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1/*
2 * Copyright 2016 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
23 * of the Software.
24 *
25 */
26
27#include <linux/firmware.h>
28#include <linux/module.h>
29#include <drm/drmP.h>
30#include <drm/drm.h>
31
32#include "amdgpu.h"
33#include "amdgpu_pm.h"
34#include "amdgpu_vcn.h"
35#include "soc15d.h"
36#include "soc15_common.h"
37
38#include "vcn/vcn_1_0_offset.h"
39
40/* 1 second timeout */
41#define VCN_IDLE_TIMEOUT msecs_to_jiffies(1000)
42
43/* Firmware Names */
44#define FIRMWARE_RAVEN "amdgpu/raven_vcn.bin"
45
46MODULE_FIRMWARE(FIRMWARE_RAVEN);
47
48static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
49
50int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
51{
52 struct amdgpu_ring *ring;
53 struct drm_sched_rq *rq;
54 unsigned long bo_size;
55 const char *fw_name;
56 const struct common_firmware_header *hdr;
57 unsigned version_major, version_minor, family_id;
58 int r;
59
60 INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
61
62 switch (adev->asic_type) {
63 case CHIP_RAVEN:
64 fw_name = FIRMWARE_RAVEN;
65 break;
66 default:
67 return -EINVAL;
68 }
69
70 r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
71 if (r) {
72 dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
73 fw_name);
74 return r;
75 }
76
77 r = amdgpu_ucode_validate(adev->vcn.fw);
78 if (r) {
79 dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
80 fw_name);
81 release_firmware(adev->vcn.fw);
82 adev->vcn.fw = NULL;
83 return r;
84 }
85
86 hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
87 family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
88 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
89 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
90 DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
91 version_major, version_minor, family_id);
92
93
94 bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
95 + AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE
96 + AMDGPU_VCN_SESSION_SIZE * 40;
97 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
98 AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.vcpu_bo,
99 &adev->vcn.gpu_addr, &adev->vcn.cpu_addr);
100 if (r) {
101 dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
102 return r;
103 }
104
105 ring = &adev->vcn.ring_dec;
106 rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
107 r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_dec,
108 rq, amdgpu_sched_jobs, NULL);
109 if (r != 0) {
110 DRM_ERROR("Failed setting up VCN dec run queue.\n");
111 return r;
112 }
113
114 ring = &adev->vcn.ring_enc[0];
115 rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
116 r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_enc,
117 rq, amdgpu_sched_jobs, NULL);
118 if (r != 0) {
119 DRM_ERROR("Failed setting up VCN enc run queue.\n");
120 return r;
121 }
122
123 return 0;
124}
125
126int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
127{
128 int i;
129
130 kfree(adev->vcn.saved_bo);
131
132 drm_sched_entity_fini(&adev->vcn.ring_dec.sched, &adev->vcn.entity_dec);
133
134 drm_sched_entity_fini(&adev->vcn.ring_enc[0].sched, &adev->vcn.entity_enc);
135
136 amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo,
137 &adev->vcn.gpu_addr,
138 (void **)&adev->vcn.cpu_addr);
139
140 amdgpu_ring_fini(&adev->vcn.ring_dec);
141
142 for (i = 0; i < adev->vcn.num_enc_rings; ++i)
143 amdgpu_ring_fini(&adev->vcn.ring_enc[i]);
144
145 release_firmware(adev->vcn.fw);
146
147 return 0;
148}
149
150int amdgpu_vcn_suspend(struct amdgpu_device *adev)
151{
152 unsigned size;
153 void *ptr;
154
155 if (adev->vcn.vcpu_bo == NULL)
156 return 0;
157
158 cancel_delayed_work_sync(&adev->vcn.idle_work);
159
160 size = amdgpu_bo_size(adev->vcn.vcpu_bo);
161 ptr = adev->vcn.cpu_addr;
162
163 adev->vcn.saved_bo = kmalloc(size, GFP_KERNEL);
164 if (!adev->vcn.saved_bo)
165 return -ENOMEM;
166
167 memcpy_fromio(adev->vcn.saved_bo, ptr, size);
168
169 return 0;
170}
171
172int amdgpu_vcn_resume(struct amdgpu_device *adev)
173{
174 unsigned size;
175 void *ptr;
176
177 if (adev->vcn.vcpu_bo == NULL)
178 return -EINVAL;
179
180 size = amdgpu_bo_size(adev->vcn.vcpu_bo);
181 ptr = adev->vcn.cpu_addr;
182
183 if (adev->vcn.saved_bo != NULL) {
184 memcpy_toio(ptr, adev->vcn.saved_bo, size);
185 kfree(adev->vcn.saved_bo);
186 adev->vcn.saved_bo = NULL;
187 } else {
188 const struct common_firmware_header *hdr;
189 unsigned offset;
190
191 hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
192 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
193 memcpy_toio(adev->vcn.cpu_addr, adev->vcn.fw->data + offset,
194 le32_to_cpu(hdr->ucode_size_bytes));
195 size -= le32_to_cpu(hdr->ucode_size_bytes);
196 ptr += le32_to_cpu(hdr->ucode_size_bytes);
197 memset_io(ptr, 0, size);
198 }
199
200 return 0;
201}
202
203static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
204{
205 struct amdgpu_device *adev =
206 container_of(work, struct amdgpu_device, vcn.idle_work.work);
207 unsigned fences = amdgpu_fence_count_emitted(&adev->vcn.ring_dec);
208
209 if (fences == 0) {
210 if (adev->pm.dpm_enabled) {
211 /* might be used when with pg/cg
212 amdgpu_dpm_enable_uvd(adev, false);
213 */
214 }
215 } else {
216 schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
217 }
218}
219
220void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
221{
222 struct amdgpu_device *adev = ring->adev;
223 bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
224
225 if (set_clocks && adev->pm.dpm_enabled) {
226 /* might be used when with pg/cg
227 amdgpu_dpm_enable_uvd(adev, true);
228 */
229 }
230}
231
232void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
233{
234 schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
235}
236
237int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
238{
239 struct amdgpu_device *adev = ring->adev;
240 uint32_t tmp = 0;
241 unsigned i;
242 int r;
243
244 WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
245 r = amdgpu_ring_alloc(ring, 3);
246 if (r) {
247 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
248 ring->idx, r);
249 return r;
250 }
251 amdgpu_ring_write(ring,
252 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
253 amdgpu_ring_write(ring, 0xDEADBEEF);
254 amdgpu_ring_commit(ring);
255 for (i = 0; i < adev->usec_timeout; i++) {
256 tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
257 if (tmp == 0xDEADBEEF)
258 break;
259 DRM_UDELAY(1);
260 }
261
262 if (i < adev->usec_timeout) {
263 DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
264 ring->idx, i);
265 } else {
266 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
267 ring->idx, tmp);
268 r = -EINVAL;
269 }
270 return r;
271}
272
273static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
274 struct amdgpu_bo *bo, bool direct,
275 struct dma_fence **fence)
276{
277 struct amdgpu_device *adev = ring->adev;
278 struct dma_fence *f = NULL;
279 struct amdgpu_job *job;
280 struct amdgpu_ib *ib;
281 uint64_t addr;
282 int i, r;
283
284 r = amdgpu_job_alloc_with_ib(adev, 64, &job);
285 if (r)
286 goto err;
287
288 ib = &job->ibs[0];
289 addr = amdgpu_bo_gpu_offset(bo);
290 ib->ptr[0] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0);
291 ib->ptr[1] = addr;
292 ib->ptr[2] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0);
293 ib->ptr[3] = addr >> 32;
294 ib->ptr[4] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0);
295 ib->ptr[5] = 0;
296 for (i = 6; i < 16; i += 2) {
297 ib->ptr[i] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0);
298 ib->ptr[i+1] = 0;
299 }
300 ib->length_dw = 16;
301
302 if (direct) {
303 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
304 job->fence = dma_fence_get(f);
305 if (r)
306 goto err_free;
307
308 amdgpu_job_free(job);
309 } else {
310 r = amdgpu_job_submit(job, ring, &adev->vcn.entity_dec,
311 AMDGPU_FENCE_OWNER_UNDEFINED, &f);
312 if (r)
313 goto err_free;
314 }
315
316 amdgpu_bo_fence(bo, f, false);
317 amdgpu_bo_unreserve(bo);
318 amdgpu_bo_unref(&bo);
319
320 if (fence)
321 *fence = dma_fence_get(f);
322 dma_fence_put(f);
323
324 return 0;
325
326err_free:
327 amdgpu_job_free(job);
328
329err:
330 amdgpu_bo_unreserve(bo);
331 amdgpu_bo_unref(&bo);
332 return r;
333}
334
335static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
336 struct dma_fence **fence)
337{
338 struct amdgpu_device *adev = ring->adev;
339 struct amdgpu_bo *bo = NULL;
340 uint32_t *msg;
341 int r, i;
342
343 r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
344 AMDGPU_GEM_DOMAIN_VRAM,
345 &bo, NULL, (void **)&msg);
346 if (r)
347 return r;
348
349 msg[0] = cpu_to_le32(0x00000028);
350 msg[1] = cpu_to_le32(0x00000038);
351 msg[2] = cpu_to_le32(0x00000001);
352 msg[3] = cpu_to_le32(0x00000000);
353 msg[4] = cpu_to_le32(handle);
354 msg[5] = cpu_to_le32(0x00000000);
355 msg[6] = cpu_to_le32(0x00000001);
356 msg[7] = cpu_to_le32(0x00000028);
357 msg[8] = cpu_to_le32(0x00000010);
358 msg[9] = cpu_to_le32(0x00000000);
359 msg[10] = cpu_to_le32(0x00000007);
360 msg[11] = cpu_to_le32(0x00000000);
361 msg[12] = cpu_to_le32(0x00000780);
362 msg[13] = cpu_to_le32(0x00000440);
363 for (i = 14; i < 1024; ++i)
364 msg[i] = cpu_to_le32(0x0);
365
366 return amdgpu_vcn_dec_send_msg(ring, bo, true, fence);
367}
368
369static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
370 bool direct, struct dma_fence **fence)
371{
372 struct amdgpu_device *adev = ring->adev;
373 struct amdgpu_bo *bo = NULL;
374 uint32_t *msg;
375 int r, i;
376
377 r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
378 AMDGPU_GEM_DOMAIN_VRAM,
379 &bo, NULL, (void **)&msg);
380 if (r)
381 return r;
382
383 msg[0] = cpu_to_le32(0x00000028);
384 msg[1] = cpu_to_le32(0x00000018);
385 msg[2] = cpu_to_le32(0x00000000);
386 msg[3] = cpu_to_le32(0x00000002);
387 msg[4] = cpu_to_le32(handle);
388 msg[5] = cpu_to_le32(0x00000000);
389 for (i = 6; i < 1024; ++i)
390 msg[i] = cpu_to_le32(0x0);
391
392 return amdgpu_vcn_dec_send_msg(ring, bo, direct, fence);
393}
394
395int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
396{
397 struct dma_fence *fence;
398 long r;
399
400 r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
401 if (r) {
402 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
403 goto error;
404 }
405
406 r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, true, &fence);
407 if (r) {
408 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
409 goto error;
410 }
411
412 r = dma_fence_wait_timeout(fence, false, timeout);
413 if (r == 0) {
414 DRM_ERROR("amdgpu: IB test timed out.\n");
415 r = -ETIMEDOUT;
416 } else if (r < 0) {
417 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
418 } else {
419 DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx);
420 r = 0;
421 }
422
423 dma_fence_put(fence);
424
425error:
426 return r;
427}
428
429int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
430{
431 struct amdgpu_device *adev = ring->adev;
432 uint32_t rptr = amdgpu_ring_get_rptr(ring);
433 unsigned i;
434 int r;
435
436 r = amdgpu_ring_alloc(ring, 16);
437 if (r) {
438 DRM_ERROR("amdgpu: vcn enc failed to lock ring %d (%d).\n",
439 ring->idx, r);
440 return r;
441 }
442 amdgpu_ring_write(ring, VCN_ENC_CMD_END);
443 amdgpu_ring_commit(ring);
444
445 for (i = 0; i < adev->usec_timeout; i++) {
446 if (amdgpu_ring_get_rptr(ring) != rptr)
447 break;
448 DRM_UDELAY(1);
449 }
450
451 if (i < adev->usec_timeout) {
452 DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
453 ring->idx, i);
454 } else {
455 DRM_ERROR("amdgpu: ring %d test failed\n",
456 ring->idx);
457 r = -ETIMEDOUT;
458 }
459
460 return r;
461}
462
463static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
464 struct dma_fence **fence)
465{
466 const unsigned ib_size_dw = 16;
467 struct amdgpu_job *job;
468 struct amdgpu_ib *ib;
469 struct dma_fence *f = NULL;
470 uint64_t dummy;
471 int i, r;
472
473 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
474 if (r)
475 return r;
476
477 ib = &job->ibs[0];
478 dummy = ib->gpu_addr + 1024;
479
480 ib->length_dw = 0;
481 ib->ptr[ib->length_dw++] = 0x00000018;
482 ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
483 ib->ptr[ib->length_dw++] = handle;
484 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
485 ib->ptr[ib->length_dw++] = dummy;
486 ib->ptr[ib->length_dw++] = 0x0000000b;
487
488 ib->ptr[ib->length_dw++] = 0x00000014;
489 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
490 ib->ptr[ib->length_dw++] = 0x0000001c;
491 ib->ptr[ib->length_dw++] = 0x00000000;
492 ib->ptr[ib->length_dw++] = 0x00000000;
493
494 ib->ptr[ib->length_dw++] = 0x00000008;
495 ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
496
497 for (i = ib->length_dw; i < ib_size_dw; ++i)
498 ib->ptr[i] = 0x0;
499
500 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
501 job->fence = dma_fence_get(f);
502 if (r)
503 goto err;
504
505 amdgpu_job_free(job);
506 if (fence)
507 *fence = dma_fence_get(f);
508 dma_fence_put(f);
509
510 return 0;
511
512err:
513 amdgpu_job_free(job);
514 return r;
515}
516
517static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
518 struct dma_fence **fence)
519{
520 const unsigned ib_size_dw = 16;
521 struct amdgpu_job *job;
522 struct amdgpu_ib *ib;
523 struct dma_fence *f = NULL;
524 uint64_t dummy;
525 int i, r;
526
527 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
528 if (r)
529 return r;
530
531 ib = &job->ibs[0];
532 dummy = ib->gpu_addr + 1024;
533
534 ib->length_dw = 0;
535 ib->ptr[ib->length_dw++] = 0x00000018;
536 ib->ptr[ib->length_dw++] = 0x00000001;
537 ib->ptr[ib->length_dw++] = handle;
538 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
539 ib->ptr[ib->length_dw++] = dummy;
540 ib->ptr[ib->length_dw++] = 0x0000000b;
541
542 ib->ptr[ib->length_dw++] = 0x00000014;
543 ib->ptr[ib->length_dw++] = 0x00000002;
544 ib->ptr[ib->length_dw++] = 0x0000001c;
545 ib->ptr[ib->length_dw++] = 0x00000000;
546 ib->ptr[ib->length_dw++] = 0x00000000;
547
548 ib->ptr[ib->length_dw++] = 0x00000008;
549 ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
550
551 for (i = ib->length_dw; i < ib_size_dw; ++i)
552 ib->ptr[i] = 0x0;
553
554 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
555 job->fence = dma_fence_get(f);
556 if (r)
557 goto err;
558
559 amdgpu_job_free(job);
560 if (fence)
561 *fence = dma_fence_get(f);
562 dma_fence_put(f);
563
564 return 0;
565
566err:
567 amdgpu_job_free(job);
568 return r;
569}
570
571int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
572{
573 struct dma_fence *fence = NULL;
574 long r;
575
576 r = amdgpu_vcn_enc_get_create_msg(ring, 1, NULL);
577 if (r) {
578 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
579 goto error;
580 }
581
582 r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &fence);
583 if (r) {
584 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
585 goto error;
586 }
587
588 r = dma_fence_wait_timeout(fence, false, timeout);
589 if (r == 0) {
590 DRM_ERROR("amdgpu: IB test timed out.\n");
591 r = -ETIMEDOUT;
592 } else if (r < 0) {
593 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
594 } else {
595 DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx);
596 r = 0;
597 }
598error:
599 dma_fence_put(fence);
600 return r;
601}