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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" | |
d0dd7f0c | 43 | #include "amd_pcie.h" |
a2e73f56 AD |
44 | #ifdef CONFIG_DRM_AMDGPU_CIK |
45 | #include "cik.h" | |
46 | #endif | |
aaa36a97 | 47 | #include "vi.h" |
d38ceaf9 | 48 | #include "bif/bif_4_1_d.h" |
9accf2fd | 49 | #include <linux/pci.h> |
d38ceaf9 AD |
50 | |
51 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); | |
52 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); | |
53 | ||
54 | static const char *amdgpu_asic_name[] = { | |
55 | "BONAIRE", | |
56 | "KAVERI", | |
57 | "KABINI", | |
58 | "HAWAII", | |
59 | "MULLINS", | |
60 | "TOPAZ", | |
61 | "TONGA", | |
48299f95 | 62 | "FIJI", |
d38ceaf9 | 63 | "CARRIZO", |
139f4917 | 64 | "STONEY", |
2cc0c0b5 FC |
65 | "POLARIS10", |
66 | "POLARIS11", | |
d38ceaf9 AD |
67 | "LAST", |
68 | }; | |
69 | ||
70 | bool amdgpu_device_is_px(struct drm_device *dev) | |
71 | { | |
72 | struct amdgpu_device *adev = dev->dev_private; | |
73 | ||
2f7d10b3 | 74 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
75 | return true; |
76 | return false; | |
77 | } | |
78 | ||
79 | /* | |
80 | * MMIO register access helper functions. | |
81 | */ | |
82 | uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, | |
83 | bool always_indirect) | |
84 | { | |
f4b373f4 TSD |
85 | uint32_t ret; |
86 | ||
d38ceaf9 | 87 | if ((reg * 4) < adev->rmmio_size && !always_indirect) |
f4b373f4 | 88 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); |
d38ceaf9 AD |
89 | else { |
90 | unsigned long flags; | |
d38ceaf9 AD |
91 | |
92 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
93 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
94 | ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
95 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
d38ceaf9 | 96 | } |
f4b373f4 TSD |
97 | trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret); |
98 | return ret; | |
d38ceaf9 AD |
99 | } |
100 | ||
101 | void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, | |
102 | bool always_indirect) | |
103 | { | |
f4b373f4 TSD |
104 | trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); |
105 | ||
d38ceaf9 AD |
106 | if ((reg * 4) < adev->rmmio_size && !always_indirect) |
107 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
108 | else { | |
109 | unsigned long flags; | |
110 | ||
111 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
112 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
113 | writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
114 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
115 | } | |
116 | } | |
117 | ||
118 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) | |
119 | { | |
120 | if ((reg * 4) < adev->rio_mem_size) | |
121 | return ioread32(adev->rio_mem + (reg * 4)); | |
122 | else { | |
123 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
124 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
125 | } | |
126 | } | |
127 | ||
128 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) | |
129 | { | |
130 | ||
131 | if ((reg * 4) < adev->rio_mem_size) | |
132 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
133 | else { | |
134 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
135 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
136 | } | |
137 | } | |
138 | ||
139 | /** | |
140 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
141 | * | |
142 | * @adev: amdgpu_device pointer | |
143 | * @index: doorbell index | |
144 | * | |
145 | * Returns the value in the doorbell aperture at the | |
146 | * requested doorbell index (CIK). | |
147 | */ | |
148 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
149 | { | |
150 | if (index < adev->doorbell.num_doorbells) { | |
151 | return readl(adev->doorbell.ptr + index); | |
152 | } else { | |
153 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
154 | return 0; | |
155 | } | |
156 | } | |
157 | ||
158 | /** | |
159 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
160 | * | |
161 | * @adev: amdgpu_device pointer | |
162 | * @index: doorbell index | |
163 | * @v: value to write | |
164 | * | |
165 | * Writes @v to the doorbell aperture at the | |
166 | * requested doorbell index (CIK). | |
167 | */ | |
168 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
169 | { | |
170 | if (index < adev->doorbell.num_doorbells) { | |
171 | writel(v, adev->doorbell.ptr + index); | |
172 | } else { | |
173 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
174 | } | |
175 | } | |
176 | ||
177 | /** | |
178 | * amdgpu_invalid_rreg - dummy reg read function | |
179 | * | |
180 | * @adev: amdgpu device pointer | |
181 | * @reg: offset of register | |
182 | * | |
183 | * Dummy register read function. Used for register blocks | |
184 | * that certain asics don't have (all asics). | |
185 | * Returns the value in the register. | |
186 | */ | |
187 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
188 | { | |
189 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
190 | BUG(); | |
191 | return 0; | |
192 | } | |
193 | ||
194 | /** | |
195 | * amdgpu_invalid_wreg - dummy reg write function | |
196 | * | |
197 | * @adev: amdgpu device pointer | |
198 | * @reg: offset of register | |
199 | * @v: value to write to the register | |
200 | * | |
201 | * Dummy register read function. Used for register blocks | |
202 | * that certain asics don't have (all asics). | |
203 | */ | |
204 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
205 | { | |
206 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
207 | reg, v); | |
208 | BUG(); | |
209 | } | |
210 | ||
211 | /** | |
212 | * amdgpu_block_invalid_rreg - dummy reg read function | |
213 | * | |
214 | * @adev: amdgpu device pointer | |
215 | * @block: offset of instance | |
216 | * @reg: offset of register | |
217 | * | |
218 | * Dummy register read function. Used for register blocks | |
219 | * that certain asics don't have (all asics). | |
220 | * Returns the value in the register. | |
221 | */ | |
222 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
223 | uint32_t block, uint32_t reg) | |
224 | { | |
225 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
226 | reg, block); | |
227 | BUG(); | |
228 | return 0; | |
229 | } | |
230 | ||
231 | /** | |
232 | * amdgpu_block_invalid_wreg - dummy reg write function | |
233 | * | |
234 | * @adev: amdgpu device pointer | |
235 | * @block: offset of instance | |
236 | * @reg: offset of register | |
237 | * @v: value to write to the register | |
238 | * | |
239 | * Dummy register read function. Used for register blocks | |
240 | * that certain asics don't have (all asics). | |
241 | */ | |
242 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
243 | uint32_t block, | |
244 | uint32_t reg, uint32_t v) | |
245 | { | |
246 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
247 | reg, block, v); | |
248 | BUG(); | |
249 | } | |
250 | ||
251 | static int amdgpu_vram_scratch_init(struct amdgpu_device *adev) | |
252 | { | |
253 | int r; | |
254 | ||
255 | if (adev->vram_scratch.robj == NULL) { | |
256 | r = amdgpu_bo_create(adev, AMDGPU_GPU_PAGE_SIZE, | |
857d913d AD |
257 | PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, |
258 | AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, | |
72d7668b | 259 | NULL, NULL, &adev->vram_scratch.robj); |
d38ceaf9 AD |
260 | if (r) { |
261 | return r; | |
262 | } | |
263 | } | |
264 | ||
265 | r = amdgpu_bo_reserve(adev->vram_scratch.robj, false); | |
266 | if (unlikely(r != 0)) | |
267 | return r; | |
268 | r = amdgpu_bo_pin(adev->vram_scratch.robj, | |
269 | AMDGPU_GEM_DOMAIN_VRAM, &adev->vram_scratch.gpu_addr); | |
270 | if (r) { | |
271 | amdgpu_bo_unreserve(adev->vram_scratch.robj); | |
272 | return r; | |
273 | } | |
274 | r = amdgpu_bo_kmap(adev->vram_scratch.robj, | |
275 | (void **)&adev->vram_scratch.ptr); | |
276 | if (r) | |
277 | amdgpu_bo_unpin(adev->vram_scratch.robj); | |
278 | amdgpu_bo_unreserve(adev->vram_scratch.robj); | |
279 | ||
280 | return r; | |
281 | } | |
282 | ||
283 | static void amdgpu_vram_scratch_fini(struct amdgpu_device *adev) | |
284 | { | |
285 | int r; | |
286 | ||
287 | if (adev->vram_scratch.robj == NULL) { | |
288 | return; | |
289 | } | |
290 | r = amdgpu_bo_reserve(adev->vram_scratch.robj, false); | |
291 | if (likely(r == 0)) { | |
292 | amdgpu_bo_kunmap(adev->vram_scratch.robj); | |
293 | amdgpu_bo_unpin(adev->vram_scratch.robj); | |
294 | amdgpu_bo_unreserve(adev->vram_scratch.robj); | |
295 | } | |
296 | amdgpu_bo_unref(&adev->vram_scratch.robj); | |
297 | } | |
298 | ||
299 | /** | |
300 | * amdgpu_program_register_sequence - program an array of registers. | |
301 | * | |
302 | * @adev: amdgpu_device pointer | |
303 | * @registers: pointer to the register array | |
304 | * @array_size: size of the register array | |
305 | * | |
306 | * Programs an array or registers with and and or masks. | |
307 | * This is a helper for setting golden registers. | |
308 | */ | |
309 | void amdgpu_program_register_sequence(struct amdgpu_device *adev, | |
310 | const u32 *registers, | |
311 | const u32 array_size) | |
312 | { | |
313 | u32 tmp, reg, and_mask, or_mask; | |
314 | int i; | |
315 | ||
316 | if (array_size % 3) | |
317 | return; | |
318 | ||
319 | for (i = 0; i < array_size; i +=3) { | |
320 | reg = registers[i + 0]; | |
321 | and_mask = registers[i + 1]; | |
322 | or_mask = registers[i + 2]; | |
323 | ||
324 | if (and_mask == 0xffffffff) { | |
325 | tmp = or_mask; | |
326 | } else { | |
327 | tmp = RREG32(reg); | |
328 | tmp &= ~and_mask; | |
329 | tmp |= or_mask; | |
330 | } | |
331 | WREG32(reg, tmp); | |
332 | } | |
333 | } | |
334 | ||
335 | void amdgpu_pci_config_reset(struct amdgpu_device *adev) | |
336 | { | |
337 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
338 | } | |
339 | ||
340 | /* | |
341 | * GPU doorbell aperture helpers function. | |
342 | */ | |
343 | /** | |
344 | * amdgpu_doorbell_init - Init doorbell driver information. | |
345 | * | |
346 | * @adev: amdgpu_device pointer | |
347 | * | |
348 | * Init doorbell driver information (CIK) | |
349 | * Returns 0 on success, error on failure. | |
350 | */ | |
351 | static int amdgpu_doorbell_init(struct amdgpu_device *adev) | |
352 | { | |
353 | /* doorbell bar mapping */ | |
354 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
355 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
356 | ||
edf600da | 357 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
d38ceaf9 AD |
358 | AMDGPU_DOORBELL_MAX_ASSIGNMENT+1); |
359 | if (adev->doorbell.num_doorbells == 0) | |
360 | return -EINVAL; | |
361 | ||
362 | adev->doorbell.ptr = ioremap(adev->doorbell.base, adev->doorbell.num_doorbells * sizeof(u32)); | |
363 | if (adev->doorbell.ptr == NULL) { | |
364 | return -ENOMEM; | |
365 | } | |
366 | DRM_INFO("doorbell mmio base: 0x%08X\n", (uint32_t)adev->doorbell.base); | |
367 | DRM_INFO("doorbell mmio size: %u\n", (unsigned)adev->doorbell.size); | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
372 | /** | |
373 | * amdgpu_doorbell_fini - Tear down doorbell driver information. | |
374 | * | |
375 | * @adev: amdgpu_device pointer | |
376 | * | |
377 | * Tear down doorbell driver information (CIK) | |
378 | */ | |
379 | static void amdgpu_doorbell_fini(struct amdgpu_device *adev) | |
380 | { | |
381 | iounmap(adev->doorbell.ptr); | |
382 | adev->doorbell.ptr = NULL; | |
383 | } | |
384 | ||
385 | /** | |
386 | * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to | |
387 | * setup amdkfd | |
388 | * | |
389 | * @adev: amdgpu_device pointer | |
390 | * @aperture_base: output returning doorbell aperture base physical address | |
391 | * @aperture_size: output returning doorbell aperture size in bytes | |
392 | * @start_offset: output returning # of doorbell bytes reserved for amdgpu. | |
393 | * | |
394 | * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up, | |
395 | * takes doorbells required for its own rings and reports the setup to amdkfd. | |
396 | * amdgpu reserved doorbells are at the start of the doorbell aperture. | |
397 | */ | |
398 | void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, | |
399 | phys_addr_t *aperture_base, | |
400 | size_t *aperture_size, | |
401 | size_t *start_offset) | |
402 | { | |
403 | /* | |
404 | * The first num_doorbells are used by amdgpu. | |
405 | * amdkfd takes whatever's left in the aperture. | |
406 | */ | |
407 | if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) { | |
408 | *aperture_base = adev->doorbell.base; | |
409 | *aperture_size = adev->doorbell.size; | |
410 | *start_offset = adev->doorbell.num_doorbells * sizeof(u32); | |
411 | } else { | |
412 | *aperture_base = 0; | |
413 | *aperture_size = 0; | |
414 | *start_offset = 0; | |
415 | } | |
416 | } | |
417 | ||
418 | /* | |
419 | * amdgpu_wb_*() | |
420 | * Writeback is the the method by which the the GPU updates special pages | |
421 | * in memory with the status of certain GPU events (fences, ring pointers, | |
422 | * etc.). | |
423 | */ | |
424 | ||
425 | /** | |
426 | * amdgpu_wb_fini - Disable Writeback and free memory | |
427 | * | |
428 | * @adev: amdgpu_device pointer | |
429 | * | |
430 | * Disables Writeback and frees the Writeback memory (all asics). | |
431 | * Used at driver shutdown. | |
432 | */ | |
433 | static void amdgpu_wb_fini(struct amdgpu_device *adev) | |
434 | { | |
435 | if (adev->wb.wb_obj) { | |
436 | if (!amdgpu_bo_reserve(adev->wb.wb_obj, false)) { | |
437 | amdgpu_bo_kunmap(adev->wb.wb_obj); | |
438 | amdgpu_bo_unpin(adev->wb.wb_obj); | |
439 | amdgpu_bo_unreserve(adev->wb.wb_obj); | |
440 | } | |
441 | amdgpu_bo_unref(&adev->wb.wb_obj); | |
442 | adev->wb.wb = NULL; | |
443 | adev->wb.wb_obj = NULL; | |
444 | } | |
445 | } | |
446 | ||
447 | /** | |
448 | * amdgpu_wb_init- Init Writeback driver info and allocate memory | |
449 | * | |
450 | * @adev: amdgpu_device pointer | |
451 | * | |
452 | * Disables Writeback and frees the Writeback memory (all asics). | |
453 | * Used at driver startup. | |
454 | * Returns 0 on success or an -error on failure. | |
455 | */ | |
456 | static int amdgpu_wb_init(struct amdgpu_device *adev) | |
457 | { | |
458 | int r; | |
459 | ||
460 | if (adev->wb.wb_obj == NULL) { | |
461 | r = amdgpu_bo_create(adev, AMDGPU_MAX_WB * 4, PAGE_SIZE, true, | |
72d7668b CK |
462 | AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, |
463 | &adev->wb.wb_obj); | |
d38ceaf9 AD |
464 | if (r) { |
465 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
466 | return r; | |
467 | } | |
468 | r = amdgpu_bo_reserve(adev->wb.wb_obj, false); | |
469 | if (unlikely(r != 0)) { | |
470 | amdgpu_wb_fini(adev); | |
471 | return r; | |
472 | } | |
473 | r = amdgpu_bo_pin(adev->wb.wb_obj, AMDGPU_GEM_DOMAIN_GTT, | |
474 | &adev->wb.gpu_addr); | |
475 | if (r) { | |
476 | amdgpu_bo_unreserve(adev->wb.wb_obj); | |
477 | dev_warn(adev->dev, "(%d) pin WB bo failed\n", r); | |
478 | amdgpu_wb_fini(adev); | |
479 | return r; | |
480 | } | |
481 | r = amdgpu_bo_kmap(adev->wb.wb_obj, (void **)&adev->wb.wb); | |
482 | amdgpu_bo_unreserve(adev->wb.wb_obj); | |
483 | if (r) { | |
484 | dev_warn(adev->dev, "(%d) map WB bo failed\n", r); | |
485 | amdgpu_wb_fini(adev); | |
486 | return r; | |
487 | } | |
488 | ||
489 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
490 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
491 | ||
492 | /* clear wb memory */ | |
493 | memset((char *)adev->wb.wb, 0, AMDGPU_GPU_PAGE_SIZE); | |
494 | } | |
495 | ||
496 | return 0; | |
497 | } | |
498 | ||
499 | /** | |
500 | * amdgpu_wb_get - Allocate a wb entry | |
501 | * | |
502 | * @adev: amdgpu_device pointer | |
503 | * @wb: wb index | |
504 | * | |
505 | * Allocate a wb slot for use by the driver (all asics). | |
506 | * Returns 0 on success or -EINVAL on failure. | |
507 | */ | |
508 | int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) | |
509 | { | |
510 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
511 | if (offset < adev->wb.num_wb) { | |
512 | __set_bit(offset, adev->wb.used); | |
513 | *wb = offset; | |
514 | return 0; | |
515 | } else { | |
516 | return -EINVAL; | |
517 | } | |
518 | } | |
519 | ||
520 | /** | |
521 | * amdgpu_wb_free - Free a wb entry | |
522 | * | |
523 | * @adev: amdgpu_device pointer | |
524 | * @wb: wb index | |
525 | * | |
526 | * Free a wb slot allocated for use by the driver (all asics) | |
527 | */ | |
528 | void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb) | |
529 | { | |
530 | if (wb < adev->wb.num_wb) | |
531 | __clear_bit(wb, adev->wb.used); | |
532 | } | |
533 | ||
534 | /** | |
535 | * amdgpu_vram_location - try to find VRAM location | |
536 | * @adev: amdgpu device structure holding all necessary informations | |
537 | * @mc: memory controller structure holding memory informations | |
538 | * @base: base address at which to put VRAM | |
539 | * | |
540 | * Function will place try to place VRAM at base address provided | |
541 | * as parameter (which is so far either PCI aperture address or | |
542 | * for IGP TOM base address). | |
543 | * | |
544 | * If there is not enough space to fit the unvisible VRAM in the 32bits | |
545 | * address space then we limit the VRAM size to the aperture. | |
546 | * | |
547 | * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size, | |
548 | * this shouldn't be a problem as we are using the PCI aperture as a reference. | |
549 | * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but | |
550 | * not IGP. | |
551 | * | |
552 | * Note: we use mc_vram_size as on some board we need to program the mc to | |
553 | * cover the whole aperture even if VRAM size is inferior to aperture size | |
554 | * Novell bug 204882 + along with lots of ubuntu ones | |
555 | * | |
556 | * Note: when limiting vram it's safe to overwritte real_vram_size because | |
557 | * we are not in case where real_vram_size is inferior to mc_vram_size (ie | |
558 | * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu | |
559 | * ones) | |
560 | * | |
561 | * Note: IGP TOM addr should be the same as the aperture addr, we don't | |
562 | * explicitly check for that thought. | |
563 | * | |
564 | * FIXME: when reducing VRAM size align new size on power of 2. | |
565 | */ | |
566 | void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base) | |
567 | { | |
568 | uint64_t limit = (uint64_t)amdgpu_vram_limit << 20; | |
569 | ||
570 | mc->vram_start = base; | |
571 | if (mc->mc_vram_size > (adev->mc.mc_mask - base + 1)) { | |
572 | dev_warn(adev->dev, "limiting VRAM to PCI aperture size\n"); | |
573 | mc->real_vram_size = mc->aper_size; | |
574 | mc->mc_vram_size = mc->aper_size; | |
575 | } | |
576 | mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; | |
577 | if (limit && limit < mc->real_vram_size) | |
578 | mc->real_vram_size = limit; | |
579 | dev_info(adev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n", | |
580 | mc->mc_vram_size >> 20, mc->vram_start, | |
581 | mc->vram_end, mc->real_vram_size >> 20); | |
582 | } | |
583 | ||
584 | /** | |
585 | * amdgpu_gtt_location - try to find GTT location | |
586 | * @adev: amdgpu device structure holding all necessary informations | |
587 | * @mc: memory controller structure holding memory informations | |
588 | * | |
589 | * Function will place try to place GTT before or after VRAM. | |
590 | * | |
591 | * If GTT size is bigger than space left then we ajust GTT size. | |
592 | * Thus function will never fails. | |
593 | * | |
594 | * FIXME: when reducing GTT size align new size on power of 2. | |
595 | */ | |
596 | void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) | |
597 | { | |
598 | u64 size_af, size_bf; | |
599 | ||
600 | size_af = ((adev->mc.mc_mask - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align; | |
601 | size_bf = mc->vram_start & ~mc->gtt_base_align; | |
602 | if (size_bf > size_af) { | |
603 | if (mc->gtt_size > size_bf) { | |
604 | dev_warn(adev->dev, "limiting GTT\n"); | |
605 | mc->gtt_size = size_bf; | |
606 | } | |
607 | mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size; | |
608 | } else { | |
609 | if (mc->gtt_size > size_af) { | |
610 | dev_warn(adev->dev, "limiting GTT\n"); | |
611 | mc->gtt_size = size_af; | |
612 | } | |
613 | mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align; | |
614 | } | |
615 | mc->gtt_end = mc->gtt_start + mc->gtt_size - 1; | |
616 | dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", | |
617 | mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end); | |
618 | } | |
619 | ||
620 | /* | |
621 | * GPU helpers function. | |
622 | */ | |
623 | /** | |
624 | * amdgpu_card_posted - check if the hw has already been initialized | |
625 | * | |
626 | * @adev: amdgpu_device pointer | |
627 | * | |
628 | * Check if the asic has been initialized (all asics). | |
629 | * Used at driver startup. | |
630 | * Returns true if initialized or false if not. | |
631 | */ | |
632 | bool amdgpu_card_posted(struct amdgpu_device *adev) | |
633 | { | |
634 | uint32_t reg; | |
635 | ||
636 | /* then check MEM_SIZE, in case the crtcs are off */ | |
637 | reg = RREG32(mmCONFIG_MEMSIZE); | |
638 | ||
639 | if (reg) | |
640 | return true; | |
641 | ||
642 | return false; | |
643 | ||
644 | } | |
645 | ||
d38ceaf9 AD |
646 | /** |
647 | * amdgpu_dummy_page_init - init dummy page used by the driver | |
648 | * | |
649 | * @adev: amdgpu_device pointer | |
650 | * | |
651 | * Allocate the dummy page used by the driver (all asics). | |
652 | * This dummy page is used by the driver as a filler for gart entries | |
653 | * when pages are taken out of the GART | |
654 | * Returns 0 on sucess, -ENOMEM on failure. | |
655 | */ | |
656 | int amdgpu_dummy_page_init(struct amdgpu_device *adev) | |
657 | { | |
658 | if (adev->dummy_page.page) | |
659 | return 0; | |
660 | adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); | |
661 | if (adev->dummy_page.page == NULL) | |
662 | return -ENOMEM; | |
663 | adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page, | |
664 | 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
665 | if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) { | |
666 | dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); | |
667 | __free_page(adev->dummy_page.page); | |
668 | adev->dummy_page.page = NULL; | |
669 | return -ENOMEM; | |
670 | } | |
671 | return 0; | |
672 | } | |
673 | ||
674 | /** | |
675 | * amdgpu_dummy_page_fini - free dummy page used by the driver | |
676 | * | |
677 | * @adev: amdgpu_device pointer | |
678 | * | |
679 | * Frees the dummy page used by the driver (all asics). | |
680 | */ | |
681 | void amdgpu_dummy_page_fini(struct amdgpu_device *adev) | |
682 | { | |
683 | if (adev->dummy_page.page == NULL) | |
684 | return; | |
685 | pci_unmap_page(adev->pdev, adev->dummy_page.addr, | |
686 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
687 | __free_page(adev->dummy_page.page); | |
688 | adev->dummy_page.page = NULL; | |
689 | } | |
690 | ||
691 | ||
692 | /* ATOM accessor methods */ | |
693 | /* | |
694 | * ATOM is an interpreted byte code stored in tables in the vbios. The | |
695 | * driver registers callbacks to access registers and the interpreter | |
696 | * in the driver parses the tables and executes then to program specific | |
697 | * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, | |
698 | * atombios.h, and atom.c | |
699 | */ | |
700 | ||
701 | /** | |
702 | * cail_pll_read - read PLL register | |
703 | * | |
704 | * @info: atom card_info pointer | |
705 | * @reg: PLL register offset | |
706 | * | |
707 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
708 | * Returns the value of the PLL register. | |
709 | */ | |
710 | static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) | |
711 | { | |
712 | return 0; | |
713 | } | |
714 | ||
715 | /** | |
716 | * cail_pll_write - write PLL register | |
717 | * | |
718 | * @info: atom card_info pointer | |
719 | * @reg: PLL register offset | |
720 | * @val: value to write to the pll register | |
721 | * | |
722 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
723 | */ | |
724 | static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) | |
725 | { | |
726 | ||
727 | } | |
728 | ||
729 | /** | |
730 | * cail_mc_read - read MC (Memory Controller) register | |
731 | * | |
732 | * @info: atom card_info pointer | |
733 | * @reg: MC register offset | |
734 | * | |
735 | * Provides an MC register accessor for the atom interpreter (r4xx+). | |
736 | * Returns the value of the MC register. | |
737 | */ | |
738 | static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) | |
739 | { | |
740 | return 0; | |
741 | } | |
742 | ||
743 | /** | |
744 | * cail_mc_write - write MC (Memory Controller) register | |
745 | * | |
746 | * @info: atom card_info pointer | |
747 | * @reg: MC register offset | |
748 | * @val: value to write to the pll register | |
749 | * | |
750 | * Provides a MC register accessor for the atom interpreter (r4xx+). | |
751 | */ | |
752 | static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) | |
753 | { | |
754 | ||
755 | } | |
756 | ||
757 | /** | |
758 | * cail_reg_write - write MMIO register | |
759 | * | |
760 | * @info: atom card_info pointer | |
761 | * @reg: MMIO register offset | |
762 | * @val: value to write to the pll register | |
763 | * | |
764 | * Provides a MMIO register accessor for the atom interpreter (r4xx+). | |
765 | */ | |
766 | static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
767 | { | |
768 | struct amdgpu_device *adev = info->dev->dev_private; | |
769 | ||
770 | WREG32(reg, val); | |
771 | } | |
772 | ||
773 | /** | |
774 | * cail_reg_read - read MMIO register | |
775 | * | |
776 | * @info: atom card_info pointer | |
777 | * @reg: MMIO register offset | |
778 | * | |
779 | * Provides an MMIO register accessor for the atom interpreter (r4xx+). | |
780 | * Returns the value of the MMIO register. | |
781 | */ | |
782 | static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) | |
783 | { | |
784 | struct amdgpu_device *adev = info->dev->dev_private; | |
785 | uint32_t r; | |
786 | ||
787 | r = RREG32(reg); | |
788 | return r; | |
789 | } | |
790 | ||
791 | /** | |
792 | * cail_ioreg_write - write IO register | |
793 | * | |
794 | * @info: atom card_info pointer | |
795 | * @reg: IO register offset | |
796 | * @val: value to write to the pll register | |
797 | * | |
798 | * Provides a IO register accessor for the atom interpreter (r4xx+). | |
799 | */ | |
800 | static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
801 | { | |
802 | struct amdgpu_device *adev = info->dev->dev_private; | |
803 | ||
804 | WREG32_IO(reg, val); | |
805 | } | |
806 | ||
807 | /** | |
808 | * cail_ioreg_read - read IO register | |
809 | * | |
810 | * @info: atom card_info pointer | |
811 | * @reg: IO register offset | |
812 | * | |
813 | * Provides an IO register accessor for the atom interpreter (r4xx+). | |
814 | * Returns the value of the IO register. | |
815 | */ | |
816 | static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg) | |
817 | { | |
818 | struct amdgpu_device *adev = info->dev->dev_private; | |
819 | uint32_t r; | |
820 | ||
821 | r = RREG32_IO(reg); | |
822 | return r; | |
823 | } | |
824 | ||
825 | /** | |
826 | * amdgpu_atombios_fini - free the driver info and callbacks for atombios | |
827 | * | |
828 | * @adev: amdgpu_device pointer | |
829 | * | |
830 | * Frees the driver info and register access callbacks for the ATOM | |
831 | * interpreter (r4xx+). | |
832 | * Called at driver shutdown. | |
833 | */ | |
834 | static void amdgpu_atombios_fini(struct amdgpu_device *adev) | |
835 | { | |
89e0ec9f | 836 | if (adev->mode_info.atom_context) { |
d38ceaf9 | 837 | kfree(adev->mode_info.atom_context->scratch); |
89e0ec9f ML |
838 | kfree(adev->mode_info.atom_context->iio); |
839 | } | |
d38ceaf9 AD |
840 | kfree(adev->mode_info.atom_context); |
841 | adev->mode_info.atom_context = NULL; | |
842 | kfree(adev->mode_info.atom_card_info); | |
843 | adev->mode_info.atom_card_info = NULL; | |
844 | } | |
845 | ||
846 | /** | |
847 | * amdgpu_atombios_init - init the driver info and callbacks for atombios | |
848 | * | |
849 | * @adev: amdgpu_device pointer | |
850 | * | |
851 | * Initializes the driver info and register access callbacks for the | |
852 | * ATOM interpreter (r4xx+). | |
853 | * Returns 0 on sucess, -ENOMEM on failure. | |
854 | * Called at driver startup. | |
855 | */ | |
856 | static int amdgpu_atombios_init(struct amdgpu_device *adev) | |
857 | { | |
858 | struct card_info *atom_card_info = | |
859 | kzalloc(sizeof(struct card_info), GFP_KERNEL); | |
860 | ||
861 | if (!atom_card_info) | |
862 | return -ENOMEM; | |
863 | ||
864 | adev->mode_info.atom_card_info = atom_card_info; | |
865 | atom_card_info->dev = adev->ddev; | |
866 | atom_card_info->reg_read = cail_reg_read; | |
867 | atom_card_info->reg_write = cail_reg_write; | |
868 | /* needed for iio ops */ | |
869 | if (adev->rio_mem) { | |
870 | atom_card_info->ioreg_read = cail_ioreg_read; | |
871 | atom_card_info->ioreg_write = cail_ioreg_write; | |
872 | } else { | |
873 | DRM_ERROR("Unable to find PCI I/O BAR; using MMIO for ATOM IIO\n"); | |
874 | atom_card_info->ioreg_read = cail_reg_read; | |
875 | atom_card_info->ioreg_write = cail_reg_write; | |
876 | } | |
877 | atom_card_info->mc_read = cail_mc_read; | |
878 | atom_card_info->mc_write = cail_mc_write; | |
879 | atom_card_info->pll_read = cail_pll_read; | |
880 | atom_card_info->pll_write = cail_pll_write; | |
881 | ||
882 | adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios); | |
883 | if (!adev->mode_info.atom_context) { | |
884 | amdgpu_atombios_fini(adev); | |
885 | return -ENOMEM; | |
886 | } | |
887 | ||
888 | mutex_init(&adev->mode_info.atom_context->mutex); | |
889 | amdgpu_atombios_scratch_regs_init(adev); | |
890 | amdgpu_atom_allocate_fb_scratch(adev->mode_info.atom_context); | |
891 | return 0; | |
892 | } | |
893 | ||
894 | /* if we get transitioned to only one device, take VGA back */ | |
895 | /** | |
896 | * amdgpu_vga_set_decode - enable/disable vga decode | |
897 | * | |
898 | * @cookie: amdgpu_device pointer | |
899 | * @state: enable/disable vga decode | |
900 | * | |
901 | * Enable/disable vga decode (all asics). | |
902 | * Returns VGA resource flags. | |
903 | */ | |
904 | static unsigned int amdgpu_vga_set_decode(void *cookie, bool state) | |
905 | { | |
906 | struct amdgpu_device *adev = cookie; | |
907 | amdgpu_asic_set_vga_state(adev, state); | |
908 | if (state) | |
909 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
910 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
911 | else | |
912 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
913 | } | |
914 | ||
915 | /** | |
916 | * amdgpu_check_pot_argument - check that argument is a power of two | |
917 | * | |
918 | * @arg: value to check | |
919 | * | |
920 | * Validates that a certain argument is a power of two (all asics). | |
921 | * Returns true if argument is valid. | |
922 | */ | |
923 | static bool amdgpu_check_pot_argument(int arg) | |
924 | { | |
925 | return (arg & (arg - 1)) == 0; | |
926 | } | |
927 | ||
928 | /** | |
929 | * amdgpu_check_arguments - validate module params | |
930 | * | |
931 | * @adev: amdgpu_device pointer | |
932 | * | |
933 | * Validates certain module parameters and updates | |
934 | * the associated values used by the driver (all asics). | |
935 | */ | |
936 | static void amdgpu_check_arguments(struct amdgpu_device *adev) | |
937 | { | |
5b011235 CZ |
938 | if (amdgpu_sched_jobs < 4) { |
939 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
940 | amdgpu_sched_jobs); | |
941 | amdgpu_sched_jobs = 4; | |
942 | } else if (!amdgpu_check_pot_argument(amdgpu_sched_jobs)){ | |
943 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", | |
944 | amdgpu_sched_jobs); | |
945 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
946 | } | |
d38ceaf9 AD |
947 | |
948 | if (amdgpu_gart_size != -1) { | |
c4e1a13a | 949 | /* gtt size must be greater or equal to 32M */ |
d38ceaf9 AD |
950 | if (amdgpu_gart_size < 32) { |
951 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
952 | amdgpu_gart_size); | |
953 | amdgpu_gart_size = -1; | |
d38ceaf9 AD |
954 | } |
955 | } | |
956 | ||
957 | if (!amdgpu_check_pot_argument(amdgpu_vm_size)) { | |
958 | dev_warn(adev->dev, "VM size (%d) must be a power of 2\n", | |
959 | amdgpu_vm_size); | |
8dacc127 | 960 | amdgpu_vm_size = 8; |
d38ceaf9 AD |
961 | } |
962 | ||
963 | if (amdgpu_vm_size < 1) { | |
964 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
965 | amdgpu_vm_size); | |
8dacc127 | 966 | amdgpu_vm_size = 8; |
d38ceaf9 AD |
967 | } |
968 | ||
969 | /* | |
970 | * Max GPUVM size for Cayman, SI and CI are 40 bits. | |
971 | */ | |
972 | if (amdgpu_vm_size > 1024) { | |
973 | dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n", | |
974 | amdgpu_vm_size); | |
8dacc127 | 975 | amdgpu_vm_size = 8; |
d38ceaf9 AD |
976 | } |
977 | ||
978 | /* defines number of bits in page table versus page directory, | |
979 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
980 | * page table and the remaining bits are in the page directory */ | |
981 | if (amdgpu_vm_block_size == -1) { | |
982 | ||
983 | /* Total bits covered by PD + PTs */ | |
984 | unsigned bits = ilog2(amdgpu_vm_size) + 18; | |
985 | ||
986 | /* Make sure the PD is 4K in size up to 8GB address space. | |
987 | Above that split equal between PD and PTs */ | |
988 | if (amdgpu_vm_size <= 8) | |
989 | amdgpu_vm_block_size = bits - 9; | |
990 | else | |
991 | amdgpu_vm_block_size = (bits + 3) / 2; | |
992 | ||
993 | } else if (amdgpu_vm_block_size < 9) { | |
994 | dev_warn(adev->dev, "VM page table size (%d) too small\n", | |
995 | amdgpu_vm_block_size); | |
996 | amdgpu_vm_block_size = 9; | |
997 | } | |
998 | ||
999 | if (amdgpu_vm_block_size > 24 || | |
1000 | (amdgpu_vm_size * 1024) < (1ull << amdgpu_vm_block_size)) { | |
1001 | dev_warn(adev->dev, "VM page table size (%d) too large\n", | |
1002 | amdgpu_vm_block_size); | |
1003 | amdgpu_vm_block_size = 9; | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | /** | |
1008 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1009 | * | |
1010 | * @pdev: pci dev pointer | |
1694467b | 1011 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1012 | * |
1013 | * Callback for the switcheroo driver. Suspends or resumes the | |
1014 | * the asics before or after it is powered up using ACPI methods. | |
1015 | */ | |
1016 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) | |
1017 | { | |
1018 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1019 | ||
1020 | if (amdgpu_device_is_px(dev) && state == VGA_SWITCHEROO_OFF) | |
1021 | return; | |
1022 | ||
1023 | if (state == VGA_SWITCHEROO_ON) { | |
1024 | unsigned d3_delay = dev->pdev->d3_delay; | |
1025 | ||
1026 | printk(KERN_INFO "amdgpu: switched on\n"); | |
1027 | /* don't suspend or resume card normally */ | |
1028 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1029 | ||
1030 | amdgpu_resume_kms(dev, true, true); | |
1031 | ||
1032 | dev->pdev->d3_delay = d3_delay; | |
1033 | ||
1034 | dev->switch_power_state = DRM_SWITCH_POWER_ON; | |
1035 | drm_kms_helper_poll_enable(dev); | |
1036 | } else { | |
1037 | printk(KERN_INFO "amdgpu: switched off\n"); | |
1038 | drm_kms_helper_poll_disable(dev); | |
1039 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1040 | amdgpu_suspend_kms(dev, true, true); | |
1041 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | /** | |
1046 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1047 | * | |
1048 | * @pdev: pci dev pointer | |
1049 | * | |
1050 | * Callback for the switcheroo driver. Check of the switcheroo | |
1051 | * state can be changed. | |
1052 | * Returns true if the state can be changed, false if not. | |
1053 | */ | |
1054 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1055 | { | |
1056 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1057 | ||
1058 | /* | |
1059 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1060 | * locking inversion with the driver load path. And the access here is | |
1061 | * completely racy anyway. So don't bother with locking for now. | |
1062 | */ | |
1063 | return dev->open_count == 0; | |
1064 | } | |
1065 | ||
1066 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1067 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1068 | .reprobe = NULL, | |
1069 | .can_switch = amdgpu_switcheroo_can_switch, | |
1070 | }; | |
1071 | ||
1072 | int amdgpu_set_clockgating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1073 | enum amd_ip_block_type block_type, |
1074 | enum amd_clockgating_state state) | |
d38ceaf9 AD |
1075 | { |
1076 | int i, r = 0; | |
1077 | ||
1078 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
9ecbe7f5 AD |
1079 | if (!adev->ip_block_status[i].valid) |
1080 | continue; | |
d38ceaf9 | 1081 | if (adev->ip_blocks[i].type == block_type) { |
5fc3aeeb | 1082 | r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, |
d38ceaf9 AD |
1083 | state); |
1084 | if (r) | |
1085 | return r; | |
a225bf1c | 1086 | break; |
d38ceaf9 AD |
1087 | } |
1088 | } | |
1089 | return r; | |
1090 | } | |
1091 | ||
1092 | int amdgpu_set_powergating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1093 | enum amd_ip_block_type block_type, |
1094 | enum amd_powergating_state state) | |
d38ceaf9 AD |
1095 | { |
1096 | int i, r = 0; | |
1097 | ||
1098 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
9ecbe7f5 AD |
1099 | if (!adev->ip_block_status[i].valid) |
1100 | continue; | |
d38ceaf9 | 1101 | if (adev->ip_blocks[i].type == block_type) { |
5fc3aeeb | 1102 | r = adev->ip_blocks[i].funcs->set_powergating_state((void *)adev, |
d38ceaf9 AD |
1103 | state); |
1104 | if (r) | |
1105 | return r; | |
a225bf1c | 1106 | break; |
d38ceaf9 AD |
1107 | } |
1108 | } | |
1109 | return r; | |
1110 | } | |
1111 | ||
5dbbb60b AD |
1112 | int amdgpu_wait_for_idle(struct amdgpu_device *adev, |
1113 | enum amd_ip_block_type block_type) | |
1114 | { | |
1115 | int i, r; | |
1116 | ||
1117 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
9ecbe7f5 AD |
1118 | if (!adev->ip_block_status[i].valid) |
1119 | continue; | |
5dbbb60b AD |
1120 | if (adev->ip_blocks[i].type == block_type) { |
1121 | r = adev->ip_blocks[i].funcs->wait_for_idle((void *)adev); | |
1122 | if (r) | |
1123 | return r; | |
1124 | break; | |
1125 | } | |
1126 | } | |
1127 | return 0; | |
1128 | ||
1129 | } | |
1130 | ||
1131 | bool amdgpu_is_idle(struct amdgpu_device *adev, | |
1132 | enum amd_ip_block_type block_type) | |
1133 | { | |
1134 | int i; | |
1135 | ||
1136 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
9ecbe7f5 AD |
1137 | if (!adev->ip_block_status[i].valid) |
1138 | continue; | |
5dbbb60b AD |
1139 | if (adev->ip_blocks[i].type == block_type) |
1140 | return adev->ip_blocks[i].funcs->is_idle((void *)adev); | |
1141 | } | |
1142 | return true; | |
1143 | ||
1144 | } | |
1145 | ||
d38ceaf9 AD |
1146 | const struct amdgpu_ip_block_version * amdgpu_get_ip_block( |
1147 | struct amdgpu_device *adev, | |
5fc3aeeb | 1148 | enum amd_ip_block_type type) |
d38ceaf9 AD |
1149 | { |
1150 | int i; | |
1151 | ||
1152 | for (i = 0; i < adev->num_ip_blocks; i++) | |
1153 | if (adev->ip_blocks[i].type == type) | |
1154 | return &adev->ip_blocks[i]; | |
1155 | ||
1156 | return NULL; | |
1157 | } | |
1158 | ||
1159 | /** | |
1160 | * amdgpu_ip_block_version_cmp | |
1161 | * | |
1162 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1163 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1164 | * @major: major version |
1165 | * @minor: minor version | |
1166 | * | |
1167 | * return 0 if equal or greater | |
1168 | * return 1 if smaller or the ip_block doesn't exist | |
1169 | */ | |
1170 | int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, | |
5fc3aeeb | 1171 | enum amd_ip_block_type type, |
d38ceaf9 AD |
1172 | u32 major, u32 minor) |
1173 | { | |
1174 | const struct amdgpu_ip_block_version *ip_block; | |
1175 | ip_block = amdgpu_get_ip_block(adev, type); | |
1176 | ||
1177 | if (ip_block && ((ip_block->major > major) || | |
1178 | ((ip_block->major == major) && | |
1179 | (ip_block->minor >= minor)))) | |
1180 | return 0; | |
1181 | ||
1182 | return 1; | |
1183 | } | |
1184 | ||
9accf2fd ED |
1185 | static void amdgpu_whether_enable_virtual_display(struct amdgpu_device *adev) |
1186 | { | |
1187 | adev->enable_virtual_display = false; | |
1188 | ||
1189 | if (amdgpu_virtual_display) { | |
1190 | struct drm_device *ddev = adev->ddev; | |
1191 | const char *pci_address_name = pci_name(ddev->pdev); | |
1192 | char *pciaddstr, *pciaddstr_tmp, *pciaddname; | |
1193 | ||
1194 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1195 | pciaddstr_tmp = pciaddstr; | |
1196 | while ((pciaddname = strsep(&pciaddstr_tmp, ";"))) { | |
1197 | if (!strcmp(pci_address_name, pciaddname)) { | |
1198 | adev->enable_virtual_display = true; | |
1199 | break; | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d\n", | |
1204 | amdgpu_virtual_display, pci_address_name, | |
1205 | adev->enable_virtual_display); | |
1206 | ||
1207 | kfree(pciaddstr); | |
1208 | } | |
1209 | } | |
1210 | ||
d38ceaf9 AD |
1211 | static int amdgpu_early_init(struct amdgpu_device *adev) |
1212 | { | |
aaa36a97 | 1213 | int i, r; |
d38ceaf9 | 1214 | |
9accf2fd | 1215 | amdgpu_whether_enable_virtual_display(adev); |
a6be7570 | 1216 | |
d38ceaf9 | 1217 | switch (adev->asic_type) { |
aaa36a97 AD |
1218 | case CHIP_TOPAZ: |
1219 | case CHIP_TONGA: | |
48299f95 | 1220 | case CHIP_FIJI: |
2cc0c0b5 FC |
1221 | case CHIP_POLARIS11: |
1222 | case CHIP_POLARIS10: | |
aaa36a97 | 1223 | case CHIP_CARRIZO: |
39bb0c92 SL |
1224 | case CHIP_STONEY: |
1225 | if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) | |
aaa36a97 AD |
1226 | adev->family = AMDGPU_FAMILY_CZ; |
1227 | else | |
1228 | adev->family = AMDGPU_FAMILY_VI; | |
1229 | ||
1230 | r = vi_set_ip_blocks(adev); | |
1231 | if (r) | |
1232 | return r; | |
1233 | break; | |
a2e73f56 AD |
1234 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1235 | case CHIP_BONAIRE: | |
1236 | case CHIP_HAWAII: | |
1237 | case CHIP_KAVERI: | |
1238 | case CHIP_KABINI: | |
1239 | case CHIP_MULLINS: | |
1240 | if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII)) | |
1241 | adev->family = AMDGPU_FAMILY_CI; | |
1242 | else | |
1243 | adev->family = AMDGPU_FAMILY_KV; | |
1244 | ||
1245 | r = cik_set_ip_blocks(adev); | |
1246 | if (r) | |
1247 | return r; | |
1248 | break; | |
1249 | #endif | |
d38ceaf9 AD |
1250 | default: |
1251 | /* FIXME: not supported yet */ | |
1252 | return -EINVAL; | |
1253 | } | |
1254 | ||
8faf0e08 AD |
1255 | adev->ip_block_status = kcalloc(adev->num_ip_blocks, |
1256 | sizeof(struct amdgpu_ip_block_status), GFP_KERNEL); | |
1257 | if (adev->ip_block_status == NULL) | |
d8d090b7 | 1258 | return -ENOMEM; |
d38ceaf9 AD |
1259 | |
1260 | if (adev->ip_blocks == NULL) { | |
1261 | DRM_ERROR("No IP blocks found!\n"); | |
1262 | return r; | |
1263 | } | |
1264 | ||
1265 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1266 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
1267 | DRM_ERROR("disabled ip block: %d\n", i); | |
8faf0e08 | 1268 | adev->ip_block_status[i].valid = false; |
d38ceaf9 AD |
1269 | } else { |
1270 | if (adev->ip_blocks[i].funcs->early_init) { | |
5fc3aeeb | 1271 | r = adev->ip_blocks[i].funcs->early_init((void *)adev); |
2c1a2784 | 1272 | if (r == -ENOENT) { |
8faf0e08 | 1273 | adev->ip_block_status[i].valid = false; |
2c1a2784 | 1274 | } else if (r) { |
88a907d6 | 1275 | DRM_ERROR("early_init of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
d38ceaf9 | 1276 | return r; |
2c1a2784 | 1277 | } else { |
8faf0e08 | 1278 | adev->ip_block_status[i].valid = true; |
2c1a2784 | 1279 | } |
974e6b64 | 1280 | } else { |
8faf0e08 | 1281 | adev->ip_block_status[i].valid = true; |
d38ceaf9 | 1282 | } |
d38ceaf9 AD |
1283 | } |
1284 | } | |
1285 | ||
395d1fb9 NH |
1286 | adev->cg_flags &= amdgpu_cg_mask; |
1287 | adev->pg_flags &= amdgpu_pg_mask; | |
1288 | ||
d38ceaf9 AD |
1289 | return 0; |
1290 | } | |
1291 | ||
1292 | static int amdgpu_init(struct amdgpu_device *adev) | |
1293 | { | |
1294 | int i, r; | |
1295 | ||
1296 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
8faf0e08 | 1297 | if (!adev->ip_block_status[i].valid) |
d38ceaf9 | 1298 | continue; |
5fc3aeeb | 1299 | r = adev->ip_blocks[i].funcs->sw_init((void *)adev); |
2c1a2784 | 1300 | if (r) { |
822b2cef | 1301 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
d38ceaf9 | 1302 | return r; |
2c1a2784 | 1303 | } |
8faf0e08 | 1304 | adev->ip_block_status[i].sw = true; |
d38ceaf9 | 1305 | /* need to do gmc hw init early so we can allocate gpu mem */ |
5fc3aeeb | 1306 | if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 | 1307 | r = amdgpu_vram_scratch_init(adev); |
2c1a2784 AD |
1308 | if (r) { |
1309 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
d38ceaf9 | 1310 | return r; |
2c1a2784 | 1311 | } |
5fc3aeeb | 1312 | r = adev->ip_blocks[i].funcs->hw_init((void *)adev); |
2c1a2784 AD |
1313 | if (r) { |
1314 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
d38ceaf9 | 1315 | return r; |
2c1a2784 | 1316 | } |
d38ceaf9 | 1317 | r = amdgpu_wb_init(adev); |
2c1a2784 AD |
1318 | if (r) { |
1319 | DRM_ERROR("amdgpu_wb_init failed %d\n", r); | |
d38ceaf9 | 1320 | return r; |
2c1a2784 | 1321 | } |
8faf0e08 | 1322 | adev->ip_block_status[i].hw = true; |
d38ceaf9 AD |
1323 | } |
1324 | } | |
1325 | ||
1326 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
8faf0e08 | 1327 | if (!adev->ip_block_status[i].sw) |
d38ceaf9 AD |
1328 | continue; |
1329 | /* gmc hw init is done early */ | |
5fc3aeeb | 1330 | if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) |
d38ceaf9 | 1331 | continue; |
5fc3aeeb | 1332 | r = adev->ip_blocks[i].funcs->hw_init((void *)adev); |
2c1a2784 | 1333 | if (r) { |
822b2cef | 1334 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
d38ceaf9 | 1335 | return r; |
2c1a2784 | 1336 | } |
8faf0e08 | 1337 | adev->ip_block_status[i].hw = true; |
d38ceaf9 AD |
1338 | } |
1339 | ||
1340 | return 0; | |
1341 | } | |
1342 | ||
1343 | static int amdgpu_late_init(struct amdgpu_device *adev) | |
1344 | { | |
1345 | int i = 0, r; | |
1346 | ||
1347 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
8faf0e08 | 1348 | if (!adev->ip_block_status[i].valid) |
d38ceaf9 AD |
1349 | continue; |
1350 | /* enable clockgating to save power */ | |
5fc3aeeb | 1351 | r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, |
1352 | AMD_CG_STATE_GATE); | |
2c1a2784 | 1353 | if (r) { |
822b2cef | 1354 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
d38ceaf9 | 1355 | return r; |
2c1a2784 | 1356 | } |
d38ceaf9 | 1357 | if (adev->ip_blocks[i].funcs->late_init) { |
5fc3aeeb | 1358 | r = adev->ip_blocks[i].funcs->late_init((void *)adev); |
2c1a2784 | 1359 | if (r) { |
822b2cef | 1360 | DRM_ERROR("late_init of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
d38ceaf9 | 1361 | return r; |
2c1a2784 | 1362 | } |
d38ceaf9 AD |
1363 | } |
1364 | } | |
1365 | ||
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | static int amdgpu_fini(struct amdgpu_device *adev) | |
1370 | { | |
1371 | int i, r; | |
1372 | ||
1373 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
8faf0e08 | 1374 | if (!adev->ip_block_status[i].hw) |
d38ceaf9 | 1375 | continue; |
5fc3aeeb | 1376 | if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 AD |
1377 | amdgpu_wb_fini(adev); |
1378 | amdgpu_vram_scratch_fini(adev); | |
1379 | } | |
1380 | /* ungate blocks before hw fini so that we can shutdown the blocks safely */ | |
5fc3aeeb | 1381 | r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, |
1382 | AMD_CG_STATE_UNGATE); | |
2c1a2784 | 1383 | if (r) { |
822b2cef | 1384 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
d38ceaf9 | 1385 | return r; |
2c1a2784 | 1386 | } |
5fc3aeeb | 1387 | r = adev->ip_blocks[i].funcs->hw_fini((void *)adev); |
d38ceaf9 | 1388 | /* XXX handle errors */ |
2c1a2784 | 1389 | if (r) { |
822b2cef | 1390 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
2c1a2784 | 1391 | } |
8faf0e08 | 1392 | adev->ip_block_status[i].hw = false; |
d38ceaf9 AD |
1393 | } |
1394 | ||
1395 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
8faf0e08 | 1396 | if (!adev->ip_block_status[i].sw) |
d38ceaf9 | 1397 | continue; |
5fc3aeeb | 1398 | r = adev->ip_blocks[i].funcs->sw_fini((void *)adev); |
d38ceaf9 | 1399 | /* XXX handle errors */ |
2c1a2784 | 1400 | if (r) { |
822b2cef | 1401 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
2c1a2784 | 1402 | } |
8faf0e08 AD |
1403 | adev->ip_block_status[i].sw = false; |
1404 | adev->ip_block_status[i].valid = false; | |
d38ceaf9 AD |
1405 | } |
1406 | ||
a6dcfd9c ML |
1407 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
1408 | if (adev->ip_blocks[i].funcs->late_fini) | |
1409 | adev->ip_blocks[i].funcs->late_fini((void *)adev); | |
1410 | } | |
1411 | ||
d38ceaf9 AD |
1412 | return 0; |
1413 | } | |
1414 | ||
1415 | static int amdgpu_suspend(struct amdgpu_device *adev) | |
1416 | { | |
1417 | int i, r; | |
1418 | ||
c5a93a28 FC |
1419 | /* ungate SMC block first */ |
1420 | r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, | |
1421 | AMD_CG_STATE_UNGATE); | |
1422 | if (r) { | |
1423 | DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n",r); | |
1424 | } | |
1425 | ||
d38ceaf9 | 1426 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
8faf0e08 | 1427 | if (!adev->ip_block_status[i].valid) |
d38ceaf9 AD |
1428 | continue; |
1429 | /* ungate blocks so that suspend can properly shut them down */ | |
c5a93a28 FC |
1430 | if (i != AMD_IP_BLOCK_TYPE_SMC) { |
1431 | r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, | |
1432 | AMD_CG_STATE_UNGATE); | |
1433 | if (r) { | |
822b2cef | 1434 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
c5a93a28 | 1435 | } |
2c1a2784 | 1436 | } |
d38ceaf9 AD |
1437 | /* XXX handle errors */ |
1438 | r = adev->ip_blocks[i].funcs->suspend(adev); | |
1439 | /* XXX handle errors */ | |
2c1a2784 | 1440 | if (r) { |
822b2cef | 1441 | DRM_ERROR("suspend of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
2c1a2784 | 1442 | } |
d38ceaf9 AD |
1443 | } |
1444 | ||
1445 | return 0; | |
1446 | } | |
1447 | ||
1448 | static int amdgpu_resume(struct amdgpu_device *adev) | |
1449 | { | |
1450 | int i, r; | |
1451 | ||
1452 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
8faf0e08 | 1453 | if (!adev->ip_block_status[i].valid) |
d38ceaf9 AD |
1454 | continue; |
1455 | r = adev->ip_blocks[i].funcs->resume(adev); | |
2c1a2784 | 1456 | if (r) { |
822b2cef | 1457 | DRM_ERROR("resume of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r); |
d38ceaf9 | 1458 | return r; |
2c1a2784 | 1459 | } |
d38ceaf9 AD |
1460 | } |
1461 | ||
1462 | return 0; | |
1463 | } | |
1464 | ||
048765ad AR |
1465 | static bool amdgpu_device_is_virtual(void) |
1466 | { | |
1467 | #ifdef CONFIG_X86 | |
1468 | return boot_cpu_has(X86_FEATURE_HYPERVISOR); | |
1469 | #else | |
1470 | return false; | |
1471 | #endif | |
1472 | } | |
1473 | ||
d38ceaf9 AD |
1474 | /** |
1475 | * amdgpu_device_init - initialize the driver | |
1476 | * | |
1477 | * @adev: amdgpu_device pointer | |
1478 | * @pdev: drm dev pointer | |
1479 | * @pdev: pci dev pointer | |
1480 | * @flags: driver flags | |
1481 | * | |
1482 | * Initializes the driver info and hw (all asics). | |
1483 | * Returns 0 for success or an error on failure. | |
1484 | * Called at driver startup. | |
1485 | */ | |
1486 | int amdgpu_device_init(struct amdgpu_device *adev, | |
1487 | struct drm_device *ddev, | |
1488 | struct pci_dev *pdev, | |
1489 | uint32_t flags) | |
1490 | { | |
1491 | int r, i; | |
1492 | bool runtime = false; | |
1493 | ||
1494 | adev->shutdown = false; | |
1495 | adev->dev = &pdev->dev; | |
1496 | adev->ddev = ddev; | |
1497 | adev->pdev = pdev; | |
1498 | adev->flags = flags; | |
2f7d10b3 | 1499 | adev->asic_type = flags & AMD_ASIC_MASK; |
d38ceaf9 AD |
1500 | adev->is_atom_bios = false; |
1501 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; | |
1502 | adev->mc.gtt_size = 512 * 1024 * 1024; | |
1503 | adev->accel_working = false; | |
1504 | adev->num_rings = 0; | |
1505 | adev->mman.buffer_funcs = NULL; | |
1506 | adev->mman.buffer_funcs_ring = NULL; | |
1507 | adev->vm_manager.vm_pte_funcs = NULL; | |
2d55e45a | 1508 | adev->vm_manager.vm_pte_num_rings = 0; |
d38ceaf9 AD |
1509 | adev->gart.gart_funcs = NULL; |
1510 | adev->fence_context = fence_context_alloc(AMDGPU_MAX_RINGS); | |
1511 | ||
1512 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
1513 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
1514 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
1515 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
1516 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; | |
1517 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
1518 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
1519 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
1520 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
1521 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
1522 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
1523 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
1524 | ||
ccdbb20a | 1525 | |
3e39ab90 AD |
1526 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
1527 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
1528 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
1529 | |
1530 | /* mutex initialization are all done here so we | |
1531 | * can recall function without having locking issues */ | |
8d0a7cea | 1532 | mutex_init(&adev->vm_manager.lock); |
d38ceaf9 | 1533 | atomic_set(&adev->irq.ih.lock, 0); |
d38ceaf9 AD |
1534 | mutex_init(&adev->pm.mutex); |
1535 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
1536 | mutex_init(&adev->srbm_mutex); | |
1537 | mutex_init(&adev->grbm_idx_mutex); | |
d38ceaf9 AD |
1538 | mutex_init(&adev->mn_lock); |
1539 | hash_init(adev->mn_hash); | |
1540 | ||
1541 | amdgpu_check_arguments(adev); | |
1542 | ||
1543 | /* Registers mapping */ | |
1544 | /* TODO: block userspace mapping of io register */ | |
1545 | spin_lock_init(&adev->mmio_idx_lock); | |
1546 | spin_lock_init(&adev->smc_idx_lock); | |
1547 | spin_lock_init(&adev->pcie_idx_lock); | |
1548 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
1549 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 1550 | spin_lock_init(&adev->gc_cac_idx_lock); |
d38ceaf9 AD |
1551 | spin_lock_init(&adev->audio_endpt_idx_lock); |
1552 | ||
1553 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
1554 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
1555 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); | |
1556 | if (adev->rmmio == NULL) { | |
1557 | return -ENOMEM; | |
1558 | } | |
1559 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
1560 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
1561 | ||
1562 | /* doorbell bar mapping */ | |
1563 | amdgpu_doorbell_init(adev); | |
1564 | ||
1565 | /* io port mapping */ | |
1566 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
1567 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
1568 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
1569 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
1570 | break; | |
1571 | } | |
1572 | } | |
1573 | if (adev->rio_mem == NULL) | |
1574 | DRM_ERROR("Unable to find PCI I/O BAR\n"); | |
1575 | ||
1576 | /* early init functions */ | |
1577 | r = amdgpu_early_init(adev); | |
1578 | if (r) | |
1579 | return r; | |
1580 | ||
1581 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ | |
1582 | /* this will fail for cards that aren't VGA class devices, just | |
1583 | * ignore it */ | |
1584 | vga_client_register(adev->pdev, adev, NULL, amdgpu_vga_set_decode); | |
1585 | ||
1586 | if (amdgpu_runtime_pm == 1) | |
1587 | runtime = true; | |
e9bef455 | 1588 | if (amdgpu_device_is_px(ddev)) |
d38ceaf9 AD |
1589 | runtime = true; |
1590 | vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime); | |
1591 | if (runtime) | |
1592 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); | |
1593 | ||
1594 | /* Read BIOS */ | |
83ba126a AD |
1595 | if (!amdgpu_get_bios(adev)) { |
1596 | r = -EINVAL; | |
1597 | goto failed; | |
1598 | } | |
d38ceaf9 AD |
1599 | /* Must be an ATOMBIOS */ |
1600 | if (!adev->is_atom_bios) { | |
1601 | dev_err(adev->dev, "Expecting atombios for GPU\n"); | |
83ba126a AD |
1602 | r = -EINVAL; |
1603 | goto failed; | |
d38ceaf9 AD |
1604 | } |
1605 | r = amdgpu_atombios_init(adev); | |
2c1a2784 AD |
1606 | if (r) { |
1607 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
83ba126a | 1608 | goto failed; |
2c1a2784 | 1609 | } |
d38ceaf9 | 1610 | |
7e471e6f AD |
1611 | /* See if the asic supports SR-IOV */ |
1612 | adev->virtualization.supports_sr_iov = | |
1613 | amdgpu_atombios_has_gpu_virtualization_table(adev); | |
1614 | ||
048765ad AR |
1615 | /* Check if we are executing in a virtualized environment */ |
1616 | adev->virtualization.is_virtual = amdgpu_device_is_virtual(); | |
1617 | adev->virtualization.caps = amdgpu_asic_get_virtual_caps(adev); | |
1618 | ||
d38ceaf9 | 1619 | /* Post card if necessary */ |
048765ad AR |
1620 | if (!amdgpu_card_posted(adev) || |
1621 | (adev->virtualization.is_virtual && | |
48a70e1c | 1622 | !(adev->virtualization.caps & AMDGPU_VIRT_CAPS_SRIOV_EN))) { |
d38ceaf9 AD |
1623 | if (!adev->bios) { |
1624 | dev_err(adev->dev, "Card not posted and no BIOS - ignoring\n"); | |
83ba126a AD |
1625 | r = -EINVAL; |
1626 | goto failed; | |
d38ceaf9 AD |
1627 | } |
1628 | DRM_INFO("GPU not posted. posting now...\n"); | |
1629 | amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
1630 | } | |
1631 | ||
1632 | /* Initialize clocks */ | |
1633 | r = amdgpu_atombios_get_clock_info(adev); | |
2c1a2784 AD |
1634 | if (r) { |
1635 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
83ba126a | 1636 | goto failed; |
2c1a2784 | 1637 | } |
d38ceaf9 AD |
1638 | /* init i2c buses */ |
1639 | amdgpu_atombios_i2c_init(adev); | |
1640 | ||
1641 | /* Fence driver */ | |
1642 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
1643 | if (r) { |
1644 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
83ba126a | 1645 | goto failed; |
2c1a2784 | 1646 | } |
d38ceaf9 AD |
1647 | |
1648 | /* init the mode config */ | |
1649 | drm_mode_config_init(adev->ddev); | |
1650 | ||
1651 | r = amdgpu_init(adev); | |
1652 | if (r) { | |
2c1a2784 | 1653 | dev_err(adev->dev, "amdgpu_init failed\n"); |
d38ceaf9 | 1654 | amdgpu_fini(adev); |
83ba126a | 1655 | goto failed; |
d38ceaf9 AD |
1656 | } |
1657 | ||
1658 | adev->accel_working = true; | |
1659 | ||
1660 | amdgpu_fbdev_init(adev); | |
1661 | ||
1662 | r = amdgpu_ib_pool_init(adev); | |
1663 | if (r) { | |
1664 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
83ba126a | 1665 | goto failed; |
d38ceaf9 AD |
1666 | } |
1667 | ||
1668 | r = amdgpu_ib_ring_tests(adev); | |
1669 | if (r) | |
1670 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
1671 | ||
1672 | r = amdgpu_gem_debugfs_init(adev); | |
1673 | if (r) { | |
1674 | DRM_ERROR("registering gem debugfs failed (%d).\n", r); | |
1675 | } | |
1676 | ||
1677 | r = amdgpu_debugfs_regs_init(adev); | |
1678 | if (r) { | |
1679 | DRM_ERROR("registering register debugfs failed (%d).\n", r); | |
1680 | } | |
1681 | ||
50ab2533 HR |
1682 | r = amdgpu_debugfs_firmware_init(adev); |
1683 | if (r) { | |
1684 | DRM_ERROR("registering firmware debugfs failed (%d).\n", r); | |
1685 | return r; | |
1686 | } | |
1687 | ||
d38ceaf9 AD |
1688 | if ((amdgpu_testing & 1)) { |
1689 | if (adev->accel_working) | |
1690 | amdgpu_test_moves(adev); | |
1691 | else | |
1692 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
1693 | } | |
1694 | if ((amdgpu_testing & 2)) { | |
1695 | if (adev->accel_working) | |
1696 | amdgpu_test_syncing(adev); | |
1697 | else | |
1698 | DRM_INFO("amdgpu: acceleration disabled, skipping sync tests\n"); | |
1699 | } | |
1700 | if (amdgpu_benchmarking) { | |
1701 | if (adev->accel_working) | |
1702 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
1703 | else | |
1704 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
1705 | } | |
1706 | ||
1707 | /* enable clockgating, etc. after ib tests, etc. since some blocks require | |
1708 | * explicit gating rather than handling it automatically. | |
1709 | */ | |
1710 | r = amdgpu_late_init(adev); | |
2c1a2784 AD |
1711 | if (r) { |
1712 | dev_err(adev->dev, "amdgpu_late_init failed\n"); | |
83ba126a | 1713 | goto failed; |
2c1a2784 | 1714 | } |
d38ceaf9 AD |
1715 | |
1716 | return 0; | |
83ba126a AD |
1717 | |
1718 | failed: | |
1719 | if (runtime) | |
1720 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
1721 | return r; | |
d38ceaf9 AD |
1722 | } |
1723 | ||
1724 | static void amdgpu_debugfs_remove_files(struct amdgpu_device *adev); | |
1725 | ||
1726 | /** | |
1727 | * amdgpu_device_fini - tear down the driver | |
1728 | * | |
1729 | * @adev: amdgpu_device pointer | |
1730 | * | |
1731 | * Tear down the driver info (all asics). | |
1732 | * Called at driver shutdown. | |
1733 | */ | |
1734 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
1735 | { | |
1736 | int r; | |
1737 | ||
1738 | DRM_INFO("amdgpu: finishing device.\n"); | |
1739 | adev->shutdown = true; | |
1740 | /* evict vram memory */ | |
1741 | amdgpu_bo_evict_vram(adev); | |
1742 | amdgpu_ib_pool_fini(adev); | |
1743 | amdgpu_fence_driver_fini(adev); | |
84b89bdc | 1744 | drm_crtc_force_disable_all(adev->ddev); |
d38ceaf9 AD |
1745 | amdgpu_fbdev_fini(adev); |
1746 | r = amdgpu_fini(adev); | |
8faf0e08 AD |
1747 | kfree(adev->ip_block_status); |
1748 | adev->ip_block_status = NULL; | |
d38ceaf9 AD |
1749 | adev->accel_working = false; |
1750 | /* free i2c buses */ | |
1751 | amdgpu_i2c_fini(adev); | |
1752 | amdgpu_atombios_fini(adev); | |
1753 | kfree(adev->bios); | |
1754 | adev->bios = NULL; | |
1755 | vga_switcheroo_unregister_client(adev->pdev); | |
83ba126a AD |
1756 | if (adev->flags & AMD_IS_PX) |
1757 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
d38ceaf9 AD |
1758 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
1759 | if (adev->rio_mem) | |
1760 | pci_iounmap(adev->pdev, adev->rio_mem); | |
1761 | adev->rio_mem = NULL; | |
1762 | iounmap(adev->rmmio); | |
1763 | adev->rmmio = NULL; | |
1764 | amdgpu_doorbell_fini(adev); | |
1765 | amdgpu_debugfs_regs_cleanup(adev); | |
1766 | amdgpu_debugfs_remove_files(adev); | |
1767 | } | |
1768 | ||
1769 | ||
1770 | /* | |
1771 | * Suspend & resume. | |
1772 | */ | |
1773 | /** | |
1774 | * amdgpu_suspend_kms - initiate device suspend | |
1775 | * | |
1776 | * @pdev: drm dev pointer | |
1777 | * @state: suspend state | |
1778 | * | |
1779 | * Puts the hw in the suspend state (all asics). | |
1780 | * Returns 0 for success or an error on failure. | |
1781 | * Called at driver suspend. | |
1782 | */ | |
1783 | int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon) | |
1784 | { | |
1785 | struct amdgpu_device *adev; | |
1786 | struct drm_crtc *crtc; | |
1787 | struct drm_connector *connector; | |
5ceb54c6 | 1788 | int r; |
d38ceaf9 AD |
1789 | |
1790 | if (dev == NULL || dev->dev_private == NULL) { | |
1791 | return -ENODEV; | |
1792 | } | |
1793 | ||
1794 | adev = dev->dev_private; | |
1795 | ||
1796 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
1797 | return 0; | |
1798 | ||
1799 | drm_kms_helper_poll_disable(dev); | |
1800 | ||
1801 | /* turn off display hw */ | |
4c7fbc39 | 1802 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
1803 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
1804 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
1805 | } | |
4c7fbc39 | 1806 | drm_modeset_unlock_all(dev); |
d38ceaf9 | 1807 | |
756e6880 | 1808 | /* unpin the front buffers and cursors */ |
d38ceaf9 | 1809 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
756e6880 | 1810 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); |
d38ceaf9 AD |
1811 | struct amdgpu_framebuffer *rfb = to_amdgpu_framebuffer(crtc->primary->fb); |
1812 | struct amdgpu_bo *robj; | |
1813 | ||
756e6880 AD |
1814 | if (amdgpu_crtc->cursor_bo) { |
1815 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
1816 | r = amdgpu_bo_reserve(aobj, false); | |
1817 | if (r == 0) { | |
1818 | amdgpu_bo_unpin(aobj); | |
1819 | amdgpu_bo_unreserve(aobj); | |
1820 | } | |
1821 | } | |
1822 | ||
d38ceaf9 AD |
1823 | if (rfb == NULL || rfb->obj == NULL) { |
1824 | continue; | |
1825 | } | |
1826 | robj = gem_to_amdgpu_bo(rfb->obj); | |
1827 | /* don't unpin kernel fb objects */ | |
1828 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
1829 | r = amdgpu_bo_reserve(robj, false); | |
1830 | if (r == 0) { | |
1831 | amdgpu_bo_unpin(robj); | |
1832 | amdgpu_bo_unreserve(robj); | |
1833 | } | |
1834 | } | |
1835 | } | |
1836 | /* evict vram memory */ | |
1837 | amdgpu_bo_evict_vram(adev); | |
1838 | ||
5ceb54c6 | 1839 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 AD |
1840 | |
1841 | r = amdgpu_suspend(adev); | |
1842 | ||
1843 | /* evict remaining vram memory */ | |
1844 | amdgpu_bo_evict_vram(adev); | |
1845 | ||
1846 | pci_save_state(dev->pdev); | |
1847 | if (suspend) { | |
1848 | /* Shut down the device */ | |
1849 | pci_disable_device(dev->pdev); | |
1850 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
1851 | } | |
1852 | ||
1853 | if (fbcon) { | |
1854 | console_lock(); | |
1855 | amdgpu_fbdev_set_suspend(adev, 1); | |
1856 | console_unlock(); | |
1857 | } | |
1858 | return 0; | |
1859 | } | |
1860 | ||
1861 | /** | |
1862 | * amdgpu_resume_kms - initiate device resume | |
1863 | * | |
1864 | * @pdev: drm dev pointer | |
1865 | * | |
1866 | * Bring the hw back to operating state (all asics). | |
1867 | * Returns 0 for success or an error on failure. | |
1868 | * Called at driver resume. | |
1869 | */ | |
1870 | int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon) | |
1871 | { | |
1872 | struct drm_connector *connector; | |
1873 | struct amdgpu_device *adev = dev->dev_private; | |
756e6880 | 1874 | struct drm_crtc *crtc; |
d38ceaf9 AD |
1875 | int r; |
1876 | ||
1877 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
1878 | return 0; | |
1879 | ||
1880 | if (fbcon) { | |
1881 | console_lock(); | |
1882 | } | |
1883 | if (resume) { | |
1884 | pci_set_power_state(dev->pdev, PCI_D0); | |
1885 | pci_restore_state(dev->pdev); | |
1886 | if (pci_enable_device(dev->pdev)) { | |
1887 | if (fbcon) | |
1888 | console_unlock(); | |
1889 | return -1; | |
1890 | } | |
1891 | } | |
1892 | ||
1893 | /* post card */ | |
ca198528 FC |
1894 | if (!amdgpu_card_posted(adev)) |
1895 | amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
d38ceaf9 AD |
1896 | |
1897 | r = amdgpu_resume(adev); | |
ca198528 FC |
1898 | if (r) |
1899 | DRM_ERROR("amdgpu_resume failed (%d).\n", r); | |
d38ceaf9 | 1900 | |
5ceb54c6 AD |
1901 | amdgpu_fence_driver_resume(adev); |
1902 | ||
ca198528 FC |
1903 | if (resume) { |
1904 | r = amdgpu_ib_ring_tests(adev); | |
1905 | if (r) | |
1906 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
1907 | } | |
d38ceaf9 AD |
1908 | |
1909 | r = amdgpu_late_init(adev); | |
1910 | if (r) | |
1911 | return r; | |
1912 | ||
756e6880 AD |
1913 | /* pin cursors */ |
1914 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
1915 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
1916 | ||
1917 | if (amdgpu_crtc->cursor_bo) { | |
1918 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
1919 | r = amdgpu_bo_reserve(aobj, false); | |
1920 | if (r == 0) { | |
1921 | r = amdgpu_bo_pin(aobj, | |
1922 | AMDGPU_GEM_DOMAIN_VRAM, | |
1923 | &amdgpu_crtc->cursor_addr); | |
1924 | if (r != 0) | |
1925 | DRM_ERROR("Failed to pin cursor BO (%d)\n", r); | |
1926 | amdgpu_bo_unreserve(aobj); | |
1927 | } | |
1928 | } | |
1929 | } | |
1930 | ||
d38ceaf9 AD |
1931 | /* blat the mode back in */ |
1932 | if (fbcon) { | |
1933 | drm_helper_resume_force_mode(dev); | |
1934 | /* turn on display hw */ | |
4c7fbc39 | 1935 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
1936 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
1937 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); | |
1938 | } | |
4c7fbc39 | 1939 | drm_modeset_unlock_all(dev); |
d38ceaf9 AD |
1940 | } |
1941 | ||
1942 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 L |
1943 | |
1944 | /* | |
1945 | * Most of the connector probing functions try to acquire runtime pm | |
1946 | * refs to ensure that the GPU is powered on when connector polling is | |
1947 | * performed. Since we're calling this from a runtime PM callback, | |
1948 | * trying to acquire rpm refs will cause us to deadlock. | |
1949 | * | |
1950 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
1951 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
1952 | */ | |
1953 | #ifdef CONFIG_PM | |
1954 | dev->dev->power.disable_depth++; | |
1955 | #endif | |
54fb2a5c | 1956 | drm_helper_hpd_irq_event(dev); |
23a1a9e5 L |
1957 | #ifdef CONFIG_PM |
1958 | dev->dev->power.disable_depth--; | |
1959 | #endif | |
d38ceaf9 AD |
1960 | |
1961 | if (fbcon) { | |
1962 | amdgpu_fbdev_set_suspend(adev, 0); | |
1963 | console_unlock(); | |
1964 | } | |
1965 | ||
1966 | return 0; | |
1967 | } | |
1968 | ||
63fbf42f CZ |
1969 | static bool amdgpu_check_soft_reset(struct amdgpu_device *adev) |
1970 | { | |
1971 | int i; | |
1972 | bool asic_hang = false; | |
1973 | ||
1974 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1975 | if (!adev->ip_block_status[i].valid) | |
1976 | continue; | |
1977 | if (adev->ip_blocks[i].funcs->check_soft_reset) | |
1978 | adev->ip_blocks[i].funcs->check_soft_reset(adev); | |
1979 | if (adev->ip_block_status[i].hang) { | |
1980 | DRM_INFO("IP block:%d is hang!\n", i); | |
1981 | asic_hang = true; | |
1982 | } | |
1983 | } | |
1984 | return asic_hang; | |
1985 | } | |
1986 | ||
d31a501e CZ |
1987 | int amdgpu_pre_soft_reset(struct amdgpu_device *adev) |
1988 | { | |
1989 | int i, r = 0; | |
1990 | ||
1991 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1992 | if (!adev->ip_block_status[i].valid) | |
1993 | continue; | |
35d782fe CZ |
1994 | if (adev->ip_block_status[i].hang && |
1995 | adev->ip_blocks[i].funcs->pre_soft_reset) { | |
d31a501e CZ |
1996 | r = adev->ip_blocks[i].funcs->pre_soft_reset(adev); |
1997 | if (r) | |
1998 | return r; | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | return 0; | |
2003 | } | |
2004 | ||
35d782fe CZ |
2005 | static bool amdgpu_need_full_reset(struct amdgpu_device *adev) |
2006 | { | |
2007 | if (adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang || | |
35d782fe | 2008 | adev->ip_block_status[AMD_IP_BLOCK_TYPE_SMC].hang || |
35d782fe CZ |
2009 | adev->ip_block_status[AMD_IP_BLOCK_TYPE_ACP].hang || |
2010 | adev->ip_block_status[AMD_IP_BLOCK_TYPE_DCE].hang) { | |
2011 | DRM_INFO("Some block need full reset!\n"); | |
2012 | return true; | |
2013 | } | |
2014 | return false; | |
2015 | } | |
2016 | ||
2017 | static int amdgpu_soft_reset(struct amdgpu_device *adev) | |
2018 | { | |
2019 | int i, r = 0; | |
2020 | ||
2021 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2022 | if (!adev->ip_block_status[i].valid) | |
2023 | continue; | |
2024 | if (adev->ip_block_status[i].hang && | |
2025 | adev->ip_blocks[i].funcs->soft_reset) { | |
2026 | r = adev->ip_blocks[i].funcs->soft_reset(adev); | |
2027 | if (r) | |
2028 | return r; | |
2029 | } | |
2030 | } | |
2031 | ||
2032 | return 0; | |
2033 | } | |
2034 | ||
2035 | static int amdgpu_post_soft_reset(struct amdgpu_device *adev) | |
2036 | { | |
2037 | int i, r = 0; | |
2038 | ||
2039 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
2040 | if (!adev->ip_block_status[i].valid) | |
2041 | continue; | |
2042 | if (adev->ip_block_status[i].hang && | |
2043 | adev->ip_blocks[i].funcs->post_soft_reset) | |
2044 | r = adev->ip_blocks[i].funcs->post_soft_reset(adev); | |
2045 | if (r) | |
2046 | return r; | |
2047 | } | |
2048 | ||
2049 | return 0; | |
2050 | } | |
2051 | ||
d38ceaf9 AD |
2052 | /** |
2053 | * amdgpu_gpu_reset - reset the asic | |
2054 | * | |
2055 | * @adev: amdgpu device pointer | |
2056 | * | |
2057 | * Attempt the reset the GPU if it has hung (all asics). | |
2058 | * Returns 0 for success or an error on failure. | |
2059 | */ | |
2060 | int amdgpu_gpu_reset(struct amdgpu_device *adev) | |
2061 | { | |
d38ceaf9 AD |
2062 | int i, r; |
2063 | int resched; | |
35d782fe | 2064 | bool need_full_reset; |
d38ceaf9 | 2065 | |
63fbf42f CZ |
2066 | if (!amdgpu_check_soft_reset(adev)) { |
2067 | DRM_INFO("No hardware hang detected. Did some blocks stall?\n"); | |
2068 | return 0; | |
2069 | } | |
2070 | ||
d94aed5a | 2071 | atomic_inc(&adev->gpu_reset_counter); |
d38ceaf9 | 2072 | |
a3c47d6b CZ |
2073 | /* block TTM */ |
2074 | resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); | |
2075 | ||
0875dc9e CZ |
2076 | /* block scheduler */ |
2077 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
2078 | struct amdgpu_ring *ring = adev->rings[i]; | |
2079 | ||
2080 | if (!ring) | |
2081 | continue; | |
2082 | kthread_park(ring->sched.thread); | |
aa1c8900 | 2083 | amd_sched_hw_job_reset(&ring->sched); |
0875dc9e | 2084 | } |
2200edac CZ |
2085 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
2086 | amdgpu_fence_driver_force_completion(adev); | |
d38ceaf9 | 2087 | |
35d782fe | 2088 | need_full_reset = amdgpu_need_full_reset(adev); |
d38ceaf9 | 2089 | |
35d782fe CZ |
2090 | if (!need_full_reset) { |
2091 | amdgpu_pre_soft_reset(adev); | |
2092 | r = amdgpu_soft_reset(adev); | |
2093 | amdgpu_post_soft_reset(adev); | |
2094 | if (r || amdgpu_check_soft_reset(adev)) { | |
2095 | DRM_INFO("soft reset failed, will fallback to full reset!\n"); | |
2096 | need_full_reset = true; | |
2097 | } | |
f1aa7e08 CZ |
2098 | } |
2099 | ||
35d782fe CZ |
2100 | if (need_full_reset) { |
2101 | /* save scratch */ | |
2102 | amdgpu_atombios_scratch_regs_save(adev); | |
2103 | r = amdgpu_suspend(adev); | |
bfa99269 | 2104 | |
35d782fe CZ |
2105 | retry: |
2106 | /* Disable fb access */ | |
2107 | if (adev->mode_info.num_crtc) { | |
2108 | struct amdgpu_mode_mc_save save; | |
2109 | amdgpu_display_stop_mc_access(adev, &save); | |
2110 | amdgpu_wait_for_idle(adev, AMD_IP_BLOCK_TYPE_GMC); | |
2111 | } | |
2112 | ||
2113 | r = amdgpu_asic_reset(adev); | |
2114 | /* post card */ | |
2115 | amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
2116 | ||
2117 | if (!r) { | |
2118 | dev_info(adev->dev, "GPU reset succeeded, trying to resume\n"); | |
2119 | r = amdgpu_resume(adev); | |
2120 | } | |
2121 | /* restore scratch */ | |
2122 | amdgpu_atombios_scratch_regs_restore(adev); | |
d38ceaf9 | 2123 | } |
d38ceaf9 | 2124 | if (!r) { |
e72cfd58 | 2125 | amdgpu_irq_gpu_reset_resume_helper(adev); |
1f465087 CZ |
2126 | r = amdgpu_ib_ring_tests(adev); |
2127 | if (r) { | |
2128 | dev_err(adev->dev, "ib ring test failed (%d).\n", r); | |
40019dc4 CZ |
2129 | r = amdgpu_suspend(adev); |
2130 | goto retry; | |
1f465087 CZ |
2131 | } |
2132 | ||
d38ceaf9 AD |
2133 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
2134 | struct amdgpu_ring *ring = adev->rings[i]; | |
2135 | if (!ring) | |
2136 | continue; | |
aa1c8900 | 2137 | amd_sched_job_recovery(&ring->sched); |
0875dc9e | 2138 | kthread_unpark(ring->sched.thread); |
d38ceaf9 | 2139 | } |
d38ceaf9 | 2140 | } else { |
2200edac | 2141 | dev_err(adev->dev, "asic resume failed (%d).\n", r); |
d38ceaf9 | 2142 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
0875dc9e CZ |
2143 | if (adev->rings[i]) { |
2144 | kthread_unpark(adev->rings[i]->sched.thread); | |
0875dc9e | 2145 | } |
d38ceaf9 AD |
2146 | } |
2147 | } | |
2148 | ||
2149 | drm_helper_resume_force_mode(adev->ddev); | |
2150 | ||
2151 | ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); | |
2152 | if (r) { | |
2153 | /* bad news, how to tell it to userspace ? */ | |
2154 | dev_info(adev->dev, "GPU reset failed\n"); | |
2155 | } | |
2156 | ||
d38ceaf9 AD |
2157 | return r; |
2158 | } | |
2159 | ||
d0dd7f0c AD |
2160 | void amdgpu_get_pcie_info(struct amdgpu_device *adev) |
2161 | { | |
2162 | u32 mask; | |
2163 | int ret; | |
2164 | ||
cd474ba0 AD |
2165 | if (amdgpu_pcie_gen_cap) |
2166 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 2167 | |
cd474ba0 AD |
2168 | if (amdgpu_pcie_lane_cap) |
2169 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 2170 | |
cd474ba0 AD |
2171 | /* covers APUs as well */ |
2172 | if (pci_is_root_bus(adev->pdev->bus)) { | |
2173 | if (adev->pm.pcie_gen_mask == 0) | |
2174 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
2175 | if (adev->pm.pcie_mlw_mask == 0) | |
2176 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 2177 | return; |
cd474ba0 | 2178 | } |
d0dd7f0c | 2179 | |
cd474ba0 AD |
2180 | if (adev->pm.pcie_gen_mask == 0) { |
2181 | ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); | |
2182 | if (!ret) { | |
2183 | adev->pm.pcie_gen_mask = (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
2184 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
2185 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
2186 | ||
2187 | if (mask & DRM_PCIE_SPEED_25) | |
2188 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
2189 | if (mask & DRM_PCIE_SPEED_50) | |
2190 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2; | |
2191 | if (mask & DRM_PCIE_SPEED_80) | |
2192 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3; | |
2193 | } else { | |
2194 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
2195 | } | |
2196 | } | |
2197 | if (adev->pm.pcie_mlw_mask == 0) { | |
2198 | ret = drm_pcie_get_max_link_width(adev->ddev, &mask); | |
2199 | if (!ret) { | |
2200 | switch (mask) { | |
2201 | case 32: | |
2202 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | | |
2203 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
2204 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
2205 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2206 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2207 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2208 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2209 | break; | |
2210 | case 16: | |
2211 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
2212 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
2213 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2214 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2215 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2216 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2217 | break; | |
2218 | case 12: | |
2219 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
2220 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2221 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2222 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2223 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2224 | break; | |
2225 | case 8: | |
2226 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2227 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2228 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2229 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2230 | break; | |
2231 | case 4: | |
2232 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2233 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2234 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2235 | break; | |
2236 | case 2: | |
2237 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2238 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2239 | break; | |
2240 | case 1: | |
2241 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; | |
2242 | break; | |
2243 | default: | |
2244 | break; | |
2245 | } | |
2246 | } else { | |
2247 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c AD |
2248 | } |
2249 | } | |
2250 | } | |
d38ceaf9 AD |
2251 | |
2252 | /* | |
2253 | * Debugfs | |
2254 | */ | |
2255 | int amdgpu_debugfs_add_files(struct amdgpu_device *adev, | |
06ab6832 | 2256 | const struct drm_info_list *files, |
d38ceaf9 AD |
2257 | unsigned nfiles) |
2258 | { | |
2259 | unsigned i; | |
2260 | ||
2261 | for (i = 0; i < adev->debugfs_count; i++) { | |
2262 | if (adev->debugfs[i].files == files) { | |
2263 | /* Already registered */ | |
2264 | return 0; | |
2265 | } | |
2266 | } | |
2267 | ||
2268 | i = adev->debugfs_count + 1; | |
2269 | if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) { | |
2270 | DRM_ERROR("Reached maximum number of debugfs components.\n"); | |
2271 | DRM_ERROR("Report so we increase " | |
2272 | "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n"); | |
2273 | return -EINVAL; | |
2274 | } | |
2275 | adev->debugfs[adev->debugfs_count].files = files; | |
2276 | adev->debugfs[adev->debugfs_count].num_files = nfiles; | |
2277 | adev->debugfs_count = i; | |
2278 | #if defined(CONFIG_DEBUG_FS) | |
2279 | drm_debugfs_create_files(files, nfiles, | |
2280 | adev->ddev->control->debugfs_root, | |
2281 | adev->ddev->control); | |
2282 | drm_debugfs_create_files(files, nfiles, | |
2283 | adev->ddev->primary->debugfs_root, | |
2284 | adev->ddev->primary); | |
2285 | #endif | |
2286 | return 0; | |
2287 | } | |
2288 | ||
2289 | static void amdgpu_debugfs_remove_files(struct amdgpu_device *adev) | |
2290 | { | |
2291 | #if defined(CONFIG_DEBUG_FS) | |
2292 | unsigned i; | |
2293 | ||
2294 | for (i = 0; i < adev->debugfs_count; i++) { | |
2295 | drm_debugfs_remove_files(adev->debugfs[i].files, | |
2296 | adev->debugfs[i].num_files, | |
2297 | adev->ddev->control); | |
2298 | drm_debugfs_remove_files(adev->debugfs[i].files, | |
2299 | adev->debugfs[i].num_files, | |
2300 | adev->ddev->primary); | |
2301 | } | |
2302 | #endif | |
2303 | } | |
2304 | ||
2305 | #if defined(CONFIG_DEBUG_FS) | |
2306 | ||
2307 | static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, | |
2308 | size_t size, loff_t *pos) | |
2309 | { | |
2310 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2311 | ssize_t result = 0; | |
2312 | int r; | |
bd12267d | 2313 | bool pm_pg_lock, use_bank; |
56628159 | 2314 | unsigned instance_bank, sh_bank, se_bank; |
d38ceaf9 AD |
2315 | |
2316 | if (size & 0x3 || *pos & 0x3) | |
2317 | return -EINVAL; | |
2318 | ||
bd12267d TSD |
2319 | /* are we reading registers for which a PG lock is necessary? */ |
2320 | pm_pg_lock = (*pos >> 23) & 1; | |
2321 | ||
56628159 TSD |
2322 | if (*pos & (1ULL << 62)) { |
2323 | se_bank = (*pos >> 24) & 0x3FF; | |
2324 | sh_bank = (*pos >> 34) & 0x3FF; | |
2325 | instance_bank = (*pos >> 44) & 0x3FF; | |
2326 | use_bank = 1; | |
56628159 TSD |
2327 | } else { |
2328 | use_bank = 0; | |
2329 | } | |
2330 | ||
bd12267d TSD |
2331 | *pos &= 0x3FFFF; |
2332 | ||
56628159 TSD |
2333 | if (use_bank) { |
2334 | if (sh_bank >= adev->gfx.config.max_sh_per_se || | |
2335 | se_bank >= adev->gfx.config.max_shader_engines) | |
2336 | return -EINVAL; | |
2337 | mutex_lock(&adev->grbm_idx_mutex); | |
2338 | amdgpu_gfx_select_se_sh(adev, se_bank, | |
2339 | sh_bank, instance_bank); | |
2340 | } | |
2341 | ||
bd12267d TSD |
2342 | if (pm_pg_lock) |
2343 | mutex_lock(&adev->pm.mutex); | |
2344 | ||
d38ceaf9 AD |
2345 | while (size) { |
2346 | uint32_t value; | |
2347 | ||
2348 | if (*pos > adev->rmmio_size) | |
56628159 | 2349 | goto end; |
d38ceaf9 AD |
2350 | |
2351 | value = RREG32(*pos >> 2); | |
2352 | r = put_user(value, (uint32_t *)buf); | |
56628159 TSD |
2353 | if (r) { |
2354 | result = r; | |
2355 | goto end; | |
2356 | } | |
d38ceaf9 AD |
2357 | |
2358 | result += 4; | |
2359 | buf += 4; | |
2360 | *pos += 4; | |
2361 | size -= 4; | |
2362 | } | |
2363 | ||
56628159 TSD |
2364 | end: |
2365 | if (use_bank) { | |
2366 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); | |
2367 | mutex_unlock(&adev->grbm_idx_mutex); | |
2368 | } | |
2369 | ||
bd12267d TSD |
2370 | if (pm_pg_lock) |
2371 | mutex_unlock(&adev->pm.mutex); | |
2372 | ||
d38ceaf9 AD |
2373 | return result; |
2374 | } | |
2375 | ||
2376 | static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, | |
2377 | size_t size, loff_t *pos) | |
2378 | { | |
2379 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2380 | ssize_t result = 0; | |
2381 | int r; | |
2382 | ||
2383 | if (size & 0x3 || *pos & 0x3) | |
2384 | return -EINVAL; | |
2385 | ||
2386 | while (size) { | |
2387 | uint32_t value; | |
2388 | ||
2389 | if (*pos > adev->rmmio_size) | |
2390 | return result; | |
2391 | ||
2392 | r = get_user(value, (uint32_t *)buf); | |
2393 | if (r) | |
2394 | return r; | |
2395 | ||
2396 | WREG32(*pos >> 2, value); | |
2397 | ||
2398 | result += 4; | |
2399 | buf += 4; | |
2400 | *pos += 4; | |
2401 | size -= 4; | |
2402 | } | |
2403 | ||
2404 | return result; | |
2405 | } | |
2406 | ||
adcec288 TSD |
2407 | static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, |
2408 | size_t size, loff_t *pos) | |
2409 | { | |
2410 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2411 | ssize_t result = 0; | |
2412 | int r; | |
2413 | ||
2414 | if (size & 0x3 || *pos & 0x3) | |
2415 | return -EINVAL; | |
2416 | ||
2417 | while (size) { | |
2418 | uint32_t value; | |
2419 | ||
2420 | value = RREG32_PCIE(*pos >> 2); | |
2421 | r = put_user(value, (uint32_t *)buf); | |
2422 | if (r) | |
2423 | return r; | |
2424 | ||
2425 | result += 4; | |
2426 | buf += 4; | |
2427 | *pos += 4; | |
2428 | size -= 4; | |
2429 | } | |
2430 | ||
2431 | return result; | |
2432 | } | |
2433 | ||
2434 | static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf, | |
2435 | size_t size, loff_t *pos) | |
2436 | { | |
2437 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2438 | ssize_t result = 0; | |
2439 | int r; | |
2440 | ||
2441 | if (size & 0x3 || *pos & 0x3) | |
2442 | return -EINVAL; | |
2443 | ||
2444 | while (size) { | |
2445 | uint32_t value; | |
2446 | ||
2447 | r = get_user(value, (uint32_t *)buf); | |
2448 | if (r) | |
2449 | return r; | |
2450 | ||
2451 | WREG32_PCIE(*pos >> 2, value); | |
2452 | ||
2453 | result += 4; | |
2454 | buf += 4; | |
2455 | *pos += 4; | |
2456 | size -= 4; | |
2457 | } | |
2458 | ||
2459 | return result; | |
2460 | } | |
2461 | ||
2462 | static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, | |
2463 | size_t size, loff_t *pos) | |
2464 | { | |
2465 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2466 | ssize_t result = 0; | |
2467 | int r; | |
2468 | ||
2469 | if (size & 0x3 || *pos & 0x3) | |
2470 | return -EINVAL; | |
2471 | ||
2472 | while (size) { | |
2473 | uint32_t value; | |
2474 | ||
2475 | value = RREG32_DIDT(*pos >> 2); | |
2476 | r = put_user(value, (uint32_t *)buf); | |
2477 | if (r) | |
2478 | return r; | |
2479 | ||
2480 | result += 4; | |
2481 | buf += 4; | |
2482 | *pos += 4; | |
2483 | size -= 4; | |
2484 | } | |
2485 | ||
2486 | return result; | |
2487 | } | |
2488 | ||
2489 | static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf, | |
2490 | size_t size, loff_t *pos) | |
2491 | { | |
2492 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2493 | ssize_t result = 0; | |
2494 | int r; | |
2495 | ||
2496 | if (size & 0x3 || *pos & 0x3) | |
2497 | return -EINVAL; | |
2498 | ||
2499 | while (size) { | |
2500 | uint32_t value; | |
2501 | ||
2502 | r = get_user(value, (uint32_t *)buf); | |
2503 | if (r) | |
2504 | return r; | |
2505 | ||
2506 | WREG32_DIDT(*pos >> 2, value); | |
2507 | ||
2508 | result += 4; | |
2509 | buf += 4; | |
2510 | *pos += 4; | |
2511 | size -= 4; | |
2512 | } | |
2513 | ||
2514 | return result; | |
2515 | } | |
2516 | ||
2517 | static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, | |
2518 | size_t size, loff_t *pos) | |
2519 | { | |
2520 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2521 | ssize_t result = 0; | |
2522 | int r; | |
2523 | ||
2524 | if (size & 0x3 || *pos & 0x3) | |
2525 | return -EINVAL; | |
2526 | ||
2527 | while (size) { | |
2528 | uint32_t value; | |
2529 | ||
2530 | value = RREG32_SMC(*pos >> 2); | |
2531 | r = put_user(value, (uint32_t *)buf); | |
2532 | if (r) | |
2533 | return r; | |
2534 | ||
2535 | result += 4; | |
2536 | buf += 4; | |
2537 | *pos += 4; | |
2538 | size -= 4; | |
2539 | } | |
2540 | ||
2541 | return result; | |
2542 | } | |
2543 | ||
2544 | static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf, | |
2545 | size_t size, loff_t *pos) | |
2546 | { | |
2547 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2548 | ssize_t result = 0; | |
2549 | int r; | |
2550 | ||
2551 | if (size & 0x3 || *pos & 0x3) | |
2552 | return -EINVAL; | |
2553 | ||
2554 | while (size) { | |
2555 | uint32_t value; | |
2556 | ||
2557 | r = get_user(value, (uint32_t *)buf); | |
2558 | if (r) | |
2559 | return r; | |
2560 | ||
2561 | WREG32_SMC(*pos >> 2, value); | |
2562 | ||
2563 | result += 4; | |
2564 | buf += 4; | |
2565 | *pos += 4; | |
2566 | size -= 4; | |
2567 | } | |
2568 | ||
2569 | return result; | |
2570 | } | |
2571 | ||
1e051413 TSD |
2572 | static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, |
2573 | size_t size, loff_t *pos) | |
2574 | { | |
2575 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2576 | ssize_t result = 0; | |
2577 | int r; | |
2578 | uint32_t *config, no_regs = 0; | |
2579 | ||
2580 | if (size & 0x3 || *pos & 0x3) | |
2581 | return -EINVAL; | |
2582 | ||
2583 | config = kmalloc(256 * sizeof(*config), GFP_KERNEL); | |
2584 | if (!config) | |
2585 | return -ENOMEM; | |
2586 | ||
2587 | /* version, increment each time something is added */ | |
2588 | config[no_regs++] = 0; | |
2589 | config[no_regs++] = adev->gfx.config.max_shader_engines; | |
2590 | config[no_regs++] = adev->gfx.config.max_tile_pipes; | |
2591 | config[no_regs++] = adev->gfx.config.max_cu_per_sh; | |
2592 | config[no_regs++] = adev->gfx.config.max_sh_per_se; | |
2593 | config[no_regs++] = adev->gfx.config.max_backends_per_se; | |
2594 | config[no_regs++] = adev->gfx.config.max_texture_channel_caches; | |
2595 | config[no_regs++] = adev->gfx.config.max_gprs; | |
2596 | config[no_regs++] = adev->gfx.config.max_gs_threads; | |
2597 | config[no_regs++] = adev->gfx.config.max_hw_contexts; | |
2598 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend; | |
2599 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend; | |
2600 | config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size; | |
2601 | config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size; | |
2602 | config[no_regs++] = adev->gfx.config.num_tile_pipes; | |
2603 | config[no_regs++] = adev->gfx.config.backend_enable_mask; | |
2604 | config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes; | |
2605 | config[no_regs++] = adev->gfx.config.mem_row_size_in_kb; | |
2606 | config[no_regs++] = adev->gfx.config.shader_engine_tile_size; | |
2607 | config[no_regs++] = adev->gfx.config.num_gpus; | |
2608 | config[no_regs++] = adev->gfx.config.multi_gpu_tile_size; | |
2609 | config[no_regs++] = adev->gfx.config.mc_arb_ramcfg; | |
2610 | config[no_regs++] = adev->gfx.config.gb_addr_config; | |
2611 | config[no_regs++] = adev->gfx.config.num_rbs; | |
2612 | ||
2613 | while (size && (*pos < no_regs * 4)) { | |
2614 | uint32_t value; | |
2615 | ||
2616 | value = config[*pos >> 2]; | |
2617 | r = put_user(value, (uint32_t *)buf); | |
2618 | if (r) { | |
2619 | kfree(config); | |
2620 | return r; | |
2621 | } | |
2622 | ||
2623 | result += 4; | |
2624 | buf += 4; | |
2625 | *pos += 4; | |
2626 | size -= 4; | |
2627 | } | |
2628 | ||
2629 | kfree(config); | |
2630 | return result; | |
2631 | } | |
2632 | ||
2633 | ||
d38ceaf9 AD |
2634 | static const struct file_operations amdgpu_debugfs_regs_fops = { |
2635 | .owner = THIS_MODULE, | |
2636 | .read = amdgpu_debugfs_regs_read, | |
2637 | .write = amdgpu_debugfs_regs_write, | |
2638 | .llseek = default_llseek | |
2639 | }; | |
adcec288 TSD |
2640 | static const struct file_operations amdgpu_debugfs_regs_didt_fops = { |
2641 | .owner = THIS_MODULE, | |
2642 | .read = amdgpu_debugfs_regs_didt_read, | |
2643 | .write = amdgpu_debugfs_regs_didt_write, | |
2644 | .llseek = default_llseek | |
2645 | }; | |
2646 | static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { | |
2647 | .owner = THIS_MODULE, | |
2648 | .read = amdgpu_debugfs_regs_pcie_read, | |
2649 | .write = amdgpu_debugfs_regs_pcie_write, | |
2650 | .llseek = default_llseek | |
2651 | }; | |
2652 | static const struct file_operations amdgpu_debugfs_regs_smc_fops = { | |
2653 | .owner = THIS_MODULE, | |
2654 | .read = amdgpu_debugfs_regs_smc_read, | |
2655 | .write = amdgpu_debugfs_regs_smc_write, | |
2656 | .llseek = default_llseek | |
2657 | }; | |
2658 | ||
1e051413 TSD |
2659 | static const struct file_operations amdgpu_debugfs_gca_config_fops = { |
2660 | .owner = THIS_MODULE, | |
2661 | .read = amdgpu_debugfs_gca_config_read, | |
2662 | .llseek = default_llseek | |
2663 | }; | |
2664 | ||
adcec288 TSD |
2665 | static const struct file_operations *debugfs_regs[] = { |
2666 | &amdgpu_debugfs_regs_fops, | |
2667 | &amdgpu_debugfs_regs_didt_fops, | |
2668 | &amdgpu_debugfs_regs_pcie_fops, | |
2669 | &amdgpu_debugfs_regs_smc_fops, | |
1e051413 | 2670 | &amdgpu_debugfs_gca_config_fops, |
adcec288 TSD |
2671 | }; |
2672 | ||
2673 | static const char *debugfs_regs_names[] = { | |
2674 | "amdgpu_regs", | |
2675 | "amdgpu_regs_didt", | |
2676 | "amdgpu_regs_pcie", | |
2677 | "amdgpu_regs_smc", | |
1e051413 | 2678 | "amdgpu_gca_config", |
adcec288 | 2679 | }; |
d38ceaf9 AD |
2680 | |
2681 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) | |
2682 | { | |
2683 | struct drm_minor *minor = adev->ddev->primary; | |
2684 | struct dentry *ent, *root = minor->debugfs_root; | |
adcec288 TSD |
2685 | unsigned i, j; |
2686 | ||
2687 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
2688 | ent = debugfs_create_file(debugfs_regs_names[i], | |
2689 | S_IFREG | S_IRUGO, root, | |
2690 | adev, debugfs_regs[i]); | |
2691 | if (IS_ERR(ent)) { | |
2692 | for (j = 0; j < i; j++) { | |
2693 | debugfs_remove(adev->debugfs_regs[i]); | |
2694 | adev->debugfs_regs[i] = NULL; | |
2695 | } | |
2696 | return PTR_ERR(ent); | |
2697 | } | |
d38ceaf9 | 2698 | |
adcec288 TSD |
2699 | if (!i) |
2700 | i_size_write(ent->d_inode, adev->rmmio_size); | |
2701 | adev->debugfs_regs[i] = ent; | |
2702 | } | |
d38ceaf9 AD |
2703 | |
2704 | return 0; | |
2705 | } | |
2706 | ||
2707 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) | |
2708 | { | |
adcec288 TSD |
2709 | unsigned i; |
2710 | ||
2711 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
2712 | if (adev->debugfs_regs[i]) { | |
2713 | debugfs_remove(adev->debugfs_regs[i]); | |
2714 | adev->debugfs_regs[i] = NULL; | |
2715 | } | |
2716 | } | |
d38ceaf9 AD |
2717 | } |
2718 | ||
2719 | int amdgpu_debugfs_init(struct drm_minor *minor) | |
2720 | { | |
2721 | return 0; | |
2722 | } | |
2723 | ||
2724 | void amdgpu_debugfs_cleanup(struct drm_minor *minor) | |
2725 | { | |
2726 | } | |
7cebc728 AK |
2727 | #else |
2728 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) | |
2729 | { | |
2730 | return 0; | |
2731 | } | |
2732 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } | |
d38ceaf9 | 2733 | #endif |