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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" |
33f34802 KW |
44 | #ifdef CONFIG_DRM_AMDGPU_SI |
45 | #include "si.h" | |
46 | #endif | |
a2e73f56 AD |
47 | #ifdef CONFIG_DRM_AMDGPU_CIK |
48 | #include "cik.h" | |
49 | #endif | |
aaa36a97 | 50 | #include "vi.h" |
d38ceaf9 | 51 | #include "bif/bif_4_1_d.h" |
9accf2fd | 52 | #include <linux/pci.h> |
bec86378 | 53 | #include <linux/firmware.h> |
d38ceaf9 AD |
54 | |
55 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); | |
56 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); | |
57 | ||
58 | static const char *amdgpu_asic_name[] = { | |
da69c161 KW |
59 | "TAHITI", |
60 | "PITCAIRN", | |
61 | "VERDE", | |
62 | "OLAND", | |
63 | "HAINAN", | |
d38ceaf9 AD |
64 | "BONAIRE", |
65 | "KAVERI", | |
66 | "KABINI", | |
67 | "HAWAII", | |
68 | "MULLINS", | |
69 | "TOPAZ", | |
70 | "TONGA", | |
48299f95 | 71 | "FIJI", |
d38ceaf9 | 72 | "CARRIZO", |
139f4917 | 73 | "STONEY", |
2cc0c0b5 FC |
74 | "POLARIS10", |
75 | "POLARIS11", | |
c4642a47 | 76 | "POLARIS12", |
d38ceaf9 AD |
77 | "LAST", |
78 | }; | |
79 | ||
80 | bool amdgpu_device_is_px(struct drm_device *dev) | |
81 | { | |
82 | struct amdgpu_device *adev = dev->dev_private; | |
83 | ||
2f7d10b3 | 84 | if (adev->flags & AMD_IS_PX) |
d38ceaf9 AD |
85 | return true; |
86 | return false; | |
87 | } | |
88 | ||
89 | /* | |
90 | * MMIO register access helper functions. | |
91 | */ | |
92 | uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, | |
93 | bool always_indirect) | |
94 | { | |
f4b373f4 TSD |
95 | uint32_t ret; |
96 | ||
bc992ba5 XY |
97 | if (amdgpu_sriov_runtime(adev)) { |
98 | BUG_ON(in_interrupt()); | |
99 | return amdgpu_virt_kiq_rreg(adev, reg); | |
100 | } | |
101 | ||
d38ceaf9 | 102 | if ((reg * 4) < adev->rmmio_size && !always_indirect) |
f4b373f4 | 103 | ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); |
d38ceaf9 AD |
104 | else { |
105 | unsigned long flags; | |
d38ceaf9 AD |
106 | |
107 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
108 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
109 | ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
110 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
d38ceaf9 | 111 | } |
f4b373f4 TSD |
112 | trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret); |
113 | return ret; | |
d38ceaf9 AD |
114 | } |
115 | ||
116 | void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, | |
117 | bool always_indirect) | |
118 | { | |
f4b373f4 | 119 | trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); |
4e99a44e | 120 | |
bc992ba5 XY |
121 | if (amdgpu_sriov_runtime(adev)) { |
122 | BUG_ON(in_interrupt()); | |
123 | return amdgpu_virt_kiq_wreg(adev, reg, v); | |
124 | } | |
125 | ||
d38ceaf9 AD |
126 | if ((reg * 4) < adev->rmmio_size && !always_indirect) |
127 | writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); | |
128 | else { | |
129 | unsigned long flags; | |
130 | ||
131 | spin_lock_irqsave(&adev->mmio_idx_lock, flags); | |
132 | writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); | |
133 | writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); | |
134 | spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); | |
135 | } | |
136 | } | |
137 | ||
138 | u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) | |
139 | { | |
140 | if ((reg * 4) < adev->rio_mem_size) | |
141 | return ioread32(adev->rio_mem + (reg * 4)); | |
142 | else { | |
143 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
144 | return ioread32(adev->rio_mem + (mmMM_DATA * 4)); | |
145 | } | |
146 | } | |
147 | ||
148 | void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) | |
149 | { | |
150 | ||
151 | if ((reg * 4) < adev->rio_mem_size) | |
152 | iowrite32(v, adev->rio_mem + (reg * 4)); | |
153 | else { | |
154 | iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); | |
155 | iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); | |
156 | } | |
157 | } | |
158 | ||
159 | /** | |
160 | * amdgpu_mm_rdoorbell - read a doorbell dword | |
161 | * | |
162 | * @adev: amdgpu_device pointer | |
163 | * @index: doorbell index | |
164 | * | |
165 | * Returns the value in the doorbell aperture at the | |
166 | * requested doorbell index (CIK). | |
167 | */ | |
168 | u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) | |
169 | { | |
170 | if (index < adev->doorbell.num_doorbells) { | |
171 | return readl(adev->doorbell.ptr + index); | |
172 | } else { | |
173 | DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index); | |
174 | return 0; | |
175 | } | |
176 | } | |
177 | ||
178 | /** | |
179 | * amdgpu_mm_wdoorbell - write a doorbell dword | |
180 | * | |
181 | * @adev: amdgpu_device pointer | |
182 | * @index: doorbell index | |
183 | * @v: value to write | |
184 | * | |
185 | * Writes @v to the doorbell aperture at the | |
186 | * requested doorbell index (CIK). | |
187 | */ | |
188 | void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) | |
189 | { | |
190 | if (index < adev->doorbell.num_doorbells) { | |
191 | writel(v, adev->doorbell.ptr + index); | |
192 | } else { | |
193 | DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index); | |
194 | } | |
195 | } | |
196 | ||
197 | /** | |
198 | * amdgpu_invalid_rreg - dummy reg read function | |
199 | * | |
200 | * @adev: amdgpu device pointer | |
201 | * @reg: offset of register | |
202 | * | |
203 | * Dummy register read function. Used for register blocks | |
204 | * that certain asics don't have (all asics). | |
205 | * Returns the value in the register. | |
206 | */ | |
207 | static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) | |
208 | { | |
209 | DRM_ERROR("Invalid callback to read register 0x%04X\n", reg); | |
210 | BUG(); | |
211 | return 0; | |
212 | } | |
213 | ||
214 | /** | |
215 | * amdgpu_invalid_wreg - dummy reg write function | |
216 | * | |
217 | * @adev: amdgpu device pointer | |
218 | * @reg: offset of register | |
219 | * @v: value to write to the register | |
220 | * | |
221 | * Dummy register read function. Used for register blocks | |
222 | * that certain asics don't have (all asics). | |
223 | */ | |
224 | static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) | |
225 | { | |
226 | DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n", | |
227 | reg, v); | |
228 | BUG(); | |
229 | } | |
230 | ||
231 | /** | |
232 | * amdgpu_block_invalid_rreg - dummy reg read function | |
233 | * | |
234 | * @adev: amdgpu device pointer | |
235 | * @block: offset of instance | |
236 | * @reg: offset of register | |
237 | * | |
238 | * Dummy register read function. Used for register blocks | |
239 | * that certain asics don't have (all asics). | |
240 | * Returns the value in the register. | |
241 | */ | |
242 | static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, | |
243 | uint32_t block, uint32_t reg) | |
244 | { | |
245 | DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n", | |
246 | reg, block); | |
247 | BUG(); | |
248 | return 0; | |
249 | } | |
250 | ||
251 | /** | |
252 | * amdgpu_block_invalid_wreg - dummy reg write function | |
253 | * | |
254 | * @adev: amdgpu device pointer | |
255 | * @block: offset of instance | |
256 | * @reg: offset of register | |
257 | * @v: value to write to the register | |
258 | * | |
259 | * Dummy register read function. Used for register blocks | |
260 | * that certain asics don't have (all asics). | |
261 | */ | |
262 | static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, | |
263 | uint32_t block, | |
264 | uint32_t reg, uint32_t v) | |
265 | { | |
266 | DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n", | |
267 | reg, block, v); | |
268 | BUG(); | |
269 | } | |
270 | ||
271 | static int amdgpu_vram_scratch_init(struct amdgpu_device *adev) | |
272 | { | |
273 | int r; | |
274 | ||
275 | if (adev->vram_scratch.robj == NULL) { | |
276 | r = amdgpu_bo_create(adev, AMDGPU_GPU_PAGE_SIZE, | |
857d913d | 277 | PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, |
03f48dd5 CK |
278 | AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | |
279 | AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, | |
72d7668b | 280 | NULL, NULL, &adev->vram_scratch.robj); |
d38ceaf9 AD |
281 | if (r) { |
282 | return r; | |
283 | } | |
284 | } | |
285 | ||
286 | r = amdgpu_bo_reserve(adev->vram_scratch.robj, false); | |
287 | if (unlikely(r != 0)) | |
288 | return r; | |
289 | r = amdgpu_bo_pin(adev->vram_scratch.robj, | |
290 | AMDGPU_GEM_DOMAIN_VRAM, &adev->vram_scratch.gpu_addr); | |
291 | if (r) { | |
292 | amdgpu_bo_unreserve(adev->vram_scratch.robj); | |
293 | return r; | |
294 | } | |
295 | r = amdgpu_bo_kmap(adev->vram_scratch.robj, | |
296 | (void **)&adev->vram_scratch.ptr); | |
297 | if (r) | |
298 | amdgpu_bo_unpin(adev->vram_scratch.robj); | |
299 | amdgpu_bo_unreserve(adev->vram_scratch.robj); | |
300 | ||
301 | return r; | |
302 | } | |
303 | ||
304 | static void amdgpu_vram_scratch_fini(struct amdgpu_device *adev) | |
305 | { | |
306 | int r; | |
307 | ||
308 | if (adev->vram_scratch.robj == NULL) { | |
309 | return; | |
310 | } | |
311 | r = amdgpu_bo_reserve(adev->vram_scratch.robj, false); | |
312 | if (likely(r == 0)) { | |
313 | amdgpu_bo_kunmap(adev->vram_scratch.robj); | |
314 | amdgpu_bo_unpin(adev->vram_scratch.robj); | |
315 | amdgpu_bo_unreserve(adev->vram_scratch.robj); | |
316 | } | |
317 | amdgpu_bo_unref(&adev->vram_scratch.robj); | |
318 | } | |
319 | ||
320 | /** | |
321 | * amdgpu_program_register_sequence - program an array of registers. | |
322 | * | |
323 | * @adev: amdgpu_device pointer | |
324 | * @registers: pointer to the register array | |
325 | * @array_size: size of the register array | |
326 | * | |
327 | * Programs an array or registers with and and or masks. | |
328 | * This is a helper for setting golden registers. | |
329 | */ | |
330 | void amdgpu_program_register_sequence(struct amdgpu_device *adev, | |
331 | const u32 *registers, | |
332 | const u32 array_size) | |
333 | { | |
334 | u32 tmp, reg, and_mask, or_mask; | |
335 | int i; | |
336 | ||
337 | if (array_size % 3) | |
338 | return; | |
339 | ||
340 | for (i = 0; i < array_size; i +=3) { | |
341 | reg = registers[i + 0]; | |
342 | and_mask = registers[i + 1]; | |
343 | or_mask = registers[i + 2]; | |
344 | ||
345 | if (and_mask == 0xffffffff) { | |
346 | tmp = or_mask; | |
347 | } else { | |
348 | tmp = RREG32(reg); | |
349 | tmp &= ~and_mask; | |
350 | tmp |= or_mask; | |
351 | } | |
352 | WREG32(reg, tmp); | |
353 | } | |
354 | } | |
355 | ||
356 | void amdgpu_pci_config_reset(struct amdgpu_device *adev) | |
357 | { | |
358 | pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); | |
359 | } | |
360 | ||
361 | /* | |
362 | * GPU doorbell aperture helpers function. | |
363 | */ | |
364 | /** | |
365 | * amdgpu_doorbell_init - Init doorbell driver information. | |
366 | * | |
367 | * @adev: amdgpu_device pointer | |
368 | * | |
369 | * Init doorbell driver information (CIK) | |
370 | * Returns 0 on success, error on failure. | |
371 | */ | |
372 | static int amdgpu_doorbell_init(struct amdgpu_device *adev) | |
373 | { | |
374 | /* doorbell bar mapping */ | |
375 | adev->doorbell.base = pci_resource_start(adev->pdev, 2); | |
376 | adev->doorbell.size = pci_resource_len(adev->pdev, 2); | |
377 | ||
edf600da | 378 | adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), |
d38ceaf9 AD |
379 | AMDGPU_DOORBELL_MAX_ASSIGNMENT+1); |
380 | if (adev->doorbell.num_doorbells == 0) | |
381 | return -EINVAL; | |
382 | ||
383 | adev->doorbell.ptr = ioremap(adev->doorbell.base, adev->doorbell.num_doorbells * sizeof(u32)); | |
384 | if (adev->doorbell.ptr == NULL) { | |
385 | return -ENOMEM; | |
386 | } | |
387 | DRM_INFO("doorbell mmio base: 0x%08X\n", (uint32_t)adev->doorbell.base); | |
388 | DRM_INFO("doorbell mmio size: %u\n", (unsigned)adev->doorbell.size); | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | /** | |
394 | * amdgpu_doorbell_fini - Tear down doorbell driver information. | |
395 | * | |
396 | * @adev: amdgpu_device pointer | |
397 | * | |
398 | * Tear down doorbell driver information (CIK) | |
399 | */ | |
400 | static void amdgpu_doorbell_fini(struct amdgpu_device *adev) | |
401 | { | |
402 | iounmap(adev->doorbell.ptr); | |
403 | adev->doorbell.ptr = NULL; | |
404 | } | |
405 | ||
406 | /** | |
407 | * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to | |
408 | * setup amdkfd | |
409 | * | |
410 | * @adev: amdgpu_device pointer | |
411 | * @aperture_base: output returning doorbell aperture base physical address | |
412 | * @aperture_size: output returning doorbell aperture size in bytes | |
413 | * @start_offset: output returning # of doorbell bytes reserved for amdgpu. | |
414 | * | |
415 | * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up, | |
416 | * takes doorbells required for its own rings and reports the setup to amdkfd. | |
417 | * amdgpu reserved doorbells are at the start of the doorbell aperture. | |
418 | */ | |
419 | void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, | |
420 | phys_addr_t *aperture_base, | |
421 | size_t *aperture_size, | |
422 | size_t *start_offset) | |
423 | { | |
424 | /* | |
425 | * The first num_doorbells are used by amdgpu. | |
426 | * amdkfd takes whatever's left in the aperture. | |
427 | */ | |
428 | if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) { | |
429 | *aperture_base = adev->doorbell.base; | |
430 | *aperture_size = adev->doorbell.size; | |
431 | *start_offset = adev->doorbell.num_doorbells * sizeof(u32); | |
432 | } else { | |
433 | *aperture_base = 0; | |
434 | *aperture_size = 0; | |
435 | *start_offset = 0; | |
436 | } | |
437 | } | |
438 | ||
439 | /* | |
440 | * amdgpu_wb_*() | |
441 | * Writeback is the the method by which the the GPU updates special pages | |
442 | * in memory with the status of certain GPU events (fences, ring pointers, | |
443 | * etc.). | |
444 | */ | |
445 | ||
446 | /** | |
447 | * amdgpu_wb_fini - Disable Writeback and free memory | |
448 | * | |
449 | * @adev: amdgpu_device pointer | |
450 | * | |
451 | * Disables Writeback and frees the Writeback memory (all asics). | |
452 | * Used at driver shutdown. | |
453 | */ | |
454 | static void amdgpu_wb_fini(struct amdgpu_device *adev) | |
455 | { | |
456 | if (adev->wb.wb_obj) { | |
a76ed485 AD |
457 | amdgpu_bo_free_kernel(&adev->wb.wb_obj, |
458 | &adev->wb.gpu_addr, | |
459 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
460 | adev->wb.wb_obj = NULL; |
461 | } | |
462 | } | |
463 | ||
464 | /** | |
465 | * amdgpu_wb_init- Init Writeback driver info and allocate memory | |
466 | * | |
467 | * @adev: amdgpu_device pointer | |
468 | * | |
469 | * Disables Writeback and frees the Writeback memory (all asics). | |
470 | * Used at driver startup. | |
471 | * Returns 0 on success or an -error on failure. | |
472 | */ | |
473 | static int amdgpu_wb_init(struct amdgpu_device *adev) | |
474 | { | |
475 | int r; | |
476 | ||
477 | if (adev->wb.wb_obj == NULL) { | |
60a970a6 | 478 | r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t), |
a76ed485 AD |
479 | PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, |
480 | &adev->wb.wb_obj, &adev->wb.gpu_addr, | |
481 | (void **)&adev->wb.wb); | |
d38ceaf9 AD |
482 | if (r) { |
483 | dev_warn(adev->dev, "(%d) create WB bo failed\n", r); | |
484 | return r; | |
485 | } | |
d38ceaf9 AD |
486 | |
487 | adev->wb.num_wb = AMDGPU_MAX_WB; | |
488 | memset(&adev->wb.used, 0, sizeof(adev->wb.used)); | |
489 | ||
490 | /* clear wb memory */ | |
60a970a6 | 491 | memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t)); |
d38ceaf9 AD |
492 | } |
493 | ||
494 | return 0; | |
495 | } | |
496 | ||
497 | /** | |
498 | * amdgpu_wb_get - Allocate a wb entry | |
499 | * | |
500 | * @adev: amdgpu_device pointer | |
501 | * @wb: wb index | |
502 | * | |
503 | * Allocate a wb slot for use by the driver (all asics). | |
504 | * Returns 0 on success or -EINVAL on failure. | |
505 | */ | |
506 | int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb) | |
507 | { | |
508 | unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb); | |
509 | if (offset < adev->wb.num_wb) { | |
510 | __set_bit(offset, adev->wb.used); | |
511 | *wb = offset; | |
512 | return 0; | |
513 | } else { | |
514 | return -EINVAL; | |
515 | } | |
516 | } | |
517 | ||
518 | /** | |
519 | * amdgpu_wb_free - Free a wb entry | |
520 | * | |
521 | * @adev: amdgpu_device pointer | |
522 | * @wb: wb index | |
523 | * | |
524 | * Free a wb slot allocated for use by the driver (all asics) | |
525 | */ | |
526 | void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb) | |
527 | { | |
528 | if (wb < adev->wb.num_wb) | |
529 | __clear_bit(wb, adev->wb.used); | |
530 | } | |
531 | ||
532 | /** | |
533 | * amdgpu_vram_location - try to find VRAM location | |
534 | * @adev: amdgpu device structure holding all necessary informations | |
535 | * @mc: memory controller structure holding memory informations | |
536 | * @base: base address at which to put VRAM | |
537 | * | |
538 | * Function will place try to place VRAM at base address provided | |
539 | * as parameter (which is so far either PCI aperture address or | |
540 | * for IGP TOM base address). | |
541 | * | |
542 | * If there is not enough space to fit the unvisible VRAM in the 32bits | |
543 | * address space then we limit the VRAM size to the aperture. | |
544 | * | |
545 | * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size, | |
546 | * this shouldn't be a problem as we are using the PCI aperture as a reference. | |
547 | * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but | |
548 | * not IGP. | |
549 | * | |
550 | * Note: we use mc_vram_size as on some board we need to program the mc to | |
551 | * cover the whole aperture even if VRAM size is inferior to aperture size | |
552 | * Novell bug 204882 + along with lots of ubuntu ones | |
553 | * | |
554 | * Note: when limiting vram it's safe to overwritte real_vram_size because | |
555 | * we are not in case where real_vram_size is inferior to mc_vram_size (ie | |
556 | * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu | |
557 | * ones) | |
558 | * | |
559 | * Note: IGP TOM addr should be the same as the aperture addr, we don't | |
560 | * explicitly check for that thought. | |
561 | * | |
562 | * FIXME: when reducing VRAM size align new size on power of 2. | |
563 | */ | |
564 | void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base) | |
565 | { | |
566 | uint64_t limit = (uint64_t)amdgpu_vram_limit << 20; | |
567 | ||
568 | mc->vram_start = base; | |
569 | if (mc->mc_vram_size > (adev->mc.mc_mask - base + 1)) { | |
570 | dev_warn(adev->dev, "limiting VRAM to PCI aperture size\n"); | |
571 | mc->real_vram_size = mc->aper_size; | |
572 | mc->mc_vram_size = mc->aper_size; | |
573 | } | |
574 | mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; | |
575 | if (limit && limit < mc->real_vram_size) | |
576 | mc->real_vram_size = limit; | |
577 | dev_info(adev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n", | |
578 | mc->mc_vram_size >> 20, mc->vram_start, | |
579 | mc->vram_end, mc->real_vram_size >> 20); | |
580 | } | |
581 | ||
582 | /** | |
583 | * amdgpu_gtt_location - try to find GTT location | |
584 | * @adev: amdgpu device structure holding all necessary informations | |
585 | * @mc: memory controller structure holding memory informations | |
586 | * | |
587 | * Function will place try to place GTT before or after VRAM. | |
588 | * | |
589 | * If GTT size is bigger than space left then we ajust GTT size. | |
590 | * Thus function will never fails. | |
591 | * | |
592 | * FIXME: when reducing GTT size align new size on power of 2. | |
593 | */ | |
594 | void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) | |
595 | { | |
596 | u64 size_af, size_bf; | |
597 | ||
598 | size_af = ((adev->mc.mc_mask - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align; | |
599 | size_bf = mc->vram_start & ~mc->gtt_base_align; | |
600 | if (size_bf > size_af) { | |
601 | if (mc->gtt_size > size_bf) { | |
602 | dev_warn(adev->dev, "limiting GTT\n"); | |
603 | mc->gtt_size = size_bf; | |
604 | } | |
605 | mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size; | |
606 | } else { | |
607 | if (mc->gtt_size > size_af) { | |
608 | dev_warn(adev->dev, "limiting GTT\n"); | |
609 | mc->gtt_size = size_af; | |
610 | } | |
611 | mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align; | |
612 | } | |
613 | mc->gtt_end = mc->gtt_start + mc->gtt_size - 1; | |
614 | dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", | |
615 | mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end); | |
616 | } | |
617 | ||
618 | /* | |
619 | * GPU helpers function. | |
620 | */ | |
621 | /** | |
c836fec5 | 622 | * amdgpu_need_post - check if the hw need post or not |
d38ceaf9 AD |
623 | * |
624 | * @adev: amdgpu_device pointer | |
625 | * | |
c836fec5 JQ |
626 | * Check if the asic has been initialized (all asics) at driver startup |
627 | * or post is needed if hw reset is performed. | |
628 | * Returns true if need or false if not. | |
d38ceaf9 | 629 | */ |
c836fec5 | 630 | bool amdgpu_need_post(struct amdgpu_device *adev) |
d38ceaf9 AD |
631 | { |
632 | uint32_t reg; | |
633 | ||
c836fec5 JQ |
634 | if (adev->has_hw_reset) { |
635 | adev->has_hw_reset = false; | |
636 | return true; | |
637 | } | |
d38ceaf9 AD |
638 | /* then check MEM_SIZE, in case the crtcs are off */ |
639 | reg = RREG32(mmCONFIG_MEMSIZE); | |
640 | ||
641 | if (reg) | |
c836fec5 | 642 | return false; |
d38ceaf9 | 643 | |
c836fec5 | 644 | return true; |
d38ceaf9 AD |
645 | |
646 | } | |
647 | ||
bec86378 ML |
648 | static bool amdgpu_vpost_needed(struct amdgpu_device *adev) |
649 | { | |
650 | if (amdgpu_sriov_vf(adev)) | |
651 | return false; | |
652 | ||
653 | if (amdgpu_passthrough(adev)) { | |
1da2c326 ML |
654 | /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot |
655 | * some old smc fw still need driver do vPost otherwise gpu hang, while | |
656 | * those smc fw version above 22.15 doesn't have this flaw, so we force | |
657 | * vpost executed for smc version below 22.15 | |
bec86378 ML |
658 | */ |
659 | if (adev->asic_type == CHIP_FIJI) { | |
660 | int err; | |
661 | uint32_t fw_ver; | |
662 | err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev); | |
663 | /* force vPost if error occured */ | |
664 | if (err) | |
665 | return true; | |
666 | ||
667 | fw_ver = *((uint32_t *)adev->pm.fw->data + 69); | |
1da2c326 ML |
668 | if (fw_ver < 0x00160e00) |
669 | return true; | |
bec86378 | 670 | } |
bec86378 | 671 | } |
c836fec5 | 672 | return amdgpu_need_post(adev); |
bec86378 ML |
673 | } |
674 | ||
d38ceaf9 AD |
675 | /** |
676 | * amdgpu_dummy_page_init - init dummy page used by the driver | |
677 | * | |
678 | * @adev: amdgpu_device pointer | |
679 | * | |
680 | * Allocate the dummy page used by the driver (all asics). | |
681 | * This dummy page is used by the driver as a filler for gart entries | |
682 | * when pages are taken out of the GART | |
683 | * Returns 0 on sucess, -ENOMEM on failure. | |
684 | */ | |
685 | int amdgpu_dummy_page_init(struct amdgpu_device *adev) | |
686 | { | |
687 | if (adev->dummy_page.page) | |
688 | return 0; | |
689 | adev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); | |
690 | if (adev->dummy_page.page == NULL) | |
691 | return -ENOMEM; | |
692 | adev->dummy_page.addr = pci_map_page(adev->pdev, adev->dummy_page.page, | |
693 | 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
694 | if (pci_dma_mapping_error(adev->pdev, adev->dummy_page.addr)) { | |
695 | dev_err(&adev->pdev->dev, "Failed to DMA MAP the dummy page\n"); | |
696 | __free_page(adev->dummy_page.page); | |
697 | adev->dummy_page.page = NULL; | |
698 | return -ENOMEM; | |
699 | } | |
700 | return 0; | |
701 | } | |
702 | ||
703 | /** | |
704 | * amdgpu_dummy_page_fini - free dummy page used by the driver | |
705 | * | |
706 | * @adev: amdgpu_device pointer | |
707 | * | |
708 | * Frees the dummy page used by the driver (all asics). | |
709 | */ | |
710 | void amdgpu_dummy_page_fini(struct amdgpu_device *adev) | |
711 | { | |
712 | if (adev->dummy_page.page == NULL) | |
713 | return; | |
714 | pci_unmap_page(adev->pdev, adev->dummy_page.addr, | |
715 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
716 | __free_page(adev->dummy_page.page); | |
717 | adev->dummy_page.page = NULL; | |
718 | } | |
719 | ||
720 | ||
721 | /* ATOM accessor methods */ | |
722 | /* | |
723 | * ATOM is an interpreted byte code stored in tables in the vbios. The | |
724 | * driver registers callbacks to access registers and the interpreter | |
725 | * in the driver parses the tables and executes then to program specific | |
726 | * actions (set display modes, asic init, etc.). See amdgpu_atombios.c, | |
727 | * atombios.h, and atom.c | |
728 | */ | |
729 | ||
730 | /** | |
731 | * cail_pll_read - read PLL register | |
732 | * | |
733 | * @info: atom card_info pointer | |
734 | * @reg: PLL register offset | |
735 | * | |
736 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
737 | * Returns the value of the PLL register. | |
738 | */ | |
739 | static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) | |
740 | { | |
741 | return 0; | |
742 | } | |
743 | ||
744 | /** | |
745 | * cail_pll_write - write PLL register | |
746 | * | |
747 | * @info: atom card_info pointer | |
748 | * @reg: PLL register offset | |
749 | * @val: value to write to the pll register | |
750 | * | |
751 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
752 | */ | |
753 | static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) | |
754 | { | |
755 | ||
756 | } | |
757 | ||
758 | /** | |
759 | * cail_mc_read - read MC (Memory Controller) register | |
760 | * | |
761 | * @info: atom card_info pointer | |
762 | * @reg: MC register offset | |
763 | * | |
764 | * Provides an MC register accessor for the atom interpreter (r4xx+). | |
765 | * Returns the value of the MC register. | |
766 | */ | |
767 | static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) | |
768 | { | |
769 | return 0; | |
770 | } | |
771 | ||
772 | /** | |
773 | * cail_mc_write - write MC (Memory Controller) register | |
774 | * | |
775 | * @info: atom card_info pointer | |
776 | * @reg: MC register offset | |
777 | * @val: value to write to the pll register | |
778 | * | |
779 | * Provides a MC register accessor for the atom interpreter (r4xx+). | |
780 | */ | |
781 | static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) | |
782 | { | |
783 | ||
784 | } | |
785 | ||
786 | /** | |
787 | * cail_reg_write - write MMIO register | |
788 | * | |
789 | * @info: atom card_info pointer | |
790 | * @reg: MMIO register offset | |
791 | * @val: value to write to the pll register | |
792 | * | |
793 | * Provides a MMIO register accessor for the atom interpreter (r4xx+). | |
794 | */ | |
795 | static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
796 | { | |
797 | struct amdgpu_device *adev = info->dev->dev_private; | |
798 | ||
799 | WREG32(reg, val); | |
800 | } | |
801 | ||
802 | /** | |
803 | * cail_reg_read - read MMIO register | |
804 | * | |
805 | * @info: atom card_info pointer | |
806 | * @reg: MMIO register offset | |
807 | * | |
808 | * Provides an MMIO register accessor for the atom interpreter (r4xx+). | |
809 | * Returns the value of the MMIO register. | |
810 | */ | |
811 | static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) | |
812 | { | |
813 | struct amdgpu_device *adev = info->dev->dev_private; | |
814 | uint32_t r; | |
815 | ||
816 | r = RREG32(reg); | |
817 | return r; | |
818 | } | |
819 | ||
820 | /** | |
821 | * cail_ioreg_write - write IO register | |
822 | * | |
823 | * @info: atom card_info pointer | |
824 | * @reg: IO register offset | |
825 | * @val: value to write to the pll register | |
826 | * | |
827 | * Provides a IO register accessor for the atom interpreter (r4xx+). | |
828 | */ | |
829 | static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val) | |
830 | { | |
831 | struct amdgpu_device *adev = info->dev->dev_private; | |
832 | ||
833 | WREG32_IO(reg, val); | |
834 | } | |
835 | ||
836 | /** | |
837 | * cail_ioreg_read - read IO register | |
838 | * | |
839 | * @info: atom card_info pointer | |
840 | * @reg: IO register offset | |
841 | * | |
842 | * Provides an IO register accessor for the atom interpreter (r4xx+). | |
843 | * Returns the value of the IO register. | |
844 | */ | |
845 | static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg) | |
846 | { | |
847 | struct amdgpu_device *adev = info->dev->dev_private; | |
848 | uint32_t r; | |
849 | ||
850 | r = RREG32_IO(reg); | |
851 | return r; | |
852 | } | |
853 | ||
854 | /** | |
855 | * amdgpu_atombios_fini - free the driver info and callbacks for atombios | |
856 | * | |
857 | * @adev: amdgpu_device pointer | |
858 | * | |
859 | * Frees the driver info and register access callbacks for the ATOM | |
860 | * interpreter (r4xx+). | |
861 | * Called at driver shutdown. | |
862 | */ | |
863 | static void amdgpu_atombios_fini(struct amdgpu_device *adev) | |
864 | { | |
89e0ec9f | 865 | if (adev->mode_info.atom_context) { |
d38ceaf9 | 866 | kfree(adev->mode_info.atom_context->scratch); |
89e0ec9f ML |
867 | kfree(adev->mode_info.atom_context->iio); |
868 | } | |
d38ceaf9 AD |
869 | kfree(adev->mode_info.atom_context); |
870 | adev->mode_info.atom_context = NULL; | |
871 | kfree(adev->mode_info.atom_card_info); | |
872 | adev->mode_info.atom_card_info = NULL; | |
873 | } | |
874 | ||
875 | /** | |
876 | * amdgpu_atombios_init - init the driver info and callbacks for atombios | |
877 | * | |
878 | * @adev: amdgpu_device pointer | |
879 | * | |
880 | * Initializes the driver info and register access callbacks for the | |
881 | * ATOM interpreter (r4xx+). | |
882 | * Returns 0 on sucess, -ENOMEM on failure. | |
883 | * Called at driver startup. | |
884 | */ | |
885 | static int amdgpu_atombios_init(struct amdgpu_device *adev) | |
886 | { | |
887 | struct card_info *atom_card_info = | |
888 | kzalloc(sizeof(struct card_info), GFP_KERNEL); | |
889 | ||
890 | if (!atom_card_info) | |
891 | return -ENOMEM; | |
892 | ||
893 | adev->mode_info.atom_card_info = atom_card_info; | |
894 | atom_card_info->dev = adev->ddev; | |
895 | atom_card_info->reg_read = cail_reg_read; | |
896 | atom_card_info->reg_write = cail_reg_write; | |
897 | /* needed for iio ops */ | |
898 | if (adev->rio_mem) { | |
899 | atom_card_info->ioreg_read = cail_ioreg_read; | |
900 | atom_card_info->ioreg_write = cail_ioreg_write; | |
901 | } else { | |
b64a18c5 | 902 | DRM_INFO("PCI I/O BAR is not found. Using MMIO to access ATOM BIOS\n"); |
d38ceaf9 AD |
903 | atom_card_info->ioreg_read = cail_reg_read; |
904 | atom_card_info->ioreg_write = cail_reg_write; | |
905 | } | |
906 | atom_card_info->mc_read = cail_mc_read; | |
907 | atom_card_info->mc_write = cail_mc_write; | |
908 | atom_card_info->pll_read = cail_pll_read; | |
909 | atom_card_info->pll_write = cail_pll_write; | |
910 | ||
911 | adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios); | |
912 | if (!adev->mode_info.atom_context) { | |
913 | amdgpu_atombios_fini(adev); | |
914 | return -ENOMEM; | |
915 | } | |
916 | ||
917 | mutex_init(&adev->mode_info.atom_context->mutex); | |
918 | amdgpu_atombios_scratch_regs_init(adev); | |
919 | amdgpu_atom_allocate_fb_scratch(adev->mode_info.atom_context); | |
920 | return 0; | |
921 | } | |
922 | ||
923 | /* if we get transitioned to only one device, take VGA back */ | |
924 | /** | |
925 | * amdgpu_vga_set_decode - enable/disable vga decode | |
926 | * | |
927 | * @cookie: amdgpu_device pointer | |
928 | * @state: enable/disable vga decode | |
929 | * | |
930 | * Enable/disable vga decode (all asics). | |
931 | * Returns VGA resource flags. | |
932 | */ | |
933 | static unsigned int amdgpu_vga_set_decode(void *cookie, bool state) | |
934 | { | |
935 | struct amdgpu_device *adev = cookie; | |
936 | amdgpu_asic_set_vga_state(adev, state); | |
937 | if (state) | |
938 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
939 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
940 | else | |
941 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
942 | } | |
943 | ||
944 | /** | |
945 | * amdgpu_check_pot_argument - check that argument is a power of two | |
946 | * | |
947 | * @arg: value to check | |
948 | * | |
949 | * Validates that a certain argument is a power of two (all asics). | |
950 | * Returns true if argument is valid. | |
951 | */ | |
952 | static bool amdgpu_check_pot_argument(int arg) | |
953 | { | |
954 | return (arg & (arg - 1)) == 0; | |
955 | } | |
956 | ||
957 | /** | |
958 | * amdgpu_check_arguments - validate module params | |
959 | * | |
960 | * @adev: amdgpu_device pointer | |
961 | * | |
962 | * Validates certain module parameters and updates | |
963 | * the associated values used by the driver (all asics). | |
964 | */ | |
965 | static void amdgpu_check_arguments(struct amdgpu_device *adev) | |
966 | { | |
5b011235 CZ |
967 | if (amdgpu_sched_jobs < 4) { |
968 | dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", | |
969 | amdgpu_sched_jobs); | |
970 | amdgpu_sched_jobs = 4; | |
971 | } else if (!amdgpu_check_pot_argument(amdgpu_sched_jobs)){ | |
972 | dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n", | |
973 | amdgpu_sched_jobs); | |
974 | amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs); | |
975 | } | |
d38ceaf9 AD |
976 | |
977 | if (amdgpu_gart_size != -1) { | |
c4e1a13a | 978 | /* gtt size must be greater or equal to 32M */ |
d38ceaf9 AD |
979 | if (amdgpu_gart_size < 32) { |
980 | dev_warn(adev->dev, "gart size (%d) too small\n", | |
981 | amdgpu_gart_size); | |
982 | amdgpu_gart_size = -1; | |
d38ceaf9 AD |
983 | } |
984 | } | |
985 | ||
986 | if (!amdgpu_check_pot_argument(amdgpu_vm_size)) { | |
987 | dev_warn(adev->dev, "VM size (%d) must be a power of 2\n", | |
988 | amdgpu_vm_size); | |
8dacc127 | 989 | amdgpu_vm_size = 8; |
d38ceaf9 AD |
990 | } |
991 | ||
992 | if (amdgpu_vm_size < 1) { | |
993 | dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", | |
994 | amdgpu_vm_size); | |
8dacc127 | 995 | amdgpu_vm_size = 8; |
d38ceaf9 AD |
996 | } |
997 | ||
998 | /* | |
999 | * Max GPUVM size for Cayman, SI and CI are 40 bits. | |
1000 | */ | |
1001 | if (amdgpu_vm_size > 1024) { | |
1002 | dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n", | |
1003 | amdgpu_vm_size); | |
8dacc127 | 1004 | amdgpu_vm_size = 8; |
d38ceaf9 AD |
1005 | } |
1006 | ||
1007 | /* defines number of bits in page table versus page directory, | |
1008 | * a page is 4KB so we have 12 bits offset, minimum 9 bits in the | |
1009 | * page table and the remaining bits are in the page directory */ | |
1010 | if (amdgpu_vm_block_size == -1) { | |
1011 | ||
1012 | /* Total bits covered by PD + PTs */ | |
1013 | unsigned bits = ilog2(amdgpu_vm_size) + 18; | |
1014 | ||
1015 | /* Make sure the PD is 4K in size up to 8GB address space. | |
1016 | Above that split equal between PD and PTs */ | |
1017 | if (amdgpu_vm_size <= 8) | |
1018 | amdgpu_vm_block_size = bits - 9; | |
1019 | else | |
1020 | amdgpu_vm_block_size = (bits + 3) / 2; | |
1021 | ||
1022 | } else if (amdgpu_vm_block_size < 9) { | |
1023 | dev_warn(adev->dev, "VM page table size (%d) too small\n", | |
1024 | amdgpu_vm_block_size); | |
1025 | amdgpu_vm_block_size = 9; | |
1026 | } | |
1027 | ||
1028 | if (amdgpu_vm_block_size > 24 || | |
1029 | (amdgpu_vm_size * 1024) < (1ull << amdgpu_vm_block_size)) { | |
1030 | dev_warn(adev->dev, "VM page table size (%d) too large\n", | |
1031 | amdgpu_vm_block_size); | |
1032 | amdgpu_vm_block_size = 9; | |
1033 | } | |
6a7f76e7 | 1034 | |
526bae37 | 1035 | if (amdgpu_vram_page_split != -1 && (amdgpu_vram_page_split < 16 || |
1036 | !amdgpu_check_pot_argument(amdgpu_vram_page_split))) { | |
6a7f76e7 CK |
1037 | dev_warn(adev->dev, "invalid VRAM page split (%d)\n", |
1038 | amdgpu_vram_page_split); | |
1039 | amdgpu_vram_page_split = 1024; | |
1040 | } | |
d38ceaf9 AD |
1041 | } |
1042 | ||
1043 | /** | |
1044 | * amdgpu_switcheroo_set_state - set switcheroo state | |
1045 | * | |
1046 | * @pdev: pci dev pointer | |
1694467b | 1047 | * @state: vga_switcheroo state |
d38ceaf9 AD |
1048 | * |
1049 | * Callback for the switcheroo driver. Suspends or resumes the | |
1050 | * the asics before or after it is powered up using ACPI methods. | |
1051 | */ | |
1052 | static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) | |
1053 | { | |
1054 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1055 | ||
1056 | if (amdgpu_device_is_px(dev) && state == VGA_SWITCHEROO_OFF) | |
1057 | return; | |
1058 | ||
1059 | if (state == VGA_SWITCHEROO_ON) { | |
1060 | unsigned d3_delay = dev->pdev->d3_delay; | |
1061 | ||
1062 | printk(KERN_INFO "amdgpu: switched on\n"); | |
1063 | /* don't suspend or resume card normally */ | |
1064 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
1065 | ||
810ddc3a | 1066 | amdgpu_device_resume(dev, true, true); |
d38ceaf9 AD |
1067 | |
1068 | dev->pdev->d3_delay = d3_delay; | |
1069 | ||
1070 | dev->switch_power_state = DRM_SWITCH_POWER_ON; | |
1071 | drm_kms_helper_poll_enable(dev); | |
1072 | } else { | |
1073 | printk(KERN_INFO "amdgpu: switched off\n"); | |
1074 | drm_kms_helper_poll_disable(dev); | |
1075 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; | |
810ddc3a | 1076 | amdgpu_device_suspend(dev, true, true); |
d38ceaf9 AD |
1077 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
1078 | } | |
1079 | } | |
1080 | ||
1081 | /** | |
1082 | * amdgpu_switcheroo_can_switch - see if switcheroo state can change | |
1083 | * | |
1084 | * @pdev: pci dev pointer | |
1085 | * | |
1086 | * Callback for the switcheroo driver. Check of the switcheroo | |
1087 | * state can be changed. | |
1088 | * Returns true if the state can be changed, false if not. | |
1089 | */ | |
1090 | static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) | |
1091 | { | |
1092 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1093 | ||
1094 | /* | |
1095 | * FIXME: open_count is protected by drm_global_mutex but that would lead to | |
1096 | * locking inversion with the driver load path. And the access here is | |
1097 | * completely racy anyway. So don't bother with locking for now. | |
1098 | */ | |
1099 | return dev->open_count == 0; | |
1100 | } | |
1101 | ||
1102 | static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { | |
1103 | .set_gpu_state = amdgpu_switcheroo_set_state, | |
1104 | .reprobe = NULL, | |
1105 | .can_switch = amdgpu_switcheroo_can_switch, | |
1106 | }; | |
1107 | ||
1108 | int amdgpu_set_clockgating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1109 | enum amd_ip_block_type block_type, |
1110 | enum amd_clockgating_state state) | |
d38ceaf9 AD |
1111 | { |
1112 | int i, r = 0; | |
1113 | ||
1114 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1115 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1116 | continue; |
a1255107 AD |
1117 | if (adev->ip_blocks[i].version->type == block_type) { |
1118 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, | |
1119 | state); | |
d38ceaf9 AD |
1120 | if (r) |
1121 | return r; | |
a225bf1c | 1122 | break; |
d38ceaf9 AD |
1123 | } |
1124 | } | |
1125 | return r; | |
1126 | } | |
1127 | ||
1128 | int amdgpu_set_powergating_state(struct amdgpu_device *adev, | |
5fc3aeeb | 1129 | enum amd_ip_block_type block_type, |
1130 | enum amd_powergating_state state) | |
d38ceaf9 AD |
1131 | { |
1132 | int i, r = 0; | |
1133 | ||
1134 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1135 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1136 | continue; |
a1255107 AD |
1137 | if (adev->ip_blocks[i].version->type == block_type) { |
1138 | r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, | |
1139 | state); | |
d38ceaf9 AD |
1140 | if (r) |
1141 | return r; | |
a225bf1c | 1142 | break; |
d38ceaf9 AD |
1143 | } |
1144 | } | |
1145 | return r; | |
1146 | } | |
1147 | ||
6cb2d4e4 HR |
1148 | void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) |
1149 | { | |
1150 | int i; | |
1151 | ||
1152 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
1153 | if (!adev->ip_blocks[i].status.valid) | |
1154 | continue; | |
1155 | if (adev->ip_blocks[i].version->funcs->get_clockgating_state) | |
1156 | adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags); | |
1157 | } | |
1158 | } | |
1159 | ||
5dbbb60b AD |
1160 | int amdgpu_wait_for_idle(struct amdgpu_device *adev, |
1161 | enum amd_ip_block_type block_type) | |
1162 | { | |
1163 | int i, r; | |
1164 | ||
1165 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1166 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1167 | continue; |
a1255107 AD |
1168 | if (adev->ip_blocks[i].version->type == block_type) { |
1169 | r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev); | |
5dbbb60b AD |
1170 | if (r) |
1171 | return r; | |
1172 | break; | |
1173 | } | |
1174 | } | |
1175 | return 0; | |
1176 | ||
1177 | } | |
1178 | ||
1179 | bool amdgpu_is_idle(struct amdgpu_device *adev, | |
1180 | enum amd_ip_block_type block_type) | |
1181 | { | |
1182 | int i; | |
1183 | ||
1184 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1185 | if (!adev->ip_blocks[i].status.valid) |
9ecbe7f5 | 1186 | continue; |
a1255107 AD |
1187 | if (adev->ip_blocks[i].version->type == block_type) |
1188 | return adev->ip_blocks[i].version->funcs->is_idle((void *)adev); | |
5dbbb60b AD |
1189 | } |
1190 | return true; | |
1191 | ||
1192 | } | |
1193 | ||
a1255107 AD |
1194 | struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev, |
1195 | enum amd_ip_block_type type) | |
d38ceaf9 AD |
1196 | { |
1197 | int i; | |
1198 | ||
1199 | for (i = 0; i < adev->num_ip_blocks; i++) | |
a1255107 | 1200 | if (adev->ip_blocks[i].version->type == type) |
d38ceaf9 AD |
1201 | return &adev->ip_blocks[i]; |
1202 | ||
1203 | return NULL; | |
1204 | } | |
1205 | ||
1206 | /** | |
1207 | * amdgpu_ip_block_version_cmp | |
1208 | * | |
1209 | * @adev: amdgpu_device pointer | |
5fc3aeeb | 1210 | * @type: enum amd_ip_block_type |
d38ceaf9 AD |
1211 | * @major: major version |
1212 | * @minor: minor version | |
1213 | * | |
1214 | * return 0 if equal or greater | |
1215 | * return 1 if smaller or the ip_block doesn't exist | |
1216 | */ | |
1217 | int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev, | |
5fc3aeeb | 1218 | enum amd_ip_block_type type, |
d38ceaf9 AD |
1219 | u32 major, u32 minor) |
1220 | { | |
a1255107 | 1221 | struct amdgpu_ip_block *ip_block = amdgpu_get_ip_block(adev, type); |
d38ceaf9 | 1222 | |
a1255107 AD |
1223 | if (ip_block && ((ip_block->version->major > major) || |
1224 | ((ip_block->version->major == major) && | |
1225 | (ip_block->version->minor >= minor)))) | |
d38ceaf9 AD |
1226 | return 0; |
1227 | ||
1228 | return 1; | |
1229 | } | |
1230 | ||
a1255107 AD |
1231 | /** |
1232 | * amdgpu_ip_block_add | |
1233 | * | |
1234 | * @adev: amdgpu_device pointer | |
1235 | * @ip_block_version: pointer to the IP to add | |
1236 | * | |
1237 | * Adds the IP block driver information to the collection of IPs | |
1238 | * on the asic. | |
1239 | */ | |
1240 | int amdgpu_ip_block_add(struct amdgpu_device *adev, | |
1241 | const struct amdgpu_ip_block_version *ip_block_version) | |
1242 | { | |
1243 | if (!ip_block_version) | |
1244 | return -EINVAL; | |
1245 | ||
1246 | adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version; | |
1247 | ||
1248 | return 0; | |
1249 | } | |
1250 | ||
483ef985 | 1251 | static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) |
9accf2fd ED |
1252 | { |
1253 | adev->enable_virtual_display = false; | |
1254 | ||
1255 | if (amdgpu_virtual_display) { | |
1256 | struct drm_device *ddev = adev->ddev; | |
1257 | const char *pci_address_name = pci_name(ddev->pdev); | |
0f66356d | 1258 | char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; |
9accf2fd ED |
1259 | |
1260 | pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); | |
1261 | pciaddstr_tmp = pciaddstr; | |
0f66356d ED |
1262 | while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) { |
1263 | pciaddname = strsep(&pciaddname_tmp, ","); | |
967de2a9 YT |
1264 | if (!strcmp("all", pciaddname) |
1265 | || !strcmp(pci_address_name, pciaddname)) { | |
0f66356d ED |
1266 | long num_crtc; |
1267 | int res = -1; | |
1268 | ||
9accf2fd | 1269 | adev->enable_virtual_display = true; |
0f66356d ED |
1270 | |
1271 | if (pciaddname_tmp) | |
1272 | res = kstrtol(pciaddname_tmp, 10, | |
1273 | &num_crtc); | |
1274 | ||
1275 | if (!res) { | |
1276 | if (num_crtc < 1) | |
1277 | num_crtc = 1; | |
1278 | if (num_crtc > 6) | |
1279 | num_crtc = 6; | |
1280 | adev->mode_info.num_crtc = num_crtc; | |
1281 | } else { | |
1282 | adev->mode_info.num_crtc = 1; | |
1283 | } | |
9accf2fd ED |
1284 | break; |
1285 | } | |
1286 | } | |
1287 | ||
0f66356d ED |
1288 | DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n", |
1289 | amdgpu_virtual_display, pci_address_name, | |
1290 | adev->enable_virtual_display, adev->mode_info.num_crtc); | |
9accf2fd ED |
1291 | |
1292 | kfree(pciaddstr); | |
1293 | } | |
1294 | } | |
1295 | ||
d38ceaf9 AD |
1296 | static int amdgpu_early_init(struct amdgpu_device *adev) |
1297 | { | |
aaa36a97 | 1298 | int i, r; |
d38ceaf9 | 1299 | |
483ef985 | 1300 | amdgpu_device_enable_virtual_display(adev); |
a6be7570 | 1301 | |
d38ceaf9 | 1302 | switch (adev->asic_type) { |
aaa36a97 AD |
1303 | case CHIP_TOPAZ: |
1304 | case CHIP_TONGA: | |
48299f95 | 1305 | case CHIP_FIJI: |
2cc0c0b5 FC |
1306 | case CHIP_POLARIS11: |
1307 | case CHIP_POLARIS10: | |
c4642a47 | 1308 | case CHIP_POLARIS12: |
aaa36a97 | 1309 | case CHIP_CARRIZO: |
39bb0c92 SL |
1310 | case CHIP_STONEY: |
1311 | if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) | |
aaa36a97 AD |
1312 | adev->family = AMDGPU_FAMILY_CZ; |
1313 | else | |
1314 | adev->family = AMDGPU_FAMILY_VI; | |
1315 | ||
1316 | r = vi_set_ip_blocks(adev); | |
1317 | if (r) | |
1318 | return r; | |
1319 | break; | |
33f34802 KW |
1320 | #ifdef CONFIG_DRM_AMDGPU_SI |
1321 | case CHIP_VERDE: | |
1322 | case CHIP_TAHITI: | |
1323 | case CHIP_PITCAIRN: | |
1324 | case CHIP_OLAND: | |
1325 | case CHIP_HAINAN: | |
295d0daf | 1326 | adev->family = AMDGPU_FAMILY_SI; |
33f34802 KW |
1327 | r = si_set_ip_blocks(adev); |
1328 | if (r) | |
1329 | return r; | |
1330 | break; | |
1331 | #endif | |
a2e73f56 AD |
1332 | #ifdef CONFIG_DRM_AMDGPU_CIK |
1333 | case CHIP_BONAIRE: | |
1334 | case CHIP_HAWAII: | |
1335 | case CHIP_KAVERI: | |
1336 | case CHIP_KABINI: | |
1337 | case CHIP_MULLINS: | |
1338 | if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII)) | |
1339 | adev->family = AMDGPU_FAMILY_CI; | |
1340 | else | |
1341 | adev->family = AMDGPU_FAMILY_KV; | |
1342 | ||
1343 | r = cik_set_ip_blocks(adev); | |
1344 | if (r) | |
1345 | return r; | |
1346 | break; | |
1347 | #endif | |
d38ceaf9 AD |
1348 | default: |
1349 | /* FIXME: not supported yet */ | |
1350 | return -EINVAL; | |
1351 | } | |
1352 | ||
3149d9da XY |
1353 | if (amdgpu_sriov_vf(adev)) { |
1354 | r = amdgpu_virt_request_full_gpu(adev, true); | |
1355 | if (r) | |
1356 | return r; | |
1357 | } | |
1358 | ||
d38ceaf9 AD |
1359 | for (i = 0; i < adev->num_ip_blocks; i++) { |
1360 | if ((amdgpu_ip_block_mask & (1 << i)) == 0) { | |
1361 | DRM_ERROR("disabled ip block: %d\n", i); | |
a1255107 | 1362 | adev->ip_blocks[i].status.valid = false; |
d38ceaf9 | 1363 | } else { |
a1255107 AD |
1364 | if (adev->ip_blocks[i].version->funcs->early_init) { |
1365 | r = adev->ip_blocks[i].version->funcs->early_init((void *)adev); | |
2c1a2784 | 1366 | if (r == -ENOENT) { |
a1255107 | 1367 | adev->ip_blocks[i].status.valid = false; |
2c1a2784 | 1368 | } else if (r) { |
a1255107 AD |
1369 | DRM_ERROR("early_init of IP block <%s> failed %d\n", |
1370 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1371 | return r; |
2c1a2784 | 1372 | } else { |
a1255107 | 1373 | adev->ip_blocks[i].status.valid = true; |
2c1a2784 | 1374 | } |
974e6b64 | 1375 | } else { |
a1255107 | 1376 | adev->ip_blocks[i].status.valid = true; |
d38ceaf9 | 1377 | } |
d38ceaf9 AD |
1378 | } |
1379 | } | |
1380 | ||
395d1fb9 NH |
1381 | adev->cg_flags &= amdgpu_cg_mask; |
1382 | adev->pg_flags &= amdgpu_pg_mask; | |
1383 | ||
d38ceaf9 AD |
1384 | return 0; |
1385 | } | |
1386 | ||
1387 | static int amdgpu_init(struct amdgpu_device *adev) | |
1388 | { | |
1389 | int i, r; | |
1390 | ||
1391 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1392 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1393 | continue; |
a1255107 | 1394 | r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev); |
2c1a2784 | 1395 | if (r) { |
a1255107 AD |
1396 | DRM_ERROR("sw_init of IP block <%s> failed %d\n", |
1397 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1398 | return r; |
2c1a2784 | 1399 | } |
a1255107 | 1400 | adev->ip_blocks[i].status.sw = true; |
d38ceaf9 | 1401 | /* need to do gmc hw init early so we can allocate gpu mem */ |
a1255107 | 1402 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 | 1403 | r = amdgpu_vram_scratch_init(adev); |
2c1a2784 AD |
1404 | if (r) { |
1405 | DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r); | |
d38ceaf9 | 1406 | return r; |
2c1a2784 | 1407 | } |
a1255107 | 1408 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 AD |
1409 | if (r) { |
1410 | DRM_ERROR("hw_init %d failed %d\n", i, r); | |
d38ceaf9 | 1411 | return r; |
2c1a2784 | 1412 | } |
d38ceaf9 | 1413 | r = amdgpu_wb_init(adev); |
2c1a2784 AD |
1414 | if (r) { |
1415 | DRM_ERROR("amdgpu_wb_init failed %d\n", r); | |
d38ceaf9 | 1416 | return r; |
2c1a2784 | 1417 | } |
a1255107 | 1418 | adev->ip_blocks[i].status.hw = true; |
2493664f ML |
1419 | |
1420 | /* right after GMC hw init, we create CSA */ | |
1421 | if (amdgpu_sriov_vf(adev)) { | |
1422 | r = amdgpu_allocate_static_csa(adev); | |
1423 | if (r) { | |
1424 | DRM_ERROR("allocate CSA failed %d\n", r); | |
1425 | return r; | |
1426 | } | |
1427 | } | |
d38ceaf9 AD |
1428 | } |
1429 | } | |
1430 | ||
1431 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1432 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 AD |
1433 | continue; |
1434 | /* gmc hw init is done early */ | |
a1255107 | 1435 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) |
d38ceaf9 | 1436 | continue; |
a1255107 | 1437 | r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); |
2c1a2784 | 1438 | if (r) { |
a1255107 AD |
1439 | DRM_ERROR("hw_init of IP block <%s> failed %d\n", |
1440 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1441 | return r; |
2c1a2784 | 1442 | } |
a1255107 | 1443 | adev->ip_blocks[i].status.hw = true; |
d38ceaf9 AD |
1444 | } |
1445 | ||
1446 | return 0; | |
1447 | } | |
1448 | ||
1449 | static int amdgpu_late_init(struct amdgpu_device *adev) | |
1450 | { | |
1451 | int i = 0, r; | |
1452 | ||
1453 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1454 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1455 | continue; |
a1255107 AD |
1456 | if (adev->ip_blocks[i].version->funcs->late_init) { |
1457 | r = adev->ip_blocks[i].version->funcs->late_init((void *)adev); | |
2c1a2784 | 1458 | if (r) { |
a1255107 AD |
1459 | DRM_ERROR("late_init of IP block <%s> failed %d\n", |
1460 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1461 | return r; |
2c1a2784 | 1462 | } |
a1255107 | 1463 | adev->ip_blocks[i].status.late_initialized = true; |
d38ceaf9 | 1464 | } |
4a446d55 | 1465 | /* skip CG for VCE/UVD, it's handled specially */ |
a1255107 AD |
1466 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && |
1467 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) { | |
4a446d55 | 1468 | /* enable clockgating to save power */ |
a1255107 AD |
1469 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1470 | AMD_CG_STATE_GATE); | |
4a446d55 AD |
1471 | if (r) { |
1472 | DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", | |
a1255107 | 1473 | adev->ip_blocks[i].version->funcs->name, r); |
4a446d55 AD |
1474 | return r; |
1475 | } | |
b0b00ff1 | 1476 | } |
d38ceaf9 AD |
1477 | } |
1478 | ||
1479 | return 0; | |
1480 | } | |
1481 | ||
1482 | static int amdgpu_fini(struct amdgpu_device *adev) | |
1483 | { | |
1484 | int i, r; | |
1485 | ||
3e96dbfd AD |
1486 | /* need to disable SMC first */ |
1487 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1488 | if (!adev->ip_blocks[i].status.hw) |
3e96dbfd | 1489 | continue; |
a1255107 | 1490 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |
3e96dbfd | 1491 | /* ungate blocks before hw fini so that we can shutdown the blocks safely */ |
a1255107 AD |
1492 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1493 | AMD_CG_STATE_UNGATE); | |
3e96dbfd AD |
1494 | if (r) { |
1495 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", | |
a1255107 | 1496 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd AD |
1497 | return r; |
1498 | } | |
a1255107 | 1499 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
3e96dbfd AD |
1500 | /* XXX handle errors */ |
1501 | if (r) { | |
1502 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", | |
a1255107 | 1503 | adev->ip_blocks[i].version->funcs->name, r); |
3e96dbfd | 1504 | } |
a1255107 | 1505 | adev->ip_blocks[i].status.hw = false; |
3e96dbfd AD |
1506 | break; |
1507 | } | |
1508 | } | |
1509 | ||
d38ceaf9 | 1510 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1511 | if (!adev->ip_blocks[i].status.hw) |
d38ceaf9 | 1512 | continue; |
a1255107 | 1513 | if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) { |
d38ceaf9 AD |
1514 | amdgpu_wb_fini(adev); |
1515 | amdgpu_vram_scratch_fini(adev); | |
1516 | } | |
8201a67a RZ |
1517 | |
1518 | if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && | |
1519 | adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE) { | |
1520 | /* ungate blocks before hw fini so that we can shutdown the blocks safely */ | |
1521 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, | |
1522 | AMD_CG_STATE_UNGATE); | |
1523 | if (r) { | |
1524 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", | |
1525 | adev->ip_blocks[i].version->funcs->name, r); | |
1526 | return r; | |
1527 | } | |
2c1a2784 | 1528 | } |
8201a67a | 1529 | |
a1255107 | 1530 | r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev); |
d38ceaf9 | 1531 | /* XXX handle errors */ |
2c1a2784 | 1532 | if (r) { |
a1255107 AD |
1533 | DRM_DEBUG("hw_fini of IP block <%s> failed %d\n", |
1534 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1535 | } |
8201a67a | 1536 | |
a1255107 | 1537 | adev->ip_blocks[i].status.hw = false; |
d38ceaf9 AD |
1538 | } |
1539 | ||
1540 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { | |
a1255107 | 1541 | if (!adev->ip_blocks[i].status.sw) |
d38ceaf9 | 1542 | continue; |
a1255107 | 1543 | r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev); |
d38ceaf9 | 1544 | /* XXX handle errors */ |
2c1a2784 | 1545 | if (r) { |
a1255107 AD |
1546 | DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", |
1547 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1548 | } |
a1255107 AD |
1549 | adev->ip_blocks[i].status.sw = false; |
1550 | adev->ip_blocks[i].status.valid = false; | |
d38ceaf9 AD |
1551 | } |
1552 | ||
a6dcfd9c | 1553 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1554 | if (!adev->ip_blocks[i].status.late_initialized) |
8a2eef1d | 1555 | continue; |
a1255107 AD |
1556 | if (adev->ip_blocks[i].version->funcs->late_fini) |
1557 | adev->ip_blocks[i].version->funcs->late_fini((void *)adev); | |
1558 | adev->ip_blocks[i].status.late_initialized = false; | |
a6dcfd9c ML |
1559 | } |
1560 | ||
3149d9da | 1561 | if (amdgpu_sriov_vf(adev)) { |
2493664f | 1562 | amdgpu_bo_free_kernel(&adev->virt.csa_obj, &adev->virt.csa_vmid0_addr, NULL); |
3149d9da XY |
1563 | amdgpu_virt_release_full_gpu(adev, false); |
1564 | } | |
2493664f | 1565 | |
d38ceaf9 AD |
1566 | return 0; |
1567 | } | |
1568 | ||
faefba95 | 1569 | int amdgpu_suspend(struct amdgpu_device *adev) |
d38ceaf9 AD |
1570 | { |
1571 | int i, r; | |
1572 | ||
e941ea99 XY |
1573 | if (amdgpu_sriov_vf(adev)) |
1574 | amdgpu_virt_request_full_gpu(adev, false); | |
1575 | ||
c5a93a28 FC |
1576 | /* ungate SMC block first */ |
1577 | r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, | |
1578 | AMD_CG_STATE_UNGATE); | |
1579 | if (r) { | |
1580 | DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n",r); | |
1581 | } | |
1582 | ||
d38ceaf9 | 1583 | for (i = adev->num_ip_blocks - 1; i >= 0; i--) { |
a1255107 | 1584 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 AD |
1585 | continue; |
1586 | /* ungate blocks so that suspend can properly shut them down */ | |
c5a93a28 | 1587 | if (i != AMD_IP_BLOCK_TYPE_SMC) { |
a1255107 AD |
1588 | r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, |
1589 | AMD_CG_STATE_UNGATE); | |
c5a93a28 | 1590 | if (r) { |
a1255107 AD |
1591 | DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n", |
1592 | adev->ip_blocks[i].version->funcs->name, r); | |
c5a93a28 | 1593 | } |
2c1a2784 | 1594 | } |
d38ceaf9 | 1595 | /* XXX handle errors */ |
a1255107 | 1596 | r = adev->ip_blocks[i].version->funcs->suspend(adev); |
d38ceaf9 | 1597 | /* XXX handle errors */ |
2c1a2784 | 1598 | if (r) { |
a1255107 AD |
1599 | DRM_ERROR("suspend of IP block <%s> failed %d\n", |
1600 | adev->ip_blocks[i].version->funcs->name, r); | |
2c1a2784 | 1601 | } |
d38ceaf9 AD |
1602 | } |
1603 | ||
e941ea99 XY |
1604 | if (amdgpu_sriov_vf(adev)) |
1605 | amdgpu_virt_release_full_gpu(adev, false); | |
1606 | ||
d38ceaf9 AD |
1607 | return 0; |
1608 | } | |
1609 | ||
1610 | static int amdgpu_resume(struct amdgpu_device *adev) | |
1611 | { | |
1612 | int i, r; | |
1613 | ||
1614 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 1615 | if (!adev->ip_blocks[i].status.valid) |
d38ceaf9 | 1616 | continue; |
a1255107 | 1617 | r = adev->ip_blocks[i].version->funcs->resume(adev); |
2c1a2784 | 1618 | if (r) { |
a1255107 AD |
1619 | DRM_ERROR("resume of IP block <%s> failed %d\n", |
1620 | adev->ip_blocks[i].version->funcs->name, r); | |
d38ceaf9 | 1621 | return r; |
2c1a2784 | 1622 | } |
d38ceaf9 AD |
1623 | } |
1624 | ||
1625 | return 0; | |
1626 | } | |
1627 | ||
4e99a44e | 1628 | static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) |
048765ad | 1629 | { |
4e99a44e | 1630 | if (amdgpu_atombios_has_gpu_virtualization_table(adev)) |
5a5099cb | 1631 | adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; |
048765ad AR |
1632 | } |
1633 | ||
d38ceaf9 AD |
1634 | /** |
1635 | * amdgpu_device_init - initialize the driver | |
1636 | * | |
1637 | * @adev: amdgpu_device pointer | |
1638 | * @pdev: drm dev pointer | |
1639 | * @pdev: pci dev pointer | |
1640 | * @flags: driver flags | |
1641 | * | |
1642 | * Initializes the driver info and hw (all asics). | |
1643 | * Returns 0 for success or an error on failure. | |
1644 | * Called at driver startup. | |
1645 | */ | |
1646 | int amdgpu_device_init(struct amdgpu_device *adev, | |
1647 | struct drm_device *ddev, | |
1648 | struct pci_dev *pdev, | |
1649 | uint32_t flags) | |
1650 | { | |
1651 | int r, i; | |
1652 | bool runtime = false; | |
95844d20 | 1653 | u32 max_MBps; |
d38ceaf9 AD |
1654 | |
1655 | adev->shutdown = false; | |
1656 | adev->dev = &pdev->dev; | |
1657 | adev->ddev = ddev; | |
1658 | adev->pdev = pdev; | |
1659 | adev->flags = flags; | |
2f7d10b3 | 1660 | adev->asic_type = flags & AMD_ASIC_MASK; |
d38ceaf9 AD |
1661 | adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; |
1662 | adev->mc.gtt_size = 512 * 1024 * 1024; | |
1663 | adev->accel_working = false; | |
1664 | adev->num_rings = 0; | |
1665 | adev->mman.buffer_funcs = NULL; | |
1666 | adev->mman.buffer_funcs_ring = NULL; | |
1667 | adev->vm_manager.vm_pte_funcs = NULL; | |
2d55e45a | 1668 | adev->vm_manager.vm_pte_num_rings = 0; |
d38ceaf9 | 1669 | adev->gart.gart_funcs = NULL; |
f54d1867 | 1670 | adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); |
d38ceaf9 AD |
1671 | |
1672 | adev->smc_rreg = &amdgpu_invalid_rreg; | |
1673 | adev->smc_wreg = &amdgpu_invalid_wreg; | |
1674 | adev->pcie_rreg = &amdgpu_invalid_rreg; | |
1675 | adev->pcie_wreg = &amdgpu_invalid_wreg; | |
36b9a952 HR |
1676 | adev->pciep_rreg = &amdgpu_invalid_rreg; |
1677 | adev->pciep_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
1678 | adev->uvd_ctx_rreg = &amdgpu_invalid_rreg; |
1679 | adev->uvd_ctx_wreg = &amdgpu_invalid_wreg; | |
1680 | adev->didt_rreg = &amdgpu_invalid_rreg; | |
1681 | adev->didt_wreg = &amdgpu_invalid_wreg; | |
ccdbb20a RZ |
1682 | adev->gc_cac_rreg = &amdgpu_invalid_rreg; |
1683 | adev->gc_cac_wreg = &amdgpu_invalid_wreg; | |
d38ceaf9 AD |
1684 | adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg; |
1685 | adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg; | |
1686 | ||
ccdbb20a | 1687 | |
3e39ab90 AD |
1688 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", |
1689 | amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device, | |
1690 | pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); | |
d38ceaf9 AD |
1691 | |
1692 | /* mutex initialization are all done here so we | |
1693 | * can recall function without having locking issues */ | |
8d0a7cea | 1694 | mutex_init(&adev->vm_manager.lock); |
d38ceaf9 | 1695 | atomic_set(&adev->irq.ih.lock, 0); |
d38ceaf9 AD |
1696 | mutex_init(&adev->pm.mutex); |
1697 | mutex_init(&adev->gfx.gpu_clock_mutex); | |
1698 | mutex_init(&adev->srbm_mutex); | |
1699 | mutex_init(&adev->grbm_idx_mutex); | |
d38ceaf9 AD |
1700 | mutex_init(&adev->mn_lock); |
1701 | hash_init(adev->mn_hash); | |
1702 | ||
1703 | amdgpu_check_arguments(adev); | |
1704 | ||
1705 | /* Registers mapping */ | |
1706 | /* TODO: block userspace mapping of io register */ | |
1707 | spin_lock_init(&adev->mmio_idx_lock); | |
1708 | spin_lock_init(&adev->smc_idx_lock); | |
1709 | spin_lock_init(&adev->pcie_idx_lock); | |
1710 | spin_lock_init(&adev->uvd_ctx_idx_lock); | |
1711 | spin_lock_init(&adev->didt_idx_lock); | |
ccdbb20a | 1712 | spin_lock_init(&adev->gc_cac_idx_lock); |
d38ceaf9 | 1713 | spin_lock_init(&adev->audio_endpt_idx_lock); |
95844d20 | 1714 | spin_lock_init(&adev->mm_stats.lock); |
d38ceaf9 | 1715 | |
0c4e7fa5 CZ |
1716 | INIT_LIST_HEAD(&adev->shadow_list); |
1717 | mutex_init(&adev->shadow_list_lock); | |
1718 | ||
5c1354bd CZ |
1719 | INIT_LIST_HEAD(&adev->gtt_list); |
1720 | spin_lock_init(&adev->gtt_list_lock); | |
1721 | ||
da69c161 KW |
1722 | if (adev->asic_type >= CHIP_BONAIRE) { |
1723 | adev->rmmio_base = pci_resource_start(adev->pdev, 5); | |
1724 | adev->rmmio_size = pci_resource_len(adev->pdev, 5); | |
1725 | } else { | |
1726 | adev->rmmio_base = pci_resource_start(adev->pdev, 2); | |
1727 | adev->rmmio_size = pci_resource_len(adev->pdev, 2); | |
1728 | } | |
d38ceaf9 | 1729 | |
d38ceaf9 AD |
1730 | adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size); |
1731 | if (adev->rmmio == NULL) { | |
1732 | return -ENOMEM; | |
1733 | } | |
1734 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); | |
1735 | DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); | |
1736 | ||
da69c161 KW |
1737 | if (adev->asic_type >= CHIP_BONAIRE) |
1738 | /* doorbell bar mapping */ | |
1739 | amdgpu_doorbell_init(adev); | |
d38ceaf9 AD |
1740 | |
1741 | /* io port mapping */ | |
1742 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
1743 | if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { | |
1744 | adev->rio_mem_size = pci_resource_len(adev->pdev, i); | |
1745 | adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); | |
1746 | break; | |
1747 | } | |
1748 | } | |
1749 | if (adev->rio_mem == NULL) | |
b64a18c5 | 1750 | DRM_INFO("PCI I/O BAR is not found.\n"); |
d38ceaf9 AD |
1751 | |
1752 | /* early init functions */ | |
1753 | r = amdgpu_early_init(adev); | |
1754 | if (r) | |
1755 | return r; | |
1756 | ||
1757 | /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ | |
1758 | /* this will fail for cards that aren't VGA class devices, just | |
1759 | * ignore it */ | |
1760 | vga_client_register(adev->pdev, adev, NULL, amdgpu_vga_set_decode); | |
1761 | ||
1762 | if (amdgpu_runtime_pm == 1) | |
1763 | runtime = true; | |
e9bef455 | 1764 | if (amdgpu_device_is_px(ddev)) |
d38ceaf9 AD |
1765 | runtime = true; |
1766 | vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime); | |
1767 | if (runtime) | |
1768 | vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); | |
1769 | ||
1770 | /* Read BIOS */ | |
83ba126a AD |
1771 | if (!amdgpu_get_bios(adev)) { |
1772 | r = -EINVAL; | |
1773 | goto failed; | |
1774 | } | |
f7e9e9fe | 1775 | |
d38ceaf9 | 1776 | r = amdgpu_atombios_init(adev); |
2c1a2784 AD |
1777 | if (r) { |
1778 | dev_err(adev->dev, "amdgpu_atombios_init failed\n"); | |
83ba126a | 1779 | goto failed; |
2c1a2784 | 1780 | } |
d38ceaf9 | 1781 | |
4e99a44e ML |
1782 | /* detect if we are with an SRIOV vbios */ |
1783 | amdgpu_device_detect_sriov_bios(adev); | |
048765ad | 1784 | |
d38ceaf9 | 1785 | /* Post card if necessary */ |
bec86378 | 1786 | if (amdgpu_vpost_needed(adev)) { |
d38ceaf9 | 1787 | if (!adev->bios) { |
bec86378 | 1788 | dev_err(adev->dev, "no vBIOS found\n"); |
83ba126a AD |
1789 | r = -EINVAL; |
1790 | goto failed; | |
d38ceaf9 | 1791 | } |
bec86378 | 1792 | DRM_INFO("GPU posting now...\n"); |
4e99a44e ML |
1793 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
1794 | if (r) { | |
1795 | dev_err(adev->dev, "gpu post error!\n"); | |
1796 | goto failed; | |
1797 | } | |
1798 | } else { | |
1799 | DRM_INFO("GPU post is not needed\n"); | |
d38ceaf9 AD |
1800 | } |
1801 | ||
1802 | /* Initialize clocks */ | |
1803 | r = amdgpu_atombios_get_clock_info(adev); | |
2c1a2784 AD |
1804 | if (r) { |
1805 | dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n"); | |
83ba126a | 1806 | goto failed; |
2c1a2784 | 1807 | } |
d38ceaf9 AD |
1808 | /* init i2c buses */ |
1809 | amdgpu_atombios_i2c_init(adev); | |
1810 | ||
1811 | /* Fence driver */ | |
1812 | r = amdgpu_fence_driver_init(adev); | |
2c1a2784 AD |
1813 | if (r) { |
1814 | dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); | |
83ba126a | 1815 | goto failed; |
2c1a2784 | 1816 | } |
d38ceaf9 AD |
1817 | |
1818 | /* init the mode config */ | |
1819 | drm_mode_config_init(adev->ddev); | |
1820 | ||
1821 | r = amdgpu_init(adev); | |
1822 | if (r) { | |
2c1a2784 | 1823 | dev_err(adev->dev, "amdgpu_init failed\n"); |
d38ceaf9 | 1824 | amdgpu_fini(adev); |
83ba126a | 1825 | goto failed; |
d38ceaf9 AD |
1826 | } |
1827 | ||
1828 | adev->accel_working = true; | |
1829 | ||
95844d20 MO |
1830 | /* Initialize the buffer migration limit. */ |
1831 | if (amdgpu_moverate >= 0) | |
1832 | max_MBps = amdgpu_moverate; | |
1833 | else | |
1834 | max_MBps = 8; /* Allow 8 MB/s. */ | |
1835 | /* Get a log2 for easy divisions. */ | |
1836 | adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); | |
1837 | ||
d38ceaf9 AD |
1838 | amdgpu_fbdev_init(adev); |
1839 | ||
1840 | r = amdgpu_ib_pool_init(adev); | |
1841 | if (r) { | |
1842 | dev_err(adev->dev, "IB initialization failed (%d).\n", r); | |
83ba126a | 1843 | goto failed; |
d38ceaf9 AD |
1844 | } |
1845 | ||
1846 | r = amdgpu_ib_ring_tests(adev); | |
1847 | if (r) | |
1848 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
1849 | ||
1850 | r = amdgpu_gem_debugfs_init(adev); | |
1851 | if (r) { | |
1852 | DRM_ERROR("registering gem debugfs failed (%d).\n", r); | |
1853 | } | |
1854 | ||
1855 | r = amdgpu_debugfs_regs_init(adev); | |
1856 | if (r) { | |
1857 | DRM_ERROR("registering register debugfs failed (%d).\n", r); | |
1858 | } | |
1859 | ||
50ab2533 HR |
1860 | r = amdgpu_debugfs_firmware_init(adev); |
1861 | if (r) { | |
1862 | DRM_ERROR("registering firmware debugfs failed (%d).\n", r); | |
1863 | return r; | |
1864 | } | |
1865 | ||
d38ceaf9 AD |
1866 | if ((amdgpu_testing & 1)) { |
1867 | if (adev->accel_working) | |
1868 | amdgpu_test_moves(adev); | |
1869 | else | |
1870 | DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n"); | |
1871 | } | |
1872 | if ((amdgpu_testing & 2)) { | |
1873 | if (adev->accel_working) | |
1874 | amdgpu_test_syncing(adev); | |
1875 | else | |
1876 | DRM_INFO("amdgpu: acceleration disabled, skipping sync tests\n"); | |
1877 | } | |
1878 | if (amdgpu_benchmarking) { | |
1879 | if (adev->accel_working) | |
1880 | amdgpu_benchmark(adev, amdgpu_benchmarking); | |
1881 | else | |
1882 | DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n"); | |
1883 | } | |
1884 | ||
1885 | /* enable clockgating, etc. after ib tests, etc. since some blocks require | |
1886 | * explicit gating rather than handling it automatically. | |
1887 | */ | |
1888 | r = amdgpu_late_init(adev); | |
2c1a2784 AD |
1889 | if (r) { |
1890 | dev_err(adev->dev, "amdgpu_late_init failed\n"); | |
83ba126a | 1891 | goto failed; |
2c1a2784 | 1892 | } |
d38ceaf9 AD |
1893 | |
1894 | return 0; | |
83ba126a AD |
1895 | |
1896 | failed: | |
1897 | if (runtime) | |
1898 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
1899 | return r; | |
d38ceaf9 AD |
1900 | } |
1901 | ||
d38ceaf9 AD |
1902 | /** |
1903 | * amdgpu_device_fini - tear down the driver | |
1904 | * | |
1905 | * @adev: amdgpu_device pointer | |
1906 | * | |
1907 | * Tear down the driver info (all asics). | |
1908 | * Called at driver shutdown. | |
1909 | */ | |
1910 | void amdgpu_device_fini(struct amdgpu_device *adev) | |
1911 | { | |
1912 | int r; | |
1913 | ||
1914 | DRM_INFO("amdgpu: finishing device.\n"); | |
1915 | adev->shutdown = true; | |
a951ed85 | 1916 | drm_crtc_force_disable_all(adev->ddev); |
d38ceaf9 AD |
1917 | /* evict vram memory */ |
1918 | amdgpu_bo_evict_vram(adev); | |
1919 | amdgpu_ib_pool_fini(adev); | |
1920 | amdgpu_fence_driver_fini(adev); | |
1921 | amdgpu_fbdev_fini(adev); | |
1922 | r = amdgpu_fini(adev); | |
d38ceaf9 AD |
1923 | adev->accel_working = false; |
1924 | /* free i2c buses */ | |
1925 | amdgpu_i2c_fini(adev); | |
1926 | amdgpu_atombios_fini(adev); | |
1927 | kfree(adev->bios); | |
1928 | adev->bios = NULL; | |
1929 | vga_switcheroo_unregister_client(adev->pdev); | |
83ba126a AD |
1930 | if (adev->flags & AMD_IS_PX) |
1931 | vga_switcheroo_fini_domain_pm_ops(adev->dev); | |
d38ceaf9 AD |
1932 | vga_client_register(adev->pdev, NULL, NULL, NULL); |
1933 | if (adev->rio_mem) | |
1934 | pci_iounmap(adev->pdev, adev->rio_mem); | |
1935 | adev->rio_mem = NULL; | |
1936 | iounmap(adev->rmmio); | |
1937 | adev->rmmio = NULL; | |
da69c161 KW |
1938 | if (adev->asic_type >= CHIP_BONAIRE) |
1939 | amdgpu_doorbell_fini(adev); | |
d38ceaf9 | 1940 | amdgpu_debugfs_regs_cleanup(adev); |
d38ceaf9 AD |
1941 | } |
1942 | ||
1943 | ||
1944 | /* | |
1945 | * Suspend & resume. | |
1946 | */ | |
1947 | /** | |
810ddc3a | 1948 | * amdgpu_device_suspend - initiate device suspend |
d38ceaf9 AD |
1949 | * |
1950 | * @pdev: drm dev pointer | |
1951 | * @state: suspend state | |
1952 | * | |
1953 | * Puts the hw in the suspend state (all asics). | |
1954 | * Returns 0 for success or an error on failure. | |
1955 | * Called at driver suspend. | |
1956 | */ | |
810ddc3a | 1957 | int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) |
d38ceaf9 AD |
1958 | { |
1959 | struct amdgpu_device *adev; | |
1960 | struct drm_crtc *crtc; | |
1961 | struct drm_connector *connector; | |
5ceb54c6 | 1962 | int r; |
d38ceaf9 AD |
1963 | |
1964 | if (dev == NULL || dev->dev_private == NULL) { | |
1965 | return -ENODEV; | |
1966 | } | |
1967 | ||
1968 | adev = dev->dev_private; | |
1969 | ||
1970 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
1971 | return 0; | |
1972 | ||
1973 | drm_kms_helper_poll_disable(dev); | |
1974 | ||
1975 | /* turn off display hw */ | |
4c7fbc39 | 1976 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
1977 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
1978 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
1979 | } | |
4c7fbc39 | 1980 | drm_modeset_unlock_all(dev); |
d38ceaf9 | 1981 | |
756e6880 | 1982 | /* unpin the front buffers and cursors */ |
d38ceaf9 | 1983 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
756e6880 | 1984 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); |
d38ceaf9 AD |
1985 | struct amdgpu_framebuffer *rfb = to_amdgpu_framebuffer(crtc->primary->fb); |
1986 | struct amdgpu_bo *robj; | |
1987 | ||
756e6880 AD |
1988 | if (amdgpu_crtc->cursor_bo) { |
1989 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
1990 | r = amdgpu_bo_reserve(aobj, false); | |
1991 | if (r == 0) { | |
1992 | amdgpu_bo_unpin(aobj); | |
1993 | amdgpu_bo_unreserve(aobj); | |
1994 | } | |
1995 | } | |
1996 | ||
d38ceaf9 AD |
1997 | if (rfb == NULL || rfb->obj == NULL) { |
1998 | continue; | |
1999 | } | |
2000 | robj = gem_to_amdgpu_bo(rfb->obj); | |
2001 | /* don't unpin kernel fb objects */ | |
2002 | if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { | |
2003 | r = amdgpu_bo_reserve(robj, false); | |
2004 | if (r == 0) { | |
2005 | amdgpu_bo_unpin(robj); | |
2006 | amdgpu_bo_unreserve(robj); | |
2007 | } | |
2008 | } | |
2009 | } | |
2010 | /* evict vram memory */ | |
2011 | amdgpu_bo_evict_vram(adev); | |
2012 | ||
5ceb54c6 | 2013 | amdgpu_fence_driver_suspend(adev); |
d38ceaf9 AD |
2014 | |
2015 | r = amdgpu_suspend(adev); | |
2016 | ||
a0a71e49 AD |
2017 | /* evict remaining vram memory |
2018 | * This second call to evict vram is to evict the gart page table | |
2019 | * using the CPU. | |
2020 | */ | |
d38ceaf9 AD |
2021 | amdgpu_bo_evict_vram(adev); |
2022 | ||
e695e77c | 2023 | amdgpu_atombios_scratch_regs_save(adev); |
d38ceaf9 AD |
2024 | pci_save_state(dev->pdev); |
2025 | if (suspend) { | |
2026 | /* Shut down the device */ | |
2027 | pci_disable_device(dev->pdev); | |
2028 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
74b0b157 | 2029 | } else { |
2030 | r = amdgpu_asic_reset(adev); | |
2031 | if (r) | |
2032 | DRM_ERROR("amdgpu asic reset failed\n"); | |
d38ceaf9 AD |
2033 | } |
2034 | ||
2035 | if (fbcon) { | |
2036 | console_lock(); | |
2037 | amdgpu_fbdev_set_suspend(adev, 1); | |
2038 | console_unlock(); | |
2039 | } | |
2040 | return 0; | |
2041 | } | |
2042 | ||
2043 | /** | |
810ddc3a | 2044 | * amdgpu_device_resume - initiate device resume |
d38ceaf9 AD |
2045 | * |
2046 | * @pdev: drm dev pointer | |
2047 | * | |
2048 | * Bring the hw back to operating state (all asics). | |
2049 | * Returns 0 for success or an error on failure. | |
2050 | * Called at driver resume. | |
2051 | */ | |
810ddc3a | 2052 | int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) |
d38ceaf9 AD |
2053 | { |
2054 | struct drm_connector *connector; | |
2055 | struct amdgpu_device *adev = dev->dev_private; | |
756e6880 | 2056 | struct drm_crtc *crtc; |
d38ceaf9 AD |
2057 | int r; |
2058 | ||
2059 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
2060 | return 0; | |
2061 | ||
74b0b157 | 2062 | if (fbcon) |
d38ceaf9 | 2063 | console_lock(); |
74b0b157 | 2064 | |
d38ceaf9 AD |
2065 | if (resume) { |
2066 | pci_set_power_state(dev->pdev, PCI_D0); | |
2067 | pci_restore_state(dev->pdev); | |
74b0b157 | 2068 | r = pci_enable_device(dev->pdev); |
2069 | if (r) { | |
d38ceaf9 AD |
2070 | if (fbcon) |
2071 | console_unlock(); | |
74b0b157 | 2072 | return r; |
d38ceaf9 AD |
2073 | } |
2074 | } | |
e695e77c | 2075 | amdgpu_atombios_scratch_regs_restore(adev); |
d38ceaf9 AD |
2076 | |
2077 | /* post card */ | |
c836fec5 | 2078 | if (amdgpu_need_post(adev)) { |
74b0b157 | 2079 | r = amdgpu_atom_asic_init(adev->mode_info.atom_context); |
2080 | if (r) | |
2081 | DRM_ERROR("amdgpu asic init failed\n"); | |
2082 | } | |
d38ceaf9 AD |
2083 | |
2084 | r = amdgpu_resume(adev); | |
ca198528 FC |
2085 | if (r) |
2086 | DRM_ERROR("amdgpu_resume failed (%d).\n", r); | |
d38ceaf9 | 2087 | |
5ceb54c6 AD |
2088 | amdgpu_fence_driver_resume(adev); |
2089 | ||
ca198528 FC |
2090 | if (resume) { |
2091 | r = amdgpu_ib_ring_tests(adev); | |
2092 | if (r) | |
2093 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
2094 | } | |
d38ceaf9 AD |
2095 | |
2096 | r = amdgpu_late_init(adev); | |
c085bd51 JQ |
2097 | if (r) { |
2098 | if (fbcon) | |
2099 | console_unlock(); | |
d38ceaf9 | 2100 | return r; |
c085bd51 | 2101 | } |
d38ceaf9 | 2102 | |
756e6880 AD |
2103 | /* pin cursors */ |
2104 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2105 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
2106 | ||
2107 | if (amdgpu_crtc->cursor_bo) { | |
2108 | struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); | |
2109 | r = amdgpu_bo_reserve(aobj, false); | |
2110 | if (r == 0) { | |
2111 | r = amdgpu_bo_pin(aobj, | |
2112 | AMDGPU_GEM_DOMAIN_VRAM, | |
2113 | &amdgpu_crtc->cursor_addr); | |
2114 | if (r != 0) | |
2115 | DRM_ERROR("Failed to pin cursor BO (%d)\n", r); | |
2116 | amdgpu_bo_unreserve(aobj); | |
2117 | } | |
2118 | } | |
2119 | } | |
2120 | ||
d38ceaf9 AD |
2121 | /* blat the mode back in */ |
2122 | if (fbcon) { | |
2123 | drm_helper_resume_force_mode(dev); | |
2124 | /* turn on display hw */ | |
4c7fbc39 | 2125 | drm_modeset_lock_all(dev); |
d38ceaf9 AD |
2126 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2127 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); | |
2128 | } | |
4c7fbc39 | 2129 | drm_modeset_unlock_all(dev); |
d38ceaf9 AD |
2130 | } |
2131 | ||
2132 | drm_kms_helper_poll_enable(dev); | |
23a1a9e5 L |
2133 | |
2134 | /* | |
2135 | * Most of the connector probing functions try to acquire runtime pm | |
2136 | * refs to ensure that the GPU is powered on when connector polling is | |
2137 | * performed. Since we're calling this from a runtime PM callback, | |
2138 | * trying to acquire rpm refs will cause us to deadlock. | |
2139 | * | |
2140 | * Since we're guaranteed to be holding the rpm lock, it's safe to | |
2141 | * temporarily disable the rpm helpers so this doesn't deadlock us. | |
2142 | */ | |
2143 | #ifdef CONFIG_PM | |
2144 | dev->dev->power.disable_depth++; | |
2145 | #endif | |
54fb2a5c | 2146 | drm_helper_hpd_irq_event(dev); |
23a1a9e5 L |
2147 | #ifdef CONFIG_PM |
2148 | dev->dev->power.disable_depth--; | |
2149 | #endif | |
d38ceaf9 AD |
2150 | |
2151 | if (fbcon) { | |
2152 | amdgpu_fbdev_set_suspend(adev, 0); | |
2153 | console_unlock(); | |
2154 | } | |
2155 | ||
2156 | return 0; | |
2157 | } | |
2158 | ||
63fbf42f CZ |
2159 | static bool amdgpu_check_soft_reset(struct amdgpu_device *adev) |
2160 | { | |
2161 | int i; | |
2162 | bool asic_hang = false; | |
2163 | ||
2164 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2165 | if (!adev->ip_blocks[i].status.valid) |
63fbf42f | 2166 | continue; |
a1255107 AD |
2167 | if (adev->ip_blocks[i].version->funcs->check_soft_reset) |
2168 | adev->ip_blocks[i].status.hang = | |
2169 | adev->ip_blocks[i].version->funcs->check_soft_reset(adev); | |
2170 | if (adev->ip_blocks[i].status.hang) { | |
2171 | DRM_INFO("IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); | |
63fbf42f CZ |
2172 | asic_hang = true; |
2173 | } | |
2174 | } | |
2175 | return asic_hang; | |
2176 | } | |
2177 | ||
4d446656 | 2178 | static int amdgpu_pre_soft_reset(struct amdgpu_device *adev) |
d31a501e CZ |
2179 | { |
2180 | int i, r = 0; | |
2181 | ||
2182 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2183 | if (!adev->ip_blocks[i].status.valid) |
d31a501e | 2184 | continue; |
a1255107 AD |
2185 | if (adev->ip_blocks[i].status.hang && |
2186 | adev->ip_blocks[i].version->funcs->pre_soft_reset) { | |
2187 | r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev); | |
d31a501e CZ |
2188 | if (r) |
2189 | return r; | |
2190 | } | |
2191 | } | |
2192 | ||
2193 | return 0; | |
2194 | } | |
2195 | ||
35d782fe CZ |
2196 | static bool amdgpu_need_full_reset(struct amdgpu_device *adev) |
2197 | { | |
da146d3b AD |
2198 | int i; |
2199 | ||
2200 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2201 | if (!adev->ip_blocks[i].status.valid) |
da146d3b | 2202 | continue; |
a1255107 AD |
2203 | if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) || |
2204 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) || | |
2205 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) || | |
2206 | (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE)) { | |
2207 | if (adev->ip_blocks[i].status.hang) { | |
da146d3b AD |
2208 | DRM_INFO("Some block need full reset!\n"); |
2209 | return true; | |
2210 | } | |
2211 | } | |
35d782fe CZ |
2212 | } |
2213 | return false; | |
2214 | } | |
2215 | ||
2216 | static int amdgpu_soft_reset(struct amdgpu_device *adev) | |
2217 | { | |
2218 | int i, r = 0; | |
2219 | ||
2220 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2221 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 2222 | continue; |
a1255107 AD |
2223 | if (adev->ip_blocks[i].status.hang && |
2224 | adev->ip_blocks[i].version->funcs->soft_reset) { | |
2225 | r = adev->ip_blocks[i].version->funcs->soft_reset(adev); | |
35d782fe CZ |
2226 | if (r) |
2227 | return r; | |
2228 | } | |
2229 | } | |
2230 | ||
2231 | return 0; | |
2232 | } | |
2233 | ||
2234 | static int amdgpu_post_soft_reset(struct amdgpu_device *adev) | |
2235 | { | |
2236 | int i, r = 0; | |
2237 | ||
2238 | for (i = 0; i < adev->num_ip_blocks; i++) { | |
a1255107 | 2239 | if (!adev->ip_blocks[i].status.valid) |
35d782fe | 2240 | continue; |
a1255107 AD |
2241 | if (adev->ip_blocks[i].status.hang && |
2242 | adev->ip_blocks[i].version->funcs->post_soft_reset) | |
2243 | r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev); | |
35d782fe CZ |
2244 | if (r) |
2245 | return r; | |
2246 | } | |
2247 | ||
2248 | return 0; | |
2249 | } | |
2250 | ||
3ad81f16 CZ |
2251 | bool amdgpu_need_backup(struct amdgpu_device *adev) |
2252 | { | |
2253 | if (adev->flags & AMD_IS_APU) | |
2254 | return false; | |
2255 | ||
2256 | return amdgpu_lockup_timeout > 0 ? true : false; | |
2257 | } | |
2258 | ||
53cdccd5 CZ |
2259 | static int amdgpu_recover_vram_from_shadow(struct amdgpu_device *adev, |
2260 | struct amdgpu_ring *ring, | |
2261 | struct amdgpu_bo *bo, | |
f54d1867 | 2262 | struct dma_fence **fence) |
53cdccd5 CZ |
2263 | { |
2264 | uint32_t domain; | |
2265 | int r; | |
2266 | ||
2267 | if (!bo->shadow) | |
2268 | return 0; | |
2269 | ||
2270 | r = amdgpu_bo_reserve(bo, false); | |
2271 | if (r) | |
2272 | return r; | |
2273 | domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); | |
2274 | /* if bo has been evicted, then no need to recover */ | |
2275 | if (domain == AMDGPU_GEM_DOMAIN_VRAM) { | |
2276 | r = amdgpu_bo_restore_from_shadow(adev, ring, bo, | |
2277 | NULL, fence, true); | |
2278 | if (r) { | |
2279 | DRM_ERROR("recover page table failed!\n"); | |
2280 | goto err; | |
2281 | } | |
2282 | } | |
2283 | err: | |
2284 | amdgpu_bo_unreserve(bo); | |
2285 | return r; | |
2286 | } | |
2287 | ||
d38ceaf9 AD |
2288 | /** |
2289 | * amdgpu_gpu_reset - reset the asic | |
2290 | * | |
2291 | * @adev: amdgpu device pointer | |
2292 | * | |
2293 | * Attempt the reset the GPU if it has hung (all asics). | |
2294 | * Returns 0 for success or an error on failure. | |
2295 | */ | |
2296 | int amdgpu_gpu_reset(struct amdgpu_device *adev) | |
2297 | { | |
d38ceaf9 AD |
2298 | int i, r; |
2299 | int resched; | |
35d782fe | 2300 | bool need_full_reset; |
d38ceaf9 | 2301 | |
fb140b29 XY |
2302 | if (amdgpu_sriov_vf(adev)) |
2303 | return 0; | |
2304 | ||
63fbf42f CZ |
2305 | if (!amdgpu_check_soft_reset(adev)) { |
2306 | DRM_INFO("No hardware hang detected. Did some blocks stall?\n"); | |
2307 | return 0; | |
2308 | } | |
d38ceaf9 | 2309 | |
d94aed5a | 2310 | atomic_inc(&adev->gpu_reset_counter); |
d38ceaf9 | 2311 | |
a3c47d6b CZ |
2312 | /* block TTM */ |
2313 | resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); | |
2314 | ||
0875dc9e CZ |
2315 | /* block scheduler */ |
2316 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { | |
2317 | struct amdgpu_ring *ring = adev->rings[i]; | |
2318 | ||
2319 | if (!ring) | |
2320 | continue; | |
2321 | kthread_park(ring->sched.thread); | |
aa1c8900 | 2322 | amd_sched_hw_job_reset(&ring->sched); |
0875dc9e | 2323 | } |
2200edac CZ |
2324 | /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ |
2325 | amdgpu_fence_driver_force_completion(adev); | |
d38ceaf9 | 2326 | |
35d782fe | 2327 | need_full_reset = amdgpu_need_full_reset(adev); |
d38ceaf9 | 2328 | |
35d782fe CZ |
2329 | if (!need_full_reset) { |
2330 | amdgpu_pre_soft_reset(adev); | |
2331 | r = amdgpu_soft_reset(adev); | |
2332 | amdgpu_post_soft_reset(adev); | |
2333 | if (r || amdgpu_check_soft_reset(adev)) { | |
2334 | DRM_INFO("soft reset failed, will fallback to full reset!\n"); | |
2335 | need_full_reset = true; | |
2336 | } | |
f1aa7e08 CZ |
2337 | } |
2338 | ||
35d782fe | 2339 | if (need_full_reset) { |
35d782fe | 2340 | r = amdgpu_suspend(adev); |
bfa99269 | 2341 | |
35d782fe CZ |
2342 | retry: |
2343 | /* Disable fb access */ | |
2344 | if (adev->mode_info.num_crtc) { | |
2345 | struct amdgpu_mode_mc_save save; | |
2346 | amdgpu_display_stop_mc_access(adev, &save); | |
2347 | amdgpu_wait_for_idle(adev, AMD_IP_BLOCK_TYPE_GMC); | |
2348 | } | |
e695e77c | 2349 | amdgpu_atombios_scratch_regs_save(adev); |
35d782fe | 2350 | r = amdgpu_asic_reset(adev); |
e695e77c | 2351 | amdgpu_atombios_scratch_regs_restore(adev); |
35d782fe CZ |
2352 | /* post card */ |
2353 | amdgpu_atom_asic_init(adev->mode_info.atom_context); | |
2354 | ||
2355 | if (!r) { | |
2356 | dev_info(adev->dev, "GPU reset succeeded, trying to resume\n"); | |
2357 | r = amdgpu_resume(adev); | |
2358 | } | |
d38ceaf9 | 2359 | } |
d38ceaf9 | 2360 | if (!r) { |
e72cfd58 | 2361 | amdgpu_irq_gpu_reset_resume_helper(adev); |
2c0d7318 CZ |
2362 | if (need_full_reset && amdgpu_need_backup(adev)) { |
2363 | r = amdgpu_ttm_recover_gart(adev); | |
2364 | if (r) | |
2365 | DRM_ERROR("gart recovery failed!!!\n"); | |
2366 | } | |
1f465087 CZ |
2367 | r = amdgpu_ib_ring_tests(adev); |
2368 | if (r) { | |
2369 | dev_err(adev->dev, "ib ring test failed (%d).\n", r); | |
40019dc4 | 2370 | r = amdgpu_suspend(adev); |
53cdccd5 | 2371 | need_full_reset = true; |
40019dc4 | 2372 | goto retry; |
1f465087 | 2373 | } |
53cdccd5 CZ |
2374 | /** |
2375 | * recovery vm page tables, since we cannot depend on VRAM is | |
2376 | * consistent after gpu full reset. | |
2377 | */ | |
2378 | if (need_full_reset && amdgpu_need_backup(adev)) { | |
2379 | struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; | |
2380 | struct amdgpu_bo *bo, *tmp; | |
f54d1867 | 2381 | struct dma_fence *fence = NULL, *next = NULL; |
53cdccd5 CZ |
2382 | |
2383 | DRM_INFO("recover vram bo from shadow\n"); | |
2384 | mutex_lock(&adev->shadow_list_lock); | |
2385 | list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) { | |
2386 | amdgpu_recover_vram_from_shadow(adev, ring, bo, &next); | |
2387 | if (fence) { | |
f54d1867 | 2388 | r = dma_fence_wait(fence, false); |
53cdccd5 CZ |
2389 | if (r) { |
2390 | WARN(r, "recovery from shadow isn't comleted\n"); | |
2391 | break; | |
2392 | } | |
2393 | } | |
1f465087 | 2394 | |
f54d1867 | 2395 | dma_fence_put(fence); |
53cdccd5 CZ |
2396 | fence = next; |
2397 | } | |
2398 | mutex_unlock(&adev->shadow_list_lock); | |
2399 | if (fence) { | |
f54d1867 | 2400 | r = dma_fence_wait(fence, false); |
53cdccd5 CZ |
2401 | if (r) |
2402 | WARN(r, "recovery from shadow isn't comleted\n"); | |
2403 | } | |
f54d1867 | 2404 | dma_fence_put(fence); |
53cdccd5 | 2405 | } |
d38ceaf9 AD |
2406 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
2407 | struct amdgpu_ring *ring = adev->rings[i]; | |
2408 | if (!ring) | |
2409 | continue; | |
53cdccd5 | 2410 | |
aa1c8900 | 2411 | amd_sched_job_recovery(&ring->sched); |
0875dc9e | 2412 | kthread_unpark(ring->sched.thread); |
d38ceaf9 | 2413 | } |
d38ceaf9 | 2414 | } else { |
2200edac | 2415 | dev_err(adev->dev, "asic resume failed (%d).\n", r); |
d38ceaf9 | 2416 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
0875dc9e CZ |
2417 | if (adev->rings[i]) { |
2418 | kthread_unpark(adev->rings[i]->sched.thread); | |
0875dc9e | 2419 | } |
d38ceaf9 AD |
2420 | } |
2421 | } | |
2422 | ||
2423 | drm_helper_resume_force_mode(adev->ddev); | |
2424 | ||
2425 | ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); | |
2426 | if (r) { | |
2427 | /* bad news, how to tell it to userspace ? */ | |
2428 | dev_info(adev->dev, "GPU reset failed\n"); | |
2429 | } | |
2430 | ||
d38ceaf9 AD |
2431 | return r; |
2432 | } | |
2433 | ||
d0dd7f0c AD |
2434 | void amdgpu_get_pcie_info(struct amdgpu_device *adev) |
2435 | { | |
2436 | u32 mask; | |
2437 | int ret; | |
2438 | ||
cd474ba0 AD |
2439 | if (amdgpu_pcie_gen_cap) |
2440 | adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; | |
d0dd7f0c | 2441 | |
cd474ba0 AD |
2442 | if (amdgpu_pcie_lane_cap) |
2443 | adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap; | |
d0dd7f0c | 2444 | |
cd474ba0 AD |
2445 | /* covers APUs as well */ |
2446 | if (pci_is_root_bus(adev->pdev->bus)) { | |
2447 | if (adev->pm.pcie_gen_mask == 0) | |
2448 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
2449 | if (adev->pm.pcie_mlw_mask == 0) | |
2450 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c | 2451 | return; |
cd474ba0 | 2452 | } |
d0dd7f0c | 2453 | |
cd474ba0 AD |
2454 | if (adev->pm.pcie_gen_mask == 0) { |
2455 | ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); | |
2456 | if (!ret) { | |
2457 | adev->pm.pcie_gen_mask = (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | | |
2458 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | | |
2459 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); | |
2460 | ||
2461 | if (mask & DRM_PCIE_SPEED_25) | |
2462 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; | |
2463 | if (mask & DRM_PCIE_SPEED_50) | |
2464 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2; | |
2465 | if (mask & DRM_PCIE_SPEED_80) | |
2466 | adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3; | |
2467 | } else { | |
2468 | adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; | |
2469 | } | |
2470 | } | |
2471 | if (adev->pm.pcie_mlw_mask == 0) { | |
2472 | ret = drm_pcie_get_max_link_width(adev->ddev, &mask); | |
2473 | if (!ret) { | |
2474 | switch (mask) { | |
2475 | case 32: | |
2476 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | | |
2477 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
2478 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
2479 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2480 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2481 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2482 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2483 | break; | |
2484 | case 16: | |
2485 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | | |
2486 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
2487 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2488 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2489 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2490 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2491 | break; | |
2492 | case 12: | |
2493 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | | |
2494 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2495 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2496 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2497 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2498 | break; | |
2499 | case 8: | |
2500 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | | |
2501 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2502 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2503 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2504 | break; | |
2505 | case 4: | |
2506 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | | |
2507 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2508 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2509 | break; | |
2510 | case 2: | |
2511 | adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | | |
2512 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); | |
2513 | break; | |
2514 | case 1: | |
2515 | adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; | |
2516 | break; | |
2517 | default: | |
2518 | break; | |
2519 | } | |
2520 | } else { | |
2521 | adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; | |
d0dd7f0c AD |
2522 | } |
2523 | } | |
2524 | } | |
d38ceaf9 AD |
2525 | |
2526 | /* | |
2527 | * Debugfs | |
2528 | */ | |
2529 | int amdgpu_debugfs_add_files(struct amdgpu_device *adev, | |
06ab6832 | 2530 | const struct drm_info_list *files, |
d38ceaf9 AD |
2531 | unsigned nfiles) |
2532 | { | |
2533 | unsigned i; | |
2534 | ||
2535 | for (i = 0; i < adev->debugfs_count; i++) { | |
2536 | if (adev->debugfs[i].files == files) { | |
2537 | /* Already registered */ | |
2538 | return 0; | |
2539 | } | |
2540 | } | |
2541 | ||
2542 | i = adev->debugfs_count + 1; | |
2543 | if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) { | |
2544 | DRM_ERROR("Reached maximum number of debugfs components.\n"); | |
2545 | DRM_ERROR("Report so we increase " | |
2546 | "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n"); | |
2547 | return -EINVAL; | |
2548 | } | |
2549 | adev->debugfs[adev->debugfs_count].files = files; | |
2550 | adev->debugfs[adev->debugfs_count].num_files = nfiles; | |
2551 | adev->debugfs_count = i; | |
2552 | #if defined(CONFIG_DEBUG_FS) | |
d38ceaf9 AD |
2553 | drm_debugfs_create_files(files, nfiles, |
2554 | adev->ddev->primary->debugfs_root, | |
2555 | adev->ddev->primary); | |
2556 | #endif | |
2557 | return 0; | |
2558 | } | |
2559 | ||
d38ceaf9 AD |
2560 | #if defined(CONFIG_DEBUG_FS) |
2561 | ||
2562 | static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, | |
2563 | size_t size, loff_t *pos) | |
2564 | { | |
45063097 | 2565 | struct amdgpu_device *adev = file_inode(f)->i_private; |
d38ceaf9 AD |
2566 | ssize_t result = 0; |
2567 | int r; | |
bd12267d | 2568 | bool pm_pg_lock, use_bank; |
56628159 | 2569 | unsigned instance_bank, sh_bank, se_bank; |
d38ceaf9 AD |
2570 | |
2571 | if (size & 0x3 || *pos & 0x3) | |
2572 | return -EINVAL; | |
2573 | ||
bd12267d TSD |
2574 | /* are we reading registers for which a PG lock is necessary? */ |
2575 | pm_pg_lock = (*pos >> 23) & 1; | |
2576 | ||
56628159 TSD |
2577 | if (*pos & (1ULL << 62)) { |
2578 | se_bank = (*pos >> 24) & 0x3FF; | |
2579 | sh_bank = (*pos >> 34) & 0x3FF; | |
2580 | instance_bank = (*pos >> 44) & 0x3FF; | |
32977f93 TSD |
2581 | |
2582 | if (se_bank == 0x3FF) | |
2583 | se_bank = 0xFFFFFFFF; | |
2584 | if (sh_bank == 0x3FF) | |
2585 | sh_bank = 0xFFFFFFFF; | |
2586 | if (instance_bank == 0x3FF) | |
2587 | instance_bank = 0xFFFFFFFF; | |
56628159 | 2588 | use_bank = 1; |
56628159 TSD |
2589 | } else { |
2590 | use_bank = 0; | |
2591 | } | |
2592 | ||
801a6aa9 | 2593 | *pos &= (1UL << 22) - 1; |
bd12267d | 2594 | |
56628159 | 2595 | if (use_bank) { |
32977f93 TSD |
2596 | if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || |
2597 | (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) | |
56628159 TSD |
2598 | return -EINVAL; |
2599 | mutex_lock(&adev->grbm_idx_mutex); | |
2600 | amdgpu_gfx_select_se_sh(adev, se_bank, | |
2601 | sh_bank, instance_bank); | |
2602 | } | |
2603 | ||
bd12267d TSD |
2604 | if (pm_pg_lock) |
2605 | mutex_lock(&adev->pm.mutex); | |
2606 | ||
d38ceaf9 AD |
2607 | while (size) { |
2608 | uint32_t value; | |
2609 | ||
2610 | if (*pos > adev->rmmio_size) | |
56628159 | 2611 | goto end; |
d38ceaf9 AD |
2612 | |
2613 | value = RREG32(*pos >> 2); | |
2614 | r = put_user(value, (uint32_t *)buf); | |
56628159 TSD |
2615 | if (r) { |
2616 | result = r; | |
2617 | goto end; | |
2618 | } | |
d38ceaf9 AD |
2619 | |
2620 | result += 4; | |
2621 | buf += 4; | |
2622 | *pos += 4; | |
2623 | size -= 4; | |
2624 | } | |
2625 | ||
56628159 TSD |
2626 | end: |
2627 | if (use_bank) { | |
2628 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); | |
2629 | mutex_unlock(&adev->grbm_idx_mutex); | |
2630 | } | |
2631 | ||
bd12267d TSD |
2632 | if (pm_pg_lock) |
2633 | mutex_unlock(&adev->pm.mutex); | |
2634 | ||
d38ceaf9 AD |
2635 | return result; |
2636 | } | |
2637 | ||
2638 | static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, | |
2639 | size_t size, loff_t *pos) | |
2640 | { | |
45063097 | 2641 | struct amdgpu_device *adev = file_inode(f)->i_private; |
d38ceaf9 AD |
2642 | ssize_t result = 0; |
2643 | int r; | |
394fdde2 TSD |
2644 | bool pm_pg_lock, use_bank; |
2645 | unsigned instance_bank, sh_bank, se_bank; | |
d38ceaf9 AD |
2646 | |
2647 | if (size & 0x3 || *pos & 0x3) | |
2648 | return -EINVAL; | |
2649 | ||
394fdde2 TSD |
2650 | /* are we reading registers for which a PG lock is necessary? */ |
2651 | pm_pg_lock = (*pos >> 23) & 1; | |
2652 | ||
2653 | if (*pos & (1ULL << 62)) { | |
2654 | se_bank = (*pos >> 24) & 0x3FF; | |
2655 | sh_bank = (*pos >> 34) & 0x3FF; | |
2656 | instance_bank = (*pos >> 44) & 0x3FF; | |
2657 | ||
2658 | if (se_bank == 0x3FF) | |
2659 | se_bank = 0xFFFFFFFF; | |
2660 | if (sh_bank == 0x3FF) | |
2661 | sh_bank = 0xFFFFFFFF; | |
2662 | if (instance_bank == 0x3FF) | |
2663 | instance_bank = 0xFFFFFFFF; | |
2664 | use_bank = 1; | |
2665 | } else { | |
2666 | use_bank = 0; | |
2667 | } | |
2668 | ||
801a6aa9 | 2669 | *pos &= (1UL << 22) - 1; |
394fdde2 TSD |
2670 | |
2671 | if (use_bank) { | |
2672 | if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || | |
2673 | (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) | |
2674 | return -EINVAL; | |
2675 | mutex_lock(&adev->grbm_idx_mutex); | |
2676 | amdgpu_gfx_select_se_sh(adev, se_bank, | |
2677 | sh_bank, instance_bank); | |
2678 | } | |
2679 | ||
2680 | if (pm_pg_lock) | |
2681 | mutex_lock(&adev->pm.mutex); | |
2682 | ||
d38ceaf9 AD |
2683 | while (size) { |
2684 | uint32_t value; | |
2685 | ||
2686 | if (*pos > adev->rmmio_size) | |
2687 | return result; | |
2688 | ||
2689 | r = get_user(value, (uint32_t *)buf); | |
2690 | if (r) | |
2691 | return r; | |
2692 | ||
2693 | WREG32(*pos >> 2, value); | |
2694 | ||
2695 | result += 4; | |
2696 | buf += 4; | |
2697 | *pos += 4; | |
2698 | size -= 4; | |
2699 | } | |
2700 | ||
394fdde2 TSD |
2701 | if (use_bank) { |
2702 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); | |
2703 | mutex_unlock(&adev->grbm_idx_mutex); | |
2704 | } | |
2705 | ||
2706 | if (pm_pg_lock) | |
2707 | mutex_unlock(&adev->pm.mutex); | |
2708 | ||
d38ceaf9 AD |
2709 | return result; |
2710 | } | |
2711 | ||
adcec288 TSD |
2712 | static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, |
2713 | size_t size, loff_t *pos) | |
2714 | { | |
45063097 | 2715 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
2716 | ssize_t result = 0; |
2717 | int r; | |
2718 | ||
2719 | if (size & 0x3 || *pos & 0x3) | |
2720 | return -EINVAL; | |
2721 | ||
2722 | while (size) { | |
2723 | uint32_t value; | |
2724 | ||
2725 | value = RREG32_PCIE(*pos >> 2); | |
2726 | r = put_user(value, (uint32_t *)buf); | |
2727 | if (r) | |
2728 | return r; | |
2729 | ||
2730 | result += 4; | |
2731 | buf += 4; | |
2732 | *pos += 4; | |
2733 | size -= 4; | |
2734 | } | |
2735 | ||
2736 | return result; | |
2737 | } | |
2738 | ||
2739 | static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf, | |
2740 | size_t size, loff_t *pos) | |
2741 | { | |
45063097 | 2742 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
2743 | ssize_t result = 0; |
2744 | int r; | |
2745 | ||
2746 | if (size & 0x3 || *pos & 0x3) | |
2747 | return -EINVAL; | |
2748 | ||
2749 | while (size) { | |
2750 | uint32_t value; | |
2751 | ||
2752 | r = get_user(value, (uint32_t *)buf); | |
2753 | if (r) | |
2754 | return r; | |
2755 | ||
2756 | WREG32_PCIE(*pos >> 2, value); | |
2757 | ||
2758 | result += 4; | |
2759 | buf += 4; | |
2760 | *pos += 4; | |
2761 | size -= 4; | |
2762 | } | |
2763 | ||
2764 | return result; | |
2765 | } | |
2766 | ||
2767 | static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, | |
2768 | size_t size, loff_t *pos) | |
2769 | { | |
45063097 | 2770 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
2771 | ssize_t result = 0; |
2772 | int r; | |
2773 | ||
2774 | if (size & 0x3 || *pos & 0x3) | |
2775 | return -EINVAL; | |
2776 | ||
2777 | while (size) { | |
2778 | uint32_t value; | |
2779 | ||
2780 | value = RREG32_DIDT(*pos >> 2); | |
2781 | r = put_user(value, (uint32_t *)buf); | |
2782 | if (r) | |
2783 | return r; | |
2784 | ||
2785 | result += 4; | |
2786 | buf += 4; | |
2787 | *pos += 4; | |
2788 | size -= 4; | |
2789 | } | |
2790 | ||
2791 | return result; | |
2792 | } | |
2793 | ||
2794 | static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf, | |
2795 | size_t size, loff_t *pos) | |
2796 | { | |
45063097 | 2797 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
2798 | ssize_t result = 0; |
2799 | int r; | |
2800 | ||
2801 | if (size & 0x3 || *pos & 0x3) | |
2802 | return -EINVAL; | |
2803 | ||
2804 | while (size) { | |
2805 | uint32_t value; | |
2806 | ||
2807 | r = get_user(value, (uint32_t *)buf); | |
2808 | if (r) | |
2809 | return r; | |
2810 | ||
2811 | WREG32_DIDT(*pos >> 2, value); | |
2812 | ||
2813 | result += 4; | |
2814 | buf += 4; | |
2815 | *pos += 4; | |
2816 | size -= 4; | |
2817 | } | |
2818 | ||
2819 | return result; | |
2820 | } | |
2821 | ||
2822 | static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, | |
2823 | size_t size, loff_t *pos) | |
2824 | { | |
45063097 | 2825 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
2826 | ssize_t result = 0; |
2827 | int r; | |
2828 | ||
2829 | if (size & 0x3 || *pos & 0x3) | |
2830 | return -EINVAL; | |
2831 | ||
2832 | while (size) { | |
2833 | uint32_t value; | |
2834 | ||
6fc0deaf | 2835 | value = RREG32_SMC(*pos); |
adcec288 TSD |
2836 | r = put_user(value, (uint32_t *)buf); |
2837 | if (r) | |
2838 | return r; | |
2839 | ||
2840 | result += 4; | |
2841 | buf += 4; | |
2842 | *pos += 4; | |
2843 | size -= 4; | |
2844 | } | |
2845 | ||
2846 | return result; | |
2847 | } | |
2848 | ||
2849 | static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf, | |
2850 | size_t size, loff_t *pos) | |
2851 | { | |
45063097 | 2852 | struct amdgpu_device *adev = file_inode(f)->i_private; |
adcec288 TSD |
2853 | ssize_t result = 0; |
2854 | int r; | |
2855 | ||
2856 | if (size & 0x3 || *pos & 0x3) | |
2857 | return -EINVAL; | |
2858 | ||
2859 | while (size) { | |
2860 | uint32_t value; | |
2861 | ||
2862 | r = get_user(value, (uint32_t *)buf); | |
2863 | if (r) | |
2864 | return r; | |
2865 | ||
6fc0deaf | 2866 | WREG32_SMC(*pos, value); |
adcec288 TSD |
2867 | |
2868 | result += 4; | |
2869 | buf += 4; | |
2870 | *pos += 4; | |
2871 | size -= 4; | |
2872 | } | |
2873 | ||
2874 | return result; | |
2875 | } | |
2876 | ||
1e051413 TSD |
2877 | static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, |
2878 | size_t size, loff_t *pos) | |
2879 | { | |
45063097 | 2880 | struct amdgpu_device *adev = file_inode(f)->i_private; |
1e051413 TSD |
2881 | ssize_t result = 0; |
2882 | int r; | |
2883 | uint32_t *config, no_regs = 0; | |
2884 | ||
2885 | if (size & 0x3 || *pos & 0x3) | |
2886 | return -EINVAL; | |
2887 | ||
ecab7668 | 2888 | config = kmalloc_array(256, sizeof(*config), GFP_KERNEL); |
1e051413 TSD |
2889 | if (!config) |
2890 | return -ENOMEM; | |
2891 | ||
2892 | /* version, increment each time something is added */ | |
9a999359 | 2893 | config[no_regs++] = 3; |
1e051413 TSD |
2894 | config[no_regs++] = adev->gfx.config.max_shader_engines; |
2895 | config[no_regs++] = adev->gfx.config.max_tile_pipes; | |
2896 | config[no_regs++] = adev->gfx.config.max_cu_per_sh; | |
2897 | config[no_regs++] = adev->gfx.config.max_sh_per_se; | |
2898 | config[no_regs++] = adev->gfx.config.max_backends_per_se; | |
2899 | config[no_regs++] = adev->gfx.config.max_texture_channel_caches; | |
2900 | config[no_regs++] = adev->gfx.config.max_gprs; | |
2901 | config[no_regs++] = adev->gfx.config.max_gs_threads; | |
2902 | config[no_regs++] = adev->gfx.config.max_hw_contexts; | |
2903 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend; | |
2904 | config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend; | |
2905 | config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size; | |
2906 | config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size; | |
2907 | config[no_regs++] = adev->gfx.config.num_tile_pipes; | |
2908 | config[no_regs++] = adev->gfx.config.backend_enable_mask; | |
2909 | config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes; | |
2910 | config[no_regs++] = adev->gfx.config.mem_row_size_in_kb; | |
2911 | config[no_regs++] = adev->gfx.config.shader_engine_tile_size; | |
2912 | config[no_regs++] = adev->gfx.config.num_gpus; | |
2913 | config[no_regs++] = adev->gfx.config.multi_gpu_tile_size; | |
2914 | config[no_regs++] = adev->gfx.config.mc_arb_ramcfg; | |
2915 | config[no_regs++] = adev->gfx.config.gb_addr_config; | |
2916 | config[no_regs++] = adev->gfx.config.num_rbs; | |
2917 | ||
89a8f309 TSD |
2918 | /* rev==1 */ |
2919 | config[no_regs++] = adev->rev_id; | |
2920 | config[no_regs++] = adev->pg_flags; | |
2921 | config[no_regs++] = adev->cg_flags; | |
2922 | ||
e9f11dc8 TSD |
2923 | /* rev==2 */ |
2924 | config[no_regs++] = adev->family; | |
2925 | config[no_regs++] = adev->external_rev_id; | |
2926 | ||
9a999359 TSD |
2927 | /* rev==3 */ |
2928 | config[no_regs++] = adev->pdev->device; | |
2929 | config[no_regs++] = adev->pdev->revision; | |
2930 | config[no_regs++] = adev->pdev->subsystem_device; | |
2931 | config[no_regs++] = adev->pdev->subsystem_vendor; | |
2932 | ||
1e051413 TSD |
2933 | while (size && (*pos < no_regs * 4)) { |
2934 | uint32_t value; | |
2935 | ||
2936 | value = config[*pos >> 2]; | |
2937 | r = put_user(value, (uint32_t *)buf); | |
2938 | if (r) { | |
2939 | kfree(config); | |
2940 | return r; | |
2941 | } | |
2942 | ||
2943 | result += 4; | |
2944 | buf += 4; | |
2945 | *pos += 4; | |
2946 | size -= 4; | |
2947 | } | |
2948 | ||
2949 | kfree(config); | |
2950 | return result; | |
2951 | } | |
2952 | ||
f2cdaf20 TSD |
2953 | static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, |
2954 | size_t size, loff_t *pos) | |
2955 | { | |
45063097 | 2956 | struct amdgpu_device *adev = file_inode(f)->i_private; |
f2cdaf20 TSD |
2957 | int idx, r; |
2958 | int32_t value; | |
2959 | ||
2960 | if (size != 4 || *pos & 0x3) | |
2961 | return -EINVAL; | |
2962 | ||
2963 | /* convert offset to sensor number */ | |
2964 | idx = *pos >> 2; | |
2965 | ||
2966 | if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) | |
2967 | r = adev->powerplay.pp_funcs->read_sensor(adev->powerplay.pp_handle, idx, &value); | |
2968 | else | |
2969 | return -EINVAL; | |
2970 | ||
2971 | if (!r) | |
2972 | r = put_user(value, (int32_t *)buf); | |
2973 | ||
2974 | return !r ? 4 : r; | |
2975 | } | |
1e051413 | 2976 | |
273d7aa1 TSD |
2977 | static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, |
2978 | size_t size, loff_t *pos) | |
2979 | { | |
2980 | struct amdgpu_device *adev = f->f_inode->i_private; | |
2981 | int r, x; | |
2982 | ssize_t result=0; | |
472259f0 | 2983 | uint32_t offset, se, sh, cu, wave, simd, data[32]; |
273d7aa1 TSD |
2984 | |
2985 | if (size & 3 || *pos & 3) | |
2986 | return -EINVAL; | |
2987 | ||
2988 | /* decode offset */ | |
2989 | offset = (*pos & 0x7F); | |
2990 | se = ((*pos >> 7) & 0xFF); | |
2991 | sh = ((*pos >> 15) & 0xFF); | |
2992 | cu = ((*pos >> 23) & 0xFF); | |
2993 | wave = ((*pos >> 31) & 0xFF); | |
2994 | simd = ((*pos >> 37) & 0xFF); | |
273d7aa1 TSD |
2995 | |
2996 | /* switch to the specific se/sh/cu */ | |
2997 | mutex_lock(&adev->grbm_idx_mutex); | |
2998 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); | |
2999 | ||
3000 | x = 0; | |
472259f0 TSD |
3001 | if (adev->gfx.funcs->read_wave_data) |
3002 | adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x); | |
273d7aa1 TSD |
3003 | |
3004 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); | |
3005 | mutex_unlock(&adev->grbm_idx_mutex); | |
3006 | ||
5ecfb3b8 TSD |
3007 | if (!x) |
3008 | return -EINVAL; | |
3009 | ||
472259f0 | 3010 | while (size && (offset < x * 4)) { |
273d7aa1 TSD |
3011 | uint32_t value; |
3012 | ||
472259f0 | 3013 | value = data[offset >> 2]; |
273d7aa1 TSD |
3014 | r = put_user(value, (uint32_t *)buf); |
3015 | if (r) | |
3016 | return r; | |
3017 | ||
3018 | result += 4; | |
3019 | buf += 4; | |
472259f0 | 3020 | offset += 4; |
273d7aa1 TSD |
3021 | size -= 4; |
3022 | } | |
3023 | ||
3024 | return result; | |
3025 | } | |
3026 | ||
c5a60ce8 TSD |
3027 | static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, |
3028 | size_t size, loff_t *pos) | |
3029 | { | |
3030 | struct amdgpu_device *adev = f->f_inode->i_private; | |
3031 | int r; | |
3032 | ssize_t result = 0; | |
3033 | uint32_t offset, se, sh, cu, wave, simd, thread, bank, *data; | |
3034 | ||
3035 | if (size & 3 || *pos & 3) | |
3036 | return -EINVAL; | |
3037 | ||
3038 | /* decode offset */ | |
3039 | offset = (*pos & 0xFFF); /* in dwords */ | |
3040 | se = ((*pos >> 12) & 0xFF); | |
3041 | sh = ((*pos >> 20) & 0xFF); | |
3042 | cu = ((*pos >> 28) & 0xFF); | |
3043 | wave = ((*pos >> 36) & 0xFF); | |
3044 | simd = ((*pos >> 44) & 0xFF); | |
3045 | thread = ((*pos >> 52) & 0xFF); | |
3046 | bank = ((*pos >> 60) & 1); | |
3047 | ||
3048 | data = kmalloc_array(1024, sizeof(*data), GFP_KERNEL); | |
3049 | if (!data) | |
3050 | return -ENOMEM; | |
3051 | ||
3052 | /* switch to the specific se/sh/cu */ | |
3053 | mutex_lock(&adev->grbm_idx_mutex); | |
3054 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); | |
3055 | ||
3056 | if (bank == 0) { | |
3057 | if (adev->gfx.funcs->read_wave_vgprs) | |
3058 | adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data); | |
3059 | } else { | |
3060 | if (adev->gfx.funcs->read_wave_sgprs) | |
3061 | adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data); | |
3062 | } | |
3063 | ||
3064 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); | |
3065 | mutex_unlock(&adev->grbm_idx_mutex); | |
3066 | ||
3067 | while (size) { | |
3068 | uint32_t value; | |
3069 | ||
3070 | value = data[offset++]; | |
3071 | r = put_user(value, (uint32_t *)buf); | |
3072 | if (r) { | |
3073 | result = r; | |
3074 | goto err; | |
3075 | } | |
3076 | ||
3077 | result += 4; | |
3078 | buf += 4; | |
3079 | size -= 4; | |
3080 | } | |
3081 | ||
3082 | err: | |
3083 | kfree(data); | |
3084 | return result; | |
3085 | } | |
3086 | ||
d38ceaf9 AD |
3087 | static const struct file_operations amdgpu_debugfs_regs_fops = { |
3088 | .owner = THIS_MODULE, | |
3089 | .read = amdgpu_debugfs_regs_read, | |
3090 | .write = amdgpu_debugfs_regs_write, | |
3091 | .llseek = default_llseek | |
3092 | }; | |
adcec288 TSD |
3093 | static const struct file_operations amdgpu_debugfs_regs_didt_fops = { |
3094 | .owner = THIS_MODULE, | |
3095 | .read = amdgpu_debugfs_regs_didt_read, | |
3096 | .write = amdgpu_debugfs_regs_didt_write, | |
3097 | .llseek = default_llseek | |
3098 | }; | |
3099 | static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { | |
3100 | .owner = THIS_MODULE, | |
3101 | .read = amdgpu_debugfs_regs_pcie_read, | |
3102 | .write = amdgpu_debugfs_regs_pcie_write, | |
3103 | .llseek = default_llseek | |
3104 | }; | |
3105 | static const struct file_operations amdgpu_debugfs_regs_smc_fops = { | |
3106 | .owner = THIS_MODULE, | |
3107 | .read = amdgpu_debugfs_regs_smc_read, | |
3108 | .write = amdgpu_debugfs_regs_smc_write, | |
3109 | .llseek = default_llseek | |
3110 | }; | |
3111 | ||
1e051413 TSD |
3112 | static const struct file_operations amdgpu_debugfs_gca_config_fops = { |
3113 | .owner = THIS_MODULE, | |
3114 | .read = amdgpu_debugfs_gca_config_read, | |
3115 | .llseek = default_llseek | |
3116 | }; | |
3117 | ||
f2cdaf20 TSD |
3118 | static const struct file_operations amdgpu_debugfs_sensors_fops = { |
3119 | .owner = THIS_MODULE, | |
3120 | .read = amdgpu_debugfs_sensor_read, | |
3121 | .llseek = default_llseek | |
3122 | }; | |
3123 | ||
273d7aa1 TSD |
3124 | static const struct file_operations amdgpu_debugfs_wave_fops = { |
3125 | .owner = THIS_MODULE, | |
3126 | .read = amdgpu_debugfs_wave_read, | |
3127 | .llseek = default_llseek | |
3128 | }; | |
c5a60ce8 TSD |
3129 | static const struct file_operations amdgpu_debugfs_gpr_fops = { |
3130 | .owner = THIS_MODULE, | |
3131 | .read = amdgpu_debugfs_gpr_read, | |
3132 | .llseek = default_llseek | |
3133 | }; | |
273d7aa1 | 3134 | |
adcec288 TSD |
3135 | static const struct file_operations *debugfs_regs[] = { |
3136 | &amdgpu_debugfs_regs_fops, | |
3137 | &amdgpu_debugfs_regs_didt_fops, | |
3138 | &amdgpu_debugfs_regs_pcie_fops, | |
3139 | &amdgpu_debugfs_regs_smc_fops, | |
1e051413 | 3140 | &amdgpu_debugfs_gca_config_fops, |
f2cdaf20 | 3141 | &amdgpu_debugfs_sensors_fops, |
273d7aa1 | 3142 | &amdgpu_debugfs_wave_fops, |
c5a60ce8 | 3143 | &amdgpu_debugfs_gpr_fops, |
adcec288 TSD |
3144 | }; |
3145 | ||
3146 | static const char *debugfs_regs_names[] = { | |
3147 | "amdgpu_regs", | |
3148 | "amdgpu_regs_didt", | |
3149 | "amdgpu_regs_pcie", | |
3150 | "amdgpu_regs_smc", | |
1e051413 | 3151 | "amdgpu_gca_config", |
f2cdaf20 | 3152 | "amdgpu_sensors", |
273d7aa1 | 3153 | "amdgpu_wave", |
c5a60ce8 | 3154 | "amdgpu_gpr", |
adcec288 | 3155 | }; |
d38ceaf9 AD |
3156 | |
3157 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) | |
3158 | { | |
3159 | struct drm_minor *minor = adev->ddev->primary; | |
3160 | struct dentry *ent, *root = minor->debugfs_root; | |
adcec288 TSD |
3161 | unsigned i, j; |
3162 | ||
3163 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
3164 | ent = debugfs_create_file(debugfs_regs_names[i], | |
3165 | S_IFREG | S_IRUGO, root, | |
3166 | adev, debugfs_regs[i]); | |
3167 | if (IS_ERR(ent)) { | |
3168 | for (j = 0; j < i; j++) { | |
3169 | debugfs_remove(adev->debugfs_regs[i]); | |
3170 | adev->debugfs_regs[i] = NULL; | |
3171 | } | |
3172 | return PTR_ERR(ent); | |
3173 | } | |
d38ceaf9 | 3174 | |
adcec288 TSD |
3175 | if (!i) |
3176 | i_size_write(ent->d_inode, adev->rmmio_size); | |
3177 | adev->debugfs_regs[i] = ent; | |
3178 | } | |
d38ceaf9 AD |
3179 | |
3180 | return 0; | |
3181 | } | |
3182 | ||
3183 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) | |
3184 | { | |
adcec288 TSD |
3185 | unsigned i; |
3186 | ||
3187 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { | |
3188 | if (adev->debugfs_regs[i]) { | |
3189 | debugfs_remove(adev->debugfs_regs[i]); | |
3190 | adev->debugfs_regs[i] = NULL; | |
3191 | } | |
3192 | } | |
d38ceaf9 AD |
3193 | } |
3194 | ||
3195 | int amdgpu_debugfs_init(struct drm_minor *minor) | |
3196 | { | |
3197 | return 0; | |
3198 | } | |
7cebc728 AK |
3199 | #else |
3200 | static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) | |
3201 | { | |
3202 | return 0; | |
3203 | } | |
3204 | static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } | |
d38ceaf9 | 3205 | #endif |