2 * Copyright 2016 Advanced Micro Devices, Inc.
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:
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
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21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
27 #include <linux/firmware.h>
28 #include <linux/module.h>
33 #include "amdgpu_pm.h"
34 #include "amdgpu_vcn.h"
36 #include "soc15_common.h"
38 #include "vega10/soc15ip.h"
39 #include "raven1/VCN/vcn_1_0_offset.h"
41 /* 1 second timeout */
42 #define VCN_IDLE_TIMEOUT msecs_to_jiffies(1000)
45 #define FIRMWARE_RAVEN "amdgpu/raven_vcn.bin"
47 MODULE_FIRMWARE(FIRMWARE_RAVEN);
49 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
51 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
53 struct amdgpu_ring *ring;
54 struct amd_sched_rq *rq;
55 unsigned long bo_size;
57 const struct common_firmware_header *hdr;
58 unsigned version_major, version_minor, family_id;
61 INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
63 switch (adev->asic_type) {
65 fw_name = FIRMWARE_RAVEN;
71 r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
73 dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
78 r = amdgpu_ucode_validate(adev->vcn.fw);
80 dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
82 release_firmware(adev->vcn.fw);
87 hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
88 family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
89 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
90 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
91 DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
92 version_major, version_minor, family_id);
95 bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
96 + AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE
97 + AMDGPU_VCN_SESSION_SIZE * 40;
98 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
99 AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.vcpu_bo,
100 &adev->vcn.gpu_addr, &adev->vcn.cpu_addr);
102 dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
106 ring = &adev->vcn.ring_dec;
107 rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL];
108 r = amd_sched_entity_init(&ring->sched, &adev->vcn.entity_dec,
109 rq, amdgpu_sched_jobs);
111 DRM_ERROR("Failed setting up VCN dec run queue.\n");
115 ring = &adev->vcn.ring_enc[0];
116 rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL];
117 r = amd_sched_entity_init(&ring->sched, &adev->vcn.entity_enc,
118 rq, amdgpu_sched_jobs);
120 DRM_ERROR("Failed setting up VCN enc run queue.\n");
127 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
131 kfree(adev->vcn.saved_bo);
133 amd_sched_entity_fini(&adev->vcn.ring_dec.sched, &adev->vcn.entity_dec);
135 amd_sched_entity_fini(&adev->vcn.ring_enc[0].sched, &adev->vcn.entity_enc);
137 amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo,
139 (void **)&adev->vcn.cpu_addr);
141 amdgpu_ring_fini(&adev->vcn.ring_dec);
143 for (i = 0; i < adev->vcn.num_enc_rings; ++i)
144 amdgpu_ring_fini(&adev->vcn.ring_enc[i]);
146 release_firmware(adev->vcn.fw);
151 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
156 if (adev->vcn.vcpu_bo == NULL)
159 cancel_delayed_work_sync(&adev->vcn.idle_work);
161 size = amdgpu_bo_size(adev->vcn.vcpu_bo);
162 ptr = adev->vcn.cpu_addr;
164 adev->vcn.saved_bo = kmalloc(size, GFP_KERNEL);
165 if (!adev->vcn.saved_bo)
168 memcpy_fromio(adev->vcn.saved_bo, ptr, size);
173 int amdgpu_vcn_resume(struct amdgpu_device *adev)
178 if (adev->vcn.vcpu_bo == NULL)
181 size = amdgpu_bo_size(adev->vcn.vcpu_bo);
182 ptr = adev->vcn.cpu_addr;
184 if (adev->vcn.saved_bo != NULL) {
185 memcpy_toio(ptr, adev->vcn.saved_bo, size);
186 kfree(adev->vcn.saved_bo);
187 adev->vcn.saved_bo = NULL;
189 const struct common_firmware_header *hdr;
192 hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
193 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
194 memcpy_toio(adev->vcn.cpu_addr, adev->vcn.fw->data + offset,
195 le32_to_cpu(hdr->ucode_size_bytes));
196 size -= le32_to_cpu(hdr->ucode_size_bytes);
197 ptr += le32_to_cpu(hdr->ucode_size_bytes);
198 memset_io(ptr, 0, size);
204 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
206 struct amdgpu_device *adev =
207 container_of(work, struct amdgpu_device, vcn.idle_work.work);
208 unsigned fences = amdgpu_fence_count_emitted(&adev->vcn.ring_dec);
211 if (adev->pm.dpm_enabled) {
212 /* might be used when with pg/cg
213 amdgpu_dpm_enable_uvd(adev, false);
217 schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
221 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
223 struct amdgpu_device *adev = ring->adev;
224 bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
226 if (set_clocks && adev->pm.dpm_enabled) {
227 /* might be used when with pg/cg
228 amdgpu_dpm_enable_uvd(adev, true);
233 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
235 schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
238 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
240 struct amdgpu_device *adev = ring->adev;
245 WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
246 r = amdgpu_ring_alloc(ring, 3);
248 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
252 amdgpu_ring_write(ring,
253 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
254 amdgpu_ring_write(ring, 0xDEADBEEF);
255 amdgpu_ring_commit(ring);
256 for (i = 0; i < adev->usec_timeout; i++) {
257 tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
258 if (tmp == 0xDEADBEEF)
263 if (i < adev->usec_timeout) {
264 DRM_INFO("ring test on %d succeeded in %d usecs\n",
267 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
274 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
275 bool direct, struct dma_fence **fence)
277 struct ttm_validate_buffer tv;
278 struct ww_acquire_ctx ticket;
279 struct list_head head;
280 struct amdgpu_job *job;
281 struct amdgpu_ib *ib;
282 struct dma_fence *f = NULL;
283 struct amdgpu_device *adev = ring->adev;
287 memset(&tv, 0, sizeof(tv));
290 INIT_LIST_HEAD(&head);
291 list_add(&tv.head, &head);
293 r = ttm_eu_reserve_buffers(&ticket, &head, true, NULL);
297 r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
301 r = amdgpu_job_alloc_with_ib(adev, 64, &job);
306 addr = amdgpu_bo_gpu_offset(bo);
307 ib->ptr[0] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0);
309 ib->ptr[2] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0);
310 ib->ptr[3] = addr >> 32;
311 ib->ptr[4] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0);
313 for (i = 6; i < 16; i += 2) {
314 ib->ptr[i] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0);
320 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
321 job->fence = dma_fence_get(f);
325 amdgpu_job_free(job);
327 r = amdgpu_job_submit(job, ring, &adev->vcn.entity_dec,
328 AMDGPU_FENCE_OWNER_UNDEFINED, &f);
333 ttm_eu_fence_buffer_objects(&ticket, &head, f);
336 *fence = dma_fence_get(f);
337 amdgpu_bo_unref(&bo);
343 amdgpu_job_free(job);
346 ttm_eu_backoff_reservation(&ticket, &head);
350 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
351 struct dma_fence **fence)
353 struct amdgpu_device *adev = ring->adev;
354 struct amdgpu_bo *bo;
358 r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
359 AMDGPU_GEM_DOMAIN_VRAM,
360 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
361 AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
366 r = amdgpu_bo_reserve(bo, false);
368 amdgpu_bo_unref(&bo);
372 r = amdgpu_bo_kmap(bo, (void **)&msg);
374 amdgpu_bo_unreserve(bo);
375 amdgpu_bo_unref(&bo);
379 msg[0] = cpu_to_le32(0x00000028);
380 msg[1] = cpu_to_le32(0x00000038);
381 msg[2] = cpu_to_le32(0x00000001);
382 msg[3] = cpu_to_le32(0x00000000);
383 msg[4] = cpu_to_le32(handle);
384 msg[5] = cpu_to_le32(0x00000000);
385 msg[6] = cpu_to_le32(0x00000001);
386 msg[7] = cpu_to_le32(0x00000028);
387 msg[8] = cpu_to_le32(0x00000010);
388 msg[9] = cpu_to_le32(0x00000000);
389 msg[10] = cpu_to_le32(0x00000007);
390 msg[11] = cpu_to_le32(0x00000000);
391 msg[12] = cpu_to_le32(0x00000780);
392 msg[13] = cpu_to_le32(0x00000440);
393 for (i = 14; i < 1024; ++i)
394 msg[i] = cpu_to_le32(0x0);
396 amdgpu_bo_kunmap(bo);
397 amdgpu_bo_unreserve(bo);
399 return amdgpu_vcn_dec_send_msg(ring, bo, true, fence);
402 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
403 bool direct, struct dma_fence **fence)
405 struct amdgpu_device *adev = ring->adev;
406 struct amdgpu_bo *bo;
410 r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
411 AMDGPU_GEM_DOMAIN_VRAM,
412 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
413 AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
418 r = amdgpu_bo_reserve(bo, false);
420 amdgpu_bo_unref(&bo);
424 r = amdgpu_bo_kmap(bo, (void **)&msg);
426 amdgpu_bo_unreserve(bo);
427 amdgpu_bo_unref(&bo);
431 msg[0] = cpu_to_le32(0x00000028);
432 msg[1] = cpu_to_le32(0x00000018);
433 msg[2] = cpu_to_le32(0x00000000);
434 msg[3] = cpu_to_le32(0x00000002);
435 msg[4] = cpu_to_le32(handle);
436 msg[5] = cpu_to_le32(0x00000000);
437 for (i = 6; i < 1024; ++i)
438 msg[i] = cpu_to_le32(0x0);
440 amdgpu_bo_kunmap(bo);
441 amdgpu_bo_unreserve(bo);
443 return amdgpu_vcn_dec_send_msg(ring, bo, direct, fence);
446 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
448 struct dma_fence *fence;
451 r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
453 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
457 r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, true, &fence);
459 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
463 r = dma_fence_wait_timeout(fence, false, timeout);
465 DRM_ERROR("amdgpu: IB test timed out.\n");
468 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
470 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
474 dma_fence_put(fence);
480 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
482 struct amdgpu_device *adev = ring->adev;
483 uint32_t rptr = amdgpu_ring_get_rptr(ring);
487 r = amdgpu_ring_alloc(ring, 16);
489 DRM_ERROR("amdgpu: vcn enc failed to lock ring %d (%d).\n",
493 amdgpu_ring_write(ring, VCN_ENC_CMD_END);
494 amdgpu_ring_commit(ring);
496 for (i = 0; i < adev->usec_timeout; i++) {
497 if (amdgpu_ring_get_rptr(ring) != rptr)
502 if (i < adev->usec_timeout) {
503 DRM_INFO("ring test on %d succeeded in %d usecs\n",
506 DRM_ERROR("amdgpu: ring %d test failed\n",
514 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
515 struct dma_fence **fence)
517 const unsigned ib_size_dw = 16;
518 struct amdgpu_job *job;
519 struct amdgpu_ib *ib;
520 struct dma_fence *f = NULL;
524 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
529 dummy = ib->gpu_addr + 1024;
532 ib->ptr[ib->length_dw++] = 0x00000018;
533 ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
534 ib->ptr[ib->length_dw++] = handle;
535 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
536 ib->ptr[ib->length_dw++] = dummy;
537 ib->ptr[ib->length_dw++] = 0x0000000b;
539 ib->ptr[ib->length_dw++] = 0x00000014;
540 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
541 ib->ptr[ib->length_dw++] = 0x0000001c;
542 ib->ptr[ib->length_dw++] = 0x00000000;
543 ib->ptr[ib->length_dw++] = 0x00000000;
545 ib->ptr[ib->length_dw++] = 0x00000008;
546 ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
548 for (i = ib->length_dw; i < ib_size_dw; ++i)
551 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
552 job->fence = dma_fence_get(f);
556 amdgpu_job_free(job);
558 *fence = dma_fence_get(f);
564 amdgpu_job_free(job);
568 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
569 struct dma_fence **fence)
571 const unsigned ib_size_dw = 16;
572 struct amdgpu_job *job;
573 struct amdgpu_ib *ib;
574 struct dma_fence *f = NULL;
578 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
583 dummy = ib->gpu_addr + 1024;
586 ib->ptr[ib->length_dw++] = 0x00000018;
587 ib->ptr[ib->length_dw++] = 0x00000001;
588 ib->ptr[ib->length_dw++] = handle;
589 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
590 ib->ptr[ib->length_dw++] = dummy;
591 ib->ptr[ib->length_dw++] = 0x0000000b;
593 ib->ptr[ib->length_dw++] = 0x00000014;
594 ib->ptr[ib->length_dw++] = 0x00000002;
595 ib->ptr[ib->length_dw++] = 0x0000001c;
596 ib->ptr[ib->length_dw++] = 0x00000000;
597 ib->ptr[ib->length_dw++] = 0x00000000;
599 ib->ptr[ib->length_dw++] = 0x00000008;
600 ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
602 for (i = ib->length_dw; i < ib_size_dw; ++i)
605 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
606 job->fence = dma_fence_get(f);
610 amdgpu_job_free(job);
612 *fence = dma_fence_get(f);
618 amdgpu_job_free(job);
622 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
624 struct dma_fence *fence = NULL;
627 r = amdgpu_vcn_enc_get_create_msg(ring, 1, NULL);
629 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
633 r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &fence);
635 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
639 r = dma_fence_wait_timeout(fence, false, timeout);
641 DRM_ERROR("amdgpu: IB test timed out.\n");
644 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
646 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
650 dma_fence_put(fence);