| /* |
| * Copyright 2011 Advanced Micro Devices, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| */ |
| /* |
| * Authors: |
| * Christian König <deathsimple@vodafone.de> |
| */ |
| |
| #include <linux/firmware.h> |
| #include <linux/module.h> |
| #include <drm/drmP.h> |
| #include <drm/drm.h> |
| |
| #include "amdgpu.h" |
| #include "amdgpu_pm.h" |
| #include "amdgpu_uvd.h" |
| #include "cikd.h" |
| #include "uvd/uvd_4_2_d.h" |
| |
| /* 1 second timeout */ |
| #define UVD_IDLE_TIMEOUT_MS 1000 |
| |
| /* Firmware Names */ |
| #ifdef CONFIG_DRM_AMDGPU_CIK |
| #define FIRMWARE_BONAIRE "radeon/bonaire_uvd.bin" |
| #define FIRMWARE_KABINI "radeon/kabini_uvd.bin" |
| #define FIRMWARE_KAVERI "radeon/kaveri_uvd.bin" |
| #define FIRMWARE_HAWAII "radeon/hawaii_uvd.bin" |
| #define FIRMWARE_MULLINS "radeon/mullins_uvd.bin" |
| #endif |
| #define FIRMWARE_TONGA "amdgpu/tonga_uvd.bin" |
| #define FIRMWARE_CARRIZO "amdgpu/carrizo_uvd.bin" |
| #define FIRMWARE_FIJI "amdgpu/fiji_uvd.bin" |
| #define FIRMWARE_STONEY "amdgpu/stoney_uvd.bin" |
| |
| /** |
| * amdgpu_uvd_cs_ctx - Command submission parser context |
| * |
| * Used for emulating virtual memory support on UVD 4.2. |
| */ |
| struct amdgpu_uvd_cs_ctx { |
| struct amdgpu_cs_parser *parser; |
| unsigned reg, count; |
| unsigned data0, data1; |
| unsigned idx; |
| unsigned ib_idx; |
| |
| /* does the IB has a msg command */ |
| bool has_msg_cmd; |
| |
| /* minimum buffer sizes */ |
| unsigned *buf_sizes; |
| }; |
| |
| #ifdef CONFIG_DRM_AMDGPU_CIK |
| MODULE_FIRMWARE(FIRMWARE_BONAIRE); |
| MODULE_FIRMWARE(FIRMWARE_KABINI); |
| MODULE_FIRMWARE(FIRMWARE_KAVERI); |
| MODULE_FIRMWARE(FIRMWARE_HAWAII); |
| MODULE_FIRMWARE(FIRMWARE_MULLINS); |
| #endif |
| MODULE_FIRMWARE(FIRMWARE_TONGA); |
| MODULE_FIRMWARE(FIRMWARE_CARRIZO); |
| MODULE_FIRMWARE(FIRMWARE_FIJI); |
| MODULE_FIRMWARE(FIRMWARE_STONEY); |
| |
| static void amdgpu_uvd_note_usage(struct amdgpu_device *adev); |
| static void amdgpu_uvd_idle_work_handler(struct work_struct *work); |
| |
| int amdgpu_uvd_sw_init(struct amdgpu_device *adev) |
| { |
| struct amdgpu_ring *ring; |
| struct amd_sched_rq *rq; |
| unsigned long bo_size; |
| const char *fw_name; |
| const struct common_firmware_header *hdr; |
| unsigned version_major, version_minor, family_id; |
| int i, r; |
| |
| INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler); |
| |
| switch (adev->asic_type) { |
| #ifdef CONFIG_DRM_AMDGPU_CIK |
| case CHIP_BONAIRE: |
| fw_name = FIRMWARE_BONAIRE; |
| break; |
| case CHIP_KABINI: |
| fw_name = FIRMWARE_KABINI; |
| break; |
| case CHIP_KAVERI: |
| fw_name = FIRMWARE_KAVERI; |
| break; |
| case CHIP_HAWAII: |
| fw_name = FIRMWARE_HAWAII; |
| break; |
| case CHIP_MULLINS: |
| fw_name = FIRMWARE_MULLINS; |
| break; |
| #endif |
| case CHIP_TONGA: |
| fw_name = FIRMWARE_TONGA; |
| break; |
| case CHIP_FIJI: |
| fw_name = FIRMWARE_FIJI; |
| break; |
| case CHIP_CARRIZO: |
| fw_name = FIRMWARE_CARRIZO; |
| break; |
| case CHIP_STONEY: |
| fw_name = FIRMWARE_STONEY; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| r = request_firmware(&adev->uvd.fw, fw_name, adev->dev); |
| if (r) { |
| dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n", |
| fw_name); |
| return r; |
| } |
| |
| r = amdgpu_ucode_validate(adev->uvd.fw); |
| if (r) { |
| dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n", |
| fw_name); |
| release_firmware(adev->uvd.fw); |
| adev->uvd.fw = NULL; |
| return r; |
| } |
| |
| hdr = (const struct common_firmware_header *)adev->uvd.fw->data; |
| family_id = le32_to_cpu(hdr->ucode_version) & 0xff; |
| version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff; |
| version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff; |
| DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n", |
| version_major, version_minor, family_id); |
| |
| bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8) |
| + AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE; |
| r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true, |
| AMDGPU_GEM_DOMAIN_VRAM, |
| AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, |
| NULL, NULL, &adev->uvd.vcpu_bo); |
| if (r) { |
| dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r); |
| return r; |
| } |
| |
| r = amdgpu_bo_reserve(adev->uvd.vcpu_bo, false); |
| if (r) { |
| amdgpu_bo_unref(&adev->uvd.vcpu_bo); |
| dev_err(adev->dev, "(%d) failed to reserve UVD bo\n", r); |
| return r; |
| } |
| |
| r = amdgpu_bo_pin(adev->uvd.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM, |
| &adev->uvd.gpu_addr); |
| if (r) { |
| amdgpu_bo_unreserve(adev->uvd.vcpu_bo); |
| amdgpu_bo_unref(&adev->uvd.vcpu_bo); |
| dev_err(adev->dev, "(%d) UVD bo pin failed\n", r); |
| return r; |
| } |
| |
| r = amdgpu_bo_kmap(adev->uvd.vcpu_bo, &adev->uvd.cpu_addr); |
| if (r) { |
| dev_err(adev->dev, "(%d) UVD map failed\n", r); |
| return r; |
| } |
| |
| amdgpu_bo_unreserve(adev->uvd.vcpu_bo); |
| |
| ring = &adev->uvd.ring; |
| rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL]; |
| r = amd_sched_entity_init(&ring->sched, &adev->uvd.entity, |
| rq, amdgpu_sched_jobs); |
| if (r != 0) { |
| DRM_ERROR("Failed setting up UVD run queue.\n"); |
| return r; |
| } |
| |
| for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { |
| atomic_set(&adev->uvd.handles[i], 0); |
| adev->uvd.filp[i] = NULL; |
| } |
| |
| /* from uvd v5.0 HW addressing capacity increased to 64 bits */ |
| if (!amdgpu_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0)) |
| adev->uvd.address_64_bit = true; |
| |
| return 0; |
| } |
| |
| int amdgpu_uvd_sw_fini(struct amdgpu_device *adev) |
| { |
| int r; |
| |
| if (adev->uvd.vcpu_bo == NULL) |
| return 0; |
| |
| amd_sched_entity_fini(&adev->uvd.ring.sched, &adev->uvd.entity); |
| |
| r = amdgpu_bo_reserve(adev->uvd.vcpu_bo, false); |
| if (!r) { |
| amdgpu_bo_kunmap(adev->uvd.vcpu_bo); |
| amdgpu_bo_unpin(adev->uvd.vcpu_bo); |
| amdgpu_bo_unreserve(adev->uvd.vcpu_bo); |
| } |
| |
| amdgpu_bo_unref(&adev->uvd.vcpu_bo); |
| |
| amdgpu_ring_fini(&adev->uvd.ring); |
| |
| release_firmware(adev->uvd.fw); |
| |
| return 0; |
| } |
| |
| int amdgpu_uvd_suspend(struct amdgpu_device *adev) |
| { |
| unsigned size; |
| void *ptr; |
| int i; |
| |
| if (adev->uvd.vcpu_bo == NULL) |
| return 0; |
| |
| for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) |
| if (atomic_read(&adev->uvd.handles[i])) |
| break; |
| |
| if (i == AMDGPU_MAX_UVD_HANDLES) |
| return 0; |
| |
| size = amdgpu_bo_size(adev->uvd.vcpu_bo); |
| ptr = adev->uvd.cpu_addr; |
| |
| adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); |
| if (!adev->uvd.saved_bo) |
| return -ENOMEM; |
| |
| memcpy(adev->uvd.saved_bo, ptr, size); |
| |
| return 0; |
| } |
| |
| int amdgpu_uvd_resume(struct amdgpu_device *adev) |
| { |
| unsigned size; |
| void *ptr; |
| |
| if (adev->uvd.vcpu_bo == NULL) |
| return -EINVAL; |
| |
| size = amdgpu_bo_size(adev->uvd.vcpu_bo); |
| ptr = adev->uvd.cpu_addr; |
| |
| if (adev->uvd.saved_bo != NULL) { |
| memcpy(ptr, adev->uvd.saved_bo, size); |
| kfree(adev->uvd.saved_bo); |
| adev->uvd.saved_bo = NULL; |
| } else { |
| const struct common_firmware_header *hdr; |
| unsigned offset; |
| |
| hdr = (const struct common_firmware_header *)adev->uvd.fw->data; |
| offset = le32_to_cpu(hdr->ucode_array_offset_bytes); |
| memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset, |
| (adev->uvd.fw->size) - offset); |
| size -= le32_to_cpu(hdr->ucode_size_bytes); |
| ptr += le32_to_cpu(hdr->ucode_size_bytes); |
| memset(ptr, 0, size); |
| } |
| |
| return 0; |
| } |
| |
| void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp) |
| { |
| struct amdgpu_ring *ring = &adev->uvd.ring; |
| int i, r; |
| |
| for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { |
| uint32_t handle = atomic_read(&adev->uvd.handles[i]); |
| if (handle != 0 && adev->uvd.filp[i] == filp) { |
| struct fence *fence; |
| |
| amdgpu_uvd_note_usage(adev); |
| |
| r = amdgpu_uvd_get_destroy_msg(ring, handle, |
| false, &fence); |
| if (r) { |
| DRM_ERROR("Error destroying UVD (%d)!\n", r); |
| continue; |
| } |
| |
| fence_wait(fence, false); |
| fence_put(fence); |
| |
| adev->uvd.filp[i] = NULL; |
| atomic_set(&adev->uvd.handles[i], 0); |
| } |
| } |
| } |
| |
| static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *rbo) |
| { |
| int i; |
| for (i = 0; i < rbo->placement.num_placement; ++i) { |
| rbo->placements[i].fpfn = 0 >> PAGE_SHIFT; |
| rbo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT; |
| } |
| } |
| |
| /** |
| * amdgpu_uvd_cs_pass1 - first parsing round |
| * |
| * @ctx: UVD parser context |
| * |
| * Make sure UVD message and feedback buffers are in VRAM and |
| * nobody is violating an 256MB boundary. |
| */ |
| static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx) |
| { |
| struct amdgpu_bo_va_mapping *mapping; |
| struct amdgpu_bo *bo; |
| uint32_t cmd, lo, hi; |
| uint64_t addr; |
| int r = 0; |
| |
| lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0); |
| hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1); |
| addr = ((uint64_t)lo) | (((uint64_t)hi) << 32); |
| |
| mapping = amdgpu_cs_find_mapping(ctx->parser, addr, &bo); |
| if (mapping == NULL) { |
| DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr); |
| return -EINVAL; |
| } |
| |
| if (!ctx->parser->adev->uvd.address_64_bit) { |
| /* check if it's a message or feedback command */ |
| cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1; |
| if (cmd == 0x0 || cmd == 0x3) { |
| /* yes, force it into VRAM */ |
| uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM; |
| amdgpu_ttm_placement_from_domain(bo, domain); |
| } |
| amdgpu_uvd_force_into_uvd_segment(bo); |
| |
| r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false); |
| } |
| |
| return r; |
| } |
| |
| /** |
| * amdgpu_uvd_cs_msg_decode - handle UVD decode message |
| * |
| * @msg: pointer to message structure |
| * @buf_sizes: returned buffer sizes |
| * |
| * Peek into the decode message and calculate the necessary buffer sizes. |
| */ |
| static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) |
| { |
| unsigned stream_type = msg[4]; |
| unsigned width = msg[6]; |
| unsigned height = msg[7]; |
| unsigned dpb_size = msg[9]; |
| unsigned pitch = msg[28]; |
| unsigned level = msg[57]; |
| |
| unsigned width_in_mb = width / 16; |
| unsigned height_in_mb = ALIGN(height / 16, 2); |
| unsigned fs_in_mb = width_in_mb * height_in_mb; |
| |
| unsigned image_size, tmp, min_dpb_size, num_dpb_buffer; |
| unsigned min_ctx_size = 0; |
| |
| image_size = width * height; |
| image_size += image_size / 2; |
| image_size = ALIGN(image_size, 1024); |
| |
| switch (stream_type) { |
| case 0: /* H264 */ |
| case 7: /* H264 Perf */ |
| switch(level) { |
| case 30: |
| num_dpb_buffer = 8100 / fs_in_mb; |
| break; |
| case 31: |
| num_dpb_buffer = 18000 / fs_in_mb; |
| break; |
| case 32: |
| num_dpb_buffer = 20480 / fs_in_mb; |
| break; |
| case 41: |
| num_dpb_buffer = 32768 / fs_in_mb; |
| break; |
| case 42: |
| num_dpb_buffer = 34816 / fs_in_mb; |
| break; |
| case 50: |
| num_dpb_buffer = 110400 / fs_in_mb; |
| break; |
| case 51: |
| num_dpb_buffer = 184320 / fs_in_mb; |
| break; |
| default: |
| num_dpb_buffer = 184320 / fs_in_mb; |
| break; |
| } |
| num_dpb_buffer++; |
| if (num_dpb_buffer > 17) |
| num_dpb_buffer = 17; |
| |
| /* reference picture buffer */ |
| min_dpb_size = image_size * num_dpb_buffer; |
| |
| /* macroblock context buffer */ |
| min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192; |
| |
| /* IT surface buffer */ |
| min_dpb_size += width_in_mb * height_in_mb * 32; |
| break; |
| |
| case 1: /* VC1 */ |
| |
| /* reference picture buffer */ |
| min_dpb_size = image_size * 3; |
| |
| /* CONTEXT_BUFFER */ |
| min_dpb_size += width_in_mb * height_in_mb * 128; |
| |
| /* IT surface buffer */ |
| min_dpb_size += width_in_mb * 64; |
| |
| /* DB surface buffer */ |
| min_dpb_size += width_in_mb * 128; |
| |
| /* BP */ |
| tmp = max(width_in_mb, height_in_mb); |
| min_dpb_size += ALIGN(tmp * 7 * 16, 64); |
| break; |
| |
| case 3: /* MPEG2 */ |
| |
| /* reference picture buffer */ |
| min_dpb_size = image_size * 3; |
| break; |
| |
| case 4: /* MPEG4 */ |
| |
| /* reference picture buffer */ |
| min_dpb_size = image_size * 3; |
| |
| /* CM */ |
| min_dpb_size += width_in_mb * height_in_mb * 64; |
| |
| /* IT surface buffer */ |
| min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64); |
| break; |
| |
| case 16: /* H265 */ |
| image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2; |
| image_size = ALIGN(image_size, 256); |
| |
| num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2; |
| min_dpb_size = image_size * num_dpb_buffer; |
| min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16) |
| * 16 * num_dpb_buffer + 52 * 1024; |
| break; |
| |
| default: |
| DRM_ERROR("UVD codec not handled %d!\n", stream_type); |
| return -EINVAL; |
| } |
| |
| if (width > pitch) { |
| DRM_ERROR("Invalid UVD decoding target pitch!\n"); |
| return -EINVAL; |
| } |
| |
| if (dpb_size < min_dpb_size) { |
| DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n", |
| dpb_size, min_dpb_size); |
| return -EINVAL; |
| } |
| |
| buf_sizes[0x1] = dpb_size; |
| buf_sizes[0x2] = image_size; |
| buf_sizes[0x4] = min_ctx_size; |
| return 0; |
| } |
| |
| /** |
| * amdgpu_uvd_cs_msg - handle UVD message |
| * |
| * @ctx: UVD parser context |
| * @bo: buffer object containing the message |
| * @offset: offset into the buffer object |
| * |
| * Peek into the UVD message and extract the session id. |
| * Make sure that we don't open up to many sessions. |
| */ |
| static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx, |
| struct amdgpu_bo *bo, unsigned offset) |
| { |
| struct amdgpu_device *adev = ctx->parser->adev; |
| int32_t *msg, msg_type, handle; |
| void *ptr; |
| long r; |
| int i; |
| |
| if (offset & 0x3F) { |
| DRM_ERROR("UVD messages must be 64 byte aligned!\n"); |
| return -EINVAL; |
| } |
| |
| r = amdgpu_bo_kmap(bo, &ptr); |
| if (r) { |
| DRM_ERROR("Failed mapping the UVD message (%ld)!\n", r); |
| return r; |
| } |
| |
| msg = ptr + offset; |
| |
| msg_type = msg[1]; |
| handle = msg[2]; |
| |
| if (handle == 0) { |
| DRM_ERROR("Invalid UVD handle!\n"); |
| return -EINVAL; |
| } |
| |
| switch (msg_type) { |
| case 0: |
| /* it's a create msg, calc image size (width * height) */ |
| amdgpu_bo_kunmap(bo); |
| |
| /* try to alloc a new handle */ |
| for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { |
| if (atomic_read(&adev->uvd.handles[i]) == handle) { |
| DRM_ERROR("Handle 0x%x already in use!\n", handle); |
| return -EINVAL; |
| } |
| |
| if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) { |
| adev->uvd.filp[i] = ctx->parser->filp; |
| return 0; |
| } |
| } |
| |
| DRM_ERROR("No more free UVD handles!\n"); |
| return -EINVAL; |
| |
| case 1: |
| /* it's a decode msg, calc buffer sizes */ |
| r = amdgpu_uvd_cs_msg_decode(msg, ctx->buf_sizes); |
| amdgpu_bo_kunmap(bo); |
| if (r) |
| return r; |
| |
| /* validate the handle */ |
| for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { |
| if (atomic_read(&adev->uvd.handles[i]) == handle) { |
| if (adev->uvd.filp[i] != ctx->parser->filp) { |
| DRM_ERROR("UVD handle collision detected!\n"); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| } |
| |
| DRM_ERROR("Invalid UVD handle 0x%x!\n", handle); |
| return -ENOENT; |
| |
| case 2: |
| /* it's a destroy msg, free the handle */ |
| for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) |
| atomic_cmpxchg(&adev->uvd.handles[i], handle, 0); |
| amdgpu_bo_kunmap(bo); |
| return 0; |
| |
| default: |
| DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); |
| return -EINVAL; |
| } |
| BUG(); |
| return -EINVAL; |
| } |
| |
| /** |
| * amdgpu_uvd_cs_pass2 - second parsing round |
| * |
| * @ctx: UVD parser context |
| * |
| * Patch buffer addresses, make sure buffer sizes are correct. |
| */ |
| static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx) |
| { |
| struct amdgpu_bo_va_mapping *mapping; |
| struct amdgpu_bo *bo; |
| uint32_t cmd, lo, hi; |
| uint64_t start, end; |
| uint64_t addr; |
| int r; |
| |
| lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0); |
| hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1); |
| addr = ((uint64_t)lo) | (((uint64_t)hi) << 32); |
| |
| mapping = amdgpu_cs_find_mapping(ctx->parser, addr, &bo); |
| if (mapping == NULL) |
| return -EINVAL; |
| |
| start = amdgpu_bo_gpu_offset(bo); |
| |
| end = (mapping->it.last + 1 - mapping->it.start); |
| end = end * AMDGPU_GPU_PAGE_SIZE + start; |
| |
| addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE; |
| start += addr; |
| |
| amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0, |
| lower_32_bits(start)); |
| amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data1, |
| upper_32_bits(start)); |
| |
| cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1; |
| if (cmd < 0x4) { |
| if ((end - start) < ctx->buf_sizes[cmd]) { |
| DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, |
| (unsigned)(end - start), |
| ctx->buf_sizes[cmd]); |
| return -EINVAL; |
| } |
| |
| } else if (cmd == 0x206) { |
| if ((end - start) < ctx->buf_sizes[4]) { |
| DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, |
| (unsigned)(end - start), |
| ctx->buf_sizes[4]); |
| return -EINVAL; |
| } |
| } else if ((cmd != 0x100) && (cmd != 0x204)) { |
| DRM_ERROR("invalid UVD command %X!\n", cmd); |
| return -EINVAL; |
| } |
| |
| if (!ctx->parser->adev->uvd.address_64_bit) { |
| if ((start >> 28) != ((end - 1) >> 28)) { |
| DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n", |
| start, end); |
| return -EINVAL; |
| } |
| |
| if ((cmd == 0 || cmd == 0x3) && |
| (start >> 28) != (ctx->parser->adev->uvd.gpu_addr >> 28)) { |
| DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n", |
| start, end); |
| return -EINVAL; |
| } |
| } |
| |
| if (cmd == 0) { |
| ctx->has_msg_cmd = true; |
| r = amdgpu_uvd_cs_msg(ctx, bo, addr); |
| if (r) |
| return r; |
| } else if (!ctx->has_msg_cmd) { |
| DRM_ERROR("Message needed before other commands are send!\n"); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * amdgpu_uvd_cs_reg - parse register writes |
| * |
| * @ctx: UVD parser context |
| * @cb: callback function |
| * |
| * Parse the register writes, call cb on each complete command. |
| */ |
| static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx, |
| int (*cb)(struct amdgpu_uvd_cs_ctx *ctx)) |
| { |
| struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx]; |
| int i, r; |
| |
| ctx->idx++; |
| for (i = 0; i <= ctx->count; ++i) { |
| unsigned reg = ctx->reg + i; |
| |
| if (ctx->idx >= ib->length_dw) { |
| DRM_ERROR("Register command after end of CS!\n"); |
| return -EINVAL; |
| } |
| |
| switch (reg) { |
| case mmUVD_GPCOM_VCPU_DATA0: |
| ctx->data0 = ctx->idx; |
| break; |
| case mmUVD_GPCOM_VCPU_DATA1: |
| ctx->data1 = ctx->idx; |
| break; |
| case mmUVD_GPCOM_VCPU_CMD: |
| r = cb(ctx); |
| if (r) |
| return r; |
| break; |
| case mmUVD_ENGINE_CNTL: |
| break; |
| default: |
| DRM_ERROR("Invalid reg 0x%X!\n", reg); |
| return -EINVAL; |
| } |
| ctx->idx++; |
| } |
| return 0; |
| } |
| |
| /** |
| * amdgpu_uvd_cs_packets - parse UVD packets |
| * |
| * @ctx: UVD parser context |
| * @cb: callback function |
| * |
| * Parse the command stream packets. |
| */ |
| static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx, |
| int (*cb)(struct amdgpu_uvd_cs_ctx *ctx)) |
| { |
| struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx]; |
| int r; |
| |
| for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) { |
| uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx); |
| unsigned type = CP_PACKET_GET_TYPE(cmd); |
| switch (type) { |
| case PACKET_TYPE0: |
| ctx->reg = CP_PACKET0_GET_REG(cmd); |
| ctx->count = CP_PACKET_GET_COUNT(cmd); |
| r = amdgpu_uvd_cs_reg(ctx, cb); |
| if (r) |
| return r; |
| break; |
| case PACKET_TYPE2: |
| ++ctx->idx; |
| break; |
| default: |
| DRM_ERROR("Unknown packet type %d !\n", type); |
| return -EINVAL; |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * amdgpu_uvd_ring_parse_cs - UVD command submission parser |
| * |
| * @parser: Command submission parser context |
| * |
| * Parse the command stream, patch in addresses as necessary. |
| */ |
| int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx) |
| { |
| struct amdgpu_uvd_cs_ctx ctx = {}; |
| unsigned buf_sizes[] = { |
| [0x00000000] = 2048, |
| [0x00000001] = 0xFFFFFFFF, |
| [0x00000002] = 0xFFFFFFFF, |
| [0x00000003] = 2048, |
| [0x00000004] = 0xFFFFFFFF, |
| }; |
| struct amdgpu_ib *ib = &parser->job->ibs[ib_idx]; |
| int r; |
| |
| if (ib->length_dw % 16) { |
| DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n", |
| ib->length_dw); |
| return -EINVAL; |
| } |
| |
| ctx.parser = parser; |
| ctx.buf_sizes = buf_sizes; |
| ctx.ib_idx = ib_idx; |
| |
| /* first round, make sure the buffers are actually in the UVD segment */ |
| r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1); |
| if (r) |
| return r; |
| |
| /* second round, patch buffer addresses into the command stream */ |
| r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2); |
| if (r) |
| return r; |
| |
| if (!ctx.has_msg_cmd) { |
| DRM_ERROR("UVD-IBs need a msg command!\n"); |
| return -EINVAL; |
| } |
| |
| amdgpu_uvd_note_usage(ctx.parser->adev); |
| |
| return 0; |
| } |
| |
| static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo, |
| bool direct, struct fence **fence) |
| { |
| struct ttm_validate_buffer tv; |
| struct ww_acquire_ctx ticket; |
| struct list_head head; |
| struct amdgpu_job *job; |
| struct amdgpu_ib *ib; |
| struct fence *f = NULL; |
| struct amdgpu_device *adev = ring->adev; |
| uint64_t addr; |
| int i, r; |
| |
| memset(&tv, 0, sizeof(tv)); |
| tv.bo = &bo->tbo; |
| |
| INIT_LIST_HEAD(&head); |
| list_add(&tv.head, &head); |
| |
| r = ttm_eu_reserve_buffers(&ticket, &head, true, NULL); |
| if (r) |
| return r; |
| |
| if (!bo->adev->uvd.address_64_bit) { |
| amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM); |
| amdgpu_uvd_force_into_uvd_segment(bo); |
| } |
| |
| r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false); |
| if (r) |
| goto err; |
| |
| r = amdgpu_job_alloc_with_ib(adev, 64, &job); |
| if (r) |
| goto err; |
| |
| ib = &job->ibs[0]; |
| addr = amdgpu_bo_gpu_offset(bo); |
| ib->ptr[0] = PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0); |
| ib->ptr[1] = addr; |
| ib->ptr[2] = PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0); |
| ib->ptr[3] = addr >> 32; |
| ib->ptr[4] = PACKET0(mmUVD_GPCOM_VCPU_CMD, 0); |
| ib->ptr[5] = 0; |
| for (i = 6; i < 16; ++i) |
| ib->ptr[i] = PACKET2(0); |
| ib->length_dw = 16; |
| |
| if (direct) { |
| r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); |
| job->fence = f; |
| if (r) |
| goto err_free; |
| |
| amdgpu_job_free(job); |
| } else { |
| r = amdgpu_job_submit(job, ring, &adev->uvd.entity, |
| AMDGPU_FENCE_OWNER_UNDEFINED, &f); |
| if (r) |
| goto err_free; |
| } |
| |
| ttm_eu_fence_buffer_objects(&ticket, &head, f); |
| |
| if (fence) |
| *fence = fence_get(f); |
| amdgpu_bo_unref(&bo); |
| fence_put(f); |
| |
| return 0; |
| |
| err_free: |
| amdgpu_job_free(job); |
| |
| err: |
| ttm_eu_backoff_reservation(&ticket, &head); |
| return r; |
| } |
| |
| /* multiple fence commands without any stream commands in between can |
| crash the vcpu so just try to emmit a dummy create/destroy msg to |
| avoid this */ |
| int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, |
| struct fence **fence) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| struct amdgpu_bo *bo; |
| uint32_t *msg; |
| int r, i; |
| |
| r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true, |
| AMDGPU_GEM_DOMAIN_VRAM, |
| AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, |
| NULL, NULL, &bo); |
| if (r) |
| return r; |
| |
| r = amdgpu_bo_reserve(bo, false); |
| if (r) { |
| amdgpu_bo_unref(&bo); |
| return r; |
| } |
| |
| r = amdgpu_bo_kmap(bo, (void **)&msg); |
| if (r) { |
| amdgpu_bo_unreserve(bo); |
| amdgpu_bo_unref(&bo); |
| return r; |
| } |
| |
| /* stitch together an UVD create msg */ |
| msg[0] = cpu_to_le32(0x00000de4); |
| msg[1] = cpu_to_le32(0x00000000); |
| msg[2] = cpu_to_le32(handle); |
| msg[3] = cpu_to_le32(0x00000000); |
| msg[4] = cpu_to_le32(0x00000000); |
| msg[5] = cpu_to_le32(0x00000000); |
| msg[6] = cpu_to_le32(0x00000000); |
| msg[7] = cpu_to_le32(0x00000780); |
| msg[8] = cpu_to_le32(0x00000440); |
| msg[9] = cpu_to_le32(0x00000000); |
| msg[10] = cpu_to_le32(0x01b37000); |
| for (i = 11; i < 1024; ++i) |
| msg[i] = cpu_to_le32(0x0); |
| |
| amdgpu_bo_kunmap(bo); |
| amdgpu_bo_unreserve(bo); |
| |
| return amdgpu_uvd_send_msg(ring, bo, true, fence); |
| } |
| |
| int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, |
| bool direct, struct fence **fence) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| struct amdgpu_bo *bo; |
| uint32_t *msg; |
| int r, i; |
| |
| r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true, |
| AMDGPU_GEM_DOMAIN_VRAM, |
| AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, |
| NULL, NULL, &bo); |
| if (r) |
| return r; |
| |
| r = amdgpu_bo_reserve(bo, false); |
| if (r) { |
| amdgpu_bo_unref(&bo); |
| return r; |
| } |
| |
| r = amdgpu_bo_kmap(bo, (void **)&msg); |
| if (r) { |
| amdgpu_bo_unreserve(bo); |
| amdgpu_bo_unref(&bo); |
| return r; |
| } |
| |
| /* stitch together an UVD destroy msg */ |
| msg[0] = cpu_to_le32(0x00000de4); |
| msg[1] = cpu_to_le32(0x00000002); |
| msg[2] = cpu_to_le32(handle); |
| msg[3] = cpu_to_le32(0x00000000); |
| for (i = 4; i < 1024; ++i) |
| msg[i] = cpu_to_le32(0x0); |
| |
| amdgpu_bo_kunmap(bo); |
| amdgpu_bo_unreserve(bo); |
| |
| return amdgpu_uvd_send_msg(ring, bo, direct, fence); |
| } |
| |
| static void amdgpu_uvd_idle_work_handler(struct work_struct *work) |
| { |
| struct amdgpu_device *adev = |
| container_of(work, struct amdgpu_device, uvd.idle_work.work); |
| unsigned i, fences, handles = 0; |
| |
| fences = amdgpu_fence_count_emitted(&adev->uvd.ring); |
| |
| for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) |
| if (atomic_read(&adev->uvd.handles[i])) |
| ++handles; |
| |
| if (fences == 0 && handles == 0) { |
| if (adev->pm.dpm_enabled) { |
| amdgpu_dpm_enable_uvd(adev, false); |
| } else { |
| amdgpu_asic_set_uvd_clocks(adev, 0, 0); |
| } |
| } else { |
| schedule_delayed_work(&adev->uvd.idle_work, |
| msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS)); |
| } |
| } |
| |
| static void amdgpu_uvd_note_usage(struct amdgpu_device *adev) |
| { |
| bool set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work); |
| set_clocks &= schedule_delayed_work(&adev->uvd.idle_work, |
| msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS)); |
| |
| if (set_clocks) { |
| if (adev->pm.dpm_enabled) { |
| amdgpu_dpm_enable_uvd(adev, true); |
| } else { |
| amdgpu_asic_set_uvd_clocks(adev, 53300, 40000); |
| } |
| } |
| } |