2 * Copyright 2013 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
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.
21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
25 * Authors: Christian König <christian.koenig@amd.com>
28 #include <linux/firmware.h>
29 #include <linux/module.h>
34 #include "amdgpu_pm.h"
35 #include "amdgpu_vce.h"
38 /* 1 second timeout */
39 #define VCE_IDLE_TIMEOUT_MS 1000
42 #ifdef CONFIG_DRM_AMDGPU_CIK
43 #define FIRMWARE_BONAIRE "/*(DEBLOBBED)*/"
44 #define FIRMWARE_KABINI "/*(DEBLOBBED)*/"
45 #define FIRMWARE_KAVERI "/*(DEBLOBBED)*/"
46 #define FIRMWARE_HAWAII "/*(DEBLOBBED)*/"
47 #define FIRMWARE_MULLINS "/*(DEBLOBBED)*/"
49 #define FIRMWARE_TONGA "/*(DEBLOBBED)*/"
50 #define FIRMWARE_CARRIZO "/*(DEBLOBBED)*/"
51 #define FIRMWARE_FIJI "/*(DEBLOBBED)*/"
52 #define FIRMWARE_STONEY "/*(DEBLOBBED)*/"
54 #ifdef CONFIG_DRM_AMDGPU_CIK
59 static void amdgpu_vce_idle_work_handler(struct work_struct *work);
62 * amdgpu_vce_init - allocate memory, load vce firmware
64 * @adev: amdgpu_device pointer
66 * First step to get VCE online, allocate memory and load the firmware
68 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
71 const struct common_firmware_header *hdr;
72 unsigned ucode_version, version_major, version_minor, binary_id;
75 INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
77 switch (adev->asic_type) {
78 #ifdef CONFIG_DRM_AMDGPU_CIK
80 fw_name = FIRMWARE_BONAIRE;
83 fw_name = FIRMWARE_KAVERI;
86 fw_name = FIRMWARE_KABINI;
89 fw_name = FIRMWARE_HAWAII;
92 fw_name = FIRMWARE_MULLINS;
96 fw_name = FIRMWARE_TONGA;
99 fw_name = FIRMWARE_CARRIZO;
102 fw_name = FIRMWARE_FIJI;
105 fw_name = FIRMWARE_STONEY;
112 r = reject_firmware(&adev->vce.fw, fw_name, adev->dev);
114 dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
119 r = amdgpu_ucode_validate(adev->vce.fw);
121 dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
123 release_firmware(adev->vce.fw);
128 hdr = (const struct common_firmware_header *)adev->vce.fw->data;
130 ucode_version = le32_to_cpu(hdr->ucode_version);
131 version_major = (ucode_version >> 20) & 0xfff;
132 version_minor = (ucode_version >> 8) & 0xfff;
133 binary_id = ucode_version & 0xff;
134 DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n",
135 version_major, version_minor, binary_id);
136 adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
139 /* allocate firmware, stack and heap BO */
141 r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
142 AMDGPU_GEM_DOMAIN_VRAM,
143 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
144 NULL, NULL, &adev->vce.vcpu_bo);
146 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
150 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
152 amdgpu_bo_unref(&adev->vce.vcpu_bo);
153 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
157 r = amdgpu_bo_pin(adev->vce.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM,
158 &adev->vce.gpu_addr);
159 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
161 amdgpu_bo_unref(&adev->vce.vcpu_bo);
162 dev_err(adev->dev, "(%d) VCE bo pin failed\n", r);
166 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
167 atomic_set(&adev->vce.handles[i], 0);
168 adev->vce.filp[i] = NULL;
175 * amdgpu_vce_fini - free memory
177 * @adev: amdgpu_device pointer
179 * Last step on VCE teardown, free firmware memory
181 int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
183 if (adev->vce.vcpu_bo == NULL)
186 amdgpu_bo_unref(&adev->vce.vcpu_bo);
188 amdgpu_ring_fini(&adev->vce.ring[0]);
189 amdgpu_ring_fini(&adev->vce.ring[1]);
191 release_firmware(adev->vce.fw);
197 * amdgpu_vce_suspend - unpin VCE fw memory
199 * @adev: amdgpu_device pointer
202 int amdgpu_vce_suspend(struct amdgpu_device *adev)
206 if (adev->vce.vcpu_bo == NULL)
209 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
210 if (atomic_read(&adev->vce.handles[i]))
213 if (i == AMDGPU_MAX_VCE_HANDLES)
216 cancel_delayed_work_sync(&adev->vce.idle_work);
217 /* TODO: suspending running encoding sessions isn't supported */
222 * amdgpu_vce_resume - pin VCE fw memory
224 * @adev: amdgpu_device pointer
227 int amdgpu_vce_resume(struct amdgpu_device *adev)
230 const struct common_firmware_header *hdr;
234 if (adev->vce.vcpu_bo == NULL)
237 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
239 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
243 r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
245 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
246 dev_err(adev->dev, "(%d) VCE map failed\n", r);
250 hdr = (const struct common_firmware_header *)adev->vce.fw->data;
251 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
252 memcpy(cpu_addr, (adev->vce.fw->data) + offset,
253 (adev->vce.fw->size) - offset);
255 amdgpu_bo_kunmap(adev->vce.vcpu_bo);
257 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
263 * amdgpu_vce_idle_work_handler - power off VCE
265 * @work: pointer to work structure
267 * power of VCE when it's not used any more
269 static void amdgpu_vce_idle_work_handler(struct work_struct *work)
271 struct amdgpu_device *adev =
272 container_of(work, struct amdgpu_device, vce.idle_work.work);
274 if ((amdgpu_fence_count_emitted(&adev->vce.ring[0]) == 0) &&
275 (amdgpu_fence_count_emitted(&adev->vce.ring[1]) == 0)) {
276 if (adev->pm.dpm_enabled) {
277 amdgpu_dpm_enable_vce(adev, false);
279 amdgpu_asic_set_vce_clocks(adev, 0, 0);
280 amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
282 amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
286 schedule_delayed_work(&adev->vce.idle_work,
287 msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS));
292 * amdgpu_vce_note_usage - power up VCE
294 * @adev: amdgpu_device pointer
296 * Make sure VCE is powerd up when we want to use it
298 static void amdgpu_vce_note_usage(struct amdgpu_device *adev)
300 bool streams_changed = false;
301 bool set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
302 set_clocks &= schedule_delayed_work(&adev->vce.idle_work,
303 msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS));
305 if (adev->pm.dpm_enabled) {
306 /* XXX figure out if the streams changed */
307 streams_changed = false;
310 if (set_clocks || streams_changed) {
311 if (adev->pm.dpm_enabled) {
312 amdgpu_dpm_enable_vce(adev, true);
314 amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
315 amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
316 AMD_CG_STATE_UNGATE);
317 amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
318 AMD_PG_STATE_UNGATE);
325 * amdgpu_vce_free_handles - free still open VCE handles
327 * @adev: amdgpu_device pointer
328 * @filp: drm file pointer
330 * Close all VCE handles still open by this file pointer
332 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
334 struct amdgpu_ring *ring = &adev->vce.ring[0];
336 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
337 uint32_t handle = atomic_read(&adev->vce.handles[i]);
338 if (!handle || adev->vce.filp[i] != filp)
341 amdgpu_vce_note_usage(adev);
343 r = amdgpu_vce_get_destroy_msg(ring, handle, NULL);
345 DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
347 adev->vce.filp[i] = NULL;
348 atomic_set(&adev->vce.handles[i], 0);
352 static int amdgpu_vce_free_job(
353 struct amdgpu_job *job)
355 amdgpu_ib_free(job->adev, job->ibs);
361 * amdgpu_vce_get_create_msg - generate a VCE create msg
363 * @adev: amdgpu_device pointer
364 * @ring: ring we should submit the msg to
365 * @handle: VCE session handle to use
366 * @fence: optional fence to return
368 * Open up a stream for HW test
370 int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
371 struct fence **fence)
373 const unsigned ib_size_dw = 1024;
374 struct amdgpu_ib *ib = NULL;
375 struct fence *f = NULL;
376 struct amdgpu_device *adev = ring->adev;
380 ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL);
383 r = amdgpu_ib_get(ring, NULL, ib_size_dw * 4, ib);
385 DRM_ERROR("amdgpu: failed to get ib (%d).\n", r);
390 dummy = ib->gpu_addr + 1024;
392 /* stitch together an VCE create msg */
394 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
395 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
396 ib->ptr[ib->length_dw++] = handle;
398 if ((ring->adev->vce.fw_version >> 24) >= 52)
399 ib->ptr[ib->length_dw++] = 0x00000040; /* len */
401 ib->ptr[ib->length_dw++] = 0x00000030; /* len */
402 ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
403 ib->ptr[ib->length_dw++] = 0x00000000;
404 ib->ptr[ib->length_dw++] = 0x00000042;
405 ib->ptr[ib->length_dw++] = 0x0000000a;
406 ib->ptr[ib->length_dw++] = 0x00000001;
407 ib->ptr[ib->length_dw++] = 0x00000080;
408 ib->ptr[ib->length_dw++] = 0x00000060;
409 ib->ptr[ib->length_dw++] = 0x00000100;
410 ib->ptr[ib->length_dw++] = 0x00000100;
411 ib->ptr[ib->length_dw++] = 0x0000000c;
412 ib->ptr[ib->length_dw++] = 0x00000000;
413 if ((ring->adev->vce.fw_version >> 24) >= 52) {
414 ib->ptr[ib->length_dw++] = 0x00000000;
415 ib->ptr[ib->length_dw++] = 0x00000000;
416 ib->ptr[ib->length_dw++] = 0x00000000;
417 ib->ptr[ib->length_dw++] = 0x00000000;
420 ib->ptr[ib->length_dw++] = 0x00000014; /* len */
421 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
422 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
423 ib->ptr[ib->length_dw++] = dummy;
424 ib->ptr[ib->length_dw++] = 0x00000001;
426 for (i = ib->length_dw; i < ib_size_dw; ++i)
429 r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1,
430 &amdgpu_vce_free_job,
431 AMDGPU_FENCE_OWNER_UNDEFINED,
436 *fence = fence_get(f);
438 if (amdgpu_enable_scheduler)
441 amdgpu_ib_free(adev, ib);
447 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
449 * @adev: amdgpu_device pointer
450 * @ring: ring we should submit the msg to
451 * @handle: VCE session handle to use
452 * @fence: optional fence to return
454 * Close up a stream for HW test or if userspace failed to do so
456 int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
457 struct fence **fence)
459 const unsigned ib_size_dw = 1024;
460 struct amdgpu_ib *ib = NULL;
461 struct fence *f = NULL;
462 struct amdgpu_device *adev = ring->adev;
466 ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL);
470 r = amdgpu_ib_get(ring, NULL, ib_size_dw * 4, ib);
473 DRM_ERROR("amdgpu: failed to get ib (%d).\n", r);
477 dummy = ib->gpu_addr + 1024;
479 /* stitch together an VCE destroy msg */
481 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
482 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
483 ib->ptr[ib->length_dw++] = handle;
485 ib->ptr[ib->length_dw++] = 0x00000014; /* len */
486 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
487 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
488 ib->ptr[ib->length_dw++] = dummy;
489 ib->ptr[ib->length_dw++] = 0x00000001;
491 ib->ptr[ib->length_dw++] = 0x00000008; /* len */
492 ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
494 for (i = ib->length_dw; i < ib_size_dw; ++i)
496 r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1,
497 &amdgpu_vce_free_job,
498 AMDGPU_FENCE_OWNER_UNDEFINED,
503 *fence = fence_get(f);
505 if (amdgpu_enable_scheduler)
508 amdgpu_ib_free(adev, ib);
514 * amdgpu_vce_cs_reloc - command submission relocation
517 * @lo: address of lower dword
518 * @hi: address of higher dword
519 * @size: minimum size
521 * Patch relocation inside command stream with real buffer address
523 static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx,
524 int lo, int hi, unsigned size, uint32_t index)
526 struct amdgpu_bo_va_mapping *mapping;
527 struct amdgpu_ib *ib = &p->ibs[ib_idx];
528 struct amdgpu_bo *bo;
531 if (index == 0xffffffff)
534 addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
535 ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
536 addr += ((uint64_t)size) * ((uint64_t)index);
538 mapping = amdgpu_cs_find_mapping(p, addr, &bo);
539 if (mapping == NULL) {
540 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
541 addr, lo, hi, size, index);
545 if ((addr + (uint64_t)size) >
546 ((uint64_t)mapping->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) {
547 DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n",
552 addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE;
553 addr += amdgpu_bo_gpu_offset(bo);
554 addr -= ((uint64_t)size) * ((uint64_t)index);
556 ib->ptr[lo] = addr & 0xFFFFFFFF;
557 ib->ptr[hi] = addr >> 32;
563 * amdgpu_vce_validate_handle - validate stream handle
566 * @handle: handle to validate
567 * @allocated: allocated a new handle?
569 * Validates the handle and return the found session index or -EINVAL
570 * we we don't have another free session index.
572 static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
573 uint32_t handle, bool *allocated)
579 /* validate the handle */
580 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
581 if (atomic_read(&p->adev->vce.handles[i]) == handle) {
582 if (p->adev->vce.filp[i] != p->filp) {
583 DRM_ERROR("VCE handle collision detected!\n");
590 /* handle not found try to alloc a new one */
591 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
592 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) {
593 p->adev->vce.filp[i] = p->filp;
594 p->adev->vce.img_size[i] = 0;
600 DRM_ERROR("No more free VCE handles!\n");
605 * amdgpu_vce_cs_parse - parse and validate the command stream
610 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
612 struct amdgpu_ib *ib = &p->ibs[ib_idx];
613 unsigned fb_idx = 0, bs_idx = 0;
614 int session_idx = -1;
615 bool destroyed = false;
616 bool created = false;
617 bool allocated = false;
618 uint32_t tmp, handle = 0;
619 uint32_t *size = &tmp;
620 int i, r = 0, idx = 0;
622 amdgpu_vce_note_usage(p->adev);
624 while (idx < ib->length_dw) {
625 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
626 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
628 if ((len < 8) || (len & 3)) {
629 DRM_ERROR("invalid VCE command length (%d)!\n", len);
635 DRM_ERROR("No other command allowed after destroy!\n");
641 case 0x00000001: // session
642 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
643 session_idx = amdgpu_vce_validate_handle(p, handle,
647 size = &p->adev->vce.img_size[session_idx];
650 case 0x00000002: // task info
651 fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
652 bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
655 case 0x01000001: // create
658 DRM_ERROR("Handle already in use!\n");
663 *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) *
664 amdgpu_get_ib_value(p, ib_idx, idx + 10) *
668 case 0x04000001: // config extension
669 case 0x04000002: // pic control
670 case 0x04000005: // rate control
671 case 0x04000007: // motion estimation
672 case 0x04000008: // rdo
673 case 0x04000009: // vui
674 case 0x05000002: // auxiliary buffer
677 case 0x03000001: // encode
678 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9,
683 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11,
689 case 0x02000001: // destroy
693 case 0x05000001: // context buffer
694 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
700 case 0x05000004: // video bitstream buffer
701 tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
702 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
708 case 0x05000005: // feedback buffer
709 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
716 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd);
721 if (session_idx == -1) {
722 DRM_ERROR("no session command at start of IB\n");
730 if (allocated && !created) {
731 DRM_ERROR("New session without create command!\n");
736 if ((!r && destroyed) || (r && allocated)) {
738 * IB contains a destroy msg or we have allocated an
739 * handle and got an error, anyway free the handle
741 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
742 atomic_cmpxchg(&p->adev->vce.handles[i], handle, 0);
749 * amdgpu_vce_ring_emit_semaphore - emit a semaphore command
751 * @ring: engine to use
752 * @semaphore: address of semaphore
753 * @emit_wait: true=emit wait, false=emit signal
756 bool amdgpu_vce_ring_emit_semaphore(struct amdgpu_ring *ring,
757 struct amdgpu_semaphore *semaphore,
760 uint64_t addr = semaphore->gpu_addr;
762 amdgpu_ring_write(ring, VCE_CMD_SEMAPHORE);
763 amdgpu_ring_write(ring, (addr >> 3) & 0x000FFFFF);
764 amdgpu_ring_write(ring, (addr >> 23) & 0x000FFFFF);
765 amdgpu_ring_write(ring, 0x01003000 | (emit_wait ? 1 : 0));
767 amdgpu_ring_write(ring, VCE_CMD_END);
773 * amdgpu_vce_ring_emit_ib - execute indirect buffer
775 * @ring: engine to use
776 * @ib: the IB to execute
779 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
781 amdgpu_ring_write(ring, VCE_CMD_IB);
782 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
783 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
784 amdgpu_ring_write(ring, ib->length_dw);
788 * amdgpu_vce_ring_emit_fence - add a fence command to the ring
790 * @ring: engine to use
794 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
797 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
799 amdgpu_ring_write(ring, VCE_CMD_FENCE);
800 amdgpu_ring_write(ring, addr);
801 amdgpu_ring_write(ring, upper_32_bits(addr));
802 amdgpu_ring_write(ring, seq);
803 amdgpu_ring_write(ring, VCE_CMD_TRAP);
804 amdgpu_ring_write(ring, VCE_CMD_END);
808 * amdgpu_vce_ring_test_ring - test if VCE ring is working
810 * @ring: the engine to test on
813 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
815 struct amdgpu_device *adev = ring->adev;
816 uint32_t rptr = amdgpu_ring_get_rptr(ring);
820 r = amdgpu_ring_lock(ring, 16);
822 DRM_ERROR("amdgpu: vce failed to lock ring %d (%d).\n",
826 amdgpu_ring_write(ring, VCE_CMD_END);
827 amdgpu_ring_unlock_commit(ring);
829 for (i = 0; i < adev->usec_timeout; i++) {
830 if (amdgpu_ring_get_rptr(ring) != rptr)
835 if (i < adev->usec_timeout) {
836 DRM_INFO("ring test on %d succeeded in %d usecs\n",
839 DRM_ERROR("amdgpu: ring %d test failed\n",
848 * amdgpu_vce_ring_test_ib - test if VCE IBs are working
850 * @ring: the engine to test on
853 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring)
855 struct fence *fence = NULL;
858 /* skip vce ring1 ib test for now, since it's not reliable */
859 if (ring == &ring->adev->vce.ring[1])
862 r = amdgpu_vce_get_create_msg(ring, 1, NULL);
864 DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r);
868 r = amdgpu_vce_get_destroy_msg(ring, 1, &fence);
870 DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r);
874 r = fence_wait(fence, false);
876 DRM_ERROR("amdgpu: fence wait failed (%d).\n", r);
878 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);