full(&hive->tb); | |
2817 | adev->asic_reset_res = amdgpu_asic_reset(adev); | |
2818 | } | |
ce316fa5 | 2819 | |
c6a6e2db | 2820 | fail: |
d4535e2c | 2821 | if (adev->asic_reset_res) |
fed184e9 | 2822 | DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", |
d4535e2c AG |
2823 | adev->asic_reset_res, adev->ddev->unique); |
2824 | } | |
2825 | ||
71f98027 AD |
2826 | static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) |
2827 | { | |
2828 | char *input = amdgpu_lockup_timeout; | |
2829 | char *timeout_setting = NULL; | |
2830 | int index = 0; | |
2831 | long timeout; | |
2832 | int ret = 0; | |
2833 | ||
2834 | /* | |
2835 | * By default timeout for non compute jobs is 10000. | |
2836 | * And there is no timeout enforced on compute jobs. | |
2837 | * In SR-IOV or passthrough mode, timeout for compute | |
b7b2a316 | 2838 | * jobs are 60000 by default. |
71f98027 AD |
2839 | */ |
2840 | adev->gfx_timeout = msecs_to_jiffies(10000); | |
2841 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; | |
2842 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) | |
b7b2a316 | 2843 | adev->compute_timeout = msecs_to_jiffies(60000); |
71f98027 AD |
2844 | else |
2845 | adev->compute_timeout = MAX_SCHEDULE_TIMEOUT; | |
2846 | ||
f440ff44 | 2847 | if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 | 2848 | while ((timeout_setting = strsep(&input, ",")) && |
f440ff44 | 2849 | strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 AD |
2850 | ret = kstrtol(timeout_setting, 0, &timeout); |
2851 | if (ret) | |
2852 | return ret; | |
2853 | ||
2854 | if (timeout == 0) { | |
2855 | index++; | |
2856 | continue; | |
2857 | } else if (timeout < 0) { | |
2858 | timeout = MAX_SCHEDULE_TIMEOUT; | |
2859 | } else { | |
2860 | timeout = msecs_to_jiffies(timeout); | |
2861 | } | |
2862 | ||
2863 | switch (index++) { | |
2864 | case 0: | |
2865 | adev->gfx_timeout = timeout; | |
2866 | break; | |
2867 | case 1: | |
2868 | adev->compute_timeout = timeout; | |
2869 | break; | |
2870 | case 2: | |
2871 | adev->sdma_timeout = timeout; | |
2872 | break; | |
2873 | case 3: | |
2874 | adev->video_timeout = timeout; | |
2875 | break; | |
2876 | default: | |
2877 | break; | |
2878 | } | |
2879 | } | |
2880 | /* | |
2881 | * There is only one value specified and | |
2882 | * it should apply to all non-compute jobs. | |
2883 | */ | |
bcccee89 | 2884 | if (index == 1) { |
71f98027 | 2885 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; |
bcccee89 ED |
2886 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) |
2887 | adev->compute_timeout = adev->gfx_timeout; | |
2888 | } | |
71f98027 AD |
2889 | } |
2890 | ||
2891 | return ret; | |
2892 | } | |
d4535e2c | 2893 | |
d38ceaf9 AD |
2894 | /** |
2895 | * amdgpu_device_init - initialize the driver | |
2896 | * | |
2897 | * @adev: amdgpu_device pointer | |
87e3f136 | 2898 | * @ddev: drm dev pointer |
d38ceaf9 AD |
2899 | * @pdev: pci dev pointer |
2900 | * @flags: driver flags | |
2901 | * | |
2902 | * Initializes the driver info and hw (all asics). | |
2903 | * Returns 0 for success or an error on failure. | |
2904 | * Called at driver startup. | |
2905 | */ | |
2906 | int amdgpu_device_init(struct amdgpu_device *adev, | |
2907 | struct drm_device *ddev, | |
2908 | struct pci_dev *pdev, | |
2909 | uint32_t flags) | |
2910 | { | |
2911 | int r, i; | |
3840c5bc | 2912 | bool boco = false; |
95844d20 | 2913 | u32 max_MBps; |
d38ceaf9 AD |
2914 | |
2915 | adev->shutdown = false; | |
2916 | adev->dev = &pdev->dev; | |
2917 | adev->ddev = ddev; | |
2918 | adev->pdev = pdev; | |
2919 | adev->flags = flags; | |
4e66d7d2 YZ |
2920 | |
2921 | if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST) | |
2922 | adev->asic_type = amdgpu_force_asic_type; | |
2923 | else | |
2924 | adev->asic_type = flags & AMD_ASIC_MASK; | |
2925 | ||
d38ceaf9 | 2926 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
593aa2d2 | 2927 | if (amdgpu_emu_mode == 1) |
8bdab6bb | 2928 | adev->usec_timeout *= 10; |
770d13b1 | 2929 | adev->gmc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
2930 | adev->accel_working = false; |
2931 | adev->num_rings = 0; | |
2932 | adev->mman.buffer_funcs = NULL; | |
2933 | adev->mman.buffer_funcs_ring = NULL; | |
2934 | adev->vm_manager.vm_pte_funcs = NULL; | |
0c88b430 | 2935 | adev->vm_manager.vm_pte_num_scheds = 0; |
132f34e4 | 2936 | adev->gmc.gmc_funcs = NULL; |
f54d1867 | 2937 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
b8866c26 | 2938 | bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); |
d38ceaf9 AD |
2939 | |
2940 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
2941 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
2942 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
2943 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
2944 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
2945 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
4fa1c6a6 TZ |
2946 | adev->pcie_rreg64 = &amdgpu_invalid_rreg64; |
2947 | adev->pcie_wreg64 = &amdgpu_invalid_wreg64; | |
d38ceaf9 AD |
2948 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
2949 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
2950 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
2951 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
2952 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
2953 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
2954 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
2955 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
2956 | ||
3e39ab90 AD |
2957 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
2958 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
2959 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
2960 | |
2961 | /* mutex initialization are all done here so we | |
2962 | * can recall function without having locking issues */ | |
d38ceaf9 | 2963 | atomic_set(&adev->irq.ih.lock, 0); |
0e5ca0d1 | 2964 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
2965 | mutex_init(&adev->pm.mutex); |
2966 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
2967 | mutex_init(&adev->srbm_mutex); | |
b8866c26 | 2968 | mutex_init(&adev->gfx.pipe_reserve_mutex); |
d23ee13f | 2969 | mutex_init(&adev->gfx.gfx_off_mutex); |
d38ceaf9 | 2970 | mutex_init(&adev->grbm_idx_mutex); |
d38ceaf9 | 2971 | mutex_init(&adev->mn_lock); |
e23b74aa | 2972 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 | 2973 | hash_init(adev->mn_hash); |
13a752e3 | 2974 | mutex_init(&adev->lock_reset); |
32eaeae0 | 2975 | mutex_init(&adev->psp.mutex); |
bd052211 | 2976 | mutex_init(&adev->notifier_lock); |
d38ceaf9 | 2977 | |
912dfc84 EQ |
2978 | r = amdgpu_device_check_arguments(adev); |
2979 | if (r) | |
2980 | return r; | |
d38ceaf9 | 2981 | |
d38ceaf9 AD |
2982 | spin_lock_init(&adev->mmio_idx_lock); |
2983 | spin_lock_init(&adev->smc_idx_lock); | |
2984 | spin_lock_init(&adev->pcie_idx_lock); | |
2985 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
2986 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 2987 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 2988 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 2989 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 2990 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 2991 | |
0c4e7fa5 CZ |
2992 | INIT_LIST_HEAD(&adev->shadow_list); |
2993 | mutex_init(&adev->shadow_list_lock); | |
2994 | ||
beff74bc AD |
2995 | INIT_DELAYED_WORK(&adev->delayed_init_work, |
2996 | amdgpu_device_delayed_init_work_handler); | |
1e317b99 RZ |
2997 | INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, |
2998 | amdgpu_device_delay_enable_gfx_off); | |
2dc80b00 | 2999 | |
d4535e2c AG |
3000 | INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |
3001 | ||
d23ee13f | 3002 | adev->gfx.gfx_off_req_count = 1; |
b6e79d9a | 3003 | adev->pm.ac_power = power_supply_is_system_supplied() > 0; |
b1ddf548 | 3004 | |
0fa49558 AX |
3005 | /* Registers mapping */ |
3006 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
3007 | if (adev->asic_type >= CHIP_BONAIRE) { |
3008 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
3009 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
3010 | } else { | |
3011 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
3012 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
3013 | } | |
d38ceaf9 | 3014 | |
d38ceaf9 AD |
3015 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
3016 | if (adev->rmmio == NULL) { | |
3017 | return -ENOMEM; | |
3018 | } | |
3019 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
3020 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
3021 | ||
d38ceaf9 AD |
3022 | /* io port mapping */ |
3023 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
3024 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
3025 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
3026 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
3027 | break; | |
3028 | } | |
3029 | } | |
3030 | if (adev->rio_mem == NULL) | |
b64a18c5 | 3031 | DRM_INFO("PCI I/O BAR is not found.\n"); |
d38ceaf9 | 3032 | |
b2109d8e JX |
3033 | /* enable PCIE atomic ops */ |
3034 | r = pci_enable_atomic_ops_to_root(adev->pdev, | |
3035 | PCI_EXP_DEVCAP2_ATOMIC_COMP32 | | |
3036 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); | |
3037 | if (r) { | |
3038 | adev->have_atomics_support = false; | |
3039 | DRM_INFO("PCIE atomic ops is not supported\n"); | |
3040 | } else { | |
3041 | adev->have_atomics_support = true; | |
3042 | } | |
3043 | ||
5494d864 AD |
3044 | amdgpu_device_get_pcie_info(adev); |
3045 | ||
b239c017 JX |
3046 | if (amdgpu_mcbp) |
3047 | DRM_INFO("MCBP is enabled\n"); | |
3048 | ||
5f84cc63 JX |
3049 | if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10) |
3050 | adev->enable_mes = true; | |
3051 | ||
3aa0115d ML |
3052 | /* detect hw virtualization here */ |
3053 | amdgpu_detect_virtualization(adev); | |
3054 | ||
dffa11b4 ML |
3055 | r = amdgpu_device_get_job_timeout_settings(adev); |
3056 | if (r) { | |
3057 | dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); | |
3058 | return r; | |
a190d1c7 XY |
3059 | } |
3060 | ||
d38ceaf9 | 3061 | /* early init functions */ |
06ec9070 | 3062 | r = amdgpu_device_ip_early_init(adev); |
d38ceaf9 AD |
3063 | if (r) |
3064 | return r; | |
3065 | ||
6585661d OZ |
3066 | /* doorbell bar mapping and doorbell index init*/ |
3067 | amdgpu_device_doorbell_init(adev); | |
3068 | ||
d38ceaf9 AD |
3069 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ |
3070 | /* this will fail for cards that aren't VGA class devices, just | |
3071 | * ignore it */ | |
06ec9070 | 3072 | vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); |
d38ceaf9 | 3073 | |
31af062a | 3074 | if (amdgpu_device_supports_boco(ddev)) |
3840c5bc AD |
3075 | boco = true; |
3076 | if (amdgpu_has_atpx() && | |
3077 | (amdgpu_is_atpx_hybrid() || | |
3078 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
3079 | !pci_is_thunderbolt_attached(adev->pdev)) | |
84c8b22e | 3080 | vga_switcheroo_register_client(adev->pdev, |
3840c5bc AD |
3081 | &amdgpu_switcheroo_ops, boco); |
3082 | if (boco) | |
d38ceaf9 AD |
3083 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); |
3084 | ||
9475a943 SL |
3085 | if (amdgpu_emu_mode == 1) { |
3086 | /* post the asic on emulation mode */ | |
3087 | emu_soc_asic_init(adev); | |
bfca0289 | 3088 | goto fence_driver_init; |
9475a943 | 3089 | } |
bfca0289 | 3090 | |
4e99a44e ML |
3091 | /* detect if we are with an SRIOV vbios */ |
3092 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 3093 | |
95e8e59e AD |
3094 | /* check if we need to reset the asic |
3095 | * E.g., driver was not cleanly unloaded previously, etc. | |
3096 | */ | |
f14899fd | 3097 | if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { |
95e8e59e AD |
3098 | r = amdgpu_asic_reset(adev); |
3099 | if (r) { | |
3100 | dev_err(adev->dev, "asic reset on init failed\n"); | |
3101 | goto failed; | |
3102 | } | |
3103 | } | |
3104 | ||
d38ceaf9 | 3105 | /* Post card if necessary */ |
39c640c0 | 3106 | if (amdgpu_device_need_post(adev)) { |
d38ceaf9 | 3107 | if (!adev->bios) { |
bec86378 | 3108 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
3109 | r = -EINVAL; |
3110 | goto failed; | |
d38ceaf9 | 3111 | } |
bec86378 | 3112 | DRM_INFO("GPU posting now...\n"); |
4e99a44e ML |
3113 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
3114 | if (r) { | |
3115 | dev_err(adev->dev, "gpu post error!\n"); | |
3116 | goto failed; | |
3117 | } | |
d38ceaf9 AD |
3118 | } |
3119 | ||
88b64e95 AD |
3120 | if (adev->is_atom_fw) { |
3121 | /* Initialize clocks */ | |
3122 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
3123 | if (r) { | |
3124 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
e23b74aa | 3125 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
88b64e95 AD |
3126 | goto failed; |
3127 | } | |
3128 | } else { | |
a5bde2f9 AD |
3129 | /* Initialize clocks */ |
3130 | r = amdgpu_atombios_get_clock_info(adev); | |
3131 | if (r) { | |
3132 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
e23b74aa | 3133 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
89041940 | 3134 | goto failed; |
a5bde2f9 AD |
3135 | } |
3136 | /* init i2c buses */ | |
4562236b HW |
3137 | if (!amdgpu_device_has_dc_support(adev)) |
3138 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 3139 | } |
d38ceaf9 | 3140 | |
bfca0289 | 3141 | fence_driver_init: |
d38ceaf9 AD |
3142 | /* Fence driver */ |
3143 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
3144 | if (r) { |
3145 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
e23b74aa | 3146 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 3147 | goto failed; |
2c1a2784 | 3148 | } |
d38ceaf9 AD |
3149 | |
3150 | /* init the mode config */ | |
3151 | drm_mode_config_init(adev->ddev); | |
3152 | ||
06ec9070 | 3153 | r = amdgpu_device_ip_init(adev); |
d38ceaf9 | 3154 | if (r) { |
8840a387 | 3155 | /* failed in exclusive mode due to timeout */ |
3156 | if (amdgpu_sriov_vf(adev) && | |
3157 | !amdgpu_sriov_runtime(adev) && | |
3158 | amdgpu_virt_mmio_blocked(adev) && | |
3159 | !amdgpu_virt_wait_reset(adev)) { | |
3160 | dev_err(adev->dev, "VF exclusive mode timeout\n"); | |
1daee8b4 PD |
3161 | /* Don't send request since VF is inactive. */ |
3162 | adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; | |
3163 | adev->virt.ops = NULL; | |
8840a387 | 3164 | r = -EAGAIN; |
3165 | goto failed; | |
3166 | } | |
06ec9070 | 3167 | dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); |
e23b74aa | 3168 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
83ba126a | 3169 | goto failed; |
d38ceaf9 AD |
3170 | } |
3171 | ||
d69b8971 YZ |
3172 | dev_info(adev->dev, |
3173 | "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n", | |
d7f72fe4 YZ |
3174 | adev->gfx.config.max_shader_engines, |
3175 | adev->gfx.config.max_sh_per_se, | |
3176 | adev->gfx.config.max_cu_per_sh, | |
3177 | adev->gfx.cu_info.number); | |
3178 | ||
d38ceaf9 AD |
3179 | adev->accel_working = true; |
3180 | ||
e59c0205 AX |
3181 | amdgpu_vm_check_compute_bug(adev); |
3182 | ||
95844d20 MO |
3183 | /* Initialize the buffer migration limit. */ |
3184 | if (amdgpu_moverate >= 0) | |
3185 | max_MBps = amdgpu_moverate; | |
3186 | else | |
3187 | max_MBps = 8; /* Allow 8 MB/s. */ | |
3188 | /* Get a log2 for easy divisions. */ | |
3189 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
3190 | ||
9bc92b9c ML |
3191 | amdgpu_fbdev_init(adev); |
3192 | ||
d2f52ac8 | 3193 | r = amdgpu_pm_sysfs_init(adev); |
7c868b59 YT |
3194 | if (r) { |
3195 | adev->pm_sysfs_en = false; | |
d2f52ac8 | 3196 | DRM_ERROR("registering pm debugfs failed (%d).\n", r); |
7c868b59 YT |
3197 | } else |
3198 | adev->pm_sysfs_en = true; | |
d2f52ac8 | 3199 | |
5bb23532 | 3200 | r = amdgpu_ucode_sysfs_init(adev); |
7c868b59 YT |
3201 | if (r) { |
3202 | adev->ucode_sysfs_en = false; | |
5bb23532 | 3203 | DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); |
7c868b59 YT |
3204 | } else |
3205 | adev->ucode_sysfs_en = true; | |
5bb23532 | 3206 | |
d38ceaf9 AD |
3207 | if ((amdgpu_testing & 1)) { |
3208 | if (adev->accel_working) | |
3209 | amdgpu_test_moves(adev); | |
3210 | else | |
3211 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
3212 | } | |
d38ceaf9 AD |
3213 | if (amdgpu_benchmarking) { |
3214 | if (adev->accel_working) | |
3215 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
3216 | else | |
3217 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
3218 | } | |
3219 | ||
b0adca4d EQ |
3220 | /* |
3221 | * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. | |
3222 | * Otherwise the mgpu fan boost feature will be skipped due to the | |
3223 | * gpu instance is counted less. | |
3224 | */ | |
3225 | amdgpu_register_gpu_instance(adev); | |
3226 | ||
d38ceaf9 AD |
3227 | /* enable clockgating, etc. after ib tests, etc. since some blocks require |
3228 | * explicit gating rather than handling it automatically. | |
3229 | */ | |
06ec9070 | 3230 | r = amdgpu_device_ip_late_init(adev); |
2c1a2784 | 3231 | if (r) { |
06ec9070 | 3232 | dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); |
e23b74aa | 3233 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); |
83ba126a | 3234 | goto failed; |
2c1a2784 | 3235 | } |
d38ceaf9 | 3236 | |
108c6a63 | 3237 | /* must succeed. */ |
511fdbc3 | 3238 | amdgpu_ras_resume(adev); |
108c6a63 | 3239 | |
beff74bc AD |
3240 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3241 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3242 | ||
dcea6e65 KR |
3243 | r = device_create_file(adev->dev, &dev_attr_pcie_replay_count); |
3244 | if (r) { | |
3245 | dev_err(adev->dev, "Could not create pcie_replay_count"); | |
3246 | return r; | |
3247 | } | |
108c6a63 | 3248 | |
bd607166 KR |
3249 | r = device_create_file(adev->dev, &dev_attr_product_name); |
3250 | if (r) { | |
3251 | dev_err(adev->dev, "Could not create product_name"); | |
3252 | return r; | |
3253 | } | |
3254 | ||
3255 | r = device_create_file(adev->dev, &dev_attr_product_number); | |
3256 | if (r) { | |
3257 | dev_err(adev->dev, "Could not create product_number"); | |
3258 | return r; | |
3259 | } | |
3260 | ||
3261 | r = device_create_file(adev->dev, &dev_attr_serial_number); | |
3262 | if (r) { | |
3263 | dev_err(adev->dev, "Could not create serial_number"); | |
3264 | return r; | |
3265 | } | |
3266 | ||
d155bef0 AB |
3267 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3268 | r = amdgpu_pmu_init(adev); | |
9c7c85f7 JK |
3269 | if (r) |
3270 | dev_err(adev->dev, "amdgpu_pmu_init failed\n"); | |
3271 | ||
d38ceaf9 | 3272 | return 0; |
83ba126a AD |
3273 | |
3274 | failed: | |
89041940 | 3275 | amdgpu_vf_error_trans_all(adev); |
3840c5bc | 3276 | if (boco) |
83ba126a | 3277 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
8840a387 | 3278 | |
83ba126a | 3279 | return r; |
d38ceaf9 AD |
3280 | } |
3281 | ||
d38ceaf9 AD |
3282 | /** |
3283 | * amdgpu_device_fini - tear down the driver | |
3284 | * | |
3285 | * @adev: amdgpu_device pointer | |
3286 | * | |
3287 | * Tear down the driver info (all asics). | |
3288 | * Called at driver shutdown. | |
3289 | */ | |
3290 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
3291 | { | |
3292 | int r; | |
3293 | ||
3294 | DRM_INFO("amdgpu: finishing device.\n"); | |
9f875167 | 3295 | flush_delayed_work(&adev->delayed_init_work); |
d0d13fe8 | 3296 | adev->shutdown = true; |
9f875167 | 3297 | |
752c683d ML |
3298 | /* make sure IB test finished before entering exclusive mode |
3299 | * to avoid preemption on IB test | |
3300 | * */ | |
3301 | if (amdgpu_sriov_vf(adev)) | |
3302 | amdgpu_virt_request_full_gpu(adev, false); | |
3303 | ||
e5b03032 ML |
3304 | /* disable all interrupts */ |
3305 | amdgpu_irq_disable_all(adev); | |
ff97cba8 ML |
3306 | if (adev->mode_info.mode_config_initialized){ |
3307 | if (!amdgpu_device_has_dc_support(adev)) | |
c2d88e06 | 3308 | drm_helper_force_disable_all(adev->ddev); |
ff97cba8 ML |
3309 | else |
3310 | drm_atomic_helper_shutdown(adev->ddev); | |
3311 | } | |
d38ceaf9 | 3312 | amdgpu_fence_driver_fini(adev); |
7c868b59 YT |
3313 | if (adev->pm_sysfs_en) |
3314 | amdgpu_pm_sysfs_fini(adev); | |
d38ceaf9 | 3315 | amdgpu_fbdev_fini(adev); |
06ec9070 | 3316 | r = amdgpu_device_ip_fini(adev); |
ab4fe3e1 HR |
3317 | if (adev->firmware.gpu_info_fw) { |
3318 | release_firmware(adev->firmware.gpu_info_fw); | |
3319 | adev->firmware.gpu_info_fw = NULL; | |
3320 | } | |
d38ceaf9 AD |
3321 | adev->accel_working = false; |
3322 | /* free i2c buses */ | |
4562236b HW |
3323 | if (!amdgpu_device_has_dc_support(adev)) |
3324 | amdgpu_i2c_fini(adev); | |
bfca0289 SL |
3325 | |
3326 | if (amdgpu_emu_mode != 1) | |
3327 | amdgpu_atombios_fini(adev); | |
3328 | ||
d38ceaf9 AD |
3329 | kfree(adev->bios); |
3330 | adev->bios = NULL; | |
3840c5bc AD |
3331 | if (amdgpu_has_atpx() && |
3332 | (amdgpu_is_atpx_hybrid() || | |
3333 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
3334 | !pci_is_thunderbolt_attached(adev->pdev)) | |
84c8b22e | 3335 | vga_switcheroo_unregister_client(adev->pdev); |
3840c5bc | 3336 | if (amdgpu_device_supports_boco(adev->ddev)) |
83ba126a | 3337 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
d38ceaf9 AD |
3338 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
3339 | if (adev->rio_mem) | |
3340 | pci_iounmap(adev->pdev, adev->rio_mem); | |
3341 | adev->rio_mem = NULL; | |
3342 | iounmap(adev->rmmio); | |
3343 | adev->rmmio = NULL; | |
06ec9070 | 3344 | amdgpu_device_doorbell_fini(adev); |
e9bc1bf7 | 3345 | |
dcea6e65 | 3346 | device_remove_file(adev->dev, &dev_attr_pcie_replay_count); |
7c868b59 YT |
3347 | if (adev->ucode_sysfs_en) |
3348 | amdgpu_ucode_sysfs_fini(adev); | |
bd607166 KR |
3349 | device_remove_file(adev->dev, &dev_attr_product_name); |
3350 | device_remove_file(adev->dev, &dev_attr_product_number); | |
3351 | device_remove_file(adev->dev, &dev_attr_serial_number); | |
d155bef0 AB |
3352 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3353 | amdgpu_pmu_fini(adev); | |
f54eeab4 | 3354 | if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) |
a190d1c7 | 3355 | amdgpu_discovery_fini(adev); |
d38ceaf9 AD |
3356 | } |
3357 | ||
3358 | ||
3359 | /* | |
3360 | * Suspend & resume. | |
3361 | */ | |
3362 | /** | |
810ddc3a | 3363 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 | 3364 | * |
87e3f136 DP |
3365 | * @dev: drm dev pointer |
3366 | * @suspend: suspend state | |
3367 | * @fbcon : notify the fbdev of suspend | |
d38ceaf9 AD |
3368 | * |
3369 | * Puts the hw in the suspend state (all asics). | |
3370 | * Returns 0 for success or an error on failure. | |
3371 | * Called at driver suspend. | |
3372 | */ | |
de185019 | 3373 | int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) |
d38ceaf9 AD |
3374 | { |
3375 | struct amdgpu_device *adev; | |
3376 | struct drm_crtc *crtc; | |
3377 | struct drm_connector *connector; | |
f8d2d39e | 3378 | struct drm_connector_list_iter iter; |
5ceb54c6 | 3379 | int r; |
d38ceaf9 AD |
3380 | |
3381 | if (dev == NULL || dev->dev_private == NULL) { | |
3382 | return -ENODEV; | |
3383 | } | |
3384 | ||
3385 | adev = dev->dev_private; | |
3386 | ||
3387 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
3388 | return 0; | |
3389 | ||
44779b43 | 3390 | adev->in_suspend = true; |
d38ceaf9 AD |
3391 | drm_kms_helper_poll_disable(dev); |
3392 | ||
5f818173 S |
3393 | if (fbcon) |
3394 | amdgpu_fbdev_set_suspend(adev, 1); | |
3395 | ||
beff74bc | 3396 | cancel_delayed_work_sync(&adev->delayed_init_work); |
a5459475 | 3397 | |
4562236b HW |
3398 | if (!amdgpu_device_has_dc_support(adev)) { |
3399 | /* turn off display hw */ | |
3400 | drm_modeset_lock_all(dev); | |
f8d2d39e LP |
3401 | drm_connector_list_iter_begin(dev, &iter); |
3402 | drm_for_each_connector_iter(connector, &iter) | |
3403 | drm_helper_connector_dpms(connector, | |
3404 | DRM_MODE_DPMS_OFF); | |
3405 | drm_connector_list_iter_end(&iter); | |
4562236b | 3406 | drm_modeset_unlock_all(dev); |
fe1053b7 AD |
3407 | /* unpin the front buffers and cursors */ |
3408 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3409 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
3410 | struct drm_framebuffer *fb = crtc->primary->fb; | |
3411 | struct amdgpu_bo *robj; | |
3412 | ||
91334223 | 3413 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
3414 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
3415 | r = amdgpu_bo_reserve(aobj, true); | |
3416 | if (r == 0) { | |
3417 | amdgpu_bo_unpin(aobj); | |
3418 | amdgpu_bo_unreserve(aobj); | |
3419 | } | |
756e6880 | 3420 | } |
756e6880 | 3421 | |
fe1053b7 AD |
3422 | if (fb == NULL || fb->obj[0] == NULL) { |
3423 | continue; | |
3424 | } | |
3425 | robj = gem_to_amdgpu_bo(fb->obj[0]); | |
3426 | /* don't unpin kernel fb objects */ | |
3427 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
3428 | r = amdgpu_bo_reserve(robj, true); | |
3429 | if (r == 0) { | |
3430 | amdgpu_bo_unpin(robj); | |
3431 | amdgpu_bo_unreserve(robj); | |
3432 | } | |
d38ceaf9 AD |
3433 | } |
3434 | } | |
3435 | } | |
fe1053b7 | 3436 | |
5e6932fe | 3437 | amdgpu_ras_suspend(adev); |
3438 | ||
fe1053b7 AD |
3439 | r = amdgpu_device_ip_suspend_phase1(adev); |
3440 | ||
94fa5660 EQ |
3441 | amdgpu_amdkfd_suspend(adev, !fbcon); |
3442 | ||
d38ceaf9 AD |
3443 | /* evict vram memory */ |
3444 | amdgpu_bo_evict_vram(adev); | |
3445 | ||
5ceb54c6 | 3446 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 | 3447 | |
fe1053b7 | 3448 | r = amdgpu_device_ip_suspend_phase2(adev); |
d38ceaf9 | 3449 | |
a0a71e49 AD |
3450 | /* evict remaining vram memory |
3451 | * This second call to evict vram is to evict the gart page table | |
3452 | * using the CPU. | |
3453 | */ | |
d38ceaf9 AD |
3454 | amdgpu_bo_evict_vram(adev); |
3455 | ||
d38ceaf9 AD |
3456 | return 0; |
3457 | } | |
3458 | ||
3459 | /** | |
810ddc3a | 3460 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 | 3461 | * |
87e3f136 DP |
3462 | * @dev: drm dev pointer |
3463 | * @resume: resume state | |
3464 | * @fbcon : notify the fbdev of resume | |
d38ceaf9 AD |
3465 | * |
3466 | * Bring the hw back to operating state (all asics). | |
3467 | * Returns 0 for success or an error on failure. | |
3468 | * Called at driver resume. | |
3469 | */ | |
de185019 | 3470 | int amdgpu_device_resume(struct drm_device *dev, bool fbcon) |
d38ceaf9 AD |
3471 | { |
3472 | struct drm_connector *connector; | |
f8d2d39e | 3473 | struct drm_connector_list_iter iter; |
d38ceaf9 | 3474 | struct amdgpu_device *adev = dev->dev_private; |
756e6880 | 3475 | struct drm_crtc *crtc; |
03161a6e | 3476 | int r = 0; |
d38ceaf9 AD |
3477 | |
3478 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
3479 | return 0; | |
3480 | ||
d38ceaf9 | 3481 | /* post card */ |
39c640c0 | 3482 | if (amdgpu_device_need_post(adev)) { |
74b0b157 | 3483 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
3484 | if (r) | |
3485 | DRM_ERROR("amdgpu asic init failed\n"); | |
3486 | } | |
d38ceaf9 | 3487 | |
06ec9070 | 3488 | r = amdgpu_device_ip_resume(adev); |
e6707218 | 3489 | if (r) { |
06ec9070 | 3490 | DRM_ERROR("amdgpu_device_ip_resume failed (%d).\n", r); |
4d3b9ae5 | 3491 | return r; |
e6707218 | 3492 | } |
5ceb54c6 AD |
3493 | amdgpu_fence_driver_resume(adev); |
3494 | ||
d38ceaf9 | 3495 | |
06ec9070 | 3496 | r = amdgpu_device_ip_late_init(adev); |
03161a6e | 3497 | if (r) |
4d3b9ae5 | 3498 | return r; |
d38ceaf9 | 3499 | |
beff74bc AD |
3500 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3501 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3502 | ||
fe1053b7 AD |
3503 | if (!amdgpu_device_has_dc_support(adev)) { |
3504 | /* pin cursors */ | |
3505 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3506 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
3507 | ||
91334223 | 3508 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
3509 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
3510 | r = amdgpu_bo_reserve(aobj, true); | |
3511 | if (r == 0) { | |
3512 | r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); | |
3513 | if (r != 0) | |
3514 | DRM_ERROR("Failed to pin cursor BO (%d)\n", r); | |
3515 | amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); | |
3516 | amdgpu_bo_unreserve(aobj); | |
3517 | } | |
756e6880 AD |
3518 | } |
3519 | } | |
3520 | } | |
9593f4d6 | 3521 | r = amdgpu_amdkfd_resume(adev, !fbcon); |
ba997709 YZ |
3522 | if (r) |
3523 | return r; | |
756e6880 | 3524 | |
96a5d8d4 | 3525 | /* Make sure IB tests flushed */ |
beff74bc | 3526 | flush_delayed_work(&adev->delayed_init_work); |
96a5d8d4 | 3527 | |
d38ceaf9 AD |
3528 | /* blat the mode back in */ |
3529 | if (fbcon) { | |
4562236b HW |
3530 | if (!amdgpu_device_has_dc_support(adev)) { |
3531 | /* pre DCE11 */ | |
3532 | drm_helper_resume_force_mode(dev); | |
3533 | ||
3534 | /* turn on display hw */ | |
3535 | drm_modeset_lock_all(dev); | |
f8d2d39e LP |
3536 | |
3537 | drm_connector_list_iter_begin(dev, &iter); | |
3538 | drm_for_each_connector_iter(connector, &iter) | |
3539 | drm_helper_connector_dpms(connector, | |
3540 | DRM_MODE_DPMS_ON); | |
3541 | drm_connector_list_iter_end(&iter); | |
3542 | ||
4562236b | 3543 | drm_modeset_unlock_all(dev); |
d38ceaf9 | 3544 | } |
4d3b9ae5 | 3545 | amdgpu_fbdev_set_suspend(adev, 0); |
d38ceaf9 AD |
3546 | } |
3547 | ||
3548 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 | 3549 | |
5e6932fe | 3550 | amdgpu_ras_resume(adev); |
3551 | ||
23a1a9e5 L |
3552 | /* |
3553 | * Most of the connector probing functions try to acquire runtime pm | |
3554 | * refs to ensure that the GPU is powered on when connector polling is | |
3555 | * performed. Since we're calling this from a runtime PM callback, | |
3556 | * trying to acquire rpm refs will cause us to deadlock. | |
3557 | * | |
3558 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
3559 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
3560 | */ | |
3561 | #ifdef CONFIG_PM | |
3562 | dev->dev->power.disable_depth++; | |
3563 | #endif | |
4562236b HW |
3564 | if (!amdgpu_device_has_dc_support(adev)) |
3565 | drm_helper_hpd_irq_event(dev); | |
3566 | else | |
3567 | drm_kms_helper_hotplug_event(dev); | |
23a1a9e5 L |
3568 | #ifdef CONFIG_PM |
3569 | dev->dev->power.disable_depth--; | |
3570 | #endif | |
44779b43 RZ |
3571 | adev->in_suspend = false; |
3572 | ||
4d3b9ae5 | 3573 | return 0; |
d38ceaf9 AD |
3574 | } |
3575 | ||
e3ecdffa AD |
3576 | /** |
3577 | * amdgpu_device_ip_check_soft_reset - did soft reset succeed | |
3578 | * | |
3579 | * @adev: amdgpu_device pointer | |
3580 | * | |
3581 | * The list of all the hardware IPs that make up the asic is walked and | |
3582 | * the check_soft_reset callbacks are run. check_soft_reset determines | |
3583 | * if the asic is still hung or not. | |
3584 | * Returns true if any of the IPs are still in a hung state, false if not. | |
3585 | */ | |
06ec9070 | 3586 | static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) |
63fbf42f CZ |
3587 | { |
3588 | int i; | |
3589 | bool asic_hang = false; | |
3590 | ||
f993d628 ML |
3591 | if (amdgpu_sriov_vf(adev)) |
3592 | return true; | |
3593 | ||
8bc04c29 AD |
3594 | if (amdgpu_asic_need_full_reset(adev)) |
3595 | return true; | |
3596 | ||
63fbf42f | 3597 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3598 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 3599 | continue; |
a1255107 AD |
3600 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
3601 | adev->ip_blocks[i].status.hang = | |
3602 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
3603 | if (adev->ip_blocks[i].status.hang) { | |
3604 | DRM_INFO("IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); | |
63fbf42f CZ |
3605 | asic_hang = true; |
3606 | } | |
3607 | } | |
3608 | return asic_hang; | |
3609 | } | |
3610 | ||
e3ecdffa AD |
3611 | /** |
3612 | * amdgpu_device_ip_pre_soft_reset - prepare for soft reset | |
3613 | * | |
3614 | * @adev: amdgpu_device pointer | |
3615 | * | |
3616 | * The list of all the hardware IPs that make up the asic is walked and the | |
3617 | * pre_soft_reset callbacks are run if the block is hung. pre_soft_reset | |
3618 | * handles any IP specific hardware or software state changes that are | |
3619 | * necessary for a soft reset to succeed. | |
3620 | * Returns 0 on success, negative error code on failure. | |
3621 | */ | |
06ec9070 | 3622 | static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
3623 | { |
3624 | int i, r = 0; | |
3625 | ||
3626 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3627 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 3628 | continue; |
a1255107 AD |
3629 | if (adev->ip_blocks[i].status.hang && |
3630 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
3631 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
3632 | if (r) |
3633 | return r; | |
3634 | } | |
3635 | } | |
3636 | ||
3637 | return 0; | |
3638 | } | |
3639 | ||
e3ecdffa AD |
3640 | /** |
3641 | * amdgpu_device_ip_need_full_reset - check if a full asic reset is needed | |
3642 | * | |
3643 | * @adev: amdgpu_device pointer | |
3644 | * | |
3645 | * Some hardware IPs cannot be soft reset. If they are hung, a full gpu | |
3646 | * reset is necessary to recover. | |
3647 | * Returns true if a full asic reset is required, false if not. | |
3648 | */ | |
06ec9070 | 3649 | static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) |
35d782fe | 3650 | { |
da146d3b AD |
3651 | int i; |
3652 | ||
8bc04c29 AD |
3653 | if (amdgpu_asic_need_full_reset(adev)) |
3654 | return true; | |
3655 | ||
da146d3b | 3656 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3657 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 3658 | continue; |
a1255107 AD |
3659 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
3660 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
3661 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
3662 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
3663 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 3664 | if (adev->ip_blocks[i].status.hang) { |
da146d3b AD |
3665 | DRM_INFO("Some block need full reset!\n"); |
3666 | return true; | |
3667 | } | |
3668 | } | |
35d782fe CZ |
3669 | } |
3670 | return false; | |
3671 | } | |
3672 | ||
e3ecdffa AD |
3673 | /** |
3674 | * amdgpu_device_ip_soft_reset - do a soft reset | |
3675 | * | |
3676 | * @adev: amdgpu_device pointer | |
3677 | * | |
3678 | * The list of all the hardware IPs that make up the asic is walked and the | |
3679 | * soft_reset callbacks are run if the block is hung. soft_reset handles any | |
3680 | * IP specific hardware or software state changes that are necessary to soft | |
3681 | * reset the IP. | |
3682 | * Returns 0 on success, negative error code on failure. | |
3683 | */ | |
06ec9070 | 3684 | static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3685 | { |
3686 | int i, r = 0; | |
3687 | ||
3688 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3689 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3690 | continue; |
a1255107 AD |
3691 | if (adev->ip_blocks[i].status.hang && |
3692 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
3693 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
3694 | if (r) |
3695 | return r; | |
3696 | } | |
3697 | } | |
3698 | ||
3699 | return 0; | |
3700 | } | |
3701 | ||
e3ecdffa AD |
3702 | /** |
3703 | * amdgpu_device_ip_post_soft_reset - clean up from soft reset | |
3704 | * | |
3705 | * @adev: amdgpu_device pointer | |
3706 | * | |
3707 | * The list of all the hardware IPs that make up the asic is walked and the | |
3708 | * post_soft_reset callbacks are run if the asic was hung. post_soft_reset | |
3709 | * handles any IP specific hardware or software state changes that are | |
3710 | * necessary after the IP has been soft reset. | |
3711 | * Returns 0 on success, negative error code on failure. | |
3712 | */ | |
06ec9070 | 3713 | static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3714 | { |
3715 | int i, r = 0; | |
3716 | ||
3717 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3718 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3719 | continue; |
a1255107 AD |
3720 | if (adev->ip_blocks[i].status.hang && |
3721 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
3722 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
3723 | if (r) |
3724 | return r; | |
3725 | } | |
3726 | ||
3727 | return 0; | |
3728 | } | |
3729 | ||
e3ecdffa | 3730 | /** |
c33adbc7 | 3731 | * amdgpu_device_recover_vram - Recover some VRAM contents |
e3ecdffa AD |
3732 | * |
3733 | * @adev: amdgpu_device pointer | |
3734 | * | |
3735 | * Restores the contents of VRAM buffers from the shadows in GTT. Used to | |
3736 | * restore things like GPUVM page tables after a GPU reset where | |
3737 | * the contents of VRAM might be lost. | |
403009bf CK |
3738 | * |
3739 | * Returns: | |
3740 | * 0 on success, negative error code on failure. | |
e3ecdffa | 3741 | */ |
c33adbc7 | 3742 | static int amdgpu_device_recover_vram(struct amdgpu_device *adev) |
c41d1cf6 | 3743 | { |
c41d1cf6 | 3744 | struct dma_fence *fence = NULL, *next = NULL; |
403009bf CK |
3745 | struct amdgpu_bo *shadow; |
3746 | long r = 1, tmo; | |
c41d1cf6 ML |
3747 | |
3748 | if (amdgpu_sriov_runtime(adev)) | |
b045d3af | 3749 | tmo = msecs_to_jiffies(8000); |
c41d1cf6 ML |
3750 | else |
3751 | tmo = msecs_to_jiffies(100); | |
3752 | ||
3753 | DRM_INFO("recover vram bo from shadow start\n"); | |
3754 | mutex_lock(&adev->shadow_list_lock); | |
403009bf CK |
3755 | list_for_each_entry(shadow, &adev->shadow_list, shadow_list) { |
3756 | ||
3757 | /* No need to recover an evicted BO */ | |
3758 | if (shadow->tbo.mem.mem_type != TTM_PL_TT || | |
b575f10d | 3759 | shadow->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET || |
403009bf CK |
3760 | shadow->parent->tbo.mem.mem_type != TTM_PL_VRAM) |
3761 | continue; | |
3762 | ||
3763 | r = amdgpu_bo_restore_shadow(shadow, &next); | |
3764 | if (r) | |
3765 | break; | |
3766 | ||
c41d1cf6 | 3767 | if (fence) { |
1712fb1a | 3768 | tmo = dma_fence_wait_timeout(fence, false, tmo); |
403009bf CK |
3769 | dma_fence_put(fence); |
3770 | fence = next; | |
1712fb1a | 3771 | if (tmo == 0) { |
3772 | r = -ETIMEDOUT; | |
c41d1cf6 | 3773 | break; |
1712fb1a | 3774 | } else if (tmo < 0) { |
3775 | r = tmo; | |
3776 | break; | |
3777 | } | |
403009bf CK |
3778 | } else { |
3779 | fence = next; | |
c41d1cf6 | 3780 | } |
c41d1cf6 ML |
3781 | } |
3782 | mutex_unlock(&adev->shadow_list_lock); | |
3783 | ||
403009bf CK |
3784 | if (fence) |
3785 | tmo = dma_fence_wait_timeout(fence, false, tmo); | |
c41d1cf6 ML |
3786 | dma_fence_put(fence); |
3787 | ||
1712fb1a | 3788 | if (r < 0 || tmo <= 0) { |
3789 | DRM_ERROR("recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); | |
403009bf CK |
3790 | return -EIO; |
3791 | } | |
c41d1cf6 | 3792 | |
403009bf CK |
3793 | DRM_INFO("recover vram bo from shadow done\n"); |
3794 | return 0; | |
c41d1cf6 ML |
3795 | } |
3796 | ||
a90ad3c2 | 3797 | |
e3ecdffa | 3798 | /** |
06ec9070 | 3799 | * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf |
5740682e ML |
3800 | * |
3801 | * @adev: amdgpu device pointer | |
87e3f136 | 3802 | * @from_hypervisor: request from hypervisor |
5740682e ML |
3803 | * |
3804 | * do VF FLR and reinitialize Asic | |
3f48c681 | 3805 | * return 0 means succeeded otherwise failed |
e3ecdffa AD |
3806 | */ |
3807 | static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, | |
3808 | bool from_hypervisor) | |
5740682e ML |
3809 | { |
3810 | int r; | |
3811 | ||
3812 | if (from_hypervisor) | |
3813 | r = amdgpu_virt_request_full_gpu(adev, true); | |
3814 | else | |
3815 | r = amdgpu_virt_reset_gpu(adev); | |
3816 | if (r) | |
3817 | return r; | |
a90ad3c2 | 3818 | |
b639c22c JZ |
3819 | amdgpu_amdkfd_pre_reset(adev); |
3820 | ||
a90ad3c2 | 3821 | /* Resume IP prior to SMC */ |
06ec9070 | 3822 | r = amdgpu_device_ip_reinit_early_sriov(adev); |
5740682e ML |
3823 | if (r) |
3824 | goto error; | |
a90ad3c2 | 3825 | |
c9ffa427 | 3826 | amdgpu_virt_init_data_exchange(adev); |
a90ad3c2 | 3827 | /* we need recover gart prior to run SMC/CP/SDMA resume */ |
c1c7ce8f | 3828 | amdgpu_gtt_mgr_recover(&adev->mman.bdev.man[TTM_PL_TT]); |
a90ad3c2 | 3829 | |
7a3e0bb2 RZ |
3830 | r = amdgpu_device_fw_loading(adev); |
3831 | if (r) | |
3832 | return r; | |
3833 | ||
a90ad3c2 | 3834 | /* now we are okay to resume SMC/CP/SDMA */ |
06ec9070 | 3835 | r = amdgpu_device_ip_reinit_late_sriov(adev); |
5740682e ML |
3836 | if (r) |
3837 | goto error; | |
a90ad3c2 ML |
3838 | |
3839 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
5740682e | 3840 | r = amdgpu_ib_ring_tests(adev); |
f81e8d53 | 3841 | amdgpu_amdkfd_post_reset(adev); |
a90ad3c2 | 3842 | |
abc34253 ED |
3843 | error: |
3844 | amdgpu_virt_release_full_gpu(adev, true); | |
c41d1cf6 | 3845 | if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { |
e3526257 | 3846 | amdgpu_inc_vram_lost(adev); |
c33adbc7 | 3847 | r = amdgpu_device_recover_vram(adev); |
a90ad3c2 ML |
3848 | } |
3849 | ||
3850 | return r; | |
3851 | } | |
3852 | ||
12938fad CK |
3853 | /** |
3854 | * amdgpu_device_should_recover_gpu - check if we should try GPU recovery | |
3855 | * | |
3856 | * @adev: amdgpu device pointer | |
3857 | * | |
3858 | * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover | |
3859 | * a hung GPU. | |
3860 | */ | |
3861 | bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) | |
3862 | { | |
3863 | if (!amdgpu_device_ip_check_soft_reset(adev)) { | |
3864 | DRM_INFO("Timeout, but no hardware hang detected.\n"); | |
3865 | return false; | |
3866 | } | |
3867 | ||
3ba7b418 AG |
3868 | if (amdgpu_gpu_recovery == 0) |
3869 | goto disabled; | |
3870 | ||
3871 | if (amdgpu_sriov_vf(adev)) | |
3872 | return true; | |
3873 | ||
3874 | if (amdgpu_gpu_recovery == -1) { | |
3875 | switch (adev->asic_type) { | |
fc42d47c AG |
3876 | case CHIP_BONAIRE: |
3877 | case CHIP_HAWAII: | |
3ba7b418 AG |
3878 | case CHIP_TOPAZ: |
3879 | case CHIP_TONGA: | |
3880 | case CHIP_FIJI: | |
3881 | case CHIP_POLARIS10: | |
3882 | case CHIP_POLARIS11: | |
3883 | case CHIP_POLARIS12: | |
3884 | case CHIP_VEGAM: | |
3885 | case CHIP_VEGA20: | |
3886 | case CHIP_VEGA10: | |
3887 | case CHIP_VEGA12: | |
c43b849f | 3888 | case CHIP_RAVEN: |
e9d4cf91 | 3889 | case CHIP_ARCTURUS: |
2cb44fb0 | 3890 | case CHIP_RENOIR: |
658c6639 AD |
3891 | case CHIP_NAVI10: |
3892 | case CHIP_NAVI14: | |
3893 | case CHIP_NAVI12: | |
3ba7b418 AG |
3894 | break; |
3895 | default: | |
3896 | goto disabled; | |
3897 | } | |
12938fad CK |
3898 | } |
3899 | ||
3900 | return true; | |
3ba7b418 AG |
3901 | |
3902 | disabled: | |
3903 | DRM_INFO("GPU recovery disabled.\n"); | |
3904 | return false; | |
12938fad CK |
3905 | } |
3906 | ||
5c6dd71e | 3907 | |
26bc5340 AG |
3908 | static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, |
3909 | struct amdgpu_job *job, | |
3910 | bool *need_full_reset_arg) | |
3911 | { | |
3912 | int i, r = 0; | |
3913 | bool need_full_reset = *need_full_reset_arg; | |
71182665 | 3914 | |
71182665 | 3915 | /* block all schedulers and reset given job's ring */ |
0875dc9e CZ |
3916 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
3917 | struct amdgpu_ring *ring = adev->rings[i]; | |
3918 | ||
51687759 | 3919 | if (!ring || !ring->sched.thread) |
0875dc9e | 3920 | continue; |
5740682e | 3921 | |
2f9d4084 ML |
3922 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
3923 | amdgpu_fence_driver_force_completion(ring); | |
0875dc9e | 3924 | } |
d38ceaf9 | 3925 | |
222b5f04 AG |
3926 | if(job) |
3927 | drm_sched_increase_karma(&job->base); | |
3928 | ||
1d721ed6 | 3929 | /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ |
26bc5340 AG |
3930 | if (!amdgpu_sriov_vf(adev)) { |
3931 | ||
3932 | if (!need_full_reset) | |
3933 | need_full_reset = amdgpu_device_ip_need_full_reset(adev); | |
3934 | ||
3935 | if (!need_full_reset) { | |
3936 | amdgpu_device_ip_pre_soft_reset(adev); | |
3937 | r = amdgpu_device_ip_soft_reset(adev); | |
3938 | amdgpu_device_ip_post_soft_reset(adev); | |
3939 | if (r || amdgpu_device_ip_check_soft_reset(adev)) { | |
3940 | DRM_INFO("soft reset failed, will fallback to full reset!\n"); | |
3941 | need_full_reset = true; | |
3942 | } | |
3943 | } | |
3944 | ||
3945 | if (need_full_reset) | |
3946 | r = amdgpu_device_ip_suspend(adev); | |
3947 | ||
3948 | *need_full_reset_arg = need_full_reset; | |
3949 | } | |
3950 | ||
3951 | return r; | |
3952 | } | |
3953 | ||
041a62bc | 3954 | static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, |
26bc5340 AG |
3955 | struct list_head *device_list_handle, |
3956 | bool *need_full_reset_arg) | |
3957 | { | |
3958 | struct amdgpu_device *tmp_adev = NULL; | |
3959 | bool need_full_reset = *need_full_reset_arg, vram_lost = false; | |
3960 | int r = 0; | |
3961 | ||
3962 | /* | |
3963 | * ASIC reset has to be done on all HGMI hive nodes ASAP | |
3964 | * to allow proper links negotiation in FW (within 1 sec) | |
3965 | */ | |
3966 | if (need_full_reset) { | |
3967 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
041a62bc | 3968 | /* For XGMI run all resets in parallel to speed up the process */ |
d4535e2c | 3969 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
c96cf282 | 3970 | if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) |
d4535e2c AG |
3971 | r = -EALREADY; |
3972 | } else | |
3973 | r = amdgpu_asic_reset(tmp_adev); | |
d4535e2c | 3974 | |
041a62bc AG |
3975 | if (r) { |
3976 | DRM_ERROR("ASIC reset failed with error, %d for drm dev, %s", | |
3977 | r, tmp_adev->ddev->unique); | |
3978 | break; | |
ce316fa5 LM |
3979 | } |
3980 | } | |
3981 | ||
041a62bc AG |
3982 | /* For XGMI wait for all resets to complete before proceed */ |
3983 | if (!r) { | |
ce316fa5 LM |
3984 | list_for_each_entry(tmp_adev, device_list_handle, |
3985 | gmc.xgmi.head) { | |
3986 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { | |
3987 | flush_work(&tmp_adev->xgmi_reset_work); | |
3988 | r = tmp_adev->asic_reset_res; | |
3989 | if (r) | |
3990 | break; | |
ce316fa5 LM |
3991 | } |
3992 | } | |
3993 | } | |
ce316fa5 | 3994 | } |
26bc5340 | 3995 | |
43c4d576 JC |
3996 | if (!r && amdgpu_ras_intr_triggered()) { |
3997 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
3998 | if (tmp_adev->mmhub.funcs && | |
3999 | tmp_adev->mmhub.funcs->reset_ras_error_count) | |
4000 | tmp_adev->mmhub.funcs->reset_ras_error_count(tmp_adev); | |
4001 | } | |
4002 | ||
00eaa571 | 4003 | amdgpu_ras_intr_cleared(); |
43c4d576 | 4004 | } |
00eaa571 | 4005 | |
26bc5340 AG |
4006 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { |
4007 | if (need_full_reset) { | |
4008 | /* post card */ | |
4009 | if (amdgpu_atom_asic_init(tmp_adev->mode_info.atom_context)) | |
4010 | DRM_WARN("asic atom init failed!"); | |
4011 | ||
4012 | if (!r) { | |
4013 | dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); | |
4014 | r = amdgpu_device_ip_resume_phase1(tmp_adev); | |
4015 | if (r) | |
4016 | goto out; | |
4017 | ||
4018 | vram_lost = amdgpu_device_check_vram_lost(tmp_adev); | |
4019 | if (vram_lost) { | |
77e7f829 | 4020 | DRM_INFO("VRAM is lost due to GPU reset!\n"); |
e3526257 | 4021 | amdgpu_inc_vram_lost(tmp_adev); |
26bc5340 AG |
4022 | } |
4023 | ||
4024 | r = amdgpu_gtt_mgr_recover( | |
4025 | &tmp_adev->mman.bdev.man[TTM_PL_TT]); | |
4026 | if (r) | |
4027 | goto out; | |
4028 | ||
4029 | r = amdgpu_device_fw_loading(tmp_adev); | |
4030 | if (r) | |
4031 | return r; | |
4032 | ||
4033 | r = amdgpu_device_ip_resume_phase2(tmp_adev); | |
4034 | if (r) | |
4035 | goto out; | |
4036 | ||
4037 | if (vram_lost) | |
4038 | amdgpu_device_fill_reset_magic(tmp_adev); | |
4039 | ||
fdafb359 EQ |
4040 | /* |
4041 | * Add this ASIC as tracked as reset was already | |
4042 | * complete successfully. | |
4043 | */ | |
4044 | amdgpu_register_gpu_instance(tmp_adev); | |
4045 | ||
7c04ca50 | 4046 | r = amdgpu_device_ip_late_init(tmp_adev); |
4047 | if (r) | |
4048 | goto out; | |
4049 | ||
565d1941 EQ |
4050 | amdgpu_fbdev_set_suspend(tmp_adev, 0); |
4051 | ||
e79a04d5 | 4052 | /* must succeed. */ |
511fdbc3 | 4053 | amdgpu_ras_resume(tmp_adev); |
e79a04d5 | 4054 | |
26bc5340 AG |
4055 | /* Update PSP FW topology after reset */ |
4056 | if (hive && tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
4057 | r = amdgpu_xgmi_update_topology(hive, tmp_adev); | |
4058 | } | |
4059 | } | |
4060 | ||
4061 | ||
4062 | out: | |
4063 | if (!r) { | |
4064 | amdgpu_irq_gpu_reset_resume_helper(tmp_adev); | |
4065 | r = amdgpu_ib_ring_tests(tmp_adev); | |
4066 | if (r) { | |
4067 | dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); | |
4068 | r = amdgpu_device_ip_suspend(tmp_adev); | |
4069 | need_full_reset = true; | |
4070 | r = -EAGAIN; | |
4071 | goto end; | |
4072 | } | |
4073 | } | |
4074 | ||
4075 | if (!r) | |
4076 | r = amdgpu_device_recover_vram(tmp_adev); | |
4077 | else | |
4078 | tmp_adev->asic_reset_res = r; | |
4079 | } | |
4080 | ||
4081 | end: | |
4082 | *need_full_reset_arg = need_full_reset; | |
4083 | return r; | |
4084 | } | |
4085 | ||
1d721ed6 | 4086 | static bool amdgpu_device_lock_adev(struct amdgpu_device *adev, bool trylock) |
26bc5340 | 4087 | { |
1d721ed6 AG |
4088 | if (trylock) { |
4089 | if (!mutex_trylock(&adev->lock_reset)) | |
4090 | return false; | |
4091 | } else | |
4092 | mutex_lock(&adev->lock_reset); | |
5740682e | 4093 | |
26bc5340 | 4094 | atomic_inc(&adev->gpu_reset_counter); |
2a9b90ae | 4095 | adev->in_gpu_reset = true; |
a3a09142 AD |
4096 | switch (amdgpu_asic_reset_method(adev)) { |
4097 | case AMD_RESET_METHOD_MODE1: | |
4098 | adev->mp1_state = PP_MP1_STATE_SHUTDOWN; | |
4099 | break; | |
4100 | case AMD_RESET_METHOD_MODE2: | |
4101 | adev->mp1_state = PP_MP1_STATE_RESET; | |
4102 | break; | |
4103 | default: | |
4104 | adev->mp1_state = PP_MP1_STATE_NONE; | |
4105 | break; | |
4106 | } | |
1d721ed6 AG |
4107 | |
4108 | return true; | |
26bc5340 | 4109 | } |
d38ceaf9 | 4110 | |
26bc5340 AG |
4111 | static void amdgpu_device_unlock_adev(struct amdgpu_device *adev) |
4112 | { | |
89041940 | 4113 | amdgpu_vf_error_trans_all(adev); |
a3a09142 | 4114 | adev->mp1_state = PP_MP1_STATE_NONE; |
2a9b90ae | 4115 | adev->in_gpu_reset = false; |
13a752e3 | 4116 | mutex_unlock(&adev->lock_reset); |
26bc5340 AG |
4117 | } |
4118 | ||
26bc5340 AG |
4119 | /** |
4120 | * amdgpu_device_gpu_recover - reset the asic and recover scheduler | |
4121 | * | |
4122 | * @adev: amdgpu device pointer | |
4123 | * @job: which job trigger hang | |
4124 | * | |
4125 | * Attempt to reset the GPU if it has hung (all asics). | |
4126 | * Attempt to do soft-reset or full-reset and reinitialize Asic | |
4127 | * Returns 0 for success or an error on failure. | |
4128 | */ | |
4129 | ||
4130 | int amdgpu_device_gpu_recover(struct amdgpu_device *adev, | |
4131 | struct amdgpu_job *job) | |
4132 | { | |
1d721ed6 | 4133 | struct list_head device_list, *device_list_handle = NULL; |
7dd8c205 EQ |
4134 | bool need_full_reset = false; |
4135 | bool job_signaled = false; | |
26bc5340 | 4136 | struct amdgpu_hive_info *hive = NULL; |
26bc5340 | 4137 | struct amdgpu_device *tmp_adev = NULL; |
1d721ed6 | 4138 | int i, r = 0; |
7c6e68c7 | 4139 | bool in_ras_intr = amdgpu_ras_intr_triggered(); |
b823821f LM |
4140 | bool use_baco = |
4141 | (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) ? | |
4142 | true : false; | |
26bc5340 | 4143 | |
d5ea093e AG |
4144 | /* |
4145 | * Flush RAM to disk so that after reboot | |
4146 | * the user can read log and see why the system rebooted. | |
4147 | */ | |
b823821f | 4148 | if (in_ras_intr && !use_baco && amdgpu_ras_get_context(adev)->reboot) { |
d5ea093e AG |
4149 | |
4150 | DRM_WARN("Emergency reboot."); | |
4151 | ||
4152 | ksys_sync_helper(); | |
4153 | emergency_restart(); | |
4154 | } | |
4155 | ||
b823821f LM |
4156 | dev_info(adev->dev, "GPU %s begin!\n", |
4157 | (in_ras_intr && !use_baco) ? "jobs stop":"reset"); | |
26bc5340 AG |
4158 | |
4159 | /* | |
1d721ed6 AG |
4160 | * Here we trylock to avoid chain of resets executing from |
4161 | * either trigger by jobs on different adevs in XGMI hive or jobs on | |
4162 | * different schedulers for same device while this TO handler is running. | |
4163 | * We always reset all schedulers for device and all devices for XGMI | |
4164 | * hive so that should take care of them too. | |
26bc5340 | 4165 | */ |
7dd8c205 | 4166 | hive = amdgpu_get_xgmi_hive(adev, true); |
1d721ed6 AG |
4167 | if (hive && !mutex_trylock(&hive->reset_lock)) { |
4168 | DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", | |
0b2d2c2e | 4169 | job ? job->base.id : -1, hive->hive_id); |
9e94d22c | 4170 | mutex_unlock(&hive->hive_lock); |
26bc5340 | 4171 | return 0; |
1d721ed6 | 4172 | } |
26bc5340 | 4173 | |
9e94d22c EQ |
4174 | /* |
4175 | * Build list of devices to reset. | |
4176 | * In case we are in XGMI hive mode, resort the device list | |
4177 | * to put adev in the 1st position. | |
4178 | */ | |
4179 | INIT_LIST_HEAD(&device_list); | |
4180 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
4181 | if (!hive) | |
26bc5340 | 4182 | return -ENODEV; |
9e94d22c EQ |
4183 | if (!list_is_first(&adev->gmc.xgmi.head, &hive->device_list)) |
4184 | list_rotate_to_front(&adev->gmc.xgmi.head, &hive->device_list); | |
26bc5340 AG |
4185 | device_list_handle = &hive->device_list; |
4186 | } else { | |
4187 | list_add_tail(&adev->gmc.xgmi.head, &device_list); | |
4188 | device_list_handle = &device_list; | |
4189 | } | |
4190 | ||
1d721ed6 AG |
4191 | /* block all schedulers and reset given job's ring */ |
4192 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
9e94d22c EQ |
4193 | if (!amdgpu_device_lock_adev(tmp_adev, !hive)) { |
4194 | DRM_INFO("Bailing on TDR for s_job:%llx, as another already in progress", | |
4195 | job ? job->base.id : -1); | |
4196 | mutex_unlock(&hive->hive_lock); | |
4197 | return 0; | |
7c6e68c7 AG |
4198 | } |
4199 | ||
9e94d22c EQ |
4200 | amdgpu_ras_set_error_query_ready(tmp_adev, false); |
4201 | ||
52fb44cf EQ |
4202 | cancel_delayed_work_sync(&tmp_adev->delayed_init_work); |
4203 | ||
9e94d22c EQ |
4204 | if (!amdgpu_sriov_vf(tmp_adev)) |
4205 | amdgpu_amdkfd_pre_reset(tmp_adev); | |
4206 | ||
12ffa55d AG |
4207 | /* |
4208 | * Mark these ASICs to be reseted as untracked first | |
4209 | * And add them back after reset completed | |
4210 | */ | |
4211 | amdgpu_unregister_gpu_instance(tmp_adev); | |
4212 | ||
a2f63ee8 | 4213 | amdgpu_fbdev_set_suspend(tmp_adev, 1); |
565d1941 | 4214 | |
f1c1314b | 4215 | /* disable ras on ALL IPs */ |
b823821f LM |
4216 | if (!(in_ras_intr && !use_baco) && |
4217 | amdgpu_device_ip_need_full_reset(tmp_adev)) | |
f1c1314b | 4218 | amdgpu_ras_suspend(tmp_adev); |
4219 | ||
1d721ed6 AG |
4220 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4221 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
4222 | ||
4223 | if (!ring || !ring->sched.thread) | |
4224 | continue; | |
4225 | ||
0b2d2c2e | 4226 | drm_sched_stop(&ring->sched, job ? &job->base : NULL); |
7c6e68c7 | 4227 | |
b823821f | 4228 | if (in_ras_intr && !use_baco) |
7c6e68c7 | 4229 | amdgpu_job_stop_all_jobs_on_sched(&ring->sched); |
1d721ed6 AG |
4230 | } |
4231 | } | |
4232 | ||
b823821f | 4233 | if (in_ras_intr && !use_baco) |
7c6e68c7 AG |
4234 | goto skip_sched_resume; |
4235 | ||
1d721ed6 AG |
4236 | /* |
4237 | * Must check guilty signal here since after this point all old | |
4238 | * HW fences are force signaled. | |
4239 | * | |
4240 | * job->base holds a reference to parent fence | |
4241 | */ | |
4242 | if (job && job->base.s_fence->parent && | |
7dd8c205 | 4243 | dma_fence_is_signaled(job->base.s_fence->parent)) { |
1d721ed6 | 4244 | job_signaled = true; |
1d721ed6 AG |
4245 | dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); |
4246 | goto skip_hw_reset; | |
4247 | } | |
4248 | ||
26bc5340 AG |
4249 | retry: /* Rest of adevs pre asic reset from XGMI hive. */ |
4250 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
26bc5340 AG |
4251 | r = amdgpu_device_pre_asic_reset(tmp_adev, |
4252 | NULL, | |
4253 | &need_full_reset); | |
4254 | /*TODO Should we stop ?*/ | |
4255 | if (r) { | |
4256 | DRM_ERROR("GPU pre asic reset failed with err, %d for drm dev, %s ", | |
4257 | r, tmp_adev->ddev->unique); | |
4258 | tmp_adev->asic_reset_res = r; | |
4259 | } | |
4260 | } | |
4261 | ||
4262 | /* Actual ASIC resets if needed.*/ | |
4263 | /* TODO Implement XGMI hive reset logic for SRIOV */ | |
4264 | if (amdgpu_sriov_vf(adev)) { | |
4265 | r = amdgpu_device_reset_sriov(adev, job ? false : true); | |
4266 | if (r) | |
4267 | adev->asic_reset_res = r; | |
4268 | } else { | |
041a62bc | 4269 | r = amdgpu_do_asic_reset(hive, device_list_handle, &need_full_reset); |
26bc5340 AG |
4270 | if (r && r == -EAGAIN) |
4271 | goto retry; | |
4272 | } | |
4273 | ||
1d721ed6 AG |
4274 | skip_hw_reset: |
4275 | ||
26bc5340 AG |
4276 | /* Post ASIC reset for all devs .*/ |
4277 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
7c6e68c7 | 4278 | |
1d721ed6 AG |
4279 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4280 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
4281 | ||
4282 | if (!ring || !ring->sched.thread) | |
4283 | continue; | |
4284 | ||
4285 | /* No point to resubmit jobs if we didn't HW reset*/ | |
4286 | if (!tmp_adev->asic_reset_res && !job_signaled) | |
4287 | drm_sched_resubmit_jobs(&ring->sched); | |
4288 | ||
4289 | drm_sched_start(&ring->sched, !tmp_adev->asic_reset_res); | |
4290 | } | |
4291 | ||
4292 | if (!amdgpu_device_has_dc_support(tmp_adev) && !job_signaled) { | |
4293 | drm_helper_resume_force_mode(tmp_adev->ddev); | |
4294 | } | |
4295 | ||
4296 | tmp_adev->asic_reset_res = 0; | |
26bc5340 AG |
4297 | |
4298 | if (r) { | |
4299 | /* bad news, how to tell it to userspace ? */ | |
12ffa55d | 4300 | dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 AG |
4301 | amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
4302 | } else { | |
12ffa55d | 4303 | dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 | 4304 | } |
7c6e68c7 | 4305 | } |
26bc5340 | 4306 | |
7c6e68c7 AG |
4307 | skip_sched_resume: |
4308 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
4309 | /*unlock kfd: SRIOV would do it separately */ | |
b823821f | 4310 | if (!(in_ras_intr && !use_baco) && !amdgpu_sriov_vf(tmp_adev)) |
7c6e68c7 | 4311 | amdgpu_amdkfd_post_reset(tmp_adev); |
26bc5340 AG |
4312 | amdgpu_device_unlock_adev(tmp_adev); |
4313 | } | |
4314 | ||
9e94d22c | 4315 | if (hive) { |
22d6575b | 4316 | mutex_unlock(&hive->reset_lock); |
9e94d22c EQ |
4317 | mutex_unlock(&hive->hive_lock); |
4318 | } | |
26bc5340 AG |
4319 | |
4320 | if (r) | |
4321 | dev_info(adev->dev, "GPU reset end with ret = %d\n", r); | |
d38ceaf9 AD |
4322 | return r; |
4323 | } | |
4324 | ||
e3ecdffa AD |
4325 | /** |
4326 | * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot | |
4327 | * | |
4328 | * @adev: amdgpu_device pointer | |
4329 | * | |
4330 | * Fetchs and stores in the driver the PCIE capabilities (gen speed | |
4331 | * and lanes) of the slot the device is in. Handles APUs and | |
4332 | * virtualized environments where PCIE config space may not be available. | |
4333 | */ | |
5494d864 | 4334 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) |
d0dd7f0c | 4335 | { |
5d9a6330 | 4336 | struct pci_dev *pdev; |
c5313457 HK |
4337 | enum pci_bus_speed speed_cap, platform_speed_cap; |
4338 | enum pcie_link_width platform_link_width; | |
d0dd7f0c | 4339 | |
cd474ba0 AD |
4340 | if (amdgpu_pcie_gen_cap) |
4341 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 4342 | |
cd474ba0 AD |
4343 | if (amdgpu_pcie_lane_cap) |
4344 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 4345 | |
cd474ba0 AD |
4346 | /* covers APUs as well */ |
4347 | if (pci_is_root_bus(adev->pdev->bus)) { | |
4348 | if (adev->pm.pcie_gen_mask == 0) | |
4349 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
4350 | if (adev->pm.pcie_mlw_mask == 0) | |
4351 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 4352 | return; |
cd474ba0 | 4353 | } |
d0dd7f0c | 4354 | |
c5313457 HK |
4355 | if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) |
4356 | return; | |
4357 | ||
dbaa922b AD |
4358 | pcie_bandwidth_available(adev->pdev, NULL, |
4359 | &platform_speed_cap, &platform_link_width); | |
c5313457 | 4360 | |
cd474ba0 | 4361 | if (adev->pm.pcie_gen_mask == 0) { |
5d9a6330 AD |
4362 | /* asic caps */ |
4363 | pdev = adev->pdev; | |
4364 | speed_cap = pcie_get_speed_cap(pdev); | |
4365 | if (speed_cap == PCI_SPEED_UNKNOWN) { | |
4366 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
cd474ba0 AD |
4367 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | |
4368 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
cd474ba0 | 4369 | } else { |
5d9a6330 AD |
4370 | if (speed_cap == PCIE_SPEED_16_0GT) |
4371 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4372 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4373 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
4374 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
4375 | else if (speed_cap == PCIE_SPEED_8_0GT) | |
4376 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4377 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4378 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
4379 | else if (speed_cap == PCIE_SPEED_5_0GT) | |
4380 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4381 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4382 | else | |
4383 | adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
4384 | } | |
4385 | /* platform caps */ | |
c5313457 | 4386 | if (platform_speed_cap == PCI_SPEED_UNKNOWN) { |
5d9a6330 AD |
4387 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4388 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4389 | } else { | |
c5313457 | 4390 | if (platform_speed_cap == PCIE_SPEED_16_0GT) |
5d9a6330 AD |
4391 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4392 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4393 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
4394 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
c5313457 | 4395 | else if (platform_speed_cap == PCIE_SPEED_8_0GT) |
5d9a6330 AD |
4396 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4397 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4398 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
c5313457 | 4399 | else if (platform_speed_cap == PCIE_SPEED_5_0GT) |
5d9a6330 AD |
4400 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4401 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4402 | else | |
4403 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
4404 | ||
cd474ba0 AD |
4405 | } |
4406 | } | |
4407 | if (adev->pm.pcie_mlw_mask == 0) { | |
c5313457 | 4408 | if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { |
5d9a6330 AD |
4409 | adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; |
4410 | } else { | |
c5313457 | 4411 | switch (platform_link_width) { |
5d9a6330 | 4412 | case PCIE_LNK_X32: |
cd474ba0 AD |
4413 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | |
4414 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
4415 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
4416 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4417 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4418 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4419 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4420 | break; | |
5d9a6330 | 4421 | case PCIE_LNK_X16: |
cd474ba0 AD |
4422 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | |
4423 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
4424 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4425 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4426 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4427 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4428 | break; | |
5d9a6330 | 4429 | case PCIE_LNK_X12: |
cd474ba0 AD |
4430 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | |
4431 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4432 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4433 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4434 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4435 | break; | |
5d9a6330 | 4436 | case PCIE_LNK_X8: |
cd474ba0 AD |
4437 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | |
4438 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4439 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4440 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4441 | break; | |
5d9a6330 | 4442 | case PCIE_LNK_X4: |
cd474ba0 AD |
4443 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | |
4444 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4445 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4446 | break; | |
5d9a6330 | 4447 | case PCIE_LNK_X2: |
cd474ba0 AD |
4448 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | |
4449 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4450 | break; | |
5d9a6330 | 4451 | case PCIE_LNK_X1: |
cd474ba0 AD |
4452 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; |
4453 | break; | |
4454 | default: | |
4455 | break; | |
4456 | } | |
d0dd7f0c AD |
4457 | } |
4458 | } | |
4459 | } | |
d38ceaf9 | 4460 | |
361dbd01 AD |
4461 | int amdgpu_device_baco_enter(struct drm_device *dev) |
4462 | { | |
4463 | struct amdgpu_device *adev = dev->dev_private; | |
7a22677b | 4464 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
361dbd01 AD |
4465 | |
4466 | if (!amdgpu_device_supports_baco(adev->ddev)) | |
4467 | return -ENOTSUPP; | |
4468 | ||
7a22677b LM |
4469 | if (ras && ras->supported) |
4470 | adev->nbio.funcs->enable_doorbell_interrupt(adev, false); | |
4471 | ||
9530273e | 4472 | return amdgpu_dpm_baco_enter(adev); |
361dbd01 AD |
4473 | } |
4474 | ||
4475 | int amdgpu_device_baco_exit(struct drm_device *dev) | |
4476 | { | |
4477 | struct amdgpu_device *adev = dev->dev_private; | |
7a22677b | 4478 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
9530273e | 4479 | int ret = 0; |
361dbd01 AD |
4480 | |
4481 | if (!amdgpu_device_supports_baco(adev->ddev)) | |
4482 | return -ENOTSUPP; | |
4483 | ||
9530273e EQ |
4484 | ret = amdgpu_dpm_baco_exit(adev); |
4485 | if (ret) | |
4486 | return ret; | |
7a22677b LM |
4487 | |
4488 | if (ras && ras->supported) | |
4489 | adev->nbio.funcs->enable_doorbell_interrupt(adev, true); | |
4490 | ||
4491 | return 0; | |
361dbd01 | 4492 | } |