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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 | */ | |
0875dc9e | 28 | #include <linux/kthread.h> |
d38ceaf9 AD |
29 | #include <linux/console.h> |
30 | #include <linux/slab.h> | |
31 | #include <linux/debugfs.h> | |
32 | #include <drm/drmP.h> | |
33 | #include <drm/drm_crtc_helper.h> | |
34 | #include <drm/amdgpu_drm.h> | |
35 | #include <linux/vgaarb.h> | |
36 | #include <linux/vga_switcheroo.h> | |
37 | #include <linux/efi.h> | |
38 | #include "amdgpu.h" | |
f4b373f4 | 39 | #include "amdgpu_trace.h" |
d38ceaf9 AD |
40 | #include "amdgpu_i2c.h" |
41 | #include "atom.h" | |
42 | #include "amdgpu_atombios.h" | |
a5bde2f9 | 43 | #include "amdgpu_atomfirmware.h" |
d0dd7f0c | 44 | #include "amd_pcie.h" |
33f34802 KW |
45 | #ifdef CONFIG_DRM_AMDGPU_SI |
46 | #include "si.h" | |
47 | #endif | |
a2e73f56 AD |
48 | #ifdef CONFIG_DRM_AMDGPU_CIK |
49 | #include "cik.h" | |
50 | #endif | |
aaa36a97 | 51 | #include "vi.h" |
460826e6 | 52 | #include "soc15.h" |
d38ceaf9 | 53 | #include "bif/bif_4_1_d.h" |
9accf2fd | 54 | #include <linux/pci.h> |
bec86378 | 55 | #include <linux/firmware.h> |
89041940 | 56 | #include "amdgpu_vf_error.h" |
d38ceaf9 | 57 | |
ba997709 | 58 | #include "amdgpu_amdkfd.h" |
d38ceaf9 | 59 | |
e2a75f88 | 60 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
2d2e5e7e | 61 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
e2a75f88 | 62 | |
2dc80b00 S |
63 | #define AMDGPU_RESUME_MS 2000 |
64 | ||
d38ceaf9 AD |
65 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); |
66 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); | |
4f0955fc | 67 | static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev); |
db95e218 | 68 | static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev); |
d38ceaf9 AD |
69 | |
70 | static const char *amdgpu_asic_name[] = { | |
da69c161 KW |
71 | "TAHITI", |
72 | "PITCAIRN", | |
73 | "VERDE", | |
74 | "OLAND", | |
75 | "HAINAN", | |
d38ceaf9 AD |
76 | "BONAIRE", |
77 | "KAVERI", | |
78 | "KABINI", | |
79 | "HAWAII", | |
80 | "MULLINS", | |
81 | "TOPAZ", | |
82 | "TONGA", | |
48299f95 | 83 | "FIJI", |
d38ceaf9 | 84 | "CARRIZO", |
139f4917 | 85 | "STONEY", |
2cc0c0b5 FC |
86 | "POLARIS10", |
87 | "POLARIS11", | |
c4642a47 | 88 | "POLARIS12", |
d4196f01 | 89 | "VEGA10", |
2ca8a5d2 | 90 | "RAVEN", |
d38ceaf9 AD |
91 | "LAST", |
92 | }; | |
93 | ||
94 | bool amdgpu_device_is_px(struct drm_device *dev) | |
95 | { | |
96 | struct amdgpu_device *adev = dev->dev_private; | |
97 | ||
2f7d10b3 | 98 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
99 | return true; |
100 | return false; | |
101 | } | |
102 | ||
103 | /* | |
104 | * MMIO register access helper functions. | |
105 | */ | |
106 | uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, | |
15d72fd7 | 107 | uint32_t acc_flags) |
d38ceaf9 | 108 | { |
f4b373f4 TSD |
109 | uint32_t ret; |
110 | ||
15d72fd7 | 111 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) { |
bc992ba5 XY |
112 | BUG_ON(in_interrupt()); |
113 | return amdgpu_virt_kiq_rreg(adev, reg); | |
114 | } | |
115 | ||
15d72fd7 | 116 | if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) |
f4b373f4 | 117 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); |
d38ceaf9 AD |
118 | else { |
119 | unsigned long flags; | |
d38ceaf9 AD |
120 | |
121 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
122 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
123 | ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
124 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
d38ceaf9 | 125 | } |
f4b373f4 TSD |
126 | trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret); |
127 | return ret; | |
d38ceaf9 AD |
128 | } |
129 | ||
130 | void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, | |
15d72fd7 | 131 | uint32_t acc_flags) |
d38ceaf9 | 132 | { |
f4b373f4 | 133 | trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); |
4e99a44e | 134 | |
47ed4e1c KW |
135 | if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { |
136 | adev->last_mm_index = v; | |
137 | } | |
138 | ||
15d72fd7 | 139 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) { |
bc992ba5 XY |
140 | BUG_ON(in_interrupt()); |
141 | return amdgpu_virt_kiq_wreg(adev, reg, v); | |
142 | } | |
143 | ||
15d72fd7 | 144 | if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) |
d38ceaf9 AD |
145 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); |
146 | else { | |
147 | unsigned long flags; | |
148 | ||
149 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
150 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
151 | writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
152 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
153 | } | |
47ed4e1c KW |
154 | |
155 | if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { | |
156 | udelay(500); | |
157 | } | |
d38ceaf9 AD |
158 | } |
159 | ||
160 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) | |
161 | { | |
162 | if ((reg * 4) < adev->rio_mem_size) | |
163 | return ioread32(adev->rio_mem + (reg * 4)); | |
164 | else { | |
165 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
166 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
167 | } | |
168 | } | |
169 | ||
170 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) | |
171 | { | |
47ed4e1c KW |
172 | if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { |
173 | adev->last_mm_index = v; | |
174 | } | |
d38ceaf9 AD |
175 | |
176 | if ((reg * 4) < adev->rio_mem_size) | |
177 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
178 | else { | |
179 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
180 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
181 | } | |
47ed4e1c KW |
182 | |
183 | if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { | |
184 | udelay(500); | |
185 | } | |
d38ceaf9 AD |
186 | } |
187 | ||
188 | /** | |
189 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
190 | * | |
191 | * @adev: amdgpu_device pointer | |
192 | * @index: doorbell index | |
193 | * | |
194 | * Returns the value in the doorbell aperture at the | |
195 | * requested doorbell index (CIK). | |
196 | */ | |
197 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
198 | { | |
199 | if (index < adev->doorbell.num_doorbells) { | |
200 | return readl(adev->doorbell.ptr + index); | |
201 | } else { | |
202 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
203 | return 0; | |
204 | } | |
205 | } | |
206 | ||
207 | /** | |
208 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
209 | * | |
210 | * @adev: amdgpu_device pointer | |
211 | * @index: doorbell index | |
212 | * @v: value to write | |
213 | * | |
214 | * Writes @v to the doorbell aperture at the | |
215 | * requested doorbell index (CIK). | |
216 | */ | |
217 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
218 | { | |
219 | if (index < adev->doorbell.num_doorbells) { | |
220 | writel(v, adev->doorbell.ptr + index); | |
221 | } else { | |
222 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
223 | } | |
224 | } | |
225 | ||
832be404 KW |
226 | /** |
227 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
228 | * | |
229 | * @adev: amdgpu_device pointer | |
230 | * @index: doorbell index | |
231 | * | |
232 | * Returns the value in the doorbell aperture at the | |
233 | * requested doorbell index (VEGA10+). | |
234 | */ | |
235 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
236 | { | |
237 | if (index < adev->doorbell.num_doorbells) { | |
238 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
239 | } else { | |
240 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
241 | return 0; | |
242 | } | |
243 | } | |
244 | ||
245 | /** | |
246 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
247 | * | |
248 | * @adev: amdgpu_device pointer | |
249 | * @index: doorbell index | |
250 | * @v: value to write | |
251 | * | |
252 | * Writes @v to the doorbell aperture at the | |
253 | * requested doorbell index (VEGA10+). | |
254 | */ | |
255 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
256 | { | |
257 | if (index < adev->doorbell.num_doorbells) { | |
258 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
259 | } else { | |
260 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
261 | } | |
262 | } | |
263 | ||
d38ceaf9 AD |
264 | /** |
265 | * amdgpu_invalid_rreg - dummy reg read function | |
266 | * | |
267 | * @adev: amdgpu device pointer | |
268 | * @reg: offset of register | |
269 | * | |
270 | * Dummy register read function. Used for register blocks | |
271 | * that certain asics don't have (all asics). | |
272 | * Returns the value in the register. | |
273 | */ | |
274 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
275 | { | |
276 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
277 | BUG(); | |
278 | return 0; | |
279 | } | |
280 | ||
281 | /** | |
282 | * amdgpu_invalid_wreg - dummy reg write function | |
283 | * | |
284 | * @adev: amdgpu device pointer | |
285 | * @reg: offset of register | |
286 | * @v: value to write to the register | |
287 | * | |
288 | * Dummy register read function. Used for register blocks | |
289 | * that certain asics don't have (all asics). | |
290 | */ | |
291 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
292 | { | |
293 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
294 | reg, v); | |
295 | BUG(); | |
296 | } | |
297 | ||
298 | /** | |
299 | * amdgpu_block_invalid_rreg - dummy reg read function | |
300 | * | |
301 | * @adev: amdgpu device pointer | |
302 | * @block: offset of instance | |
303 | * @reg: offset of register | |
304 | * | |
305 | * Dummy register read function. Used for register blocks | |
306 | * that certain asics don't have (all asics). | |
307 | * Returns the value in the register. | |
308 | */ | |
309 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
310 | uint32_t block, uint32_t reg) | |
311 | { | |
312 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
313 | reg, block); | |
314 | BUG(); | |
315 | return 0; | |
316 | } | |
317 | ||
318 | /** | |
319 | * amdgpu_block_invalid_wreg - dummy reg write function | |
320 | * | |
321 | * @adev: amdgpu device pointer | |
322 | * @block: offset of instance | |
323 | * @reg: offset of register | |
324 | * @v: value to write to the register | |
325 | * | |
326 | * Dummy register read function. Used for register blocks | |
327 | * that certain asics don't have (all asics). | |
328 | */ | |
329 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
330 | uint32_t block, | |
331 | uint32_t reg, uint32_t v) | |
332 | { | |
333 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
334 | reg, block, v); | |
335 | BUG(); | |
336 | } | |
337 | ||
338 | static int amdgpu_vram_scratch_init(struct amdgpu_device *adev) | |
339 | { | |
a4a02777 CK |
340 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
341 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, | |
342 | &adev->vram_scratch.robj, | |
343 | &adev->vram_scratch.gpu_addr, | |
344 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
345 | } |
346 | ||
347 | static void amdgpu_vram_scratch_fini(struct amdgpu_device *adev) | |
348 | { | |
078af1a3 | 349 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
350 | } |
351 | ||
352 | /** | |
353 | * amdgpu_program_register_sequence - program an array of registers. | |
354 | * | |
355 | * @adev: amdgpu_device pointer | |
356 | * @registers: pointer to the register array | |
357 | * @array_size: size of the register array | |
358 | * | |
359 | * Programs an array or registers with and and or masks. | |
360 | * This is a helper for setting golden registers. | |
361 | */ | |
362 | void amdgpu_program_register_sequence(struct amdgpu_device *adev, | |
363 | const u32 *registers, | |
364 | const u32 array_size) | |
365 | { | |
366 | u32 tmp, reg, and_mask, or_mask; | |
367 | int i; | |
368 | ||
369 | if (array_size % 3) | |
370 | return; | |
371 | ||
372 | for (i = 0; i < array_size; i +=3) { | |
373 | reg = registers[i + 0]; | |
374 | and_mask = registers[i + 1]; | |
375 | or_mask = registers[i + 2]; | |
376 | ||
377 | if (and_mask == 0xffffffff) { | |
378 | tmp = or_mask; | |
379 | } else { | |
380 | tmp = RREG32(reg); | |
381 | tmp &= ~and_mask; | |
382 | tmp |= or_mask; | |
383 | } | |
384 | WREG32(reg, tmp); | |
385 | } | |
386 | } | |
387 | ||
388 | void amdgpu_pci_config_reset(struct amdgpu_device *adev) | |
389 | { | |
390 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
391 | } | |
392 | ||
393 | /* | |
394 | * GPU doorbell aperture helpers function. | |
395 | */ | |
396 | /** | |
397 | * amdgpu_doorbell_init - Init doorbell driver information. | |
398 | * | |
399 | * @adev: amdgpu_device pointer | |
400 | * | |
401 | * Init doorbell driver information (CIK) | |
402 | * Returns 0 on success, error on failure. | |
403 | */ | |
404 | static int amdgpu_doorbell_init(struct amdgpu_device *adev) | |
405 | { | |
705e519e CK |
406 | /* No doorbell on SI hardware generation */ |
407 | if (adev->asic_type < CHIP_BONAIRE) { | |
408 | adev->doorbell.base = 0; | |
409 | adev->doorbell.size = 0; | |
410 | adev->doorbell.num_doorbells = 0; | |
411 | adev->doorbell.ptr = NULL; | |
412 | return 0; | |
413 | } | |
414 | ||
d38ceaf9 AD |
415 | /* doorbell bar mapping */ |
416 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
417 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
418 | ||
edf600da | 419 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
d38ceaf9 AD |
420 | AMDGPU_DOORBELL_MAX_ASSIGNMENT+1); |
421 | if (adev->doorbell.num_doorbells == 0) | |
422 | return -EINVAL; | |
423 | ||
8972e5d2 CK |
424 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
425 | adev->doorbell.num_doorbells * | |
426 | sizeof(u32)); | |
427 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 428 | return -ENOMEM; |
d38ceaf9 AD |
429 | |
430 | return 0; | |
431 | } | |
432 | ||
433 | /** | |
434 | * amdgpu_doorbell_fini - Tear down doorbell driver information. | |
435 | * | |
436 | * @adev: amdgpu_device pointer | |
437 | * | |
438 | * Tear down doorbell driver information (CIK) | |
439 | */ | |
440 | static void amdgpu_doorbell_fini(struct amdgpu_device *adev) | |
441 | { | |
442 | iounmap(adev->doorbell.ptr); | |
443 | adev->doorbell.ptr = NULL; | |
444 | } | |
445 | ||
446 | /** | |
447 | * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to | |
448 | * setup amdkfd | |
449 | * | |
450 | * @adev: amdgpu_device pointer | |
451 | * @aperture_base: output returning doorbell aperture base physical address | |
452 | * @aperture_size: output returning doorbell aperture size in bytes | |
453 | * @start_offset: output returning # of doorbell bytes reserved for amdgpu. | |
454 | * | |
455 | * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up, | |
456 | * takes doorbells required for its own rings and reports the setup to amdkfd. | |
457 | * amdgpu reserved doorbells are at the start of the doorbell aperture. | |
458 | */ | |
459 | void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, | |
460 | phys_addr_t *aperture_base, | |
461 | size_t *aperture_size, | |
462 | size_t *start_offset) | |
463 | { | |
464 | /* | |
465 | * The first num_doorbells are used by amdgpu. | |
466 | * amdkfd takes whatever's left in the aperture. | |
467 | */ | |
468 | if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) { | |
469 | *aperture_base = adev->doorbell.base; | |
470 | *aperture_size = adev->doorbell.size; | |
471 | *start_offset = adev->doorbell.num_doorbells * sizeof(u32); | |
472 | } else { | |
473 | *aperture_base = 0; | |
474 | *aperture_size = 0; | |
475 | *start_offset = 0; | |
476 | } | |
477 | } | |
478 | ||
479 | /* | |
480 | * amdgpu_wb_*() | |
455a7bc2 | 481 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 482 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
483 | */ |
484 | ||
485 | /** | |
486 | * amdgpu_wb_fini - Disable Writeback and free memory | |
487 | * | |
488 | * @adev: amdgpu_device pointer | |
489 | * | |
490 | * Disables Writeback and frees the Writeback memory (all asics). | |
491 | * Used at driver shutdown. | |
492 | */ | |
493 | static void amdgpu_wb_fini(struct amdgpu_device *adev) | |
494 | { | |
495 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
496 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
497 | &adev->wb.gpu_addr, | |
498 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
499 | adev->wb.wb_obj = NULL; |
500 | } | |
501 | } | |
502 | ||
503 | /** | |
504 | * amdgpu_wb_init- Init Writeback driver info and allocate memory | |
505 | * | |
506 | * @adev: amdgpu_device pointer | |
507 | * | |
455a7bc2 | 508 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
509 | * Used at driver startup. |
510 | * Returns 0 on success or an -error on failure. | |
511 | */ | |
512 | static int amdgpu_wb_init(struct amdgpu_device *adev) | |
513 | { | |
514 | int r; | |
515 | ||
516 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
517 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
518 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
519 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
520 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
521 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
522 | if (r) { |
523 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
524 | return r; | |
525 | } | |
d38ceaf9 AD |
526 | |
527 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
528 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
529 | ||
530 | /* clear wb memory */ | |
60a970a6 | 531 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t)); |
d38ceaf9 AD |
532 | } |
533 | ||
534 | return 0; | |
535 | } | |
536 | ||
537 | /** | |
538 | * amdgpu_wb_get - Allocate a wb entry | |
539 | * | |
540 | * @adev: amdgpu_device pointer | |
541 | * @wb: wb index | |
542 | * | |
543 | * Allocate a wb slot for use by the driver (all asics). | |
544 | * Returns 0 on success or -EINVAL on failure. | |
545 | */ | |
546 | int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) | |
547 | { | |
548 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 549 | |
97407b63 | 550 | if (offset < adev->wb.num_wb) { |
7014285a | 551 | __set_bit(offset, adev->wb.used); |
97407b63 | 552 | *wb = offset * 8; /* convert to dw offset */ |
0915fdbc ML |
553 | return 0; |
554 | } else { | |
555 | return -EINVAL; | |
556 | } | |
557 | } | |
558 | ||
d38ceaf9 AD |
559 | /** |
560 | * amdgpu_wb_free - Free a wb entry | |
561 | * | |
562 | * @adev: amdgpu_device pointer | |
563 | * @wb: wb index | |
564 | * | |
565 | * Free a wb slot allocated for use by the driver (all asics) | |
566 | */ | |
567 | void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb) | |
568 | { | |
569 | if (wb < adev->wb.num_wb) | |
570 | __clear_bit(wb, adev->wb.used); | |
571 | } | |
572 | ||
573 | /** | |
574 | * amdgpu_vram_location - try to find VRAM location | |
575 | * @adev: amdgpu device structure holding all necessary informations | |
576 | * @mc: memory controller structure holding memory informations | |
577 | * @base: base address at which to put VRAM | |
578 | * | |
455a7bc2 | 579 | * Function will try to place VRAM at base address provided |
d38ceaf9 AD |
580 | * as parameter (which is so far either PCI aperture address or |
581 | * for IGP TOM base address). | |
582 | * | |
583 | * If there is not enough space to fit the unvisible VRAM in the 32bits | |
584 | * address space then we limit the VRAM size to the aperture. | |
585 | * | |
586 | * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size, | |
587 | * this shouldn't be a problem as we are using the PCI aperture as a reference. | |
588 | * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but | |
589 | * not IGP. | |
590 | * | |
591 | * Note: we use mc_vram_size as on some board we need to program the mc to | |
592 | * cover the whole aperture even if VRAM size is inferior to aperture size | |
593 | * Novell bug 204882 + along with lots of ubuntu ones | |
594 | * | |
595 | * Note: when limiting vram it's safe to overwritte real_vram_size because | |
596 | * we are not in case where real_vram_size is inferior to mc_vram_size (ie | |
597 | * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu | |
598 | * ones) | |
599 | * | |
600 | * Note: IGP TOM addr should be the same as the aperture addr, we don't | |
455a7bc2 | 601 | * explicitly check for that though. |
d38ceaf9 AD |
602 | * |
603 | * FIXME: when reducing VRAM size align new size on power of 2. | |
604 | */ | |
605 | void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base) | |
606 | { | |
607 | uint64_t limit = (uint64_t)amdgpu_vram_limit << 20; | |
608 | ||
609 | mc->vram_start = base; | |
610 | if (mc->mc_vram_size > (adev->mc.mc_mask - base + 1)) { | |
611 | dev_warn(adev->dev, "limiting VRAM to PCI aperture size\n"); | |
612 | mc->real_vram_size = mc->aper_size; | |
613 | mc->mc_vram_size = mc->aper_size; | |
614 | } | |
615 | mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; | |
616 | if (limit && limit < mc->real_vram_size) | |
617 | mc->real_vram_size = limit; | |
618 | dev_info(adev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n", | |
619 | mc->mc_vram_size >> 20, mc->vram_start, | |
620 | mc->vram_end, mc->real_vram_size >> 20); | |
621 | } | |
622 | ||
623 | /** | |
6f02a696 | 624 | * amdgpu_gart_location - try to find GTT location |
d38ceaf9 AD |
625 | * @adev: amdgpu device structure holding all necessary informations |
626 | * @mc: memory controller structure holding memory informations | |
627 | * | |
628 | * Function will place try to place GTT before or after VRAM. | |
629 | * | |
630 | * If GTT size is bigger than space left then we ajust GTT size. | |
631 | * Thus function will never fails. | |
632 | * | |
633 | * FIXME: when reducing GTT size align new size on power of 2. | |
634 | */ | |
6f02a696 | 635 | void amdgpu_gart_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) |
d38ceaf9 AD |
636 | { |
637 | u64 size_af, size_bf; | |
638 | ||
ed21c047 CK |
639 | size_af = adev->mc.mc_mask - mc->vram_end; |
640 | size_bf = mc->vram_start; | |
d38ceaf9 | 641 | if (size_bf > size_af) { |
6f02a696 | 642 | if (mc->gart_size > size_bf) { |
d38ceaf9 | 643 | dev_warn(adev->dev, "limiting GTT\n"); |
6f02a696 | 644 | mc->gart_size = size_bf; |
d38ceaf9 | 645 | } |
6f02a696 | 646 | mc->gart_start = 0; |
d38ceaf9 | 647 | } else { |
6f02a696 | 648 | if (mc->gart_size > size_af) { |
d38ceaf9 | 649 | dev_warn(adev->dev, "limiting GTT\n"); |
6f02a696 | 650 | mc->gart_size = size_af; |
d38ceaf9 | 651 | } |
6f02a696 | 652 | mc->gart_start = mc->vram_end + 1; |
d38ceaf9 | 653 | } |
6f02a696 | 654 | mc->gart_end = mc->gart_start + mc->gart_size - 1; |
d38ceaf9 | 655 | dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", |
6f02a696 | 656 | mc->gart_size >> 20, mc->gart_start, mc->gart_end); |
d38ceaf9 AD |
657 | } |
658 | ||
659 | /* | |
660 | * GPU helpers function. | |
661 | */ | |
662 | /** | |
c836fec5 | 663 | * amdgpu_need_post - check if the hw need post or not |
d38ceaf9 AD |
664 | * |
665 | * @adev: amdgpu_device pointer | |
666 | * | |
c836fec5 JQ |
667 | * Check if the asic has been initialized (all asics) at driver startup |
668 | * or post is needed if hw reset is performed. | |
669 | * Returns true if need or false if not. | |
d38ceaf9 | 670 | */ |
c836fec5 | 671 | bool amdgpu_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
672 | { |
673 | uint32_t reg; | |
674 | ||
c836fec5 JQ |
675 | if (adev->has_hw_reset) { |
676 | adev->has_hw_reset = false; | |
677 | return true; | |
678 | } | |
70d17a25 AD |
679 | |
680 | /* bios scratch used on CIK+ */ | |
681 | if (adev->asic_type >= CHIP_BONAIRE) | |
682 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
683 | ||
684 | /* check MEM_SIZE for older asics */ | |
bbf282d8 | 685 | reg = amdgpu_asic_get_config_memsize(adev); |
d38ceaf9 | 686 | |
f2713e8c | 687 | if ((reg != 0) && (reg != 0xffffffff)) |
c836fec5 | 688 | return false; |
d38ceaf9 | 689 | |
c836fec5 | 690 | return true; |
d38ceaf9 AD |
691 | |
692 | } | |
693 | ||
bec86378 ML |
694 | static bool amdgpu_vpost_needed(struct amdgpu_device *adev) |
695 | { | |
696 | if (amdgpu_sriov_vf(adev)) | |
697 | return false; | |
698 | ||
699 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
700 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
701 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
702 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
703 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
704 | */ |
705 | if (adev->asic_type == CHIP_FIJI) { | |
706 | int err; | |
707 | uint32_t fw_ver; | |
708 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
709 | /* force vPost if error occured */ | |
710 | if (err) | |
711 | return true; | |
712 | ||
713 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
714 | if (fw_ver < 0x00160e00) |
715 | return true; | |
bec86378 | 716 | } |
bec86378 | 717 | } |
c836fec5 | 718 | return amdgpu_need_post(adev); |
bec86378 ML |
719 | } |
720 | ||
d38ceaf9 AD |
721 | /** |
722 | * amdgpu_dummy_page_init - init dummy page used by the driver | |
723 | * | |
724 | * @adev: amdgpu_device pointer | |
725 | * | |
726 | * Allocate the dummy page used by the driver (all asics). | |
727 | * This dummy page is used by the driver as a filler for gart entries | |
728 | * when pages are taken out of the GART | |
729 | * Returns 0 on sucess, -ENOMEM on failure. | |
730 | */ | |
731 | int amdgpu_dummy_page_init(struct amdgpu_device *adev) | |
732 | { | |
733 | if (adev->dummy_page.page) | |
734 | return 0; | |
735 | adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); | |
736 | if (adev->dummy_page.page == NULL) | |
737 | return -ENOMEM; | |
738 | adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page, | |
739 | 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
740 | if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) { | |
741 | dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); | |
742 | __free_page(adev->dummy_page.page); | |
743 | adev->dummy_page.page = NULL; | |
744 | return -ENOMEM; | |
745 | } | |
746 | return 0; | |
747 | } | |
748 | ||
749 | /** | |
750 | * amdgpu_dummy_page_fini - free dummy page used by the driver | |
751 | * | |
752 | * @adev: amdgpu_device pointer | |
753 | * | |
754 | * Frees the dummy page used by the driver (all asics). | |
755 | */ | |
756 | void amdgpu_dummy_page_fini(struct amdgpu_device *adev) | |
757 | { | |
758 | if (adev->dummy_page.page == NULL) | |
759 | return; | |
760 | pci_unmap_page(adev->pdev, adev->dummy_page.addr, | |
761 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
762 | __free_page(adev->dummy_page.page); | |
763 | adev->dummy_page.page = NULL; | |
764 | } | |
765 | ||
766 | ||
767 | /* ATOM accessor methods */ | |
768 | /* | |
769 | * ATOM is an interpreted byte code stored in tables in the vbios. The | |
770 | * driver registers callbacks to access registers and the interpreter | |
771 | * in the driver parses the tables and executes then to program specific | |
772 | * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, | |
773 | * atombios.h, and atom.c | |
774 | */ | |
775 | ||
776 | /** | |
777 | * cail_pll_read - read PLL register | |
778 | * | |
779 | * @info: atom card_info pointer | |
780 | * @reg: PLL register offset | |
781 | * | |
782 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
783 | * Returns the value of the PLL register. | |
784 | */ | |
785 | static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) | |
786 | { | |
787 | return 0; | |
788 | } | |
789 | ||
790 | /** | |
791 | * cail_pll_write - write PLL register | |
792 | * | |
793 | * @info: atom card_info pointer | |
794 | * @reg: PLL register offset | |
795 | * @val: value to write to the pll register | |
796 | * | |
797 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
798 | */ | |
799 | static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) | |
800 | { | |
801 | ||
802 | } | |
803 | ||
804 | /** | |
805 | * cail_mc_read - read MC (Memory Controller) register | |
806 | * | |
807 | * @info: atom card_info pointer | |
808 | * @reg: MC register offset | |
809 | * | |
810 | * Provides an MC register accessor for the atom interpreter (r4xx+). | |
811 | * Returns the value of the MC register. | |
812 | */ | |
813 | static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) | |
814 | { | |
815 | return 0; | |
816 | } | |
817 | ||
818 | /** | |
819 | * cail_mc_write - write MC (Memory Controller) register | |
820 | * | |
821 | * @info: atom card_info pointer | |
822 | * @reg: MC register offset | |
823 | * @val: value to write to the pll register | |
824 | * | |
825 | * Provides a MC register accessor for the atom interpreter (r4xx+). | |
826 | */ | |
827 | static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) | |
828 | { | |
829 | ||
830 | } | |
831 | ||
832 | /** | |
833 | * cail_reg_write - write MMIO register | |
834 | * | |
835 | * @info: atom card_info pointer | |
836 | * @reg: MMIO register offset | |
837 | * @val: value to write to the pll register | |
838 | * | |
839 | * Provides a MMIO register accessor for the atom interpreter (r4xx+). | |
840 | */ | |
841 | static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
842 | { | |
843 | struct amdgpu_device *adev = info->dev->dev_private; | |
844 | ||
845 | WREG32(reg, val); | |
846 | } | |
847 | ||
848 | /** | |
849 | * cail_reg_read - read MMIO register | |
850 | * | |
851 | * @info: atom card_info pointer | |
852 | * @reg: MMIO register offset | |
853 | * | |
854 | * Provides an MMIO register accessor for the atom interpreter (r4xx+). | |
855 | * Returns the value of the MMIO register. | |
856 | */ | |
857 | static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) | |
858 | { | |
859 | struct amdgpu_device *adev = info->dev->dev_private; | |
860 | uint32_t r; | |
861 | ||
862 | r = RREG32(reg); | |
863 | return r; | |
864 | } | |
865 | ||
866 | /** | |
867 | * cail_ioreg_write - write IO register | |
868 | * | |
869 | * @info: atom card_info pointer | |
870 | * @reg: IO register offset | |
871 | * @val: value to write to the pll register | |
872 | * | |
873 | * Provides a IO register accessor for the atom interpreter (r4xx+). | |
874 | */ | |
875 | static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
876 | { | |
877 | struct amdgpu_device *adev = info->dev->dev_private; | |
878 | ||
879 | WREG32_IO(reg, val); | |
880 | } | |
881 | ||
882 | /** | |
883 | * cail_ioreg_read - read IO register | |
884 | * | |
885 | * @info: atom card_info pointer | |
886 | * @reg: IO register offset | |
887 | * | |
888 | * Provides an IO register accessor for the atom interpreter (r4xx+). | |
889 | * Returns the value of the IO register. | |
890 | */ | |
891 | static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg) | |
892 | { | |
893 | struct amdgpu_device *adev = info->dev->dev_private; | |
894 | uint32_t r; | |
895 | ||
896 | r = RREG32_IO(reg); | |
897 | return r; | |
898 | } | |
899 | ||
5b41d94c KR |
900 | static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev, |
901 | struct device_attribute *attr, | |
902 | char *buf) | |
903 | { | |
904 | struct drm_device *ddev = dev_get_drvdata(dev); | |
905 | struct amdgpu_device *adev = ddev->dev_private; | |
906 | struct atom_context *ctx = adev->mode_info.atom_context; | |
907 | ||
908 | return snprintf(buf, PAGE_SIZE, "%s\n", ctx->vbios_version); | |
909 | } | |
910 | ||
911 | static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version, | |
912 | NULL); | |
913 | ||
d38ceaf9 AD |
914 | /** |
915 | * amdgpu_atombios_fini - free the driver info and callbacks for atombios | |
916 | * | |
917 | * @adev: amdgpu_device pointer | |
918 | * | |
919 | * Frees the driver info and register access callbacks for the ATOM | |
920 | * interpreter (r4xx+). | |
921 | * Called at driver shutdown. | |
922 | */ | |
923 | static void amdgpu_atombios_fini(struct amdgpu_device *adev) | |
924 | { | |
89e0ec9f | 925 | if (adev->mode_info.atom_context) { |
d38ceaf9 | 926 | kfree(adev->mode_info.atom_context->scratch); |
89e0ec9f ML |
927 | kfree(adev->mode_info.atom_context->iio); |
928 | } | |
d38ceaf9 AD |
929 | kfree(adev->mode_info.atom_context); |
930 | adev->mode_info.atom_context = NULL; | |
931 | kfree(adev->mode_info.atom_card_info); | |
932 | adev->mode_info.atom_card_info = NULL; | |
5b41d94c | 933 | device_remove_file(adev->dev, &dev_attr_vbios_version); |
d38ceaf9 AD |
934 | } |
935 | ||
936 | /** | |
937 | * amdgpu_atombios_init - init the driver info and callbacks for atombios | |
938 | * | |
939 | * @adev: amdgpu_device pointer | |
940 | * | |
941 | * Initializes the driver info and register access callbacks for the | |
942 | * ATOM interpreter (r4xx+). | |
943 | * Returns 0 on sucess, -ENOMEM on failure. | |
944 | * Called at driver startup. | |
945 | */ | |
946 | static int amdgpu_atombios_init(struct amdgpu_device *adev) | |
947 | { | |
948 | struct card_info *atom_card_info = | |
949 | kzalloc(sizeof(struct card_info), GFP_KERNEL); | |
5b41d94c | 950 | int ret; |
d38ceaf9 AD |
951 | |
952 | if (!atom_card_info) | |
953 | return -ENOMEM; | |
954 | ||
955 | adev->mode_info.atom_card_info = atom_card_info; | |
956 | atom_card_info->dev = adev->ddev; | |
957 | atom_card_info->reg_read = cail_reg_read; | |
958 | atom_card_info->reg_write = cail_reg_write; | |
959 | /* needed for iio ops */ | |
960 | if (adev->rio_mem) { | |
961 | atom_card_info->ioreg_read = cail_ioreg_read; | |
962 | atom_card_info->ioreg_write = cail_ioreg_write; | |
963 | } else { | |
b64a18c5 | 964 | DRM_INFO("PCI I/O BAR is not found. Using MMIO to access ATOM BIOS\n"); |
d38ceaf9 AD |
965 | atom_card_info->ioreg_read = cail_reg_read; |
966 | atom_card_info->ioreg_write = cail_reg_write; | |
967 | } | |
968 | atom_card_info->mc_read = cail_mc_read; | |
969 | atom_card_info->mc_write = cail_mc_write; | |
970 | atom_card_info->pll_read = cail_pll_read; | |
971 | atom_card_info->pll_write = cail_pll_write; | |
972 | ||
973 | adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios); | |
974 | if (!adev->mode_info.atom_context) { | |
975 | amdgpu_atombios_fini(adev); | |
976 | return -ENOMEM; | |
977 | } | |
978 | ||
979 | mutex_init(&adev->mode_info.atom_context->mutex); | |
a5bde2f9 AD |
980 | if (adev->is_atom_fw) { |
981 | amdgpu_atomfirmware_scratch_regs_init(adev); | |
982 | amdgpu_atomfirmware_allocate_fb_scratch(adev); | |
983 | } else { | |
984 | amdgpu_atombios_scratch_regs_init(adev); | |
985 | amdgpu_atombios_allocate_fb_scratch(adev); | |
986 | } | |
5b41d94c KR |
987 | |
988 | ret = device_create_file(adev->dev, &dev_attr_vbios_version); | |
989 | if (ret) { | |
990 | DRM_ERROR("Failed to create device file for VBIOS version\n"); | |
991 | return ret; | |
992 | } | |
993 | ||
d38ceaf9 AD |
994 | return 0; |
995 | } | |
996 | ||
997 | /* if we get transitioned to only one device, take VGA back */ | |
998 | /** | |
999 | * amdgpu_vga_set_decode - enable/disable vga decode | |
1000 | * | |
1001 | * @cookie: amdgpu_device pointer | |
1002 | * @state: enable/disable vga decode | |
1003 | * | |
1004 | * Enable/disable vga decode (all asics). | |
1005 | * Returns VGA resource flags. | |
1006 | */ | |
1007 | static unsigned int amdgpu_vga_set_decode(void *cookie, bool state) | |
1008 | { | |
1009 | struct amdgpu_device *adev = cookie; | |
1010 | amdgpu_asic_set_vga_state(adev, state); | |
1011 | if (state) | |
1012 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1013 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1014 | else | |
1015 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1016 | } | |
1017 | ||
bab4fee7 | 1018 | static void amdgpu_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1019 | { |
1020 | /* defines number of bits in page table versus page directory, | |
1021 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1022 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
1023 | if (amdgpu_vm_block_size == -1) |
1024 | return; | |
a1adf8be | 1025 | |
bab4fee7 | 1026 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1027 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1028 | amdgpu_vm_block_size); | |
bab4fee7 | 1029 | goto def_value; |
a1adf8be CZ |
1030 | } |
1031 | ||
1032 | if (amdgpu_vm_block_size > 24 || | |
1033 | (amdgpu_vm_size * 1024) < (1ull << amdgpu_vm_block_size)) { | |
1034 | dev_warn(adev->dev, "VM page table size (%d) too large\n", | |
1035 | amdgpu_vm_block_size); | |
bab4fee7 | 1036 | goto def_value; |
a1adf8be | 1037 | } |
bab4fee7 JZ |
1038 | |
1039 | return; | |
1040 | ||
1041 | def_value: | |
1042 | amdgpu_vm_block_size = -1; | |
a1adf8be CZ |
1043 | } |
1044 | ||
83ca145d ZJ |
1045 | static void amdgpu_check_vm_size(struct amdgpu_device *adev) |
1046 | { | |
64dab074 AD |
1047 | /* no need to check the default value */ |
1048 | if (amdgpu_vm_size == -1) | |
1049 | return; | |
1050 | ||
76117507 | 1051 | if (!is_power_of_2(amdgpu_vm_size)) { |
83ca145d ZJ |
1052 | dev_warn(adev->dev, "VM size (%d) must be a power of 2\n", |
1053 | amdgpu_vm_size); | |
1054 | goto def_value; | |
1055 | } | |
1056 | ||
1057 | if (amdgpu_vm_size < 1) { | |
1058 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1059 | amdgpu_vm_size); | |
1060 | goto def_value; | |
1061 | } | |
1062 | ||
1063 | /* | |
1064 | * Max GPUVM size for Cayman, SI, CI VI are 40 bits. | |
1065 | */ | |
1066 | if (amdgpu_vm_size > 1024) { | |
1067 | dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n", | |
1068 | amdgpu_vm_size); | |
1069 | goto def_value; | |
1070 | } | |
1071 | ||
1072 | return; | |
1073 | ||
1074 | def_value: | |
bab4fee7 | 1075 | amdgpu_vm_size = -1; |
83ca145d ZJ |
1076 | } |
1077 | ||
d38ceaf9 AD |
1078 | /** |
1079 | * amdgpu_check_arguments - validate module params | |
1080 | * | |
1081 | * @adev: amdgpu_device pointer | |
1082 | * | |
1083 | * Validates certain module parameters and updates | |
1084 | * the associated values used by the driver (all asics). | |
1085 | */ | |
1086 | static void amdgpu_check_arguments(struct amdgpu_device *adev) | |
1087 | { | |
5b011235 CZ |
1088 | if (amdgpu_sched_jobs < 4) { |
1089 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1090 | amdgpu_sched_jobs); | |
1091 | amdgpu_sched_jobs = 4; | |
76117507 | 1092 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
1093 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1094 | amdgpu_sched_jobs); | |
1095 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1096 | } | |
d38ceaf9 | 1097 | |
83e74db6 | 1098 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1099 | /* gart size must be greater or equal to 32M */ |
1100 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1101 | amdgpu_gart_size); | |
83e74db6 | 1102 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1103 | } |
1104 | ||
36d38372 | 1105 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1106 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1107 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1108 | amdgpu_gtt_size); | |
1109 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1110 | } |
1111 | ||
d07f14be RH |
1112 | /* valid range is between 4 and 9 inclusive */ |
1113 | if (amdgpu_vm_fragment_size != -1 && | |
1114 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1115 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1116 | amdgpu_vm_fragment_size = -1; | |
1117 | } | |
1118 | ||
83ca145d | 1119 | amdgpu_check_vm_size(adev); |
d38ceaf9 | 1120 | |
bab4fee7 | 1121 | amdgpu_check_block_size(adev); |
6a7f76e7 | 1122 | |
526bae37 | 1123 | if (amdgpu_vram_page_split != -1 && (amdgpu_vram_page_split < 16 || |
76117507 | 1124 | !is_power_of_2(amdgpu_vram_page_split))) { |
6a7f76e7 CK |
1125 | dev_warn(adev->dev, "invalid VRAM page split (%d)\n", |
1126 | amdgpu_vram_page_split); | |
1127 | amdgpu_vram_page_split = 1024; | |
1128 | } | |
d38ceaf9 AD |
1129 | } |
1130 | ||
1131 | /** | |
1132 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1133 | * | |
1134 | * @pdev: pci dev pointer | |
1694467b | 1135 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1136 | * |
1137 | * Callback for the switcheroo driver. Suspends or resumes the | |
1138 | * the asics before or after it is powered up using ACPI methods. | |
1139 | */ | |
1140 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) | |
1141 | { | |
1142 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1143 | ||
1144 | if (amdgpu_device_is_px(dev) && state == VGA_SWITCHEROO_OFF) | |
1145 | return; | |
1146 | ||
1147 | if (state == VGA_SWITCHEROO_ON) { | |
7ca85295 | 1148 | pr_info("amdgpu: switched on\n"); |
d38ceaf9 AD |
1149 | /* don't suspend or resume card normally */ |
1150 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1151 | ||
810ddc3a | 1152 | amdgpu_device_resume(dev, true, true); |
d38ceaf9 | 1153 | |
d38ceaf9 AD |
1154 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
1155 | drm_kms_helper_poll_enable(dev); | |
1156 | } else { | |
7ca85295 | 1157 | pr_info("amdgpu: switched off\n"); |
d38ceaf9 AD |
1158 | drm_kms_helper_poll_disable(dev); |
1159 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
810ddc3a | 1160 | amdgpu_device_suspend(dev, true, true); |
d38ceaf9 AD |
1161 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1162 | } | |
1163 | } | |
1164 | ||
1165 | /** | |
1166 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1167 | * | |
1168 | * @pdev: pci dev pointer | |
1169 | * | |
1170 | * Callback for the switcheroo driver. Check of the switcheroo | |
1171 | * state can be changed. | |
1172 | * Returns true if the state can be changed, false if not. | |
1173 | */ | |
1174 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1175 | { | |
1176 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1177 | ||
1178 | /* | |
1179 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1180 | * locking inversion with the driver load path. And the access here is | |
1181 | * completely racy anyway. So don't bother with locking for now. | |
1182 | */ | |
1183 | return dev->open_count == 0; | |
1184 | } | |
1185 | ||
1186 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1187 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1188 | .reprobe = NULL, | |
1189 | .can_switch = amdgpu_switcheroo_can_switch, | |
1190 | }; | |
1191 | ||
1192 | int amdgpu_set_clockgating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1193 | enum amd_ip_block_type block_type, |
1194 | enum amd_clockgating_state state) | |
d38ceaf9 AD |
1195 | { |
1196 | int i, r = 0; | |
1197 | ||
1198 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1199 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1200 | continue; |
c722865a RZ |
1201 | if (adev->ip_blocks[i].version->type != block_type) |
1202 | continue; | |
1203 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1204 | continue; | |
1205 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1206 | (void *)adev, state); | |
1207 | if (r) | |
1208 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1209 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1210 | } |
1211 | return r; | |
1212 | } | |
1213 | ||
1214 | int amdgpu_set_powergating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1215 | enum amd_ip_block_type block_type, |
1216 | enum amd_powergating_state state) | |
d38ceaf9 AD |
1217 | { |
1218 | int i, r = 0; | |
1219 | ||
1220 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1221 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1222 | continue; |
c722865a RZ |
1223 | if (adev->ip_blocks[i].version->type != block_type) |
1224 | continue; | |
1225 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1226 | continue; | |
1227 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1228 | (void *)adev, state); | |
1229 | if (r) | |
1230 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1231 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1232 | } |
1233 | return r; | |
1234 | } | |
1235 | ||
6cb2d4e4 HR |
1236 | void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) |
1237 | { | |
1238 | int i; | |
1239 | ||
1240 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1241 | if (!adev->ip_blocks[i].status.valid) | |
1242 | continue; | |
1243 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1244 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1245 | } | |
1246 | } | |
1247 | ||
5dbbb60b AD |
1248 | int amdgpu_wait_for_idle(struct amdgpu_device *adev, |
1249 | enum amd_ip_block_type block_type) | |
1250 | { | |
1251 | int i, r; | |
1252 | ||
1253 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1254 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1255 | continue; |
a1255107 AD |
1256 | if (adev->ip_blocks[i].version->type == block_type) { |
1257 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1258 | if (r) |
1259 | return r; | |
1260 | break; | |
1261 | } | |
1262 | } | |
1263 | return 0; | |
1264 | ||
1265 | } | |
1266 | ||
1267 | bool amdgpu_is_idle(struct amdgpu_device *adev, | |
1268 | enum amd_ip_block_type block_type) | |
1269 | { | |
1270 | int i; | |
1271 | ||
1272 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1273 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1274 | continue; |
a1255107 AD |
1275 | if (adev->ip_blocks[i].version->type == block_type) |
1276 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1277 | } |
1278 | return true; | |
1279 | ||
1280 | } | |
1281 | ||
a1255107 AD |
1282 | struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev, |
1283 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1284 | { |
1285 | int i; | |
1286 | ||
1287 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1288 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1289 | return &adev->ip_blocks[i]; |
1290 | ||
1291 | return NULL; | |
1292 | } | |
1293 | ||
1294 | /** | |
1295 | * amdgpu_ip_block_version_cmp | |
1296 | * | |
1297 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1298 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1299 | * @major: major version |
1300 | * @minor: minor version | |
1301 | * | |
1302 | * return 0 if equal or greater | |
1303 | * return 1 if smaller or the ip_block doesn't exist | |
1304 | */ | |
1305 | int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, | |
5fc3aeeb | 1306 | enum amd_ip_block_type type, |
d38ceaf9 AD |
1307 | u32 major, u32 minor) |
1308 | { | |
a1255107 | 1309 | struct amdgpu_ip_block *ip_block = amdgpu_get_ip_block(adev, type); |
d38ceaf9 | 1310 | |
a1255107 AD |
1311 | if (ip_block && ((ip_block->version->major > major) || |
1312 | ((ip_block->version->major == major) && | |
1313 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1314 | return 0; |
1315 | ||
1316 | return 1; | |
1317 | } | |
1318 | ||
a1255107 AD |
1319 | /** |
1320 | * amdgpu_ip_block_add | |
1321 | * | |
1322 | * @adev: amdgpu_device pointer | |
1323 | * @ip_block_version: pointer to the IP to add | |
1324 | * | |
1325 | * Adds the IP block driver information to the collection of IPs | |
1326 | * on the asic. | |
1327 | */ | |
1328 | int amdgpu_ip_block_add(struct amdgpu_device *adev, | |
1329 | const struct amdgpu_ip_block_version *ip_block_version) | |
1330 | { | |
1331 | if (!ip_block_version) | |
1332 | return -EINVAL; | |
1333 | ||
a0bae357 HR |
1334 | DRM_DEBUG("add ip block number %d <%s>\n", adev->num_ip_blocks, |
1335 | ip_block_version->funcs->name); | |
1336 | ||
a1255107 AD |
1337 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1338 | ||
1339 | return 0; | |
1340 | } | |
1341 | ||
483ef985 | 1342 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1343 | { |
1344 | adev->enable_virtual_display = false; | |
1345 | ||
1346 | if (amdgpu_virtual_display) { | |
1347 | struct drm_device *ddev = adev->ddev; | |
1348 | const char *pci_address_name = pci_name(ddev->pdev); | |
0f66356d | 1349 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1350 | |
1351 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1352 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1353 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1354 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1355 | if (!strcmp("all", pciaddname) |
1356 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1357 | long num_crtc; |
1358 | int res = -1; | |
1359 | ||
9accf2fd | 1360 | adev->enable_virtual_display = true; |
0f66356d ED |
1361 | |
1362 | if (pciaddname_tmp) | |
1363 | res = kstrtol(pciaddname_tmp, 10, | |
1364 | &num_crtc); | |
1365 | ||
1366 | if (!res) { | |
1367 | if (num_crtc < 1) | |
1368 | num_crtc = 1; | |
1369 | if (num_crtc > 6) | |
1370 | num_crtc = 6; | |
1371 | adev->mode_info.num_crtc = num_crtc; | |
1372 | } else { | |
1373 | adev->mode_info.num_crtc = 1; | |
1374 | } | |
9accf2fd ED |
1375 | break; |
1376 | } | |
1377 | } | |
1378 | ||
0f66356d ED |
1379 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1380 | amdgpu_virtual_display, pci_address_name, | |
1381 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1382 | |
1383 | kfree(pciaddstr); | |
1384 | } | |
1385 | } | |
1386 | ||
e2a75f88 AD |
1387 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1388 | { | |
e2a75f88 AD |
1389 | const char *chip_name; |
1390 | char fw_name[30]; | |
1391 | int err; | |
1392 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1393 | ||
ab4fe3e1 HR |
1394 | adev->firmware.gpu_info_fw = NULL; |
1395 | ||
e2a75f88 AD |
1396 | switch (adev->asic_type) { |
1397 | case CHIP_TOPAZ: | |
1398 | case CHIP_TONGA: | |
1399 | case CHIP_FIJI: | |
1400 | case CHIP_POLARIS11: | |
1401 | case CHIP_POLARIS10: | |
1402 | case CHIP_POLARIS12: | |
1403 | case CHIP_CARRIZO: | |
1404 | case CHIP_STONEY: | |
1405 | #ifdef CONFIG_DRM_AMDGPU_SI | |
1406 | case CHIP_VERDE: | |
1407 | case CHIP_TAHITI: | |
1408 | case CHIP_PITCAIRN: | |
1409 | case CHIP_OLAND: | |
1410 | case CHIP_HAINAN: | |
1411 | #endif | |
1412 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
1413 | case CHIP_BONAIRE: | |
1414 | case CHIP_HAWAII: | |
1415 | case CHIP_KAVERI: | |
1416 | case CHIP_KABINI: | |
1417 | case CHIP_MULLINS: | |
1418 | #endif | |
1419 | default: | |
1420 | return 0; | |
1421 | case CHIP_VEGA10: | |
1422 | chip_name = "vega10"; | |
1423 | break; | |
2d2e5e7e AD |
1424 | case CHIP_RAVEN: |
1425 | chip_name = "raven"; | |
1426 | break; | |
e2a75f88 AD |
1427 | } |
1428 | ||
1429 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1430 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1431 | if (err) { |
1432 | dev_err(adev->dev, | |
1433 | "Failed to load gpu_info firmware \"%s\"\n", | |
1434 | fw_name); | |
1435 | goto out; | |
1436 | } | |
ab4fe3e1 | 1437 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1438 | if (err) { |
1439 | dev_err(adev->dev, | |
1440 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1441 | fw_name); | |
1442 | goto out; | |
1443 | } | |
1444 | ||
ab4fe3e1 | 1445 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
1446 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
1447 | ||
1448 | switch (hdr->version_major) { | |
1449 | case 1: | |
1450 | { | |
1451 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 1452 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
1453 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
1454 | ||
b5ab16bf AD |
1455 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
1456 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
1457 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
1458 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 1459 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
1460 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
1461 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
1462 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
1463 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
1464 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 1465 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
1466 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
1467 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
1468 | adev->gfx.cu_info.max_waves_per_simd = |
1469 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
1470 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
1471 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
1472 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
e2a75f88 AD |
1473 | break; |
1474 | } | |
1475 | default: | |
1476 | dev_err(adev->dev, | |
1477 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
1478 | err = -EINVAL; | |
1479 | goto out; | |
1480 | } | |
1481 | out: | |
e2a75f88 AD |
1482 | return err; |
1483 | } | |
1484 | ||
d38ceaf9 AD |
1485 | static int amdgpu_early_init(struct amdgpu_device *adev) |
1486 | { | |
aaa36a97 | 1487 | int i, r; |
d38ceaf9 | 1488 | |
483ef985 | 1489 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 1490 | |
d38ceaf9 | 1491 | switch (adev->asic_type) { |
aaa36a97 AD |
1492 | case CHIP_TOPAZ: |
1493 | case CHIP_TONGA: | |
48299f95 | 1494 | case CHIP_FIJI: |
2cc0c0b5 FC |
1495 | case CHIP_POLARIS11: |
1496 | case CHIP_POLARIS10: | |
c4642a47 | 1497 | case CHIP_POLARIS12: |
aaa36a97 | 1498 | case CHIP_CARRIZO: |
39bb0c92 SL |
1499 | case CHIP_STONEY: |
1500 | if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) | |
aaa36a97 AD |
1501 | adev->family = AMDGPU_FAMILY_CZ; |
1502 | else | |
1503 | adev->family = AMDGPU_FAMILY_VI; | |
1504 | ||
1505 | r = vi_set_ip_blocks(adev); | |
1506 | if (r) | |
1507 | return r; | |
1508 | break; | |
33f34802 KW |
1509 | #ifdef CONFIG_DRM_AMDGPU_SI |
1510 | case CHIP_VERDE: | |
1511 | case CHIP_TAHITI: | |
1512 | case CHIP_PITCAIRN: | |
1513 | case CHIP_OLAND: | |
1514 | case CHIP_HAINAN: | |
295d0daf | 1515 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
1516 | r = si_set_ip_blocks(adev); |
1517 | if (r) | |
1518 | return r; | |
1519 | break; | |
1520 | #endif | |
a2e73f56 AD |
1521 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1522 | case CHIP_BONAIRE: | |
1523 | case CHIP_HAWAII: | |
1524 | case CHIP_KAVERI: | |
1525 | case CHIP_KABINI: | |
1526 | case CHIP_MULLINS: | |
1527 | if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII)) | |
1528 | adev->family = AMDGPU_FAMILY_CI; | |
1529 | else | |
1530 | adev->family = AMDGPU_FAMILY_KV; | |
1531 | ||
1532 | r = cik_set_ip_blocks(adev); | |
1533 | if (r) | |
1534 | return r; | |
1535 | break; | |
1536 | #endif | |
2ca8a5d2 CZ |
1537 | case CHIP_VEGA10: |
1538 | case CHIP_RAVEN: | |
1539 | if (adev->asic_type == CHIP_RAVEN) | |
1540 | adev->family = AMDGPU_FAMILY_RV; | |
1541 | else | |
1542 | adev->family = AMDGPU_FAMILY_AI; | |
460826e6 KW |
1543 | |
1544 | r = soc15_set_ip_blocks(adev); | |
1545 | if (r) | |
1546 | return r; | |
1547 | break; | |
d38ceaf9 AD |
1548 | default: |
1549 | /* FIXME: not supported yet */ | |
1550 | return -EINVAL; | |
1551 | } | |
1552 | ||
e2a75f88 AD |
1553 | r = amdgpu_device_parse_gpu_info_fw(adev); |
1554 | if (r) | |
1555 | return r; | |
1556 | ||
3149d9da XY |
1557 | if (amdgpu_sriov_vf(adev)) { |
1558 | r = amdgpu_virt_request_full_gpu(adev, true); | |
1559 | if (r) | |
1560 | return r; | |
1561 | } | |
1562 | ||
d38ceaf9 AD |
1563 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1564 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
1565 | DRM_ERROR("disabled ip block: %d <%s>\n", |
1566 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 1567 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 1568 | } else { |
a1255107 AD |
1569 | if (adev->ip_blocks[i].version->funcs->early_init) { |
1570 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 1571 | if (r == -ENOENT) { |
a1255107 | 1572 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 1573 | } else if (r) { |
a1255107 AD |
1574 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
1575 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1576 | return r; |
2c1a2784 | 1577 | } else { |
a1255107 | 1578 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 1579 | } |
974e6b64 | 1580 | } else { |
a1255107 | 1581 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 1582 | } |
d38ceaf9 AD |
1583 | } |
1584 | } | |
1585 | ||
395d1fb9 NH |
1586 | adev->cg_flags &= amdgpu_cg_mask; |
1587 | adev->pg_flags &= amdgpu_pg_mask; | |
1588 | ||
d38ceaf9 AD |
1589 | return 0; |
1590 | } | |
1591 | ||
1592 | static int amdgpu_init(struct amdgpu_device *adev) | |
1593 | { | |
1594 | int i, r; | |
1595 | ||
1596 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1597 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1598 | continue; |
a1255107 | 1599 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 1600 | if (r) { |
a1255107 AD |
1601 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
1602 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1603 | return r; |
2c1a2784 | 1604 | } |
a1255107 | 1605 | adev->ip_blocks[i].status.sw = true; |
d38ceaf9 | 1606 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 1607 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 | 1608 | r = amdgpu_vram_scratch_init(adev); |
2c1a2784 AD |
1609 | if (r) { |
1610 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
d38ceaf9 | 1611 | return r; |
2c1a2784 | 1612 | } |
a1255107 | 1613 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
1614 | if (r) { |
1615 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
d38ceaf9 | 1616 | return r; |
2c1a2784 | 1617 | } |
d38ceaf9 | 1618 | r = amdgpu_wb_init(adev); |
2c1a2784 AD |
1619 | if (r) { |
1620 | DRM_ERROR("amdgpu_wb_init failed %d\n", r); | |
d38ceaf9 | 1621 | return r; |
2c1a2784 | 1622 | } |
a1255107 | 1623 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
1624 | |
1625 | /* right after GMC hw init, we create CSA */ | |
1626 | if (amdgpu_sriov_vf(adev)) { | |
1627 | r = amdgpu_allocate_static_csa(adev); | |
1628 | if (r) { | |
1629 | DRM_ERROR("allocate CSA failed %d\n", r); | |
1630 | return r; | |
1631 | } | |
1632 | } | |
d38ceaf9 AD |
1633 | } |
1634 | } | |
1635 | ||
1636 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1637 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 AD |
1638 | continue; |
1639 | /* gmc hw init is done early */ | |
a1255107 | 1640 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) |
d38ceaf9 | 1641 | continue; |
a1255107 | 1642 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 | 1643 | if (r) { |
a1255107 AD |
1644 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", |
1645 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1646 | return r; |
2c1a2784 | 1647 | } |
a1255107 | 1648 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
1649 | } |
1650 | ||
1651 | return 0; | |
1652 | } | |
1653 | ||
0c49e0b8 CZ |
1654 | static void amdgpu_fill_reset_magic(struct amdgpu_device *adev) |
1655 | { | |
1656 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
1657 | } | |
1658 | ||
1659 | static bool amdgpu_check_vram_lost(struct amdgpu_device *adev) | |
1660 | { | |
1661 | return !!memcmp(adev->gart.ptr, adev->reset_magic, | |
1662 | AMDGPU_RESET_MAGIC_NUM); | |
1663 | } | |
1664 | ||
2dc80b00 | 1665 | static int amdgpu_late_set_cg_state(struct amdgpu_device *adev) |
d38ceaf9 AD |
1666 | { |
1667 | int i = 0, r; | |
1668 | ||
1669 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1670 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1671 | continue; |
4a446d55 | 1672 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 AD |
1673 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
1674 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) { | |
4a446d55 | 1675 | /* enable clockgating to save power */ |
a1255107 AD |
1676 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1677 | AMD_CG_STATE_GATE); | |
4a446d55 AD |
1678 | if (r) { |
1679 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 1680 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
1681 | return r; |
1682 | } | |
b0b00ff1 | 1683 | } |
d38ceaf9 | 1684 | } |
2dc80b00 S |
1685 | return 0; |
1686 | } | |
1687 | ||
1688 | static int amdgpu_late_init(struct amdgpu_device *adev) | |
1689 | { | |
1690 | int i = 0, r; | |
1691 | ||
1692 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1693 | if (!adev->ip_blocks[i].status.valid) | |
1694 | continue; | |
1695 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
1696 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
1697 | if (r) { | |
1698 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
1699 | adev->ip_blocks[i].version->funcs->name, r); | |
1700 | return r; | |
1701 | } | |
1702 | adev->ip_blocks[i].status.late_initialized = true; | |
1703 | } | |
1704 | } | |
1705 | ||
1706 | mod_delayed_work(system_wq, &adev->late_init_work, | |
1707 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
d38ceaf9 | 1708 | |
0c49e0b8 | 1709 | amdgpu_fill_reset_magic(adev); |
d38ceaf9 AD |
1710 | |
1711 | return 0; | |
1712 | } | |
1713 | ||
1714 | static int amdgpu_fini(struct amdgpu_device *adev) | |
1715 | { | |
1716 | int i, r; | |
1717 | ||
3e96dbfd AD |
1718 | /* need to disable SMC first */ |
1719 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1720 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 1721 | continue; |
a1255107 | 1722 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
3e96dbfd | 1723 | /* ungate blocks before hw fini so that we can shutdown the blocks safely */ |
a1255107 AD |
1724 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1725 | AMD_CG_STATE_UNGATE); | |
3e96dbfd AD |
1726 | if (r) { |
1727 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", | |
a1255107 | 1728 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd AD |
1729 | return r; |
1730 | } | |
a1255107 | 1731 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
1732 | /* XXX handle errors */ |
1733 | if (r) { | |
1734 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 1735 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 1736 | } |
a1255107 | 1737 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
1738 | break; |
1739 | } | |
1740 | } | |
1741 | ||
d38ceaf9 | 1742 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1743 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 1744 | continue; |
a1255107 | 1745 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 AD |
1746 | amdgpu_wb_fini(adev); |
1747 | amdgpu_vram_scratch_fini(adev); | |
1748 | } | |
8201a67a RZ |
1749 | |
1750 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
1751 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) { | |
1752 | /* ungate blocks before hw fini so that we can shutdown the blocks safely */ | |
1753 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, | |
1754 | AMD_CG_STATE_UNGATE); | |
1755 | if (r) { | |
1756 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", | |
1757 | adev->ip_blocks[i].version->funcs->name, r); | |
1758 | return r; | |
1759 | } | |
2c1a2784 | 1760 | } |
8201a67a | 1761 | |
a1255107 | 1762 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 1763 | /* XXX handle errors */ |
2c1a2784 | 1764 | if (r) { |
a1255107 AD |
1765 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
1766 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1767 | } |
8201a67a | 1768 | |
a1255107 | 1769 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
1770 | } |
1771 | ||
1772 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
a1255107 | 1773 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 1774 | continue; |
a1255107 | 1775 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 1776 | /* XXX handle errors */ |
2c1a2784 | 1777 | if (r) { |
a1255107 AD |
1778 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
1779 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1780 | } |
a1255107 AD |
1781 | adev->ip_blocks[i].status.sw = false; |
1782 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
1783 | } |
1784 | ||
a6dcfd9c | 1785 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1786 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 1787 | continue; |
a1255107 AD |
1788 | if (adev->ip_blocks[i].version->funcs->late_fini) |
1789 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
1790 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
1791 | } |
1792 | ||
030308fc | 1793 | if (amdgpu_sriov_vf(adev)) |
3149d9da | 1794 | amdgpu_virt_release_full_gpu(adev, false); |
2493664f | 1795 | |
d38ceaf9 AD |
1796 | return 0; |
1797 | } | |
1798 | ||
2dc80b00 S |
1799 | static void amdgpu_late_init_func_handler(struct work_struct *work) |
1800 | { | |
1801 | struct amdgpu_device *adev = | |
1802 | container_of(work, struct amdgpu_device, late_init_work.work); | |
1803 | amdgpu_late_set_cg_state(adev); | |
1804 | } | |
1805 | ||
faefba95 | 1806 | int amdgpu_suspend(struct amdgpu_device *adev) |
d38ceaf9 AD |
1807 | { |
1808 | int i, r; | |
1809 | ||
e941ea99 XY |
1810 | if (amdgpu_sriov_vf(adev)) |
1811 | amdgpu_virt_request_full_gpu(adev, false); | |
1812 | ||
c5a93a28 FC |
1813 | /* ungate SMC block first */ |
1814 | r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, | |
1815 | AMD_CG_STATE_UNGATE); | |
1816 | if (r) { | |
1817 | DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n",r); | |
1818 | } | |
1819 | ||
d38ceaf9 | 1820 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1821 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 AD |
1822 | continue; |
1823 | /* ungate blocks so that suspend can properly shut them down */ | |
c5a93a28 | 1824 | if (i != AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 AD |
1825 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1826 | AMD_CG_STATE_UNGATE); | |
c5a93a28 | 1827 | if (r) { |
a1255107 AD |
1828 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", |
1829 | adev->ip_blocks[i].version->funcs->name, r); | |
c5a93a28 | 1830 | } |
2c1a2784 | 1831 | } |
d38ceaf9 | 1832 | /* XXX handle errors */ |
a1255107 | 1833 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 1834 | /* XXX handle errors */ |
2c1a2784 | 1835 | if (r) { |
a1255107 AD |
1836 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
1837 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1838 | } |
d38ceaf9 AD |
1839 | } |
1840 | ||
e941ea99 XY |
1841 | if (amdgpu_sriov_vf(adev)) |
1842 | amdgpu_virt_release_full_gpu(adev, false); | |
1843 | ||
d38ceaf9 AD |
1844 | return 0; |
1845 | } | |
1846 | ||
e4f0fdcc | 1847 | static int amdgpu_sriov_reinit_early(struct amdgpu_device *adev) |
a90ad3c2 ML |
1848 | { |
1849 | int i, r; | |
1850 | ||
2cb681b6 ML |
1851 | static enum amd_ip_block_type ip_order[] = { |
1852 | AMD_IP_BLOCK_TYPE_GMC, | |
1853 | AMD_IP_BLOCK_TYPE_COMMON, | |
2cb681b6 ML |
1854 | AMD_IP_BLOCK_TYPE_IH, |
1855 | }; | |
a90ad3c2 | 1856 | |
2cb681b6 ML |
1857 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
1858 | int j; | |
1859 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 1860 | |
2cb681b6 ML |
1861 | for (j = 0; j < adev->num_ip_blocks; j++) { |
1862 | block = &adev->ip_blocks[j]; | |
1863 | ||
1864 | if (block->version->type != ip_order[i] || | |
1865 | !block->status.valid) | |
1866 | continue; | |
1867 | ||
1868 | r = block->version->funcs->hw_init(adev); | |
1869 | DRM_INFO("RE-INIT: %s %s\n", block->version->funcs->name, r?"failed":"successed"); | |
a90ad3c2 ML |
1870 | } |
1871 | } | |
1872 | ||
1873 | return 0; | |
1874 | } | |
1875 | ||
e4f0fdcc | 1876 | static int amdgpu_sriov_reinit_late(struct amdgpu_device *adev) |
a90ad3c2 ML |
1877 | { |
1878 | int i, r; | |
1879 | ||
2cb681b6 ML |
1880 | static enum amd_ip_block_type ip_order[] = { |
1881 | AMD_IP_BLOCK_TYPE_SMC, | |
1882 | AMD_IP_BLOCK_TYPE_DCE, | |
1883 | AMD_IP_BLOCK_TYPE_GFX, | |
1884 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c FM |
1885 | AMD_IP_BLOCK_TYPE_UVD, |
1886 | AMD_IP_BLOCK_TYPE_VCE | |
2cb681b6 | 1887 | }; |
a90ad3c2 | 1888 | |
2cb681b6 ML |
1889 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
1890 | int j; | |
1891 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 1892 | |
2cb681b6 ML |
1893 | for (j = 0; j < adev->num_ip_blocks; j++) { |
1894 | block = &adev->ip_blocks[j]; | |
1895 | ||
1896 | if (block->version->type != ip_order[i] || | |
1897 | !block->status.valid) | |
1898 | continue; | |
1899 | ||
1900 | r = block->version->funcs->hw_init(adev); | |
1901 | DRM_INFO("RE-INIT: %s %s\n", block->version->funcs->name, r?"failed":"successed"); | |
a90ad3c2 ML |
1902 | } |
1903 | } | |
1904 | ||
1905 | return 0; | |
1906 | } | |
1907 | ||
fcf0649f | 1908 | static int amdgpu_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
1909 | { |
1910 | int i, r; | |
1911 | ||
a90ad3c2 ML |
1912 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1913 | if (!adev->ip_blocks[i].status.valid) | |
1914 | continue; | |
a90ad3c2 ML |
1915 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
1916 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
fcf0649f CZ |
1917 | adev->ip_blocks[i].version->type == |
1918 | AMD_IP_BLOCK_TYPE_IH) { | |
1919 | r = adev->ip_blocks[i].version->funcs->resume(adev); | |
1920 | if (r) { | |
1921 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
1922 | adev->ip_blocks[i].version->funcs->name, r); | |
1923 | return r; | |
1924 | } | |
a90ad3c2 ML |
1925 | } |
1926 | } | |
1927 | ||
1928 | return 0; | |
1929 | } | |
1930 | ||
fcf0649f | 1931 | static int amdgpu_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
1932 | { |
1933 | int i, r; | |
1934 | ||
1935 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1936 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1937 | continue; |
fcf0649f CZ |
1938 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
1939 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
1940 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ) | |
1941 | continue; | |
a1255107 | 1942 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 1943 | if (r) { |
a1255107 AD |
1944 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
1945 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1946 | return r; |
2c1a2784 | 1947 | } |
d38ceaf9 AD |
1948 | } |
1949 | ||
1950 | return 0; | |
1951 | } | |
1952 | ||
fcf0649f CZ |
1953 | static int amdgpu_resume(struct amdgpu_device *adev) |
1954 | { | |
1955 | int r; | |
1956 | ||
1957 | r = amdgpu_resume_phase1(adev); | |
1958 | if (r) | |
1959 | return r; | |
1960 | r = amdgpu_resume_phase2(adev); | |
1961 | ||
1962 | return r; | |
1963 | } | |
1964 | ||
4e99a44e | 1965 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 1966 | { |
a5bde2f9 AD |
1967 | if (adev->is_atom_fw) { |
1968 | if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) | |
1969 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
1970 | } else { | |
1971 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
1972 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
1973 | } | |
048765ad AR |
1974 | } |
1975 | ||
d38ceaf9 AD |
1976 | /** |
1977 | * amdgpu_device_init - initialize the driver | |
1978 | * | |
1979 | * @adev: amdgpu_device pointer | |
1980 | * @pdev: drm dev pointer | |
1981 | * @pdev: pci dev pointer | |
1982 | * @flags: driver flags | |
1983 | * | |
1984 | * Initializes the driver info and hw (all asics). | |
1985 | * Returns 0 for success or an error on failure. | |
1986 | * Called at driver startup. | |
1987 | */ | |
1988 | int amdgpu_device_init(struct amdgpu_device *adev, | |
1989 | struct drm_device *ddev, | |
1990 | struct pci_dev *pdev, | |
1991 | uint32_t flags) | |
1992 | { | |
1993 | int r, i; | |
1994 | bool runtime = false; | |
95844d20 | 1995 | u32 max_MBps; |
d38ceaf9 AD |
1996 | |
1997 | adev->shutdown = false; | |
1998 | adev->dev = &pdev->dev; | |
1999 | adev->ddev = ddev; | |
2000 | adev->pdev = pdev; | |
2001 | adev->flags = flags; | |
2f7d10b3 | 2002 | adev->asic_type = flags & AMD_ASIC_MASK; |
d38ceaf9 | 2003 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
6f02a696 | 2004 | adev->mc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
2005 | adev->accel_working = false; |
2006 | adev->num_rings = 0; | |
2007 | adev->mman.buffer_funcs = NULL; | |
2008 | adev->mman.buffer_funcs_ring = NULL; | |
2009 | adev->vm_manager.vm_pte_funcs = NULL; | |
2d55e45a | 2010 | adev->vm_manager.vm_pte_num_rings = 0; |
d38ceaf9 | 2011 | adev->gart.gart_funcs = NULL; |
f54d1867 | 2012 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
d38ceaf9 AD |
2013 | |
2014 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
2015 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
2016 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
2017 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
2018 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
2019 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
2020 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
2021 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
2022 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
2023 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
2024 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
2025 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
2026 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
2027 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
2028 | ||
ccdbb20a | 2029 | |
3e39ab90 AD |
2030 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
2031 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
2032 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
2033 | |
2034 | /* mutex initialization are all done here so we | |
2035 | * can recall function without having locking issues */ | |
d38ceaf9 | 2036 | atomic_set(&adev->irq.ih.lock, 0); |
0e5ca0d1 | 2037 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
2038 | mutex_init(&adev->pm.mutex); |
2039 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
2040 | mutex_init(&adev->srbm_mutex); | |
2041 | mutex_init(&adev->grbm_idx_mutex); | |
d38ceaf9 AD |
2042 | mutex_init(&adev->mn_lock); |
2043 | hash_init(adev->mn_hash); | |
2044 | ||
2045 | amdgpu_check_arguments(adev); | |
2046 | ||
d38ceaf9 AD |
2047 | spin_lock_init(&adev->mmio_idx_lock); |
2048 | spin_lock_init(&adev->smc_idx_lock); | |
2049 | spin_lock_init(&adev->pcie_idx_lock); | |
2050 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
2051 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 2052 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 2053 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 2054 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 2055 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 2056 | |
0c4e7fa5 CZ |
2057 | INIT_LIST_HEAD(&adev->shadow_list); |
2058 | mutex_init(&adev->shadow_list_lock); | |
2059 | ||
5c1354bd CZ |
2060 | INIT_LIST_HEAD(&adev->gtt_list); |
2061 | spin_lock_init(&adev->gtt_list_lock); | |
2062 | ||
795f2813 AR |
2063 | INIT_LIST_HEAD(&adev->ring_lru_list); |
2064 | spin_lock_init(&adev->ring_lru_list_lock); | |
2065 | ||
2dc80b00 S |
2066 | INIT_DELAYED_WORK(&adev->late_init_work, amdgpu_late_init_func_handler); |
2067 | ||
0fa49558 AX |
2068 | /* Registers mapping */ |
2069 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
2070 | if (adev->asic_type >= CHIP_BONAIRE) { |
2071 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
2072 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
2073 | } else { | |
2074 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
2075 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
2076 | } | |
d38ceaf9 | 2077 | |
d38ceaf9 AD |
2078 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
2079 | if (adev->rmmio == NULL) { | |
2080 | return -ENOMEM; | |
2081 | } | |
2082 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
2083 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
2084 | ||
705e519e CK |
2085 | /* doorbell bar mapping */ |
2086 | amdgpu_doorbell_init(adev); | |
d38ceaf9 AD |
2087 | |
2088 | /* io port mapping */ | |
2089 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
2090 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
2091 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
2092 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
2093 | break; | |
2094 | } | |
2095 | } | |
2096 | if (adev->rio_mem == NULL) | |
b64a18c5 | 2097 | DRM_INFO("PCI I/O BAR is not found.\n"); |
d38ceaf9 AD |
2098 | |
2099 | /* early init functions */ | |
2100 | r = amdgpu_early_init(adev); | |
2101 | if (r) | |
2102 | return r; | |
2103 | ||
2104 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ | |
2105 | /* this will fail for cards that aren't VGA class devices, just | |
2106 | * ignore it */ | |
2107 | vga_client_register(adev->pdev, adev, NULL, amdgpu_vga_set_decode); | |
2108 | ||
2109 | if (amdgpu_runtime_pm == 1) | |
2110 | runtime = true; | |
e9bef455 | 2111 | if (amdgpu_device_is_px(ddev)) |
d38ceaf9 | 2112 | runtime = true; |
84c8b22e LW |
2113 | if (!pci_is_thunderbolt_attached(adev->pdev)) |
2114 | vga_switcheroo_register_client(adev->pdev, | |
2115 | &amdgpu_switcheroo_ops, runtime); | |
d38ceaf9 AD |
2116 | if (runtime) |
2117 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); | |
2118 | ||
2119 | /* Read BIOS */ | |
83ba126a AD |
2120 | if (!amdgpu_get_bios(adev)) { |
2121 | r = -EINVAL; | |
2122 | goto failed; | |
2123 | } | |
f7e9e9fe | 2124 | |
d38ceaf9 | 2125 | r = amdgpu_atombios_init(adev); |
2c1a2784 AD |
2126 | if (r) { |
2127 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
89041940 | 2128 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); |
83ba126a | 2129 | goto failed; |
2c1a2784 | 2130 | } |
d38ceaf9 | 2131 | |
4e99a44e ML |
2132 | /* detect if we are with an SRIOV vbios */ |
2133 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 2134 | |
d38ceaf9 | 2135 | /* Post card if necessary */ |
bec86378 | 2136 | if (amdgpu_vpost_needed(adev)) { |
d38ceaf9 | 2137 | if (!adev->bios) { |
bec86378 | 2138 | dev_err(adev->dev, "no vBIOS found\n"); |
89041940 | 2139 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); |
83ba126a AD |
2140 | r = -EINVAL; |
2141 | goto failed; | |
d38ceaf9 | 2142 | } |
bec86378 | 2143 | DRM_INFO("GPU posting now...\n"); |
4e99a44e ML |
2144 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
2145 | if (r) { | |
2146 | dev_err(adev->dev, "gpu post error!\n"); | |
89041940 | 2147 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_GPU_POST_ERROR, 0, 0); |
4e99a44e ML |
2148 | goto failed; |
2149 | } | |
2150 | } else { | |
2151 | DRM_INFO("GPU post is not needed\n"); | |
d38ceaf9 AD |
2152 | } |
2153 | ||
88b64e95 AD |
2154 | if (adev->is_atom_fw) { |
2155 | /* Initialize clocks */ | |
2156 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
2157 | if (r) { | |
2158 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
2159 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); | |
2160 | goto failed; | |
2161 | } | |
2162 | } else { | |
a5bde2f9 AD |
2163 | /* Initialize clocks */ |
2164 | r = amdgpu_atombios_get_clock_info(adev); | |
2165 | if (r) { | |
2166 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
89041940 GW |
2167 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
2168 | goto failed; | |
a5bde2f9 AD |
2169 | } |
2170 | /* init i2c buses */ | |
2171 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 2172 | } |
d38ceaf9 AD |
2173 | |
2174 | /* Fence driver */ | |
2175 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
2176 | if (r) { |
2177 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
89041940 | 2178 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 2179 | goto failed; |
2c1a2784 | 2180 | } |
d38ceaf9 AD |
2181 | |
2182 | /* init the mode config */ | |
2183 | drm_mode_config_init(adev->ddev); | |
2184 | ||
2185 | r = amdgpu_init(adev); | |
2186 | if (r) { | |
2c1a2784 | 2187 | dev_err(adev->dev, "amdgpu_init failed\n"); |
89041940 | 2188 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
d38ceaf9 | 2189 | amdgpu_fini(adev); |
83ba126a | 2190 | goto failed; |
d38ceaf9 AD |
2191 | } |
2192 | ||
2193 | adev->accel_working = true; | |
2194 | ||
e59c0205 AX |
2195 | amdgpu_vm_check_compute_bug(adev); |
2196 | ||
95844d20 MO |
2197 | /* Initialize the buffer migration limit. */ |
2198 | if (amdgpu_moverate >= 0) | |
2199 | max_MBps = amdgpu_moverate; | |
2200 | else | |
2201 | max_MBps = 8; /* Allow 8 MB/s. */ | |
2202 | /* Get a log2 for easy divisions. */ | |
2203 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
2204 | ||
d38ceaf9 AD |
2205 | r = amdgpu_ib_pool_init(adev); |
2206 | if (r) { | |
2207 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
89041940 | 2208 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); |
83ba126a | 2209 | goto failed; |
d38ceaf9 AD |
2210 | } |
2211 | ||
2212 | r = amdgpu_ib_ring_tests(adev); | |
2213 | if (r) | |
2214 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2215 | ||
9bc92b9c ML |
2216 | amdgpu_fbdev_init(adev); |
2217 | ||
d38ceaf9 | 2218 | r = amdgpu_gem_debugfs_init(adev); |
3f14e623 | 2219 | if (r) |
d38ceaf9 | 2220 | DRM_ERROR("registering gem debugfs failed (%d).\n", r); |
d38ceaf9 AD |
2221 | |
2222 | r = amdgpu_debugfs_regs_init(adev); | |
3f14e623 | 2223 | if (r) |
d38ceaf9 | 2224 | DRM_ERROR("registering register debugfs failed (%d).\n", r); |
d38ceaf9 | 2225 | |
4f0955fc HR |
2226 | r = amdgpu_debugfs_test_ib_ring_init(adev); |
2227 | if (r) | |
2228 | DRM_ERROR("registering register test ib ring debugfs failed (%d).\n", r); | |
2229 | ||
50ab2533 | 2230 | r = amdgpu_debugfs_firmware_init(adev); |
3f14e623 | 2231 | if (r) |
50ab2533 | 2232 | DRM_ERROR("registering firmware debugfs failed (%d).\n", r); |
50ab2533 | 2233 | |
db95e218 KR |
2234 | r = amdgpu_debugfs_vbios_dump_init(adev); |
2235 | if (r) | |
2236 | DRM_ERROR("Creating vbios dump debugfs failed (%d).\n", r); | |
2237 | ||
d38ceaf9 AD |
2238 | if ((amdgpu_testing & 1)) { |
2239 | if (adev->accel_working) | |
2240 | amdgpu_test_moves(adev); | |
2241 | else | |
2242 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
2243 | } | |
d38ceaf9 AD |
2244 | if (amdgpu_benchmarking) { |
2245 | if (adev->accel_working) | |
2246 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
2247 | else | |
2248 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
2249 | } | |
2250 | ||
2251 | /* enable clockgating, etc. after ib tests, etc. since some blocks require | |
2252 | * explicit gating rather than handling it automatically. | |
2253 | */ | |
2254 | r = amdgpu_late_init(adev); | |
2c1a2784 AD |
2255 | if (r) { |
2256 | dev_err(adev->dev, "amdgpu_late_init failed\n"); | |
89041940 | 2257 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); |
83ba126a | 2258 | goto failed; |
2c1a2784 | 2259 | } |
d38ceaf9 AD |
2260 | |
2261 | return 0; | |
83ba126a AD |
2262 | |
2263 | failed: | |
89041940 | 2264 | amdgpu_vf_error_trans_all(adev); |
83ba126a AD |
2265 | if (runtime) |
2266 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
2267 | return r; | |
d38ceaf9 AD |
2268 | } |
2269 | ||
d38ceaf9 AD |
2270 | /** |
2271 | * amdgpu_device_fini - tear down the driver | |
2272 | * | |
2273 | * @adev: amdgpu_device pointer | |
2274 | * | |
2275 | * Tear down the driver info (all asics). | |
2276 | * Called at driver shutdown. | |
2277 | */ | |
2278 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
2279 | { | |
2280 | int r; | |
2281 | ||
2282 | DRM_INFO("amdgpu: finishing device.\n"); | |
2283 | adev->shutdown = true; | |
db2c2a97 PD |
2284 | if (adev->mode_info.mode_config_initialized) |
2285 | drm_crtc_force_disable_all(adev->ddev); | |
d38ceaf9 AD |
2286 | /* evict vram memory */ |
2287 | amdgpu_bo_evict_vram(adev); | |
2288 | amdgpu_ib_pool_fini(adev); | |
2289 | amdgpu_fence_driver_fini(adev); | |
2290 | amdgpu_fbdev_fini(adev); | |
2291 | r = amdgpu_fini(adev); | |
ab4fe3e1 HR |
2292 | if (adev->firmware.gpu_info_fw) { |
2293 | release_firmware(adev->firmware.gpu_info_fw); | |
2294 | adev->firmware.gpu_info_fw = NULL; | |
2295 | } | |
d38ceaf9 | 2296 | adev->accel_working = false; |
2dc80b00 | 2297 | cancel_delayed_work_sync(&adev->late_init_work); |
d38ceaf9 AD |
2298 | /* free i2c buses */ |
2299 | amdgpu_i2c_fini(adev); | |
2300 | amdgpu_atombios_fini(adev); | |
2301 | kfree(adev->bios); | |
2302 | adev->bios = NULL; | |
84c8b22e LW |
2303 | if (!pci_is_thunderbolt_attached(adev->pdev)) |
2304 | vga_switcheroo_unregister_client(adev->pdev); | |
83ba126a AD |
2305 | if (adev->flags & AMD_IS_PX) |
2306 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
d38ceaf9 AD |
2307 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
2308 | if (adev->rio_mem) | |
2309 | pci_iounmap(adev->pdev, adev->rio_mem); | |
2310 | adev->rio_mem = NULL; | |
2311 | iounmap(adev->rmmio); | |
2312 | adev->rmmio = NULL; | |
705e519e | 2313 | amdgpu_doorbell_fini(adev); |
d38ceaf9 | 2314 | amdgpu_debugfs_regs_cleanup(adev); |
d38ceaf9 AD |
2315 | } |
2316 | ||
2317 | ||
2318 | /* | |
2319 | * Suspend & resume. | |
2320 | */ | |
2321 | /** | |
810ddc3a | 2322 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 AD |
2323 | * |
2324 | * @pdev: drm dev pointer | |
2325 | * @state: suspend state | |
2326 | * | |
2327 | * Puts the hw in the suspend state (all asics). | |
2328 | * Returns 0 for success or an error on failure. | |
2329 | * Called at driver suspend. | |
2330 | */ | |
810ddc3a | 2331 | int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) |
d38ceaf9 AD |
2332 | { |
2333 | struct amdgpu_device *adev; | |
2334 | struct drm_crtc *crtc; | |
2335 | struct drm_connector *connector; | |
5ceb54c6 | 2336 | int r; |
d38ceaf9 AD |
2337 | |
2338 | if (dev == NULL || dev->dev_private == NULL) { | |
2339 | return -ENODEV; | |
2340 | } | |
2341 | ||
2342 | adev = dev->dev_private; | |
2343 | ||
2344 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
2345 | return 0; | |
2346 | ||
2347 | drm_kms_helper_poll_disable(dev); | |
2348 | ||
2349 | /* turn off display hw */ | |
4c7fbc39 | 2350 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
2351 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2352 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
2353 | } | |
4c7fbc39 | 2354 | drm_modeset_unlock_all(dev); |
d38ceaf9 | 2355 | |
ba997709 YZ |
2356 | amdgpu_amdkfd_suspend(adev); |
2357 | ||
756e6880 | 2358 | /* unpin the front buffers and cursors */ |
d38ceaf9 | 2359 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
756e6880 | 2360 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); |
d38ceaf9 AD |
2361 | struct amdgpu_framebuffer *rfb = to_amdgpu_framebuffer(crtc->primary->fb); |
2362 | struct amdgpu_bo *robj; | |
2363 | ||
756e6880 AD |
2364 | if (amdgpu_crtc->cursor_bo) { |
2365 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
7a6901d7 | 2366 | r = amdgpu_bo_reserve(aobj, true); |
756e6880 AD |
2367 | if (r == 0) { |
2368 | amdgpu_bo_unpin(aobj); | |
2369 | amdgpu_bo_unreserve(aobj); | |
2370 | } | |
2371 | } | |
2372 | ||
d38ceaf9 AD |
2373 | if (rfb == NULL || rfb->obj == NULL) { |
2374 | continue; | |
2375 | } | |
2376 | robj = gem_to_amdgpu_bo(rfb->obj); | |
2377 | /* don't unpin kernel fb objects */ | |
2378 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
7a6901d7 | 2379 | r = amdgpu_bo_reserve(robj, true); |
d38ceaf9 AD |
2380 | if (r == 0) { |
2381 | amdgpu_bo_unpin(robj); | |
2382 | amdgpu_bo_unreserve(robj); | |
2383 | } | |
2384 | } | |
2385 | } | |
2386 | /* evict vram memory */ | |
2387 | amdgpu_bo_evict_vram(adev); | |
2388 | ||
5ceb54c6 | 2389 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 AD |
2390 | |
2391 | r = amdgpu_suspend(adev); | |
2392 | ||
a0a71e49 AD |
2393 | /* evict remaining vram memory |
2394 | * This second call to evict vram is to evict the gart page table | |
2395 | * using the CPU. | |
2396 | */ | |
d38ceaf9 AD |
2397 | amdgpu_bo_evict_vram(adev); |
2398 | ||
d05da0e2 | 2399 | amdgpu_atombios_scratch_regs_save(adev); |
d38ceaf9 AD |
2400 | pci_save_state(dev->pdev); |
2401 | if (suspend) { | |
2402 | /* Shut down the device */ | |
2403 | pci_disable_device(dev->pdev); | |
2404 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
74b0b157 | 2405 | } else { |
2406 | r = amdgpu_asic_reset(adev); | |
2407 | if (r) | |
2408 | DRM_ERROR("amdgpu asic reset failed\n"); | |
d38ceaf9 AD |
2409 | } |
2410 | ||
2411 | if (fbcon) { | |
2412 | console_lock(); | |
2413 | amdgpu_fbdev_set_suspend(adev, 1); | |
2414 | console_unlock(); | |
2415 | } | |
2416 | return 0; | |
2417 | } | |
2418 | ||
2419 | /** | |
810ddc3a | 2420 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 AD |
2421 | * |
2422 | * @pdev: drm dev pointer | |
2423 | * | |
2424 | * Bring the hw back to operating state (all asics). | |
2425 | * Returns 0 for success or an error on failure. | |
2426 | * Called at driver resume. | |
2427 | */ | |
810ddc3a | 2428 | int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) |
d38ceaf9 AD |
2429 | { |
2430 | struct drm_connector *connector; | |
2431 | struct amdgpu_device *adev = dev->dev_private; | |
756e6880 | 2432 | struct drm_crtc *crtc; |
03161a6e | 2433 | int r = 0; |
d38ceaf9 AD |
2434 | |
2435 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
2436 | return 0; | |
2437 | ||
74b0b157 | 2438 | if (fbcon) |
d38ceaf9 | 2439 | console_lock(); |
74b0b157 | 2440 | |
d38ceaf9 AD |
2441 | if (resume) { |
2442 | pci_set_power_state(dev->pdev, PCI_D0); | |
2443 | pci_restore_state(dev->pdev); | |
74b0b157 | 2444 | r = pci_enable_device(dev->pdev); |
03161a6e HR |
2445 | if (r) |
2446 | goto unlock; | |
d38ceaf9 | 2447 | } |
d05da0e2 | 2448 | amdgpu_atombios_scratch_regs_restore(adev); |
d38ceaf9 AD |
2449 | |
2450 | /* post card */ | |
c836fec5 | 2451 | if (amdgpu_need_post(adev)) { |
74b0b157 | 2452 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
2453 | if (r) | |
2454 | DRM_ERROR("amdgpu asic init failed\n"); | |
2455 | } | |
d38ceaf9 AD |
2456 | |
2457 | r = amdgpu_resume(adev); | |
e6707218 | 2458 | if (r) { |
ca198528 | 2459 | DRM_ERROR("amdgpu_resume failed (%d).\n", r); |
03161a6e | 2460 | goto unlock; |
e6707218 | 2461 | } |
5ceb54c6 AD |
2462 | amdgpu_fence_driver_resume(adev); |
2463 | ||
ca198528 FC |
2464 | if (resume) { |
2465 | r = amdgpu_ib_ring_tests(adev); | |
2466 | if (r) | |
2467 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2468 | } | |
d38ceaf9 AD |
2469 | |
2470 | r = amdgpu_late_init(adev); | |
03161a6e HR |
2471 | if (r) |
2472 | goto unlock; | |
d38ceaf9 | 2473 | |
756e6880 AD |
2474 | /* pin cursors */ |
2475 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2476 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
2477 | ||
2478 | if (amdgpu_crtc->cursor_bo) { | |
2479 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
7a6901d7 | 2480 | r = amdgpu_bo_reserve(aobj, true); |
756e6880 AD |
2481 | if (r == 0) { |
2482 | r = amdgpu_bo_pin(aobj, | |
2483 | AMDGPU_GEM_DOMAIN_VRAM, | |
2484 | &amdgpu_crtc->cursor_addr); | |
2485 | if (r != 0) | |
2486 | DRM_ERROR("Failed to pin cursor BO (%d)\n", r); | |
2487 | amdgpu_bo_unreserve(aobj); | |
2488 | } | |
2489 | } | |
2490 | } | |
ba997709 YZ |
2491 | r = amdgpu_amdkfd_resume(adev); |
2492 | if (r) | |
2493 | return r; | |
756e6880 | 2494 | |
d38ceaf9 AD |
2495 | /* blat the mode back in */ |
2496 | if (fbcon) { | |
2497 | drm_helper_resume_force_mode(dev); | |
2498 | /* turn on display hw */ | |
4c7fbc39 | 2499 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
2500 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2501 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); | |
2502 | } | |
4c7fbc39 | 2503 | drm_modeset_unlock_all(dev); |
d38ceaf9 AD |
2504 | } |
2505 | ||
2506 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 L |
2507 | |
2508 | /* | |
2509 | * Most of the connector probing functions try to acquire runtime pm | |
2510 | * refs to ensure that the GPU is powered on when connector polling is | |
2511 | * performed. Since we're calling this from a runtime PM callback, | |
2512 | * trying to acquire rpm refs will cause us to deadlock. | |
2513 | * | |
2514 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
2515 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
2516 | */ | |
2517 | #ifdef CONFIG_PM | |
2518 | dev->dev->power.disable_depth++; | |
2519 | #endif | |
54fb2a5c | 2520 | drm_helper_hpd_irq_event(dev); |
23a1a9e5 L |
2521 | #ifdef CONFIG_PM |
2522 | dev->dev->power.disable_depth--; | |
2523 | #endif | |
d38ceaf9 | 2524 | |
03161a6e | 2525 | if (fbcon) |
d38ceaf9 | 2526 | amdgpu_fbdev_set_suspend(adev, 0); |
03161a6e HR |
2527 | |
2528 | unlock: | |
2529 | if (fbcon) | |
d38ceaf9 | 2530 | console_unlock(); |
d38ceaf9 | 2531 | |
03161a6e | 2532 | return r; |
d38ceaf9 AD |
2533 | } |
2534 | ||
63fbf42f CZ |
2535 | static bool amdgpu_check_soft_reset(struct amdgpu_device *adev) |
2536 | { | |
2537 | int i; | |
2538 | bool asic_hang = false; | |
2539 | ||
2540 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2541 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 2542 | continue; |
a1255107 AD |
2543 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
2544 | adev->ip_blocks[i].status.hang = | |
2545 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
2546 | if (adev->ip_blocks[i].status.hang) { | |
2547 | DRM_INFO("IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); | |
63fbf42f CZ |
2548 | asic_hang = true; |
2549 | } | |
2550 | } | |
2551 | return asic_hang; | |
2552 | } | |
2553 | ||
4d446656 | 2554 | static int amdgpu_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
2555 | { |
2556 | int i, r = 0; | |
2557 | ||
2558 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2559 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 2560 | continue; |
a1255107 AD |
2561 | if (adev->ip_blocks[i].status.hang && |
2562 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
2563 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
2564 | if (r) |
2565 | return r; | |
2566 | } | |
2567 | } | |
2568 | ||
2569 | return 0; | |
2570 | } | |
2571 | ||
35d782fe CZ |
2572 | static bool amdgpu_need_full_reset(struct amdgpu_device *adev) |
2573 | { | |
da146d3b AD |
2574 | int i; |
2575 | ||
2576 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2577 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 2578 | continue; |
a1255107 AD |
2579 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
2580 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
2581 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
2582 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
2583 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 2584 | if (adev->ip_blocks[i].status.hang) { |
da146d3b AD |
2585 | DRM_INFO("Some block need full reset!\n"); |
2586 | return true; | |
2587 | } | |
2588 | } | |
35d782fe CZ |
2589 | } |
2590 | return false; | |
2591 | } | |
2592 | ||
2593 | static int amdgpu_soft_reset(struct amdgpu_device *adev) | |
2594 | { | |
2595 | int i, r = 0; | |
2596 | ||
2597 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2598 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 2599 | continue; |
a1255107 AD |
2600 | if (adev->ip_blocks[i].status.hang && |
2601 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
2602 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
2603 | if (r) |
2604 | return r; | |
2605 | } | |
2606 | } | |
2607 | ||
2608 | return 0; | |
2609 | } | |
2610 | ||
2611 | static int amdgpu_post_soft_reset(struct amdgpu_device *adev) | |
2612 | { | |
2613 | int i, r = 0; | |
2614 | ||
2615 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2616 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 2617 | continue; |
a1255107 AD |
2618 | if (adev->ip_blocks[i].status.hang && |
2619 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
2620 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
2621 | if (r) |
2622 | return r; | |
2623 | } | |
2624 | ||
2625 | return 0; | |
2626 | } | |
2627 | ||
3ad81f16 CZ |
2628 | bool amdgpu_need_backup(struct amdgpu_device *adev) |
2629 | { | |
2630 | if (adev->flags & AMD_IS_APU) | |
2631 | return false; | |
2632 | ||
2633 | return amdgpu_lockup_timeout > 0 ? true : false; | |
2634 | } | |
2635 | ||
53cdccd5 CZ |
2636 | static int amdgpu_recover_vram_from_shadow(struct amdgpu_device *adev, |
2637 | struct amdgpu_ring *ring, | |
2638 | struct amdgpu_bo *bo, | |
f54d1867 | 2639 | struct dma_fence **fence) |
53cdccd5 CZ |
2640 | { |
2641 | uint32_t domain; | |
2642 | int r; | |
2643 | ||
23d2e504 RH |
2644 | if (!bo->shadow) |
2645 | return 0; | |
2646 | ||
1d284797 | 2647 | r = amdgpu_bo_reserve(bo, true); |
23d2e504 RH |
2648 | if (r) |
2649 | return r; | |
2650 | domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); | |
2651 | /* if bo has been evicted, then no need to recover */ | |
2652 | if (domain == AMDGPU_GEM_DOMAIN_VRAM) { | |
82521316 RH |
2653 | r = amdgpu_bo_validate(bo->shadow); |
2654 | if (r) { | |
2655 | DRM_ERROR("bo validate failed!\n"); | |
2656 | goto err; | |
2657 | } | |
2658 | ||
23d2e504 | 2659 | r = amdgpu_bo_restore_from_shadow(adev, ring, bo, |
53cdccd5 | 2660 | NULL, fence, true); |
23d2e504 RH |
2661 | if (r) { |
2662 | DRM_ERROR("recover page table failed!\n"); | |
2663 | goto err; | |
2664 | } | |
2665 | } | |
53cdccd5 | 2666 | err: |
23d2e504 RH |
2667 | amdgpu_bo_unreserve(bo); |
2668 | return r; | |
53cdccd5 CZ |
2669 | } |
2670 | ||
a90ad3c2 ML |
2671 | /** |
2672 | * amdgpu_sriov_gpu_reset - reset the asic | |
2673 | * | |
2674 | * @adev: amdgpu device pointer | |
7225f873 | 2675 | * @job: which job trigger hang |
a90ad3c2 ML |
2676 | * |
2677 | * Attempt the reset the GPU if it has hung (all asics). | |
2678 | * for SRIOV case. | |
2679 | * Returns 0 for success or an error on failure. | |
2680 | */ | |
7225f873 | 2681 | int amdgpu_sriov_gpu_reset(struct amdgpu_device *adev, struct amdgpu_job *job) |
a90ad3c2 | 2682 | { |
65781c78 | 2683 | int i, j, r = 0; |
a90ad3c2 ML |
2684 | int resched; |
2685 | struct amdgpu_bo *bo, *tmp; | |
2686 | struct amdgpu_ring *ring; | |
2687 | struct dma_fence *fence = NULL, *next = NULL; | |
2688 | ||
147b5983 | 2689 | mutex_lock(&adev->virt.lock_reset); |
a90ad3c2 | 2690 | atomic_inc(&adev->gpu_reset_counter); |
3224a12b | 2691 | adev->in_sriov_reset = true; |
a90ad3c2 ML |
2692 | |
2693 | /* block TTM */ | |
2694 | resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); | |
2695 | ||
65781c78 ML |
2696 | /* we start from the ring trigger GPU hang */ |
2697 | j = job ? job->ring->idx : 0; | |
a90ad3c2 | 2698 | |
65781c78 ML |
2699 | /* block scheduler */ |
2700 | for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) { | |
2701 | ring = adev->rings[i % AMDGPU_MAX_RINGS]; | |
a90ad3c2 ML |
2702 | if (!ring || !ring->sched.thread) |
2703 | continue; | |
2704 | ||
2705 | kthread_park(ring->sched.thread); | |
65781c78 ML |
2706 | |
2707 | if (job && j != i) | |
2708 | continue; | |
2709 | ||
4f059ecd | 2710 | /* here give the last chance to check if job removed from mirror-list |
65781c78 | 2711 | * since we already pay some time on kthread_park */ |
4f059ecd | 2712 | if (job && list_empty(&job->base.node)) { |
65781c78 ML |
2713 | kthread_unpark(ring->sched.thread); |
2714 | goto give_up_reset; | |
2715 | } | |
2716 | ||
2717 | if (amd_sched_invalidate_job(&job->base, amdgpu_job_hang_limit)) | |
2718 | amd_sched_job_kickout(&job->base); | |
2719 | ||
2720 | /* only do job_reset on the hang ring if @job not NULL */ | |
a90ad3c2 | 2721 | amd_sched_hw_job_reset(&ring->sched); |
a90ad3c2 | 2722 | |
65781c78 ML |
2723 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
2724 | amdgpu_fence_driver_force_completion_ring(ring); | |
2725 | } | |
a90ad3c2 ML |
2726 | |
2727 | /* request to take full control of GPU before re-initialization */ | |
7225f873 | 2728 | if (job) |
a90ad3c2 ML |
2729 | amdgpu_virt_reset_gpu(adev); |
2730 | else | |
2731 | amdgpu_virt_request_full_gpu(adev, true); | |
2732 | ||
2733 | ||
2734 | /* Resume IP prior to SMC */ | |
e4f0fdcc | 2735 | amdgpu_sriov_reinit_early(adev); |
a90ad3c2 ML |
2736 | |
2737 | /* we need recover gart prior to run SMC/CP/SDMA resume */ | |
2738 | amdgpu_ttm_recover_gart(adev); | |
2739 | ||
2740 | /* now we are okay to resume SMC/CP/SDMA */ | |
e4f0fdcc | 2741 | amdgpu_sriov_reinit_late(adev); |
a90ad3c2 ML |
2742 | |
2743 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
2744 | ||
2745 | if (amdgpu_ib_ring_tests(adev)) | |
2746 | dev_err(adev->dev, "[GPU_RESET] ib ring test failed (%d).\n", r); | |
2747 | ||
2748 | /* release full control of GPU after ib test */ | |
2749 | amdgpu_virt_release_full_gpu(adev, true); | |
2750 | ||
2751 | DRM_INFO("recover vram bo from shadow\n"); | |
2752 | ||
2753 | ring = adev->mman.buffer_funcs_ring; | |
2754 | mutex_lock(&adev->shadow_list_lock); | |
2755 | list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) { | |
236763d3 | 2756 | next = NULL; |
a90ad3c2 ML |
2757 | amdgpu_recover_vram_from_shadow(adev, ring, bo, &next); |
2758 | if (fence) { | |
2759 | r = dma_fence_wait(fence, false); | |
2760 | if (r) { | |
2761 | WARN(r, "recovery from shadow isn't completed\n"); | |
2762 | break; | |
2763 | } | |
2764 | } | |
2765 | ||
2766 | dma_fence_put(fence); | |
2767 | fence = next; | |
2768 | } | |
2769 | mutex_unlock(&adev->shadow_list_lock); | |
2770 | ||
2771 | if (fence) { | |
2772 | r = dma_fence_wait(fence, false); | |
2773 | if (r) | |
2774 | WARN(r, "recovery from shadow isn't completed\n"); | |
2775 | } | |
2776 | dma_fence_put(fence); | |
2777 | ||
65781c78 ML |
2778 | for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) { |
2779 | ring = adev->rings[i % AMDGPU_MAX_RINGS]; | |
a90ad3c2 ML |
2780 | if (!ring || !ring->sched.thread) |
2781 | continue; | |
2782 | ||
65781c78 ML |
2783 | if (job && j != i) { |
2784 | kthread_unpark(ring->sched.thread); | |
2785 | continue; | |
2786 | } | |
2787 | ||
a90ad3c2 ML |
2788 | amd_sched_job_recovery(&ring->sched); |
2789 | kthread_unpark(ring->sched.thread); | |
2790 | } | |
2791 | ||
2792 | drm_helper_resume_force_mode(adev->ddev); | |
65781c78 | 2793 | give_up_reset: |
a90ad3c2 ML |
2794 | ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); |
2795 | if (r) { | |
2796 | /* bad news, how to tell it to userspace ? */ | |
2797 | dev_info(adev->dev, "GPU reset failed\n"); | |
65781c78 ML |
2798 | } else { |
2799 | dev_info(adev->dev, "GPU reset successed!\n"); | |
a90ad3c2 ML |
2800 | } |
2801 | ||
3224a12b | 2802 | adev->in_sriov_reset = false; |
147b5983 | 2803 | mutex_unlock(&adev->virt.lock_reset); |
a90ad3c2 ML |
2804 | return r; |
2805 | } | |
2806 | ||
d38ceaf9 AD |
2807 | /** |
2808 | * amdgpu_gpu_reset - reset the asic | |
2809 | * | |
2810 | * @adev: amdgpu device pointer | |
2811 | * | |
2812 | * Attempt the reset the GPU if it has hung (all asics). | |
2813 | * Returns 0 for success or an error on failure. | |
2814 | */ | |
2815 | int amdgpu_gpu_reset(struct amdgpu_device *adev) | |
2816 | { | |
d38ceaf9 AD |
2817 | int i, r; |
2818 | int resched; | |
0c49e0b8 | 2819 | bool need_full_reset, vram_lost = false; |
fb140b29 | 2820 | |
63fbf42f CZ |
2821 | if (!amdgpu_check_soft_reset(adev)) { |
2822 | DRM_INFO("No hardware hang detected. Did some blocks stall?\n"); | |
2823 | return 0; | |
2824 | } | |
d38ceaf9 | 2825 | |
d94aed5a | 2826 | atomic_inc(&adev->gpu_reset_counter); |
d38ceaf9 | 2827 | |
a3c47d6b CZ |
2828 | /* block TTM */ |
2829 | resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); | |
2830 | ||
0875dc9e CZ |
2831 | /* block scheduler */ |
2832 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
2833 | struct amdgpu_ring *ring = adev->rings[i]; | |
2834 | ||
51687759 | 2835 | if (!ring || !ring->sched.thread) |
0875dc9e CZ |
2836 | continue; |
2837 | kthread_park(ring->sched.thread); | |
aa1c8900 | 2838 | amd_sched_hw_job_reset(&ring->sched); |
0875dc9e | 2839 | } |
2200edac CZ |
2840 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
2841 | amdgpu_fence_driver_force_completion(adev); | |
d38ceaf9 | 2842 | |
35d782fe | 2843 | need_full_reset = amdgpu_need_full_reset(adev); |
d38ceaf9 | 2844 | |
35d782fe CZ |
2845 | if (!need_full_reset) { |
2846 | amdgpu_pre_soft_reset(adev); | |
2847 | r = amdgpu_soft_reset(adev); | |
2848 | amdgpu_post_soft_reset(adev); | |
2849 | if (r || amdgpu_check_soft_reset(adev)) { | |
2850 | DRM_INFO("soft reset failed, will fallback to full reset!\n"); | |
2851 | need_full_reset = true; | |
2852 | } | |
f1aa7e08 CZ |
2853 | } |
2854 | ||
35d782fe | 2855 | if (need_full_reset) { |
35d782fe | 2856 | r = amdgpu_suspend(adev); |
bfa99269 | 2857 | |
35d782fe | 2858 | retry: |
d05da0e2 | 2859 | amdgpu_atombios_scratch_regs_save(adev); |
35d782fe | 2860 | r = amdgpu_asic_reset(adev); |
d05da0e2 | 2861 | amdgpu_atombios_scratch_regs_restore(adev); |
35d782fe CZ |
2862 | /* post card */ |
2863 | amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
2864 | ||
2865 | if (!r) { | |
2866 | dev_info(adev->dev, "GPU reset succeeded, trying to resume\n"); | |
fcf0649f CZ |
2867 | r = amdgpu_resume_phase1(adev); |
2868 | if (r) | |
2869 | goto out; | |
0c49e0b8 | 2870 | vram_lost = amdgpu_check_vram_lost(adev); |
f1892138 | 2871 | if (vram_lost) { |
0c49e0b8 | 2872 | DRM_ERROR("VRAM is lost!\n"); |
f1892138 CZ |
2873 | atomic_inc(&adev->vram_lost_counter); |
2874 | } | |
fcf0649f CZ |
2875 | r = amdgpu_ttm_recover_gart(adev); |
2876 | if (r) | |
2877 | goto out; | |
2878 | r = amdgpu_resume_phase2(adev); | |
2879 | if (r) | |
2880 | goto out; | |
0c49e0b8 CZ |
2881 | if (vram_lost) |
2882 | amdgpu_fill_reset_magic(adev); | |
35d782fe | 2883 | } |
d38ceaf9 | 2884 | } |
fcf0649f | 2885 | out: |
d38ceaf9 | 2886 | if (!r) { |
e72cfd58 | 2887 | amdgpu_irq_gpu_reset_resume_helper(adev); |
1f465087 CZ |
2888 | r = amdgpu_ib_ring_tests(adev); |
2889 | if (r) { | |
2890 | dev_err(adev->dev, "ib ring test failed (%d).\n", r); | |
40019dc4 | 2891 | r = amdgpu_suspend(adev); |
53cdccd5 | 2892 | need_full_reset = true; |
40019dc4 | 2893 | goto retry; |
1f465087 | 2894 | } |
53cdccd5 CZ |
2895 | /** |
2896 | * recovery vm page tables, since we cannot depend on VRAM is | |
2897 | * consistent after gpu full reset. | |
2898 | */ | |
2899 | if (need_full_reset && amdgpu_need_backup(adev)) { | |
2900 | struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; | |
2901 | struct amdgpu_bo *bo, *tmp; | |
f54d1867 | 2902 | struct dma_fence *fence = NULL, *next = NULL; |
53cdccd5 CZ |
2903 | |
2904 | DRM_INFO("recover vram bo from shadow\n"); | |
2905 | mutex_lock(&adev->shadow_list_lock); | |
2906 | list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) { | |
236763d3 | 2907 | next = NULL; |
53cdccd5 CZ |
2908 | amdgpu_recover_vram_from_shadow(adev, ring, bo, &next); |
2909 | if (fence) { | |
f54d1867 | 2910 | r = dma_fence_wait(fence, false); |
53cdccd5 | 2911 | if (r) { |
1d7b17b0 | 2912 | WARN(r, "recovery from shadow isn't completed\n"); |
53cdccd5 CZ |
2913 | break; |
2914 | } | |
2915 | } | |
1f465087 | 2916 | |
f54d1867 | 2917 | dma_fence_put(fence); |
53cdccd5 CZ |
2918 | fence = next; |
2919 | } | |
2920 | mutex_unlock(&adev->shadow_list_lock); | |
2921 | if (fence) { | |
f54d1867 | 2922 | r = dma_fence_wait(fence, false); |
53cdccd5 | 2923 | if (r) |
1d7b17b0 | 2924 | WARN(r, "recovery from shadow isn't completed\n"); |
53cdccd5 | 2925 | } |
f54d1867 | 2926 | dma_fence_put(fence); |
53cdccd5 | 2927 | } |
d38ceaf9 AD |
2928 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
2929 | struct amdgpu_ring *ring = adev->rings[i]; | |
51687759 CZ |
2930 | |
2931 | if (!ring || !ring->sched.thread) | |
d38ceaf9 | 2932 | continue; |
53cdccd5 | 2933 | |
aa1c8900 | 2934 | amd_sched_job_recovery(&ring->sched); |
0875dc9e | 2935 | kthread_unpark(ring->sched.thread); |
d38ceaf9 | 2936 | } |
d38ceaf9 | 2937 | } else { |
2200edac | 2938 | dev_err(adev->dev, "asic resume failed (%d).\n", r); |
89041940 | 2939 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_ASIC_RESUME_FAIL, 0, r); |
d38ceaf9 | 2940 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
51687759 | 2941 | if (adev->rings[i] && adev->rings[i]->sched.thread) { |
0875dc9e | 2942 | kthread_unpark(adev->rings[i]->sched.thread); |
0875dc9e | 2943 | } |
d38ceaf9 AD |
2944 | } |
2945 | } | |
2946 | ||
2947 | drm_helper_resume_force_mode(adev->ddev); | |
2948 | ||
2949 | ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); | |
89041940 | 2950 | if (r) { |
d38ceaf9 AD |
2951 | /* bad news, how to tell it to userspace ? */ |
2952 | dev_info(adev->dev, "GPU reset failed\n"); | |
89041940 GW |
2953 | amdgpu_vf_error_put(AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
2954 | } | |
2955 | else { | |
6643be65 | 2956 | dev_info(adev->dev, "GPU reset successed!\n"); |
89041940 | 2957 | } |
d38ceaf9 | 2958 | |
89041940 | 2959 | amdgpu_vf_error_trans_all(adev); |
d38ceaf9 AD |
2960 | return r; |
2961 | } | |
2962 | ||
d0dd7f0c AD |
2963 | void amdgpu_get_pcie_info(struct amdgpu_device *adev) |
2964 | { | |
2965 | u32 mask; | |
2966 | int ret; | |
2967 | ||
cd474ba0 AD |
2968 | if (amdgpu_pcie_gen_cap) |
2969 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 2970 | |
cd474ba0 AD |
2971 | if (amdgpu_pcie_lane_cap) |
2972 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 2973 | |
cd474ba0 AD |
2974 | /* covers APUs as well */ |
2975 | if (pci_is_root_bus(adev->pdev->bus)) { | |
2976 | if (adev->pm.pcie_gen_mask == 0) | |
2977 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
2978 | if (adev->pm.pcie_mlw_mask == 0) | |
2979 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 2980 | return; |
cd474ba0 | 2981 | } |
d0dd7f0c | 2982 | |
cd474ba0 AD |
2983 | if (adev->pm.pcie_gen_mask == 0) { |
2984 | ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); | |
2985 | if (!ret) { | |
2986 | adev->pm.pcie_gen_mask = (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
2987 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
2988 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
2989 | ||
2990 | if (mask & DRM_PCIE_SPEED_25) | |
2991 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
2992 | if (mask & DRM_PCIE_SPEED_50) | |
2993 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2; | |
2994 | if (mask & DRM_PCIE_SPEED_80) | |
2995 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3; | |
2996 | } else { | |
2997 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
2998 | } | |
2999 | } | |
3000 | if (adev->pm.pcie_mlw_mask == 0) { | |
3001 | ret = drm_pcie_get_max_link_width(adev->ddev, &mask); | |
3002 | if (!ret) { | |
3003 | switch (mask) { | |
3004 | case 32: | |
3005 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | | |
3006 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
3007 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3008 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3009 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3010 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3011 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3012 | break; | |
3013 | case 16: | |
3014 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
3015 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3016 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3017 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3018 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3019 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3020 | break; | |
3021 | case 12: | |
3022 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3023 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3024 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3025 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3026 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3027 | break; | |
3028 | case 8: | |
3029 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3030 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3031 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3032 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3033 | break; | |
3034 | case 4: | |
3035 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3036 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3037 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3038 | break; | |
3039 | case 2: | |
3040 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3041 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3042 | break; | |
3043 | case 1: | |
3044 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; | |
3045 | break; | |
3046 | default: | |
3047 | break; | |
3048 | } | |
3049 | } else { | |
3050 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c AD |
3051 | } |
3052 | } | |
3053 | } | |
d38ceaf9 AD |
3054 | |
3055 | /* | |
3056 | * Debugfs | |
3057 | */ | |
3058 | int amdgpu_debugfs_add_files(struct amdgpu_device *adev, | |
06ab6832 | 3059 | const struct drm_info_list *files, |
d38ceaf9 AD |
3060 | unsigned nfiles) |
3061 | { | |
3062 | unsigned i; | |
3063 | ||
3064 | for (i = 0; i < adev->debugfs_count; i++) { | |
3065 | if (adev->debugfs[i].files == files) { | |
3066 | /* Already registered */ | |
3067 | return 0; | |
3068 | } | |
3069 | } | |
3070 | ||
3071 | i = adev->debugfs_count + 1; | |
3072 | if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) { | |
3073 | DRM_ERROR("Reached maximum number of debugfs components.\n"); | |
3074 | DRM_ERROR("Report so we increase " | |
3075 | "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n"); | |
3076 | return -EINVAL; | |
3077 | } | |
3078 | adev->debugfs[adev->debugfs_count].files = files; | |
3079 | adev->debugfs[adev->debugfs_count].num_files = nfiles; | |
3080 | adev->debugfs_count = i; | |
3081 | #if defined(CONFIG_DEBUG_FS) | |
d38ceaf9 AD |
3082 | drm_debugfs_create_files(files, nfiles, |
3083 | adev->ddev->primary->debugfs_root, | |
3084 | adev->ddev->primary); | |
3085 | #endif | |
3086 | return 0; | |
3087 | } | |
3088 | ||
d38ceaf9 AD |
3089 | #if defined(CONFIG_DEBUG_FS) |
3090 | ||
3091 | static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, | |
3092 | size_t size, loff_t *pos) | |
3093 | { | |
45063097 | 3094 | struct amdgpu_device *adev = file_inode(f)->i_private; |
d38ceaf9 AD |
3095 | ssize_t result = 0; |
3096 | int r; | |
bd12267d | 3097 | bool pm_pg_lock, use_bank; |
56628159 | 3098 | unsigned instance_bank, sh_bank, se_bank; |
d38ceaf9 AD |
3099 | |
3100 | if (size & 0x3 || *pos & 0x3) | |
3101 | return -EINVAL; | |
3102 | ||
bd12267d TSD |
3103 | /* are we reading registers for which a PG lock is necessary? */ |
3104 | pm_pg_lock = (*pos >> 23) & 1; | |
3105 | ||
56628159 TSD |
3106 | if (*pos & (1ULL << 62)) { |
3107 | se_bank = (*pos >> 24) & 0x3FF; | |
3108 | sh_bank = (*pos >> 34) & 0x3FF; | |
3109 | instance_bank = (*pos >> 44) & 0x3FF; | |
32977f93 TSD |
3110 | |
3111 | if (se_bank == 0x3FF) | |
3112 | se_bank = 0xFFFFFFFF; | |
3113 | if (sh_bank == 0x3FF) | |
3114 | sh_bank = 0xFFFFFFFF; | |
3115 | if (instance_bank == 0x3FF) | |
3116 | instance_bank = 0xFFFFFFFF; | |
56628159 | 3117 | use_bank = 1; |
56628159 TSD |
3118 | } else { |
3119 | use_bank = 0; | |
3120 | } | |
3121 | ||
801a6aa9 | 3122 | *pos &= (1UL << 22) - 1; |
bd12267d | 3123 | |
56628159 | 3124 | if (use_bank) { |
32977f93 TSD |
3125 | if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || |
3126 | (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) | |
56628159 TSD |
3127 | return -EINVAL; |
3128 | mutex_lock(&adev->grbm_idx_mutex); | |
3129 | amdgpu_gfx_select_se_sh(adev, se_bank, | |
3130 | sh_bank, instance_bank); | |
3131 | } | |
3132 | ||
bd12267d TSD |
3133 | if (pm_pg_lock) |
3134 | mutex_lock(&adev->pm.mutex); | |
3135 | ||
d38ceaf9 AD |
3136 | while (size) { |
3137 | uint32_t value; | |
3138 | ||
3139 | if (*pos > adev->rmmio_size) | |
56628159 | 3140 | goto end; |
d38ceaf9 AD |
3141 | |
3142 | value = RREG32(*pos >> 2); | |
3143 | r = put_user(value, (uint32_t *)buf); | |
56628159 TSD |
3144 | if (r) { |
3145 | result = r; | |
3146 | goto end; | |
3147 | } | |
d38ceaf9 AD |
3148 | |
3149 | result += 4; | |
3150 | buf += 4; | |
3151 | *pos += 4; | |
3152 | size -= 4; | |
3153 | } | |
3154 | ||
56628159 TSD |
3155 | end: |
3156 | if (use_bank) { | |
3157 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); | |
3158 | mutex_unlock(&adev->grbm_idx_mutex); | |
3159 | } | |
3160 | ||
bd12267d TSD |
3161 | if (pm_pg_lock) |
3162 | mutex_unlock(&adev->pm.mutex); | |
3163 | ||
d38ceaf9 AD |
3164 | return result; |
3165 | } | |
3166 | ||
3167 | static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, | |
3168 | size_t size, loff_t *pos) | |
3169 | { | |
45063097 | 3170 | struct amdgpu_device *adev = file_inode(f)->i_private; |
d38ceaf9 AD |
3171 | ssize_t result = 0; |
3172 | int r; | |
394fdde2 TSD |
3173 | bool pm_pg_lock, use_bank; |
3174 | unsigned instance_bank, sh_bank, se_bank; | |
d38ceaf9 AD |
3175 | |
3176 | if (size & 0x3 || *pos & 0x3) | |
3177 | return -EINVAL; | |
3178 | ||
394fdde2 TSD |
3179 | /* are we reading registers for which a PG lock is necessary? */ |
3180 | pm_pg_lock = (*pos >> 23) & 1; | |
3181 | ||
3182 | if (*pos & (1ULL << 62)) { | |
3183 | se_bank = (*pos >> 24) & 0x3FF; | |
3184 | sh_bank = (*pos >> 34) & 0x3FF; | |
3185 | instance_bank = (*pos >> 44) & 0x3FF; | |
3186 | ||
3187 | if (se_bank == 0x3FF) | |
3188 | se_bank = 0xFFFFFFFF; | |
3189 | if (sh_bank == 0x3FF) | |
3190 | sh_bank = 0xFFFFFFFF; | |
3191 | if (instance_bank == 0x3FF) | |
3192 | instance_bank = 0xFFFFFFFF; | |
3193 | use_bank = 1; | |
3194 | } else { | |
3195 | use_bank = 0; | |
3196 | } | |
3197 | ||
801a6aa9 | 3198 | *pos &= (1UL << 22) - 1; |
394fdde2 TSD |
3199 | |
3200 | if (use_bank) { | |
3201 | if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || | |
3202 | (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) | |
3203 | return -EINVAL; | |
3204 | mutex_lock(&adev->grbm_idx_mutex); | |
3205 | amdgpu_gfx_select_se_sh(adev, se_bank, | |
3206 | sh_bank, instance_bank); | |
3207 | } | |
3208 | ||
3209 | if (pm_pg_lock) | |
3210 | mutex_lock(&adev->pm.mutex); | |
3211 | ||
d38ceaf9 AD |
3212 | while (size) { |
3213 | uint32_t value; | |
3214 | ||
3215 | if (*pos > adev->rmmio_size) | |
3216 | return result; | |
3217 | ||
3218 | r = get_user(value, (uint32_t *)buf); | |
3219 | if (r) | |
3220 | return r; | |
3221 | ||
3222 | WREG32(*pos >> 2, value); | |
3223 | ||
3224 | result += 4; | |
3225 | buf += 4; | |
3226 | *pos += 4; | |
3227 | size -= 4; | |
3228 | } | |
3229 | ||
394fdde2 TSD |
3230 | if (use_bank) { |
3231 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); | |
3232 | mutex_unlock(&adev->grbm_idx_mutex); | |
3233 | } | |
3234 | ||
3235 | if (pm_pg_lock) | |
3236 | mutex_unlock(&adev->pm.mutex); | |
3237 | ||
d38ceaf9 AD |
3238 | return result; |
3239 | } | |
3240 | ||
adcec288 TSD |
3241 | static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, |
3242 | size_t size, loff_t *pos) | |
3243 | { | |
45063097 | 3244 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3245 | ssize_t result = 0; |
3246 | int r; | |
3247 | ||
3248 | if (size & 0x3 || *pos & 0x3) | |
3249 | return -EINVAL; | |
3250 | ||
3251 | while (size) { | |
3252 | uint32_t value; | |
3253 | ||
3254 | value = RREG32_PCIE(*pos >> 2); | |
3255 | r = put_user(value, (uint32_t *)buf); | |
3256 | if (r) | |
3257 | return r; | |
3258 | ||
3259 | result += 4; | |
3260 | buf += 4; | |
3261 | *pos += 4; | |
3262 | size -= 4; | |
3263 | } | |
3264 | ||
3265 | return result; | |
3266 | } | |
3267 | ||
3268 | static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf, | |
3269 | size_t size, loff_t *pos) | |
3270 | { | |
45063097 | 3271 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3272 | ssize_t result = 0; |
3273 | int r; | |
3274 | ||
3275 | if (size & 0x3 || *pos & 0x3) | |
3276 | return -EINVAL; | |
3277 | ||
3278 | while (size) { | |
3279 | uint32_t value; | |
3280 | ||
3281 | r = get_user(value, (uint32_t *)buf); | |
3282 | if (r) | |
3283 | return r; | |
3284 | ||
3285 | WREG32_PCIE(*pos >> 2, value); | |
3286 | ||
3287 | result += 4; | |
3288 | buf += 4; | |
3289 | *pos += 4; | |
3290 | size -= 4; | |
3291 | } | |
3292 | ||
3293 | return result; | |
3294 | } | |
3295 | ||
3296 | static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, | |
3297 | size_t size, loff_t *pos) | |
3298 | { | |
45063097 | 3299 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3300 | ssize_t result = 0; |
3301 | int r; | |
3302 | ||
3303 | if (size & 0x3 || *pos & 0x3) | |
3304 | return -EINVAL; | |
3305 | ||
3306 | while (size) { | |
3307 | uint32_t value; | |
3308 | ||
3309 | value = RREG32_DIDT(*pos >> 2); | |
3310 | r = put_user(value, (uint32_t *)buf); | |
3311 | if (r) | |
3312 | return r; | |
3313 | ||
3314 | result += 4; | |
3315 | buf += 4; | |
3316 | *pos += 4; | |
3317 | size -= 4; | |
3318 | } | |
3319 | ||
3320 | return result; | |
3321 | } | |
3322 | ||
3323 | static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf, | |
3324 | size_t size, loff_t *pos) | |
3325 | { | |
45063097 | 3326 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3327 | ssize_t result = 0; |
3328 | int r; | |
3329 | ||
3330 | if (size & 0x3 || *pos & 0x3) | |
3331 | return -EINVAL; | |
3332 | ||
3333 | while (size) { | |
3334 | uint32_t value; | |
3335 | ||
3336 | r = get_user(value, (uint32_t *)buf); | |
3337 | if (r) | |
3338 | return r; | |
3339 | ||
3340 | WREG32_DIDT(*pos >> 2, value); | |
3341 | ||
3342 | result += 4; | |
3343 | buf += 4; | |
3344 | *pos += 4; | |
3345 | size -= 4; | |
3346 | } | |
3347 | ||
3348 | return result; | |
3349 | } | |
3350 | ||
3351 | static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, | |
3352 | size_t size, loff_t *pos) | |
3353 | { | |
45063097 | 3354 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3355 | ssize_t result = 0; |
3356 | int r; | |
3357 | ||
3358 | if (size & 0x3 || *pos & 0x3) | |
3359 | return -EINVAL; | |
3360 | ||
3361 | while (size) { | |
3362 | uint32_t value; | |
3363 | ||
6fc0deaf | 3364 | value = RREG32_SMC(*pos); |
adcec288 TSD |
3365 | r = put_user(value, (uint32_t *)buf); |
3366 | if (r) | |
3367 | return r; | |
3368 | ||
3369 | result += 4; | |
3370 | buf += 4; | |
3371 | *pos += 4; | |
3372 | size -= 4; | |
3373 | } | |
3374 | ||
3375 | return result; | |
3376 | } | |
3377 | ||
3378 | static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf, | |
3379 | size_t size, loff_t *pos) | |
3380 | { | |
45063097 | 3381 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3382 | ssize_t result = 0; |
3383 | int r; | |
3384 | ||
3385 | if (size & 0x3 || *pos & 0x3) | |
3386 | return -EINVAL; | |
3387 | ||
3388 | while (size) { | |
3389 | uint32_t value; | |
3390 | ||
3391 | r = get_user(value, (uint32_t *)buf); | |
3392 | if (r) | |
3393 | return r; | |
3394 | ||
6fc0deaf | 3395 | WREG32_SMC(*pos, value); |
adcec288 TSD |
3396 | |
3397 | result += 4; | |
3398 | buf += 4; | |
3399 | *pos += 4; | |
3400 | size -= 4; | |
3401 | } | |
3402 | ||
3403 | return result; | |
3404 | } | |
3405 | ||
1e051413 TSD |
3406 | static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, |
3407 | size_t size, loff_t *pos) | |
3408 | { | |
45063097 | 3409 | struct amdgpu_device *adev = file_inode(f)->i_private; |
1e051413 TSD |
3410 | ssize_t result = 0; |
3411 | int r; | |
3412 | uint32_t *config, no_regs = 0; | |
3413 | ||
3414 | if (size & 0x3 || *pos & 0x3) | |
3415 | return -EINVAL; | |
3416 | ||
ecab7668 | 3417 | config = kmalloc_array(256, sizeof(*config), GFP_KERNEL); |
1e051413 TSD |
3418 | if (!config) |
3419 | return -ENOMEM; | |
3420 | ||
3421 | /* version, increment each time something is added */ | |
9a999359 | 3422 | config[no_regs++] = 3; |
1e051413 TSD |
3423 | config[no_regs++] = adev->gfx.config.max_shader_engines; |
3424 | config[no_regs++] = adev->gfx.config.max_tile_pipes; | |
3425 | config[no_regs++] = adev->gfx.config.max_cu_per_sh; | |
3426 | config[no_regs++] = adev->gfx.config.max_sh_per_se; | |
3427 | config[no_regs++] = adev->gfx.config.max_backends_per_se; | |
3428 | config[no_regs++] = adev->gfx.config.max_texture_channel_caches; | |
3429 | config[no_regs++] = adev->gfx.config.max_gprs; | |
3430 | config[no_regs++] = adev->gfx.config.max_gs_threads; | |
3431 | config[no_regs++] = adev->gfx.config.max_hw_contexts; | |
3432 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend; | |
3433 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend; | |
3434 | config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size; | |
3435 | config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size; | |
3436 | config[no_regs++] = adev->gfx.config.num_tile_pipes; | |
3437 | config[no_regs++] = adev->gfx.config.backend_enable_mask; | |
3438 | config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes; | |
3439 | config[no_regs++] = adev->gfx.config.mem_row_size_in_kb; | |
3440 | config[no_regs++] = adev->gfx.config.shader_engine_tile_size; | |
3441 | config[no_regs++] = adev->gfx.config.num_gpus; | |
3442 | config[no_regs++] = adev->gfx.config.multi_gpu_tile_size; | |
3443 | config[no_regs++] = adev->gfx.config.mc_arb_ramcfg; | |
3444 | config[no_regs++] = adev->gfx.config.gb_addr_config; | |
3445 | config[no_regs++] = adev->gfx.config.num_rbs; | |
3446 | ||
89a8f309 TSD |
3447 | /* rev==1 */ |
3448 | config[no_regs++] = adev->rev_id; | |
3449 | config[no_regs++] = adev->pg_flags; | |
3450 | config[no_regs++] = adev->cg_flags; | |
3451 | ||
e9f11dc8 TSD |
3452 | /* rev==2 */ |
3453 | config[no_regs++] = adev->family; | |
3454 | config[no_regs++] = adev->external_rev_id; | |
3455 | ||
9a999359 TSD |
3456 | /* rev==3 */ |
3457 | config[no_regs++] = adev->pdev->device; | |
3458 | config[no_regs++] = adev->pdev->revision; | |
3459 | config[no_regs++] = adev->pdev->subsystem_device; | |
3460 | config[no_regs++] = adev->pdev->subsystem_vendor; | |
3461 | ||
1e051413 TSD |
3462 | while (size && (*pos < no_regs * 4)) { |
3463 | uint32_t value; | |
3464 | ||
3465 | value = config[*pos >> 2]; | |
3466 | r = put_user(value, (uint32_t *)buf); | |
3467 | if (r) { | |
3468 | kfree(config); | |
3469 | return r; | |
3470 | } | |
3471 | ||
3472 | result += 4; | |
3473 | buf += 4; | |
3474 | *pos += 4; | |
3475 | size -= 4; | |
3476 | } | |
3477 | ||
3478 | kfree(config); | |
3479 | return result; | |
3480 | } | |
3481 | ||
f2cdaf20 TSD |
3482 | static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, |
3483 | size_t size, loff_t *pos) | |
3484 | { | |
45063097 | 3485 | struct amdgpu_device *adev = file_inode(f)->i_private; |
9f8df7d7 TSD |
3486 | int idx, x, outsize, r, valuesize; |
3487 | uint32_t values[16]; | |
f2cdaf20 | 3488 | |
9f8df7d7 | 3489 | if (size & 3 || *pos & 0x3) |
f2cdaf20 TSD |
3490 | return -EINVAL; |
3491 | ||
3cbc614f SP |
3492 | if (amdgpu_dpm == 0) |
3493 | return -EINVAL; | |
3494 | ||
f2cdaf20 TSD |
3495 | /* convert offset to sensor number */ |
3496 | idx = *pos >> 2; | |
3497 | ||
9f8df7d7 | 3498 | valuesize = sizeof(values); |
f2cdaf20 | 3499 | if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) |
cd4d7464 | 3500 | r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); |
f2cdaf20 TSD |
3501 | else |
3502 | return -EINVAL; | |
3503 | ||
9f8df7d7 TSD |
3504 | if (size > valuesize) |
3505 | return -EINVAL; | |
3506 | ||
3507 | outsize = 0; | |
3508 | x = 0; | |
3509 | if (!r) { | |
3510 | while (size) { | |
3511 | r = put_user(values[x++], (int32_t *)buf); | |
3512 | buf += 4; | |
3513 | size -= 4; | |
3514 | outsize += 4; | |
3515 | } | |
3516 | } | |
f2cdaf20 | 3517 | |
9f8df7d7 | 3518 | return !r ? outsize : r; |
f2cdaf20 | 3519 | } |
1e051413 | 3520 | |
273d7aa1 TSD |
3521 | static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, |
3522 | size_t size, loff_t *pos) | |
3523 | { | |
3524 | struct amdgpu_device *adev = f->f_inode->i_private; | |
3525 | int r, x; | |
3526 | ssize_t result=0; | |
472259f0 | 3527 | uint32_t offset, se, sh, cu, wave, simd, data[32]; |
273d7aa1 TSD |
3528 | |
3529 | if (size & 3 || *pos & 3) | |
3530 | return -EINVAL; | |
3531 | ||
3532 | /* decode offset */ | |
3533 | offset = (*pos & 0x7F); | |
3534 | se = ((*pos >> 7) & 0xFF); | |
3535 | sh = ((*pos >> 15) & 0xFF); | |
3536 | cu = ((*pos >> 23) & 0xFF); | |
3537 | wave = ((*pos >> 31) & 0xFF); | |
3538 | simd = ((*pos >> 37) & 0xFF); | |
273d7aa1 TSD |
3539 | |
3540 | /* switch to the specific se/sh/cu */ | |
3541 | mutex_lock(&adev->grbm_idx_mutex); | |
3542 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); | |
3543 | ||
3544 | x = 0; | |
472259f0 TSD |
3545 | if (adev->gfx.funcs->read_wave_data) |
3546 | adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x); | |
273d7aa1 TSD |
3547 | |
3548 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); | |
3549 | mutex_unlock(&adev->grbm_idx_mutex); | |
3550 | ||
5ecfb3b8 TSD |
3551 | if (!x) |
3552 | return -EINVAL; | |
3553 | ||
472259f0 | 3554 | while (size && (offset < x * 4)) { |
273d7aa1 TSD |
3555 | uint32_t value; |
3556 | ||
472259f0 | 3557 | value = data[offset >> 2]; |
273d7aa1 TSD |
3558 | r = put_user(value, (uint32_t *)buf); |
3559 | if (r) | |
3560 | return r; | |
3561 | ||
3562 | result += 4; | |
3563 | buf += 4; | |
472259f0 | 3564 | offset += 4; |
273d7aa1 TSD |
3565 | size -= 4; |
3566 | } | |
3567 | ||
3568 | return result; | |
3569 | } | |
3570 | ||
c5a60ce8 TSD |
3571 | static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, |
3572 | size_t size, loff_t *pos) | |
3573 | { | |
3574 | struct amdgpu_device *adev = f->f_inode->i_private; | |
3575 | int r; | |
3576 | ssize_t result = 0; | |
3577 | uint32_t offset, se, sh, cu, wave, simd, thread, bank, *data; | |
3578 | ||
3579 | if (size & 3 || *pos & 3) | |
3580 | return -EINVAL; | |
3581 | ||
3582 | /* decode offset */ | |
3583 | offset = (*pos & 0xFFF); /* in dwords */ | |
3584 | se = ((*pos >> 12) & 0xFF); | |
3585 | sh = ((*pos >> 20) & 0xFF); | |
3586 | cu = ((*pos >> 28) & 0xFF); | |
3587 | wave = ((*pos >> 36) & 0xFF); | |
3588 | simd = ((*pos >> 44) & 0xFF); | |
3589 | thread = ((*pos >> 52) & 0xFF); | |
3590 | bank = ((*pos >> 60) & 1); | |
3591 | ||
3592 | data = kmalloc_array(1024, sizeof(*data), GFP_KERNEL); | |
3593 | if (!data) | |
3594 | return -ENOMEM; | |
3595 | ||
3596 | /* switch to the specific se/sh/cu */ | |
3597 | mutex_lock(&adev->grbm_idx_mutex); | |
3598 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); | |
3599 | ||
3600 | if (bank == 0) { | |
3601 | if (adev->gfx.funcs->read_wave_vgprs) | |
3602 | adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data); | |
3603 | } else { | |
3604 | if (adev->gfx.funcs->read_wave_sgprs) | |
3605 | adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data); | |
3606 | } | |
3607 | ||
3608 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); | |
3609 | mutex_unlock(&adev->grbm_idx_mutex); | |
3610 | ||
3611 | while (size) { | |
3612 | uint32_t value; | |
3613 | ||
3614 | value = data[offset++]; | |
3615 | r = put_user(value, (uint32_t *)buf); | |
3616 | if (r) { | |
3617 | result = r; | |
3618 | goto err; | |
3619 | } | |
3620 | ||
3621 | result += 4; | |
3622 | buf += 4; | |
3623 | size -= 4; | |
3624 | } | |
3625 | ||
3626 | err: | |
3627 | kfree(data); | |
3628 | return result; | |
3629 | } | |
3630 | ||
d38ceaf9 AD |
3631 | static const struct file_operations amdgpu_debugfs_regs_fops = { |
3632 | .owner = THIS_MODULE, | |
3633 | .read = amdgpu_debugfs_regs_read, | |
3634 | .write = amdgpu_debugfs_regs_write, | |
3635 | .llseek = default_llseek | |
3636 | }; | |
adcec288 TSD |
3637 | static const struct file_operations amdgpu_debugfs_regs_didt_fops = { |
3638 | .owner = THIS_MODULE, | |
3639 | .read = amdgpu_debugfs_regs_didt_read, | |
3640 | .write = amdgpu_debugfs_regs_didt_write, | |
3641 | .llseek = default_llseek | |
3642 | }; | |
3643 | static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { | |
3644 | .owner = THIS_MODULE, | |
3645 | .read = amdgpu_debugfs_regs_pcie_read, | |
3646 | .write = amdgpu_debugfs_regs_pcie_write, | |
3647 | .llseek = default_llseek | |
3648 | }; | |
3649 | static const struct file_operations amdgpu_debugfs_regs_smc_fops = { | |
3650 | .owner = THIS_MODULE, | |
3651 | .read = amdgpu_debugfs_regs_smc_read, | |
3652 | .write = amdgpu_debugfs_regs_smc_write, | |
3653 | .llseek = default_llseek | |
3654 | }; | |
3655 | ||
1e051413 TSD |
3656 | static const struct file_operations amdgpu_debugfs_gca_config_fops = { |
3657 | .owner = THIS_MODULE, | |
3658 | .read = amdgpu_debugfs_gca_config_read, | |
3659 | .llseek = default_llseek | |
3660 | }; | |
3661 | ||
f2cdaf20 TSD |
3662 | static const struct file_operations amdgpu_debugfs_sensors_fops = { |
3663 | .owner = THIS_MODULE, | |
3664 | .read = amdgpu_debugfs_sensor_read, | |
3665 | .llseek = default_llseek | |
3666 | }; | |
3667 | ||
273d7aa1 TSD |
3668 | static const struct file_operations amdgpu_debugfs_wave_fops = { |
3669 | .owner = THIS_MODULE, | |
3670 | .read = amdgpu_debugfs_wave_read, | |
3671 | .llseek = default_llseek | |
3672 | }; | |
c5a60ce8 TSD |
3673 | static const struct file_operations amdgpu_debugfs_gpr_fops = { |
3674 | .owner = THIS_MODULE, | |
3675 | .read = amdgpu_debugfs_gpr_read, | |
3676 | .llseek = default_llseek | |
3677 | }; | |
273d7aa1 | 3678 | |
adcec288 TSD |
3679 | static const struct file_operations *debugfs_regs[] = { |
3680 | &amdgpu_debugfs_regs_fops, | |
3681 | &amdgpu_debugfs_regs_didt_fops, | |
3682 | &amdgpu_debugfs_regs_pcie_fops, | |
3683 | &amdgpu_debugfs_regs_smc_fops, | |
1e051413 | 3684 | &amdgpu_debugfs_gca_config_fops, |
f2cdaf20 | 3685 | &amdgpu_debugfs_sensors_fops, |
273d7aa1 | 3686 | &amdgpu_debugfs_wave_fops, |
c5a60ce8 | 3687 | &amdgpu_debugfs_gpr_fops, |
adcec288 TSD |
3688 | }; |
3689 | ||
3690 | static const char *debugfs_regs_names[] = { | |
3691 | "amdgpu_regs", | |
3692 | "amdgpu_regs_didt", | |
3693 | "amdgpu_regs_pcie", | |
3694 | "amdgpu_regs_smc", | |
1e051413 | 3695 | "amdgpu_gca_config", |
f2cdaf20 | 3696 | "amdgpu_sensors", |
273d7aa1 | 3697 | "amdgpu_wave", |
c5a60ce8 | 3698 | "amdgpu_gpr", |
adcec288 | 3699 | }; |
d38ceaf9 AD |
3700 | |
3701 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) | |
3702 | { | |
3703 | struct drm_minor *minor = adev->ddev->primary; | |
3704 | struct dentry *ent, *root = minor->debugfs_root; | |
adcec288 TSD |
3705 | unsigned i, j; |
3706 | ||
3707 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
3708 | ent = debugfs_create_file(debugfs_regs_names[i], | |
3709 | S_IFREG | S_IRUGO, root, | |
3710 | adev, debugfs_regs[i]); | |
3711 | if (IS_ERR(ent)) { | |
3712 | for (j = 0; j < i; j++) { | |
3713 | debugfs_remove(adev->debugfs_regs[i]); | |
3714 | adev->debugfs_regs[i] = NULL; | |
3715 | } | |
3716 | return PTR_ERR(ent); | |
3717 | } | |
d38ceaf9 | 3718 | |
adcec288 TSD |
3719 | if (!i) |
3720 | i_size_write(ent->d_inode, adev->rmmio_size); | |
3721 | adev->debugfs_regs[i] = ent; | |
3722 | } | |
d38ceaf9 AD |
3723 | |
3724 | return 0; | |
3725 | } | |
3726 | ||
3727 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) | |
3728 | { | |
adcec288 TSD |
3729 | unsigned i; |
3730 | ||
3731 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
3732 | if (adev->debugfs_regs[i]) { | |
3733 | debugfs_remove(adev->debugfs_regs[i]); | |
3734 | adev->debugfs_regs[i] = NULL; | |
3735 | } | |
3736 | } | |
d38ceaf9 AD |
3737 | } |
3738 | ||
4f0955fc HR |
3739 | static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data) |
3740 | { | |
3741 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
3742 | struct drm_device *dev = node->minor->dev; | |
3743 | struct amdgpu_device *adev = dev->dev_private; | |
3744 | int r = 0, i; | |
3745 | ||
3746 | /* hold on the scheduler */ | |
3747 | for (i = 0; i < AMDGPU_MAX_RINGS; i++) { | |
3748 | struct amdgpu_ring *ring = adev->rings[i]; | |
3749 | ||
3750 | if (!ring || !ring->sched.thread) | |
3751 | continue; | |
3752 | kthread_park(ring->sched.thread); | |
3753 | } | |
3754 | ||
3755 | seq_printf(m, "run ib test:\n"); | |
3756 | r = amdgpu_ib_ring_tests(adev); | |
3757 | if (r) | |
3758 | seq_printf(m, "ib ring tests failed (%d).\n", r); | |
3759 | else | |
3760 | seq_printf(m, "ib ring tests passed.\n"); | |
3761 | ||
3762 | /* go on the scheduler */ | |
3763 | for (i = 0; i < AMDGPU_MAX_RINGS; i++) { | |
3764 | struct amdgpu_ring *ring = adev->rings[i]; | |
3765 | ||
3766 | if (!ring || !ring->sched.thread) | |
3767 | continue; | |
3768 | kthread_unpark(ring->sched.thread); | |
3769 | } | |
3770 | ||
3771 | return 0; | |
3772 | } | |
3773 | ||
3774 | static const struct drm_info_list amdgpu_debugfs_test_ib_ring_list[] = { | |
3775 | {"amdgpu_test_ib", &amdgpu_debugfs_test_ib} | |
3776 | }; | |
3777 | ||
3778 | static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) | |
3779 | { | |
3780 | return amdgpu_debugfs_add_files(adev, | |
3781 | amdgpu_debugfs_test_ib_ring_list, 1); | |
3782 | } | |
3783 | ||
d38ceaf9 AD |
3784 | int amdgpu_debugfs_init(struct drm_minor *minor) |
3785 | { | |
3786 | return 0; | |
3787 | } | |
db95e218 KR |
3788 | |
3789 | static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data) | |
3790 | { | |
3791 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
3792 | struct drm_device *dev = node->minor->dev; | |
3793 | struct amdgpu_device *adev = dev->dev_private; | |
3794 | ||
3795 | seq_write(m, adev->bios, adev->bios_size); | |
3796 | return 0; | |
3797 | } | |
3798 | ||
db95e218 KR |
3799 | static const struct drm_info_list amdgpu_vbios_dump_list[] = { |
3800 | {"amdgpu_vbios", | |
3801 | amdgpu_debugfs_get_vbios_dump, | |
3802 | 0, NULL}, | |
3803 | }; | |
3804 | ||
db95e218 KR |
3805 | static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev) |
3806 | { | |
3807 | return amdgpu_debugfs_add_files(adev, | |
3808 | amdgpu_vbios_dump_list, 1); | |
3809 | } | |
7cebc728 | 3810 | #else |
27bad5b9 | 3811 | static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) |
4f0955fc HR |
3812 | { |
3813 | return 0; | |
3814 | } | |
7cebc728 AK |
3815 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) |
3816 | { | |
3817 | return 0; | |
3818 | } | |
db95e218 KR |
3819 | static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev) |
3820 | { | |
3821 | return 0; | |
3822 | } | |
7cebc728 | 3823 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } |
d38ceaf9 | 3824 | #endif |