Commit | Line | Data |
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d38ceaf9 AD |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
b1ddf548 | 28 | #include <linux/power_supply.h> |
0875dc9e | 29 | #include <linux/kthread.h> |
fdf2f6c5 | 30 | #include <linux/module.h> |
d38ceaf9 AD |
31 | #include <linux/console.h> |
32 | #include <linux/slab.h> | |
fdf2f6c5 | 33 | |
4562236b | 34 | #include <drm/drm_atomic_helper.h> |
fcd70cd3 | 35 | #include <drm/drm_probe_helper.h> |
d38ceaf9 AD |
36 | #include <drm/amdgpu_drm.h> |
37 | #include <linux/vgaarb.h> | |
38 | #include <linux/vga_switcheroo.h> | |
39 | #include <linux/efi.h> | |
40 | #include "amdgpu.h" | |
f4b373f4 | 41 | #include "amdgpu_trace.h" |
d38ceaf9 AD |
42 | #include "amdgpu_i2c.h" |
43 | #include "atom.h" | |
44 | #include "amdgpu_atombios.h" | |
a5bde2f9 | 45 | #include "amdgpu_atomfirmware.h" |
d0dd7f0c | 46 | #include "amd_pcie.h" |
33f34802 KW |
47 | #ifdef CONFIG_DRM_AMDGPU_SI |
48 | #include "si.h" | |
49 | #endif | |
a2e73f56 AD |
50 | #ifdef CONFIG_DRM_AMDGPU_CIK |
51 | #include "cik.h" | |
52 | #endif | |
aaa36a97 | 53 | #include "vi.h" |
460826e6 | 54 | #include "soc15.h" |
0a5b8c7b | 55 | #include "nv.h" |
d38ceaf9 | 56 | #include "bif/bif_4_1_d.h" |
9accf2fd | 57 | #include <linux/pci.h> |
bec86378 | 58 | #include <linux/firmware.h> |
89041940 | 59 | #include "amdgpu_vf_error.h" |
d38ceaf9 | 60 | |
ba997709 | 61 | #include "amdgpu_amdkfd.h" |
d2f52ac8 | 62 | #include "amdgpu_pm.h" |
d38ceaf9 | 63 | |
5183411b | 64 | #include "amdgpu_xgmi.h" |
c030f2e4 | 65 | #include "amdgpu_ras.h" |
9c7c85f7 | 66 | #include "amdgpu_pmu.h" |
bd607166 | 67 | #include "amdgpu_fru_eeprom.h" |
5183411b | 68 | |
d5ea093e | 69 | #include <linux/suspend.h> |
c6a6e2db | 70 | #include <drm/task_barrier.h> |
3f12acc8 | 71 | #include <linux/pm_runtime.h> |
d5ea093e | 72 | |
e2a75f88 | 73 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
3f76dced | 74 | MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); |
2d2e5e7e | 75 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
ad5a67a7 | 76 | MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin"); |
54c4d17e | 77 | MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin"); |
65e60f6e | 78 | MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin"); |
b51a26a0 | 79 | MODULE_FIRMWARE("amdgpu/renoir_gpu_info.bin"); |
23c6268e | 80 | MODULE_FIRMWARE("amdgpu/navi10_gpu_info.bin"); |
ed42cfe1 | 81 | MODULE_FIRMWARE("amdgpu/navi14_gpu_info.bin"); |
42b325e5 | 82 | MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); |
c0a43457 | 83 | MODULE_FIRMWARE("amdgpu/sienna_cichlid_gpu_info.bin"); |
120eb833 | 84 | MODULE_FIRMWARE("amdgpu/navy_flounder_gpu_info.bin"); |
e2a75f88 | 85 | |
2dc80b00 S |
86 | #define AMDGPU_RESUME_MS 2000 |
87 | ||
050091ab | 88 | const char *amdgpu_asic_name[] = { |
da69c161 KW |
89 | "TAHITI", |
90 | "PITCAIRN", | |
91 | "VERDE", | |
92 | "OLAND", | |
93 | "HAINAN", | |
d38ceaf9 AD |
94 | "BONAIRE", |
95 | "KAVERI", | |
96 | "KABINI", | |
97 | "HAWAII", | |
98 | "MULLINS", | |
99 | "TOPAZ", | |
100 | "TONGA", | |
48299f95 | 101 | "FIJI", |
d38ceaf9 | 102 | "CARRIZO", |
139f4917 | 103 | "STONEY", |
2cc0c0b5 FC |
104 | "POLARIS10", |
105 | "POLARIS11", | |
c4642a47 | 106 | "POLARIS12", |
48ff108d | 107 | "VEGAM", |
d4196f01 | 108 | "VEGA10", |
8fab806a | 109 | "VEGA12", |
956fcddc | 110 | "VEGA20", |
2ca8a5d2 | 111 | "RAVEN", |
d6c3b24e | 112 | "ARCTURUS", |
1eee4228 | 113 | "RENOIR", |
852a6626 | 114 | "NAVI10", |
87dbad02 | 115 | "NAVI14", |
9802f5d7 | 116 | "NAVI12", |
ccaf72d3 | 117 | "SIENNA_CICHLID", |
ddd8fbe7 | 118 | "NAVY_FLOUNDER", |
d38ceaf9 AD |
119 | "LAST", |
120 | }; | |
121 | ||
dcea6e65 KR |
122 | /** |
123 | * DOC: pcie_replay_count | |
124 | * | |
125 | * The amdgpu driver provides a sysfs API for reporting the total number | |
126 | * of PCIe replays (NAKs) | |
127 | * The file pcie_replay_count is used for this and returns the total | |
128 | * number of replays as a sum of the NAKs generated and NAKs received | |
129 | */ | |
130 | ||
131 | static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, | |
132 | struct device_attribute *attr, char *buf) | |
133 | { | |
134 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 135 | struct amdgpu_device *adev = drm_to_adev(ddev); |
dcea6e65 KR |
136 | uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); |
137 | ||
138 | return snprintf(buf, PAGE_SIZE, "%llu\n", cnt); | |
139 | } | |
140 | ||
141 | static DEVICE_ATTR(pcie_replay_count, S_IRUGO, | |
142 | amdgpu_device_get_pcie_replay_count, NULL); | |
143 | ||
5494d864 AD |
144 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); |
145 | ||
bd607166 KR |
146 | /** |
147 | * DOC: product_name | |
148 | * | |
149 | * The amdgpu driver provides a sysfs API for reporting the product name | |
150 | * for the device | |
151 | * The file serial_number is used for this and returns the product name | |
152 | * as returned from the FRU. | |
153 | * NOTE: This is only available for certain server cards | |
154 | */ | |
155 | ||
156 | static ssize_t amdgpu_device_get_product_name(struct device *dev, | |
157 | struct device_attribute *attr, char *buf) | |
158 | { | |
159 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 160 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 KR |
161 | |
162 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_name); | |
163 | } | |
164 | ||
165 | static DEVICE_ATTR(product_name, S_IRUGO, | |
166 | amdgpu_device_get_product_name, NULL); | |
167 | ||
168 | /** | |
169 | * DOC: product_number | |
170 | * | |
171 | * The amdgpu driver provides a sysfs API for reporting the part number | |
172 | * for the device | |
173 | * The file serial_number is used for this and returns the part number | |
174 | * as returned from the FRU. | |
175 | * NOTE: This is only available for certain server cards | |
176 | */ | |
177 | ||
178 | static ssize_t amdgpu_device_get_product_number(struct device *dev, | |
179 | struct device_attribute *attr, char *buf) | |
180 | { | |
181 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 182 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 KR |
183 | |
184 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_number); | |
185 | } | |
186 | ||
187 | static DEVICE_ATTR(product_number, S_IRUGO, | |
188 | amdgpu_device_get_product_number, NULL); | |
189 | ||
190 | /** | |
191 | * DOC: serial_number | |
192 | * | |
193 | * The amdgpu driver provides a sysfs API for reporting the serial number | |
194 | * for the device | |
195 | * The file serial_number is used for this and returns the serial number | |
196 | * as returned from the FRU. | |
197 | * NOTE: This is only available for certain server cards | |
198 | */ | |
199 | ||
200 | static ssize_t amdgpu_device_get_serial_number(struct device *dev, | |
201 | struct device_attribute *attr, char *buf) | |
202 | { | |
203 | struct drm_device *ddev = dev_get_drvdata(dev); | |
1348969a | 204 | struct amdgpu_device *adev = drm_to_adev(ddev); |
bd607166 KR |
205 | |
206 | return snprintf(buf, PAGE_SIZE, "%s\n", adev->serial); | |
207 | } | |
208 | ||
209 | static DEVICE_ATTR(serial_number, S_IRUGO, | |
210 | amdgpu_device_get_serial_number, NULL); | |
211 | ||
e3ecdffa | 212 | /** |
31af062a | 213 | * amdgpu_device_supports_boco - Is the device a dGPU with HG/PX power control |
e3ecdffa AD |
214 | * |
215 | * @dev: drm_device pointer | |
216 | * | |
217 | * Returns true if the device is a dGPU with HG/PX power control, | |
218 | * otherwise return false. | |
219 | */ | |
31af062a | 220 | bool amdgpu_device_supports_boco(struct drm_device *dev) |
d38ceaf9 | 221 | { |
1348969a | 222 | struct amdgpu_device *adev = drm_to_adev(dev); |
d38ceaf9 | 223 | |
2f7d10b3 | 224 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
225 | return true; |
226 | return false; | |
227 | } | |
228 | ||
a69cba42 AD |
229 | /** |
230 | * amdgpu_device_supports_baco - Does the device support BACO | |
231 | * | |
232 | * @dev: drm_device pointer | |
233 | * | |
234 | * Returns true if the device supporte BACO, | |
235 | * otherwise return false. | |
236 | */ | |
237 | bool amdgpu_device_supports_baco(struct drm_device *dev) | |
238 | { | |
1348969a | 239 | struct amdgpu_device *adev = drm_to_adev(dev); |
a69cba42 AD |
240 | |
241 | return amdgpu_asic_supports_baco(adev); | |
242 | } | |
243 | ||
e35e2b11 TY |
244 | /** |
245 | * VRAM access helper functions. | |
246 | * | |
247 | * amdgpu_device_vram_access - read/write a buffer in vram | |
248 | * | |
249 | * @adev: amdgpu_device pointer | |
250 | * @pos: offset of the buffer in vram | |
251 | * @buf: virtual address of the buffer in system memory | |
252 | * @size: read/write size, sizeof(@buf) must > @size | |
253 | * @write: true - write to vram, otherwise - read from vram | |
254 | */ | |
255 | void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, | |
256 | uint32_t *buf, size_t size, bool write) | |
257 | { | |
e35e2b11 | 258 | unsigned long flags; |
ce05ac56 CK |
259 | uint32_t hi = ~0; |
260 | uint64_t last; | |
261 | ||
9d11eb0d CK |
262 | |
263 | #ifdef CONFIG_64BIT | |
264 | last = min(pos + size, adev->gmc.visible_vram_size); | |
265 | if (last > pos) { | |
266 | void __iomem *addr = adev->mman.aper_base_kaddr + pos; | |
267 | size_t count = last - pos; | |
268 | ||
269 | if (write) { | |
270 | memcpy_toio(addr, buf, count); | |
271 | mb(); | |
272 | amdgpu_asic_flush_hdp(adev, NULL); | |
273 | } else { | |
274 | amdgpu_asic_invalidate_hdp(adev, NULL); | |
275 | mb(); | |
276 | memcpy_fromio(buf, addr, count); | |
277 | } | |
278 | ||
279 | if (count == size) | |
280 | return; | |
281 | ||
282 | pos += count; | |
283 | buf += count / 4; | |
284 | size -= count; | |
285 | } | |
286 | #endif | |
287 | ||
ce05ac56 CK |
288 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); |
289 | for (last = pos + size; pos < last; pos += 4) { | |
290 | uint32_t tmp = pos >> 31; | |
e35e2b11 | 291 | |
e35e2b11 | 292 | WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); |
ce05ac56 CK |
293 | if (tmp != hi) { |
294 | WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); | |
295 | hi = tmp; | |
296 | } | |
e35e2b11 TY |
297 | if (write) |
298 | WREG32_NO_KIQ(mmMM_DATA, *buf++); | |
299 | else | |
300 | *buf++ = RREG32_NO_KIQ(mmMM_DATA); | |
e35e2b11 | 301 | } |
ce05ac56 | 302 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); |
e35e2b11 TY |
303 | } |
304 | ||
d38ceaf9 | 305 | /* |
e78b579d | 306 | * MMIO register access helper functions. |
d38ceaf9 | 307 | */ |
e3ecdffa | 308 | /** |
e78b579d | 309 | * amdgpu_mm_rreg - read a memory mapped IO register |
e3ecdffa AD |
310 | * |
311 | * @adev: amdgpu_device pointer | |
312 | * @reg: dword aligned register offset | |
313 | * @acc_flags: access flags which require special behavior | |
314 | * | |
315 | * Returns the 32 bit value from the offset specified. | |
316 | */ | |
e78b579d HZ |
317 | uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, |
318 | uint32_t acc_flags) | |
d38ceaf9 | 319 | { |
f4b373f4 TSD |
320 | uint32_t ret; |
321 | ||
bf36b52e AG |
322 | if (adev->in_pci_err_recovery) |
323 | return 0; | |
324 | ||
81202807 DL |
325 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev) && |
326 | down_read_trylock(&adev->reset_sem)) { | |
327 | ret = amdgpu_kiq_rreg(adev, reg); | |
328 | up_read(&adev->reset_sem); | |
329 | return ret; | |
330 | } | |
bc992ba5 | 331 | |
ec59847e | 332 | if ((reg * 4) < adev->rmmio_size) |
f4b373f4 | 333 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); |
e78b579d HZ |
334 | else { |
335 | unsigned long flags; | |
336 | ||
337 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
338 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
339 | ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
340 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
341 | } | |
81202807 | 342 | |
e78b579d | 343 | trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret); |
f4b373f4 | 344 | return ret; |
d38ceaf9 AD |
345 | } |
346 | ||
421a2a30 ML |
347 | /* |
348 | * MMIO register read with bytes helper functions | |
349 | * @offset:bytes offset from MMIO start | |
350 | * | |
351 | */ | |
352 | ||
e3ecdffa AD |
353 | /** |
354 | * amdgpu_mm_rreg8 - read a memory mapped IO register | |
355 | * | |
356 | * @adev: amdgpu_device pointer | |
357 | * @offset: byte aligned register offset | |
358 | * | |
359 | * Returns the 8 bit value from the offset specified. | |
360 | */ | |
7cbbc745 AG |
361 | uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) |
362 | { | |
bf36b52e AG |
363 | if (adev->in_pci_err_recovery) |
364 | return 0; | |
365 | ||
421a2a30 ML |
366 | if (offset < adev->rmmio_size) |
367 | return (readb(adev->rmmio + offset)); | |
368 | BUG(); | |
369 | } | |
370 | ||
371 | /* | |
372 | * MMIO register write with bytes helper functions | |
373 | * @offset:bytes offset from MMIO start | |
374 | * @value: the value want to be written to the register | |
375 | * | |
376 | */ | |
e3ecdffa AD |
377 | /** |
378 | * amdgpu_mm_wreg8 - read a memory mapped IO register | |
379 | * | |
380 | * @adev: amdgpu_device pointer | |
381 | * @offset: byte aligned register offset | |
382 | * @value: 8 bit value to write | |
383 | * | |
384 | * Writes the value specified to the offset specified. | |
385 | */ | |
7cbbc745 AG |
386 | void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) |
387 | { | |
bf36b52e AG |
388 | if (adev->in_pci_err_recovery) |
389 | return; | |
390 | ||
421a2a30 ML |
391 | if (offset < adev->rmmio_size) |
392 | writeb(value, adev->rmmio + offset); | |
393 | else | |
394 | BUG(); | |
395 | } | |
396 | ||
e230ac11 ND |
397 | static inline void amdgpu_mm_wreg_mmio(struct amdgpu_device *adev, |
398 | uint32_t reg, uint32_t v, | |
399 | uint32_t acc_flags) | |
2e0cc4d4 | 400 | { |
bf36b52e AG |
401 | if (adev->in_pci_err_recovery) |
402 | return; | |
403 | ||
e78b579d | 404 | trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); |
2e0cc4d4 | 405 | |
ec59847e | 406 | if ((reg * 4) < adev->rmmio_size) |
2e0cc4d4 | 407 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); |
e78b579d HZ |
408 | else { |
409 | unsigned long flags; | |
410 | ||
411 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
412 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
413 | writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
414 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
415 | } | |
2e0cc4d4 ML |
416 | } |
417 | ||
e3ecdffa | 418 | /** |
e78b579d | 419 | * amdgpu_mm_wreg - write to a memory mapped IO register |
e3ecdffa AD |
420 | * |
421 | * @adev: amdgpu_device pointer | |
422 | * @reg: dword aligned register offset | |
423 | * @v: 32 bit value to write to the register | |
424 | * @acc_flags: access flags which require special behavior | |
425 | * | |
426 | * Writes the value specified to the offset specified. | |
427 | */ | |
e78b579d HZ |
428 | void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, |
429 | uint32_t acc_flags) | |
d38ceaf9 | 430 | { |
bf36b52e AG |
431 | if (adev->in_pci_err_recovery) |
432 | return; | |
433 | ||
81202807 DL |
434 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev) && |
435 | down_read_trylock(&adev->reset_sem)) { | |
436 | amdgpu_kiq_wreg(adev, reg, v); | |
437 | up_read(&adev->reset_sem); | |
438 | return; | |
439 | } | |
bc992ba5 | 440 | |
e78b579d | 441 | amdgpu_mm_wreg_mmio(adev, reg, v, acc_flags); |
2e0cc4d4 | 442 | } |
d38ceaf9 | 443 | |
2e0cc4d4 ML |
444 | /* |
445 | * amdgpu_mm_wreg_mmio_rlc - write register either with mmio or with RLC path if in range | |
446 | * | |
447 | * this function is invoked only the debugfs register access | |
448 | * */ | |
449 | void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, uint32_t reg, uint32_t v, | |
450 | uint32_t acc_flags) | |
451 | { | |
bf36b52e AG |
452 | if (adev->in_pci_err_recovery) |
453 | return; | |
454 | ||
2e0cc4d4 ML |
455 | if (amdgpu_sriov_fullaccess(adev) && |
456 | adev->gfx.rlc.funcs && | |
457 | adev->gfx.rlc.funcs->is_rlcg_access_range) { | |
47ed4e1c | 458 | |
2e0cc4d4 ML |
459 | if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) |
460 | return adev->gfx.rlc.funcs->rlcg_wreg(adev, reg, v); | |
47ed4e1c | 461 | } |
2e0cc4d4 | 462 | |
e78b579d | 463 | amdgpu_mm_wreg_mmio(adev, reg, v, acc_flags); |
d38ceaf9 AD |
464 | } |
465 | ||
e3ecdffa AD |
466 | /** |
467 | * amdgpu_io_rreg - read an IO register | |
468 | * | |
469 | * @adev: amdgpu_device pointer | |
470 | * @reg: dword aligned register offset | |
471 | * | |
472 | * Returns the 32 bit value from the offset specified. | |
473 | */ | |
d38ceaf9 AD |
474 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) |
475 | { | |
bf36b52e AG |
476 | if (adev->in_pci_err_recovery) |
477 | return 0; | |
478 | ||
d38ceaf9 AD |
479 | if ((reg * 4) < adev->rio_mem_size) |
480 | return ioread32(adev->rio_mem + (reg * 4)); | |
481 | else { | |
482 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
483 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
484 | } | |
485 | } | |
486 | ||
e3ecdffa AD |
487 | /** |
488 | * amdgpu_io_wreg - write to an IO register | |
489 | * | |
490 | * @adev: amdgpu_device pointer | |
491 | * @reg: dword aligned register offset | |
492 | * @v: 32 bit value to write to the register | |
493 | * | |
494 | * Writes the value specified to the offset specified. | |
495 | */ | |
d38ceaf9 AD |
496 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) |
497 | { | |
bf36b52e AG |
498 | if (adev->in_pci_err_recovery) |
499 | return; | |
500 | ||
d38ceaf9 AD |
501 | if ((reg * 4) < adev->rio_mem_size) |
502 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
503 | else { | |
504 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
505 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
506 | } | |
507 | } | |
508 | ||
509 | /** | |
510 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
511 | * | |
512 | * @adev: amdgpu_device pointer | |
513 | * @index: doorbell index | |
514 | * | |
515 | * Returns the value in the doorbell aperture at the | |
516 | * requested doorbell index (CIK). | |
517 | */ | |
518 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
519 | { | |
bf36b52e AG |
520 | if (adev->in_pci_err_recovery) |
521 | return 0; | |
522 | ||
d38ceaf9 AD |
523 | if (index < adev->doorbell.num_doorbells) { |
524 | return readl(adev->doorbell.ptr + index); | |
525 | } else { | |
526 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
527 | return 0; | |
528 | } | |
529 | } | |
530 | ||
531 | /** | |
532 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
533 | * | |
534 | * @adev: amdgpu_device pointer | |
535 | * @index: doorbell index | |
536 | * @v: value to write | |
537 | * | |
538 | * Writes @v to the doorbell aperture at the | |
539 | * requested doorbell index (CIK). | |
540 | */ | |
541 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
542 | { | |
bf36b52e AG |
543 | if (adev->in_pci_err_recovery) |
544 | return; | |
545 | ||
d38ceaf9 AD |
546 | if (index < adev->doorbell.num_doorbells) { |
547 | writel(v, adev->doorbell.ptr + index); | |
548 | } else { | |
549 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
550 | } | |
551 | } | |
552 | ||
832be404 KW |
553 | /** |
554 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
555 | * | |
556 | * @adev: amdgpu_device pointer | |
557 | * @index: doorbell index | |
558 | * | |
559 | * Returns the value in the doorbell aperture at the | |
560 | * requested doorbell index (VEGA10+). | |
561 | */ | |
562 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
563 | { | |
bf36b52e AG |
564 | if (adev->in_pci_err_recovery) |
565 | return 0; | |
566 | ||
832be404 KW |
567 | if (index < adev->doorbell.num_doorbells) { |
568 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
569 | } else { | |
570 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
571 | return 0; | |
572 | } | |
573 | } | |
574 | ||
575 | /** | |
576 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
577 | * | |
578 | * @adev: amdgpu_device pointer | |
579 | * @index: doorbell index | |
580 | * @v: value to write | |
581 | * | |
582 | * Writes @v to the doorbell aperture at the | |
583 | * requested doorbell index (VEGA10+). | |
584 | */ | |
585 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
586 | { | |
bf36b52e AG |
587 | if (adev->in_pci_err_recovery) |
588 | return; | |
589 | ||
832be404 KW |
590 | if (index < adev->doorbell.num_doorbells) { |
591 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
592 | } else { | |
593 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
594 | } | |
595 | } | |
596 | ||
d38ceaf9 AD |
597 | /** |
598 | * amdgpu_invalid_rreg - dummy reg read function | |
599 | * | |
600 | * @adev: amdgpu device pointer | |
601 | * @reg: offset of register | |
602 | * | |
603 | * Dummy register read function. Used for register blocks | |
604 | * that certain asics don't have (all asics). | |
605 | * Returns the value in the register. | |
606 | */ | |
607 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
608 | { | |
609 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
610 | BUG(); | |
611 | return 0; | |
612 | } | |
613 | ||
614 | /** | |
615 | * amdgpu_invalid_wreg - dummy reg write function | |
616 | * | |
617 | * @adev: amdgpu device pointer | |
618 | * @reg: offset of register | |
619 | * @v: value to write to the register | |
620 | * | |
621 | * Dummy register read function. Used for register blocks | |
622 | * that certain asics don't have (all asics). | |
623 | */ | |
624 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
625 | { | |
626 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
627 | reg, v); | |
628 | BUG(); | |
629 | } | |
630 | ||
4fa1c6a6 TZ |
631 | /** |
632 | * amdgpu_invalid_rreg64 - dummy 64 bit reg read function | |
633 | * | |
634 | * @adev: amdgpu device pointer | |
635 | * @reg: offset of register | |
636 | * | |
637 | * Dummy register read function. Used for register blocks | |
638 | * that certain asics don't have (all asics). | |
639 | * Returns the value in the register. | |
640 | */ | |
641 | static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) | |
642 | { | |
643 | DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg); | |
644 | BUG(); | |
645 | return 0; | |
646 | } | |
647 | ||
648 | /** | |
649 | * amdgpu_invalid_wreg64 - dummy reg write function | |
650 | * | |
651 | * @adev: amdgpu device pointer | |
652 | * @reg: offset of register | |
653 | * @v: value to write to the register | |
654 | * | |
655 | * Dummy register read function. Used for register blocks | |
656 | * that certain asics don't have (all asics). | |
657 | */ | |
658 | static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v) | |
659 | { | |
660 | DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n", | |
661 | reg, v); | |
662 | BUG(); | |
663 | } | |
664 | ||
d38ceaf9 AD |
665 | /** |
666 | * amdgpu_block_invalid_rreg - dummy reg read function | |
667 | * | |
668 | * @adev: amdgpu device pointer | |
669 | * @block: offset of instance | |
670 | * @reg: offset of register | |
671 | * | |
672 | * Dummy register read function. Used for register blocks | |
673 | * that certain asics don't have (all asics). | |
674 | * Returns the value in the register. | |
675 | */ | |
676 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
677 | uint32_t block, uint32_t reg) | |
678 | { | |
679 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
680 | reg, block); | |
681 | BUG(); | |
682 | return 0; | |
683 | } | |
684 | ||
685 | /** | |
686 | * amdgpu_block_invalid_wreg - dummy reg write function | |
687 | * | |
688 | * @adev: amdgpu device pointer | |
689 | * @block: offset of instance | |
690 | * @reg: offset of register | |
691 | * @v: value to write to the register | |
692 | * | |
693 | * Dummy register read function. Used for register blocks | |
694 | * that certain asics don't have (all asics). | |
695 | */ | |
696 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
697 | uint32_t block, | |
698 | uint32_t reg, uint32_t v) | |
699 | { | |
700 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
701 | reg, block, v); | |
702 | BUG(); | |
703 | } | |
704 | ||
4d2997ab AD |
705 | /** |
706 | * amdgpu_device_asic_init - Wrapper for atom asic_init | |
707 | * | |
708 | * @dev: drm_device pointer | |
709 | * | |
710 | * Does any asic specific work and then calls atom asic init. | |
711 | */ | |
712 | static int amdgpu_device_asic_init(struct amdgpu_device *adev) | |
713 | { | |
714 | amdgpu_asic_pre_asic_init(adev); | |
715 | ||
716 | return amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
717 | } | |
718 | ||
e3ecdffa AD |
719 | /** |
720 | * amdgpu_device_vram_scratch_init - allocate the VRAM scratch page | |
721 | * | |
722 | * @adev: amdgpu device pointer | |
723 | * | |
724 | * Allocates a scratch page of VRAM for use by various things in the | |
725 | * driver. | |
726 | */ | |
06ec9070 | 727 | static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) |
d38ceaf9 | 728 | { |
a4a02777 CK |
729 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
730 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, | |
731 | &adev->vram_scratch.robj, | |
732 | &adev->vram_scratch.gpu_addr, | |
733 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
734 | } |
735 | ||
e3ecdffa AD |
736 | /** |
737 | * amdgpu_device_vram_scratch_fini - Free the VRAM scratch page | |
738 | * | |
739 | * @adev: amdgpu device pointer | |
740 | * | |
741 | * Frees the VRAM scratch page. | |
742 | */ | |
06ec9070 | 743 | static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev) |
d38ceaf9 | 744 | { |
078af1a3 | 745 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
746 | } |
747 | ||
748 | /** | |
9c3f2b54 | 749 | * amdgpu_device_program_register_sequence - program an array of registers. |
d38ceaf9 AD |
750 | * |
751 | * @adev: amdgpu_device pointer | |
752 | * @registers: pointer to the register array | |
753 | * @array_size: size of the register array | |
754 | * | |
755 | * Programs an array or registers with and and or masks. | |
756 | * This is a helper for setting golden registers. | |
757 | */ | |
9c3f2b54 AD |
758 | void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, |
759 | const u32 *registers, | |
760 | const u32 array_size) | |
d38ceaf9 AD |
761 | { |
762 | u32 tmp, reg, and_mask, or_mask; | |
763 | int i; | |
764 | ||
765 | if (array_size % 3) | |
766 | return; | |
767 | ||
768 | for (i = 0; i < array_size; i +=3) { | |
769 | reg = registers[i + 0]; | |
770 | and_mask = registers[i + 1]; | |
771 | or_mask = registers[i + 2]; | |
772 | ||
773 | if (and_mask == 0xffffffff) { | |
774 | tmp = or_mask; | |
775 | } else { | |
776 | tmp = RREG32(reg); | |
777 | tmp &= ~and_mask; | |
e0d07657 HZ |
778 | if (adev->family >= AMDGPU_FAMILY_AI) |
779 | tmp |= (or_mask & and_mask); | |
780 | else | |
781 | tmp |= or_mask; | |
d38ceaf9 AD |
782 | } |
783 | WREG32(reg, tmp); | |
784 | } | |
785 | } | |
786 | ||
e3ecdffa AD |
787 | /** |
788 | * amdgpu_device_pci_config_reset - reset the GPU | |
789 | * | |
790 | * @adev: amdgpu_device pointer | |
791 | * | |
792 | * Resets the GPU using the pci config reset sequence. | |
793 | * Only applicable to asics prior to vega10. | |
794 | */ | |
8111c387 | 795 | void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) |
d38ceaf9 AD |
796 | { |
797 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
798 | } | |
799 | ||
800 | /* | |
801 | * GPU doorbell aperture helpers function. | |
802 | */ | |
803 | /** | |
06ec9070 | 804 | * amdgpu_device_doorbell_init - Init doorbell driver information. |
d38ceaf9 AD |
805 | * |
806 | * @adev: amdgpu_device pointer | |
807 | * | |
808 | * Init doorbell driver information (CIK) | |
809 | * Returns 0 on success, error on failure. | |
810 | */ | |
06ec9070 | 811 | static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) |
d38ceaf9 | 812 | { |
6585661d | 813 | |
705e519e CK |
814 | /* No doorbell on SI hardware generation */ |
815 | if (adev->asic_type < CHIP_BONAIRE) { | |
816 | adev->doorbell.base = 0; | |
817 | adev->doorbell.size = 0; | |
818 | adev->doorbell.num_doorbells = 0; | |
819 | adev->doorbell.ptr = NULL; | |
820 | return 0; | |
821 | } | |
822 | ||
d6895ad3 CK |
823 | if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET) |
824 | return -EINVAL; | |
825 | ||
22357775 AD |
826 | amdgpu_asic_init_doorbell_index(adev); |
827 | ||
d38ceaf9 AD |
828 | /* doorbell bar mapping */ |
829 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
830 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
831 | ||
edf600da | 832 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
9564f192 | 833 | adev->doorbell_index.max_assignment+1); |
d38ceaf9 AD |
834 | if (adev->doorbell.num_doorbells == 0) |
835 | return -EINVAL; | |
836 | ||
ec3db8a6 | 837 | /* For Vega, reserve and map two pages on doorbell BAR since SDMA |
88dc26e4 OZ |
838 | * paging queue doorbell use the second page. The |
839 | * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the | |
840 | * doorbells are in the first page. So with paging queue enabled, | |
841 | * the max num_doorbells should + 1 page (0x400 in dword) | |
ec3db8a6 PY |
842 | */ |
843 | if (adev->asic_type >= CHIP_VEGA10) | |
88dc26e4 | 844 | adev->doorbell.num_doorbells += 0x400; |
ec3db8a6 | 845 | |
8972e5d2 CK |
846 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
847 | adev->doorbell.num_doorbells * | |
848 | sizeof(u32)); | |
849 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 850 | return -ENOMEM; |
d38ceaf9 AD |
851 | |
852 | return 0; | |
853 | } | |
854 | ||
855 | /** | |
06ec9070 | 856 | * amdgpu_device_doorbell_fini - Tear down doorbell driver information. |
d38ceaf9 AD |
857 | * |
858 | * @adev: amdgpu_device pointer | |
859 | * | |
860 | * Tear down doorbell driver information (CIK) | |
861 | */ | |
06ec9070 | 862 | static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
863 | { |
864 | iounmap(adev->doorbell.ptr); | |
865 | adev->doorbell.ptr = NULL; | |
866 | } | |
867 | ||
22cb0164 | 868 | |
d38ceaf9 AD |
869 | |
870 | /* | |
06ec9070 | 871 | * amdgpu_device_wb_*() |
455a7bc2 | 872 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 873 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
874 | */ |
875 | ||
876 | /** | |
06ec9070 | 877 | * amdgpu_device_wb_fini - Disable Writeback and free memory |
d38ceaf9 AD |
878 | * |
879 | * @adev: amdgpu_device pointer | |
880 | * | |
881 | * Disables Writeback and frees the Writeback memory (all asics). | |
882 | * Used at driver shutdown. | |
883 | */ | |
06ec9070 | 884 | static void amdgpu_device_wb_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
885 | { |
886 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
887 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
888 | &adev->wb.gpu_addr, | |
889 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
890 | adev->wb.wb_obj = NULL; |
891 | } | |
892 | } | |
893 | ||
894 | /** | |
06ec9070 | 895 | * amdgpu_device_wb_init- Init Writeback driver info and allocate memory |
d38ceaf9 AD |
896 | * |
897 | * @adev: amdgpu_device pointer | |
898 | * | |
455a7bc2 | 899 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
900 | * Used at driver startup. |
901 | * Returns 0 on success or an -error on failure. | |
902 | */ | |
06ec9070 | 903 | static int amdgpu_device_wb_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
904 | { |
905 | int r; | |
906 | ||
907 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
908 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
909 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
910 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
911 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
912 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
913 | if (r) { |
914 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
915 | return r; | |
916 | } | |
d38ceaf9 AD |
917 | |
918 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
919 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
920 | ||
921 | /* clear wb memory */ | |
73469585 | 922 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8); |
d38ceaf9 AD |
923 | } |
924 | ||
925 | return 0; | |
926 | } | |
927 | ||
928 | /** | |
131b4b36 | 929 | * amdgpu_device_wb_get - Allocate a wb entry |
d38ceaf9 AD |
930 | * |
931 | * @adev: amdgpu_device pointer | |
932 | * @wb: wb index | |
933 | * | |
934 | * Allocate a wb slot for use by the driver (all asics). | |
935 | * Returns 0 on success or -EINVAL on failure. | |
936 | */ | |
131b4b36 | 937 | int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb) |
d38ceaf9 AD |
938 | { |
939 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 940 | |
97407b63 | 941 | if (offset < adev->wb.num_wb) { |
7014285a | 942 | __set_bit(offset, adev->wb.used); |
63ae07ca | 943 | *wb = offset << 3; /* convert to dw offset */ |
0915fdbc ML |
944 | return 0; |
945 | } else { | |
946 | return -EINVAL; | |
947 | } | |
948 | } | |
949 | ||
d38ceaf9 | 950 | /** |
131b4b36 | 951 | * amdgpu_device_wb_free - Free a wb entry |
d38ceaf9 AD |
952 | * |
953 | * @adev: amdgpu_device pointer | |
954 | * @wb: wb index | |
955 | * | |
956 | * Free a wb slot allocated for use by the driver (all asics) | |
957 | */ | |
131b4b36 | 958 | void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) |
d38ceaf9 | 959 | { |
73469585 | 960 | wb >>= 3; |
d38ceaf9 | 961 | if (wb < adev->wb.num_wb) |
73469585 | 962 | __clear_bit(wb, adev->wb.used); |
d38ceaf9 AD |
963 | } |
964 | ||
d6895ad3 CK |
965 | /** |
966 | * amdgpu_device_resize_fb_bar - try to resize FB BAR | |
967 | * | |
968 | * @adev: amdgpu_device pointer | |
969 | * | |
970 | * Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not | |
971 | * to fail, but if any of the BARs is not accessible after the size we abort | |
972 | * driver loading by returning -ENODEV. | |
973 | */ | |
974 | int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) | |
975 | { | |
770d13b1 | 976 | u64 space_needed = roundup_pow_of_two(adev->gmc.real_vram_size); |
d6895ad3 | 977 | u32 rbar_size = order_base_2(((space_needed >> 20) | 1)) - 1; |
31b8adab CK |
978 | struct pci_bus *root; |
979 | struct resource *res; | |
980 | unsigned i; | |
d6895ad3 CK |
981 | u16 cmd; |
982 | int r; | |
983 | ||
0c03b912 | 984 | /* Bypass for VF */ |
985 | if (amdgpu_sriov_vf(adev)) | |
986 | return 0; | |
987 | ||
b7221f2b AD |
988 | /* skip if the bios has already enabled large BAR */ |
989 | if (adev->gmc.real_vram_size && | |
990 | (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) | |
991 | return 0; | |
992 | ||
31b8adab CK |
993 | /* Check if the root BUS has 64bit memory resources */ |
994 | root = adev->pdev->bus; | |
995 | while (root->parent) | |
996 | root = root->parent; | |
997 | ||
998 | pci_bus_for_each_resource(root, res, i) { | |
0ebb7c54 | 999 | if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) && |
31b8adab CK |
1000 | res->start > 0x100000000ull) |
1001 | break; | |
1002 | } | |
1003 | ||
1004 | /* Trying to resize is pointless without a root hub window above 4GB */ | |
1005 | if (!res) | |
1006 | return 0; | |
1007 | ||
d6895ad3 CK |
1008 | /* Disable memory decoding while we change the BAR addresses and size */ |
1009 | pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); | |
1010 | pci_write_config_word(adev->pdev, PCI_COMMAND, | |
1011 | cmd & ~PCI_COMMAND_MEMORY); | |
1012 | ||
1013 | /* Free the VRAM and doorbell BAR, we most likely need to move both. */ | |
06ec9070 | 1014 | amdgpu_device_doorbell_fini(adev); |
d6895ad3 CK |
1015 | if (adev->asic_type >= CHIP_BONAIRE) |
1016 | pci_release_resource(adev->pdev, 2); | |
1017 | ||
1018 | pci_release_resource(adev->pdev, 0); | |
1019 | ||
1020 | r = pci_resize_resource(adev->pdev, 0, rbar_size); | |
1021 | if (r == -ENOSPC) | |
1022 | DRM_INFO("Not enough PCI address space for a large BAR."); | |
1023 | else if (r && r != -ENOTSUPP) | |
1024 | DRM_ERROR("Problem resizing BAR0 (%d).", r); | |
1025 | ||
1026 | pci_assign_unassigned_bus_resources(adev->pdev->bus); | |
1027 | ||
1028 | /* When the doorbell or fb BAR isn't available we have no chance of | |
1029 | * using the device. | |
1030 | */ | |
06ec9070 | 1031 | r = amdgpu_device_doorbell_init(adev); |
d6895ad3 CK |
1032 | if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET)) |
1033 | return -ENODEV; | |
1034 | ||
1035 | pci_write_config_word(adev->pdev, PCI_COMMAND, cmd); | |
1036 | ||
1037 | return 0; | |
1038 | } | |
a05502e5 | 1039 | |
d38ceaf9 AD |
1040 | /* |
1041 | * GPU helpers function. | |
1042 | */ | |
1043 | /** | |
39c640c0 | 1044 | * amdgpu_device_need_post - check if the hw need post or not |
d38ceaf9 AD |
1045 | * |
1046 | * @adev: amdgpu_device pointer | |
1047 | * | |
c836fec5 JQ |
1048 | * Check if the asic has been initialized (all asics) at driver startup |
1049 | * or post is needed if hw reset is performed. | |
1050 | * Returns true if need or false if not. | |
d38ceaf9 | 1051 | */ |
39c640c0 | 1052 | bool amdgpu_device_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
1053 | { |
1054 | uint32_t reg; | |
1055 | ||
bec86378 ML |
1056 | if (amdgpu_sriov_vf(adev)) |
1057 | return false; | |
1058 | ||
1059 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
1060 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
1061 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
1062 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
1063 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
1064 | */ |
1065 | if (adev->asic_type == CHIP_FIJI) { | |
1066 | int err; | |
1067 | uint32_t fw_ver; | |
1068 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
1069 | /* force vPost if error occured */ | |
1070 | if (err) | |
1071 | return true; | |
1072 | ||
1073 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
1074 | if (fw_ver < 0x00160e00) |
1075 | return true; | |
bec86378 | 1076 | } |
bec86378 | 1077 | } |
91fe77eb | 1078 | |
1079 | if (adev->has_hw_reset) { | |
1080 | adev->has_hw_reset = false; | |
1081 | return true; | |
1082 | } | |
1083 | ||
1084 | /* bios scratch used on CIK+ */ | |
1085 | if (adev->asic_type >= CHIP_BONAIRE) | |
1086 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
1087 | ||
1088 | /* check MEM_SIZE for older asics */ | |
1089 | reg = amdgpu_asic_get_config_memsize(adev); | |
1090 | ||
1091 | if ((reg != 0) && (reg != 0xffffffff)) | |
1092 | return false; | |
1093 | ||
1094 | return true; | |
bec86378 ML |
1095 | } |
1096 | ||
d38ceaf9 AD |
1097 | /* if we get transitioned to only one device, take VGA back */ |
1098 | /** | |
06ec9070 | 1099 | * amdgpu_device_vga_set_decode - enable/disable vga decode |
d38ceaf9 AD |
1100 | * |
1101 | * @cookie: amdgpu_device pointer | |
1102 | * @state: enable/disable vga decode | |
1103 | * | |
1104 | * Enable/disable vga decode (all asics). | |
1105 | * Returns VGA resource flags. | |
1106 | */ | |
06ec9070 | 1107 | static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state) |
d38ceaf9 AD |
1108 | { |
1109 | struct amdgpu_device *adev = cookie; | |
1110 | amdgpu_asic_set_vga_state(adev, state); | |
1111 | if (state) | |
1112 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1113 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1114 | else | |
1115 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1116 | } | |
1117 | ||
e3ecdffa AD |
1118 | /** |
1119 | * amdgpu_device_check_block_size - validate the vm block size | |
1120 | * | |
1121 | * @adev: amdgpu_device pointer | |
1122 | * | |
1123 | * Validates the vm block size specified via module parameter. | |
1124 | * The vm block size defines number of bits in page table versus page directory, | |
1125 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1126 | * page table and the remaining bits are in the page directory. | |
1127 | */ | |
06ec9070 | 1128 | static void amdgpu_device_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1129 | { |
1130 | /* defines number of bits in page table versus page directory, | |
1131 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1132 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
1133 | if (amdgpu_vm_block_size == -1) |
1134 | return; | |
a1adf8be | 1135 | |
bab4fee7 | 1136 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1137 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1138 | amdgpu_vm_block_size); | |
97489129 | 1139 | amdgpu_vm_block_size = -1; |
a1adf8be | 1140 | } |
a1adf8be CZ |
1141 | } |
1142 | ||
e3ecdffa AD |
1143 | /** |
1144 | * amdgpu_device_check_vm_size - validate the vm size | |
1145 | * | |
1146 | * @adev: amdgpu_device pointer | |
1147 | * | |
1148 | * Validates the vm size in GB specified via module parameter. | |
1149 | * The VM size is the size of the GPU virtual memory space in GB. | |
1150 | */ | |
06ec9070 | 1151 | static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) |
83ca145d | 1152 | { |
64dab074 AD |
1153 | /* no need to check the default value */ |
1154 | if (amdgpu_vm_size == -1) | |
1155 | return; | |
1156 | ||
83ca145d ZJ |
1157 | if (amdgpu_vm_size < 1) { |
1158 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1159 | amdgpu_vm_size); | |
f3368128 | 1160 | amdgpu_vm_size = -1; |
83ca145d | 1161 | } |
83ca145d ZJ |
1162 | } |
1163 | ||
7951e376 RZ |
1164 | static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) |
1165 | { | |
1166 | struct sysinfo si; | |
a9d4fe2f | 1167 | bool is_os_64 = (sizeof(void *) == 8); |
7951e376 RZ |
1168 | uint64_t total_memory; |
1169 | uint64_t dram_size_seven_GB = 0x1B8000000; | |
1170 | uint64_t dram_size_three_GB = 0xB8000000; | |
1171 | ||
1172 | if (amdgpu_smu_memory_pool_size == 0) | |
1173 | return; | |
1174 | ||
1175 | if (!is_os_64) { | |
1176 | DRM_WARN("Not 64-bit OS, feature not supported\n"); | |
1177 | goto def_value; | |
1178 | } | |
1179 | si_meminfo(&si); | |
1180 | total_memory = (uint64_t)si.totalram * si.mem_unit; | |
1181 | ||
1182 | if ((amdgpu_smu_memory_pool_size == 1) || | |
1183 | (amdgpu_smu_memory_pool_size == 2)) { | |
1184 | if (total_memory < dram_size_three_GB) | |
1185 | goto def_value1; | |
1186 | } else if ((amdgpu_smu_memory_pool_size == 4) || | |
1187 | (amdgpu_smu_memory_pool_size == 8)) { | |
1188 | if (total_memory < dram_size_seven_GB) | |
1189 | goto def_value1; | |
1190 | } else { | |
1191 | DRM_WARN("Smu memory pool size not supported\n"); | |
1192 | goto def_value; | |
1193 | } | |
1194 | adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28; | |
1195 | ||
1196 | return; | |
1197 | ||
1198 | def_value1: | |
1199 | DRM_WARN("No enough system memory\n"); | |
1200 | def_value: | |
1201 | adev->pm.smu_prv_buffer_size = 0; | |
1202 | } | |
1203 | ||
d38ceaf9 | 1204 | /** |
06ec9070 | 1205 | * amdgpu_device_check_arguments - validate module params |
d38ceaf9 AD |
1206 | * |
1207 | * @adev: amdgpu_device pointer | |
1208 | * | |
1209 | * Validates certain module parameters and updates | |
1210 | * the associated values used by the driver (all asics). | |
1211 | */ | |
912dfc84 | 1212 | static int amdgpu_device_check_arguments(struct amdgpu_device *adev) |
d38ceaf9 | 1213 | { |
5b011235 CZ |
1214 | if (amdgpu_sched_jobs < 4) { |
1215 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1216 | amdgpu_sched_jobs); | |
1217 | amdgpu_sched_jobs = 4; | |
76117507 | 1218 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
1219 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1220 | amdgpu_sched_jobs); | |
1221 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1222 | } | |
d38ceaf9 | 1223 | |
83e74db6 | 1224 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1225 | /* gart size must be greater or equal to 32M */ |
1226 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1227 | amdgpu_gart_size); | |
83e74db6 | 1228 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1229 | } |
1230 | ||
36d38372 | 1231 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1232 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1233 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1234 | amdgpu_gtt_size); | |
1235 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1236 | } |
1237 | ||
d07f14be RH |
1238 | /* valid range is between 4 and 9 inclusive */ |
1239 | if (amdgpu_vm_fragment_size != -1 && | |
1240 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1241 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1242 | amdgpu_vm_fragment_size = -1; | |
1243 | } | |
1244 | ||
5d5bd5e3 KW |
1245 | if (amdgpu_sched_hw_submission < 2) { |
1246 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be at least 2\n", | |
1247 | amdgpu_sched_hw_submission); | |
1248 | amdgpu_sched_hw_submission = 2; | |
1249 | } else if (!is_power_of_2(amdgpu_sched_hw_submission)) { | |
1250 | dev_warn(adev->dev, "sched hw submission jobs (%d) must be a power of 2\n", | |
1251 | amdgpu_sched_hw_submission); | |
1252 | amdgpu_sched_hw_submission = roundup_pow_of_two(amdgpu_sched_hw_submission); | |
1253 | } | |
1254 | ||
7951e376 RZ |
1255 | amdgpu_device_check_smu_prv_buffer_size(adev); |
1256 | ||
06ec9070 | 1257 | amdgpu_device_check_vm_size(adev); |
d38ceaf9 | 1258 | |
06ec9070 | 1259 | amdgpu_device_check_block_size(adev); |
6a7f76e7 | 1260 | |
19aede77 | 1261 | adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); |
912dfc84 | 1262 | |
c6252390 | 1263 | amdgpu_gmc_tmz_set(adev); |
01a8dcec | 1264 | |
a300de40 ML |
1265 | if (amdgpu_num_kcq > 8 || amdgpu_num_kcq < 0) { |
1266 | amdgpu_num_kcq = 8; | |
c16ce562 | 1267 | dev_warn(adev->dev, "set kernel compute queue number to 8 due to invalid parameter provided by user\n"); |
a300de40 ML |
1268 | } |
1269 | ||
e3c00faa | 1270 | return 0; |
d38ceaf9 AD |
1271 | } |
1272 | ||
1273 | /** | |
1274 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1275 | * | |
1276 | * @pdev: pci dev pointer | |
1694467b | 1277 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1278 | * |
1279 | * Callback for the switcheroo driver. Suspends or resumes the | |
1280 | * the asics before or after it is powered up using ACPI methods. | |
1281 | */ | |
8aba21b7 LT |
1282 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, |
1283 | enum vga_switcheroo_state state) | |
d38ceaf9 AD |
1284 | { |
1285 | struct drm_device *dev = pci_get_drvdata(pdev); | |
de185019 | 1286 | int r; |
d38ceaf9 | 1287 | |
31af062a | 1288 | if (amdgpu_device_supports_boco(dev) && state == VGA_SWITCHEROO_OFF) |
d38ceaf9 AD |
1289 | return; |
1290 | ||
1291 | if (state == VGA_SWITCHEROO_ON) { | |
dd4fa6c1 | 1292 | pr_info("switched on\n"); |
d38ceaf9 AD |
1293 | /* don't suspend or resume card normally */ |
1294 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1295 | ||
de185019 | 1296 | pci_set_power_state(dev->pdev, PCI_D0); |
c1dd4aa6 | 1297 | amdgpu_device_load_pci_state(dev->pdev); |
de185019 AD |
1298 | r = pci_enable_device(dev->pdev); |
1299 | if (r) | |
1300 | DRM_WARN("pci_enable_device failed (%d)\n", r); | |
1301 | amdgpu_device_resume(dev, true); | |
d38ceaf9 | 1302 | |
d38ceaf9 AD |
1303 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
1304 | drm_kms_helper_poll_enable(dev); | |
1305 | } else { | |
dd4fa6c1 | 1306 | pr_info("switched off\n"); |
d38ceaf9 AD |
1307 | drm_kms_helper_poll_disable(dev); |
1308 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
de185019 | 1309 | amdgpu_device_suspend(dev, true); |
c1dd4aa6 | 1310 | amdgpu_device_cache_pci_state(dev->pdev); |
de185019 AD |
1311 | /* Shut down the device */ |
1312 | pci_disable_device(dev->pdev); | |
1313 | pci_set_power_state(dev->pdev, PCI_D3cold); | |
d38ceaf9 AD |
1314 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1315 | } | |
1316 | } | |
1317 | ||
1318 | /** | |
1319 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1320 | * | |
1321 | * @pdev: pci dev pointer | |
1322 | * | |
1323 | * Callback for the switcheroo driver. Check of the switcheroo | |
1324 | * state can be changed. | |
1325 | * Returns true if the state can be changed, false if not. | |
1326 | */ | |
1327 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1328 | { | |
1329 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1330 | ||
1331 | /* | |
1332 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1333 | * locking inversion with the driver load path. And the access here is | |
1334 | * completely racy anyway. So don't bother with locking for now. | |
1335 | */ | |
7e13ad89 | 1336 | return atomic_read(&dev->open_count) == 0; |
d38ceaf9 AD |
1337 | } |
1338 | ||
1339 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1340 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1341 | .reprobe = NULL, | |
1342 | .can_switch = amdgpu_switcheroo_can_switch, | |
1343 | }; | |
1344 | ||
e3ecdffa AD |
1345 | /** |
1346 | * amdgpu_device_ip_set_clockgating_state - set the CG state | |
1347 | * | |
87e3f136 | 1348 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1349 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1350 | * @state: clockgating state (gate or ungate) | |
1351 | * | |
1352 | * Sets the requested clockgating state for all instances of | |
1353 | * the hardware IP specified. | |
1354 | * Returns the error code from the last instance. | |
1355 | */ | |
43fa561f | 1356 | int amdgpu_device_ip_set_clockgating_state(void *dev, |
2990a1fc AD |
1357 | enum amd_ip_block_type block_type, |
1358 | enum amd_clockgating_state state) | |
d38ceaf9 | 1359 | { |
43fa561f | 1360 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1361 | int i, r = 0; |
1362 | ||
1363 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1364 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1365 | continue; |
c722865a RZ |
1366 | if (adev->ip_blocks[i].version->type != block_type) |
1367 | continue; | |
1368 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1369 | continue; | |
1370 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1371 | (void *)adev, state); | |
1372 | if (r) | |
1373 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1374 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1375 | } |
1376 | return r; | |
1377 | } | |
1378 | ||
e3ecdffa AD |
1379 | /** |
1380 | * amdgpu_device_ip_set_powergating_state - set the PG state | |
1381 | * | |
87e3f136 | 1382 | * @dev: amdgpu_device pointer |
e3ecdffa AD |
1383 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) |
1384 | * @state: powergating state (gate or ungate) | |
1385 | * | |
1386 | * Sets the requested powergating state for all instances of | |
1387 | * the hardware IP specified. | |
1388 | * Returns the error code from the last instance. | |
1389 | */ | |
43fa561f | 1390 | int amdgpu_device_ip_set_powergating_state(void *dev, |
2990a1fc AD |
1391 | enum amd_ip_block_type block_type, |
1392 | enum amd_powergating_state state) | |
d38ceaf9 | 1393 | { |
43fa561f | 1394 | struct amdgpu_device *adev = dev; |
d38ceaf9 AD |
1395 | int i, r = 0; |
1396 | ||
1397 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1398 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1399 | continue; |
c722865a RZ |
1400 | if (adev->ip_blocks[i].version->type != block_type) |
1401 | continue; | |
1402 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1403 | continue; | |
1404 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1405 | (void *)adev, state); | |
1406 | if (r) | |
1407 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1408 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1409 | } |
1410 | return r; | |
1411 | } | |
1412 | ||
e3ecdffa AD |
1413 | /** |
1414 | * amdgpu_device_ip_get_clockgating_state - get the CG state | |
1415 | * | |
1416 | * @adev: amdgpu_device pointer | |
1417 | * @flags: clockgating feature flags | |
1418 | * | |
1419 | * Walks the list of IPs on the device and updates the clockgating | |
1420 | * flags for each IP. | |
1421 | * Updates @flags with the feature flags for each hardware IP where | |
1422 | * clockgating is enabled. | |
1423 | */ | |
2990a1fc AD |
1424 | void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, |
1425 | u32 *flags) | |
6cb2d4e4 HR |
1426 | { |
1427 | int i; | |
1428 | ||
1429 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1430 | if (!adev->ip_blocks[i].status.valid) | |
1431 | continue; | |
1432 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1433 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1434 | } | |
1435 | } | |
1436 | ||
e3ecdffa AD |
1437 | /** |
1438 | * amdgpu_device_ip_wait_for_idle - wait for idle | |
1439 | * | |
1440 | * @adev: amdgpu_device pointer | |
1441 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1442 | * | |
1443 | * Waits for the request hardware IP to be idle. | |
1444 | * Returns 0 for success or a negative error code on failure. | |
1445 | */ | |
2990a1fc AD |
1446 | int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, |
1447 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1448 | { |
1449 | int i, r; | |
1450 | ||
1451 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1452 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1453 | continue; |
a1255107 AD |
1454 | if (adev->ip_blocks[i].version->type == block_type) { |
1455 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1456 | if (r) |
1457 | return r; | |
1458 | break; | |
1459 | } | |
1460 | } | |
1461 | return 0; | |
1462 | ||
1463 | } | |
1464 | ||
e3ecdffa AD |
1465 | /** |
1466 | * amdgpu_device_ip_is_idle - is the hardware IP idle | |
1467 | * | |
1468 | * @adev: amdgpu_device pointer | |
1469 | * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.) | |
1470 | * | |
1471 | * Check if the hardware IP is idle or not. | |
1472 | * Returns true if it the IP is idle, false if not. | |
1473 | */ | |
2990a1fc AD |
1474 | bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, |
1475 | enum amd_ip_block_type block_type) | |
5dbbb60b AD |
1476 | { |
1477 | int i; | |
1478 | ||
1479 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1480 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1481 | continue; |
a1255107 AD |
1482 | if (adev->ip_blocks[i].version->type == block_type) |
1483 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1484 | } |
1485 | return true; | |
1486 | ||
1487 | } | |
1488 | ||
e3ecdffa AD |
1489 | /** |
1490 | * amdgpu_device_ip_get_ip_block - get a hw IP pointer | |
1491 | * | |
1492 | * @adev: amdgpu_device pointer | |
87e3f136 | 1493 | * @type: Type of hardware IP (SMU, GFX, UVD, etc.) |
e3ecdffa AD |
1494 | * |
1495 | * Returns a pointer to the hardware IP block structure | |
1496 | * if it exists for the asic, otherwise NULL. | |
1497 | */ | |
2990a1fc AD |
1498 | struct amdgpu_ip_block * |
1499 | amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, | |
1500 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1501 | { |
1502 | int i; | |
1503 | ||
1504 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1505 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1506 | return &adev->ip_blocks[i]; |
1507 | ||
1508 | return NULL; | |
1509 | } | |
1510 | ||
1511 | /** | |
2990a1fc | 1512 | * amdgpu_device_ip_block_version_cmp |
d38ceaf9 AD |
1513 | * |
1514 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1515 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1516 | * @major: major version |
1517 | * @minor: minor version | |
1518 | * | |
1519 | * return 0 if equal or greater | |
1520 | * return 1 if smaller or the ip_block doesn't exist | |
1521 | */ | |
2990a1fc AD |
1522 | int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, |
1523 | enum amd_ip_block_type type, | |
1524 | u32 major, u32 minor) | |
d38ceaf9 | 1525 | { |
2990a1fc | 1526 | struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type); |
d38ceaf9 | 1527 | |
a1255107 AD |
1528 | if (ip_block && ((ip_block->version->major > major) || |
1529 | ((ip_block->version->major == major) && | |
1530 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1531 | return 0; |
1532 | ||
1533 | return 1; | |
1534 | } | |
1535 | ||
a1255107 | 1536 | /** |
2990a1fc | 1537 | * amdgpu_device_ip_block_add |
a1255107 AD |
1538 | * |
1539 | * @adev: amdgpu_device pointer | |
1540 | * @ip_block_version: pointer to the IP to add | |
1541 | * | |
1542 | * Adds the IP block driver information to the collection of IPs | |
1543 | * on the asic. | |
1544 | */ | |
2990a1fc AD |
1545 | int amdgpu_device_ip_block_add(struct amdgpu_device *adev, |
1546 | const struct amdgpu_ip_block_version *ip_block_version) | |
a1255107 AD |
1547 | { |
1548 | if (!ip_block_version) | |
1549 | return -EINVAL; | |
1550 | ||
e966a725 | 1551 | DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, |
a0bae357 HR |
1552 | ip_block_version->funcs->name); |
1553 | ||
a1255107 AD |
1554 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1555 | ||
1556 | return 0; | |
1557 | } | |
1558 | ||
e3ecdffa AD |
1559 | /** |
1560 | * amdgpu_device_enable_virtual_display - enable virtual display feature | |
1561 | * | |
1562 | * @adev: amdgpu_device pointer | |
1563 | * | |
1564 | * Enabled the virtual display feature if the user has enabled it via | |
1565 | * the module parameter virtual_display. This feature provides a virtual | |
1566 | * display hardware on headless boards or in virtualized environments. | |
1567 | * This function parses and validates the configuration string specified by | |
1568 | * the user and configues the virtual display configuration (number of | |
1569 | * virtual connectors, crtcs, etc.) specified. | |
1570 | */ | |
483ef985 | 1571 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1572 | { |
1573 | adev->enable_virtual_display = false; | |
1574 | ||
1575 | if (amdgpu_virtual_display) { | |
4a580877 | 1576 | struct drm_device *ddev = adev_to_drm(adev); |
9accf2fd | 1577 | const char *pci_address_name = pci_name(ddev->pdev); |
0f66356d | 1578 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1579 | |
1580 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1581 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1582 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1583 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1584 | if (!strcmp("all", pciaddname) |
1585 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1586 | long num_crtc; |
1587 | int res = -1; | |
1588 | ||
9accf2fd | 1589 | adev->enable_virtual_display = true; |
0f66356d ED |
1590 | |
1591 | if (pciaddname_tmp) | |
1592 | res = kstrtol(pciaddname_tmp, 10, | |
1593 | &num_crtc); | |
1594 | ||
1595 | if (!res) { | |
1596 | if (num_crtc < 1) | |
1597 | num_crtc = 1; | |
1598 | if (num_crtc > 6) | |
1599 | num_crtc = 6; | |
1600 | adev->mode_info.num_crtc = num_crtc; | |
1601 | } else { | |
1602 | adev->mode_info.num_crtc = 1; | |
1603 | } | |
9accf2fd ED |
1604 | break; |
1605 | } | |
1606 | } | |
1607 | ||
0f66356d ED |
1608 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1609 | amdgpu_virtual_display, pci_address_name, | |
1610 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1611 | |
1612 | kfree(pciaddstr); | |
1613 | } | |
1614 | } | |
1615 | ||
e3ecdffa AD |
1616 | /** |
1617 | * amdgpu_device_parse_gpu_info_fw - parse gpu info firmware | |
1618 | * | |
1619 | * @adev: amdgpu_device pointer | |
1620 | * | |
1621 | * Parses the asic configuration parameters specified in the gpu info | |
1622 | * firmware and makes them availale to the driver for use in configuring | |
1623 | * the asic. | |
1624 | * Returns 0 on success, -EINVAL on failure. | |
1625 | */ | |
e2a75f88 AD |
1626 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1627 | { | |
e2a75f88 | 1628 | const char *chip_name; |
c0a43457 | 1629 | char fw_name[40]; |
e2a75f88 AD |
1630 | int err; |
1631 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1632 | ||
ab4fe3e1 HR |
1633 | adev->firmware.gpu_info_fw = NULL; |
1634 | ||
72de33f8 | 1635 | if (adev->mman.discovery_bin) { |
258620d0 | 1636 | amdgpu_discovery_get_gfx_info(adev); |
cc375d8c TY |
1637 | |
1638 | /* | |
1639 | * FIXME: The bounding box is still needed by Navi12, so | |
1640 | * temporarily read it from gpu_info firmware. Should be droped | |
1641 | * when DAL no longer needs it. | |
1642 | */ | |
1643 | if (adev->asic_type != CHIP_NAVI12) | |
1644 | return 0; | |
258620d0 AD |
1645 | } |
1646 | ||
e2a75f88 | 1647 | switch (adev->asic_type) { |
e2a75f88 AD |
1648 | #ifdef CONFIG_DRM_AMDGPU_SI |
1649 | case CHIP_VERDE: | |
1650 | case CHIP_TAHITI: | |
1651 | case CHIP_PITCAIRN: | |
1652 | case CHIP_OLAND: | |
1653 | case CHIP_HAINAN: | |
1654 | #endif | |
1655 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
1656 | case CHIP_BONAIRE: | |
1657 | case CHIP_HAWAII: | |
1658 | case CHIP_KAVERI: | |
1659 | case CHIP_KABINI: | |
1660 | case CHIP_MULLINS: | |
1661 | #endif | |
da87c30b AD |
1662 | case CHIP_TOPAZ: |
1663 | case CHIP_TONGA: | |
1664 | case CHIP_FIJI: | |
1665 | case CHIP_POLARIS10: | |
1666 | case CHIP_POLARIS11: | |
1667 | case CHIP_POLARIS12: | |
1668 | case CHIP_VEGAM: | |
1669 | case CHIP_CARRIZO: | |
1670 | case CHIP_STONEY: | |
27c0bc71 | 1671 | case CHIP_VEGA20: |
e2a75f88 AD |
1672 | default: |
1673 | return 0; | |
1674 | case CHIP_VEGA10: | |
1675 | chip_name = "vega10"; | |
1676 | break; | |
3f76dced AD |
1677 | case CHIP_VEGA12: |
1678 | chip_name = "vega12"; | |
1679 | break; | |
2d2e5e7e | 1680 | case CHIP_RAVEN: |
54f78a76 | 1681 | if (adev->apu_flags & AMD_APU_IS_RAVEN2) |
54c4d17e | 1682 | chip_name = "raven2"; |
54f78a76 | 1683 | else if (adev->apu_flags & AMD_APU_IS_PICASSO) |
741deade | 1684 | chip_name = "picasso"; |
54c4d17e FX |
1685 | else |
1686 | chip_name = "raven"; | |
2d2e5e7e | 1687 | break; |
65e60f6e LM |
1688 | case CHIP_ARCTURUS: |
1689 | chip_name = "arcturus"; | |
1690 | break; | |
b51a26a0 HR |
1691 | case CHIP_RENOIR: |
1692 | chip_name = "renoir"; | |
1693 | break; | |
23c6268e HR |
1694 | case CHIP_NAVI10: |
1695 | chip_name = "navi10"; | |
1696 | break; | |
ed42cfe1 XY |
1697 | case CHIP_NAVI14: |
1698 | chip_name = "navi14"; | |
1699 | break; | |
42b325e5 XY |
1700 | case CHIP_NAVI12: |
1701 | chip_name = "navi12"; | |
1702 | break; | |
c0a43457 LG |
1703 | case CHIP_SIENNA_CICHLID: |
1704 | chip_name = "sienna_cichlid"; | |
1705 | break; | |
120eb833 JC |
1706 | case CHIP_NAVY_FLOUNDER: |
1707 | chip_name = "navy_flounder"; | |
1708 | break; | |
e2a75f88 AD |
1709 | } |
1710 | ||
1711 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1712 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1713 | if (err) { |
1714 | dev_err(adev->dev, | |
1715 | "Failed to load gpu_info firmware \"%s\"\n", | |
1716 | fw_name); | |
1717 | goto out; | |
1718 | } | |
ab4fe3e1 | 1719 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1720 | if (err) { |
1721 | dev_err(adev->dev, | |
1722 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1723 | fw_name); | |
1724 | goto out; | |
1725 | } | |
1726 | ||
ab4fe3e1 | 1727 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
1728 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
1729 | ||
1730 | switch (hdr->version_major) { | |
1731 | case 1: | |
1732 | { | |
1733 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 1734 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
1735 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
1736 | ||
cc375d8c TY |
1737 | /* |
1738 | * Should be droped when DAL no longer needs it. | |
1739 | */ | |
1740 | if (adev->asic_type == CHIP_NAVI12) | |
ec51d3fa XY |
1741 | goto parse_soc_bounding_box; |
1742 | ||
b5ab16bf AD |
1743 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
1744 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
1745 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
1746 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 1747 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
1748 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
1749 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
1750 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
1751 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
1752 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 1753 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
1754 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
1755 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
1756 | adev->gfx.cu_info.max_waves_per_simd = |
1757 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
1758 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
1759 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
1760 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
48321c3d | 1761 | if (hdr->version_minor >= 1) { |
35c2e910 HZ |
1762 | const struct gpu_info_firmware_v1_1 *gpu_info_fw = |
1763 | (const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data + | |
1764 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1765 | adev->gfx.config.num_sc_per_sh = | |
1766 | le32_to_cpu(gpu_info_fw->num_sc_per_sh); | |
1767 | adev->gfx.config.num_packer_per_sc = | |
1768 | le32_to_cpu(gpu_info_fw->num_packer_per_sc); | |
1769 | } | |
ec51d3fa XY |
1770 | |
1771 | parse_soc_bounding_box: | |
ec51d3fa XY |
1772 | /* |
1773 | * soc bounding box info is not integrated in disocovery table, | |
258620d0 | 1774 | * we always need to parse it from gpu info firmware if needed. |
ec51d3fa | 1775 | */ |
48321c3d HW |
1776 | if (hdr->version_minor == 2) { |
1777 | const struct gpu_info_firmware_v1_2 *gpu_info_fw = | |
1778 | (const struct gpu_info_firmware_v1_2 *)(adev->firmware.gpu_info_fw->data + | |
1779 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
1780 | adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box; | |
1781 | } | |
e2a75f88 AD |
1782 | break; |
1783 | } | |
1784 | default: | |
1785 | dev_err(adev->dev, | |
1786 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
1787 | err = -EINVAL; | |
1788 | goto out; | |
1789 | } | |
1790 | out: | |
e2a75f88 AD |
1791 | return err; |
1792 | } | |
1793 | ||
e3ecdffa AD |
1794 | /** |
1795 | * amdgpu_device_ip_early_init - run early init for hardware IPs | |
1796 | * | |
1797 | * @adev: amdgpu_device pointer | |
1798 | * | |
1799 | * Early initialization pass for hardware IPs. The hardware IPs that make | |
1800 | * up each asic are discovered each IP's early_init callback is run. This | |
1801 | * is the first stage in initializing the asic. | |
1802 | * Returns 0 on success, negative error code on failure. | |
1803 | */ | |
06ec9070 | 1804 | static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) |
d38ceaf9 | 1805 | { |
aaa36a97 | 1806 | int i, r; |
d38ceaf9 | 1807 | |
483ef985 | 1808 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 1809 | |
00a979f3 | 1810 | if (amdgpu_sriov_vf(adev)) { |
00a979f3 | 1811 | r = amdgpu_virt_request_full_gpu(adev, true); |
aaa36a97 AD |
1812 | if (r) |
1813 | return r; | |
00a979f3 WS |
1814 | } |
1815 | ||
d38ceaf9 | 1816 | switch (adev->asic_type) { |
33f34802 KW |
1817 | #ifdef CONFIG_DRM_AMDGPU_SI |
1818 | case CHIP_VERDE: | |
1819 | case CHIP_TAHITI: | |
1820 | case CHIP_PITCAIRN: | |
1821 | case CHIP_OLAND: | |
1822 | case CHIP_HAINAN: | |
295d0daf | 1823 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
1824 | r = si_set_ip_blocks(adev); |
1825 | if (r) | |
1826 | return r; | |
1827 | break; | |
1828 | #endif | |
a2e73f56 AD |
1829 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1830 | case CHIP_BONAIRE: | |
1831 | case CHIP_HAWAII: | |
1832 | case CHIP_KAVERI: | |
1833 | case CHIP_KABINI: | |
1834 | case CHIP_MULLINS: | |
e1ad2d53 | 1835 | if (adev->flags & AMD_IS_APU) |
a2e73f56 | 1836 | adev->family = AMDGPU_FAMILY_KV; |
e1ad2d53 AD |
1837 | else |
1838 | adev->family = AMDGPU_FAMILY_CI; | |
a2e73f56 AD |
1839 | |
1840 | r = cik_set_ip_blocks(adev); | |
1841 | if (r) | |
1842 | return r; | |
1843 | break; | |
1844 | #endif | |
da87c30b AD |
1845 | case CHIP_TOPAZ: |
1846 | case CHIP_TONGA: | |
1847 | case CHIP_FIJI: | |
1848 | case CHIP_POLARIS10: | |
1849 | case CHIP_POLARIS11: | |
1850 | case CHIP_POLARIS12: | |
1851 | case CHIP_VEGAM: | |
1852 | case CHIP_CARRIZO: | |
1853 | case CHIP_STONEY: | |
1854 | if (adev->flags & AMD_IS_APU) | |
1855 | adev->family = AMDGPU_FAMILY_CZ; | |
1856 | else | |
1857 | adev->family = AMDGPU_FAMILY_VI; | |
1858 | ||
1859 | r = vi_set_ip_blocks(adev); | |
1860 | if (r) | |
1861 | return r; | |
1862 | break; | |
e48a3cd9 AD |
1863 | case CHIP_VEGA10: |
1864 | case CHIP_VEGA12: | |
e4bd8170 | 1865 | case CHIP_VEGA20: |
e48a3cd9 | 1866 | case CHIP_RAVEN: |
61cf44c1 | 1867 | case CHIP_ARCTURUS: |
b51a26a0 | 1868 | case CHIP_RENOIR: |
70534d1e | 1869 | if (adev->flags & AMD_IS_APU) |
2ca8a5d2 CZ |
1870 | adev->family = AMDGPU_FAMILY_RV; |
1871 | else | |
1872 | adev->family = AMDGPU_FAMILY_AI; | |
460826e6 KW |
1873 | |
1874 | r = soc15_set_ip_blocks(adev); | |
1875 | if (r) | |
1876 | return r; | |
1877 | break; | |
0a5b8c7b | 1878 | case CHIP_NAVI10: |
7ecb5cd4 | 1879 | case CHIP_NAVI14: |
4808cf9c | 1880 | case CHIP_NAVI12: |
11e8aef5 | 1881 | case CHIP_SIENNA_CICHLID: |
41f446bf | 1882 | case CHIP_NAVY_FLOUNDER: |
0a5b8c7b HR |
1883 | adev->family = AMDGPU_FAMILY_NV; |
1884 | ||
1885 | r = nv_set_ip_blocks(adev); | |
1886 | if (r) | |
1887 | return r; | |
1888 | break; | |
d38ceaf9 AD |
1889 | default: |
1890 | /* FIXME: not supported yet */ | |
1891 | return -EINVAL; | |
1892 | } | |
1893 | ||
1884734a | 1894 | amdgpu_amdkfd_device_probe(adev); |
1895 | ||
3b94fb10 | 1896 | adev->pm.pp_feature = amdgpu_pp_feature_mask; |
a35ad98b | 1897 | if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) |
00544006 | 1898 | adev->pm.pp_feature &= ~PP_GFXOFF_MASK; |
00f54b97 | 1899 | |
d38ceaf9 AD |
1900 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1901 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
1902 | DRM_ERROR("disabled ip block: %d <%s>\n", |
1903 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 1904 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 1905 | } else { |
a1255107 AD |
1906 | if (adev->ip_blocks[i].version->funcs->early_init) { |
1907 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 1908 | if (r == -ENOENT) { |
a1255107 | 1909 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 1910 | } else if (r) { |
a1255107 AD |
1911 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
1912 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1913 | return r; |
2c1a2784 | 1914 | } else { |
a1255107 | 1915 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 1916 | } |
974e6b64 | 1917 | } else { |
a1255107 | 1918 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 1919 | } |
d38ceaf9 | 1920 | } |
21a249ca AD |
1921 | /* get the vbios after the asic_funcs are set up */ |
1922 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { | |
6e29c227 AD |
1923 | r = amdgpu_device_parse_gpu_info_fw(adev); |
1924 | if (r) | |
1925 | return r; | |
1926 | ||
21a249ca AD |
1927 | /* Read BIOS */ |
1928 | if (!amdgpu_get_bios(adev)) | |
1929 | return -EINVAL; | |
1930 | ||
1931 | r = amdgpu_atombios_init(adev); | |
1932 | if (r) { | |
1933 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
1934 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); | |
1935 | return r; | |
1936 | } | |
1937 | } | |
d38ceaf9 AD |
1938 | } |
1939 | ||
395d1fb9 NH |
1940 | adev->cg_flags &= amdgpu_cg_mask; |
1941 | adev->pg_flags &= amdgpu_pg_mask; | |
1942 | ||
d38ceaf9 AD |
1943 | return 0; |
1944 | } | |
1945 | ||
0a4f2520 RZ |
1946 | static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) |
1947 | { | |
1948 | int i, r; | |
1949 | ||
1950 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1951 | if (!adev->ip_blocks[i].status.sw) | |
1952 | continue; | |
1953 | if (adev->ip_blocks[i].status.hw) | |
1954 | continue; | |
1955 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || | |
2d11fd3f | 1956 | (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || |
0a4f2520 RZ |
1957 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { |
1958 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1959 | if (r) { | |
1960 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1961 | adev->ip_blocks[i].version->funcs->name, r); | |
1962 | return r; | |
1963 | } | |
1964 | adev->ip_blocks[i].status.hw = true; | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | return 0; | |
1969 | } | |
1970 | ||
1971 | static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) | |
1972 | { | |
1973 | int i, r; | |
1974 | ||
1975 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1976 | if (!adev->ip_blocks[i].status.sw) | |
1977 | continue; | |
1978 | if (adev->ip_blocks[i].status.hw) | |
1979 | continue; | |
1980 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
1981 | if (r) { | |
1982 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
1983 | adev->ip_blocks[i].version->funcs->name, r); | |
1984 | return r; | |
1985 | } | |
1986 | adev->ip_blocks[i].status.hw = true; | |
1987 | } | |
1988 | ||
1989 | return 0; | |
1990 | } | |
1991 | ||
7a3e0bb2 RZ |
1992 | static int amdgpu_device_fw_loading(struct amdgpu_device *adev) |
1993 | { | |
1994 | int r = 0; | |
1995 | int i; | |
80f41f84 | 1996 | uint32_t smu_version; |
7a3e0bb2 RZ |
1997 | |
1998 | if (adev->asic_type >= CHIP_VEGA10) { | |
1999 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 ML |
2000 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) |
2001 | continue; | |
2002 | ||
2003 | /* no need to do the fw loading again if already done*/ | |
2004 | if (adev->ip_blocks[i].status.hw == true) | |
2005 | break; | |
2006 | ||
53b3f8f4 | 2007 | if (amdgpu_in_reset(adev) || adev->in_suspend) { |
482f0e53 ML |
2008 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2009 | if (r) { | |
2010 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
7a3e0bb2 | 2011 | adev->ip_blocks[i].version->funcs->name, r); |
482f0e53 ML |
2012 | return r; |
2013 | } | |
2014 | } else { | |
2015 | r = adev->ip_blocks[i].version->funcs->hw_init(adev); | |
2016 | if (r) { | |
2017 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", | |
2018 | adev->ip_blocks[i].version->funcs->name, r); | |
2019 | return r; | |
7a3e0bb2 | 2020 | } |
7a3e0bb2 | 2021 | } |
482f0e53 ML |
2022 | |
2023 | adev->ip_blocks[i].status.hw = true; | |
2024 | break; | |
7a3e0bb2 RZ |
2025 | } |
2026 | } | |
482f0e53 | 2027 | |
8973d9ec ED |
2028 | if (!amdgpu_sriov_vf(adev) || adev->asic_type == CHIP_TONGA) |
2029 | r = amdgpu_pm_load_smu_firmware(adev, &smu_version); | |
7a3e0bb2 | 2030 | |
80f41f84 | 2031 | return r; |
7a3e0bb2 RZ |
2032 | } |
2033 | ||
e3ecdffa AD |
2034 | /** |
2035 | * amdgpu_device_ip_init - run init for hardware IPs | |
2036 | * | |
2037 | * @adev: amdgpu_device pointer | |
2038 | * | |
2039 | * Main initialization pass for hardware IPs. The list of all the hardware | |
2040 | * IPs that make up the asic is walked and the sw_init and hw_init callbacks | |
2041 | * are run. sw_init initializes the software state associated with each IP | |
2042 | * and hw_init initializes the hardware associated with each IP. | |
2043 | * Returns 0 on success, negative error code on failure. | |
2044 | */ | |
06ec9070 | 2045 | static int amdgpu_device_ip_init(struct amdgpu_device *adev) |
d38ceaf9 AD |
2046 | { |
2047 | int i, r; | |
2048 | ||
c030f2e4 | 2049 | r = amdgpu_ras_init(adev); |
2050 | if (r) | |
2051 | return r; | |
2052 | ||
d38ceaf9 | 2053 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 2054 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2055 | continue; |
a1255107 | 2056 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 2057 | if (r) { |
a1255107 AD |
2058 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
2059 | adev->ip_blocks[i].version->funcs->name, r); | |
72d3f592 | 2060 | goto init_failed; |
2c1a2784 | 2061 | } |
a1255107 | 2062 | adev->ip_blocks[i].status.sw = true; |
bfca0289 | 2063 | |
d38ceaf9 | 2064 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 2065 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
06ec9070 | 2066 | r = amdgpu_device_vram_scratch_init(adev); |
2c1a2784 AD |
2067 | if (r) { |
2068 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
72d3f592 | 2069 | goto init_failed; |
2c1a2784 | 2070 | } |
a1255107 | 2071 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
2072 | if (r) { |
2073 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
72d3f592 | 2074 | goto init_failed; |
2c1a2784 | 2075 | } |
06ec9070 | 2076 | r = amdgpu_device_wb_init(adev); |
2c1a2784 | 2077 | if (r) { |
06ec9070 | 2078 | DRM_ERROR("amdgpu_device_wb_init failed %d\n", r); |
72d3f592 | 2079 | goto init_failed; |
2c1a2784 | 2080 | } |
a1255107 | 2081 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
2082 | |
2083 | /* right after GMC hw init, we create CSA */ | |
f92d5c61 | 2084 | if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) { |
1e256e27 RZ |
2085 | r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, |
2086 | AMDGPU_GEM_DOMAIN_VRAM, | |
2087 | AMDGPU_CSA_SIZE); | |
2493664f ML |
2088 | if (r) { |
2089 | DRM_ERROR("allocate CSA failed %d\n", r); | |
72d3f592 | 2090 | goto init_failed; |
2493664f ML |
2091 | } |
2092 | } | |
d38ceaf9 AD |
2093 | } |
2094 | } | |
2095 | ||
c9ffa427 YT |
2096 | if (amdgpu_sriov_vf(adev)) |
2097 | amdgpu_virt_init_data_exchange(adev); | |
2098 | ||
533aed27 AG |
2099 | r = amdgpu_ib_pool_init(adev); |
2100 | if (r) { | |
2101 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
2102 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); | |
2103 | goto init_failed; | |
2104 | } | |
2105 | ||
c8963ea4 RZ |
2106 | r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/ |
2107 | if (r) | |
72d3f592 | 2108 | goto init_failed; |
0a4f2520 RZ |
2109 | |
2110 | r = amdgpu_device_ip_hw_init_phase1(adev); | |
2111 | if (r) | |
72d3f592 | 2112 | goto init_failed; |
0a4f2520 | 2113 | |
7a3e0bb2 RZ |
2114 | r = amdgpu_device_fw_loading(adev); |
2115 | if (r) | |
72d3f592 | 2116 | goto init_failed; |
7a3e0bb2 | 2117 | |
0a4f2520 RZ |
2118 | r = amdgpu_device_ip_hw_init_phase2(adev); |
2119 | if (r) | |
72d3f592 | 2120 | goto init_failed; |
d38ceaf9 | 2121 | |
121a2bc6 AG |
2122 | /* |
2123 | * retired pages will be loaded from eeprom and reserved here, | |
2124 | * it should be called after amdgpu_device_ip_hw_init_phase2 since | |
2125 | * for some ASICs the RAS EEPROM code relies on SMU fully functioning | |
2126 | * for I2C communication which only true at this point. | |
b82e65a9 GC |
2127 | * |
2128 | * amdgpu_ras_recovery_init may fail, but the upper only cares the | |
2129 | * failure from bad gpu situation and stop amdgpu init process | |
2130 | * accordingly. For other failed cases, it will still release all | |
2131 | * the resource and print error message, rather than returning one | |
2132 | * negative value to upper level. | |
121a2bc6 AG |
2133 | * |
2134 | * Note: theoretically, this should be called before all vram allocations | |
2135 | * to protect retired page from abusing | |
2136 | */ | |
b82e65a9 GC |
2137 | r = amdgpu_ras_recovery_init(adev); |
2138 | if (r) | |
2139 | goto init_failed; | |
121a2bc6 | 2140 | |
3e2e2ab5 HZ |
2141 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2142 | amdgpu_xgmi_add_device(adev); | |
1884734a | 2143 | amdgpu_amdkfd_device_init(adev); |
c6332b97 | 2144 | |
bd607166 KR |
2145 | amdgpu_fru_get_product_info(adev); |
2146 | ||
72d3f592 | 2147 | init_failed: |
c9ffa427 | 2148 | if (amdgpu_sriov_vf(adev)) |
c6332b97 | 2149 | amdgpu_virt_release_full_gpu(adev, true); |
2150 | ||
72d3f592 | 2151 | return r; |
d38ceaf9 AD |
2152 | } |
2153 | ||
e3ecdffa AD |
2154 | /** |
2155 | * amdgpu_device_fill_reset_magic - writes reset magic to gart pointer | |
2156 | * | |
2157 | * @adev: amdgpu_device pointer | |
2158 | * | |
2159 | * Writes a reset magic value to the gart pointer in VRAM. The driver calls | |
2160 | * this function before a GPU reset. If the value is retained after a | |
2161 | * GPU reset, VRAM has not been lost. Some GPU resets may destry VRAM contents. | |
2162 | */ | |
06ec9070 | 2163 | static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) |
0c49e0b8 CZ |
2164 | { |
2165 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
2166 | } | |
2167 | ||
e3ecdffa AD |
2168 | /** |
2169 | * amdgpu_device_check_vram_lost - check if vram is valid | |
2170 | * | |
2171 | * @adev: amdgpu_device pointer | |
2172 | * | |
2173 | * Checks the reset magic value written to the gart pointer in VRAM. | |
2174 | * The driver calls this after a GPU reset to see if the contents of | |
2175 | * VRAM is lost or now. | |
2176 | * returns true if vram is lost, false if not. | |
2177 | */ | |
06ec9070 | 2178 | static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) |
0c49e0b8 | 2179 | { |
dadce777 EQ |
2180 | if (memcmp(adev->gart.ptr, adev->reset_magic, |
2181 | AMDGPU_RESET_MAGIC_NUM)) | |
2182 | return true; | |
2183 | ||
53b3f8f4 | 2184 | if (!amdgpu_in_reset(adev)) |
dadce777 EQ |
2185 | return false; |
2186 | ||
2187 | /* | |
2188 | * For all ASICs with baco/mode1 reset, the VRAM is | |
2189 | * always assumed to be lost. | |
2190 | */ | |
2191 | switch (amdgpu_asic_reset_method(adev)) { | |
2192 | case AMD_RESET_METHOD_BACO: | |
2193 | case AMD_RESET_METHOD_MODE1: | |
2194 | return true; | |
2195 | default: | |
2196 | return false; | |
2197 | } | |
0c49e0b8 CZ |
2198 | } |
2199 | ||
e3ecdffa | 2200 | /** |
1112a46b | 2201 | * amdgpu_device_set_cg_state - set clockgating for amdgpu device |
e3ecdffa AD |
2202 | * |
2203 | * @adev: amdgpu_device pointer | |
b8b72130 | 2204 | * @state: clockgating state (gate or ungate) |
e3ecdffa | 2205 | * |
e3ecdffa | 2206 | * The list of all the hardware IPs that make up the asic is walked and the |
1112a46b RZ |
2207 | * set_clockgating_state callbacks are run. |
2208 | * Late initialization pass enabling clockgating for hardware IPs. | |
2209 | * Fini or suspend, pass disabling clockgating for hardware IPs. | |
e3ecdffa AD |
2210 | * Returns 0 on success, negative error code on failure. |
2211 | */ | |
fdd34271 | 2212 | |
1112a46b RZ |
2213 | static int amdgpu_device_set_cg_state(struct amdgpu_device *adev, |
2214 | enum amd_clockgating_state state) | |
d38ceaf9 | 2215 | { |
1112a46b | 2216 | int i, j, r; |
d38ceaf9 | 2217 | |
4a2ba394 SL |
2218 | if (amdgpu_emu_mode == 1) |
2219 | return 0; | |
2220 | ||
1112a46b RZ |
2221 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2222 | i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2223 | if (!adev->ip_blocks[i].status.late_initialized) |
d38ceaf9 | 2224 | continue; |
4a446d55 | 2225 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 | 2226 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
57716327 | 2227 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && |
34319b32 | 2228 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && |
52f2e779 | 2229 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
57716327 | 2230 | adev->ip_blocks[i].version->funcs->set_clockgating_state) { |
4a446d55 | 2231 | /* enable clockgating to save power */ |
a1255107 | 2232 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1112a46b | 2233 | state); |
4a446d55 AD |
2234 | if (r) { |
2235 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 2236 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
2237 | return r; |
2238 | } | |
b0b00ff1 | 2239 | } |
d38ceaf9 | 2240 | } |
06b18f61 | 2241 | |
c9f96fd5 RZ |
2242 | return 0; |
2243 | } | |
2244 | ||
1112a46b | 2245 | static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_powergating_state state) |
c9f96fd5 | 2246 | { |
1112a46b | 2247 | int i, j, r; |
06b18f61 | 2248 | |
c9f96fd5 RZ |
2249 | if (amdgpu_emu_mode == 1) |
2250 | return 0; | |
2251 | ||
1112a46b RZ |
2252 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2253 | i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; | |
a2d31dc3 | 2254 | if (!adev->ip_blocks[i].status.late_initialized) |
c9f96fd5 RZ |
2255 | continue; |
2256 | /* skip CG for VCE/UVD, it's handled specially */ | |
2257 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
2258 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && | |
2259 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && | |
52f2e779 | 2260 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && |
c9f96fd5 RZ |
2261 | adev->ip_blocks[i].version->funcs->set_powergating_state) { |
2262 | /* enable powergating to save power */ | |
2263 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1112a46b | 2264 | state); |
c9f96fd5 RZ |
2265 | if (r) { |
2266 | DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n", | |
2267 | adev->ip_blocks[i].version->funcs->name, r); | |
2268 | return r; | |
2269 | } | |
2270 | } | |
2271 | } | |
2dc80b00 S |
2272 | return 0; |
2273 | } | |
2274 | ||
beff74bc AD |
2275 | static int amdgpu_device_enable_mgpu_fan_boost(void) |
2276 | { | |
2277 | struct amdgpu_gpu_instance *gpu_ins; | |
2278 | struct amdgpu_device *adev; | |
2279 | int i, ret = 0; | |
2280 | ||
2281 | mutex_lock(&mgpu_info.mutex); | |
2282 | ||
2283 | /* | |
2284 | * MGPU fan boost feature should be enabled | |
2285 | * only when there are two or more dGPUs in | |
2286 | * the system | |
2287 | */ | |
2288 | if (mgpu_info.num_dgpu < 2) | |
2289 | goto out; | |
2290 | ||
2291 | for (i = 0; i < mgpu_info.num_dgpu; i++) { | |
2292 | gpu_ins = &(mgpu_info.gpu_ins[i]); | |
2293 | adev = gpu_ins->adev; | |
2294 | if (!(adev->flags & AMD_IS_APU) && | |
f10bb940 | 2295 | !gpu_ins->mgpu_fan_enabled) { |
beff74bc AD |
2296 | ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); |
2297 | if (ret) | |
2298 | break; | |
2299 | ||
2300 | gpu_ins->mgpu_fan_enabled = 1; | |
2301 | } | |
2302 | } | |
2303 | ||
2304 | out: | |
2305 | mutex_unlock(&mgpu_info.mutex); | |
2306 | ||
2307 | return ret; | |
2308 | } | |
2309 | ||
e3ecdffa AD |
2310 | /** |
2311 | * amdgpu_device_ip_late_init - run late init for hardware IPs | |
2312 | * | |
2313 | * @adev: amdgpu_device pointer | |
2314 | * | |
2315 | * Late initialization pass for hardware IPs. The list of all the hardware | |
2316 | * IPs that make up the asic is walked and the late_init callbacks are run. | |
2317 | * late_init covers any special initialization that an IP requires | |
2318 | * after all of the have been initialized or something that needs to happen | |
2319 | * late in the init process. | |
2320 | * Returns 0 on success, negative error code on failure. | |
2321 | */ | |
06ec9070 | 2322 | static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) |
2dc80b00 | 2323 | { |
60599a03 | 2324 | struct amdgpu_gpu_instance *gpu_instance; |
2dc80b00 S |
2325 | int i = 0, r; |
2326 | ||
2327 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
73f847db | 2328 | if (!adev->ip_blocks[i].status.hw) |
2dc80b00 S |
2329 | continue; |
2330 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
2331 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
2332 | if (r) { | |
2333 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
2334 | adev->ip_blocks[i].version->funcs->name, r); | |
2335 | return r; | |
2336 | } | |
2dc80b00 | 2337 | } |
73f847db | 2338 | adev->ip_blocks[i].status.late_initialized = true; |
2dc80b00 S |
2339 | } |
2340 | ||
a891d239 DL |
2341 | amdgpu_ras_set_error_query_ready(adev, true); |
2342 | ||
1112a46b RZ |
2343 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); |
2344 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); | |
916ac57f | 2345 | |
06ec9070 | 2346 | amdgpu_device_fill_reset_magic(adev); |
d38ceaf9 | 2347 | |
beff74bc AD |
2348 | r = amdgpu_device_enable_mgpu_fan_boost(); |
2349 | if (r) | |
2350 | DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); | |
2351 | ||
60599a03 EQ |
2352 | |
2353 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
2354 | mutex_lock(&mgpu_info.mutex); | |
2355 | ||
2356 | /* | |
2357 | * Reset device p-state to low as this was booted with high. | |
2358 | * | |
2359 | * This should be performed only after all devices from the same | |
2360 | * hive get initialized. | |
2361 | * | |
2362 | * However, it's unknown how many device in the hive in advance. | |
2363 | * As this is counted one by one during devices initializations. | |
2364 | * | |
2365 | * So, we wait for all XGMI interlinked devices initialized. | |
2366 | * This may bring some delays as those devices may come from | |
2367 | * different hives. But that should be OK. | |
2368 | */ | |
2369 | if (mgpu_info.num_dgpu == adev->gmc.xgmi.num_physical_nodes) { | |
2370 | for (i = 0; i < mgpu_info.num_gpu; i++) { | |
2371 | gpu_instance = &(mgpu_info.gpu_ins[i]); | |
2372 | if (gpu_instance->adev->flags & AMD_IS_APU) | |
2373 | continue; | |
2374 | ||
d84a430d JK |
2375 | r = amdgpu_xgmi_set_pstate(gpu_instance->adev, |
2376 | AMDGPU_XGMI_PSTATE_MIN); | |
60599a03 EQ |
2377 | if (r) { |
2378 | DRM_ERROR("pstate setting failed (%d).\n", r); | |
2379 | break; | |
2380 | } | |
2381 | } | |
2382 | } | |
2383 | ||
2384 | mutex_unlock(&mgpu_info.mutex); | |
2385 | } | |
2386 | ||
d38ceaf9 AD |
2387 | return 0; |
2388 | } | |
2389 | ||
e3ecdffa AD |
2390 | /** |
2391 | * amdgpu_device_ip_fini - run fini for hardware IPs | |
2392 | * | |
2393 | * @adev: amdgpu_device pointer | |
2394 | * | |
2395 | * Main teardown pass for hardware IPs. The list of all the hardware | |
2396 | * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks | |
2397 | * are run. hw_fini tears down the hardware associated with each IP | |
2398 | * and sw_fini tears down any software state associated with each IP. | |
2399 | * Returns 0 on success, negative error code on failure. | |
2400 | */ | |
06ec9070 | 2401 | static int amdgpu_device_ip_fini(struct amdgpu_device *adev) |
d38ceaf9 AD |
2402 | { |
2403 | int i, r; | |
2404 | ||
5278a159 SY |
2405 | if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) |
2406 | amdgpu_virt_release_ras_err_handler_data(adev); | |
2407 | ||
c030f2e4 | 2408 | amdgpu_ras_pre_fini(adev); |
2409 | ||
a82400b5 AG |
2410 | if (adev->gmc.xgmi.num_physical_nodes > 1) |
2411 | amdgpu_xgmi_remove_device(adev); | |
2412 | ||
1884734a | 2413 | amdgpu_amdkfd_device_fini(adev); |
05df1f01 RZ |
2414 | |
2415 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); | |
fdd34271 RZ |
2416 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); |
2417 | ||
3e96dbfd AD |
2418 | /* need to disable SMC first */ |
2419 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2420 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 2421 | continue; |
fdd34271 | 2422 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 | 2423 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
2424 | /* XXX handle errors */ |
2425 | if (r) { | |
2426 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 2427 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 2428 | } |
a1255107 | 2429 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
2430 | break; |
2431 | } | |
2432 | } | |
2433 | ||
d38ceaf9 | 2434 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2435 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2436 | continue; |
8201a67a | 2437 | |
a1255107 | 2438 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 2439 | /* XXX handle errors */ |
2c1a2784 | 2440 | if (r) { |
a1255107 AD |
2441 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
2442 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2443 | } |
8201a67a | 2444 | |
a1255107 | 2445 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2446 | } |
2447 | ||
9950cda2 | 2448 | |
d38ceaf9 | 2449 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2450 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 2451 | continue; |
c12aba3a ML |
2452 | |
2453 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { | |
c8963ea4 | 2454 | amdgpu_ucode_free_bo(adev); |
1e256e27 | 2455 | amdgpu_free_static_csa(&adev->virt.csa_obj); |
c12aba3a ML |
2456 | amdgpu_device_wb_fini(adev); |
2457 | amdgpu_device_vram_scratch_fini(adev); | |
533aed27 | 2458 | amdgpu_ib_pool_fini(adev); |
c12aba3a ML |
2459 | } |
2460 | ||
a1255107 | 2461 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 2462 | /* XXX handle errors */ |
2c1a2784 | 2463 | if (r) { |
a1255107 AD |
2464 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
2465 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2466 | } |
a1255107 AD |
2467 | adev->ip_blocks[i].status.sw = false; |
2468 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
2469 | } |
2470 | ||
a6dcfd9c | 2471 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 2472 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 2473 | continue; |
a1255107 AD |
2474 | if (adev->ip_blocks[i].version->funcs->late_fini) |
2475 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
2476 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
2477 | } |
2478 | ||
c030f2e4 | 2479 | amdgpu_ras_fini(adev); |
2480 | ||
030308fc | 2481 | if (amdgpu_sriov_vf(adev)) |
24136135 ML |
2482 | if (amdgpu_virt_release_full_gpu(adev, false)) |
2483 | DRM_ERROR("failed to release exclusive mode on fini\n"); | |
2493664f | 2484 | |
d38ceaf9 AD |
2485 | return 0; |
2486 | } | |
2487 | ||
e3ecdffa | 2488 | /** |
beff74bc | 2489 | * amdgpu_device_delayed_init_work_handler - work handler for IB tests |
e3ecdffa | 2490 | * |
1112a46b | 2491 | * @work: work_struct. |
e3ecdffa | 2492 | */ |
beff74bc | 2493 | static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) |
2dc80b00 S |
2494 | { |
2495 | struct amdgpu_device *adev = | |
beff74bc | 2496 | container_of(work, struct amdgpu_device, delayed_init_work.work); |
916ac57f RZ |
2497 | int r; |
2498 | ||
2499 | r = amdgpu_ib_ring_tests(adev); | |
2500 | if (r) | |
2501 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2dc80b00 S |
2502 | } |
2503 | ||
1e317b99 RZ |
2504 | static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |
2505 | { | |
2506 | struct amdgpu_device *adev = | |
2507 | container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); | |
2508 | ||
2509 | mutex_lock(&adev->gfx.gfx_off_mutex); | |
2510 | if (!adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) { | |
2511 | if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) | |
2512 | adev->gfx.gfx_off_state = true; | |
2513 | } | |
2514 | mutex_unlock(&adev->gfx.gfx_off_mutex); | |
2515 | } | |
2516 | ||
e3ecdffa | 2517 | /** |
e7854a03 | 2518 | * amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1) |
e3ecdffa AD |
2519 | * |
2520 | * @adev: amdgpu_device pointer | |
2521 | * | |
2522 | * Main suspend function for hardware IPs. The list of all the hardware | |
2523 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2524 | * suspend callbacks are run. suspend puts the hardware and software state | |
2525 | * in each IP into a state suitable for suspend. | |
2526 | * Returns 0 on success, negative error code on failure. | |
2527 | */ | |
e7854a03 AD |
2528 | static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) |
2529 | { | |
2530 | int i, r; | |
2531 | ||
ced1ba97 PL |
2532 | amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); |
2533 | amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); | |
05df1f01 | 2534 | |
e7854a03 AD |
2535 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
2536 | if (!adev->ip_blocks[i].status.valid) | |
2537 | continue; | |
2b9f7848 | 2538 | |
e7854a03 | 2539 | /* displays are handled separately */ |
2b9f7848 ND |
2540 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE) |
2541 | continue; | |
2542 | ||
2543 | /* XXX handle errors */ | |
2544 | r = adev->ip_blocks[i].version->funcs->suspend(adev); | |
2545 | /* XXX handle errors */ | |
2546 | if (r) { | |
2547 | DRM_ERROR("suspend of IP block <%s> failed %d\n", | |
2548 | adev->ip_blocks[i].version->funcs->name, r); | |
2549 | return r; | |
e7854a03 | 2550 | } |
2b9f7848 ND |
2551 | |
2552 | adev->ip_blocks[i].status.hw = false; | |
e7854a03 AD |
2553 | } |
2554 | ||
e7854a03 AD |
2555 | return 0; |
2556 | } | |
2557 | ||
2558 | /** | |
2559 | * amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2) | |
2560 | * | |
2561 | * @adev: amdgpu_device pointer | |
2562 | * | |
2563 | * Main suspend function for hardware IPs. The list of all the hardware | |
2564 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2565 | * suspend callbacks are run. suspend puts the hardware and software state | |
2566 | * in each IP into a state suitable for suspend. | |
2567 | * Returns 0 on success, negative error code on failure. | |
2568 | */ | |
2569 | static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) | |
d38ceaf9 AD |
2570 | { |
2571 | int i, r; | |
2572 | ||
2573 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
a1255107 | 2574 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2575 | continue; |
e7854a03 AD |
2576 | /* displays are handled in phase1 */ |
2577 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) | |
2578 | continue; | |
bff77e86 LM |
2579 | /* PSP lost connection when err_event_athub occurs */ |
2580 | if (amdgpu_ras_intr_triggered() && | |
2581 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
2582 | adev->ip_blocks[i].status.hw = false; | |
2583 | continue; | |
2584 | } | |
d38ceaf9 | 2585 | /* XXX handle errors */ |
a1255107 | 2586 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 2587 | /* XXX handle errors */ |
2c1a2784 | 2588 | if (r) { |
a1255107 AD |
2589 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
2590 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 2591 | } |
876923fb | 2592 | adev->ip_blocks[i].status.hw = false; |
a3a09142 | 2593 | /* handle putting the SMC in the appropriate state */ |
86b93fd6 JZ |
2594 | if(!amdgpu_sriov_vf(adev)){ |
2595 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { | |
2596 | r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); | |
2597 | if (r) { | |
2598 | DRM_ERROR("SMC failed to set mp1 state %d, %d\n", | |
2599 | adev->mp1_state, r); | |
2600 | return r; | |
2601 | } | |
a3a09142 AD |
2602 | } |
2603 | } | |
b5507c7e | 2604 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
2605 | } |
2606 | ||
2607 | return 0; | |
2608 | } | |
2609 | ||
e7854a03 AD |
2610 | /** |
2611 | * amdgpu_device_ip_suspend - run suspend for hardware IPs | |
2612 | * | |
2613 | * @adev: amdgpu_device pointer | |
2614 | * | |
2615 | * Main suspend function for hardware IPs. The list of all the hardware | |
2616 | * IPs that make up the asic is walked, clockgating is disabled and the | |
2617 | * suspend callbacks are run. suspend puts the hardware and software state | |
2618 | * in each IP into a state suitable for suspend. | |
2619 | * Returns 0 on success, negative error code on failure. | |
2620 | */ | |
2621 | int amdgpu_device_ip_suspend(struct amdgpu_device *adev) | |
2622 | { | |
2623 | int r; | |
2624 | ||
e7819644 YT |
2625 | if (amdgpu_sriov_vf(adev)) |
2626 | amdgpu_virt_request_full_gpu(adev, false); | |
2627 | ||
e7854a03 AD |
2628 | r = amdgpu_device_ip_suspend_phase1(adev); |
2629 | if (r) | |
2630 | return r; | |
2631 | r = amdgpu_device_ip_suspend_phase2(adev); | |
2632 | ||
e7819644 YT |
2633 | if (amdgpu_sriov_vf(adev)) |
2634 | amdgpu_virt_release_full_gpu(adev, false); | |
2635 | ||
e7854a03 AD |
2636 | return r; |
2637 | } | |
2638 | ||
06ec9070 | 2639 | static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2640 | { |
2641 | int i, r; | |
2642 | ||
2cb681b6 ML |
2643 | static enum amd_ip_block_type ip_order[] = { |
2644 | AMD_IP_BLOCK_TYPE_GMC, | |
2645 | AMD_IP_BLOCK_TYPE_COMMON, | |
39186aef | 2646 | AMD_IP_BLOCK_TYPE_PSP, |
2cb681b6 ML |
2647 | AMD_IP_BLOCK_TYPE_IH, |
2648 | }; | |
a90ad3c2 | 2649 | |
2cb681b6 ML |
2650 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2651 | int j; | |
2652 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2653 | |
4cd2a96d J |
2654 | block = &adev->ip_blocks[i]; |
2655 | block->status.hw = false; | |
2cb681b6 | 2656 | |
4cd2a96d | 2657 | for (j = 0; j < ARRAY_SIZE(ip_order); j++) { |
2cb681b6 | 2658 | |
4cd2a96d | 2659 | if (block->version->type != ip_order[j] || |
2cb681b6 ML |
2660 | !block->status.valid) |
2661 | continue; | |
2662 | ||
2663 | r = block->version->funcs->hw_init(adev); | |
0aaeefcc | 2664 | DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2665 | if (r) |
2666 | return r; | |
482f0e53 | 2667 | block->status.hw = true; |
a90ad3c2 ML |
2668 | } |
2669 | } | |
2670 | ||
2671 | return 0; | |
2672 | } | |
2673 | ||
06ec9070 | 2674 | static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) |
a90ad3c2 ML |
2675 | { |
2676 | int i, r; | |
2677 | ||
2cb681b6 ML |
2678 | static enum amd_ip_block_type ip_order[] = { |
2679 | AMD_IP_BLOCK_TYPE_SMC, | |
2680 | AMD_IP_BLOCK_TYPE_DCE, | |
2681 | AMD_IP_BLOCK_TYPE_GFX, | |
2682 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c | 2683 | AMD_IP_BLOCK_TYPE_UVD, |
d83c7a07 JJ |
2684 | AMD_IP_BLOCK_TYPE_VCE, |
2685 | AMD_IP_BLOCK_TYPE_VCN | |
2cb681b6 | 2686 | }; |
a90ad3c2 | 2687 | |
2cb681b6 ML |
2688 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
2689 | int j; | |
2690 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 2691 | |
2cb681b6 ML |
2692 | for (j = 0; j < adev->num_ip_blocks; j++) { |
2693 | block = &adev->ip_blocks[j]; | |
2694 | ||
2695 | if (block->version->type != ip_order[i] || | |
482f0e53 ML |
2696 | !block->status.valid || |
2697 | block->status.hw) | |
2cb681b6 ML |
2698 | continue; |
2699 | ||
895bd048 JZ |
2700 | if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) |
2701 | r = block->version->funcs->resume(adev); | |
2702 | else | |
2703 | r = block->version->funcs->hw_init(adev); | |
2704 | ||
0aaeefcc | 2705 | DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); |
c41d1cf6 ML |
2706 | if (r) |
2707 | return r; | |
482f0e53 | 2708 | block->status.hw = true; |
a90ad3c2 ML |
2709 | } |
2710 | } | |
2711 | ||
2712 | return 0; | |
2713 | } | |
2714 | ||
e3ecdffa AD |
2715 | /** |
2716 | * amdgpu_device_ip_resume_phase1 - run resume for hardware IPs | |
2717 | * | |
2718 | * @adev: amdgpu_device pointer | |
2719 | * | |
2720 | * First resume function for hardware IPs. The list of all the hardware | |
2721 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2722 | * COMMON, GMC, and IH. resume puts the hardware into a functional state | |
2723 | * after a suspend and updates the software state as necessary. This | |
2724 | * function is also used for restoring the GPU after a GPU reset. | |
2725 | * Returns 0 on success, negative error code on failure. | |
2726 | */ | |
06ec9070 | 2727 | static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
2728 | { |
2729 | int i, r; | |
2730 | ||
a90ad3c2 | 2731 | for (i = 0; i < adev->num_ip_blocks; i++) { |
482f0e53 | 2732 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
a90ad3c2 | 2733 | continue; |
a90ad3c2 | 2734 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa AD |
2735 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
2736 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { | |
482f0e53 | 2737 | |
fcf0649f CZ |
2738 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2739 | if (r) { | |
2740 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
2741 | adev->ip_blocks[i].version->funcs->name, r); | |
2742 | return r; | |
2743 | } | |
482f0e53 | 2744 | adev->ip_blocks[i].status.hw = true; |
a90ad3c2 ML |
2745 | } |
2746 | } | |
2747 | ||
2748 | return 0; | |
2749 | } | |
2750 | ||
e3ecdffa AD |
2751 | /** |
2752 | * amdgpu_device_ip_resume_phase2 - run resume for hardware IPs | |
2753 | * | |
2754 | * @adev: amdgpu_device pointer | |
2755 | * | |
2756 | * First resume function for hardware IPs. The list of all the hardware | |
2757 | * IPs that make up the asic is walked and the resume callbacks are run for | |
2758 | * all blocks except COMMON, GMC, and IH. resume puts the hardware into a | |
2759 | * functional state after a suspend and updates the software state as | |
2760 | * necessary. This function is also used for restoring the GPU after a GPU | |
2761 | * reset. | |
2762 | * Returns 0 on success, negative error code on failure. | |
2763 | */ | |
06ec9070 | 2764 | static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
2765 | { |
2766 | int i, r; | |
2767 | ||
2768 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
482f0e53 | 2769 | if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw) |
d38ceaf9 | 2770 | continue; |
fcf0649f | 2771 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
e3ecdffa | 2772 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || |
7a3e0bb2 RZ |
2773 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || |
2774 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) | |
fcf0649f | 2775 | continue; |
a1255107 | 2776 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 2777 | if (r) { |
a1255107 AD |
2778 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
2779 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2780 | return r; |
2c1a2784 | 2781 | } |
482f0e53 | 2782 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
2783 | } |
2784 | ||
2785 | return 0; | |
2786 | } | |
2787 | ||
e3ecdffa AD |
2788 | /** |
2789 | * amdgpu_device_ip_resume - run resume for hardware IPs | |
2790 | * | |
2791 | * @adev: amdgpu_device pointer | |
2792 | * | |
2793 | * Main resume function for hardware IPs. The hardware IPs | |
2794 | * are split into two resume functions because they are | |
2795 | * are also used in in recovering from a GPU reset and some additional | |
2796 | * steps need to be take between them. In this case (S3/S4) they are | |
2797 | * run sequentially. | |
2798 | * Returns 0 on success, negative error code on failure. | |
2799 | */ | |
06ec9070 | 2800 | static int amdgpu_device_ip_resume(struct amdgpu_device *adev) |
fcf0649f CZ |
2801 | { |
2802 | int r; | |
2803 | ||
06ec9070 | 2804 | r = amdgpu_device_ip_resume_phase1(adev); |
fcf0649f CZ |
2805 | if (r) |
2806 | return r; | |
7a3e0bb2 RZ |
2807 | |
2808 | r = amdgpu_device_fw_loading(adev); | |
2809 | if (r) | |
2810 | return r; | |
2811 | ||
06ec9070 | 2812 | r = amdgpu_device_ip_resume_phase2(adev); |
fcf0649f CZ |
2813 | |
2814 | return r; | |
2815 | } | |
2816 | ||
e3ecdffa AD |
2817 | /** |
2818 | * amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV | |
2819 | * | |
2820 | * @adev: amdgpu_device pointer | |
2821 | * | |
2822 | * Query the VBIOS data tables to determine if the board supports SR-IOV. | |
2823 | */ | |
4e99a44e | 2824 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 2825 | { |
6867e1b5 ML |
2826 | if (amdgpu_sriov_vf(adev)) { |
2827 | if (adev->is_atom_fw) { | |
2828 | if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) | |
2829 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2830 | } else { | |
2831 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
2832 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2833 | } | |
2834 | ||
2835 | if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)) | |
2836 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); | |
a5bde2f9 | 2837 | } |
048765ad AR |
2838 | } |
2839 | ||
e3ecdffa AD |
2840 | /** |
2841 | * amdgpu_device_asic_has_dc_support - determine if DC supports the asic | |
2842 | * | |
2843 | * @asic_type: AMD asic type | |
2844 | * | |
2845 | * Check if there is DC (new modesetting infrastructre) support for an asic. | |
2846 | * returns true if DC has support, false if not. | |
2847 | */ | |
4562236b HW |
2848 | bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) |
2849 | { | |
2850 | switch (asic_type) { | |
2851 | #if defined(CONFIG_DRM_AMD_DC) | |
64200c46 MR |
2852 | #if defined(CONFIG_DRM_AMD_DC_SI) |
2853 | case CHIP_TAHITI: | |
2854 | case CHIP_PITCAIRN: | |
2855 | case CHIP_VERDE: | |
2856 | case CHIP_OLAND: | |
2857 | #endif | |
4562236b | 2858 | case CHIP_BONAIRE: |
0d6fbccb | 2859 | case CHIP_KAVERI: |
367e6687 AD |
2860 | case CHIP_KABINI: |
2861 | case CHIP_MULLINS: | |
d9fda248 HW |
2862 | /* |
2863 | * We have systems in the wild with these ASICs that require | |
2864 | * LVDS and VGA support which is not supported with DC. | |
2865 | * | |
2866 | * Fallback to the non-DC driver here by default so as not to | |
2867 | * cause regressions. | |
2868 | */ | |
2869 | return amdgpu_dc > 0; | |
2870 | case CHIP_HAWAII: | |
4562236b HW |
2871 | case CHIP_CARRIZO: |
2872 | case CHIP_STONEY: | |
4562236b | 2873 | case CHIP_POLARIS10: |
675fd32b | 2874 | case CHIP_POLARIS11: |
2c8ad2d5 | 2875 | case CHIP_POLARIS12: |
675fd32b | 2876 | case CHIP_VEGAM: |
4562236b HW |
2877 | case CHIP_TONGA: |
2878 | case CHIP_FIJI: | |
42f8ffa1 | 2879 | case CHIP_VEGA10: |
dca7b401 | 2880 | case CHIP_VEGA12: |
c6034aa2 | 2881 | case CHIP_VEGA20: |
b86a1aa3 | 2882 | #if defined(CONFIG_DRM_AMD_DC_DCN) |
fd187853 | 2883 | case CHIP_RAVEN: |
b4f199c7 | 2884 | case CHIP_NAVI10: |
8fceceb6 | 2885 | case CHIP_NAVI14: |
078655d9 | 2886 | case CHIP_NAVI12: |
e1c14c43 | 2887 | case CHIP_RENOIR: |
81d9bfb8 JFZ |
2888 | #endif |
2889 | #if defined(CONFIG_DRM_AMD_DC_DCN3_0) | |
2890 | case CHIP_SIENNA_CICHLID: | |
a6c5308f | 2891 | case CHIP_NAVY_FLOUNDER: |
42f8ffa1 | 2892 | #endif |
fd187853 | 2893 | return amdgpu_dc != 0; |
4562236b HW |
2894 | #endif |
2895 | default: | |
93b09a9a SS |
2896 | if (amdgpu_dc > 0) |
2897 | DRM_INFO("Display Core has been requested via kernel parameter " | |
2898 | "but isn't supported by ASIC, ignoring\n"); | |
4562236b HW |
2899 | return false; |
2900 | } | |
2901 | } | |
2902 | ||
2903 | /** | |
2904 | * amdgpu_device_has_dc_support - check if dc is supported | |
2905 | * | |
2906 | * @adev: amdgpu_device_pointer | |
2907 | * | |
2908 | * Returns true for supported, false for not supported | |
2909 | */ | |
2910 | bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) | |
2911 | { | |
c997e8e2 | 2912 | if (amdgpu_sriov_vf(adev) || adev->enable_virtual_display) |
2555039d XY |
2913 | return false; |
2914 | ||
4562236b HW |
2915 | return amdgpu_device_asic_has_dc_support(adev->asic_type); |
2916 | } | |
2917 | ||
d4535e2c AG |
2918 | |
2919 | static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) | |
2920 | { | |
2921 | struct amdgpu_device *adev = | |
2922 | container_of(__work, struct amdgpu_device, xgmi_reset_work); | |
d95e8e97 | 2923 | struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); |
d4535e2c | 2924 | |
c6a6e2db AG |
2925 | /* It's a bug to not have a hive within this function */ |
2926 | if (WARN_ON(!hive)) | |
2927 | return; | |
2928 | ||
2929 | /* | |
2930 | * Use task barrier to synchronize all xgmi reset works across the | |
2931 | * hive. task_barrier_enter and task_barrier_exit will block | |
2932 | * until all the threads running the xgmi reset works reach | |
2933 | * those points. task_barrier_full will do both blocks. | |
2934 | */ | |
2935 | if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { | |
2936 | ||
2937 | task_barrier_enter(&hive->tb); | |
4a580877 | 2938 | adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev)); |
c6a6e2db AG |
2939 | |
2940 | if (adev->asic_reset_res) | |
2941 | goto fail; | |
2942 | ||
2943 | task_barrier_exit(&hive->tb); | |
4a580877 | 2944 | adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev)); |
c6a6e2db AG |
2945 | |
2946 | if (adev->asic_reset_res) | |
2947 | goto fail; | |
43c4d576 JC |
2948 | |
2949 | if (adev->mmhub.funcs && adev->mmhub.funcs->reset_ras_error_count) | |
2950 | adev->mmhub.funcs->reset_ras_error_count(adev); | |
c6a6e2db AG |
2951 | } else { |
2952 | ||
2953 | task_barrier_full(&hive->tb); | |
2954 | adev->asic_reset_res = amdgpu_asic_reset(adev); | |
2955 | } | |
ce316fa5 | 2956 | |
c6a6e2db | 2957 | fail: |
d4535e2c | 2958 | if (adev->asic_reset_res) |
fed184e9 | 2959 | DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 2960 | adev->asic_reset_res, adev_to_drm(adev)->unique); |
d95e8e97 | 2961 | amdgpu_put_xgmi_hive(hive); |
d4535e2c AG |
2962 | } |
2963 | ||
71f98027 AD |
2964 | static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) |
2965 | { | |
2966 | char *input = amdgpu_lockup_timeout; | |
2967 | char *timeout_setting = NULL; | |
2968 | int index = 0; | |
2969 | long timeout; | |
2970 | int ret = 0; | |
2971 | ||
2972 | /* | |
2973 | * By default timeout for non compute jobs is 10000. | |
2974 | * And there is no timeout enforced on compute jobs. | |
2975 | * In SR-IOV or passthrough mode, timeout for compute | |
b7b2a316 | 2976 | * jobs are 60000 by default. |
71f98027 AD |
2977 | */ |
2978 | adev->gfx_timeout = msecs_to_jiffies(10000); | |
2979 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; | |
2980 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) | |
b7b2a316 | 2981 | adev->compute_timeout = msecs_to_jiffies(60000); |
71f98027 AD |
2982 | else |
2983 | adev->compute_timeout = MAX_SCHEDULE_TIMEOUT; | |
2984 | ||
f440ff44 | 2985 | if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 | 2986 | while ((timeout_setting = strsep(&input, ",")) && |
f440ff44 | 2987 | strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { |
71f98027 AD |
2988 | ret = kstrtol(timeout_setting, 0, &timeout); |
2989 | if (ret) | |
2990 | return ret; | |
2991 | ||
2992 | if (timeout == 0) { | |
2993 | index++; | |
2994 | continue; | |
2995 | } else if (timeout < 0) { | |
2996 | timeout = MAX_SCHEDULE_TIMEOUT; | |
2997 | } else { | |
2998 | timeout = msecs_to_jiffies(timeout); | |
2999 | } | |
3000 | ||
3001 | switch (index++) { | |
3002 | case 0: | |
3003 | adev->gfx_timeout = timeout; | |
3004 | break; | |
3005 | case 1: | |
3006 | adev->compute_timeout = timeout; | |
3007 | break; | |
3008 | case 2: | |
3009 | adev->sdma_timeout = timeout; | |
3010 | break; | |
3011 | case 3: | |
3012 | adev->video_timeout = timeout; | |
3013 | break; | |
3014 | default: | |
3015 | break; | |
3016 | } | |
3017 | } | |
3018 | /* | |
3019 | * There is only one value specified and | |
3020 | * it should apply to all non-compute jobs. | |
3021 | */ | |
bcccee89 | 3022 | if (index == 1) { |
71f98027 | 3023 | adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; |
bcccee89 ED |
3024 | if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) |
3025 | adev->compute_timeout = adev->gfx_timeout; | |
3026 | } | |
71f98027 AD |
3027 | } |
3028 | ||
3029 | return ret; | |
3030 | } | |
d4535e2c | 3031 | |
77f3a5cd ND |
3032 | static const struct attribute *amdgpu_dev_attributes[] = { |
3033 | &dev_attr_product_name.attr, | |
3034 | &dev_attr_product_number.attr, | |
3035 | &dev_attr_serial_number.attr, | |
3036 | &dev_attr_pcie_replay_count.attr, | |
3037 | NULL | |
3038 | }; | |
3039 | ||
c9a6b82f | 3040 | |
d38ceaf9 AD |
3041 | /** |
3042 | * amdgpu_device_init - initialize the driver | |
3043 | * | |
3044 | * @adev: amdgpu_device pointer | |
d38ceaf9 AD |
3045 | * @flags: driver flags |
3046 | * | |
3047 | * Initializes the driver info and hw (all asics). | |
3048 | * Returns 0 for success or an error on failure. | |
3049 | * Called at driver startup. | |
3050 | */ | |
3051 | int amdgpu_device_init(struct amdgpu_device *adev, | |
d38ceaf9 AD |
3052 | uint32_t flags) |
3053 | { | |
8aba21b7 LT |
3054 | struct drm_device *ddev = adev_to_drm(adev); |
3055 | struct pci_dev *pdev = adev->pdev; | |
d38ceaf9 | 3056 | int r, i; |
3840c5bc | 3057 | bool boco = false; |
95844d20 | 3058 | u32 max_MBps; |
d38ceaf9 AD |
3059 | |
3060 | adev->shutdown = false; | |
d38ceaf9 | 3061 | adev->flags = flags; |
4e66d7d2 YZ |
3062 | |
3063 | if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST) | |
3064 | adev->asic_type = amdgpu_force_asic_type; | |
3065 | else | |
3066 | adev->asic_type = flags & AMD_ASIC_MASK; | |
3067 | ||
d38ceaf9 | 3068 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
593aa2d2 | 3069 | if (amdgpu_emu_mode == 1) |
8bdab6bb | 3070 | adev->usec_timeout *= 10; |
770d13b1 | 3071 | adev->gmc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
3072 | adev->accel_working = false; |
3073 | adev->num_rings = 0; | |
3074 | adev->mman.buffer_funcs = NULL; | |
3075 | adev->mman.buffer_funcs_ring = NULL; | |
3076 | adev->vm_manager.vm_pte_funcs = NULL; | |
0c88b430 | 3077 | adev->vm_manager.vm_pte_num_scheds = 0; |
132f34e4 | 3078 | adev->gmc.gmc_funcs = NULL; |
f54d1867 | 3079 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
b8866c26 | 3080 | bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); |
d38ceaf9 AD |
3081 | |
3082 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
3083 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
3084 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
3085 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
3086 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
3087 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
4fa1c6a6 TZ |
3088 | adev->pcie_rreg64 = &amdgpu_invalid_rreg64; |
3089 | adev->pcie_wreg64 = &amdgpu_invalid_wreg64; | |
d38ceaf9 AD |
3090 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
3091 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
3092 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
3093 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
3094 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
3095 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
3096 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
3097 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
3098 | ||
3e39ab90 AD |
3099 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
3100 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
3101 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
3102 | |
3103 | /* mutex initialization are all done here so we | |
3104 | * can recall function without having locking issues */ | |
d38ceaf9 | 3105 | atomic_set(&adev->irq.ih.lock, 0); |
0e5ca0d1 | 3106 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
3107 | mutex_init(&adev->pm.mutex); |
3108 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
3109 | mutex_init(&adev->srbm_mutex); | |
b8866c26 | 3110 | mutex_init(&adev->gfx.pipe_reserve_mutex); |
d23ee13f | 3111 | mutex_init(&adev->gfx.gfx_off_mutex); |
d38ceaf9 | 3112 | mutex_init(&adev->grbm_idx_mutex); |
d38ceaf9 | 3113 | mutex_init(&adev->mn_lock); |
e23b74aa | 3114 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 | 3115 | hash_init(adev->mn_hash); |
53b3f8f4 | 3116 | atomic_set(&adev->in_gpu_reset, 0); |
6049db43 | 3117 | init_rwsem(&adev->reset_sem); |
32eaeae0 | 3118 | mutex_init(&adev->psp.mutex); |
bd052211 | 3119 | mutex_init(&adev->notifier_lock); |
d38ceaf9 | 3120 | |
912dfc84 EQ |
3121 | r = amdgpu_device_check_arguments(adev); |
3122 | if (r) | |
3123 | return r; | |
d38ceaf9 | 3124 | |
d38ceaf9 AD |
3125 | spin_lock_init(&adev->mmio_idx_lock); |
3126 | spin_lock_init(&adev->smc_idx_lock); | |
3127 | spin_lock_init(&adev->pcie_idx_lock); | |
3128 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
3129 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 3130 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 3131 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 3132 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 3133 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 3134 | |
0c4e7fa5 CZ |
3135 | INIT_LIST_HEAD(&adev->shadow_list); |
3136 | mutex_init(&adev->shadow_list_lock); | |
3137 | ||
beff74bc AD |
3138 | INIT_DELAYED_WORK(&adev->delayed_init_work, |
3139 | amdgpu_device_delayed_init_work_handler); | |
1e317b99 RZ |
3140 | INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work, |
3141 | amdgpu_device_delay_enable_gfx_off); | |
2dc80b00 | 3142 | |
d4535e2c AG |
3143 | INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); |
3144 | ||
d23ee13f | 3145 | adev->gfx.gfx_off_req_count = 1; |
b6e79d9a | 3146 | adev->pm.ac_power = power_supply_is_system_supplied() > 0; |
b1ddf548 | 3147 | |
b265bdbd EQ |
3148 | atomic_set(&adev->throttling_logging_enabled, 1); |
3149 | /* | |
3150 | * If throttling continues, logging will be performed every minute | |
3151 | * to avoid log flooding. "-1" is subtracted since the thermal | |
3152 | * throttling interrupt comes every second. Thus, the total logging | |
3153 | * interval is 59 seconds(retelimited printk interval) + 1(waiting | |
3154 | * for throttling interrupt) = 60 seconds. | |
3155 | */ | |
3156 | ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZ, 1); | |
3157 | ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE); | |
3158 | ||
0fa49558 AX |
3159 | /* Registers mapping */ |
3160 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
3161 | if (adev->asic_type >= CHIP_BONAIRE) { |
3162 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
3163 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
3164 | } else { | |
3165 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
3166 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
3167 | } | |
d38ceaf9 | 3168 | |
d38ceaf9 AD |
3169 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
3170 | if (adev->rmmio == NULL) { | |
3171 | return -ENOMEM; | |
3172 | } | |
3173 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
3174 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
3175 | ||
d38ceaf9 AD |
3176 | /* io port mapping */ |
3177 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
3178 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
3179 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
3180 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
3181 | break; | |
3182 | } | |
3183 | } | |
3184 | if (adev->rio_mem == NULL) | |
b64a18c5 | 3185 | DRM_INFO("PCI I/O BAR is not found.\n"); |
d38ceaf9 | 3186 | |
b2109d8e JX |
3187 | /* enable PCIE atomic ops */ |
3188 | r = pci_enable_atomic_ops_to_root(adev->pdev, | |
3189 | PCI_EXP_DEVCAP2_ATOMIC_COMP32 | | |
3190 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); | |
3191 | if (r) { | |
3192 | adev->have_atomics_support = false; | |
3193 | DRM_INFO("PCIE atomic ops is not supported\n"); | |
3194 | } else { | |
3195 | adev->have_atomics_support = true; | |
3196 | } | |
3197 | ||
5494d864 AD |
3198 | amdgpu_device_get_pcie_info(adev); |
3199 | ||
b239c017 JX |
3200 | if (amdgpu_mcbp) |
3201 | DRM_INFO("MCBP is enabled\n"); | |
3202 | ||
5f84cc63 JX |
3203 | if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10) |
3204 | adev->enable_mes = true; | |
3205 | ||
3aa0115d ML |
3206 | /* detect hw virtualization here */ |
3207 | amdgpu_detect_virtualization(adev); | |
3208 | ||
dffa11b4 ML |
3209 | r = amdgpu_device_get_job_timeout_settings(adev); |
3210 | if (r) { | |
3211 | dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); | |
3212 | return r; | |
a190d1c7 XY |
3213 | } |
3214 | ||
d38ceaf9 | 3215 | /* early init functions */ |
06ec9070 | 3216 | r = amdgpu_device_ip_early_init(adev); |
d38ceaf9 AD |
3217 | if (r) |
3218 | return r; | |
3219 | ||
6585661d OZ |
3220 | /* doorbell bar mapping and doorbell index init*/ |
3221 | amdgpu_device_doorbell_init(adev); | |
3222 | ||
d38ceaf9 AD |
3223 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ |
3224 | /* this will fail for cards that aren't VGA class devices, just | |
3225 | * ignore it */ | |
06ec9070 | 3226 | vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); |
d38ceaf9 | 3227 | |
31af062a | 3228 | if (amdgpu_device_supports_boco(ddev)) |
3840c5bc AD |
3229 | boco = true; |
3230 | if (amdgpu_has_atpx() && | |
3231 | (amdgpu_is_atpx_hybrid() || | |
3232 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
3233 | !pci_is_thunderbolt_attached(adev->pdev)) | |
84c8b22e | 3234 | vga_switcheroo_register_client(adev->pdev, |
3840c5bc AD |
3235 | &amdgpu_switcheroo_ops, boco); |
3236 | if (boco) | |
d38ceaf9 AD |
3237 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); |
3238 | ||
9475a943 SL |
3239 | if (amdgpu_emu_mode == 1) { |
3240 | /* post the asic on emulation mode */ | |
3241 | emu_soc_asic_init(adev); | |
bfca0289 | 3242 | goto fence_driver_init; |
9475a943 | 3243 | } |
bfca0289 | 3244 | |
4e99a44e ML |
3245 | /* detect if we are with an SRIOV vbios */ |
3246 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 3247 | |
95e8e59e AD |
3248 | /* check if we need to reset the asic |
3249 | * E.g., driver was not cleanly unloaded previously, etc. | |
3250 | */ | |
f14899fd | 3251 | if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { |
95e8e59e AD |
3252 | r = amdgpu_asic_reset(adev); |
3253 | if (r) { | |
3254 | dev_err(adev->dev, "asic reset on init failed\n"); | |
3255 | goto failed; | |
3256 | } | |
3257 | } | |
3258 | ||
c9a6b82f AG |
3259 | pci_enable_pcie_error_reporting(adev->ddev.pdev); |
3260 | ||
d38ceaf9 | 3261 | /* Post card if necessary */ |
39c640c0 | 3262 | if (amdgpu_device_need_post(adev)) { |
d38ceaf9 | 3263 | if (!adev->bios) { |
bec86378 | 3264 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
3265 | r = -EINVAL; |
3266 | goto failed; | |
d38ceaf9 | 3267 | } |
bec86378 | 3268 | DRM_INFO("GPU posting now...\n"); |
4d2997ab | 3269 | r = amdgpu_device_asic_init(adev); |
4e99a44e ML |
3270 | if (r) { |
3271 | dev_err(adev->dev, "gpu post error!\n"); | |
3272 | goto failed; | |
3273 | } | |
d38ceaf9 AD |
3274 | } |
3275 | ||
88b64e95 AD |
3276 | if (adev->is_atom_fw) { |
3277 | /* Initialize clocks */ | |
3278 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
3279 | if (r) { | |
3280 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
e23b74aa | 3281 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
88b64e95 AD |
3282 | goto failed; |
3283 | } | |
3284 | } else { | |
a5bde2f9 AD |
3285 | /* Initialize clocks */ |
3286 | r = amdgpu_atombios_get_clock_info(adev); | |
3287 | if (r) { | |
3288 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
e23b74aa | 3289 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
89041940 | 3290 | goto failed; |
a5bde2f9 AD |
3291 | } |
3292 | /* init i2c buses */ | |
4562236b HW |
3293 | if (!amdgpu_device_has_dc_support(adev)) |
3294 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 3295 | } |
d38ceaf9 | 3296 | |
bfca0289 | 3297 | fence_driver_init: |
d38ceaf9 AD |
3298 | /* Fence driver */ |
3299 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
3300 | if (r) { |
3301 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
e23b74aa | 3302 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 3303 | goto failed; |
2c1a2784 | 3304 | } |
d38ceaf9 AD |
3305 | |
3306 | /* init the mode config */ | |
4a580877 | 3307 | drm_mode_config_init(adev_to_drm(adev)); |
d38ceaf9 | 3308 | |
06ec9070 | 3309 | r = amdgpu_device_ip_init(adev); |
d38ceaf9 | 3310 | if (r) { |
8840a387 | 3311 | /* failed in exclusive mode due to timeout */ |
3312 | if (amdgpu_sriov_vf(adev) && | |
3313 | !amdgpu_sriov_runtime(adev) && | |
3314 | amdgpu_virt_mmio_blocked(adev) && | |
3315 | !amdgpu_virt_wait_reset(adev)) { | |
3316 | dev_err(adev->dev, "VF exclusive mode timeout\n"); | |
1daee8b4 PD |
3317 | /* Don't send request since VF is inactive. */ |
3318 | adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; | |
3319 | adev->virt.ops = NULL; | |
8840a387 | 3320 | r = -EAGAIN; |
3321 | goto failed; | |
3322 | } | |
06ec9070 | 3323 | dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); |
e23b74aa | 3324 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
83ba126a | 3325 | goto failed; |
d38ceaf9 AD |
3326 | } |
3327 | ||
d69b8971 YZ |
3328 | dev_info(adev->dev, |
3329 | "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n", | |
d7f72fe4 YZ |
3330 | adev->gfx.config.max_shader_engines, |
3331 | adev->gfx.config.max_sh_per_se, | |
3332 | adev->gfx.config.max_cu_per_sh, | |
3333 | adev->gfx.cu_info.number); | |
3334 | ||
d38ceaf9 AD |
3335 | adev->accel_working = true; |
3336 | ||
e59c0205 AX |
3337 | amdgpu_vm_check_compute_bug(adev); |
3338 | ||
95844d20 MO |
3339 | /* Initialize the buffer migration limit. */ |
3340 | if (amdgpu_moverate >= 0) | |
3341 | max_MBps = amdgpu_moverate; | |
3342 | else | |
3343 | max_MBps = 8; /* Allow 8 MB/s. */ | |
3344 | /* Get a log2 for easy divisions. */ | |
3345 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
3346 | ||
9bc92b9c ML |
3347 | amdgpu_fbdev_init(adev); |
3348 | ||
d2f52ac8 | 3349 | r = amdgpu_pm_sysfs_init(adev); |
7c868b59 YT |
3350 | if (r) { |
3351 | adev->pm_sysfs_en = false; | |
d2f52ac8 | 3352 | DRM_ERROR("registering pm debugfs failed (%d).\n", r); |
7c868b59 YT |
3353 | } else |
3354 | adev->pm_sysfs_en = true; | |
d2f52ac8 | 3355 | |
5bb23532 | 3356 | r = amdgpu_ucode_sysfs_init(adev); |
7c868b59 YT |
3357 | if (r) { |
3358 | adev->ucode_sysfs_en = false; | |
5bb23532 | 3359 | DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); |
7c868b59 YT |
3360 | } else |
3361 | adev->ucode_sysfs_en = true; | |
5bb23532 | 3362 | |
d38ceaf9 AD |
3363 | if ((amdgpu_testing & 1)) { |
3364 | if (adev->accel_working) | |
3365 | amdgpu_test_moves(adev); | |
3366 | else | |
3367 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
3368 | } | |
d38ceaf9 AD |
3369 | if (amdgpu_benchmarking) { |
3370 | if (adev->accel_working) | |
3371 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
3372 | else | |
3373 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
3374 | } | |
3375 | ||
b0adca4d EQ |
3376 | /* |
3377 | * Register gpu instance before amdgpu_device_enable_mgpu_fan_boost. | |
3378 | * Otherwise the mgpu fan boost feature will be skipped due to the | |
3379 | * gpu instance is counted less. | |
3380 | */ | |
3381 | amdgpu_register_gpu_instance(adev); | |
3382 | ||
d38ceaf9 AD |
3383 | /* enable clockgating, etc. after ib tests, etc. since some blocks require |
3384 | * explicit gating rather than handling it automatically. | |
3385 | */ | |
06ec9070 | 3386 | r = amdgpu_device_ip_late_init(adev); |
2c1a2784 | 3387 | if (r) { |
06ec9070 | 3388 | dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); |
e23b74aa | 3389 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); |
83ba126a | 3390 | goto failed; |
2c1a2784 | 3391 | } |
d38ceaf9 | 3392 | |
108c6a63 | 3393 | /* must succeed. */ |
511fdbc3 | 3394 | amdgpu_ras_resume(adev); |
108c6a63 | 3395 | |
beff74bc AD |
3396 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3397 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3398 | ||
2c738637 ML |
3399 | if (amdgpu_sriov_vf(adev)) |
3400 | flush_delayed_work(&adev->delayed_init_work); | |
3401 | ||
77f3a5cd | 3402 | r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes); |
bd607166 | 3403 | if (r) { |
77f3a5cd | 3404 | dev_err(adev->dev, "Could not create amdgpu device attr\n"); |
bd607166 KR |
3405 | return r; |
3406 | } | |
3407 | ||
d155bef0 AB |
3408 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3409 | r = amdgpu_pmu_init(adev); | |
9c7c85f7 JK |
3410 | if (r) |
3411 | dev_err(adev->dev, "amdgpu_pmu_init failed\n"); | |
3412 | ||
c1dd4aa6 AG |
3413 | /* Have stored pci confspace at hand for restore in sudden PCI error */ |
3414 | if (amdgpu_device_cache_pci_state(adev->pdev)) | |
3415 | pci_restore_state(pdev); | |
3416 | ||
d38ceaf9 | 3417 | return 0; |
83ba126a AD |
3418 | |
3419 | failed: | |
89041940 | 3420 | amdgpu_vf_error_trans_all(adev); |
3840c5bc | 3421 | if (boco) |
83ba126a | 3422 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
8840a387 | 3423 | |
83ba126a | 3424 | return r; |
d38ceaf9 AD |
3425 | } |
3426 | ||
d38ceaf9 AD |
3427 | /** |
3428 | * amdgpu_device_fini - tear down the driver | |
3429 | * | |
3430 | * @adev: amdgpu_device pointer | |
3431 | * | |
3432 | * Tear down the driver info (all asics). | |
3433 | * Called at driver shutdown. | |
3434 | */ | |
3435 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
3436 | { | |
aac89168 | 3437 | dev_info(adev->dev, "amdgpu: finishing device.\n"); |
9f875167 | 3438 | flush_delayed_work(&adev->delayed_init_work); |
d0d13fe8 | 3439 | adev->shutdown = true; |
9f875167 | 3440 | |
c1dd4aa6 AG |
3441 | kfree(adev->pci_state); |
3442 | ||
752c683d ML |
3443 | /* make sure IB test finished before entering exclusive mode |
3444 | * to avoid preemption on IB test | |
3445 | * */ | |
3446 | if (amdgpu_sriov_vf(adev)) | |
3447 | amdgpu_virt_request_full_gpu(adev, false); | |
3448 | ||
e5b03032 ML |
3449 | /* disable all interrupts */ |
3450 | amdgpu_irq_disable_all(adev); | |
ff97cba8 ML |
3451 | if (adev->mode_info.mode_config_initialized){ |
3452 | if (!amdgpu_device_has_dc_support(adev)) | |
4a580877 | 3453 | drm_helper_force_disable_all(adev_to_drm(adev)); |
ff97cba8 | 3454 | else |
4a580877 | 3455 | drm_atomic_helper_shutdown(adev_to_drm(adev)); |
ff97cba8 | 3456 | } |
d38ceaf9 | 3457 | amdgpu_fence_driver_fini(adev); |
7c868b59 YT |
3458 | if (adev->pm_sysfs_en) |
3459 | amdgpu_pm_sysfs_fini(adev); | |
d38ceaf9 | 3460 | amdgpu_fbdev_fini(adev); |
e230ac11 | 3461 | amdgpu_device_ip_fini(adev); |
75e1658e ND |
3462 | release_firmware(adev->firmware.gpu_info_fw); |
3463 | adev->firmware.gpu_info_fw = NULL; | |
d38ceaf9 AD |
3464 | adev->accel_working = false; |
3465 | /* free i2c buses */ | |
4562236b HW |
3466 | if (!amdgpu_device_has_dc_support(adev)) |
3467 | amdgpu_i2c_fini(adev); | |
bfca0289 SL |
3468 | |
3469 | if (amdgpu_emu_mode != 1) | |
3470 | amdgpu_atombios_fini(adev); | |
3471 | ||
d38ceaf9 AD |
3472 | kfree(adev->bios); |
3473 | adev->bios = NULL; | |
3840c5bc AD |
3474 | if (amdgpu_has_atpx() && |
3475 | (amdgpu_is_atpx_hybrid() || | |
3476 | amdgpu_has_atpx_dgpu_power_cntl()) && | |
3477 | !pci_is_thunderbolt_attached(adev->pdev)) | |
84c8b22e | 3478 | vga_switcheroo_unregister_client(adev->pdev); |
4a580877 | 3479 | if (amdgpu_device_supports_boco(adev_to_drm(adev))) |
83ba126a | 3480 | vga_switcheroo_fini_domain_pm_ops(adev->dev); |
d38ceaf9 AD |
3481 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
3482 | if (adev->rio_mem) | |
3483 | pci_iounmap(adev->pdev, adev->rio_mem); | |
3484 | adev->rio_mem = NULL; | |
3485 | iounmap(adev->rmmio); | |
3486 | adev->rmmio = NULL; | |
06ec9070 | 3487 | amdgpu_device_doorbell_fini(adev); |
e9bc1bf7 | 3488 | |
7c868b59 YT |
3489 | if (adev->ucode_sysfs_en) |
3490 | amdgpu_ucode_sysfs_fini(adev); | |
77f3a5cd ND |
3491 | |
3492 | sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes); | |
d155bef0 AB |
3493 | if (IS_ENABLED(CONFIG_PERF_EVENTS)) |
3494 | amdgpu_pmu_fini(adev); | |
72de33f8 | 3495 | if (adev->mman.discovery_bin) |
a190d1c7 | 3496 | amdgpu_discovery_fini(adev); |
d38ceaf9 AD |
3497 | } |
3498 | ||
3499 | ||
3500 | /* | |
3501 | * Suspend & resume. | |
3502 | */ | |
3503 | /** | |
810ddc3a | 3504 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 | 3505 | * |
87e3f136 | 3506 | * @dev: drm dev pointer |
87e3f136 | 3507 | * @fbcon : notify the fbdev of suspend |
d38ceaf9 AD |
3508 | * |
3509 | * Puts the hw in the suspend state (all asics). | |
3510 | * Returns 0 for success or an error on failure. | |
3511 | * Called at driver suspend. | |
3512 | */ | |
de185019 | 3513 | int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) |
d38ceaf9 AD |
3514 | { |
3515 | struct amdgpu_device *adev; | |
3516 | struct drm_crtc *crtc; | |
3517 | struct drm_connector *connector; | |
f8d2d39e | 3518 | struct drm_connector_list_iter iter; |
5ceb54c6 | 3519 | int r; |
d38ceaf9 | 3520 | |
1348969a | 3521 | adev = drm_to_adev(dev); |
d38ceaf9 AD |
3522 | |
3523 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
3524 | return 0; | |
3525 | ||
44779b43 | 3526 | adev->in_suspend = true; |
d38ceaf9 AD |
3527 | drm_kms_helper_poll_disable(dev); |
3528 | ||
5f818173 S |
3529 | if (fbcon) |
3530 | amdgpu_fbdev_set_suspend(adev, 1); | |
3531 | ||
beff74bc | 3532 | cancel_delayed_work_sync(&adev->delayed_init_work); |
a5459475 | 3533 | |
4562236b HW |
3534 | if (!amdgpu_device_has_dc_support(adev)) { |
3535 | /* turn off display hw */ | |
3536 | drm_modeset_lock_all(dev); | |
f8d2d39e LP |
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_OFF); | |
3541 | drm_connector_list_iter_end(&iter); | |
4562236b | 3542 | drm_modeset_unlock_all(dev); |
fe1053b7 AD |
3543 | /* unpin the front buffers and cursors */ |
3544 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3545 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
3546 | struct drm_framebuffer *fb = crtc->primary->fb; | |
3547 | struct amdgpu_bo *robj; | |
3548 | ||
91334223 | 3549 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
3550 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
3551 | r = amdgpu_bo_reserve(aobj, true); | |
3552 | if (r == 0) { | |
3553 | amdgpu_bo_unpin(aobj); | |
3554 | amdgpu_bo_unreserve(aobj); | |
3555 | } | |
756e6880 | 3556 | } |
756e6880 | 3557 | |
fe1053b7 AD |
3558 | if (fb == NULL || fb->obj[0] == NULL) { |
3559 | continue; | |
3560 | } | |
3561 | robj = gem_to_amdgpu_bo(fb->obj[0]); | |
3562 | /* don't unpin kernel fb objects */ | |
3563 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
3564 | r = amdgpu_bo_reserve(robj, true); | |
3565 | if (r == 0) { | |
3566 | amdgpu_bo_unpin(robj); | |
3567 | amdgpu_bo_unreserve(robj); | |
3568 | } | |
d38ceaf9 AD |
3569 | } |
3570 | } | |
3571 | } | |
fe1053b7 | 3572 | |
5e6932fe | 3573 | amdgpu_ras_suspend(adev); |
3574 | ||
fe1053b7 AD |
3575 | r = amdgpu_device_ip_suspend_phase1(adev); |
3576 | ||
94fa5660 EQ |
3577 | amdgpu_amdkfd_suspend(adev, !fbcon); |
3578 | ||
d38ceaf9 AD |
3579 | /* evict vram memory */ |
3580 | amdgpu_bo_evict_vram(adev); | |
3581 | ||
5ceb54c6 | 3582 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 | 3583 | |
fe1053b7 | 3584 | r = amdgpu_device_ip_suspend_phase2(adev); |
d38ceaf9 | 3585 | |
a0a71e49 AD |
3586 | /* evict remaining vram memory |
3587 | * This second call to evict vram is to evict the gart page table | |
3588 | * using the CPU. | |
3589 | */ | |
d38ceaf9 AD |
3590 | amdgpu_bo_evict_vram(adev); |
3591 | ||
d38ceaf9 AD |
3592 | return 0; |
3593 | } | |
3594 | ||
3595 | /** | |
810ddc3a | 3596 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 | 3597 | * |
87e3f136 | 3598 | * @dev: drm dev pointer |
87e3f136 | 3599 | * @fbcon : notify the fbdev of resume |
d38ceaf9 AD |
3600 | * |
3601 | * Bring the hw back to operating state (all asics). | |
3602 | * Returns 0 for success or an error on failure. | |
3603 | * Called at driver resume. | |
3604 | */ | |
de185019 | 3605 | int amdgpu_device_resume(struct drm_device *dev, bool fbcon) |
d38ceaf9 AD |
3606 | { |
3607 | struct drm_connector *connector; | |
f8d2d39e | 3608 | struct drm_connector_list_iter iter; |
1348969a | 3609 | struct amdgpu_device *adev = drm_to_adev(dev); |
756e6880 | 3610 | struct drm_crtc *crtc; |
03161a6e | 3611 | int r = 0; |
d38ceaf9 AD |
3612 | |
3613 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
3614 | return 0; | |
3615 | ||
d38ceaf9 | 3616 | /* post card */ |
39c640c0 | 3617 | if (amdgpu_device_need_post(adev)) { |
4d2997ab | 3618 | r = amdgpu_device_asic_init(adev); |
74b0b157 | 3619 | if (r) |
aac89168 | 3620 | dev_err(adev->dev, "amdgpu asic init failed\n"); |
74b0b157 | 3621 | } |
d38ceaf9 | 3622 | |
06ec9070 | 3623 | r = amdgpu_device_ip_resume(adev); |
e6707218 | 3624 | if (r) { |
aac89168 | 3625 | dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r); |
4d3b9ae5 | 3626 | return r; |
e6707218 | 3627 | } |
5ceb54c6 AD |
3628 | amdgpu_fence_driver_resume(adev); |
3629 | ||
d38ceaf9 | 3630 | |
06ec9070 | 3631 | r = amdgpu_device_ip_late_init(adev); |
03161a6e | 3632 | if (r) |
4d3b9ae5 | 3633 | return r; |
d38ceaf9 | 3634 | |
beff74bc AD |
3635 | queue_delayed_work(system_wq, &adev->delayed_init_work, |
3636 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
3637 | ||
fe1053b7 AD |
3638 | if (!amdgpu_device_has_dc_support(adev)) { |
3639 | /* pin cursors */ | |
3640 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3641 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
3642 | ||
91334223 | 3643 | if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { |
fe1053b7 AD |
3644 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); |
3645 | r = amdgpu_bo_reserve(aobj, true); | |
3646 | if (r == 0) { | |
3647 | r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); | |
3648 | if (r != 0) | |
aac89168 | 3649 | dev_err(adev->dev, "Failed to pin cursor BO (%d)\n", r); |
fe1053b7 AD |
3650 | amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); |
3651 | amdgpu_bo_unreserve(aobj); | |
3652 | } | |
756e6880 AD |
3653 | } |
3654 | } | |
3655 | } | |
9593f4d6 | 3656 | r = amdgpu_amdkfd_resume(adev, !fbcon); |
ba997709 YZ |
3657 | if (r) |
3658 | return r; | |
756e6880 | 3659 | |
96a5d8d4 | 3660 | /* Make sure IB tests flushed */ |
beff74bc | 3661 | flush_delayed_work(&adev->delayed_init_work); |
96a5d8d4 | 3662 | |
d38ceaf9 AD |
3663 | /* blat the mode back in */ |
3664 | if (fbcon) { | |
4562236b HW |
3665 | if (!amdgpu_device_has_dc_support(adev)) { |
3666 | /* pre DCE11 */ | |
3667 | drm_helper_resume_force_mode(dev); | |
3668 | ||
3669 | /* turn on display hw */ | |
3670 | drm_modeset_lock_all(dev); | |
f8d2d39e LP |
3671 | |
3672 | drm_connector_list_iter_begin(dev, &iter); | |
3673 | drm_for_each_connector_iter(connector, &iter) | |
3674 | drm_helper_connector_dpms(connector, | |
3675 | DRM_MODE_DPMS_ON); | |
3676 | drm_connector_list_iter_end(&iter); | |
3677 | ||
4562236b | 3678 | drm_modeset_unlock_all(dev); |
d38ceaf9 | 3679 | } |
4d3b9ae5 | 3680 | amdgpu_fbdev_set_suspend(adev, 0); |
d38ceaf9 AD |
3681 | } |
3682 | ||
3683 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 | 3684 | |
5e6932fe | 3685 | amdgpu_ras_resume(adev); |
3686 | ||
23a1a9e5 L |
3687 | /* |
3688 | * Most of the connector probing functions try to acquire runtime pm | |
3689 | * refs to ensure that the GPU is powered on when connector polling is | |
3690 | * performed. Since we're calling this from a runtime PM callback, | |
3691 | * trying to acquire rpm refs will cause us to deadlock. | |
3692 | * | |
3693 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
3694 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
3695 | */ | |
3696 | #ifdef CONFIG_PM | |
3697 | dev->dev->power.disable_depth++; | |
3698 | #endif | |
4562236b HW |
3699 | if (!amdgpu_device_has_dc_support(adev)) |
3700 | drm_helper_hpd_irq_event(dev); | |
3701 | else | |
3702 | drm_kms_helper_hotplug_event(dev); | |
23a1a9e5 L |
3703 | #ifdef CONFIG_PM |
3704 | dev->dev->power.disable_depth--; | |
3705 | #endif | |
44779b43 RZ |
3706 | adev->in_suspend = false; |
3707 | ||
4d3b9ae5 | 3708 | return 0; |
d38ceaf9 AD |
3709 | } |
3710 | ||
e3ecdffa AD |
3711 | /** |
3712 | * amdgpu_device_ip_check_soft_reset - did soft reset succeed | |
3713 | * | |
3714 | * @adev: amdgpu_device pointer | |
3715 | * | |
3716 | * The list of all the hardware IPs that make up the asic is walked and | |
3717 | * the check_soft_reset callbacks are run. check_soft_reset determines | |
3718 | * if the asic is still hung or not. | |
3719 | * Returns true if any of the IPs are still in a hung state, false if not. | |
3720 | */ | |
06ec9070 | 3721 | static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) |
63fbf42f CZ |
3722 | { |
3723 | int i; | |
3724 | bool asic_hang = false; | |
3725 | ||
f993d628 ML |
3726 | if (amdgpu_sriov_vf(adev)) |
3727 | return true; | |
3728 | ||
8bc04c29 AD |
3729 | if (amdgpu_asic_need_full_reset(adev)) |
3730 | return true; | |
3731 | ||
63fbf42f | 3732 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3733 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 3734 | continue; |
a1255107 AD |
3735 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
3736 | adev->ip_blocks[i].status.hang = | |
3737 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
3738 | if (adev->ip_blocks[i].status.hang) { | |
aac89168 | 3739 | dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); |
63fbf42f CZ |
3740 | asic_hang = true; |
3741 | } | |
3742 | } | |
3743 | return asic_hang; | |
3744 | } | |
3745 | ||
e3ecdffa AD |
3746 | /** |
3747 | * amdgpu_device_ip_pre_soft_reset - prepare for soft reset | |
3748 | * | |
3749 | * @adev: amdgpu_device pointer | |
3750 | * | |
3751 | * The list of all the hardware IPs that make up the asic is walked and the | |
3752 | * pre_soft_reset callbacks are run if the block is hung. pre_soft_reset | |
3753 | * handles any IP specific hardware or software state changes that are | |
3754 | * necessary for a soft reset to succeed. | |
3755 | * Returns 0 on success, negative error code on failure. | |
3756 | */ | |
06ec9070 | 3757 | static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
3758 | { |
3759 | int i, r = 0; | |
3760 | ||
3761 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3762 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 3763 | continue; |
a1255107 AD |
3764 | if (adev->ip_blocks[i].status.hang && |
3765 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
3766 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
3767 | if (r) |
3768 | return r; | |
3769 | } | |
3770 | } | |
3771 | ||
3772 | return 0; | |
3773 | } | |
3774 | ||
e3ecdffa AD |
3775 | /** |
3776 | * amdgpu_device_ip_need_full_reset - check if a full asic reset is needed | |
3777 | * | |
3778 | * @adev: amdgpu_device pointer | |
3779 | * | |
3780 | * Some hardware IPs cannot be soft reset. If they are hung, a full gpu | |
3781 | * reset is necessary to recover. | |
3782 | * Returns true if a full asic reset is required, false if not. | |
3783 | */ | |
06ec9070 | 3784 | static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) |
35d782fe | 3785 | { |
da146d3b AD |
3786 | int i; |
3787 | ||
8bc04c29 AD |
3788 | if (amdgpu_asic_need_full_reset(adev)) |
3789 | return true; | |
3790 | ||
da146d3b | 3791 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 3792 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 3793 | continue; |
a1255107 AD |
3794 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
3795 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
3796 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
3797 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
3798 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 3799 | if (adev->ip_blocks[i].status.hang) { |
aac89168 | 3800 | dev_info(adev->dev, "Some block need full reset!\n"); |
da146d3b AD |
3801 | return true; |
3802 | } | |
3803 | } | |
35d782fe CZ |
3804 | } |
3805 | return false; | |
3806 | } | |
3807 | ||
e3ecdffa AD |
3808 | /** |
3809 | * amdgpu_device_ip_soft_reset - do a soft reset | |
3810 | * | |
3811 | * @adev: amdgpu_device pointer | |
3812 | * | |
3813 | * The list of all the hardware IPs that make up the asic is walked and the | |
3814 | * soft_reset callbacks are run if the block is hung. soft_reset handles any | |
3815 | * IP specific hardware or software state changes that are necessary to soft | |
3816 | * reset the IP. | |
3817 | * Returns 0 on success, negative error code on failure. | |
3818 | */ | |
06ec9070 | 3819 | static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3820 | { |
3821 | int i, r = 0; | |
3822 | ||
3823 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3824 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3825 | continue; |
a1255107 AD |
3826 | if (adev->ip_blocks[i].status.hang && |
3827 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
3828 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
3829 | if (r) |
3830 | return r; | |
3831 | } | |
3832 | } | |
3833 | ||
3834 | return 0; | |
3835 | } | |
3836 | ||
e3ecdffa AD |
3837 | /** |
3838 | * amdgpu_device_ip_post_soft_reset - clean up from soft reset | |
3839 | * | |
3840 | * @adev: amdgpu_device pointer | |
3841 | * | |
3842 | * The list of all the hardware IPs that make up the asic is walked and the | |
3843 | * post_soft_reset callbacks are run if the asic was hung. post_soft_reset | |
3844 | * handles any IP specific hardware or software state changes that are | |
3845 | * necessary after the IP has been soft reset. | |
3846 | * Returns 0 on success, negative error code on failure. | |
3847 | */ | |
06ec9070 | 3848 | static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev) |
35d782fe CZ |
3849 | { |
3850 | int i, r = 0; | |
3851 | ||
3852 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 3853 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 3854 | continue; |
a1255107 AD |
3855 | if (adev->ip_blocks[i].status.hang && |
3856 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
3857 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
3858 | if (r) |
3859 | return r; | |
3860 | } | |
3861 | ||
3862 | return 0; | |
3863 | } | |
3864 | ||
e3ecdffa | 3865 | /** |
c33adbc7 | 3866 | * amdgpu_device_recover_vram - Recover some VRAM contents |
e3ecdffa AD |
3867 | * |
3868 | * @adev: amdgpu_device pointer | |
3869 | * | |
3870 | * Restores the contents of VRAM buffers from the shadows in GTT. Used to | |
3871 | * restore things like GPUVM page tables after a GPU reset where | |
3872 | * the contents of VRAM might be lost. | |
403009bf CK |
3873 | * |
3874 | * Returns: | |
3875 | * 0 on success, negative error code on failure. | |
e3ecdffa | 3876 | */ |
c33adbc7 | 3877 | static int amdgpu_device_recover_vram(struct amdgpu_device *adev) |
c41d1cf6 | 3878 | { |
c41d1cf6 | 3879 | struct dma_fence *fence = NULL, *next = NULL; |
403009bf CK |
3880 | struct amdgpu_bo *shadow; |
3881 | long r = 1, tmo; | |
c41d1cf6 ML |
3882 | |
3883 | if (amdgpu_sriov_runtime(adev)) | |
b045d3af | 3884 | tmo = msecs_to_jiffies(8000); |
c41d1cf6 ML |
3885 | else |
3886 | tmo = msecs_to_jiffies(100); | |
3887 | ||
aac89168 | 3888 | dev_info(adev->dev, "recover vram bo from shadow start\n"); |
c41d1cf6 | 3889 | mutex_lock(&adev->shadow_list_lock); |
403009bf CK |
3890 | list_for_each_entry(shadow, &adev->shadow_list, shadow_list) { |
3891 | ||
3892 | /* No need to recover an evicted BO */ | |
3893 | if (shadow->tbo.mem.mem_type != TTM_PL_TT || | |
b575f10d | 3894 | shadow->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET || |
403009bf CK |
3895 | shadow->parent->tbo.mem.mem_type != TTM_PL_VRAM) |
3896 | continue; | |
3897 | ||
3898 | r = amdgpu_bo_restore_shadow(shadow, &next); | |
3899 | if (r) | |
3900 | break; | |
3901 | ||
c41d1cf6 | 3902 | if (fence) { |
1712fb1a | 3903 | tmo = dma_fence_wait_timeout(fence, false, tmo); |
403009bf CK |
3904 | dma_fence_put(fence); |
3905 | fence = next; | |
1712fb1a | 3906 | if (tmo == 0) { |
3907 | r = -ETIMEDOUT; | |
c41d1cf6 | 3908 | break; |
1712fb1a | 3909 | } else if (tmo < 0) { |
3910 | r = tmo; | |
3911 | break; | |
3912 | } | |
403009bf CK |
3913 | } else { |
3914 | fence = next; | |
c41d1cf6 | 3915 | } |
c41d1cf6 ML |
3916 | } |
3917 | mutex_unlock(&adev->shadow_list_lock); | |
3918 | ||
403009bf CK |
3919 | if (fence) |
3920 | tmo = dma_fence_wait_timeout(fence, false, tmo); | |
c41d1cf6 ML |
3921 | dma_fence_put(fence); |
3922 | ||
1712fb1a | 3923 | if (r < 0 || tmo <= 0) { |
aac89168 | 3924 | dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); |
403009bf CK |
3925 | return -EIO; |
3926 | } | |
c41d1cf6 | 3927 | |
aac89168 | 3928 | dev_info(adev->dev, "recover vram bo from shadow done\n"); |
403009bf | 3929 | return 0; |
c41d1cf6 ML |
3930 | } |
3931 | ||
a90ad3c2 | 3932 | |
e3ecdffa | 3933 | /** |
06ec9070 | 3934 | * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf |
5740682e ML |
3935 | * |
3936 | * @adev: amdgpu device pointer | |
87e3f136 | 3937 | * @from_hypervisor: request from hypervisor |
5740682e ML |
3938 | * |
3939 | * do VF FLR and reinitialize Asic | |
3f48c681 | 3940 | * return 0 means succeeded otherwise failed |
e3ecdffa AD |
3941 | */ |
3942 | static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, | |
3943 | bool from_hypervisor) | |
5740682e ML |
3944 | { |
3945 | int r; | |
3946 | ||
3947 | if (from_hypervisor) | |
3948 | r = amdgpu_virt_request_full_gpu(adev, true); | |
3949 | else | |
3950 | r = amdgpu_virt_reset_gpu(adev); | |
3951 | if (r) | |
3952 | return r; | |
a90ad3c2 | 3953 | |
b639c22c JZ |
3954 | amdgpu_amdkfd_pre_reset(adev); |
3955 | ||
a90ad3c2 | 3956 | /* Resume IP prior to SMC */ |
06ec9070 | 3957 | r = amdgpu_device_ip_reinit_early_sriov(adev); |
5740682e ML |
3958 | if (r) |
3959 | goto error; | |
a90ad3c2 | 3960 | |
c9ffa427 | 3961 | amdgpu_virt_init_data_exchange(adev); |
a90ad3c2 | 3962 | /* we need recover gart prior to run SMC/CP/SDMA resume */ |
6c28aed6 | 3963 | amdgpu_gtt_mgr_recover(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)); |
a90ad3c2 | 3964 | |
7a3e0bb2 RZ |
3965 | r = amdgpu_device_fw_loading(adev); |
3966 | if (r) | |
3967 | return r; | |
3968 | ||
a90ad3c2 | 3969 | /* now we are okay to resume SMC/CP/SDMA */ |
06ec9070 | 3970 | r = amdgpu_device_ip_reinit_late_sriov(adev); |
5740682e ML |
3971 | if (r) |
3972 | goto error; | |
a90ad3c2 ML |
3973 | |
3974 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
5740682e | 3975 | r = amdgpu_ib_ring_tests(adev); |
f81e8d53 | 3976 | amdgpu_amdkfd_post_reset(adev); |
a90ad3c2 | 3977 | |
abc34253 ED |
3978 | error: |
3979 | amdgpu_virt_release_full_gpu(adev, true); | |
c41d1cf6 | 3980 | if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { |
e3526257 | 3981 | amdgpu_inc_vram_lost(adev); |
c33adbc7 | 3982 | r = amdgpu_device_recover_vram(adev); |
a90ad3c2 ML |
3983 | } |
3984 | ||
3985 | return r; | |
3986 | } | |
3987 | ||
9a1cddd6 | 3988 | /** |
3989 | * amdgpu_device_has_job_running - check if there is any job in mirror list | |
3990 | * | |
3991 | * @adev: amdgpu device pointer | |
3992 | * | |
3993 | * check if there is any job in mirror list | |
3994 | */ | |
3995 | bool amdgpu_device_has_job_running(struct amdgpu_device *adev) | |
3996 | { | |
3997 | int i; | |
3998 | struct drm_sched_job *job; | |
3999 | ||
4000 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4001 | struct amdgpu_ring *ring = adev->rings[i]; | |
4002 | ||
4003 | if (!ring || !ring->sched.thread) | |
4004 | continue; | |
4005 | ||
4006 | spin_lock(&ring->sched.job_list_lock); | |
4007 | job = list_first_entry_or_null(&ring->sched.ring_mirror_list, | |
4008 | struct drm_sched_job, node); | |
4009 | spin_unlock(&ring->sched.job_list_lock); | |
4010 | if (job) | |
4011 | return true; | |
4012 | } | |
4013 | return false; | |
4014 | } | |
4015 | ||
12938fad CK |
4016 | /** |
4017 | * amdgpu_device_should_recover_gpu - check if we should try GPU recovery | |
4018 | * | |
4019 | * @adev: amdgpu device pointer | |
4020 | * | |
4021 | * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover | |
4022 | * a hung GPU. | |
4023 | */ | |
4024 | bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) | |
4025 | { | |
4026 | if (!amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4027 | dev_info(adev->dev, "Timeout, but no hardware hang detected.\n"); |
12938fad CK |
4028 | return false; |
4029 | } | |
4030 | ||
3ba7b418 AG |
4031 | if (amdgpu_gpu_recovery == 0) |
4032 | goto disabled; | |
4033 | ||
4034 | if (amdgpu_sriov_vf(adev)) | |
4035 | return true; | |
4036 | ||
4037 | if (amdgpu_gpu_recovery == -1) { | |
4038 | switch (adev->asic_type) { | |
fc42d47c AG |
4039 | case CHIP_BONAIRE: |
4040 | case CHIP_HAWAII: | |
3ba7b418 AG |
4041 | case CHIP_TOPAZ: |
4042 | case CHIP_TONGA: | |
4043 | case CHIP_FIJI: | |
4044 | case CHIP_POLARIS10: | |
4045 | case CHIP_POLARIS11: | |
4046 | case CHIP_POLARIS12: | |
4047 | case CHIP_VEGAM: | |
4048 | case CHIP_VEGA20: | |
4049 | case CHIP_VEGA10: | |
4050 | case CHIP_VEGA12: | |
c43b849f | 4051 | case CHIP_RAVEN: |
e9d4cf91 | 4052 | case CHIP_ARCTURUS: |
2cb44fb0 | 4053 | case CHIP_RENOIR: |
658c6639 AD |
4054 | case CHIP_NAVI10: |
4055 | case CHIP_NAVI14: | |
4056 | case CHIP_NAVI12: | |
131a3c74 | 4057 | case CHIP_SIENNA_CICHLID: |
3ba7b418 AG |
4058 | break; |
4059 | default: | |
4060 | goto disabled; | |
4061 | } | |
12938fad CK |
4062 | } |
4063 | ||
4064 | return true; | |
3ba7b418 AG |
4065 | |
4066 | disabled: | |
aac89168 | 4067 | dev_info(adev->dev, "GPU recovery disabled.\n"); |
3ba7b418 | 4068 | return false; |
12938fad CK |
4069 | } |
4070 | ||
5c6dd71e | 4071 | |
26bc5340 AG |
4072 | static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, |
4073 | struct amdgpu_job *job, | |
4074 | bool *need_full_reset_arg) | |
4075 | { | |
4076 | int i, r = 0; | |
4077 | bool need_full_reset = *need_full_reset_arg; | |
71182665 | 4078 | |
728e7e0c JZ |
4079 | amdgpu_debugfs_wait_dump(adev); |
4080 | ||
71182665 | 4081 | /* block all schedulers and reset given job's ring */ |
0875dc9e CZ |
4082 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4083 | struct amdgpu_ring *ring = adev->rings[i]; | |
4084 | ||
51687759 | 4085 | if (!ring || !ring->sched.thread) |
0875dc9e | 4086 | continue; |
5740682e | 4087 | |
2f9d4084 ML |
4088 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
4089 | amdgpu_fence_driver_force_completion(ring); | |
0875dc9e | 4090 | } |
d38ceaf9 | 4091 | |
222b5f04 AG |
4092 | if(job) |
4093 | drm_sched_increase_karma(&job->base); | |
4094 | ||
1d721ed6 | 4095 | /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ |
26bc5340 AG |
4096 | if (!amdgpu_sriov_vf(adev)) { |
4097 | ||
4098 | if (!need_full_reset) | |
4099 | need_full_reset = amdgpu_device_ip_need_full_reset(adev); | |
4100 | ||
4101 | if (!need_full_reset) { | |
4102 | amdgpu_device_ip_pre_soft_reset(adev); | |
4103 | r = amdgpu_device_ip_soft_reset(adev); | |
4104 | amdgpu_device_ip_post_soft_reset(adev); | |
4105 | if (r || amdgpu_device_ip_check_soft_reset(adev)) { | |
aac89168 | 4106 | dev_info(adev->dev, "soft reset failed, will fallback to full reset!\n"); |
26bc5340 AG |
4107 | need_full_reset = true; |
4108 | } | |
4109 | } | |
4110 | ||
4111 | if (need_full_reset) | |
4112 | r = amdgpu_device_ip_suspend(adev); | |
4113 | ||
4114 | *need_full_reset_arg = need_full_reset; | |
4115 | } | |
4116 | ||
4117 | return r; | |
4118 | } | |
4119 | ||
041a62bc | 4120 | static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, |
26bc5340 | 4121 | struct list_head *device_list_handle, |
7ac71382 AG |
4122 | bool *need_full_reset_arg, |
4123 | bool skip_hw_reset) | |
26bc5340 AG |
4124 | { |
4125 | struct amdgpu_device *tmp_adev = NULL; | |
4126 | bool need_full_reset = *need_full_reset_arg, vram_lost = false; | |
4127 | int r = 0; | |
4128 | ||
4129 | /* | |
4130 | * ASIC reset has to be done on all HGMI hive nodes ASAP | |
4131 | * to allow proper links negotiation in FW (within 1 sec) | |
4132 | */ | |
7ac71382 | 4133 | if (!skip_hw_reset && need_full_reset) { |
26bc5340 | 4134 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { |
041a62bc | 4135 | /* For XGMI run all resets in parallel to speed up the process */ |
d4535e2c | 4136 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { |
c96cf282 | 4137 | if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) |
d4535e2c AG |
4138 | r = -EALREADY; |
4139 | } else | |
4140 | r = amdgpu_asic_reset(tmp_adev); | |
d4535e2c | 4141 | |
041a62bc | 4142 | if (r) { |
aac89168 | 4143 | dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s", |
4a580877 | 4144 | r, adev_to_drm(tmp_adev)->unique); |
041a62bc | 4145 | break; |
ce316fa5 LM |
4146 | } |
4147 | } | |
4148 | ||
041a62bc AG |
4149 | /* For XGMI wait for all resets to complete before proceed */ |
4150 | if (!r) { | |
ce316fa5 LM |
4151 | list_for_each_entry(tmp_adev, device_list_handle, |
4152 | gmc.xgmi.head) { | |
4153 | if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { | |
4154 | flush_work(&tmp_adev->xgmi_reset_work); | |
4155 | r = tmp_adev->asic_reset_res; | |
4156 | if (r) | |
4157 | break; | |
ce316fa5 LM |
4158 | } |
4159 | } | |
4160 | } | |
ce316fa5 | 4161 | } |
26bc5340 | 4162 | |
43c4d576 JC |
4163 | if (!r && amdgpu_ras_intr_triggered()) { |
4164 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
4165 | if (tmp_adev->mmhub.funcs && | |
4166 | tmp_adev->mmhub.funcs->reset_ras_error_count) | |
4167 | tmp_adev->mmhub.funcs->reset_ras_error_count(tmp_adev); | |
4168 | } | |
4169 | ||
00eaa571 | 4170 | amdgpu_ras_intr_cleared(); |
43c4d576 | 4171 | } |
00eaa571 | 4172 | |
26bc5340 AG |
4173 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { |
4174 | if (need_full_reset) { | |
4175 | /* post card */ | |
4d2997ab | 4176 | if (amdgpu_device_asic_init(tmp_adev)) |
aac89168 | 4177 | dev_warn(tmp_adev->dev, "asic atom init failed!"); |
26bc5340 AG |
4178 | |
4179 | if (!r) { | |
4180 | dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); | |
4181 | r = amdgpu_device_ip_resume_phase1(tmp_adev); | |
4182 | if (r) | |
4183 | goto out; | |
4184 | ||
4185 | vram_lost = amdgpu_device_check_vram_lost(tmp_adev); | |
4186 | if (vram_lost) { | |
77e7f829 | 4187 | DRM_INFO("VRAM is lost due to GPU reset!\n"); |
e3526257 | 4188 | amdgpu_inc_vram_lost(tmp_adev); |
26bc5340 AG |
4189 | } |
4190 | ||
6c28aed6 | 4191 | r = amdgpu_gtt_mgr_recover(ttm_manager_type(&tmp_adev->mman.bdev, TTM_PL_TT)); |
26bc5340 AG |
4192 | if (r) |
4193 | goto out; | |
4194 | ||
4195 | r = amdgpu_device_fw_loading(tmp_adev); | |
4196 | if (r) | |
4197 | return r; | |
4198 | ||
4199 | r = amdgpu_device_ip_resume_phase2(tmp_adev); | |
4200 | if (r) | |
4201 | goto out; | |
4202 | ||
4203 | if (vram_lost) | |
4204 | amdgpu_device_fill_reset_magic(tmp_adev); | |
4205 | ||
fdafb359 EQ |
4206 | /* |
4207 | * Add this ASIC as tracked as reset was already | |
4208 | * complete successfully. | |
4209 | */ | |
4210 | amdgpu_register_gpu_instance(tmp_adev); | |
4211 | ||
7c04ca50 | 4212 | r = amdgpu_device_ip_late_init(tmp_adev); |
4213 | if (r) | |
4214 | goto out; | |
4215 | ||
565d1941 EQ |
4216 | amdgpu_fbdev_set_suspend(tmp_adev, 0); |
4217 | ||
e8fbaf03 GC |
4218 | /* |
4219 | * The GPU enters bad state once faulty pages | |
4220 | * by ECC has reached the threshold, and ras | |
4221 | * recovery is scheduled next. So add one check | |
4222 | * here to break recovery if it indeed exceeds | |
4223 | * bad page threshold, and remind user to | |
4224 | * retire this GPU or setting one bigger | |
4225 | * bad_page_threshold value to fix this once | |
4226 | * probing driver again. | |
4227 | */ | |
4228 | if (!amdgpu_ras_check_err_threshold(tmp_adev)) { | |
4229 | /* must succeed. */ | |
4230 | amdgpu_ras_resume(tmp_adev); | |
4231 | } else { | |
4232 | r = -EINVAL; | |
4233 | goto out; | |
4234 | } | |
e79a04d5 | 4235 | |
26bc5340 AG |
4236 | /* Update PSP FW topology after reset */ |
4237 | if (hive && tmp_adev->gmc.xgmi.num_physical_nodes > 1) | |
4238 | r = amdgpu_xgmi_update_topology(hive, tmp_adev); | |
4239 | } | |
4240 | } | |
4241 | ||
26bc5340 AG |
4242 | out: |
4243 | if (!r) { | |
4244 | amdgpu_irq_gpu_reset_resume_helper(tmp_adev); | |
4245 | r = amdgpu_ib_ring_tests(tmp_adev); | |
4246 | if (r) { | |
4247 | dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); | |
4248 | r = amdgpu_device_ip_suspend(tmp_adev); | |
4249 | need_full_reset = true; | |
4250 | r = -EAGAIN; | |
4251 | goto end; | |
4252 | } | |
4253 | } | |
4254 | ||
4255 | if (!r) | |
4256 | r = amdgpu_device_recover_vram(tmp_adev); | |
4257 | else | |
4258 | tmp_adev->asic_reset_res = r; | |
4259 | } | |
4260 | ||
4261 | end: | |
4262 | *need_full_reset_arg = need_full_reset; | |
4263 | return r; | |
4264 | } | |
4265 | ||
08ebb485 DL |
4266 | static bool amdgpu_device_lock_adev(struct amdgpu_device *adev, |
4267 | struct amdgpu_hive_info *hive) | |
26bc5340 | 4268 | { |
53b3f8f4 DL |
4269 | if (atomic_cmpxchg(&adev->in_gpu_reset, 0, 1) != 0) |
4270 | return false; | |
4271 | ||
08ebb485 DL |
4272 | if (hive) { |
4273 | down_write_nest_lock(&adev->reset_sem, &hive->hive_lock); | |
4274 | } else { | |
4275 | down_write(&adev->reset_sem); | |
4276 | } | |
5740682e | 4277 | |
26bc5340 | 4278 | atomic_inc(&adev->gpu_reset_counter); |
a3a09142 AD |
4279 | switch (amdgpu_asic_reset_method(adev)) { |
4280 | case AMD_RESET_METHOD_MODE1: | |
4281 | adev->mp1_state = PP_MP1_STATE_SHUTDOWN; | |
4282 | break; | |
4283 | case AMD_RESET_METHOD_MODE2: | |
4284 | adev->mp1_state = PP_MP1_STATE_RESET; | |
4285 | break; | |
4286 | default: | |
4287 | adev->mp1_state = PP_MP1_STATE_NONE; | |
4288 | break; | |
4289 | } | |
1d721ed6 AG |
4290 | |
4291 | return true; | |
26bc5340 | 4292 | } |
d38ceaf9 | 4293 | |
26bc5340 AG |
4294 | static void amdgpu_device_unlock_adev(struct amdgpu_device *adev) |
4295 | { | |
89041940 | 4296 | amdgpu_vf_error_trans_all(adev); |
a3a09142 | 4297 | adev->mp1_state = PP_MP1_STATE_NONE; |
53b3f8f4 | 4298 | atomic_set(&adev->in_gpu_reset, 0); |
6049db43 | 4299 | up_write(&adev->reset_sem); |
26bc5340 AG |
4300 | } |
4301 | ||
3f12acc8 EQ |
4302 | static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev) |
4303 | { | |
4304 | struct pci_dev *p = NULL; | |
4305 | ||
4306 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
4307 | adev->pdev->bus->number, 1); | |
4308 | if (p) { | |
4309 | pm_runtime_enable(&(p->dev)); | |
4310 | pm_runtime_resume(&(p->dev)); | |
4311 | } | |
4312 | } | |
4313 | ||
4314 | static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev) | |
4315 | { | |
4316 | enum amd_reset_method reset_method; | |
4317 | struct pci_dev *p = NULL; | |
4318 | u64 expires; | |
4319 | ||
4320 | /* | |
4321 | * For now, only BACO and mode1 reset are confirmed | |
4322 | * to suffer the audio issue without proper suspended. | |
4323 | */ | |
4324 | reset_method = amdgpu_asic_reset_method(adev); | |
4325 | if ((reset_method != AMD_RESET_METHOD_BACO) && | |
4326 | (reset_method != AMD_RESET_METHOD_MODE1)) | |
4327 | return -EINVAL; | |
4328 | ||
4329 | p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), | |
4330 | adev->pdev->bus->number, 1); | |
4331 | if (!p) | |
4332 | return -ENODEV; | |
4333 | ||
4334 | expires = pm_runtime_autosuspend_expiration(&(p->dev)); | |
4335 | if (!expires) | |
4336 | /* | |
4337 | * If we cannot get the audio device autosuspend delay, | |
4338 | * a fixed 4S interval will be used. Considering 3S is | |
4339 | * the audio controller default autosuspend delay setting. | |
4340 | * 4S used here is guaranteed to cover that. | |
4341 | */ | |
54b7feb9 | 4342 | expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC * 4ULL; |
3f12acc8 EQ |
4343 | |
4344 | while (!pm_runtime_status_suspended(&(p->dev))) { | |
4345 | if (!pm_runtime_suspend(&(p->dev))) | |
4346 | break; | |
4347 | ||
4348 | if (expires < ktime_get_mono_fast_ns()) { | |
4349 | dev_warn(adev->dev, "failed to suspend display audio\n"); | |
4350 | /* TODO: abort the succeeding gpu reset? */ | |
4351 | return -ETIMEDOUT; | |
4352 | } | |
4353 | } | |
4354 | ||
4355 | pm_runtime_disable(&(p->dev)); | |
4356 | ||
4357 | return 0; | |
4358 | } | |
4359 | ||
26bc5340 AG |
4360 | /** |
4361 | * amdgpu_device_gpu_recover - reset the asic and recover scheduler | |
4362 | * | |
4363 | * @adev: amdgpu device pointer | |
4364 | * @job: which job trigger hang | |
4365 | * | |
4366 | * Attempt to reset the GPU if it has hung (all asics). | |
4367 | * Attempt to do soft-reset or full-reset and reinitialize Asic | |
4368 | * Returns 0 for success or an error on failure. | |
4369 | */ | |
4370 | ||
4371 | int amdgpu_device_gpu_recover(struct amdgpu_device *adev, | |
4372 | struct amdgpu_job *job) | |
4373 | { | |
1d721ed6 | 4374 | struct list_head device_list, *device_list_handle = NULL; |
7dd8c205 EQ |
4375 | bool need_full_reset = false; |
4376 | bool job_signaled = false; | |
26bc5340 | 4377 | struct amdgpu_hive_info *hive = NULL; |
26bc5340 | 4378 | struct amdgpu_device *tmp_adev = NULL; |
1d721ed6 | 4379 | int i, r = 0; |
bb5c7235 | 4380 | bool need_emergency_restart = false; |
3f12acc8 | 4381 | bool audio_suspended = false; |
26bc5340 | 4382 | |
bb5c7235 WS |
4383 | /** |
4384 | * Special case: RAS triggered and full reset isn't supported | |
4385 | */ | |
4386 | need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); | |
4387 | ||
d5ea093e AG |
4388 | /* |
4389 | * Flush RAM to disk so that after reboot | |
4390 | * the user can read log and see why the system rebooted. | |
4391 | */ | |
bb5c7235 | 4392 | if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) { |
d5ea093e AG |
4393 | DRM_WARN("Emergency reboot."); |
4394 | ||
4395 | ksys_sync_helper(); | |
4396 | emergency_restart(); | |
4397 | } | |
4398 | ||
b823821f | 4399 | dev_info(adev->dev, "GPU %s begin!\n", |
bb5c7235 | 4400 | need_emergency_restart ? "jobs stop":"reset"); |
26bc5340 AG |
4401 | |
4402 | /* | |
1d721ed6 AG |
4403 | * Here we trylock to avoid chain of resets executing from |
4404 | * either trigger by jobs on different adevs in XGMI hive or jobs on | |
4405 | * different schedulers for same device while this TO handler is running. | |
4406 | * We always reset all schedulers for device and all devices for XGMI | |
4407 | * hive so that should take care of them too. | |
26bc5340 | 4408 | */ |
d95e8e97 | 4409 | hive = amdgpu_get_xgmi_hive(adev); |
53b3f8f4 DL |
4410 | if (hive) { |
4411 | if (atomic_cmpxchg(&hive->in_reset, 0, 1) != 0) { | |
4412 | DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", | |
4413 | job ? job->base.id : -1, hive->hive_id); | |
d95e8e97 | 4414 | amdgpu_put_xgmi_hive(hive); |
53b3f8f4 DL |
4415 | return 0; |
4416 | } | |
4417 | mutex_lock(&hive->hive_lock); | |
1d721ed6 | 4418 | } |
26bc5340 | 4419 | |
9e94d22c EQ |
4420 | /* |
4421 | * Build list of devices to reset. | |
4422 | * In case we are in XGMI hive mode, resort the device list | |
4423 | * to put adev in the 1st position. | |
4424 | */ | |
4425 | INIT_LIST_HEAD(&device_list); | |
4426 | if (adev->gmc.xgmi.num_physical_nodes > 1) { | |
4427 | if (!hive) | |
26bc5340 | 4428 | return -ENODEV; |
9e94d22c EQ |
4429 | if (!list_is_first(&adev->gmc.xgmi.head, &hive->device_list)) |
4430 | list_rotate_to_front(&adev->gmc.xgmi.head, &hive->device_list); | |
26bc5340 AG |
4431 | device_list_handle = &hive->device_list; |
4432 | } else { | |
4433 | list_add_tail(&adev->gmc.xgmi.head, &device_list); | |
4434 | device_list_handle = &device_list; | |
4435 | } | |
4436 | ||
1d721ed6 AG |
4437 | /* block all schedulers and reset given job's ring */ |
4438 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
08ebb485 | 4439 | if (!amdgpu_device_lock_adev(tmp_adev, hive)) { |
aac89168 | 4440 | dev_info(tmp_adev->dev, "Bailing on TDR for s_job:%llx, as another already in progress", |
9e94d22c | 4441 | job ? job->base.id : -1); |
cbfd17f7 DL |
4442 | r = 0; |
4443 | goto skip_recovery; | |
7c6e68c7 AG |
4444 | } |
4445 | ||
3f12acc8 EQ |
4446 | /* |
4447 | * Try to put the audio codec into suspend state | |
4448 | * before gpu reset started. | |
4449 | * | |
4450 | * Due to the power domain of the graphics device | |
4451 | * is shared with AZ power domain. Without this, | |
4452 | * we may change the audio hardware from behind | |
4453 | * the audio driver's back. That will trigger | |
4454 | * some audio codec errors. | |
4455 | */ | |
4456 | if (!amdgpu_device_suspend_display_audio(tmp_adev)) | |
4457 | audio_suspended = true; | |
4458 | ||
9e94d22c EQ |
4459 | amdgpu_ras_set_error_query_ready(tmp_adev, false); |
4460 | ||
52fb44cf EQ |
4461 | cancel_delayed_work_sync(&tmp_adev->delayed_init_work); |
4462 | ||
9e94d22c EQ |
4463 | if (!amdgpu_sriov_vf(tmp_adev)) |
4464 | amdgpu_amdkfd_pre_reset(tmp_adev); | |
4465 | ||
12ffa55d AG |
4466 | /* |
4467 | * Mark these ASICs to be reseted as untracked first | |
4468 | * And add them back after reset completed | |
4469 | */ | |
4470 | amdgpu_unregister_gpu_instance(tmp_adev); | |
4471 | ||
a2f63ee8 | 4472 | amdgpu_fbdev_set_suspend(tmp_adev, 1); |
565d1941 | 4473 | |
f1c1314b | 4474 | /* disable ras on ALL IPs */ |
bb5c7235 | 4475 | if (!need_emergency_restart && |
b823821f | 4476 | amdgpu_device_ip_need_full_reset(tmp_adev)) |
f1c1314b | 4477 | amdgpu_ras_suspend(tmp_adev); |
4478 | ||
1d721ed6 AG |
4479 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4480 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
4481 | ||
4482 | if (!ring || !ring->sched.thread) | |
4483 | continue; | |
4484 | ||
0b2d2c2e | 4485 | drm_sched_stop(&ring->sched, job ? &job->base : NULL); |
7c6e68c7 | 4486 | |
bb5c7235 | 4487 | if (need_emergency_restart) |
7c6e68c7 | 4488 | amdgpu_job_stop_all_jobs_on_sched(&ring->sched); |
1d721ed6 AG |
4489 | } |
4490 | } | |
4491 | ||
bb5c7235 | 4492 | if (need_emergency_restart) |
7c6e68c7 AG |
4493 | goto skip_sched_resume; |
4494 | ||
1d721ed6 AG |
4495 | /* |
4496 | * Must check guilty signal here since after this point all old | |
4497 | * HW fences are force signaled. | |
4498 | * | |
4499 | * job->base holds a reference to parent fence | |
4500 | */ | |
4501 | if (job && job->base.s_fence->parent && | |
7dd8c205 | 4502 | dma_fence_is_signaled(job->base.s_fence->parent)) { |
1d721ed6 | 4503 | job_signaled = true; |
1d721ed6 AG |
4504 | dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); |
4505 | goto skip_hw_reset; | |
4506 | } | |
4507 | ||
26bc5340 AG |
4508 | retry: /* Rest of adevs pre asic reset from XGMI hive. */ |
4509 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
26bc5340 AG |
4510 | r = amdgpu_device_pre_asic_reset(tmp_adev, |
4511 | NULL, | |
4512 | &need_full_reset); | |
4513 | /*TODO Should we stop ?*/ | |
4514 | if (r) { | |
aac89168 | 4515 | dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ", |
4a580877 | 4516 | r, adev_to_drm(tmp_adev)->unique); |
26bc5340 AG |
4517 | tmp_adev->asic_reset_res = r; |
4518 | } | |
4519 | } | |
4520 | ||
4521 | /* Actual ASIC resets if needed.*/ | |
4522 | /* TODO Implement XGMI hive reset logic for SRIOV */ | |
4523 | if (amdgpu_sriov_vf(adev)) { | |
4524 | r = amdgpu_device_reset_sriov(adev, job ? false : true); | |
4525 | if (r) | |
4526 | adev->asic_reset_res = r; | |
4527 | } else { | |
7ac71382 | 4528 | r = amdgpu_do_asic_reset(hive, device_list_handle, &need_full_reset, false); |
26bc5340 AG |
4529 | if (r && r == -EAGAIN) |
4530 | goto retry; | |
4531 | } | |
4532 | ||
1d721ed6 AG |
4533 | skip_hw_reset: |
4534 | ||
26bc5340 AG |
4535 | /* Post ASIC reset for all devs .*/ |
4536 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
7c6e68c7 | 4537 | |
1d721ed6 AG |
4538 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
4539 | struct amdgpu_ring *ring = tmp_adev->rings[i]; | |
4540 | ||
4541 | if (!ring || !ring->sched.thread) | |
4542 | continue; | |
4543 | ||
4544 | /* No point to resubmit jobs if we didn't HW reset*/ | |
4545 | if (!tmp_adev->asic_reset_res && !job_signaled) | |
4546 | drm_sched_resubmit_jobs(&ring->sched); | |
4547 | ||
4548 | drm_sched_start(&ring->sched, !tmp_adev->asic_reset_res); | |
4549 | } | |
4550 | ||
4551 | if (!amdgpu_device_has_dc_support(tmp_adev) && !job_signaled) { | |
4a580877 | 4552 | drm_helper_resume_force_mode(adev_to_drm(tmp_adev)); |
1d721ed6 AG |
4553 | } |
4554 | ||
4555 | tmp_adev->asic_reset_res = 0; | |
26bc5340 AG |
4556 | |
4557 | if (r) { | |
4558 | /* bad news, how to tell it to userspace ? */ | |
12ffa55d | 4559 | dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 AG |
4560 | amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
4561 | } else { | |
12ffa55d | 4562 | dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); |
26bc5340 | 4563 | } |
7c6e68c7 | 4564 | } |
26bc5340 | 4565 | |
7c6e68c7 AG |
4566 | skip_sched_resume: |
4567 | list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { | |
4568 | /*unlock kfd: SRIOV would do it separately */ | |
bb5c7235 | 4569 | if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)) |
7c6e68c7 | 4570 | amdgpu_amdkfd_post_reset(tmp_adev); |
3f12acc8 EQ |
4571 | if (audio_suspended) |
4572 | amdgpu_device_resume_display_audio(tmp_adev); | |
26bc5340 AG |
4573 | amdgpu_device_unlock_adev(tmp_adev); |
4574 | } | |
4575 | ||
cbfd17f7 | 4576 | skip_recovery: |
9e94d22c | 4577 | if (hive) { |
53b3f8f4 | 4578 | atomic_set(&hive->in_reset, 0); |
9e94d22c | 4579 | mutex_unlock(&hive->hive_lock); |
d95e8e97 | 4580 | amdgpu_put_xgmi_hive(hive); |
9e94d22c | 4581 | } |
26bc5340 AG |
4582 | |
4583 | if (r) | |
4584 | dev_info(adev->dev, "GPU reset end with ret = %d\n", r); | |
d38ceaf9 AD |
4585 | return r; |
4586 | } | |
4587 | ||
e3ecdffa AD |
4588 | /** |
4589 | * amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot | |
4590 | * | |
4591 | * @adev: amdgpu_device pointer | |
4592 | * | |
4593 | * Fetchs and stores in the driver the PCIE capabilities (gen speed | |
4594 | * and lanes) of the slot the device is in. Handles APUs and | |
4595 | * virtualized environments where PCIE config space may not be available. | |
4596 | */ | |
5494d864 | 4597 | static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) |
d0dd7f0c | 4598 | { |
5d9a6330 | 4599 | struct pci_dev *pdev; |
c5313457 HK |
4600 | enum pci_bus_speed speed_cap, platform_speed_cap; |
4601 | enum pcie_link_width platform_link_width; | |
d0dd7f0c | 4602 | |
cd474ba0 AD |
4603 | if (amdgpu_pcie_gen_cap) |
4604 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 4605 | |
cd474ba0 AD |
4606 | if (amdgpu_pcie_lane_cap) |
4607 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 4608 | |
cd474ba0 AD |
4609 | /* covers APUs as well */ |
4610 | if (pci_is_root_bus(adev->pdev->bus)) { | |
4611 | if (adev->pm.pcie_gen_mask == 0) | |
4612 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
4613 | if (adev->pm.pcie_mlw_mask == 0) | |
4614 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 4615 | return; |
cd474ba0 | 4616 | } |
d0dd7f0c | 4617 | |
c5313457 HK |
4618 | if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask) |
4619 | return; | |
4620 | ||
dbaa922b AD |
4621 | pcie_bandwidth_available(adev->pdev, NULL, |
4622 | &platform_speed_cap, &platform_link_width); | |
c5313457 | 4623 | |
cd474ba0 | 4624 | if (adev->pm.pcie_gen_mask == 0) { |
5d9a6330 AD |
4625 | /* asic caps */ |
4626 | pdev = adev->pdev; | |
4627 | speed_cap = pcie_get_speed_cap(pdev); | |
4628 | if (speed_cap == PCI_SPEED_UNKNOWN) { | |
4629 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
cd474ba0 AD |
4630 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | |
4631 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
cd474ba0 | 4632 | } else { |
5d9a6330 AD |
4633 | if (speed_cap == PCIE_SPEED_16_0GT) |
4634 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4635 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4636 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
4637 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
4638 | else if (speed_cap == PCIE_SPEED_8_0GT) | |
4639 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4640 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4641 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
4642 | else if (speed_cap == PCIE_SPEED_5_0GT) | |
4643 | adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
4644 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4645 | else | |
4646 | adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
4647 | } | |
4648 | /* platform caps */ | |
c5313457 | 4649 | if (platform_speed_cap == PCI_SPEED_UNKNOWN) { |
5d9a6330 AD |
4650 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4651 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4652 | } else { | |
c5313457 | 4653 | if (platform_speed_cap == PCIE_SPEED_16_0GT) |
5d9a6330 AD |
4654 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4655 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4656 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | | |
4657 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); | |
c5313457 | 4658 | else if (platform_speed_cap == PCIE_SPEED_8_0GT) |
5d9a6330 AD |
4659 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4660 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
4661 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
c5313457 | 4662 | else if (platform_speed_cap == PCIE_SPEED_5_0GT) |
5d9a6330 AD |
4663 | adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | |
4664 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); | |
4665 | else | |
4666 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
4667 | ||
cd474ba0 AD |
4668 | } |
4669 | } | |
4670 | if (adev->pm.pcie_mlw_mask == 0) { | |
c5313457 | 4671 | if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) { |
5d9a6330 AD |
4672 | adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; |
4673 | } else { | |
c5313457 | 4674 | switch (platform_link_width) { |
5d9a6330 | 4675 | case PCIE_LNK_X32: |
cd474ba0 AD |
4676 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | |
4677 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
4678 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
4679 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4680 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4681 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4682 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4683 | break; | |
5d9a6330 | 4684 | case PCIE_LNK_X16: |
cd474ba0 AD |
4685 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | |
4686 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
4687 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4688 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4689 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4690 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4691 | break; | |
5d9a6330 | 4692 | case PCIE_LNK_X12: |
cd474ba0 AD |
4693 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | |
4694 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
4695 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4696 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4697 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4698 | break; | |
5d9a6330 | 4699 | case PCIE_LNK_X8: |
cd474ba0 AD |
4700 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | |
4701 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
4702 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4703 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4704 | break; | |
5d9a6330 | 4705 | case PCIE_LNK_X4: |
cd474ba0 AD |
4706 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | |
4707 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
4708 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4709 | break; | |
5d9a6330 | 4710 | case PCIE_LNK_X2: |
cd474ba0 AD |
4711 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | |
4712 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
4713 | break; | |
5d9a6330 | 4714 | case PCIE_LNK_X1: |
cd474ba0 AD |
4715 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; |
4716 | break; | |
4717 | default: | |
4718 | break; | |
4719 | } | |
d0dd7f0c AD |
4720 | } |
4721 | } | |
4722 | } | |
d38ceaf9 | 4723 | |
361dbd01 AD |
4724 | int amdgpu_device_baco_enter(struct drm_device *dev) |
4725 | { | |
1348969a | 4726 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 4727 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
361dbd01 | 4728 | |
4a580877 | 4729 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
4730 | return -ENOTSUPP; |
4731 | ||
7a22677b LM |
4732 | if (ras && ras->supported) |
4733 | adev->nbio.funcs->enable_doorbell_interrupt(adev, false); | |
4734 | ||
9530273e | 4735 | return amdgpu_dpm_baco_enter(adev); |
361dbd01 AD |
4736 | } |
4737 | ||
4738 | int amdgpu_device_baco_exit(struct drm_device *dev) | |
4739 | { | |
1348969a | 4740 | struct amdgpu_device *adev = drm_to_adev(dev); |
7a22677b | 4741 | struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); |
9530273e | 4742 | int ret = 0; |
361dbd01 | 4743 | |
4a580877 | 4744 | if (!amdgpu_device_supports_baco(adev_to_drm(adev))) |
361dbd01 AD |
4745 | return -ENOTSUPP; |
4746 | ||
9530273e EQ |
4747 | ret = amdgpu_dpm_baco_exit(adev); |
4748 | if (ret) | |
4749 | return ret; | |
7a22677b LM |
4750 | |
4751 | if (ras && ras->supported) | |
4752 | adev->nbio.funcs->enable_doorbell_interrupt(adev, true); | |
4753 | ||
4754 | return 0; | |
361dbd01 | 4755 | } |
c9a6b82f | 4756 | |
acd89fca AG |
4757 | static void amdgpu_cancel_all_tdr(struct amdgpu_device *adev) |
4758 | { | |
4759 | int i; | |
4760 | ||
4761 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4762 | struct amdgpu_ring *ring = adev->rings[i]; | |
4763 | ||
4764 | if (!ring || !ring->sched.thread) | |
4765 | continue; | |
4766 | ||
4767 | cancel_delayed_work_sync(&ring->sched.work_tdr); | |
4768 | } | |
4769 | } | |
4770 | ||
c9a6b82f AG |
4771 | /** |
4772 | * amdgpu_pci_error_detected - Called when a PCI error is detected. | |
4773 | * @pdev: PCI device struct | |
4774 | * @state: PCI channel state | |
4775 | * | |
4776 | * Description: Called when a PCI error is detected. | |
4777 | * | |
4778 | * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT. | |
4779 | */ | |
4780 | pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
4781 | { | |
4782 | struct drm_device *dev = pci_get_drvdata(pdev); | |
4783 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 4784 | int i; |
c9a6b82f AG |
4785 | |
4786 | DRM_INFO("PCI error: detected callback, state(%d)!!\n", state); | |
4787 | ||
6894305c AG |
4788 | if (adev->gmc.xgmi.num_physical_nodes > 1) { |
4789 | DRM_WARN("No support for XGMI hive yet..."); | |
4790 | return PCI_ERS_RESULT_DISCONNECT; | |
4791 | } | |
4792 | ||
c9a6b82f AG |
4793 | switch (state) { |
4794 | case pci_channel_io_normal: | |
4795 | return PCI_ERS_RESULT_CAN_RECOVER; | |
acd89fca AG |
4796 | /* Fatal error, prepare for slot reset */ |
4797 | case pci_channel_io_frozen: | |
4798 | /* | |
4799 | * Cancel and wait for all TDRs in progress if failing to | |
4800 | * set adev->in_gpu_reset in amdgpu_device_lock_adev | |
4801 | * | |
4802 | * Locking adev->reset_sem will prevent any external access | |
4803 | * to GPU during PCI error recovery | |
4804 | */ | |
4805 | while (!amdgpu_device_lock_adev(adev, NULL)) | |
4806 | amdgpu_cancel_all_tdr(adev); | |
4807 | ||
4808 | /* | |
4809 | * Block any work scheduling as we do for regular GPU reset | |
4810 | * for the duration of the recovery | |
4811 | */ | |
4812 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4813 | struct amdgpu_ring *ring = adev->rings[i]; | |
4814 | ||
4815 | if (!ring || !ring->sched.thread) | |
4816 | continue; | |
4817 | ||
4818 | drm_sched_stop(&ring->sched, NULL); | |
4819 | } | |
c9a6b82f AG |
4820 | return PCI_ERS_RESULT_NEED_RESET; |
4821 | case pci_channel_io_perm_failure: | |
4822 | /* Permanent error, prepare for device removal */ | |
4823 | return PCI_ERS_RESULT_DISCONNECT; | |
4824 | } | |
4825 | ||
4826 | return PCI_ERS_RESULT_NEED_RESET; | |
4827 | } | |
4828 | ||
4829 | /** | |
4830 | * amdgpu_pci_mmio_enabled - Enable MMIO and dump debug registers | |
4831 | * @pdev: pointer to PCI device | |
4832 | */ | |
4833 | pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev) | |
4834 | { | |
4835 | ||
4836 | DRM_INFO("PCI error: mmio enabled callback!!\n"); | |
4837 | ||
4838 | /* TODO - dump whatever for debugging purposes */ | |
4839 | ||
4840 | /* This called only if amdgpu_pci_error_detected returns | |
4841 | * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still | |
4842 | * works, no need to reset slot. | |
4843 | */ | |
4844 | ||
4845 | return PCI_ERS_RESULT_RECOVERED; | |
4846 | } | |
4847 | ||
4848 | /** | |
4849 | * amdgpu_pci_slot_reset - Called when PCI slot has been reset. | |
4850 | * @pdev: PCI device struct | |
4851 | * | |
4852 | * Description: This routine is called by the pci error recovery | |
4853 | * code after the PCI slot has been reset, just before we | |
4854 | * should resume normal operations. | |
4855 | */ | |
4856 | pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) | |
4857 | { | |
4858 | struct drm_device *dev = pci_get_drvdata(pdev); | |
4859 | struct amdgpu_device *adev = drm_to_adev(dev); | |
362c7b91 | 4860 | int r, i; |
7ac71382 | 4861 | bool need_full_reset = true; |
362c7b91 | 4862 | u32 memsize; |
7ac71382 | 4863 | struct list_head device_list; |
c9a6b82f AG |
4864 | |
4865 | DRM_INFO("PCI error: slot reset callback!!\n"); | |
4866 | ||
7ac71382 AG |
4867 | INIT_LIST_HEAD(&device_list); |
4868 | list_add_tail(&adev->gmc.xgmi.head, &device_list); | |
4869 | ||
362c7b91 AG |
4870 | /* wait for asic to come out of reset */ |
4871 | msleep(500); | |
4872 | ||
7ac71382 | 4873 | /* Restore PCI confspace */ |
c1dd4aa6 | 4874 | amdgpu_device_load_pci_state(pdev); |
c9a6b82f | 4875 | |
362c7b91 AG |
4876 | /* confirm ASIC came out of reset */ |
4877 | for (i = 0; i < adev->usec_timeout; i++) { | |
4878 | memsize = amdgpu_asic_get_config_memsize(adev); | |
4879 | ||
4880 | if (memsize != 0xffffffff) | |
4881 | break; | |
4882 | udelay(1); | |
4883 | } | |
4884 | if (memsize == 0xffffffff) { | |
4885 | r = -ETIME; | |
4886 | goto out; | |
4887 | } | |
4888 | ||
362c7b91 | 4889 | adev->in_pci_err_recovery = true; |
7ac71382 | 4890 | r = amdgpu_device_pre_asic_reset(adev, NULL, &need_full_reset); |
bf36b52e | 4891 | adev->in_pci_err_recovery = false; |
c9a6b82f AG |
4892 | if (r) |
4893 | goto out; | |
4894 | ||
7ac71382 | 4895 | r = amdgpu_do_asic_reset(NULL, &device_list, &need_full_reset, true); |
c9a6b82f AG |
4896 | |
4897 | out: | |
c9a6b82f | 4898 | if (!r) { |
c1dd4aa6 AG |
4899 | if (amdgpu_device_cache_pci_state(adev->pdev)) |
4900 | pci_restore_state(adev->pdev); | |
4901 | ||
c9a6b82f AG |
4902 | DRM_INFO("PCIe error recovery succeeded\n"); |
4903 | } else { | |
4904 | DRM_ERROR("PCIe error recovery failed, err:%d", r); | |
4905 | amdgpu_device_unlock_adev(adev); | |
4906 | } | |
4907 | ||
4908 | return r ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
4909 | } | |
4910 | ||
4911 | /** | |
4912 | * amdgpu_pci_resume() - resume normal ops after PCI reset | |
4913 | * @pdev: pointer to PCI device | |
4914 | * | |
4915 | * Called when the error recovery driver tells us that its | |
4916 | * OK to resume normal operation. Use completion to allow | |
4917 | * halted scsi ops to resume. | |
4918 | */ | |
4919 | void amdgpu_pci_resume(struct pci_dev *pdev) | |
4920 | { | |
4921 | struct drm_device *dev = pci_get_drvdata(pdev); | |
4922 | struct amdgpu_device *adev = drm_to_adev(dev); | |
acd89fca | 4923 | int i; |
c9a6b82f | 4924 | |
c9a6b82f AG |
4925 | |
4926 | DRM_INFO("PCI error: resume callback!!\n"); | |
acd89fca AG |
4927 | |
4928 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
4929 | struct amdgpu_ring *ring = adev->rings[i]; | |
4930 | ||
4931 | if (!ring || !ring->sched.thread) | |
4932 | continue; | |
4933 | ||
4934 | ||
4935 | drm_sched_resubmit_jobs(&ring->sched); | |
4936 | drm_sched_start(&ring->sched, true); | |
4937 | } | |
4938 | ||
4939 | amdgpu_device_unlock_adev(adev); | |
c9a6b82f | 4940 | } |
c1dd4aa6 AG |
4941 | |
4942 | bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) | |
4943 | { | |
4944 | struct drm_device *dev = pci_get_drvdata(pdev); | |
4945 | struct amdgpu_device *adev = drm_to_adev(dev); | |
4946 | int r; | |
4947 | ||
4948 | r = pci_save_state(pdev); | |
4949 | if (!r) { | |
4950 | kfree(adev->pci_state); | |
4951 | ||
4952 | adev->pci_state = pci_store_saved_state(pdev); | |
4953 | ||
4954 | if (!adev->pci_state) { | |
4955 | DRM_ERROR("Failed to store PCI saved state"); | |
4956 | return false; | |
4957 | } | |
4958 | } else { | |
4959 | DRM_WARN("Failed to save PCI state, err:%d\n", r); | |
4960 | return false; | |
4961 | } | |
4962 | ||
4963 | return true; | |
4964 | } | |
4965 | ||
4966 | bool amdgpu_device_load_pci_state(struct pci_dev *pdev) | |
4967 | { | |
4968 | struct drm_device *dev = pci_get_drvdata(pdev); | |
4969 | struct amdgpu_device *adev = drm_to_adev(dev); | |
4970 | int r; | |
4971 | ||
4972 | if (!adev->pci_state) | |
4973 | return false; | |
4974 | ||
4975 | r = pci_load_saved_state(pdev, adev->pci_state); | |
4976 | ||
4977 | if (!r) { | |
4978 | pci_restore_state(pdev); | |
4979 | } else { | |
4980 | DRM_WARN("Failed to load PCI state, err:%d\n", r); | |
4981 | return false; | |
4982 | } | |
4983 | ||
4984 | return true; | |
4985 | } | |
4986 | ||
4987 |