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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" |
d2f52ac8 | 59 | #include "amdgpu_pm.h" |
d38ceaf9 | 60 | |
e2a75f88 | 61 | MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); |
2d2e5e7e | 62 | MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); |
e2a75f88 | 63 | |
2dc80b00 S |
64 | #define AMDGPU_RESUME_MS 2000 |
65 | ||
d38ceaf9 AD |
66 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); |
67 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); | |
4f0955fc | 68 | static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev); |
db95e218 | 69 | static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev); |
d38ceaf9 AD |
70 | |
71 | static const char *amdgpu_asic_name[] = { | |
da69c161 KW |
72 | "TAHITI", |
73 | "PITCAIRN", | |
74 | "VERDE", | |
75 | "OLAND", | |
76 | "HAINAN", | |
d38ceaf9 AD |
77 | "BONAIRE", |
78 | "KAVERI", | |
79 | "KABINI", | |
80 | "HAWAII", | |
81 | "MULLINS", | |
82 | "TOPAZ", | |
83 | "TONGA", | |
48299f95 | 84 | "FIJI", |
d38ceaf9 | 85 | "CARRIZO", |
139f4917 | 86 | "STONEY", |
2cc0c0b5 FC |
87 | "POLARIS10", |
88 | "POLARIS11", | |
c4642a47 | 89 | "POLARIS12", |
d4196f01 | 90 | "VEGA10", |
2ca8a5d2 | 91 | "RAVEN", |
d38ceaf9 AD |
92 | "LAST", |
93 | }; | |
94 | ||
95 | bool amdgpu_device_is_px(struct drm_device *dev) | |
96 | { | |
97 | struct amdgpu_device *adev = dev->dev_private; | |
98 | ||
2f7d10b3 | 99 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
100 | return true; |
101 | return false; | |
102 | } | |
103 | ||
104 | /* | |
105 | * MMIO register access helper functions. | |
106 | */ | |
107 | uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, | |
15d72fd7 | 108 | uint32_t acc_flags) |
d38ceaf9 | 109 | { |
f4b373f4 TSD |
110 | uint32_t ret; |
111 | ||
15d72fd7 | 112 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) { |
bc992ba5 XY |
113 | BUG_ON(in_interrupt()); |
114 | return amdgpu_virt_kiq_rreg(adev, reg); | |
115 | } | |
116 | ||
15d72fd7 | 117 | if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) |
f4b373f4 | 118 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); |
d38ceaf9 AD |
119 | else { |
120 | unsigned long flags; | |
d38ceaf9 AD |
121 | |
122 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
123 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
124 | ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
125 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
d38ceaf9 | 126 | } |
f4b373f4 TSD |
127 | trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret); |
128 | return ret; | |
d38ceaf9 AD |
129 | } |
130 | ||
131 | void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, | |
15d72fd7 | 132 | uint32_t acc_flags) |
d38ceaf9 | 133 | { |
f4b373f4 | 134 | trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); |
4e99a44e | 135 | |
47ed4e1c KW |
136 | if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { |
137 | adev->last_mm_index = v; | |
138 | } | |
139 | ||
15d72fd7 | 140 | if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) { |
bc992ba5 XY |
141 | BUG_ON(in_interrupt()); |
142 | return amdgpu_virt_kiq_wreg(adev, reg, v); | |
143 | } | |
144 | ||
15d72fd7 | 145 | if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) |
d38ceaf9 AD |
146 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); |
147 | else { | |
148 | unsigned long flags; | |
149 | ||
150 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
151 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
152 | writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
153 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
154 | } | |
47ed4e1c KW |
155 | |
156 | if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { | |
157 | udelay(500); | |
158 | } | |
d38ceaf9 AD |
159 | } |
160 | ||
161 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) | |
162 | { | |
163 | if ((reg * 4) < adev->rio_mem_size) | |
164 | return ioread32(adev->rio_mem + (reg * 4)); | |
165 | else { | |
166 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
167 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
168 | } | |
169 | } | |
170 | ||
171 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) | |
172 | { | |
47ed4e1c KW |
173 | if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { |
174 | adev->last_mm_index = v; | |
175 | } | |
d38ceaf9 AD |
176 | |
177 | if ((reg * 4) < adev->rio_mem_size) | |
178 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
179 | else { | |
180 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
181 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
182 | } | |
47ed4e1c KW |
183 | |
184 | if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { | |
185 | udelay(500); | |
186 | } | |
d38ceaf9 AD |
187 | } |
188 | ||
189 | /** | |
190 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
191 | * | |
192 | * @adev: amdgpu_device pointer | |
193 | * @index: doorbell index | |
194 | * | |
195 | * Returns the value in the doorbell aperture at the | |
196 | * requested doorbell index (CIK). | |
197 | */ | |
198 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
199 | { | |
200 | if (index < adev->doorbell.num_doorbells) { | |
201 | return readl(adev->doorbell.ptr + index); | |
202 | } else { | |
203 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
204 | return 0; | |
205 | } | |
206 | } | |
207 | ||
208 | /** | |
209 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
210 | * | |
211 | * @adev: amdgpu_device pointer | |
212 | * @index: doorbell index | |
213 | * @v: value to write | |
214 | * | |
215 | * Writes @v to the doorbell aperture at the | |
216 | * requested doorbell index (CIK). | |
217 | */ | |
218 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
219 | { | |
220 | if (index < adev->doorbell.num_doorbells) { | |
221 | writel(v, adev->doorbell.ptr + index); | |
222 | } else { | |
223 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
224 | } | |
225 | } | |
226 | ||
832be404 KW |
227 | /** |
228 | * amdgpu_mm_rdoorbell64 - read a doorbell Qword | |
229 | * | |
230 | * @adev: amdgpu_device pointer | |
231 | * @index: doorbell index | |
232 | * | |
233 | * Returns the value in the doorbell aperture at the | |
234 | * requested doorbell index (VEGA10+). | |
235 | */ | |
236 | u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) | |
237 | { | |
238 | if (index < adev->doorbell.num_doorbells) { | |
239 | return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); | |
240 | } else { | |
241 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
242 | return 0; | |
243 | } | |
244 | } | |
245 | ||
246 | /** | |
247 | * amdgpu_mm_wdoorbell64 - write a doorbell Qword | |
248 | * | |
249 | * @adev: amdgpu_device pointer | |
250 | * @index: doorbell index | |
251 | * @v: value to write | |
252 | * | |
253 | * Writes @v to the doorbell aperture at the | |
254 | * requested doorbell index (VEGA10+). | |
255 | */ | |
256 | void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) | |
257 | { | |
258 | if (index < adev->doorbell.num_doorbells) { | |
259 | atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); | |
260 | } else { | |
261 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
262 | } | |
263 | } | |
264 | ||
d38ceaf9 AD |
265 | /** |
266 | * amdgpu_invalid_rreg - dummy reg read function | |
267 | * | |
268 | * @adev: amdgpu device pointer | |
269 | * @reg: offset of register | |
270 | * | |
271 | * Dummy register read function. Used for register blocks | |
272 | * that certain asics don't have (all asics). | |
273 | * Returns the value in the register. | |
274 | */ | |
275 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
276 | { | |
277 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
278 | BUG(); | |
279 | return 0; | |
280 | } | |
281 | ||
282 | /** | |
283 | * amdgpu_invalid_wreg - dummy reg write function | |
284 | * | |
285 | * @adev: amdgpu device pointer | |
286 | * @reg: offset of register | |
287 | * @v: value to write to the register | |
288 | * | |
289 | * Dummy register read function. Used for register blocks | |
290 | * that certain asics don't have (all asics). | |
291 | */ | |
292 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
293 | { | |
294 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
295 | reg, v); | |
296 | BUG(); | |
297 | } | |
298 | ||
299 | /** | |
300 | * amdgpu_block_invalid_rreg - dummy reg read function | |
301 | * | |
302 | * @adev: amdgpu device pointer | |
303 | * @block: offset of instance | |
304 | * @reg: offset of register | |
305 | * | |
306 | * Dummy register read function. Used for register blocks | |
307 | * that certain asics don't have (all asics). | |
308 | * Returns the value in the register. | |
309 | */ | |
310 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
311 | uint32_t block, uint32_t reg) | |
312 | { | |
313 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
314 | reg, block); | |
315 | BUG(); | |
316 | return 0; | |
317 | } | |
318 | ||
319 | /** | |
320 | * amdgpu_block_invalid_wreg - dummy reg write function | |
321 | * | |
322 | * @adev: amdgpu device pointer | |
323 | * @block: offset of instance | |
324 | * @reg: offset of register | |
325 | * @v: value to write to the register | |
326 | * | |
327 | * Dummy register read function. Used for register blocks | |
328 | * that certain asics don't have (all asics). | |
329 | */ | |
330 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
331 | uint32_t block, | |
332 | uint32_t reg, uint32_t v) | |
333 | { | |
334 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
335 | reg, block, v); | |
336 | BUG(); | |
337 | } | |
338 | ||
339 | static int amdgpu_vram_scratch_init(struct amdgpu_device *adev) | |
340 | { | |
a4a02777 CK |
341 | return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE, |
342 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, | |
343 | &adev->vram_scratch.robj, | |
344 | &adev->vram_scratch.gpu_addr, | |
345 | (void **)&adev->vram_scratch.ptr); | |
d38ceaf9 AD |
346 | } |
347 | ||
348 | static void amdgpu_vram_scratch_fini(struct amdgpu_device *adev) | |
349 | { | |
078af1a3 | 350 | amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL, NULL); |
d38ceaf9 AD |
351 | } |
352 | ||
353 | /** | |
354 | * amdgpu_program_register_sequence - program an array of registers. | |
355 | * | |
356 | * @adev: amdgpu_device pointer | |
357 | * @registers: pointer to the register array | |
358 | * @array_size: size of the register array | |
359 | * | |
360 | * Programs an array or registers with and and or masks. | |
361 | * This is a helper for setting golden registers. | |
362 | */ | |
363 | void amdgpu_program_register_sequence(struct amdgpu_device *adev, | |
364 | const u32 *registers, | |
365 | const u32 array_size) | |
366 | { | |
367 | u32 tmp, reg, and_mask, or_mask; | |
368 | int i; | |
369 | ||
370 | if (array_size % 3) | |
371 | return; | |
372 | ||
373 | for (i = 0; i < array_size; i +=3) { | |
374 | reg = registers[i + 0]; | |
375 | and_mask = registers[i + 1]; | |
376 | or_mask = registers[i + 2]; | |
377 | ||
378 | if (and_mask == 0xffffffff) { | |
379 | tmp = or_mask; | |
380 | } else { | |
381 | tmp = RREG32(reg); | |
382 | tmp &= ~and_mask; | |
383 | tmp |= or_mask; | |
384 | } | |
385 | WREG32(reg, tmp); | |
386 | } | |
387 | } | |
388 | ||
389 | void amdgpu_pci_config_reset(struct amdgpu_device *adev) | |
390 | { | |
391 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
392 | } | |
393 | ||
394 | /* | |
395 | * GPU doorbell aperture helpers function. | |
396 | */ | |
397 | /** | |
398 | * amdgpu_doorbell_init - Init doorbell driver information. | |
399 | * | |
400 | * @adev: amdgpu_device pointer | |
401 | * | |
402 | * Init doorbell driver information (CIK) | |
403 | * Returns 0 on success, error on failure. | |
404 | */ | |
405 | static int amdgpu_doorbell_init(struct amdgpu_device *adev) | |
406 | { | |
705e519e CK |
407 | /* No doorbell on SI hardware generation */ |
408 | if (adev->asic_type < CHIP_BONAIRE) { | |
409 | adev->doorbell.base = 0; | |
410 | adev->doorbell.size = 0; | |
411 | adev->doorbell.num_doorbells = 0; | |
412 | adev->doorbell.ptr = NULL; | |
413 | return 0; | |
414 | } | |
415 | ||
d38ceaf9 AD |
416 | /* doorbell bar mapping */ |
417 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
418 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
419 | ||
edf600da | 420 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
d38ceaf9 AD |
421 | AMDGPU_DOORBELL_MAX_ASSIGNMENT+1); |
422 | if (adev->doorbell.num_doorbells == 0) | |
423 | return -EINVAL; | |
424 | ||
8972e5d2 CK |
425 | adev->doorbell.ptr = ioremap(adev->doorbell.base, |
426 | adev->doorbell.num_doorbells * | |
427 | sizeof(u32)); | |
428 | if (adev->doorbell.ptr == NULL) | |
d38ceaf9 | 429 | return -ENOMEM; |
d38ceaf9 AD |
430 | |
431 | return 0; | |
432 | } | |
433 | ||
434 | /** | |
435 | * amdgpu_doorbell_fini - Tear down doorbell driver information. | |
436 | * | |
437 | * @adev: amdgpu_device pointer | |
438 | * | |
439 | * Tear down doorbell driver information (CIK) | |
440 | */ | |
441 | static void amdgpu_doorbell_fini(struct amdgpu_device *adev) | |
442 | { | |
443 | iounmap(adev->doorbell.ptr); | |
444 | adev->doorbell.ptr = NULL; | |
445 | } | |
446 | ||
447 | /** | |
448 | * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to | |
449 | * setup amdkfd | |
450 | * | |
451 | * @adev: amdgpu_device pointer | |
452 | * @aperture_base: output returning doorbell aperture base physical address | |
453 | * @aperture_size: output returning doorbell aperture size in bytes | |
454 | * @start_offset: output returning # of doorbell bytes reserved for amdgpu. | |
455 | * | |
456 | * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up, | |
457 | * takes doorbells required for its own rings and reports the setup to amdkfd. | |
458 | * amdgpu reserved doorbells are at the start of the doorbell aperture. | |
459 | */ | |
460 | void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, | |
461 | phys_addr_t *aperture_base, | |
462 | size_t *aperture_size, | |
463 | size_t *start_offset) | |
464 | { | |
465 | /* | |
466 | * The first num_doorbells are used by amdgpu. | |
467 | * amdkfd takes whatever's left in the aperture. | |
468 | */ | |
469 | if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) { | |
470 | *aperture_base = adev->doorbell.base; | |
471 | *aperture_size = adev->doorbell.size; | |
472 | *start_offset = adev->doorbell.num_doorbells * sizeof(u32); | |
473 | } else { | |
474 | *aperture_base = 0; | |
475 | *aperture_size = 0; | |
476 | *start_offset = 0; | |
477 | } | |
478 | } | |
479 | ||
480 | /* | |
481 | * amdgpu_wb_*() | |
455a7bc2 | 482 | * Writeback is the method by which the GPU updates special pages in memory |
ea81a173 | 483 | * with the status of certain GPU events (fences, ring pointers,etc.). |
d38ceaf9 AD |
484 | */ |
485 | ||
486 | /** | |
487 | * amdgpu_wb_fini - Disable Writeback and free memory | |
488 | * | |
489 | * @adev: amdgpu_device pointer | |
490 | * | |
491 | * Disables Writeback and frees the Writeback memory (all asics). | |
492 | * Used at driver shutdown. | |
493 | */ | |
494 | static void amdgpu_wb_fini(struct amdgpu_device *adev) | |
495 | { | |
496 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
497 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
498 | &adev->wb.gpu_addr, | |
499 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
500 | adev->wb.wb_obj = NULL; |
501 | } | |
502 | } | |
503 | ||
504 | /** | |
505 | * amdgpu_wb_init- Init Writeback driver info and allocate memory | |
506 | * | |
507 | * @adev: amdgpu_device pointer | |
508 | * | |
455a7bc2 | 509 | * Initializes writeback and allocates writeback memory (all asics). |
d38ceaf9 AD |
510 | * Used at driver startup. |
511 | * Returns 0 on success or an -error on failure. | |
512 | */ | |
513 | static int amdgpu_wb_init(struct amdgpu_device *adev) | |
514 | { | |
515 | int r; | |
516 | ||
517 | if (adev->wb.wb_obj == NULL) { | |
97407b63 AD |
518 | /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */ |
519 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t) * 8, | |
a76ed485 AD |
520 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
521 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
522 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
523 | if (r) { |
524 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
525 | return r; | |
526 | } | |
d38ceaf9 AD |
527 | |
528 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
529 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
530 | ||
531 | /* clear wb memory */ | |
60a970a6 | 532 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t)); |
d38ceaf9 AD |
533 | } |
534 | ||
535 | return 0; | |
536 | } | |
537 | ||
538 | /** | |
539 | * amdgpu_wb_get - Allocate a wb entry | |
540 | * | |
541 | * @adev: amdgpu_device pointer | |
542 | * @wb: wb index | |
543 | * | |
544 | * Allocate a wb slot for use by the driver (all asics). | |
545 | * Returns 0 on success or -EINVAL on failure. | |
546 | */ | |
547 | int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) | |
548 | { | |
549 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
d38ceaf9 | 550 | |
97407b63 | 551 | if (offset < adev->wb.num_wb) { |
7014285a | 552 | __set_bit(offset, adev->wb.used); |
97407b63 | 553 | *wb = offset * 8; /* convert to dw offset */ |
0915fdbc ML |
554 | return 0; |
555 | } else { | |
556 | return -EINVAL; | |
557 | } | |
558 | } | |
559 | ||
d38ceaf9 AD |
560 | /** |
561 | * amdgpu_wb_free - Free a wb entry | |
562 | * | |
563 | * @adev: amdgpu_device pointer | |
564 | * @wb: wb index | |
565 | * | |
566 | * Free a wb slot allocated for use by the driver (all asics) | |
567 | */ | |
568 | void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb) | |
569 | { | |
570 | if (wb < adev->wb.num_wb) | |
571 | __clear_bit(wb, adev->wb.used); | |
572 | } | |
573 | ||
574 | /** | |
575 | * amdgpu_vram_location - try to find VRAM location | |
576 | * @adev: amdgpu device structure holding all necessary informations | |
577 | * @mc: memory controller structure holding memory informations | |
578 | * @base: base address at which to put VRAM | |
579 | * | |
455a7bc2 | 580 | * Function will try to place VRAM at base address provided |
d38ceaf9 AD |
581 | * as parameter (which is so far either PCI aperture address or |
582 | * for IGP TOM base address). | |
583 | * | |
584 | * If there is not enough space to fit the unvisible VRAM in the 32bits | |
585 | * address space then we limit the VRAM size to the aperture. | |
586 | * | |
587 | * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size, | |
588 | * this shouldn't be a problem as we are using the PCI aperture as a reference. | |
589 | * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but | |
590 | * not IGP. | |
591 | * | |
592 | * Note: we use mc_vram_size as on some board we need to program the mc to | |
593 | * cover the whole aperture even if VRAM size is inferior to aperture size | |
594 | * Novell bug 204882 + along with lots of ubuntu ones | |
595 | * | |
596 | * Note: when limiting vram it's safe to overwritte real_vram_size because | |
597 | * we are not in case where real_vram_size is inferior to mc_vram_size (ie | |
598 | * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu | |
599 | * ones) | |
600 | * | |
601 | * Note: IGP TOM addr should be the same as the aperture addr, we don't | |
455a7bc2 | 602 | * explicitly check for that though. |
d38ceaf9 AD |
603 | * |
604 | * FIXME: when reducing VRAM size align new size on power of 2. | |
605 | */ | |
606 | void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base) | |
607 | { | |
608 | uint64_t limit = (uint64_t)amdgpu_vram_limit << 20; | |
609 | ||
610 | mc->vram_start = base; | |
611 | if (mc->mc_vram_size > (adev->mc.mc_mask - base + 1)) { | |
612 | dev_warn(adev->dev, "limiting VRAM to PCI aperture size\n"); | |
613 | mc->real_vram_size = mc->aper_size; | |
614 | mc->mc_vram_size = mc->aper_size; | |
615 | } | |
616 | mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; | |
617 | if (limit && limit < mc->real_vram_size) | |
618 | mc->real_vram_size = limit; | |
619 | dev_info(adev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n", | |
620 | mc->mc_vram_size >> 20, mc->vram_start, | |
621 | mc->vram_end, mc->real_vram_size >> 20); | |
622 | } | |
623 | ||
624 | /** | |
6f02a696 | 625 | * amdgpu_gart_location - try to find GTT location |
d38ceaf9 AD |
626 | * @adev: amdgpu device structure holding all necessary informations |
627 | * @mc: memory controller structure holding memory informations | |
628 | * | |
629 | * Function will place try to place GTT before or after VRAM. | |
630 | * | |
631 | * If GTT size is bigger than space left then we ajust GTT size. | |
632 | * Thus function will never fails. | |
633 | * | |
634 | * FIXME: when reducing GTT size align new size on power of 2. | |
635 | */ | |
6f02a696 | 636 | void amdgpu_gart_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) |
d38ceaf9 AD |
637 | { |
638 | u64 size_af, size_bf; | |
639 | ||
ed21c047 CK |
640 | size_af = adev->mc.mc_mask - mc->vram_end; |
641 | size_bf = mc->vram_start; | |
d38ceaf9 | 642 | if (size_bf > size_af) { |
6f02a696 | 643 | if (mc->gart_size > size_bf) { |
d38ceaf9 | 644 | dev_warn(adev->dev, "limiting GTT\n"); |
6f02a696 | 645 | mc->gart_size = size_bf; |
d38ceaf9 | 646 | } |
6f02a696 | 647 | mc->gart_start = 0; |
d38ceaf9 | 648 | } else { |
6f02a696 | 649 | if (mc->gart_size > size_af) { |
d38ceaf9 | 650 | dev_warn(adev->dev, "limiting GTT\n"); |
6f02a696 | 651 | mc->gart_size = size_af; |
d38ceaf9 | 652 | } |
6f02a696 | 653 | mc->gart_start = mc->vram_end + 1; |
d38ceaf9 | 654 | } |
6f02a696 | 655 | mc->gart_end = mc->gart_start + mc->gart_size - 1; |
d38ceaf9 | 656 | dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", |
6f02a696 | 657 | mc->gart_size >> 20, mc->gart_start, mc->gart_end); |
d38ceaf9 AD |
658 | } |
659 | ||
a05502e5 HC |
660 | /* |
661 | * Firmware Reservation functions | |
662 | */ | |
663 | /** | |
664 | * amdgpu_fw_reserve_vram_fini - free fw reserved vram | |
665 | * | |
666 | * @adev: amdgpu_device pointer | |
667 | * | |
668 | * free fw reserved vram if it has been reserved. | |
669 | */ | |
670 | void amdgpu_fw_reserve_vram_fini(struct amdgpu_device *adev) | |
671 | { | |
672 | amdgpu_bo_free_kernel(&adev->fw_vram_usage.reserved_bo, | |
673 | NULL, &adev->fw_vram_usage.va); | |
674 | } | |
675 | ||
676 | /** | |
677 | * amdgpu_fw_reserve_vram_init - create bo vram reservation from fw | |
678 | * | |
679 | * @adev: amdgpu_device pointer | |
680 | * | |
681 | * create bo vram reservation from fw. | |
682 | */ | |
683 | int amdgpu_fw_reserve_vram_init(struct amdgpu_device *adev) | |
684 | { | |
685 | int r = 0; | |
686 | u64 gpu_addr; | |
687 | u64 vram_size = adev->mc.visible_vram_size; | |
688 | ||
689 | adev->fw_vram_usage.va = NULL; | |
690 | adev->fw_vram_usage.reserved_bo = NULL; | |
691 | ||
692 | if (adev->fw_vram_usage.size > 0 && | |
693 | adev->fw_vram_usage.size <= vram_size) { | |
694 | ||
695 | r = amdgpu_bo_create(adev, adev->fw_vram_usage.size, | |
696 | PAGE_SIZE, true, 0, | |
697 | AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | | |
698 | AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, NULL, NULL, 0, | |
699 | &adev->fw_vram_usage.reserved_bo); | |
700 | if (r) | |
701 | goto error_create; | |
702 | ||
703 | r = amdgpu_bo_reserve(adev->fw_vram_usage.reserved_bo, false); | |
704 | if (r) | |
705 | goto error_reserve; | |
706 | r = amdgpu_bo_pin_restricted(adev->fw_vram_usage.reserved_bo, | |
707 | AMDGPU_GEM_DOMAIN_VRAM, | |
708 | adev->fw_vram_usage.start_offset, | |
709 | (adev->fw_vram_usage.start_offset + | |
710 | adev->fw_vram_usage.size), &gpu_addr); | |
711 | if (r) | |
712 | goto error_pin; | |
713 | r = amdgpu_bo_kmap(adev->fw_vram_usage.reserved_bo, | |
714 | &adev->fw_vram_usage.va); | |
715 | if (r) | |
716 | goto error_kmap; | |
717 | ||
718 | amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo); | |
719 | } | |
720 | return r; | |
721 | ||
722 | error_kmap: | |
723 | amdgpu_bo_unpin(adev->fw_vram_usage.reserved_bo); | |
724 | error_pin: | |
725 | amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo); | |
726 | error_reserve: | |
727 | amdgpu_bo_unref(&adev->fw_vram_usage.reserved_bo); | |
728 | error_create: | |
729 | adev->fw_vram_usage.va = NULL; | |
730 | adev->fw_vram_usage.reserved_bo = NULL; | |
731 | return r; | |
732 | } | |
733 | ||
734 | ||
d38ceaf9 AD |
735 | /* |
736 | * GPU helpers function. | |
737 | */ | |
738 | /** | |
c836fec5 | 739 | * amdgpu_need_post - check if the hw need post or not |
d38ceaf9 AD |
740 | * |
741 | * @adev: amdgpu_device pointer | |
742 | * | |
c836fec5 JQ |
743 | * Check if the asic has been initialized (all asics) at driver startup |
744 | * or post is needed if hw reset is performed. | |
745 | * Returns true if need or false if not. | |
d38ceaf9 | 746 | */ |
c836fec5 | 747 | bool amdgpu_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
748 | { |
749 | uint32_t reg; | |
750 | ||
c836fec5 JQ |
751 | if (adev->has_hw_reset) { |
752 | adev->has_hw_reset = false; | |
753 | return true; | |
754 | } | |
70d17a25 AD |
755 | |
756 | /* bios scratch used on CIK+ */ | |
757 | if (adev->asic_type >= CHIP_BONAIRE) | |
758 | return amdgpu_atombios_scratch_need_asic_init(adev); | |
759 | ||
760 | /* check MEM_SIZE for older asics */ | |
bbf282d8 | 761 | reg = amdgpu_asic_get_config_memsize(adev); |
d38ceaf9 | 762 | |
f2713e8c | 763 | if ((reg != 0) && (reg != 0xffffffff)) |
c836fec5 | 764 | return false; |
d38ceaf9 | 765 | |
c836fec5 | 766 | return true; |
d38ceaf9 AD |
767 | |
768 | } | |
769 | ||
bec86378 ML |
770 | static bool amdgpu_vpost_needed(struct amdgpu_device *adev) |
771 | { | |
772 | if (amdgpu_sriov_vf(adev)) | |
773 | return false; | |
774 | ||
775 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
776 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
777 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
778 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
779 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
780 | */ |
781 | if (adev->asic_type == CHIP_FIJI) { | |
782 | int err; | |
783 | uint32_t fw_ver; | |
784 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
785 | /* force vPost if error occured */ | |
786 | if (err) | |
787 | return true; | |
788 | ||
789 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
790 | if (fw_ver < 0x00160e00) |
791 | return true; | |
bec86378 | 792 | } |
bec86378 | 793 | } |
c836fec5 | 794 | return amdgpu_need_post(adev); |
bec86378 ML |
795 | } |
796 | ||
d38ceaf9 AD |
797 | /** |
798 | * amdgpu_dummy_page_init - init dummy page used by the driver | |
799 | * | |
800 | * @adev: amdgpu_device pointer | |
801 | * | |
802 | * Allocate the dummy page used by the driver (all asics). | |
803 | * This dummy page is used by the driver as a filler for gart entries | |
804 | * when pages are taken out of the GART | |
805 | * Returns 0 on sucess, -ENOMEM on failure. | |
806 | */ | |
807 | int amdgpu_dummy_page_init(struct amdgpu_device *adev) | |
808 | { | |
809 | if (adev->dummy_page.page) | |
810 | return 0; | |
811 | adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); | |
812 | if (adev->dummy_page.page == NULL) | |
813 | return -ENOMEM; | |
814 | adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page, | |
815 | 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
816 | if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) { | |
817 | dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); | |
818 | __free_page(adev->dummy_page.page); | |
819 | adev->dummy_page.page = NULL; | |
820 | return -ENOMEM; | |
821 | } | |
822 | return 0; | |
823 | } | |
824 | ||
825 | /** | |
826 | * amdgpu_dummy_page_fini - free dummy page used by the driver | |
827 | * | |
828 | * @adev: amdgpu_device pointer | |
829 | * | |
830 | * Frees the dummy page used by the driver (all asics). | |
831 | */ | |
832 | void amdgpu_dummy_page_fini(struct amdgpu_device *adev) | |
833 | { | |
834 | if (adev->dummy_page.page == NULL) | |
835 | return; | |
836 | pci_unmap_page(adev->pdev, adev->dummy_page.addr, | |
837 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
838 | __free_page(adev->dummy_page.page); | |
839 | adev->dummy_page.page = NULL; | |
840 | } | |
841 | ||
842 | ||
843 | /* ATOM accessor methods */ | |
844 | /* | |
845 | * ATOM is an interpreted byte code stored in tables in the vbios. The | |
846 | * driver registers callbacks to access registers and the interpreter | |
847 | * in the driver parses the tables and executes then to program specific | |
848 | * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, | |
849 | * atombios.h, and atom.c | |
850 | */ | |
851 | ||
852 | /** | |
853 | * cail_pll_read - read PLL register | |
854 | * | |
855 | * @info: atom card_info pointer | |
856 | * @reg: PLL register offset | |
857 | * | |
858 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
859 | * Returns the value of the PLL register. | |
860 | */ | |
861 | static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) | |
862 | { | |
863 | return 0; | |
864 | } | |
865 | ||
866 | /** | |
867 | * cail_pll_write - write PLL register | |
868 | * | |
869 | * @info: atom card_info pointer | |
870 | * @reg: PLL register offset | |
871 | * @val: value to write to the pll register | |
872 | * | |
873 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
874 | */ | |
875 | static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) | |
876 | { | |
877 | ||
878 | } | |
879 | ||
880 | /** | |
881 | * cail_mc_read - read MC (Memory Controller) register | |
882 | * | |
883 | * @info: atom card_info pointer | |
884 | * @reg: MC register offset | |
885 | * | |
886 | * Provides an MC register accessor for the atom interpreter (r4xx+). | |
887 | * Returns the value of the MC register. | |
888 | */ | |
889 | static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) | |
890 | { | |
891 | return 0; | |
892 | } | |
893 | ||
894 | /** | |
895 | * cail_mc_write - write MC (Memory Controller) register | |
896 | * | |
897 | * @info: atom card_info pointer | |
898 | * @reg: MC register offset | |
899 | * @val: value to write to the pll register | |
900 | * | |
901 | * Provides a MC register accessor for the atom interpreter (r4xx+). | |
902 | */ | |
903 | static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) | |
904 | { | |
905 | ||
906 | } | |
907 | ||
908 | /** | |
909 | * cail_reg_write - write MMIO register | |
910 | * | |
911 | * @info: atom card_info pointer | |
912 | * @reg: MMIO register offset | |
913 | * @val: value to write to the pll register | |
914 | * | |
915 | * Provides a MMIO register accessor for the atom interpreter (r4xx+). | |
916 | */ | |
917 | static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
918 | { | |
919 | struct amdgpu_device *adev = info->dev->dev_private; | |
920 | ||
921 | WREG32(reg, val); | |
922 | } | |
923 | ||
924 | /** | |
925 | * cail_reg_read - read MMIO register | |
926 | * | |
927 | * @info: atom card_info pointer | |
928 | * @reg: MMIO register offset | |
929 | * | |
930 | * Provides an MMIO register accessor for the atom interpreter (r4xx+). | |
931 | * Returns the value of the MMIO register. | |
932 | */ | |
933 | static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) | |
934 | { | |
935 | struct amdgpu_device *adev = info->dev->dev_private; | |
936 | uint32_t r; | |
937 | ||
938 | r = RREG32(reg); | |
939 | return r; | |
940 | } | |
941 | ||
942 | /** | |
943 | * cail_ioreg_write - write IO register | |
944 | * | |
945 | * @info: atom card_info pointer | |
946 | * @reg: IO register offset | |
947 | * @val: value to write to the pll register | |
948 | * | |
949 | * Provides a IO register accessor for the atom interpreter (r4xx+). | |
950 | */ | |
951 | static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
952 | { | |
953 | struct amdgpu_device *adev = info->dev->dev_private; | |
954 | ||
955 | WREG32_IO(reg, val); | |
956 | } | |
957 | ||
958 | /** | |
959 | * cail_ioreg_read - read IO register | |
960 | * | |
961 | * @info: atom card_info pointer | |
962 | * @reg: IO register offset | |
963 | * | |
964 | * Provides an IO register accessor for the atom interpreter (r4xx+). | |
965 | * Returns the value of the IO register. | |
966 | */ | |
967 | static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg) | |
968 | { | |
969 | struct amdgpu_device *adev = info->dev->dev_private; | |
970 | uint32_t r; | |
971 | ||
972 | r = RREG32_IO(reg); | |
973 | return r; | |
974 | } | |
975 | ||
5b41d94c KR |
976 | static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev, |
977 | struct device_attribute *attr, | |
978 | char *buf) | |
979 | { | |
980 | struct drm_device *ddev = dev_get_drvdata(dev); | |
981 | struct amdgpu_device *adev = ddev->dev_private; | |
982 | struct atom_context *ctx = adev->mode_info.atom_context; | |
983 | ||
984 | return snprintf(buf, PAGE_SIZE, "%s\n", ctx->vbios_version); | |
985 | } | |
986 | ||
987 | static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version, | |
988 | NULL); | |
989 | ||
d38ceaf9 AD |
990 | /** |
991 | * amdgpu_atombios_fini - free the driver info and callbacks for atombios | |
992 | * | |
993 | * @adev: amdgpu_device pointer | |
994 | * | |
995 | * Frees the driver info and register access callbacks for the ATOM | |
996 | * interpreter (r4xx+). | |
997 | * Called at driver shutdown. | |
998 | */ | |
999 | static void amdgpu_atombios_fini(struct amdgpu_device *adev) | |
1000 | { | |
89e0ec9f | 1001 | if (adev->mode_info.atom_context) { |
d38ceaf9 | 1002 | kfree(adev->mode_info.atom_context->scratch); |
89e0ec9f ML |
1003 | kfree(adev->mode_info.atom_context->iio); |
1004 | } | |
d38ceaf9 AD |
1005 | kfree(adev->mode_info.atom_context); |
1006 | adev->mode_info.atom_context = NULL; | |
1007 | kfree(adev->mode_info.atom_card_info); | |
1008 | adev->mode_info.atom_card_info = NULL; | |
5b41d94c | 1009 | device_remove_file(adev->dev, &dev_attr_vbios_version); |
d38ceaf9 AD |
1010 | } |
1011 | ||
1012 | /** | |
1013 | * amdgpu_atombios_init - init the driver info and callbacks for atombios | |
1014 | * | |
1015 | * @adev: amdgpu_device pointer | |
1016 | * | |
1017 | * Initializes the driver info and register access callbacks for the | |
1018 | * ATOM interpreter (r4xx+). | |
1019 | * Returns 0 on sucess, -ENOMEM on failure. | |
1020 | * Called at driver startup. | |
1021 | */ | |
1022 | static int amdgpu_atombios_init(struct amdgpu_device *adev) | |
1023 | { | |
1024 | struct card_info *atom_card_info = | |
1025 | kzalloc(sizeof(struct card_info), GFP_KERNEL); | |
5b41d94c | 1026 | int ret; |
d38ceaf9 AD |
1027 | |
1028 | if (!atom_card_info) | |
1029 | return -ENOMEM; | |
1030 | ||
1031 | adev->mode_info.atom_card_info = atom_card_info; | |
1032 | atom_card_info->dev = adev->ddev; | |
1033 | atom_card_info->reg_read = cail_reg_read; | |
1034 | atom_card_info->reg_write = cail_reg_write; | |
1035 | /* needed for iio ops */ | |
1036 | if (adev->rio_mem) { | |
1037 | atom_card_info->ioreg_read = cail_ioreg_read; | |
1038 | atom_card_info->ioreg_write = cail_ioreg_write; | |
1039 | } else { | |
b64a18c5 | 1040 | DRM_INFO("PCI I/O BAR is not found. Using MMIO to access ATOM BIOS\n"); |
d38ceaf9 AD |
1041 | atom_card_info->ioreg_read = cail_reg_read; |
1042 | atom_card_info->ioreg_write = cail_reg_write; | |
1043 | } | |
1044 | atom_card_info->mc_read = cail_mc_read; | |
1045 | atom_card_info->mc_write = cail_mc_write; | |
1046 | atom_card_info->pll_read = cail_pll_read; | |
1047 | atom_card_info->pll_write = cail_pll_write; | |
1048 | ||
1049 | adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios); | |
1050 | if (!adev->mode_info.atom_context) { | |
1051 | amdgpu_atombios_fini(adev); | |
1052 | return -ENOMEM; | |
1053 | } | |
1054 | ||
1055 | mutex_init(&adev->mode_info.atom_context->mutex); | |
a5bde2f9 AD |
1056 | if (adev->is_atom_fw) { |
1057 | amdgpu_atomfirmware_scratch_regs_init(adev); | |
1058 | amdgpu_atomfirmware_allocate_fb_scratch(adev); | |
1059 | } else { | |
1060 | amdgpu_atombios_scratch_regs_init(adev); | |
1061 | amdgpu_atombios_allocate_fb_scratch(adev); | |
1062 | } | |
5b41d94c KR |
1063 | |
1064 | ret = device_create_file(adev->dev, &dev_attr_vbios_version); | |
1065 | if (ret) { | |
1066 | DRM_ERROR("Failed to create device file for VBIOS version\n"); | |
1067 | return ret; | |
1068 | } | |
1069 | ||
d38ceaf9 AD |
1070 | return 0; |
1071 | } | |
1072 | ||
1073 | /* if we get transitioned to only one device, take VGA back */ | |
1074 | /** | |
1075 | * amdgpu_vga_set_decode - enable/disable vga decode | |
1076 | * | |
1077 | * @cookie: amdgpu_device pointer | |
1078 | * @state: enable/disable vga decode | |
1079 | * | |
1080 | * Enable/disable vga decode (all asics). | |
1081 | * Returns VGA resource flags. | |
1082 | */ | |
1083 | static unsigned int amdgpu_vga_set_decode(void *cookie, bool state) | |
1084 | { | |
1085 | struct amdgpu_device *adev = cookie; | |
1086 | amdgpu_asic_set_vga_state(adev, state); | |
1087 | if (state) | |
1088 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1089 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1090 | else | |
1091 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1092 | } | |
1093 | ||
bab4fee7 | 1094 | static void amdgpu_check_block_size(struct amdgpu_device *adev) |
a1adf8be CZ |
1095 | { |
1096 | /* defines number of bits in page table versus page directory, | |
1097 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1098 | * page table and the remaining bits are in the page directory */ | |
bab4fee7 JZ |
1099 | if (amdgpu_vm_block_size == -1) |
1100 | return; | |
a1adf8be | 1101 | |
bab4fee7 | 1102 | if (amdgpu_vm_block_size < 9) { |
a1adf8be CZ |
1103 | dev_warn(adev->dev, "VM page table size (%d) too small\n", |
1104 | amdgpu_vm_block_size); | |
bab4fee7 | 1105 | goto def_value; |
a1adf8be CZ |
1106 | } |
1107 | ||
1108 | if (amdgpu_vm_block_size > 24 || | |
1109 | (amdgpu_vm_size * 1024) < (1ull << amdgpu_vm_block_size)) { | |
1110 | dev_warn(adev->dev, "VM page table size (%d) too large\n", | |
1111 | amdgpu_vm_block_size); | |
bab4fee7 | 1112 | goto def_value; |
a1adf8be | 1113 | } |
bab4fee7 JZ |
1114 | |
1115 | return; | |
1116 | ||
1117 | def_value: | |
1118 | amdgpu_vm_block_size = -1; | |
a1adf8be CZ |
1119 | } |
1120 | ||
83ca145d ZJ |
1121 | static void amdgpu_check_vm_size(struct amdgpu_device *adev) |
1122 | { | |
64dab074 AD |
1123 | /* no need to check the default value */ |
1124 | if (amdgpu_vm_size == -1) | |
1125 | return; | |
1126 | ||
76117507 | 1127 | if (!is_power_of_2(amdgpu_vm_size)) { |
83ca145d ZJ |
1128 | dev_warn(adev->dev, "VM size (%d) must be a power of 2\n", |
1129 | amdgpu_vm_size); | |
1130 | goto def_value; | |
1131 | } | |
1132 | ||
1133 | if (amdgpu_vm_size < 1) { | |
1134 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
1135 | amdgpu_vm_size); | |
1136 | goto def_value; | |
1137 | } | |
1138 | ||
1139 | /* | |
1140 | * Max GPUVM size for Cayman, SI, CI VI are 40 bits. | |
1141 | */ | |
1142 | if (amdgpu_vm_size > 1024) { | |
1143 | dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n", | |
1144 | amdgpu_vm_size); | |
1145 | goto def_value; | |
1146 | } | |
1147 | ||
1148 | return; | |
1149 | ||
1150 | def_value: | |
bab4fee7 | 1151 | amdgpu_vm_size = -1; |
83ca145d ZJ |
1152 | } |
1153 | ||
d38ceaf9 AD |
1154 | /** |
1155 | * amdgpu_check_arguments - validate module params | |
1156 | * | |
1157 | * @adev: amdgpu_device pointer | |
1158 | * | |
1159 | * Validates certain module parameters and updates | |
1160 | * the associated values used by the driver (all asics). | |
1161 | */ | |
1162 | static void amdgpu_check_arguments(struct amdgpu_device *adev) | |
1163 | { | |
5b011235 CZ |
1164 | if (amdgpu_sched_jobs < 4) { |
1165 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
1166 | amdgpu_sched_jobs); | |
1167 | amdgpu_sched_jobs = 4; | |
76117507 | 1168 | } else if (!is_power_of_2(amdgpu_sched_jobs)){ |
5b011235 CZ |
1169 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", |
1170 | amdgpu_sched_jobs); | |
1171 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
1172 | } | |
d38ceaf9 | 1173 | |
83e74db6 | 1174 | if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) { |
f9321cc4 CK |
1175 | /* gart size must be greater or equal to 32M */ |
1176 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
1177 | amdgpu_gart_size); | |
83e74db6 | 1178 | amdgpu_gart_size = -1; |
d38ceaf9 AD |
1179 | } |
1180 | ||
36d38372 | 1181 | if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) { |
c4e1a13a | 1182 | /* gtt size must be greater or equal to 32M */ |
36d38372 CK |
1183 | dev_warn(adev->dev, "gtt size (%d) too small\n", |
1184 | amdgpu_gtt_size); | |
1185 | amdgpu_gtt_size = -1; | |
d38ceaf9 AD |
1186 | } |
1187 | ||
d07f14be RH |
1188 | /* valid range is between 4 and 9 inclusive */ |
1189 | if (amdgpu_vm_fragment_size != -1 && | |
1190 | (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { | |
1191 | dev_warn(adev->dev, "valid range is between 4 and 9\n"); | |
1192 | amdgpu_vm_fragment_size = -1; | |
1193 | } | |
1194 | ||
83ca145d | 1195 | amdgpu_check_vm_size(adev); |
d38ceaf9 | 1196 | |
bab4fee7 | 1197 | amdgpu_check_block_size(adev); |
6a7f76e7 | 1198 | |
526bae37 | 1199 | if (amdgpu_vram_page_split != -1 && (amdgpu_vram_page_split < 16 || |
76117507 | 1200 | !is_power_of_2(amdgpu_vram_page_split))) { |
6a7f76e7 CK |
1201 | dev_warn(adev->dev, "invalid VRAM page split (%d)\n", |
1202 | amdgpu_vram_page_split); | |
1203 | amdgpu_vram_page_split = 1024; | |
1204 | } | |
d38ceaf9 AD |
1205 | } |
1206 | ||
1207 | /** | |
1208 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1209 | * | |
1210 | * @pdev: pci dev pointer | |
1694467b | 1211 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1212 | * |
1213 | * Callback for the switcheroo driver. Suspends or resumes the | |
1214 | * the asics before or after it is powered up using ACPI methods. | |
1215 | */ | |
1216 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) | |
1217 | { | |
1218 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1219 | ||
1220 | if (amdgpu_device_is_px(dev) && state == VGA_SWITCHEROO_OFF) | |
1221 | return; | |
1222 | ||
1223 | if (state == VGA_SWITCHEROO_ON) { | |
7ca85295 | 1224 | pr_info("amdgpu: switched on\n"); |
d38ceaf9 AD |
1225 | /* don't suspend or resume card normally */ |
1226 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1227 | ||
810ddc3a | 1228 | amdgpu_device_resume(dev, true, true); |
d38ceaf9 | 1229 | |
d38ceaf9 AD |
1230 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
1231 | drm_kms_helper_poll_enable(dev); | |
1232 | } else { | |
7ca85295 | 1233 | pr_info("amdgpu: switched off\n"); |
d38ceaf9 AD |
1234 | drm_kms_helper_poll_disable(dev); |
1235 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
810ddc3a | 1236 | amdgpu_device_suspend(dev, true, true); |
d38ceaf9 AD |
1237 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1238 | } | |
1239 | } | |
1240 | ||
1241 | /** | |
1242 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1243 | * | |
1244 | * @pdev: pci dev pointer | |
1245 | * | |
1246 | * Callback for the switcheroo driver. Check of the switcheroo | |
1247 | * state can be changed. | |
1248 | * Returns true if the state can be changed, false if not. | |
1249 | */ | |
1250 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1251 | { | |
1252 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1253 | ||
1254 | /* | |
1255 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1256 | * locking inversion with the driver load path. And the access here is | |
1257 | * completely racy anyway. So don't bother with locking for now. | |
1258 | */ | |
1259 | return dev->open_count == 0; | |
1260 | } | |
1261 | ||
1262 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1263 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1264 | .reprobe = NULL, | |
1265 | .can_switch = amdgpu_switcheroo_can_switch, | |
1266 | }; | |
1267 | ||
1268 | int amdgpu_set_clockgating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1269 | enum amd_ip_block_type block_type, |
1270 | enum amd_clockgating_state state) | |
d38ceaf9 AD |
1271 | { |
1272 | int i, r = 0; | |
1273 | ||
1274 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1275 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1276 | continue; |
c722865a RZ |
1277 | if (adev->ip_blocks[i].version->type != block_type) |
1278 | continue; | |
1279 | if (!adev->ip_blocks[i].version->funcs->set_clockgating_state) | |
1280 | continue; | |
1281 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state( | |
1282 | (void *)adev, state); | |
1283 | if (r) | |
1284 | DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n", | |
1285 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1286 | } |
1287 | return r; | |
1288 | } | |
1289 | ||
1290 | int amdgpu_set_powergating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1291 | enum amd_ip_block_type block_type, |
1292 | enum amd_powergating_state state) | |
d38ceaf9 AD |
1293 | { |
1294 | int i, r = 0; | |
1295 | ||
1296 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1297 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1298 | continue; |
c722865a RZ |
1299 | if (adev->ip_blocks[i].version->type != block_type) |
1300 | continue; | |
1301 | if (!adev->ip_blocks[i].version->funcs->set_powergating_state) | |
1302 | continue; | |
1303 | r = adev->ip_blocks[i].version->funcs->set_powergating_state( | |
1304 | (void *)adev, state); | |
1305 | if (r) | |
1306 | DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n", | |
1307 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 AD |
1308 | } |
1309 | return r; | |
1310 | } | |
1311 | ||
6cb2d4e4 HR |
1312 | void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) |
1313 | { | |
1314 | int i; | |
1315 | ||
1316 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1317 | if (!adev->ip_blocks[i].status.valid) | |
1318 | continue; | |
1319 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1320 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1321 | } | |
1322 | } | |
1323 | ||
5dbbb60b AD |
1324 | int amdgpu_wait_for_idle(struct amdgpu_device *adev, |
1325 | enum amd_ip_block_type block_type) | |
1326 | { | |
1327 | int i, r; | |
1328 | ||
1329 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1330 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1331 | continue; |
a1255107 AD |
1332 | if (adev->ip_blocks[i].version->type == block_type) { |
1333 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1334 | if (r) |
1335 | return r; | |
1336 | break; | |
1337 | } | |
1338 | } | |
1339 | return 0; | |
1340 | ||
1341 | } | |
1342 | ||
1343 | bool amdgpu_is_idle(struct amdgpu_device *adev, | |
1344 | enum amd_ip_block_type block_type) | |
1345 | { | |
1346 | int i; | |
1347 | ||
1348 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1349 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1350 | continue; |
a1255107 AD |
1351 | if (adev->ip_blocks[i].version->type == block_type) |
1352 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1353 | } |
1354 | return true; | |
1355 | ||
1356 | } | |
1357 | ||
a1255107 AD |
1358 | struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev, |
1359 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1360 | { |
1361 | int i; | |
1362 | ||
1363 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1364 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1365 | return &adev->ip_blocks[i]; |
1366 | ||
1367 | return NULL; | |
1368 | } | |
1369 | ||
1370 | /** | |
1371 | * amdgpu_ip_block_version_cmp | |
1372 | * | |
1373 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1374 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1375 | * @major: major version |
1376 | * @minor: minor version | |
1377 | * | |
1378 | * return 0 if equal or greater | |
1379 | * return 1 if smaller or the ip_block doesn't exist | |
1380 | */ | |
1381 | int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, | |
5fc3aeeb | 1382 | enum amd_ip_block_type type, |
d38ceaf9 AD |
1383 | u32 major, u32 minor) |
1384 | { | |
a1255107 | 1385 | struct amdgpu_ip_block *ip_block = amdgpu_get_ip_block(adev, type); |
d38ceaf9 | 1386 | |
a1255107 AD |
1387 | if (ip_block && ((ip_block->version->major > major) || |
1388 | ((ip_block->version->major == major) && | |
1389 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1390 | return 0; |
1391 | ||
1392 | return 1; | |
1393 | } | |
1394 | ||
a1255107 AD |
1395 | /** |
1396 | * amdgpu_ip_block_add | |
1397 | * | |
1398 | * @adev: amdgpu_device pointer | |
1399 | * @ip_block_version: pointer to the IP to add | |
1400 | * | |
1401 | * Adds the IP block driver information to the collection of IPs | |
1402 | * on the asic. | |
1403 | */ | |
1404 | int amdgpu_ip_block_add(struct amdgpu_device *adev, | |
1405 | const struct amdgpu_ip_block_version *ip_block_version) | |
1406 | { | |
1407 | if (!ip_block_version) | |
1408 | return -EINVAL; | |
1409 | ||
a0bae357 HR |
1410 | DRM_DEBUG("add ip block number %d <%s>\n", adev->num_ip_blocks, |
1411 | ip_block_version->funcs->name); | |
1412 | ||
a1255107 AD |
1413 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; |
1414 | ||
1415 | return 0; | |
1416 | } | |
1417 | ||
483ef985 | 1418 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1419 | { |
1420 | adev->enable_virtual_display = false; | |
1421 | ||
1422 | if (amdgpu_virtual_display) { | |
1423 | struct drm_device *ddev = adev->ddev; | |
1424 | const char *pci_address_name = pci_name(ddev->pdev); | |
0f66356d | 1425 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1426 | |
1427 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1428 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1429 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1430 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1431 | if (!strcmp("all", pciaddname) |
1432 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1433 | long num_crtc; |
1434 | int res = -1; | |
1435 | ||
9accf2fd | 1436 | adev->enable_virtual_display = true; |
0f66356d ED |
1437 | |
1438 | if (pciaddname_tmp) | |
1439 | res = kstrtol(pciaddname_tmp, 10, | |
1440 | &num_crtc); | |
1441 | ||
1442 | if (!res) { | |
1443 | if (num_crtc < 1) | |
1444 | num_crtc = 1; | |
1445 | if (num_crtc > 6) | |
1446 | num_crtc = 6; | |
1447 | adev->mode_info.num_crtc = num_crtc; | |
1448 | } else { | |
1449 | adev->mode_info.num_crtc = 1; | |
1450 | } | |
9accf2fd ED |
1451 | break; |
1452 | } | |
1453 | } | |
1454 | ||
0f66356d ED |
1455 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1456 | amdgpu_virtual_display, pci_address_name, | |
1457 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1458 | |
1459 | kfree(pciaddstr); | |
1460 | } | |
1461 | } | |
1462 | ||
e2a75f88 AD |
1463 | static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) |
1464 | { | |
e2a75f88 AD |
1465 | const char *chip_name; |
1466 | char fw_name[30]; | |
1467 | int err; | |
1468 | const struct gpu_info_firmware_header_v1_0 *hdr; | |
1469 | ||
ab4fe3e1 HR |
1470 | adev->firmware.gpu_info_fw = NULL; |
1471 | ||
e2a75f88 AD |
1472 | switch (adev->asic_type) { |
1473 | case CHIP_TOPAZ: | |
1474 | case CHIP_TONGA: | |
1475 | case CHIP_FIJI: | |
1476 | case CHIP_POLARIS11: | |
1477 | case CHIP_POLARIS10: | |
1478 | case CHIP_POLARIS12: | |
1479 | case CHIP_CARRIZO: | |
1480 | case CHIP_STONEY: | |
1481 | #ifdef CONFIG_DRM_AMDGPU_SI | |
1482 | case CHIP_VERDE: | |
1483 | case CHIP_TAHITI: | |
1484 | case CHIP_PITCAIRN: | |
1485 | case CHIP_OLAND: | |
1486 | case CHIP_HAINAN: | |
1487 | #endif | |
1488 | #ifdef CONFIG_DRM_AMDGPU_CIK | |
1489 | case CHIP_BONAIRE: | |
1490 | case CHIP_HAWAII: | |
1491 | case CHIP_KAVERI: | |
1492 | case CHIP_KABINI: | |
1493 | case CHIP_MULLINS: | |
1494 | #endif | |
1495 | default: | |
1496 | return 0; | |
1497 | case CHIP_VEGA10: | |
1498 | chip_name = "vega10"; | |
1499 | break; | |
2d2e5e7e AD |
1500 | case CHIP_RAVEN: |
1501 | chip_name = "raven"; | |
1502 | break; | |
e2a75f88 AD |
1503 | } |
1504 | ||
1505 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); | |
ab4fe3e1 | 1506 | err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev); |
e2a75f88 AD |
1507 | if (err) { |
1508 | dev_err(adev->dev, | |
1509 | "Failed to load gpu_info firmware \"%s\"\n", | |
1510 | fw_name); | |
1511 | goto out; | |
1512 | } | |
ab4fe3e1 | 1513 | err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw); |
e2a75f88 AD |
1514 | if (err) { |
1515 | dev_err(adev->dev, | |
1516 | "Failed to validate gpu_info firmware \"%s\"\n", | |
1517 | fw_name); | |
1518 | goto out; | |
1519 | } | |
1520 | ||
ab4fe3e1 | 1521 | hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data; |
e2a75f88 AD |
1522 | amdgpu_ucode_print_gpu_info_hdr(&hdr->header); |
1523 | ||
1524 | switch (hdr->version_major) { | |
1525 | case 1: | |
1526 | { | |
1527 | const struct gpu_info_firmware_v1_0 *gpu_info_fw = | |
ab4fe3e1 | 1528 | (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + |
e2a75f88 AD |
1529 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
1530 | ||
b5ab16bf AD |
1531 | adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); |
1532 | adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh); | |
1533 | adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se); | |
1534 | adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se); | |
e2a75f88 | 1535 | adev->gfx.config.max_texture_channel_caches = |
b5ab16bf AD |
1536 | le32_to_cpu(gpu_info_fw->gc_num_tccs); |
1537 | adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs); | |
1538 | adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds); | |
1539 | adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth); | |
1540 | adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth); | |
e2a75f88 | 1541 | adev->gfx.config.double_offchip_lds_buf = |
b5ab16bf AD |
1542 | le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer); |
1543 | adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size); | |
51fd0370 HZ |
1544 | adev->gfx.cu_info.max_waves_per_simd = |
1545 | le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd); | |
1546 | adev->gfx.cu_info.max_scratch_slots_per_cu = | |
1547 | le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu); | |
1548 | adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size); | |
e2a75f88 AD |
1549 | break; |
1550 | } | |
1551 | default: | |
1552 | dev_err(adev->dev, | |
1553 | "Unsupported gpu_info table %d\n", hdr->header.ucode_version); | |
1554 | err = -EINVAL; | |
1555 | goto out; | |
1556 | } | |
1557 | out: | |
e2a75f88 AD |
1558 | return err; |
1559 | } | |
1560 | ||
d38ceaf9 AD |
1561 | static int amdgpu_early_init(struct amdgpu_device *adev) |
1562 | { | |
aaa36a97 | 1563 | int i, r; |
d38ceaf9 | 1564 | |
483ef985 | 1565 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 1566 | |
d38ceaf9 | 1567 | switch (adev->asic_type) { |
aaa36a97 AD |
1568 | case CHIP_TOPAZ: |
1569 | case CHIP_TONGA: | |
48299f95 | 1570 | case CHIP_FIJI: |
2cc0c0b5 FC |
1571 | case CHIP_POLARIS11: |
1572 | case CHIP_POLARIS10: | |
c4642a47 | 1573 | case CHIP_POLARIS12: |
aaa36a97 | 1574 | case CHIP_CARRIZO: |
39bb0c92 SL |
1575 | case CHIP_STONEY: |
1576 | if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) | |
aaa36a97 AD |
1577 | adev->family = AMDGPU_FAMILY_CZ; |
1578 | else | |
1579 | adev->family = AMDGPU_FAMILY_VI; | |
1580 | ||
1581 | r = vi_set_ip_blocks(adev); | |
1582 | if (r) | |
1583 | return r; | |
1584 | break; | |
33f34802 KW |
1585 | #ifdef CONFIG_DRM_AMDGPU_SI |
1586 | case CHIP_VERDE: | |
1587 | case CHIP_TAHITI: | |
1588 | case CHIP_PITCAIRN: | |
1589 | case CHIP_OLAND: | |
1590 | case CHIP_HAINAN: | |
295d0daf | 1591 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
1592 | r = si_set_ip_blocks(adev); |
1593 | if (r) | |
1594 | return r; | |
1595 | break; | |
1596 | #endif | |
a2e73f56 AD |
1597 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1598 | case CHIP_BONAIRE: | |
1599 | case CHIP_HAWAII: | |
1600 | case CHIP_KAVERI: | |
1601 | case CHIP_KABINI: | |
1602 | case CHIP_MULLINS: | |
1603 | if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII)) | |
1604 | adev->family = AMDGPU_FAMILY_CI; | |
1605 | else | |
1606 | adev->family = AMDGPU_FAMILY_KV; | |
1607 | ||
1608 | r = cik_set_ip_blocks(adev); | |
1609 | if (r) | |
1610 | return r; | |
1611 | break; | |
1612 | #endif | |
2ca8a5d2 CZ |
1613 | case CHIP_VEGA10: |
1614 | case CHIP_RAVEN: | |
1615 | if (adev->asic_type == CHIP_RAVEN) | |
1616 | adev->family = AMDGPU_FAMILY_RV; | |
1617 | else | |
1618 | adev->family = AMDGPU_FAMILY_AI; | |
460826e6 KW |
1619 | |
1620 | r = soc15_set_ip_blocks(adev); | |
1621 | if (r) | |
1622 | return r; | |
1623 | break; | |
d38ceaf9 AD |
1624 | default: |
1625 | /* FIXME: not supported yet */ | |
1626 | return -EINVAL; | |
1627 | } | |
1628 | ||
e2a75f88 AD |
1629 | r = amdgpu_device_parse_gpu_info_fw(adev); |
1630 | if (r) | |
1631 | return r; | |
1632 | ||
3149d9da XY |
1633 | if (amdgpu_sriov_vf(adev)) { |
1634 | r = amdgpu_virt_request_full_gpu(adev, true); | |
1635 | if (r) | |
1636 | return r; | |
1637 | } | |
1638 | ||
d38ceaf9 AD |
1639 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1640 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
ed8cf00c HR |
1641 | DRM_ERROR("disabled ip block: %d <%s>\n", |
1642 | i, adev->ip_blocks[i].version->funcs->name); | |
a1255107 | 1643 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 1644 | } else { |
a1255107 AD |
1645 | if (adev->ip_blocks[i].version->funcs->early_init) { |
1646 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 1647 | if (r == -ENOENT) { |
a1255107 | 1648 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 1649 | } else if (r) { |
a1255107 AD |
1650 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
1651 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1652 | return r; |
2c1a2784 | 1653 | } else { |
a1255107 | 1654 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 1655 | } |
974e6b64 | 1656 | } else { |
a1255107 | 1657 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 1658 | } |
d38ceaf9 AD |
1659 | } |
1660 | } | |
1661 | ||
395d1fb9 NH |
1662 | adev->cg_flags &= amdgpu_cg_mask; |
1663 | adev->pg_flags &= amdgpu_pg_mask; | |
1664 | ||
d38ceaf9 AD |
1665 | return 0; |
1666 | } | |
1667 | ||
1668 | static int amdgpu_init(struct amdgpu_device *adev) | |
1669 | { | |
1670 | int i, r; | |
1671 | ||
1672 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1673 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1674 | continue; |
a1255107 | 1675 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 1676 | if (r) { |
a1255107 AD |
1677 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
1678 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1679 | return r; |
2c1a2784 | 1680 | } |
a1255107 | 1681 | adev->ip_blocks[i].status.sw = true; |
46967c22 | 1682 | |
d38ceaf9 | 1683 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 1684 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 | 1685 | r = amdgpu_vram_scratch_init(adev); |
2c1a2784 AD |
1686 | if (r) { |
1687 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
d38ceaf9 | 1688 | return r; |
2c1a2784 | 1689 | } |
a1255107 | 1690 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
1691 | if (r) { |
1692 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
d38ceaf9 | 1693 | return r; |
2c1a2784 | 1694 | } |
d38ceaf9 | 1695 | r = amdgpu_wb_init(adev); |
2c1a2784 AD |
1696 | if (r) { |
1697 | DRM_ERROR("amdgpu_wb_init failed %d\n", r); | |
d38ceaf9 | 1698 | return r; |
2c1a2784 | 1699 | } |
a1255107 | 1700 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
1701 | |
1702 | /* right after GMC hw init, we create CSA */ | |
1703 | if (amdgpu_sriov_vf(adev)) { | |
1704 | r = amdgpu_allocate_static_csa(adev); | |
1705 | if (r) { | |
1706 | DRM_ERROR("allocate CSA failed %d\n", r); | |
1707 | return r; | |
1708 | } | |
1709 | } | |
d38ceaf9 AD |
1710 | } |
1711 | } | |
1712 | ||
46967c22 RZ |
1713 | mutex_lock(&adev->firmware.mutex); |
1714 | if (amdgpu_ucode_init_bo(adev)) | |
1715 | adev->firmware.load_type = AMDGPU_FW_LOAD_DIRECT; | |
1716 | mutex_unlock(&adev->firmware.mutex); | |
1717 | ||
d38ceaf9 | 1718 | for (i = 0; i < adev->num_ip_blocks; i++) { |
a1255107 | 1719 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 AD |
1720 | continue; |
1721 | /* gmc hw init is done early */ | |
a1255107 | 1722 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) |
d38ceaf9 | 1723 | continue; |
a1255107 | 1724 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 | 1725 | if (r) { |
a1255107 AD |
1726 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", |
1727 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1728 | return r; |
2c1a2784 | 1729 | } |
a1255107 | 1730 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
1731 | } |
1732 | ||
1733 | return 0; | |
1734 | } | |
1735 | ||
0c49e0b8 CZ |
1736 | static void amdgpu_fill_reset_magic(struct amdgpu_device *adev) |
1737 | { | |
1738 | memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM); | |
1739 | } | |
1740 | ||
1741 | static bool amdgpu_check_vram_lost(struct amdgpu_device *adev) | |
1742 | { | |
1743 | return !!memcmp(adev->gart.ptr, adev->reset_magic, | |
1744 | AMDGPU_RESET_MAGIC_NUM); | |
1745 | } | |
1746 | ||
2dc80b00 | 1747 | static int amdgpu_late_set_cg_state(struct amdgpu_device *adev) |
d38ceaf9 AD |
1748 | { |
1749 | int i = 0, r; | |
1750 | ||
1751 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1752 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1753 | continue; |
4a446d55 | 1754 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 AD |
1755 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
1756 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) { | |
4a446d55 | 1757 | /* enable clockgating to save power */ |
a1255107 AD |
1758 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1759 | AMD_CG_STATE_GATE); | |
4a446d55 AD |
1760 | if (r) { |
1761 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 1762 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
1763 | return r; |
1764 | } | |
b0b00ff1 | 1765 | } |
d38ceaf9 | 1766 | } |
2dc80b00 S |
1767 | return 0; |
1768 | } | |
1769 | ||
1770 | static int amdgpu_late_init(struct amdgpu_device *adev) | |
1771 | { | |
1772 | int i = 0, r; | |
1773 | ||
1774 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1775 | if (!adev->ip_blocks[i].status.valid) | |
1776 | continue; | |
1777 | if (adev->ip_blocks[i].version->funcs->late_init) { | |
1778 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
1779 | if (r) { | |
1780 | DRM_ERROR("late_init of IP block <%s> failed %d\n", | |
1781 | adev->ip_blocks[i].version->funcs->name, r); | |
1782 | return r; | |
1783 | } | |
1784 | adev->ip_blocks[i].status.late_initialized = true; | |
1785 | } | |
1786 | } | |
1787 | ||
1788 | mod_delayed_work(system_wq, &adev->late_init_work, | |
1789 | msecs_to_jiffies(AMDGPU_RESUME_MS)); | |
d38ceaf9 | 1790 | |
0c49e0b8 | 1791 | amdgpu_fill_reset_magic(adev); |
d38ceaf9 AD |
1792 | |
1793 | return 0; | |
1794 | } | |
1795 | ||
1796 | static int amdgpu_fini(struct amdgpu_device *adev) | |
1797 | { | |
1798 | int i, r; | |
1799 | ||
3e96dbfd AD |
1800 | /* need to disable SMC first */ |
1801 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1802 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 1803 | continue; |
a1255107 | 1804 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
3e96dbfd | 1805 | /* ungate blocks before hw fini so that we can shutdown the blocks safely */ |
a1255107 AD |
1806 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1807 | AMD_CG_STATE_UNGATE); | |
3e96dbfd AD |
1808 | if (r) { |
1809 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", | |
a1255107 | 1810 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd AD |
1811 | return r; |
1812 | } | |
a1255107 | 1813 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
1814 | /* XXX handle errors */ |
1815 | if (r) { | |
1816 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 1817 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 1818 | } |
a1255107 | 1819 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
1820 | break; |
1821 | } | |
1822 | } | |
1823 | ||
d38ceaf9 | 1824 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1825 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 1826 | continue; |
a1255107 | 1827 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 AD |
1828 | amdgpu_wb_fini(adev); |
1829 | amdgpu_vram_scratch_fini(adev); | |
1830 | } | |
8201a67a RZ |
1831 | |
1832 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
1833 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) { | |
1834 | /* ungate blocks before hw fini so that we can shutdown the blocks safely */ | |
1835 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, | |
1836 | AMD_CG_STATE_UNGATE); | |
1837 | if (r) { | |
1838 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", | |
1839 | adev->ip_blocks[i].version->funcs->name, r); | |
1840 | return r; | |
1841 | } | |
2c1a2784 | 1842 | } |
8201a67a | 1843 | |
a1255107 | 1844 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 1845 | /* XXX handle errors */ |
2c1a2784 | 1846 | if (r) { |
a1255107 AD |
1847 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
1848 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1849 | } |
8201a67a | 1850 | |
a1255107 | 1851 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 | 1852 | } |
46967c22 RZ |
1853 | if (adev->firmware.load_type != AMDGPU_FW_LOAD_DIRECT) |
1854 | amdgpu_ucode_fini_bo(adev); | |
d38ceaf9 AD |
1855 | |
1856 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
a1255107 | 1857 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 1858 | continue; |
a1255107 | 1859 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 1860 | /* XXX handle errors */ |
2c1a2784 | 1861 | if (r) { |
a1255107 AD |
1862 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
1863 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1864 | } |
a1255107 AD |
1865 | adev->ip_blocks[i].status.sw = false; |
1866 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
1867 | } |
1868 | ||
a6dcfd9c | 1869 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1870 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 1871 | continue; |
a1255107 AD |
1872 | if (adev->ip_blocks[i].version->funcs->late_fini) |
1873 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
1874 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
1875 | } |
1876 | ||
030308fc | 1877 | if (amdgpu_sriov_vf(adev)) |
3149d9da | 1878 | amdgpu_virt_release_full_gpu(adev, false); |
2493664f | 1879 | |
d38ceaf9 AD |
1880 | return 0; |
1881 | } | |
1882 | ||
2dc80b00 S |
1883 | static void amdgpu_late_init_func_handler(struct work_struct *work) |
1884 | { | |
1885 | struct amdgpu_device *adev = | |
1886 | container_of(work, struct amdgpu_device, late_init_work.work); | |
1887 | amdgpu_late_set_cg_state(adev); | |
1888 | } | |
1889 | ||
faefba95 | 1890 | int amdgpu_suspend(struct amdgpu_device *adev) |
d38ceaf9 AD |
1891 | { |
1892 | int i, r; | |
1893 | ||
e941ea99 XY |
1894 | if (amdgpu_sriov_vf(adev)) |
1895 | amdgpu_virt_request_full_gpu(adev, false); | |
1896 | ||
c5a93a28 FC |
1897 | /* ungate SMC block first */ |
1898 | r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, | |
1899 | AMD_CG_STATE_UNGATE); | |
1900 | if (r) { | |
1901 | DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n",r); | |
1902 | } | |
1903 | ||
d38ceaf9 | 1904 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1905 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 AD |
1906 | continue; |
1907 | /* ungate blocks so that suspend can properly shut them down */ | |
c5a93a28 | 1908 | if (i != AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 AD |
1909 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1910 | AMD_CG_STATE_UNGATE); | |
c5a93a28 | 1911 | if (r) { |
a1255107 AD |
1912 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", |
1913 | adev->ip_blocks[i].version->funcs->name, r); | |
c5a93a28 | 1914 | } |
2c1a2784 | 1915 | } |
d38ceaf9 | 1916 | /* XXX handle errors */ |
a1255107 | 1917 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 1918 | /* XXX handle errors */ |
2c1a2784 | 1919 | if (r) { |
a1255107 AD |
1920 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
1921 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1922 | } |
d38ceaf9 AD |
1923 | } |
1924 | ||
e941ea99 XY |
1925 | if (amdgpu_sriov_vf(adev)) |
1926 | amdgpu_virt_release_full_gpu(adev, false); | |
1927 | ||
d38ceaf9 AD |
1928 | return 0; |
1929 | } | |
1930 | ||
e4f0fdcc | 1931 | static int amdgpu_sriov_reinit_early(struct amdgpu_device *adev) |
a90ad3c2 ML |
1932 | { |
1933 | int i, r; | |
1934 | ||
2cb681b6 ML |
1935 | static enum amd_ip_block_type ip_order[] = { |
1936 | AMD_IP_BLOCK_TYPE_GMC, | |
1937 | AMD_IP_BLOCK_TYPE_COMMON, | |
2cb681b6 ML |
1938 | AMD_IP_BLOCK_TYPE_IH, |
1939 | }; | |
a90ad3c2 | 1940 | |
2cb681b6 ML |
1941 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
1942 | int j; | |
1943 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 1944 | |
2cb681b6 ML |
1945 | for (j = 0; j < adev->num_ip_blocks; j++) { |
1946 | block = &adev->ip_blocks[j]; | |
1947 | ||
1948 | if (block->version->type != ip_order[i] || | |
1949 | !block->status.valid) | |
1950 | continue; | |
1951 | ||
1952 | r = block->version->funcs->hw_init(adev); | |
1953 | DRM_INFO("RE-INIT: %s %s\n", block->version->funcs->name, r?"failed":"successed"); | |
a90ad3c2 ML |
1954 | } |
1955 | } | |
1956 | ||
1957 | return 0; | |
1958 | } | |
1959 | ||
e4f0fdcc | 1960 | static int amdgpu_sriov_reinit_late(struct amdgpu_device *adev) |
a90ad3c2 ML |
1961 | { |
1962 | int i, r; | |
1963 | ||
2cb681b6 ML |
1964 | static enum amd_ip_block_type ip_order[] = { |
1965 | AMD_IP_BLOCK_TYPE_SMC, | |
1966 | AMD_IP_BLOCK_TYPE_DCE, | |
1967 | AMD_IP_BLOCK_TYPE_GFX, | |
1968 | AMD_IP_BLOCK_TYPE_SDMA, | |
257deb8c FM |
1969 | AMD_IP_BLOCK_TYPE_UVD, |
1970 | AMD_IP_BLOCK_TYPE_VCE | |
2cb681b6 | 1971 | }; |
a90ad3c2 | 1972 | |
2cb681b6 ML |
1973 | for (i = 0; i < ARRAY_SIZE(ip_order); i++) { |
1974 | int j; | |
1975 | struct amdgpu_ip_block *block; | |
a90ad3c2 | 1976 | |
2cb681b6 ML |
1977 | for (j = 0; j < adev->num_ip_blocks; j++) { |
1978 | block = &adev->ip_blocks[j]; | |
1979 | ||
1980 | if (block->version->type != ip_order[i] || | |
1981 | !block->status.valid) | |
1982 | continue; | |
1983 | ||
1984 | r = block->version->funcs->hw_init(adev); | |
1985 | DRM_INFO("RE-INIT: %s %s\n", block->version->funcs->name, r?"failed":"successed"); | |
a90ad3c2 ML |
1986 | } |
1987 | } | |
1988 | ||
1989 | return 0; | |
1990 | } | |
1991 | ||
fcf0649f | 1992 | static int amdgpu_resume_phase1(struct amdgpu_device *adev) |
d38ceaf9 AD |
1993 | { |
1994 | int i, r; | |
1995 | ||
a90ad3c2 ML |
1996 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1997 | if (!adev->ip_blocks[i].status.valid) | |
1998 | continue; | |
a90ad3c2 ML |
1999 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
2000 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
fcf0649f CZ |
2001 | adev->ip_blocks[i].version->type == |
2002 | AMD_IP_BLOCK_TYPE_IH) { | |
2003 | r = adev->ip_blocks[i].version->funcs->resume(adev); | |
2004 | if (r) { | |
2005 | DRM_ERROR("resume of IP block <%s> failed %d\n", | |
2006 | adev->ip_blocks[i].version->funcs->name, r); | |
2007 | return r; | |
2008 | } | |
a90ad3c2 ML |
2009 | } |
2010 | } | |
2011 | ||
2012 | return 0; | |
2013 | } | |
2014 | ||
fcf0649f | 2015 | static int amdgpu_resume_phase2(struct amdgpu_device *adev) |
d38ceaf9 AD |
2016 | { |
2017 | int i, r; | |
2018 | ||
2019 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2020 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 2021 | continue; |
fcf0649f CZ |
2022 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || |
2023 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || | |
2024 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ) | |
2025 | continue; | |
a1255107 | 2026 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 2027 | if (r) { |
a1255107 AD |
2028 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
2029 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 2030 | return r; |
2c1a2784 | 2031 | } |
d38ceaf9 AD |
2032 | } |
2033 | ||
2034 | return 0; | |
2035 | } | |
2036 | ||
fcf0649f CZ |
2037 | static int amdgpu_resume(struct amdgpu_device *adev) |
2038 | { | |
2039 | int r; | |
2040 | ||
2041 | r = amdgpu_resume_phase1(adev); | |
2042 | if (r) | |
2043 | return r; | |
2044 | r = amdgpu_resume_phase2(adev); | |
2045 | ||
2046 | return r; | |
2047 | } | |
2048 | ||
4e99a44e | 2049 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 2050 | { |
a5bde2f9 AD |
2051 | if (adev->is_atom_fw) { |
2052 | if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) | |
2053 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2054 | } else { | |
2055 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) | |
2056 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; | |
2057 | } | |
048765ad AR |
2058 | } |
2059 | ||
d38ceaf9 AD |
2060 | /** |
2061 | * amdgpu_device_init - initialize the driver | |
2062 | * | |
2063 | * @adev: amdgpu_device pointer | |
2064 | * @pdev: drm dev pointer | |
2065 | * @pdev: pci dev pointer | |
2066 | * @flags: driver flags | |
2067 | * | |
2068 | * Initializes the driver info and hw (all asics). | |
2069 | * Returns 0 for success or an error on failure. | |
2070 | * Called at driver startup. | |
2071 | */ | |
2072 | int amdgpu_device_init(struct amdgpu_device *adev, | |
2073 | struct drm_device *ddev, | |
2074 | struct pci_dev *pdev, | |
2075 | uint32_t flags) | |
2076 | { | |
2077 | int r, i; | |
2078 | bool runtime = false; | |
95844d20 | 2079 | u32 max_MBps; |
d38ceaf9 AD |
2080 | |
2081 | adev->shutdown = false; | |
2082 | adev->dev = &pdev->dev; | |
2083 | adev->ddev = ddev; | |
2084 | adev->pdev = pdev; | |
2085 | adev->flags = flags; | |
2f7d10b3 | 2086 | adev->asic_type = flags & AMD_ASIC_MASK; |
d38ceaf9 | 2087 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
6f02a696 | 2088 | adev->mc.gart_size = 512 * 1024 * 1024; |
d38ceaf9 AD |
2089 | adev->accel_working = false; |
2090 | adev->num_rings = 0; | |
2091 | adev->mman.buffer_funcs = NULL; | |
2092 | adev->mman.buffer_funcs_ring = NULL; | |
2093 | adev->vm_manager.vm_pte_funcs = NULL; | |
2d55e45a | 2094 | adev->vm_manager.vm_pte_num_rings = 0; |
d38ceaf9 | 2095 | adev->gart.gart_funcs = NULL; |
f54d1867 | 2096 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
d38ceaf9 AD |
2097 | |
2098 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
2099 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
2100 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
2101 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
2102 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
2103 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
2104 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
2105 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
2106 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
2107 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
2108 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
2109 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
2110 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
2111 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
2112 | ||
ccdbb20a | 2113 | |
3e39ab90 AD |
2114 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
2115 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
2116 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
2117 | |
2118 | /* mutex initialization are all done here so we | |
2119 | * can recall function without having locking issues */ | |
d38ceaf9 | 2120 | atomic_set(&adev->irq.ih.lock, 0); |
0e5ca0d1 | 2121 | mutex_init(&adev->firmware.mutex); |
d38ceaf9 AD |
2122 | mutex_init(&adev->pm.mutex); |
2123 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
2124 | mutex_init(&adev->srbm_mutex); | |
2125 | mutex_init(&adev->grbm_idx_mutex); | |
d38ceaf9 | 2126 | mutex_init(&adev->mn_lock); |
e23b74aa | 2127 | mutex_init(&adev->virt.vf_errors.lock); |
d38ceaf9 AD |
2128 | hash_init(adev->mn_hash); |
2129 | ||
2130 | amdgpu_check_arguments(adev); | |
2131 | ||
d38ceaf9 AD |
2132 | spin_lock_init(&adev->mmio_idx_lock); |
2133 | spin_lock_init(&adev->smc_idx_lock); | |
2134 | spin_lock_init(&adev->pcie_idx_lock); | |
2135 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
2136 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 2137 | spin_lock_init(&adev->gc_cac_idx_lock); |
16abb5d2 | 2138 | spin_lock_init(&adev->se_cac_idx_lock); |
d38ceaf9 | 2139 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 2140 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 2141 | |
0c4e7fa5 CZ |
2142 | INIT_LIST_HEAD(&adev->shadow_list); |
2143 | mutex_init(&adev->shadow_list_lock); | |
2144 | ||
5c1354bd CZ |
2145 | INIT_LIST_HEAD(&adev->gtt_list); |
2146 | spin_lock_init(&adev->gtt_list_lock); | |
2147 | ||
795f2813 AR |
2148 | INIT_LIST_HEAD(&adev->ring_lru_list); |
2149 | spin_lock_init(&adev->ring_lru_list_lock); | |
2150 | ||
2dc80b00 S |
2151 | INIT_DELAYED_WORK(&adev->late_init_work, amdgpu_late_init_func_handler); |
2152 | ||
0fa49558 AX |
2153 | /* Registers mapping */ |
2154 | /* TODO: block userspace mapping of io register */ | |
da69c161 KW |
2155 | if (adev->asic_type >= CHIP_BONAIRE) { |
2156 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
2157 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
2158 | } else { | |
2159 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
2160 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
2161 | } | |
d38ceaf9 | 2162 | |
d38ceaf9 AD |
2163 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
2164 | if (adev->rmmio == NULL) { | |
2165 | return -ENOMEM; | |
2166 | } | |
2167 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
2168 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
2169 | ||
705e519e CK |
2170 | /* doorbell bar mapping */ |
2171 | amdgpu_doorbell_init(adev); | |
d38ceaf9 AD |
2172 | |
2173 | /* io port mapping */ | |
2174 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
2175 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
2176 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
2177 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
2178 | break; | |
2179 | } | |
2180 | } | |
2181 | if (adev->rio_mem == NULL) | |
b64a18c5 | 2182 | DRM_INFO("PCI I/O BAR is not found.\n"); |
d38ceaf9 AD |
2183 | |
2184 | /* early init functions */ | |
2185 | r = amdgpu_early_init(adev); | |
2186 | if (r) | |
2187 | return r; | |
2188 | ||
2189 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ | |
2190 | /* this will fail for cards that aren't VGA class devices, just | |
2191 | * ignore it */ | |
2192 | vga_client_register(adev->pdev, adev, NULL, amdgpu_vga_set_decode); | |
2193 | ||
2194 | if (amdgpu_runtime_pm == 1) | |
2195 | runtime = true; | |
e9bef455 | 2196 | if (amdgpu_device_is_px(ddev)) |
d38ceaf9 | 2197 | runtime = true; |
84c8b22e LW |
2198 | if (!pci_is_thunderbolt_attached(adev->pdev)) |
2199 | vga_switcheroo_register_client(adev->pdev, | |
2200 | &amdgpu_switcheroo_ops, runtime); | |
d38ceaf9 AD |
2201 | if (runtime) |
2202 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); | |
2203 | ||
2204 | /* Read BIOS */ | |
83ba126a AD |
2205 | if (!amdgpu_get_bios(adev)) { |
2206 | r = -EINVAL; | |
2207 | goto failed; | |
2208 | } | |
f7e9e9fe | 2209 | |
d38ceaf9 | 2210 | r = amdgpu_atombios_init(adev); |
2c1a2784 AD |
2211 | if (r) { |
2212 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
e23b74aa | 2213 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); |
83ba126a | 2214 | goto failed; |
2c1a2784 | 2215 | } |
d38ceaf9 | 2216 | |
4e99a44e ML |
2217 | /* detect if we are with an SRIOV vbios */ |
2218 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 2219 | |
d38ceaf9 | 2220 | /* Post card if necessary */ |
bec86378 | 2221 | if (amdgpu_vpost_needed(adev)) { |
d38ceaf9 | 2222 | if (!adev->bios) { |
bec86378 | 2223 | dev_err(adev->dev, "no vBIOS found\n"); |
e23b74aa | 2224 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0); |
83ba126a AD |
2225 | r = -EINVAL; |
2226 | goto failed; | |
d38ceaf9 | 2227 | } |
bec86378 | 2228 | DRM_INFO("GPU posting now...\n"); |
4e99a44e ML |
2229 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
2230 | if (r) { | |
2231 | dev_err(adev->dev, "gpu post error!\n"); | |
e23b74aa | 2232 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_POST_ERROR, 0, 0); |
4e99a44e ML |
2233 | goto failed; |
2234 | } | |
2235 | } else { | |
2236 | DRM_INFO("GPU post is not needed\n"); | |
d38ceaf9 AD |
2237 | } |
2238 | ||
88b64e95 AD |
2239 | if (adev->is_atom_fw) { |
2240 | /* Initialize clocks */ | |
2241 | r = amdgpu_atomfirmware_get_clock_info(adev); | |
2242 | if (r) { | |
2243 | dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n"); | |
e23b74aa | 2244 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
88b64e95 AD |
2245 | goto failed; |
2246 | } | |
2247 | } else { | |
a5bde2f9 AD |
2248 | /* Initialize clocks */ |
2249 | r = amdgpu_atombios_get_clock_info(adev); | |
2250 | if (r) { | |
2251 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
e23b74aa | 2252 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0); |
89041940 | 2253 | goto failed; |
a5bde2f9 AD |
2254 | } |
2255 | /* init i2c buses */ | |
2256 | amdgpu_atombios_i2c_init(adev); | |
2c1a2784 | 2257 | } |
d38ceaf9 AD |
2258 | |
2259 | /* Fence driver */ | |
2260 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
2261 | if (r) { |
2262 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
e23b74aa | 2263 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); |
83ba126a | 2264 | goto failed; |
2c1a2784 | 2265 | } |
d38ceaf9 AD |
2266 | |
2267 | /* init the mode config */ | |
2268 | drm_mode_config_init(adev->ddev); | |
2269 | ||
2270 | r = amdgpu_init(adev); | |
2271 | if (r) { | |
2c1a2784 | 2272 | dev_err(adev->dev, "amdgpu_init failed\n"); |
e23b74aa | 2273 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); |
d38ceaf9 | 2274 | amdgpu_fini(adev); |
83ba126a | 2275 | goto failed; |
d38ceaf9 AD |
2276 | } |
2277 | ||
2278 | adev->accel_working = true; | |
2279 | ||
e59c0205 AX |
2280 | amdgpu_vm_check_compute_bug(adev); |
2281 | ||
95844d20 MO |
2282 | /* Initialize the buffer migration limit. */ |
2283 | if (amdgpu_moverate >= 0) | |
2284 | max_MBps = amdgpu_moverate; | |
2285 | else | |
2286 | max_MBps = 8; /* Allow 8 MB/s. */ | |
2287 | /* Get a log2 for easy divisions. */ | |
2288 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
2289 | ||
d38ceaf9 AD |
2290 | r = amdgpu_ib_pool_init(adev); |
2291 | if (r) { | |
2292 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
e23b74aa | 2293 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r); |
83ba126a | 2294 | goto failed; |
d38ceaf9 AD |
2295 | } |
2296 | ||
2297 | r = amdgpu_ib_ring_tests(adev); | |
2298 | if (r) | |
2299 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2300 | ||
9bc92b9c ML |
2301 | amdgpu_fbdev_init(adev); |
2302 | ||
d2f52ac8 RZ |
2303 | r = amdgpu_pm_sysfs_init(adev); |
2304 | if (r) | |
2305 | DRM_ERROR("registering pm debugfs failed (%d).\n", r); | |
2306 | ||
d38ceaf9 | 2307 | r = amdgpu_gem_debugfs_init(adev); |
3f14e623 | 2308 | if (r) |
d38ceaf9 | 2309 | DRM_ERROR("registering gem debugfs failed (%d).\n", r); |
d38ceaf9 AD |
2310 | |
2311 | r = amdgpu_debugfs_regs_init(adev); | |
3f14e623 | 2312 | if (r) |
d38ceaf9 | 2313 | DRM_ERROR("registering register debugfs failed (%d).\n", r); |
d38ceaf9 | 2314 | |
4f0955fc HR |
2315 | r = amdgpu_debugfs_test_ib_ring_init(adev); |
2316 | if (r) | |
2317 | DRM_ERROR("registering register test ib ring debugfs failed (%d).\n", r); | |
2318 | ||
50ab2533 | 2319 | r = amdgpu_debugfs_firmware_init(adev); |
3f14e623 | 2320 | if (r) |
50ab2533 | 2321 | DRM_ERROR("registering firmware debugfs failed (%d).\n", r); |
50ab2533 | 2322 | |
db95e218 KR |
2323 | r = amdgpu_debugfs_vbios_dump_init(adev); |
2324 | if (r) | |
2325 | DRM_ERROR("Creating vbios dump debugfs failed (%d).\n", r); | |
2326 | ||
d38ceaf9 AD |
2327 | if ((amdgpu_testing & 1)) { |
2328 | if (adev->accel_working) | |
2329 | amdgpu_test_moves(adev); | |
2330 | else | |
2331 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
2332 | } | |
d38ceaf9 AD |
2333 | if (amdgpu_benchmarking) { |
2334 | if (adev->accel_working) | |
2335 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
2336 | else | |
2337 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
2338 | } | |
2339 | ||
2340 | /* enable clockgating, etc. after ib tests, etc. since some blocks require | |
2341 | * explicit gating rather than handling it automatically. | |
2342 | */ | |
2343 | r = amdgpu_late_init(adev); | |
2c1a2784 AD |
2344 | if (r) { |
2345 | dev_err(adev->dev, "amdgpu_late_init failed\n"); | |
e23b74aa | 2346 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); |
83ba126a | 2347 | goto failed; |
2c1a2784 | 2348 | } |
d38ceaf9 AD |
2349 | |
2350 | return 0; | |
83ba126a AD |
2351 | |
2352 | failed: | |
89041940 | 2353 | amdgpu_vf_error_trans_all(adev); |
83ba126a AD |
2354 | if (runtime) |
2355 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
2356 | return r; | |
d38ceaf9 AD |
2357 | } |
2358 | ||
d38ceaf9 AD |
2359 | /** |
2360 | * amdgpu_device_fini - tear down the driver | |
2361 | * | |
2362 | * @adev: amdgpu_device pointer | |
2363 | * | |
2364 | * Tear down the driver info (all asics). | |
2365 | * Called at driver shutdown. | |
2366 | */ | |
2367 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
2368 | { | |
2369 | int r; | |
2370 | ||
2371 | DRM_INFO("amdgpu: finishing device.\n"); | |
2372 | adev->shutdown = true; | |
db2c2a97 PD |
2373 | if (adev->mode_info.mode_config_initialized) |
2374 | drm_crtc_force_disable_all(adev->ddev); | |
d38ceaf9 AD |
2375 | /* evict vram memory */ |
2376 | amdgpu_bo_evict_vram(adev); | |
2377 | amdgpu_ib_pool_fini(adev); | |
a05502e5 | 2378 | amdgpu_fw_reserve_vram_fini(adev); |
d38ceaf9 AD |
2379 | amdgpu_fence_driver_fini(adev); |
2380 | amdgpu_fbdev_fini(adev); | |
2381 | r = amdgpu_fini(adev); | |
ab4fe3e1 HR |
2382 | if (adev->firmware.gpu_info_fw) { |
2383 | release_firmware(adev->firmware.gpu_info_fw); | |
2384 | adev->firmware.gpu_info_fw = NULL; | |
2385 | } | |
d38ceaf9 | 2386 | adev->accel_working = false; |
2dc80b00 | 2387 | cancel_delayed_work_sync(&adev->late_init_work); |
d38ceaf9 AD |
2388 | /* free i2c buses */ |
2389 | amdgpu_i2c_fini(adev); | |
2390 | amdgpu_atombios_fini(adev); | |
2391 | kfree(adev->bios); | |
2392 | adev->bios = NULL; | |
84c8b22e LW |
2393 | if (!pci_is_thunderbolt_attached(adev->pdev)) |
2394 | vga_switcheroo_unregister_client(adev->pdev); | |
83ba126a AD |
2395 | if (adev->flags & AMD_IS_PX) |
2396 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
d38ceaf9 AD |
2397 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
2398 | if (adev->rio_mem) | |
2399 | pci_iounmap(adev->pdev, adev->rio_mem); | |
2400 | adev->rio_mem = NULL; | |
2401 | iounmap(adev->rmmio); | |
2402 | adev->rmmio = NULL; | |
705e519e | 2403 | amdgpu_doorbell_fini(adev); |
d2f52ac8 | 2404 | amdgpu_pm_sysfs_fini(adev); |
d38ceaf9 | 2405 | amdgpu_debugfs_regs_cleanup(adev); |
d38ceaf9 AD |
2406 | } |
2407 | ||
2408 | ||
2409 | /* | |
2410 | * Suspend & resume. | |
2411 | */ | |
2412 | /** | |
810ddc3a | 2413 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 AD |
2414 | * |
2415 | * @pdev: drm dev pointer | |
2416 | * @state: suspend state | |
2417 | * | |
2418 | * Puts the hw in the suspend state (all asics). | |
2419 | * Returns 0 for success or an error on failure. | |
2420 | * Called at driver suspend. | |
2421 | */ | |
810ddc3a | 2422 | int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) |
d38ceaf9 AD |
2423 | { |
2424 | struct amdgpu_device *adev; | |
2425 | struct drm_crtc *crtc; | |
2426 | struct drm_connector *connector; | |
5ceb54c6 | 2427 | int r; |
d38ceaf9 AD |
2428 | |
2429 | if (dev == NULL || dev->dev_private == NULL) { | |
2430 | return -ENODEV; | |
2431 | } | |
2432 | ||
2433 | adev = dev->dev_private; | |
2434 | ||
2435 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
2436 | return 0; | |
2437 | ||
2438 | drm_kms_helper_poll_disable(dev); | |
2439 | ||
2440 | /* turn off display hw */ | |
4c7fbc39 | 2441 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
2442 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2443 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
2444 | } | |
4c7fbc39 | 2445 | drm_modeset_unlock_all(dev); |
d38ceaf9 | 2446 | |
ba997709 YZ |
2447 | amdgpu_amdkfd_suspend(adev); |
2448 | ||
756e6880 | 2449 | /* unpin the front buffers and cursors */ |
d38ceaf9 | 2450 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
756e6880 | 2451 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); |
d38ceaf9 AD |
2452 | struct amdgpu_framebuffer *rfb = to_amdgpu_framebuffer(crtc->primary->fb); |
2453 | struct amdgpu_bo *robj; | |
2454 | ||
756e6880 AD |
2455 | if (amdgpu_crtc->cursor_bo) { |
2456 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
7a6901d7 | 2457 | r = amdgpu_bo_reserve(aobj, true); |
756e6880 AD |
2458 | if (r == 0) { |
2459 | amdgpu_bo_unpin(aobj); | |
2460 | amdgpu_bo_unreserve(aobj); | |
2461 | } | |
2462 | } | |
2463 | ||
d38ceaf9 AD |
2464 | if (rfb == NULL || rfb->obj == NULL) { |
2465 | continue; | |
2466 | } | |
2467 | robj = gem_to_amdgpu_bo(rfb->obj); | |
2468 | /* don't unpin kernel fb objects */ | |
2469 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
7a6901d7 | 2470 | r = amdgpu_bo_reserve(robj, true); |
d38ceaf9 AD |
2471 | if (r == 0) { |
2472 | amdgpu_bo_unpin(robj); | |
2473 | amdgpu_bo_unreserve(robj); | |
2474 | } | |
2475 | } | |
2476 | } | |
2477 | /* evict vram memory */ | |
2478 | amdgpu_bo_evict_vram(adev); | |
2479 | ||
5ceb54c6 | 2480 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 AD |
2481 | |
2482 | r = amdgpu_suspend(adev); | |
2483 | ||
a0a71e49 AD |
2484 | /* evict remaining vram memory |
2485 | * This second call to evict vram is to evict the gart page table | |
2486 | * using the CPU. | |
2487 | */ | |
d38ceaf9 AD |
2488 | amdgpu_bo_evict_vram(adev); |
2489 | ||
d05da0e2 | 2490 | amdgpu_atombios_scratch_regs_save(adev); |
d38ceaf9 AD |
2491 | pci_save_state(dev->pdev); |
2492 | if (suspend) { | |
2493 | /* Shut down the device */ | |
2494 | pci_disable_device(dev->pdev); | |
2495 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
74b0b157 | 2496 | } else { |
2497 | r = amdgpu_asic_reset(adev); | |
2498 | if (r) | |
2499 | DRM_ERROR("amdgpu asic reset failed\n"); | |
d38ceaf9 AD |
2500 | } |
2501 | ||
2502 | if (fbcon) { | |
2503 | console_lock(); | |
2504 | amdgpu_fbdev_set_suspend(adev, 1); | |
2505 | console_unlock(); | |
2506 | } | |
2507 | return 0; | |
2508 | } | |
2509 | ||
2510 | /** | |
810ddc3a | 2511 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 AD |
2512 | * |
2513 | * @pdev: drm dev pointer | |
2514 | * | |
2515 | * Bring the hw back to operating state (all asics). | |
2516 | * Returns 0 for success or an error on failure. | |
2517 | * Called at driver resume. | |
2518 | */ | |
810ddc3a | 2519 | int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) |
d38ceaf9 AD |
2520 | { |
2521 | struct drm_connector *connector; | |
2522 | struct amdgpu_device *adev = dev->dev_private; | |
756e6880 | 2523 | struct drm_crtc *crtc; |
03161a6e | 2524 | int r = 0; |
d38ceaf9 AD |
2525 | |
2526 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
2527 | return 0; | |
2528 | ||
74b0b157 | 2529 | if (fbcon) |
d38ceaf9 | 2530 | console_lock(); |
74b0b157 | 2531 | |
d38ceaf9 AD |
2532 | if (resume) { |
2533 | pci_set_power_state(dev->pdev, PCI_D0); | |
2534 | pci_restore_state(dev->pdev); | |
74b0b157 | 2535 | r = pci_enable_device(dev->pdev); |
03161a6e HR |
2536 | if (r) |
2537 | goto unlock; | |
d38ceaf9 | 2538 | } |
d05da0e2 | 2539 | amdgpu_atombios_scratch_regs_restore(adev); |
d38ceaf9 AD |
2540 | |
2541 | /* post card */ | |
c836fec5 | 2542 | if (amdgpu_need_post(adev)) { |
74b0b157 | 2543 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
2544 | if (r) | |
2545 | DRM_ERROR("amdgpu asic init failed\n"); | |
2546 | } | |
d38ceaf9 AD |
2547 | |
2548 | r = amdgpu_resume(adev); | |
e6707218 | 2549 | if (r) { |
ca198528 | 2550 | DRM_ERROR("amdgpu_resume failed (%d).\n", r); |
03161a6e | 2551 | goto unlock; |
e6707218 | 2552 | } |
5ceb54c6 AD |
2553 | amdgpu_fence_driver_resume(adev); |
2554 | ||
ca198528 FC |
2555 | if (resume) { |
2556 | r = amdgpu_ib_ring_tests(adev); | |
2557 | if (r) | |
2558 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2559 | } | |
d38ceaf9 AD |
2560 | |
2561 | r = amdgpu_late_init(adev); | |
03161a6e HR |
2562 | if (r) |
2563 | goto unlock; | |
d38ceaf9 | 2564 | |
756e6880 AD |
2565 | /* pin cursors */ |
2566 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2567 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
2568 | ||
2569 | if (amdgpu_crtc->cursor_bo) { | |
2570 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
7a6901d7 | 2571 | r = amdgpu_bo_reserve(aobj, true); |
756e6880 AD |
2572 | if (r == 0) { |
2573 | r = amdgpu_bo_pin(aobj, | |
2574 | AMDGPU_GEM_DOMAIN_VRAM, | |
2575 | &amdgpu_crtc->cursor_addr); | |
2576 | if (r != 0) | |
2577 | DRM_ERROR("Failed to pin cursor BO (%d)\n", r); | |
2578 | amdgpu_bo_unreserve(aobj); | |
2579 | } | |
2580 | } | |
2581 | } | |
ba997709 YZ |
2582 | r = amdgpu_amdkfd_resume(adev); |
2583 | if (r) | |
2584 | return r; | |
756e6880 | 2585 | |
d38ceaf9 AD |
2586 | /* blat the mode back in */ |
2587 | if (fbcon) { | |
2588 | drm_helper_resume_force_mode(dev); | |
2589 | /* turn on display hw */ | |
4c7fbc39 | 2590 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
2591 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2592 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); | |
2593 | } | |
4c7fbc39 | 2594 | drm_modeset_unlock_all(dev); |
d38ceaf9 AD |
2595 | } |
2596 | ||
2597 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 L |
2598 | |
2599 | /* | |
2600 | * Most of the connector probing functions try to acquire runtime pm | |
2601 | * refs to ensure that the GPU is powered on when connector polling is | |
2602 | * performed. Since we're calling this from a runtime PM callback, | |
2603 | * trying to acquire rpm refs will cause us to deadlock. | |
2604 | * | |
2605 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
2606 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
2607 | */ | |
2608 | #ifdef CONFIG_PM | |
2609 | dev->dev->power.disable_depth++; | |
2610 | #endif | |
54fb2a5c | 2611 | drm_helper_hpd_irq_event(dev); |
23a1a9e5 L |
2612 | #ifdef CONFIG_PM |
2613 | dev->dev->power.disable_depth--; | |
2614 | #endif | |
d38ceaf9 | 2615 | |
03161a6e | 2616 | if (fbcon) |
d38ceaf9 | 2617 | amdgpu_fbdev_set_suspend(adev, 0); |
03161a6e HR |
2618 | |
2619 | unlock: | |
2620 | if (fbcon) | |
d38ceaf9 | 2621 | console_unlock(); |
d38ceaf9 | 2622 | |
03161a6e | 2623 | return r; |
d38ceaf9 AD |
2624 | } |
2625 | ||
63fbf42f CZ |
2626 | static bool amdgpu_check_soft_reset(struct amdgpu_device *adev) |
2627 | { | |
2628 | int i; | |
2629 | bool asic_hang = false; | |
2630 | ||
2631 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2632 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 2633 | continue; |
a1255107 AD |
2634 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
2635 | adev->ip_blocks[i].status.hang = | |
2636 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
2637 | if (adev->ip_blocks[i].status.hang) { | |
2638 | DRM_INFO("IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); | |
63fbf42f CZ |
2639 | asic_hang = true; |
2640 | } | |
2641 | } | |
2642 | return asic_hang; | |
2643 | } | |
2644 | ||
4d446656 | 2645 | static int amdgpu_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
2646 | { |
2647 | int i, r = 0; | |
2648 | ||
2649 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2650 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 2651 | continue; |
a1255107 AD |
2652 | if (adev->ip_blocks[i].status.hang && |
2653 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
2654 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
2655 | if (r) |
2656 | return r; | |
2657 | } | |
2658 | } | |
2659 | ||
2660 | return 0; | |
2661 | } | |
2662 | ||
35d782fe CZ |
2663 | static bool amdgpu_need_full_reset(struct amdgpu_device *adev) |
2664 | { | |
da146d3b AD |
2665 | int i; |
2666 | ||
2667 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2668 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 2669 | continue; |
a1255107 AD |
2670 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
2671 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
2672 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
98512bb8 KW |
2673 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || |
2674 | adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { | |
a1255107 | 2675 | if (adev->ip_blocks[i].status.hang) { |
da146d3b AD |
2676 | DRM_INFO("Some block need full reset!\n"); |
2677 | return true; | |
2678 | } | |
2679 | } | |
35d782fe CZ |
2680 | } |
2681 | return false; | |
2682 | } | |
2683 | ||
2684 | static int amdgpu_soft_reset(struct amdgpu_device *adev) | |
2685 | { | |
2686 | int i, r = 0; | |
2687 | ||
2688 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2689 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 2690 | continue; |
a1255107 AD |
2691 | if (adev->ip_blocks[i].status.hang && |
2692 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
2693 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
2694 | if (r) |
2695 | return r; | |
2696 | } | |
2697 | } | |
2698 | ||
2699 | return 0; | |
2700 | } | |
2701 | ||
2702 | static int amdgpu_post_soft_reset(struct amdgpu_device *adev) | |
2703 | { | |
2704 | int i, r = 0; | |
2705 | ||
2706 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2707 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 2708 | continue; |
a1255107 AD |
2709 | if (adev->ip_blocks[i].status.hang && |
2710 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
2711 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
2712 | if (r) |
2713 | return r; | |
2714 | } | |
2715 | ||
2716 | return 0; | |
2717 | } | |
2718 | ||
3ad81f16 CZ |
2719 | bool amdgpu_need_backup(struct amdgpu_device *adev) |
2720 | { | |
2721 | if (adev->flags & AMD_IS_APU) | |
2722 | return false; | |
2723 | ||
2724 | return amdgpu_lockup_timeout > 0 ? true : false; | |
2725 | } | |
2726 | ||
53cdccd5 CZ |
2727 | static int amdgpu_recover_vram_from_shadow(struct amdgpu_device *adev, |
2728 | struct amdgpu_ring *ring, | |
2729 | struct amdgpu_bo *bo, | |
f54d1867 | 2730 | struct dma_fence **fence) |
53cdccd5 CZ |
2731 | { |
2732 | uint32_t domain; | |
2733 | int r; | |
2734 | ||
23d2e504 RH |
2735 | if (!bo->shadow) |
2736 | return 0; | |
2737 | ||
1d284797 | 2738 | r = amdgpu_bo_reserve(bo, true); |
23d2e504 RH |
2739 | if (r) |
2740 | return r; | |
2741 | domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); | |
2742 | /* if bo has been evicted, then no need to recover */ | |
2743 | if (domain == AMDGPU_GEM_DOMAIN_VRAM) { | |
82521316 RH |
2744 | r = amdgpu_bo_validate(bo->shadow); |
2745 | if (r) { | |
2746 | DRM_ERROR("bo validate failed!\n"); | |
2747 | goto err; | |
2748 | } | |
2749 | ||
23d2e504 | 2750 | r = amdgpu_bo_restore_from_shadow(adev, ring, bo, |
53cdccd5 | 2751 | NULL, fence, true); |
23d2e504 RH |
2752 | if (r) { |
2753 | DRM_ERROR("recover page table failed!\n"); | |
2754 | goto err; | |
2755 | } | |
2756 | } | |
53cdccd5 | 2757 | err: |
23d2e504 RH |
2758 | amdgpu_bo_unreserve(bo); |
2759 | return r; | |
53cdccd5 CZ |
2760 | } |
2761 | ||
a90ad3c2 ML |
2762 | /** |
2763 | * amdgpu_sriov_gpu_reset - reset the asic | |
2764 | * | |
2765 | * @adev: amdgpu device pointer | |
7225f873 | 2766 | * @job: which job trigger hang |
a90ad3c2 ML |
2767 | * |
2768 | * Attempt the reset the GPU if it has hung (all asics). | |
2769 | * for SRIOV case. | |
2770 | * Returns 0 for success or an error on failure. | |
2771 | */ | |
7225f873 | 2772 | int amdgpu_sriov_gpu_reset(struct amdgpu_device *adev, struct amdgpu_job *job) |
a90ad3c2 | 2773 | { |
65781c78 | 2774 | int i, j, r = 0; |
a90ad3c2 ML |
2775 | int resched; |
2776 | struct amdgpu_bo *bo, *tmp; | |
2777 | struct amdgpu_ring *ring; | |
2778 | struct dma_fence *fence = NULL, *next = NULL; | |
2779 | ||
147b5983 | 2780 | mutex_lock(&adev->virt.lock_reset); |
a90ad3c2 | 2781 | atomic_inc(&adev->gpu_reset_counter); |
3224a12b | 2782 | adev->in_sriov_reset = true; |
a90ad3c2 ML |
2783 | |
2784 | /* block TTM */ | |
2785 | resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); | |
2786 | ||
65781c78 ML |
2787 | /* we start from the ring trigger GPU hang */ |
2788 | j = job ? job->ring->idx : 0; | |
a90ad3c2 | 2789 | |
65781c78 ML |
2790 | /* block scheduler */ |
2791 | for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) { | |
2792 | ring = adev->rings[i % AMDGPU_MAX_RINGS]; | |
a90ad3c2 ML |
2793 | if (!ring || !ring->sched.thread) |
2794 | continue; | |
2795 | ||
2796 | kthread_park(ring->sched.thread); | |
65781c78 ML |
2797 | |
2798 | if (job && j != i) | |
2799 | continue; | |
2800 | ||
4f059ecd | 2801 | /* here give the last chance to check if job removed from mirror-list |
65781c78 | 2802 | * since we already pay some time on kthread_park */ |
4f059ecd | 2803 | if (job && list_empty(&job->base.node)) { |
65781c78 ML |
2804 | kthread_unpark(ring->sched.thread); |
2805 | goto give_up_reset; | |
2806 | } | |
2807 | ||
2808 | if (amd_sched_invalidate_job(&job->base, amdgpu_job_hang_limit)) | |
2809 | amd_sched_job_kickout(&job->base); | |
2810 | ||
2811 | /* only do job_reset on the hang ring if @job not NULL */ | |
a90ad3c2 | 2812 | amd_sched_hw_job_reset(&ring->sched); |
a90ad3c2 | 2813 | |
65781c78 ML |
2814 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
2815 | amdgpu_fence_driver_force_completion_ring(ring); | |
2816 | } | |
a90ad3c2 ML |
2817 | |
2818 | /* request to take full control of GPU before re-initialization */ | |
7225f873 | 2819 | if (job) |
a90ad3c2 ML |
2820 | amdgpu_virt_reset_gpu(adev); |
2821 | else | |
2822 | amdgpu_virt_request_full_gpu(adev, true); | |
2823 | ||
2824 | ||
2825 | /* Resume IP prior to SMC */ | |
e4f0fdcc | 2826 | amdgpu_sriov_reinit_early(adev); |
a90ad3c2 ML |
2827 | |
2828 | /* we need recover gart prior to run SMC/CP/SDMA resume */ | |
2829 | amdgpu_ttm_recover_gart(adev); | |
2830 | ||
2831 | /* now we are okay to resume SMC/CP/SDMA */ | |
e4f0fdcc | 2832 | amdgpu_sriov_reinit_late(adev); |
a90ad3c2 ML |
2833 | |
2834 | amdgpu_irq_gpu_reset_resume_helper(adev); | |
2835 | ||
2836 | if (amdgpu_ib_ring_tests(adev)) | |
2837 | dev_err(adev->dev, "[GPU_RESET] ib ring test failed (%d).\n", r); | |
2838 | ||
2839 | /* release full control of GPU after ib test */ | |
2840 | amdgpu_virt_release_full_gpu(adev, true); | |
2841 | ||
2842 | DRM_INFO("recover vram bo from shadow\n"); | |
2843 | ||
2844 | ring = adev->mman.buffer_funcs_ring; | |
2845 | mutex_lock(&adev->shadow_list_lock); | |
2846 | list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) { | |
236763d3 | 2847 | next = NULL; |
a90ad3c2 ML |
2848 | amdgpu_recover_vram_from_shadow(adev, ring, bo, &next); |
2849 | if (fence) { | |
2850 | r = dma_fence_wait(fence, false); | |
2851 | if (r) { | |
2852 | WARN(r, "recovery from shadow isn't completed\n"); | |
2853 | break; | |
2854 | } | |
2855 | } | |
2856 | ||
2857 | dma_fence_put(fence); | |
2858 | fence = next; | |
2859 | } | |
2860 | mutex_unlock(&adev->shadow_list_lock); | |
2861 | ||
2862 | if (fence) { | |
2863 | r = dma_fence_wait(fence, false); | |
2864 | if (r) | |
2865 | WARN(r, "recovery from shadow isn't completed\n"); | |
2866 | } | |
2867 | dma_fence_put(fence); | |
2868 | ||
65781c78 ML |
2869 | for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) { |
2870 | ring = adev->rings[i % AMDGPU_MAX_RINGS]; | |
a90ad3c2 ML |
2871 | if (!ring || !ring->sched.thread) |
2872 | continue; | |
2873 | ||
65781c78 ML |
2874 | if (job && j != i) { |
2875 | kthread_unpark(ring->sched.thread); | |
2876 | continue; | |
2877 | } | |
2878 | ||
a90ad3c2 ML |
2879 | amd_sched_job_recovery(&ring->sched); |
2880 | kthread_unpark(ring->sched.thread); | |
2881 | } | |
2882 | ||
2883 | drm_helper_resume_force_mode(adev->ddev); | |
65781c78 | 2884 | give_up_reset: |
a90ad3c2 ML |
2885 | ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); |
2886 | if (r) { | |
2887 | /* bad news, how to tell it to userspace ? */ | |
2888 | dev_info(adev->dev, "GPU reset failed\n"); | |
65781c78 ML |
2889 | } else { |
2890 | dev_info(adev->dev, "GPU reset successed!\n"); | |
a90ad3c2 ML |
2891 | } |
2892 | ||
3224a12b | 2893 | adev->in_sriov_reset = false; |
147b5983 | 2894 | mutex_unlock(&adev->virt.lock_reset); |
a90ad3c2 ML |
2895 | return r; |
2896 | } | |
2897 | ||
d38ceaf9 AD |
2898 | /** |
2899 | * amdgpu_gpu_reset - reset the asic | |
2900 | * | |
2901 | * @adev: amdgpu device pointer | |
2902 | * | |
2903 | * Attempt the reset the GPU if it has hung (all asics). | |
2904 | * Returns 0 for success or an error on failure. | |
2905 | */ | |
2906 | int amdgpu_gpu_reset(struct amdgpu_device *adev) | |
2907 | { | |
d38ceaf9 AD |
2908 | int i, r; |
2909 | int resched; | |
0c49e0b8 | 2910 | bool need_full_reset, vram_lost = false; |
fb140b29 | 2911 | |
63fbf42f CZ |
2912 | if (!amdgpu_check_soft_reset(adev)) { |
2913 | DRM_INFO("No hardware hang detected. Did some blocks stall?\n"); | |
2914 | return 0; | |
2915 | } | |
d38ceaf9 | 2916 | |
d94aed5a | 2917 | atomic_inc(&adev->gpu_reset_counter); |
d38ceaf9 | 2918 | |
a3c47d6b CZ |
2919 | /* block TTM */ |
2920 | resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); | |
2921 | ||
0875dc9e CZ |
2922 | /* block scheduler */ |
2923 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
2924 | struct amdgpu_ring *ring = adev->rings[i]; | |
2925 | ||
51687759 | 2926 | if (!ring || !ring->sched.thread) |
0875dc9e CZ |
2927 | continue; |
2928 | kthread_park(ring->sched.thread); | |
aa1c8900 | 2929 | amd_sched_hw_job_reset(&ring->sched); |
0875dc9e | 2930 | } |
2200edac CZ |
2931 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
2932 | amdgpu_fence_driver_force_completion(adev); | |
d38ceaf9 | 2933 | |
35d782fe | 2934 | need_full_reset = amdgpu_need_full_reset(adev); |
d38ceaf9 | 2935 | |
35d782fe CZ |
2936 | if (!need_full_reset) { |
2937 | amdgpu_pre_soft_reset(adev); | |
2938 | r = amdgpu_soft_reset(adev); | |
2939 | amdgpu_post_soft_reset(adev); | |
2940 | if (r || amdgpu_check_soft_reset(adev)) { | |
2941 | DRM_INFO("soft reset failed, will fallback to full reset!\n"); | |
2942 | need_full_reset = true; | |
2943 | } | |
f1aa7e08 CZ |
2944 | } |
2945 | ||
35d782fe | 2946 | if (need_full_reset) { |
35d782fe | 2947 | r = amdgpu_suspend(adev); |
bfa99269 | 2948 | |
35d782fe | 2949 | retry: |
d05da0e2 | 2950 | amdgpu_atombios_scratch_regs_save(adev); |
35d782fe | 2951 | r = amdgpu_asic_reset(adev); |
d05da0e2 | 2952 | amdgpu_atombios_scratch_regs_restore(adev); |
35d782fe CZ |
2953 | /* post card */ |
2954 | amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
2955 | ||
2956 | if (!r) { | |
2957 | dev_info(adev->dev, "GPU reset succeeded, trying to resume\n"); | |
fcf0649f CZ |
2958 | r = amdgpu_resume_phase1(adev); |
2959 | if (r) | |
2960 | goto out; | |
0c49e0b8 | 2961 | vram_lost = amdgpu_check_vram_lost(adev); |
f1892138 | 2962 | if (vram_lost) { |
0c49e0b8 | 2963 | DRM_ERROR("VRAM is lost!\n"); |
f1892138 CZ |
2964 | atomic_inc(&adev->vram_lost_counter); |
2965 | } | |
fcf0649f CZ |
2966 | r = amdgpu_ttm_recover_gart(adev); |
2967 | if (r) | |
2968 | goto out; | |
2969 | r = amdgpu_resume_phase2(adev); | |
2970 | if (r) | |
2971 | goto out; | |
0c49e0b8 CZ |
2972 | if (vram_lost) |
2973 | amdgpu_fill_reset_magic(adev); | |
35d782fe | 2974 | } |
d38ceaf9 | 2975 | } |
fcf0649f | 2976 | out: |
d38ceaf9 | 2977 | if (!r) { |
e72cfd58 | 2978 | amdgpu_irq_gpu_reset_resume_helper(adev); |
1f465087 CZ |
2979 | r = amdgpu_ib_ring_tests(adev); |
2980 | if (r) { | |
2981 | dev_err(adev->dev, "ib ring test failed (%d).\n", r); | |
40019dc4 | 2982 | r = amdgpu_suspend(adev); |
53cdccd5 | 2983 | need_full_reset = true; |
40019dc4 | 2984 | goto retry; |
1f465087 | 2985 | } |
53cdccd5 CZ |
2986 | /** |
2987 | * recovery vm page tables, since we cannot depend on VRAM is | |
2988 | * consistent after gpu full reset. | |
2989 | */ | |
2990 | if (need_full_reset && amdgpu_need_backup(adev)) { | |
2991 | struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; | |
2992 | struct amdgpu_bo *bo, *tmp; | |
f54d1867 | 2993 | struct dma_fence *fence = NULL, *next = NULL; |
53cdccd5 CZ |
2994 | |
2995 | DRM_INFO("recover vram bo from shadow\n"); | |
2996 | mutex_lock(&adev->shadow_list_lock); | |
2997 | list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) { | |
236763d3 | 2998 | next = NULL; |
53cdccd5 CZ |
2999 | amdgpu_recover_vram_from_shadow(adev, ring, bo, &next); |
3000 | if (fence) { | |
f54d1867 | 3001 | r = dma_fence_wait(fence, false); |
53cdccd5 | 3002 | if (r) { |
1d7b17b0 | 3003 | WARN(r, "recovery from shadow isn't completed\n"); |
53cdccd5 CZ |
3004 | break; |
3005 | } | |
3006 | } | |
1f465087 | 3007 | |
f54d1867 | 3008 | dma_fence_put(fence); |
53cdccd5 CZ |
3009 | fence = next; |
3010 | } | |
3011 | mutex_unlock(&adev->shadow_list_lock); | |
3012 | if (fence) { | |
f54d1867 | 3013 | r = dma_fence_wait(fence, false); |
53cdccd5 | 3014 | if (r) |
1d7b17b0 | 3015 | WARN(r, "recovery from shadow isn't completed\n"); |
53cdccd5 | 3016 | } |
f54d1867 | 3017 | dma_fence_put(fence); |
53cdccd5 | 3018 | } |
d38ceaf9 AD |
3019 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
3020 | struct amdgpu_ring *ring = adev->rings[i]; | |
51687759 CZ |
3021 | |
3022 | if (!ring || !ring->sched.thread) | |
d38ceaf9 | 3023 | continue; |
53cdccd5 | 3024 | |
aa1c8900 | 3025 | amd_sched_job_recovery(&ring->sched); |
0875dc9e | 3026 | kthread_unpark(ring->sched.thread); |
d38ceaf9 | 3027 | } |
d38ceaf9 | 3028 | } else { |
2200edac | 3029 | dev_err(adev->dev, "asic resume failed (%d).\n", r); |
e23b74aa | 3030 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ASIC_RESUME_FAIL, 0, r); |
d38ceaf9 | 3031 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
51687759 | 3032 | if (adev->rings[i] && adev->rings[i]->sched.thread) { |
0875dc9e | 3033 | kthread_unpark(adev->rings[i]->sched.thread); |
0875dc9e | 3034 | } |
d38ceaf9 AD |
3035 | } |
3036 | } | |
3037 | ||
3038 | drm_helper_resume_force_mode(adev->ddev); | |
3039 | ||
3040 | ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); | |
89041940 | 3041 | if (r) { |
d38ceaf9 AD |
3042 | /* bad news, how to tell it to userspace ? */ |
3043 | dev_info(adev->dev, "GPU reset failed\n"); | |
e23b74aa | 3044 | amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); |
89041940 GW |
3045 | } |
3046 | else { | |
6643be65 | 3047 | dev_info(adev->dev, "GPU reset successed!\n"); |
89041940 | 3048 | } |
d38ceaf9 | 3049 | |
89041940 | 3050 | amdgpu_vf_error_trans_all(adev); |
d38ceaf9 AD |
3051 | return r; |
3052 | } | |
3053 | ||
d0dd7f0c AD |
3054 | void amdgpu_get_pcie_info(struct amdgpu_device *adev) |
3055 | { | |
3056 | u32 mask; | |
3057 | int ret; | |
3058 | ||
cd474ba0 AD |
3059 | if (amdgpu_pcie_gen_cap) |
3060 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 3061 | |
cd474ba0 AD |
3062 | if (amdgpu_pcie_lane_cap) |
3063 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 3064 | |
cd474ba0 AD |
3065 | /* covers APUs as well */ |
3066 | if (pci_is_root_bus(adev->pdev->bus)) { | |
3067 | if (adev->pm.pcie_gen_mask == 0) | |
3068 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
3069 | if (adev->pm.pcie_mlw_mask == 0) | |
3070 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 3071 | return; |
cd474ba0 | 3072 | } |
d0dd7f0c | 3073 | |
cd474ba0 AD |
3074 | if (adev->pm.pcie_gen_mask == 0) { |
3075 | ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); | |
3076 | if (!ret) { | |
3077 | adev->pm.pcie_gen_mask = (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
3078 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
3079 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
3080 | ||
3081 | if (mask & DRM_PCIE_SPEED_25) | |
3082 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
3083 | if (mask & DRM_PCIE_SPEED_50) | |
3084 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2; | |
3085 | if (mask & DRM_PCIE_SPEED_80) | |
3086 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3; | |
3087 | } else { | |
3088 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
3089 | } | |
3090 | } | |
3091 | if (adev->pm.pcie_mlw_mask == 0) { | |
3092 | ret = drm_pcie_get_max_link_width(adev->ddev, &mask); | |
3093 | if (!ret) { | |
3094 | switch (mask) { | |
3095 | case 32: | |
3096 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | | |
3097 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
3098 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3099 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3100 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3101 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3102 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3103 | break; | |
3104 | case 16: | |
3105 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
3106 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3107 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3108 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3109 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3110 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3111 | break; | |
3112 | case 12: | |
3113 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
3114 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3115 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3116 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3117 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3118 | break; | |
3119 | case 8: | |
3120 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
3121 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3122 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3123 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3124 | break; | |
3125 | case 4: | |
3126 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
3127 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3128 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3129 | break; | |
3130 | case 2: | |
3131 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
3132 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
3133 | break; | |
3134 | case 1: | |
3135 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; | |
3136 | break; | |
3137 | default: | |
3138 | break; | |
3139 | } | |
3140 | } else { | |
3141 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c AD |
3142 | } |
3143 | } | |
3144 | } | |
d38ceaf9 AD |
3145 | |
3146 | /* | |
3147 | * Debugfs | |
3148 | */ | |
3149 | int amdgpu_debugfs_add_files(struct amdgpu_device *adev, | |
06ab6832 | 3150 | const struct drm_info_list *files, |
d38ceaf9 AD |
3151 | unsigned nfiles) |
3152 | { | |
3153 | unsigned i; | |
3154 | ||
3155 | for (i = 0; i < adev->debugfs_count; i++) { | |
3156 | if (adev->debugfs[i].files == files) { | |
3157 | /* Already registered */ | |
3158 | return 0; | |
3159 | } | |
3160 | } | |
3161 | ||
3162 | i = adev->debugfs_count + 1; | |
3163 | if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) { | |
3164 | DRM_ERROR("Reached maximum number of debugfs components.\n"); | |
3165 | DRM_ERROR("Report so we increase " | |
3166 | "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n"); | |
3167 | return -EINVAL; | |
3168 | } | |
3169 | adev->debugfs[adev->debugfs_count].files = files; | |
3170 | adev->debugfs[adev->debugfs_count].num_files = nfiles; | |
3171 | adev->debugfs_count = i; | |
3172 | #if defined(CONFIG_DEBUG_FS) | |
d38ceaf9 AD |
3173 | drm_debugfs_create_files(files, nfiles, |
3174 | adev->ddev->primary->debugfs_root, | |
3175 | adev->ddev->primary); | |
3176 | #endif | |
3177 | return 0; | |
3178 | } | |
3179 | ||
d38ceaf9 AD |
3180 | #if defined(CONFIG_DEBUG_FS) |
3181 | ||
3182 | static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, | |
3183 | size_t size, loff_t *pos) | |
3184 | { | |
45063097 | 3185 | struct amdgpu_device *adev = file_inode(f)->i_private; |
d38ceaf9 AD |
3186 | ssize_t result = 0; |
3187 | int r; | |
bd12267d | 3188 | bool pm_pg_lock, use_bank; |
56628159 | 3189 | unsigned instance_bank, sh_bank, se_bank; |
d38ceaf9 AD |
3190 | |
3191 | if (size & 0x3 || *pos & 0x3) | |
3192 | return -EINVAL; | |
3193 | ||
bd12267d TSD |
3194 | /* are we reading registers for which a PG lock is necessary? */ |
3195 | pm_pg_lock = (*pos >> 23) & 1; | |
3196 | ||
56628159 TSD |
3197 | if (*pos & (1ULL << 62)) { |
3198 | se_bank = (*pos >> 24) & 0x3FF; | |
3199 | sh_bank = (*pos >> 34) & 0x3FF; | |
3200 | instance_bank = (*pos >> 44) & 0x3FF; | |
32977f93 TSD |
3201 | |
3202 | if (se_bank == 0x3FF) | |
3203 | se_bank = 0xFFFFFFFF; | |
3204 | if (sh_bank == 0x3FF) | |
3205 | sh_bank = 0xFFFFFFFF; | |
3206 | if (instance_bank == 0x3FF) | |
3207 | instance_bank = 0xFFFFFFFF; | |
56628159 | 3208 | use_bank = 1; |
56628159 TSD |
3209 | } else { |
3210 | use_bank = 0; | |
3211 | } | |
3212 | ||
801a6aa9 | 3213 | *pos &= (1UL << 22) - 1; |
bd12267d | 3214 | |
56628159 | 3215 | if (use_bank) { |
32977f93 TSD |
3216 | if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || |
3217 | (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) | |
56628159 TSD |
3218 | return -EINVAL; |
3219 | mutex_lock(&adev->grbm_idx_mutex); | |
3220 | amdgpu_gfx_select_se_sh(adev, se_bank, | |
3221 | sh_bank, instance_bank); | |
3222 | } | |
3223 | ||
bd12267d TSD |
3224 | if (pm_pg_lock) |
3225 | mutex_lock(&adev->pm.mutex); | |
3226 | ||
d38ceaf9 AD |
3227 | while (size) { |
3228 | uint32_t value; | |
3229 | ||
3230 | if (*pos > adev->rmmio_size) | |
56628159 | 3231 | goto end; |
d38ceaf9 AD |
3232 | |
3233 | value = RREG32(*pos >> 2); | |
3234 | r = put_user(value, (uint32_t *)buf); | |
56628159 TSD |
3235 | if (r) { |
3236 | result = r; | |
3237 | goto end; | |
3238 | } | |
d38ceaf9 AD |
3239 | |
3240 | result += 4; | |
3241 | buf += 4; | |
3242 | *pos += 4; | |
3243 | size -= 4; | |
3244 | } | |
3245 | ||
56628159 TSD |
3246 | end: |
3247 | if (use_bank) { | |
3248 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); | |
3249 | mutex_unlock(&adev->grbm_idx_mutex); | |
3250 | } | |
3251 | ||
bd12267d TSD |
3252 | if (pm_pg_lock) |
3253 | mutex_unlock(&adev->pm.mutex); | |
3254 | ||
d38ceaf9 AD |
3255 | return result; |
3256 | } | |
3257 | ||
3258 | static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, | |
3259 | size_t size, loff_t *pos) | |
3260 | { | |
45063097 | 3261 | struct amdgpu_device *adev = file_inode(f)->i_private; |
d38ceaf9 AD |
3262 | ssize_t result = 0; |
3263 | int r; | |
394fdde2 TSD |
3264 | bool pm_pg_lock, use_bank; |
3265 | unsigned instance_bank, sh_bank, se_bank; | |
d38ceaf9 AD |
3266 | |
3267 | if (size & 0x3 || *pos & 0x3) | |
3268 | return -EINVAL; | |
3269 | ||
394fdde2 TSD |
3270 | /* are we reading registers for which a PG lock is necessary? */ |
3271 | pm_pg_lock = (*pos >> 23) & 1; | |
3272 | ||
3273 | if (*pos & (1ULL << 62)) { | |
3274 | se_bank = (*pos >> 24) & 0x3FF; | |
3275 | sh_bank = (*pos >> 34) & 0x3FF; | |
3276 | instance_bank = (*pos >> 44) & 0x3FF; | |
3277 | ||
3278 | if (se_bank == 0x3FF) | |
3279 | se_bank = 0xFFFFFFFF; | |
3280 | if (sh_bank == 0x3FF) | |
3281 | sh_bank = 0xFFFFFFFF; | |
3282 | if (instance_bank == 0x3FF) | |
3283 | instance_bank = 0xFFFFFFFF; | |
3284 | use_bank = 1; | |
3285 | } else { | |
3286 | use_bank = 0; | |
3287 | } | |
3288 | ||
801a6aa9 | 3289 | *pos &= (1UL << 22) - 1; |
394fdde2 TSD |
3290 | |
3291 | if (use_bank) { | |
3292 | if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || | |
3293 | (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) | |
3294 | return -EINVAL; | |
3295 | mutex_lock(&adev->grbm_idx_mutex); | |
3296 | amdgpu_gfx_select_se_sh(adev, se_bank, | |
3297 | sh_bank, instance_bank); | |
3298 | } | |
3299 | ||
3300 | if (pm_pg_lock) | |
3301 | mutex_lock(&adev->pm.mutex); | |
3302 | ||
d38ceaf9 AD |
3303 | while (size) { |
3304 | uint32_t value; | |
3305 | ||
3306 | if (*pos > adev->rmmio_size) | |
3307 | return result; | |
3308 | ||
3309 | r = get_user(value, (uint32_t *)buf); | |
3310 | if (r) | |
3311 | return r; | |
3312 | ||
3313 | WREG32(*pos >> 2, value); | |
3314 | ||
3315 | result += 4; | |
3316 | buf += 4; | |
3317 | *pos += 4; | |
3318 | size -= 4; | |
3319 | } | |
3320 | ||
394fdde2 TSD |
3321 | if (use_bank) { |
3322 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); | |
3323 | mutex_unlock(&adev->grbm_idx_mutex); | |
3324 | } | |
3325 | ||
3326 | if (pm_pg_lock) | |
3327 | mutex_unlock(&adev->pm.mutex); | |
3328 | ||
d38ceaf9 AD |
3329 | return result; |
3330 | } | |
3331 | ||
adcec288 TSD |
3332 | static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, |
3333 | size_t size, loff_t *pos) | |
3334 | { | |
45063097 | 3335 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3336 | ssize_t result = 0; |
3337 | int r; | |
3338 | ||
3339 | if (size & 0x3 || *pos & 0x3) | |
3340 | return -EINVAL; | |
3341 | ||
3342 | while (size) { | |
3343 | uint32_t value; | |
3344 | ||
3345 | value = RREG32_PCIE(*pos >> 2); | |
3346 | r = put_user(value, (uint32_t *)buf); | |
3347 | if (r) | |
3348 | return r; | |
3349 | ||
3350 | result += 4; | |
3351 | buf += 4; | |
3352 | *pos += 4; | |
3353 | size -= 4; | |
3354 | } | |
3355 | ||
3356 | return result; | |
3357 | } | |
3358 | ||
3359 | static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf, | |
3360 | size_t size, loff_t *pos) | |
3361 | { | |
45063097 | 3362 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3363 | ssize_t result = 0; |
3364 | int r; | |
3365 | ||
3366 | if (size & 0x3 || *pos & 0x3) | |
3367 | return -EINVAL; | |
3368 | ||
3369 | while (size) { | |
3370 | uint32_t value; | |
3371 | ||
3372 | r = get_user(value, (uint32_t *)buf); | |
3373 | if (r) | |
3374 | return r; | |
3375 | ||
3376 | WREG32_PCIE(*pos >> 2, value); | |
3377 | ||
3378 | result += 4; | |
3379 | buf += 4; | |
3380 | *pos += 4; | |
3381 | size -= 4; | |
3382 | } | |
3383 | ||
3384 | return result; | |
3385 | } | |
3386 | ||
3387 | static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, | |
3388 | size_t size, loff_t *pos) | |
3389 | { | |
45063097 | 3390 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3391 | ssize_t result = 0; |
3392 | int r; | |
3393 | ||
3394 | if (size & 0x3 || *pos & 0x3) | |
3395 | return -EINVAL; | |
3396 | ||
3397 | while (size) { | |
3398 | uint32_t value; | |
3399 | ||
3400 | value = RREG32_DIDT(*pos >> 2); | |
3401 | r = put_user(value, (uint32_t *)buf); | |
3402 | if (r) | |
3403 | return r; | |
3404 | ||
3405 | result += 4; | |
3406 | buf += 4; | |
3407 | *pos += 4; | |
3408 | size -= 4; | |
3409 | } | |
3410 | ||
3411 | return result; | |
3412 | } | |
3413 | ||
3414 | static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf, | |
3415 | size_t size, loff_t *pos) | |
3416 | { | |
45063097 | 3417 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3418 | ssize_t result = 0; |
3419 | int r; | |
3420 | ||
3421 | if (size & 0x3 || *pos & 0x3) | |
3422 | return -EINVAL; | |
3423 | ||
3424 | while (size) { | |
3425 | uint32_t value; | |
3426 | ||
3427 | r = get_user(value, (uint32_t *)buf); | |
3428 | if (r) | |
3429 | return r; | |
3430 | ||
3431 | WREG32_DIDT(*pos >> 2, value); | |
3432 | ||
3433 | result += 4; | |
3434 | buf += 4; | |
3435 | *pos += 4; | |
3436 | size -= 4; | |
3437 | } | |
3438 | ||
3439 | return result; | |
3440 | } | |
3441 | ||
3442 | static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, | |
3443 | size_t size, loff_t *pos) | |
3444 | { | |
45063097 | 3445 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3446 | ssize_t result = 0; |
3447 | int r; | |
3448 | ||
3449 | if (size & 0x3 || *pos & 0x3) | |
3450 | return -EINVAL; | |
3451 | ||
3452 | while (size) { | |
3453 | uint32_t value; | |
3454 | ||
6fc0deaf | 3455 | value = RREG32_SMC(*pos); |
adcec288 TSD |
3456 | r = put_user(value, (uint32_t *)buf); |
3457 | if (r) | |
3458 | return r; | |
3459 | ||
3460 | result += 4; | |
3461 | buf += 4; | |
3462 | *pos += 4; | |
3463 | size -= 4; | |
3464 | } | |
3465 | ||
3466 | return result; | |
3467 | } | |
3468 | ||
3469 | static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf, | |
3470 | size_t size, loff_t *pos) | |
3471 | { | |
45063097 | 3472 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
3473 | ssize_t result = 0; |
3474 | int r; | |
3475 | ||
3476 | if (size & 0x3 || *pos & 0x3) | |
3477 | return -EINVAL; | |
3478 | ||
3479 | while (size) { | |
3480 | uint32_t value; | |
3481 | ||
3482 | r = get_user(value, (uint32_t *)buf); | |
3483 | if (r) | |
3484 | return r; | |
3485 | ||
6fc0deaf | 3486 | WREG32_SMC(*pos, value); |
adcec288 TSD |
3487 | |
3488 | result += 4; | |
3489 | buf += 4; | |
3490 | *pos += 4; | |
3491 | size -= 4; | |
3492 | } | |
3493 | ||
3494 | return result; | |
3495 | } | |
3496 | ||
1e051413 TSD |
3497 | static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, |
3498 | size_t size, loff_t *pos) | |
3499 | { | |
45063097 | 3500 | struct amdgpu_device *adev = file_inode(f)->i_private; |
1e051413 TSD |
3501 | ssize_t result = 0; |
3502 | int r; | |
3503 | uint32_t *config, no_regs = 0; | |
3504 | ||
3505 | if (size & 0x3 || *pos & 0x3) | |
3506 | return -EINVAL; | |
3507 | ||
ecab7668 | 3508 | config = kmalloc_array(256, sizeof(*config), GFP_KERNEL); |
1e051413 TSD |
3509 | if (!config) |
3510 | return -ENOMEM; | |
3511 | ||
3512 | /* version, increment each time something is added */ | |
9a999359 | 3513 | config[no_regs++] = 3; |
1e051413 TSD |
3514 | config[no_regs++] = adev->gfx.config.max_shader_engines; |
3515 | config[no_regs++] = adev->gfx.config.max_tile_pipes; | |
3516 | config[no_regs++] = adev->gfx.config.max_cu_per_sh; | |
3517 | config[no_regs++] = adev->gfx.config.max_sh_per_se; | |
3518 | config[no_regs++] = adev->gfx.config.max_backends_per_se; | |
3519 | config[no_regs++] = adev->gfx.config.max_texture_channel_caches; | |
3520 | config[no_regs++] = adev->gfx.config.max_gprs; | |
3521 | config[no_regs++] = adev->gfx.config.max_gs_threads; | |
3522 | config[no_regs++] = adev->gfx.config.max_hw_contexts; | |
3523 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend; | |
3524 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend; | |
3525 | config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size; | |
3526 | config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size; | |
3527 | config[no_regs++] = adev->gfx.config.num_tile_pipes; | |
3528 | config[no_regs++] = adev->gfx.config.backend_enable_mask; | |
3529 | config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes; | |
3530 | config[no_regs++] = adev->gfx.config.mem_row_size_in_kb; | |
3531 | config[no_regs++] = adev->gfx.config.shader_engine_tile_size; | |
3532 | config[no_regs++] = adev->gfx.config.num_gpus; | |
3533 | config[no_regs++] = adev->gfx.config.multi_gpu_tile_size; | |
3534 | config[no_regs++] = adev->gfx.config.mc_arb_ramcfg; | |
3535 | config[no_regs++] = adev->gfx.config.gb_addr_config; | |
3536 | config[no_regs++] = adev->gfx.config.num_rbs; | |
3537 | ||
89a8f309 TSD |
3538 | /* rev==1 */ |
3539 | config[no_regs++] = adev->rev_id; | |
3540 | config[no_regs++] = adev->pg_flags; | |
3541 | config[no_regs++] = adev->cg_flags; | |
3542 | ||
e9f11dc8 TSD |
3543 | /* rev==2 */ |
3544 | config[no_regs++] = adev->family; | |
3545 | config[no_regs++] = adev->external_rev_id; | |
3546 | ||
9a999359 TSD |
3547 | /* rev==3 */ |
3548 | config[no_regs++] = adev->pdev->device; | |
3549 | config[no_regs++] = adev->pdev->revision; | |
3550 | config[no_regs++] = adev->pdev->subsystem_device; | |
3551 | config[no_regs++] = adev->pdev->subsystem_vendor; | |
3552 | ||
1e051413 TSD |
3553 | while (size && (*pos < no_regs * 4)) { |
3554 | uint32_t value; | |
3555 | ||
3556 | value = config[*pos >> 2]; | |
3557 | r = put_user(value, (uint32_t *)buf); | |
3558 | if (r) { | |
3559 | kfree(config); | |
3560 | return r; | |
3561 | } | |
3562 | ||
3563 | result += 4; | |
3564 | buf += 4; | |
3565 | *pos += 4; | |
3566 | size -= 4; | |
3567 | } | |
3568 | ||
3569 | kfree(config); | |
3570 | return result; | |
3571 | } | |
3572 | ||
f2cdaf20 TSD |
3573 | static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, |
3574 | size_t size, loff_t *pos) | |
3575 | { | |
45063097 | 3576 | struct amdgpu_device *adev = file_inode(f)->i_private; |
9f8df7d7 TSD |
3577 | int idx, x, outsize, r, valuesize; |
3578 | uint32_t values[16]; | |
f2cdaf20 | 3579 | |
9f8df7d7 | 3580 | if (size & 3 || *pos & 0x3) |
f2cdaf20 TSD |
3581 | return -EINVAL; |
3582 | ||
3cbc614f SP |
3583 | if (amdgpu_dpm == 0) |
3584 | return -EINVAL; | |
3585 | ||
f2cdaf20 TSD |
3586 | /* convert offset to sensor number */ |
3587 | idx = *pos >> 2; | |
3588 | ||
9f8df7d7 | 3589 | valuesize = sizeof(values); |
f2cdaf20 | 3590 | if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) |
cd4d7464 | 3591 | r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); |
f2cdaf20 TSD |
3592 | else |
3593 | return -EINVAL; | |
3594 | ||
9f8df7d7 TSD |
3595 | if (size > valuesize) |
3596 | return -EINVAL; | |
3597 | ||
3598 | outsize = 0; | |
3599 | x = 0; | |
3600 | if (!r) { | |
3601 | while (size) { | |
3602 | r = put_user(values[x++], (int32_t *)buf); | |
3603 | buf += 4; | |
3604 | size -= 4; | |
3605 | outsize += 4; | |
3606 | } | |
3607 | } | |
f2cdaf20 | 3608 | |
9f8df7d7 | 3609 | return !r ? outsize : r; |
f2cdaf20 | 3610 | } |
1e051413 | 3611 | |
273d7aa1 TSD |
3612 | static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, |
3613 | size_t size, loff_t *pos) | |
3614 | { | |
3615 | struct amdgpu_device *adev = f->f_inode->i_private; | |
3616 | int r, x; | |
3617 | ssize_t result=0; | |
472259f0 | 3618 | uint32_t offset, se, sh, cu, wave, simd, data[32]; |
273d7aa1 TSD |
3619 | |
3620 | if (size & 3 || *pos & 3) | |
3621 | return -EINVAL; | |
3622 | ||
3623 | /* decode offset */ | |
3624 | offset = (*pos & 0x7F); | |
3625 | se = ((*pos >> 7) & 0xFF); | |
3626 | sh = ((*pos >> 15) & 0xFF); | |
3627 | cu = ((*pos >> 23) & 0xFF); | |
3628 | wave = ((*pos >> 31) & 0xFF); | |
3629 | simd = ((*pos >> 37) & 0xFF); | |
273d7aa1 TSD |
3630 | |
3631 | /* switch to the specific se/sh/cu */ | |
3632 | mutex_lock(&adev->grbm_idx_mutex); | |
3633 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); | |
3634 | ||
3635 | x = 0; | |
472259f0 TSD |
3636 | if (adev->gfx.funcs->read_wave_data) |
3637 | adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x); | |
273d7aa1 TSD |
3638 | |
3639 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); | |
3640 | mutex_unlock(&adev->grbm_idx_mutex); | |
3641 | ||
5ecfb3b8 TSD |
3642 | if (!x) |
3643 | return -EINVAL; | |
3644 | ||
472259f0 | 3645 | while (size && (offset < x * 4)) { |
273d7aa1 TSD |
3646 | uint32_t value; |
3647 | ||
472259f0 | 3648 | value = data[offset >> 2]; |
273d7aa1 TSD |
3649 | r = put_user(value, (uint32_t *)buf); |
3650 | if (r) | |
3651 | return r; | |
3652 | ||
3653 | result += 4; | |
3654 | buf += 4; | |
472259f0 | 3655 | offset += 4; |
273d7aa1 TSD |
3656 | size -= 4; |
3657 | } | |
3658 | ||
3659 | return result; | |
3660 | } | |
3661 | ||
c5a60ce8 TSD |
3662 | static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, |
3663 | size_t size, loff_t *pos) | |
3664 | { | |
3665 | struct amdgpu_device *adev = f->f_inode->i_private; | |
3666 | int r; | |
3667 | ssize_t result = 0; | |
3668 | uint32_t offset, se, sh, cu, wave, simd, thread, bank, *data; | |
3669 | ||
3670 | if (size & 3 || *pos & 3) | |
3671 | return -EINVAL; | |
3672 | ||
3673 | /* decode offset */ | |
3674 | offset = (*pos & 0xFFF); /* in dwords */ | |
3675 | se = ((*pos >> 12) & 0xFF); | |
3676 | sh = ((*pos >> 20) & 0xFF); | |
3677 | cu = ((*pos >> 28) & 0xFF); | |
3678 | wave = ((*pos >> 36) & 0xFF); | |
3679 | simd = ((*pos >> 44) & 0xFF); | |
3680 | thread = ((*pos >> 52) & 0xFF); | |
3681 | bank = ((*pos >> 60) & 1); | |
3682 | ||
3683 | data = kmalloc_array(1024, sizeof(*data), GFP_KERNEL); | |
3684 | if (!data) | |
3685 | return -ENOMEM; | |
3686 | ||
3687 | /* switch to the specific se/sh/cu */ | |
3688 | mutex_lock(&adev->grbm_idx_mutex); | |
3689 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); | |
3690 | ||
3691 | if (bank == 0) { | |
3692 | if (adev->gfx.funcs->read_wave_vgprs) | |
3693 | adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data); | |
3694 | } else { | |
3695 | if (adev->gfx.funcs->read_wave_sgprs) | |
3696 | adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data); | |
3697 | } | |
3698 | ||
3699 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); | |
3700 | mutex_unlock(&adev->grbm_idx_mutex); | |
3701 | ||
3702 | while (size) { | |
3703 | uint32_t value; | |
3704 | ||
3705 | value = data[offset++]; | |
3706 | r = put_user(value, (uint32_t *)buf); | |
3707 | if (r) { | |
3708 | result = r; | |
3709 | goto err; | |
3710 | } | |
3711 | ||
3712 | result += 4; | |
3713 | buf += 4; | |
3714 | size -= 4; | |
3715 | } | |
3716 | ||
3717 | err: | |
3718 | kfree(data); | |
3719 | return result; | |
3720 | } | |
3721 | ||
d38ceaf9 AD |
3722 | static const struct file_operations amdgpu_debugfs_regs_fops = { |
3723 | .owner = THIS_MODULE, | |
3724 | .read = amdgpu_debugfs_regs_read, | |
3725 | .write = amdgpu_debugfs_regs_write, | |
3726 | .llseek = default_llseek | |
3727 | }; | |
adcec288 TSD |
3728 | static const struct file_operations amdgpu_debugfs_regs_didt_fops = { |
3729 | .owner = THIS_MODULE, | |
3730 | .read = amdgpu_debugfs_regs_didt_read, | |
3731 | .write = amdgpu_debugfs_regs_didt_write, | |
3732 | .llseek = default_llseek | |
3733 | }; | |
3734 | static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { | |
3735 | .owner = THIS_MODULE, | |
3736 | .read = amdgpu_debugfs_regs_pcie_read, | |
3737 | .write = amdgpu_debugfs_regs_pcie_write, | |
3738 | .llseek = default_llseek | |
3739 | }; | |
3740 | static const struct file_operations amdgpu_debugfs_regs_smc_fops = { | |
3741 | .owner = THIS_MODULE, | |
3742 | .read = amdgpu_debugfs_regs_smc_read, | |
3743 | .write = amdgpu_debugfs_regs_smc_write, | |
3744 | .llseek = default_llseek | |
3745 | }; | |
3746 | ||
1e051413 TSD |
3747 | static const struct file_operations amdgpu_debugfs_gca_config_fops = { |
3748 | .owner = THIS_MODULE, | |
3749 | .read = amdgpu_debugfs_gca_config_read, | |
3750 | .llseek = default_llseek | |
3751 | }; | |
3752 | ||
f2cdaf20 TSD |
3753 | static const struct file_operations amdgpu_debugfs_sensors_fops = { |
3754 | .owner = THIS_MODULE, | |
3755 | .read = amdgpu_debugfs_sensor_read, | |
3756 | .llseek = default_llseek | |
3757 | }; | |
3758 | ||
273d7aa1 TSD |
3759 | static const struct file_operations amdgpu_debugfs_wave_fops = { |
3760 | .owner = THIS_MODULE, | |
3761 | .read = amdgpu_debugfs_wave_read, | |
3762 | .llseek = default_llseek | |
3763 | }; | |
c5a60ce8 TSD |
3764 | static const struct file_operations amdgpu_debugfs_gpr_fops = { |
3765 | .owner = THIS_MODULE, | |
3766 | .read = amdgpu_debugfs_gpr_read, | |
3767 | .llseek = default_llseek | |
3768 | }; | |
273d7aa1 | 3769 | |
adcec288 TSD |
3770 | static const struct file_operations *debugfs_regs[] = { |
3771 | &amdgpu_debugfs_regs_fops, | |
3772 | &amdgpu_debugfs_regs_didt_fops, | |
3773 | &amdgpu_debugfs_regs_pcie_fops, | |
3774 | &amdgpu_debugfs_regs_smc_fops, | |
1e051413 | 3775 | &amdgpu_debugfs_gca_config_fops, |
f2cdaf20 | 3776 | &amdgpu_debugfs_sensors_fops, |
273d7aa1 | 3777 | &amdgpu_debugfs_wave_fops, |
c5a60ce8 | 3778 | &amdgpu_debugfs_gpr_fops, |
adcec288 TSD |
3779 | }; |
3780 | ||
3781 | static const char *debugfs_regs_names[] = { | |
3782 | "amdgpu_regs", | |
3783 | "amdgpu_regs_didt", | |
3784 | "amdgpu_regs_pcie", | |
3785 | "amdgpu_regs_smc", | |
1e051413 | 3786 | "amdgpu_gca_config", |
f2cdaf20 | 3787 | "amdgpu_sensors", |
273d7aa1 | 3788 | "amdgpu_wave", |
c5a60ce8 | 3789 | "amdgpu_gpr", |
adcec288 | 3790 | }; |
d38ceaf9 AD |
3791 | |
3792 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) | |
3793 | { | |
3794 | struct drm_minor *minor = adev->ddev->primary; | |
3795 | struct dentry *ent, *root = minor->debugfs_root; | |
adcec288 TSD |
3796 | unsigned i, j; |
3797 | ||
3798 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
3799 | ent = debugfs_create_file(debugfs_regs_names[i], | |
3800 | S_IFREG | S_IRUGO, root, | |
3801 | adev, debugfs_regs[i]); | |
3802 | if (IS_ERR(ent)) { | |
3803 | for (j = 0; j < i; j++) { | |
3804 | debugfs_remove(adev->debugfs_regs[i]); | |
3805 | adev->debugfs_regs[i] = NULL; | |
3806 | } | |
3807 | return PTR_ERR(ent); | |
3808 | } | |
d38ceaf9 | 3809 | |
adcec288 TSD |
3810 | if (!i) |
3811 | i_size_write(ent->d_inode, adev->rmmio_size); | |
3812 | adev->debugfs_regs[i] = ent; | |
3813 | } | |
d38ceaf9 AD |
3814 | |
3815 | return 0; | |
3816 | } | |
3817 | ||
3818 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) | |
3819 | { | |
adcec288 TSD |
3820 | unsigned i; |
3821 | ||
3822 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
3823 | if (adev->debugfs_regs[i]) { | |
3824 | debugfs_remove(adev->debugfs_regs[i]); | |
3825 | adev->debugfs_regs[i] = NULL; | |
3826 | } | |
3827 | } | |
d38ceaf9 AD |
3828 | } |
3829 | ||
4f0955fc HR |
3830 | static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data) |
3831 | { | |
3832 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
3833 | struct drm_device *dev = node->minor->dev; | |
3834 | struct amdgpu_device *adev = dev->dev_private; | |
3835 | int r = 0, i; | |
3836 | ||
3837 | /* hold on the scheduler */ | |
3838 | for (i = 0; i < AMDGPU_MAX_RINGS; i++) { | |
3839 | struct amdgpu_ring *ring = adev->rings[i]; | |
3840 | ||
3841 | if (!ring || !ring->sched.thread) | |
3842 | continue; | |
3843 | kthread_park(ring->sched.thread); | |
3844 | } | |
3845 | ||
3846 | seq_printf(m, "run ib test:\n"); | |
3847 | r = amdgpu_ib_ring_tests(adev); | |
3848 | if (r) | |
3849 | seq_printf(m, "ib ring tests failed (%d).\n", r); | |
3850 | else | |
3851 | seq_printf(m, "ib ring tests passed.\n"); | |
3852 | ||
3853 | /* go on the scheduler */ | |
3854 | for (i = 0; i < AMDGPU_MAX_RINGS; i++) { | |
3855 | struct amdgpu_ring *ring = adev->rings[i]; | |
3856 | ||
3857 | if (!ring || !ring->sched.thread) | |
3858 | continue; | |
3859 | kthread_unpark(ring->sched.thread); | |
3860 | } | |
3861 | ||
3862 | return 0; | |
3863 | } | |
3864 | ||
3865 | static const struct drm_info_list amdgpu_debugfs_test_ib_ring_list[] = { | |
3866 | {"amdgpu_test_ib", &amdgpu_debugfs_test_ib} | |
3867 | }; | |
3868 | ||
3869 | static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) | |
3870 | { | |
3871 | return amdgpu_debugfs_add_files(adev, | |
3872 | amdgpu_debugfs_test_ib_ring_list, 1); | |
3873 | } | |
3874 | ||
d38ceaf9 AD |
3875 | int amdgpu_debugfs_init(struct drm_minor *minor) |
3876 | { | |
3877 | return 0; | |
3878 | } | |
db95e218 KR |
3879 | |
3880 | static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data) | |
3881 | { | |
3882 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
3883 | struct drm_device *dev = node->minor->dev; | |
3884 | struct amdgpu_device *adev = dev->dev_private; | |
3885 | ||
3886 | seq_write(m, adev->bios, adev->bios_size); | |
3887 | return 0; | |
3888 | } | |
3889 | ||
db95e218 KR |
3890 | static const struct drm_info_list amdgpu_vbios_dump_list[] = { |
3891 | {"amdgpu_vbios", | |
3892 | amdgpu_debugfs_get_vbios_dump, | |
3893 | 0, NULL}, | |
3894 | }; | |
3895 | ||
db95e218 KR |
3896 | static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev) |
3897 | { | |
3898 | return amdgpu_debugfs_add_files(adev, | |
3899 | amdgpu_vbios_dump_list, 1); | |
3900 | } | |
7cebc728 | 3901 | #else |
27bad5b9 | 3902 | static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) |
4f0955fc HR |
3903 | { |
3904 | return 0; | |
3905 | } | |
7cebc728 AK |
3906 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) |
3907 | { | |
3908 | return 0; | |
3909 | } | |
db95e218 KR |
3910 | static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device *adev) |
3911 | { | |
3912 | return 0; | |
3913 | } | |
7cebc728 | 3914 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } |
d38ceaf9 | 3915 | #endif |