2 * Copyright 2011 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
31 #include <linux/firmware.h>
32 #include <linux/module.h>
37 #include "amdgpu_pm.h"
38 #include "amdgpu_uvd.h"
40 #include "uvd/uvd_4_2_d.h"
42 /* 1 second timeout */
43 #define UVD_IDLE_TIMEOUT_MS 1000
46 #ifdef CONFIG_DRM_AMDGPU_CIK
47 #define FIRMWARE_BONAIRE "radeon/bonaire_uvd.bin"
48 #define FIRMWARE_KABINI "radeon/kabini_uvd.bin"
49 #define FIRMWARE_KAVERI "radeon/kaveri_uvd.bin"
50 #define FIRMWARE_HAWAII "radeon/hawaii_uvd.bin"
51 #define FIRMWARE_MULLINS "radeon/mullins_uvd.bin"
53 #define FIRMWARE_TONGA "amdgpu/tonga_uvd.bin"
54 #define FIRMWARE_CARRIZO "amdgpu/carrizo_uvd.bin"
57 * amdgpu_uvd_cs_ctx - Command submission parser context
59 * Used for emulating virtual memory support on UVD 4.2.
61 struct amdgpu_uvd_cs_ctx {
62 struct amdgpu_cs_parser *parser;
64 unsigned data0, data1;
68 /* does the IB has a msg command */
71 /* minimum buffer sizes */
75 #ifdef CONFIG_DRM_AMDGPU_CIK
76 MODULE_FIRMWARE(FIRMWARE_BONAIRE);
77 MODULE_FIRMWARE(FIRMWARE_KABINI);
78 MODULE_FIRMWARE(FIRMWARE_KAVERI);
79 MODULE_FIRMWARE(FIRMWARE_HAWAII);
80 MODULE_FIRMWARE(FIRMWARE_MULLINS);
82 MODULE_FIRMWARE(FIRMWARE_TONGA);
83 MODULE_FIRMWARE(FIRMWARE_CARRIZO);
85 static void amdgpu_uvd_note_usage(struct amdgpu_device *adev);
86 static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
88 int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
90 unsigned long bo_size;
92 const struct common_firmware_header *hdr;
93 unsigned version_major, version_minor, family_id;
96 INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
98 switch (adev->asic_type) {
99 #ifdef CONFIG_DRM_AMDGPU_CIK
101 fw_name = FIRMWARE_BONAIRE;
104 fw_name = FIRMWARE_KABINI;
107 fw_name = FIRMWARE_KAVERI;
110 fw_name = FIRMWARE_HAWAII;
113 fw_name = FIRMWARE_MULLINS;
117 fw_name = FIRMWARE_TONGA;
120 fw_name = FIRMWARE_CARRIZO;
126 r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
128 dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
133 r = amdgpu_ucode_validate(adev->uvd.fw);
135 dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
137 release_firmware(adev->uvd.fw);
142 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
143 family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
144 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
145 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
146 DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
147 version_major, version_minor, family_id);
149 bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
150 + AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE;
151 r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true,
152 AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, &adev->uvd.vcpu_bo);
154 dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
158 r = amdgpu_bo_reserve(adev->uvd.vcpu_bo, false);
160 amdgpu_bo_unref(&adev->uvd.vcpu_bo);
161 dev_err(adev->dev, "(%d) failed to reserve UVD bo\n", r);
165 r = amdgpu_bo_pin(adev->uvd.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM,
166 &adev->uvd.gpu_addr);
168 amdgpu_bo_unreserve(adev->uvd.vcpu_bo);
169 amdgpu_bo_unref(&adev->uvd.vcpu_bo);
170 dev_err(adev->dev, "(%d) UVD bo pin failed\n", r);
174 r = amdgpu_bo_kmap(adev->uvd.vcpu_bo, &adev->uvd.cpu_addr);
176 dev_err(adev->dev, "(%d) UVD map failed\n", r);
180 amdgpu_bo_unreserve(adev->uvd.vcpu_bo);
182 for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
183 atomic_set(&adev->uvd.handles[i], 0);
184 adev->uvd.filp[i] = NULL;
187 /* from uvd v5.0 HW addressing capacity increased to 64 bits */
188 if (!amdgpu_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
189 adev->uvd.address_64_bit = true;
194 int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
198 if (adev->uvd.vcpu_bo == NULL)
201 r = amdgpu_bo_reserve(adev->uvd.vcpu_bo, false);
203 amdgpu_bo_kunmap(adev->uvd.vcpu_bo);
204 amdgpu_bo_unpin(adev->uvd.vcpu_bo);
205 amdgpu_bo_unreserve(adev->uvd.vcpu_bo);
208 amdgpu_bo_unref(&adev->uvd.vcpu_bo);
210 amdgpu_ring_fini(&adev->uvd.ring);
212 release_firmware(adev->uvd.fw);
217 int amdgpu_uvd_suspend(struct amdgpu_device *adev)
221 const struct common_firmware_header *hdr;
224 if (adev->uvd.vcpu_bo == NULL)
227 for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i)
228 if (atomic_read(&adev->uvd.handles[i]))
231 if (i == AMDGPU_MAX_UVD_HANDLES)
234 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
236 size = amdgpu_bo_size(adev->uvd.vcpu_bo);
237 size -= le32_to_cpu(hdr->ucode_size_bytes);
239 ptr = adev->uvd.cpu_addr;
240 ptr += le32_to_cpu(hdr->ucode_size_bytes);
242 adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
243 memcpy(adev->uvd.saved_bo, ptr, size);
248 int amdgpu_uvd_resume(struct amdgpu_device *adev)
252 const struct common_firmware_header *hdr;
255 if (adev->uvd.vcpu_bo == NULL)
258 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
259 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
260 memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset,
261 (adev->uvd.fw->size) - offset);
263 size = amdgpu_bo_size(adev->uvd.vcpu_bo);
264 size -= le32_to_cpu(hdr->ucode_size_bytes);
265 ptr = adev->uvd.cpu_addr;
266 ptr += le32_to_cpu(hdr->ucode_size_bytes);
268 if (adev->uvd.saved_bo != NULL) {
269 memcpy(ptr, adev->uvd.saved_bo, size);
270 kfree(adev->uvd.saved_bo);
271 adev->uvd.saved_bo = NULL;
273 memset(ptr, 0, size);
278 void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
280 struct amdgpu_ring *ring = &adev->uvd.ring;
283 for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
284 uint32_t handle = atomic_read(&adev->uvd.handles[i]);
285 if (handle != 0 && adev->uvd.filp[i] == filp) {
286 struct amdgpu_fence *fence;
288 amdgpu_uvd_note_usage(adev);
290 r = amdgpu_uvd_get_destroy_msg(ring, handle, &fence);
292 DRM_ERROR("Error destroying UVD (%d)!\n", r);
296 amdgpu_fence_wait(fence, false);
297 amdgpu_fence_unref(&fence);
299 adev->uvd.filp[i] = NULL;
300 atomic_set(&adev->uvd.handles[i], 0);
305 static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *rbo)
308 for (i = 0; i < rbo->placement.num_placement; ++i) {
309 rbo->placements[i].fpfn = 0 >> PAGE_SHIFT;
310 rbo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
315 * amdgpu_uvd_cs_pass1 - first parsing round
317 * @ctx: UVD parser context
319 * Make sure UVD message and feedback buffers are in VRAM and
320 * nobody is violating an 256MB boundary.
322 static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
324 struct amdgpu_bo_va_mapping *mapping;
325 struct amdgpu_bo *bo;
326 uint32_t cmd, lo, hi;
330 lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
331 hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
332 addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
334 mapping = amdgpu_cs_find_mapping(ctx->parser, addr, &bo);
335 if (mapping == NULL) {
336 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
340 if (!ctx->parser->adev->uvd.address_64_bit) {
341 /* check if it's a message or feedback command */
342 cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
343 if (cmd == 0x0 || cmd == 0x3) {
344 /* yes, force it into VRAM */
345 uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
346 amdgpu_ttm_placement_from_domain(bo, domain);
348 amdgpu_uvd_force_into_uvd_segment(bo);
350 r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
357 * amdgpu_uvd_cs_msg_decode - handle UVD decode message
359 * @msg: pointer to message structure
360 * @buf_sizes: returned buffer sizes
362 * Peek into the decode message and calculate the necessary buffer sizes.
364 static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[])
366 unsigned stream_type = msg[4];
367 unsigned width = msg[6];
368 unsigned height = msg[7];
369 unsigned dpb_size = msg[9];
370 unsigned pitch = msg[28];
371 unsigned level = msg[57];
373 unsigned width_in_mb = width / 16;
374 unsigned height_in_mb = ALIGN(height / 16, 2);
375 unsigned fs_in_mb = width_in_mb * height_in_mb;
377 unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
379 image_size = width * height;
380 image_size += image_size / 2;
381 image_size = ALIGN(image_size, 1024);
383 switch (stream_type) {
385 case 7: /* H264 Perf */
388 num_dpb_buffer = 8100 / fs_in_mb;
391 num_dpb_buffer = 18000 / fs_in_mb;
394 num_dpb_buffer = 20480 / fs_in_mb;
397 num_dpb_buffer = 32768 / fs_in_mb;
400 num_dpb_buffer = 34816 / fs_in_mb;
403 num_dpb_buffer = 110400 / fs_in_mb;
406 num_dpb_buffer = 184320 / fs_in_mb;
409 num_dpb_buffer = 184320 / fs_in_mb;
413 if (num_dpb_buffer > 17)
416 /* reference picture buffer */
417 min_dpb_size = image_size * num_dpb_buffer;
419 /* macroblock context buffer */
420 min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
422 /* IT surface buffer */
423 min_dpb_size += width_in_mb * height_in_mb * 32;
428 /* reference picture buffer */
429 min_dpb_size = image_size * 3;
432 min_dpb_size += width_in_mb * height_in_mb * 128;
434 /* IT surface buffer */
435 min_dpb_size += width_in_mb * 64;
437 /* DB surface buffer */
438 min_dpb_size += width_in_mb * 128;
441 tmp = max(width_in_mb, height_in_mb);
442 min_dpb_size += ALIGN(tmp * 7 * 16, 64);
447 /* reference picture buffer */
448 min_dpb_size = image_size * 3;
453 /* reference picture buffer */
454 min_dpb_size = image_size * 3;
457 min_dpb_size += width_in_mb * height_in_mb * 64;
459 /* IT surface buffer */
460 min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
464 image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
465 image_size = ALIGN(image_size, 256);
467 num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
468 min_dpb_size = image_size * num_dpb_buffer;
472 DRM_ERROR("UVD codec not handled %d!\n", stream_type);
477 DRM_ERROR("Invalid UVD decoding target pitch!\n");
481 if (dpb_size < min_dpb_size) {
482 DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
483 dpb_size, min_dpb_size);
487 buf_sizes[0x1] = dpb_size;
488 buf_sizes[0x2] = image_size;
493 * amdgpu_uvd_cs_msg - handle UVD message
495 * @ctx: UVD parser context
496 * @bo: buffer object containing the message
497 * @offset: offset into the buffer object
499 * Peek into the UVD message and extract the session id.
500 * Make sure that we don't open up to many sessions.
502 static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
503 struct amdgpu_bo *bo, unsigned offset)
505 struct amdgpu_device *adev = ctx->parser->adev;
506 int32_t *msg, msg_type, handle;
513 DRM_ERROR("UVD messages must be 64 byte aligned!\n");
517 f = reservation_object_get_excl(bo->tbo.resv);
519 r = amdgpu_fence_wait((struct amdgpu_fence *)f, false);
521 DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
526 r = amdgpu_bo_kmap(bo, &ptr);
528 DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);
538 DRM_ERROR("Invalid UVD handle!\n");
543 /* it's a decode msg, calc buffer sizes */
544 r = amdgpu_uvd_cs_msg_decode(msg, ctx->buf_sizes);
545 amdgpu_bo_kunmap(bo);
549 } else if (msg_type == 2) {
550 /* it's a destroy msg, free the handle */
551 for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i)
552 atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
553 amdgpu_bo_kunmap(bo);
556 /* it's a create msg */
557 amdgpu_bo_kunmap(bo);
560 DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
564 /* it's a create msg, no special handling needed */
567 /* create or decode, validate the handle */
568 for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
569 if (atomic_read(&adev->uvd.handles[i]) == handle)
573 /* handle not found try to alloc a new one */
574 for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
575 if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
576 adev->uvd.filp[i] = ctx->parser->filp;
581 DRM_ERROR("No more free UVD handles!\n");
586 * amdgpu_uvd_cs_pass2 - second parsing round
588 * @ctx: UVD parser context
590 * Patch buffer addresses, make sure buffer sizes are correct.
592 static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
594 struct amdgpu_bo_va_mapping *mapping;
595 struct amdgpu_bo *bo;
596 struct amdgpu_ib *ib;
597 uint32_t cmd, lo, hi;
602 lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
603 hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
604 addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
606 mapping = amdgpu_cs_find_mapping(ctx->parser, addr, &bo);
610 start = amdgpu_bo_gpu_offset(bo);
612 end = (mapping->it.last + 1 - mapping->it.start);
613 end = end * AMDGPU_GPU_PAGE_SIZE + start;
615 addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE;
618 ib = &ctx->parser->ibs[ctx->ib_idx];
619 ib->ptr[ctx->data0] = start & 0xFFFFFFFF;
620 ib->ptr[ctx->data1] = start >> 32;
622 cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
624 if ((end - start) < ctx->buf_sizes[cmd]) {
625 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
626 (unsigned)(end - start),
627 ctx->buf_sizes[cmd]);
631 } else if ((cmd != 0x100) && (cmd != 0x204)) {
632 DRM_ERROR("invalid UVD command %X!\n", cmd);
636 if (!ctx->parser->adev->uvd.address_64_bit) {
637 if ((start >> 28) != ((end - 1) >> 28)) {
638 DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
643 if ((cmd == 0 || cmd == 0x3) &&
644 (start >> 28) != (ctx->parser->adev->uvd.gpu_addr >> 28)) {
645 DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
652 ctx->has_msg_cmd = true;
653 r = amdgpu_uvd_cs_msg(ctx, bo, addr);
656 } else if (!ctx->has_msg_cmd) {
657 DRM_ERROR("Message needed before other commands are send!\n");
665 * amdgpu_uvd_cs_reg - parse register writes
667 * @ctx: UVD parser context
668 * @cb: callback function
670 * Parse the register writes, call cb on each complete command.
672 static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
673 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
675 struct amdgpu_ib *ib = &ctx->parser->ibs[ctx->ib_idx];
679 for (i = 0; i <= ctx->count; ++i) {
680 unsigned reg = ctx->reg + i;
682 if (ctx->idx >= ib->length_dw) {
683 DRM_ERROR("Register command after end of CS!\n");
688 case mmUVD_GPCOM_VCPU_DATA0:
689 ctx->data0 = ctx->idx;
691 case mmUVD_GPCOM_VCPU_DATA1:
692 ctx->data1 = ctx->idx;
694 case mmUVD_GPCOM_VCPU_CMD:
699 case mmUVD_ENGINE_CNTL:
702 DRM_ERROR("Invalid reg 0x%X!\n", reg);
711 * amdgpu_uvd_cs_packets - parse UVD packets
713 * @ctx: UVD parser context
714 * @cb: callback function
716 * Parse the command stream packets.
718 static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
719 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
721 struct amdgpu_ib *ib = &ctx->parser->ibs[ctx->ib_idx];
724 for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) {
725 uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx);
726 unsigned type = CP_PACKET_GET_TYPE(cmd);
729 ctx->reg = CP_PACKET0_GET_REG(cmd);
730 ctx->count = CP_PACKET_GET_COUNT(cmd);
731 r = amdgpu_uvd_cs_reg(ctx, cb);
739 DRM_ERROR("Unknown packet type %d !\n", type);
747 * amdgpu_uvd_ring_parse_cs - UVD command submission parser
749 * @parser: Command submission parser context
751 * Parse the command stream, patch in addresses as necessary.
753 int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
755 struct amdgpu_uvd_cs_ctx ctx = {};
756 unsigned buf_sizes[] = {
758 [0x00000001] = 32 * 1024 * 1024,
759 [0x00000002] = 2048 * 1152 * 3,
762 struct amdgpu_ib *ib = &parser->ibs[ib_idx];
765 if (ib->length_dw % 16) {
766 DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
772 ctx.buf_sizes = buf_sizes;
775 /* first round, make sure the buffers are actually in the UVD segment */
776 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
780 /* second round, patch buffer addresses into the command stream */
781 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
785 if (!ctx.has_msg_cmd) {
786 DRM_ERROR("UVD-IBs need a msg command!\n");
790 amdgpu_uvd_note_usage(ctx.parser->adev);
795 static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring,
796 struct amdgpu_bo *bo,
797 struct amdgpu_fence **fence)
799 struct ttm_validate_buffer tv;
800 struct ww_acquire_ctx ticket;
801 struct list_head head;
806 memset(&tv, 0, sizeof(tv));
809 INIT_LIST_HEAD(&head);
810 list_add(&tv.head, &head);
812 r = ttm_eu_reserve_buffers(&ticket, &head, true, NULL);
816 if (!bo->adev->uvd.address_64_bit) {
817 amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
818 amdgpu_uvd_force_into_uvd_segment(bo);
821 r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
825 r = amdgpu_ib_get(ring, NULL, 64, &ib);
829 addr = amdgpu_bo_gpu_offset(bo);
830 ib.ptr[0] = PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0);
832 ib.ptr[2] = PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0);
833 ib.ptr[3] = addr >> 32;
834 ib.ptr[4] = PACKET0(mmUVD_GPCOM_VCPU_CMD, 0);
836 for (i = 6; i < 16; ++i)
837 ib.ptr[i] = PACKET2(0);
840 r = amdgpu_ib_schedule(ring->adev, 1, &ib, AMDGPU_FENCE_OWNER_UNDEFINED);
843 ttm_eu_fence_buffer_objects(&ticket, &head, &ib.fence->base);
846 *fence = amdgpu_fence_ref(ib.fence);
848 amdgpu_ib_free(ring->adev, &ib);
849 amdgpu_bo_unref(&bo);
853 ttm_eu_backoff_reservation(&ticket, &head);
857 /* multiple fence commands without any stream commands in between can
858 crash the vcpu so just try to emmit a dummy create/destroy msg to
860 int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
861 struct amdgpu_fence **fence)
863 struct amdgpu_device *adev = ring->adev;
864 struct amdgpu_bo *bo;
868 r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
869 AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, &bo);
873 r = amdgpu_bo_reserve(bo, false);
875 amdgpu_bo_unref(&bo);
879 r = amdgpu_bo_kmap(bo, (void **)&msg);
881 amdgpu_bo_unreserve(bo);
882 amdgpu_bo_unref(&bo);
886 /* stitch together an UVD create msg */
887 msg[0] = cpu_to_le32(0x00000de4);
888 msg[1] = cpu_to_le32(0x00000000);
889 msg[2] = cpu_to_le32(handle);
890 msg[3] = cpu_to_le32(0x00000000);
891 msg[4] = cpu_to_le32(0x00000000);
892 msg[5] = cpu_to_le32(0x00000000);
893 msg[6] = cpu_to_le32(0x00000000);
894 msg[7] = cpu_to_le32(0x00000780);
895 msg[8] = cpu_to_le32(0x00000440);
896 msg[9] = cpu_to_le32(0x00000000);
897 msg[10] = cpu_to_le32(0x01b37000);
898 for (i = 11; i < 1024; ++i)
899 msg[i] = cpu_to_le32(0x0);
901 amdgpu_bo_kunmap(bo);
902 amdgpu_bo_unreserve(bo);
904 return amdgpu_uvd_send_msg(ring, bo, fence);
907 int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
908 struct amdgpu_fence **fence)
910 struct amdgpu_device *adev = ring->adev;
911 struct amdgpu_bo *bo;
915 r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
916 AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, &bo);
920 r = amdgpu_bo_reserve(bo, false);
922 amdgpu_bo_unref(&bo);
926 r = amdgpu_bo_kmap(bo, (void **)&msg);
928 amdgpu_bo_unreserve(bo);
929 amdgpu_bo_unref(&bo);
933 /* stitch together an UVD destroy msg */
934 msg[0] = cpu_to_le32(0x00000de4);
935 msg[1] = cpu_to_le32(0x00000002);
936 msg[2] = cpu_to_le32(handle);
937 msg[3] = cpu_to_le32(0x00000000);
938 for (i = 4; i < 1024; ++i)
939 msg[i] = cpu_to_le32(0x0);
941 amdgpu_bo_kunmap(bo);
942 amdgpu_bo_unreserve(bo);
944 return amdgpu_uvd_send_msg(ring, bo, fence);
947 static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
949 struct amdgpu_device *adev =
950 container_of(work, struct amdgpu_device, uvd.idle_work.work);
951 unsigned i, fences, handles = 0;
953 fences = amdgpu_fence_count_emitted(&adev->uvd.ring);
955 for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i)
956 if (atomic_read(&adev->uvd.handles[i]))
959 if (fences == 0 && handles == 0) {
960 if (adev->pm.dpm_enabled) {
961 amdgpu_dpm_enable_uvd(adev, false);
963 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
966 schedule_delayed_work(&adev->uvd.idle_work,
967 msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS));
971 static void amdgpu_uvd_note_usage(struct amdgpu_device *adev)
973 bool set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
974 set_clocks &= schedule_delayed_work(&adev->uvd.idle_work,
975 msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS));
978 if (adev->pm.dpm_enabled) {
979 amdgpu_dpm_enable_uvd(adev, true);
981 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);