| /* |
| * Copyright 2013 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 <christian.koenig@amd.com> |
| */ |
| |
| #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_vce.h" |
| #include "cikd.h" |
| |
| /* 1 second timeout */ |
| #define VCE_IDLE_TIMEOUT_MS 1000 |
| |
| /* Firmware Names */ |
| #ifdef CONFIG_DRM_AMDGPU_CIK |
| #define FIRMWARE_BONAIRE "radeon/bonaire_vce.bin" |
| #define FIRMWARE_KABINI "radeon/kabini_vce.bin" |
| #define FIRMWARE_KAVERI "radeon/kaveri_vce.bin" |
| #define FIRMWARE_HAWAII "radeon/hawaii_vce.bin" |
| #define FIRMWARE_MULLINS "radeon/mullins_vce.bin" |
| #endif |
| #define FIRMWARE_TONGA "amdgpu/tonga_vce.bin" |
| #define FIRMWARE_CARRIZO "amdgpu/carrizo_vce.bin" |
| #define FIRMWARE_FIJI "amdgpu/fiji_vce.bin" |
| #define FIRMWARE_STONEY "amdgpu/stoney_vce.bin" |
| |
| #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_vce_idle_work_handler(struct work_struct *work); |
| |
| /** |
| * amdgpu_vce_init - allocate memory, load vce firmware |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * First step to get VCE online, allocate memory and load the firmware |
| */ |
| int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) |
| { |
| const char *fw_name; |
| const struct common_firmware_header *hdr; |
| unsigned ucode_version, version_major, version_minor, binary_id; |
| int i, r; |
| |
| INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); |
| |
| switch (adev->asic_type) { |
| #ifdef CONFIG_DRM_AMDGPU_CIK |
| case CHIP_BONAIRE: |
| fw_name = FIRMWARE_BONAIRE; |
| break; |
| case CHIP_KAVERI: |
| fw_name = FIRMWARE_KAVERI; |
| break; |
| case CHIP_KABINI: |
| fw_name = FIRMWARE_KABINI; |
| 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_CARRIZO: |
| fw_name = FIRMWARE_CARRIZO; |
| break; |
| case CHIP_FIJI: |
| fw_name = FIRMWARE_FIJI; |
| break; |
| case CHIP_STONEY: |
| fw_name = FIRMWARE_STONEY; |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| |
| r = request_firmware(&adev->vce.fw, fw_name, adev->dev); |
| if (r) { |
| dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n", |
| fw_name); |
| return r; |
| } |
| |
| r = amdgpu_ucode_validate(adev->vce.fw); |
| if (r) { |
| dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n", |
| fw_name); |
| release_firmware(adev->vce.fw); |
| adev->vce.fw = NULL; |
| return r; |
| } |
| |
| hdr = (const struct common_firmware_header *)adev->vce.fw->data; |
| |
| ucode_version = le32_to_cpu(hdr->ucode_version); |
| version_major = (ucode_version >> 20) & 0xfff; |
| version_minor = (ucode_version >> 8) & 0xfff; |
| binary_id = ucode_version & 0xff; |
| DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n", |
| version_major, version_minor, binary_id); |
| adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) | |
| (binary_id << 8)); |
| |
| /* allocate firmware, stack and heap BO */ |
| |
| r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, |
| AMDGPU_GEM_DOMAIN_VRAM, |
| AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, |
| NULL, NULL, &adev->vce.vcpu_bo); |
| if (r) { |
| dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r); |
| return r; |
| } |
| |
| r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false); |
| if (r) { |
| amdgpu_bo_unref(&adev->vce.vcpu_bo); |
| dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r); |
| return r; |
| } |
| |
| r = amdgpu_bo_pin(adev->vce.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM, |
| &adev->vce.gpu_addr); |
| amdgpu_bo_unreserve(adev->vce.vcpu_bo); |
| if (r) { |
| amdgpu_bo_unref(&adev->vce.vcpu_bo); |
| dev_err(adev->dev, "(%d) VCE bo pin failed\n", r); |
| return r; |
| } |
| |
| for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { |
| atomic_set(&adev->vce.handles[i], 0); |
| adev->vce.filp[i] = NULL; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * amdgpu_vce_fini - free memory |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * Last step on VCE teardown, free firmware memory |
| */ |
| int amdgpu_vce_sw_fini(struct amdgpu_device *adev) |
| { |
| if (adev->vce.vcpu_bo == NULL) |
| return 0; |
| |
| amdgpu_bo_unref(&adev->vce.vcpu_bo); |
| |
| amdgpu_ring_fini(&adev->vce.ring[0]); |
| amdgpu_ring_fini(&adev->vce.ring[1]); |
| |
| release_firmware(adev->vce.fw); |
| |
| return 0; |
| } |
| |
| /** |
| * amdgpu_vce_suspend - unpin VCE fw memory |
| * |
| * @adev: amdgpu_device pointer |
| * |
| */ |
| int amdgpu_vce_suspend(struct amdgpu_device *adev) |
| { |
| int i; |
| |
| if (adev->vce.vcpu_bo == NULL) |
| return 0; |
| |
| for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) |
| if (atomic_read(&adev->vce.handles[i])) |
| break; |
| |
| if (i == AMDGPU_MAX_VCE_HANDLES) |
| return 0; |
| |
| /* TODO: suspending running encoding sessions isn't supported */ |
| return -EINVAL; |
| } |
| |
| /** |
| * amdgpu_vce_resume - pin VCE fw memory |
| * |
| * @adev: amdgpu_device pointer |
| * |
| */ |
| int amdgpu_vce_resume(struct amdgpu_device *adev) |
| { |
| void *cpu_addr; |
| const struct common_firmware_header *hdr; |
| unsigned offset; |
| int r; |
| |
| if (adev->vce.vcpu_bo == NULL) |
| return -EINVAL; |
| |
| r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false); |
| if (r) { |
| dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r); |
| return r; |
| } |
| |
| r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr); |
| if (r) { |
| amdgpu_bo_unreserve(adev->vce.vcpu_bo); |
| dev_err(adev->dev, "(%d) VCE map failed\n", r); |
| return r; |
| } |
| |
| hdr = (const struct common_firmware_header *)adev->vce.fw->data; |
| offset = le32_to_cpu(hdr->ucode_array_offset_bytes); |
| memcpy(cpu_addr, (adev->vce.fw->data) + offset, |
| (adev->vce.fw->size) - offset); |
| |
| amdgpu_bo_kunmap(adev->vce.vcpu_bo); |
| |
| amdgpu_bo_unreserve(adev->vce.vcpu_bo); |
| |
| return 0; |
| } |
| |
| /** |
| * amdgpu_vce_idle_work_handler - power off VCE |
| * |
| * @work: pointer to work structure |
| * |
| * power of VCE when it's not used any more |
| */ |
| static void amdgpu_vce_idle_work_handler(struct work_struct *work) |
| { |
| struct amdgpu_device *adev = |
| container_of(work, struct amdgpu_device, vce.idle_work.work); |
| |
| if ((amdgpu_fence_count_emitted(&adev->vce.ring[0]) == 0) && |
| (amdgpu_fence_count_emitted(&adev->vce.ring[1]) == 0)) { |
| if (adev->pm.dpm_enabled) { |
| amdgpu_dpm_enable_vce(adev, false); |
| } else { |
| amdgpu_asic_set_vce_clocks(adev, 0, 0); |
| } |
| } else { |
| schedule_delayed_work(&adev->vce.idle_work, |
| msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); |
| } |
| } |
| |
| /** |
| * amdgpu_vce_note_usage - power up VCE |
| * |
| * @adev: amdgpu_device pointer |
| * |
| * Make sure VCE is powerd up when we want to use it |
| */ |
| static void amdgpu_vce_note_usage(struct amdgpu_device *adev) |
| { |
| bool streams_changed = false; |
| bool set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); |
| set_clocks &= schedule_delayed_work(&adev->vce.idle_work, |
| msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); |
| |
| if (adev->pm.dpm_enabled) { |
| /* XXX figure out if the streams changed */ |
| streams_changed = false; |
| } |
| |
| if (set_clocks || streams_changed) { |
| if (adev->pm.dpm_enabled) { |
| amdgpu_dpm_enable_vce(adev, true); |
| } else { |
| amdgpu_asic_set_vce_clocks(adev, 53300, 40000); |
| } |
| } |
| } |
| |
| /** |
| * amdgpu_vce_free_handles - free still open VCE handles |
| * |
| * @adev: amdgpu_device pointer |
| * @filp: drm file pointer |
| * |
| * Close all VCE handles still open by this file pointer |
| */ |
| void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) |
| { |
| struct amdgpu_ring *ring = &adev->vce.ring[0]; |
| int i, r; |
| for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { |
| uint32_t handle = atomic_read(&adev->vce.handles[i]); |
| if (!handle || adev->vce.filp[i] != filp) |
| continue; |
| |
| amdgpu_vce_note_usage(adev); |
| |
| r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL); |
| if (r) |
| DRM_ERROR("Error destroying VCE handle (%d)!\n", r); |
| |
| adev->vce.filp[i] = NULL; |
| atomic_set(&adev->vce.handles[i], 0); |
| } |
| } |
| |
| /** |
| * amdgpu_vce_get_create_msg - generate a VCE create msg |
| * |
| * @adev: amdgpu_device pointer |
| * @ring: ring we should submit the msg to |
| * @handle: VCE session handle to use |
| * @fence: optional fence to return |
| * |
| * Open up a stream for HW test |
| */ |
| int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, |
| struct fence **fence) |
| { |
| const unsigned ib_size_dw = 1024; |
| struct amdgpu_job *job; |
| struct amdgpu_ib *ib; |
| struct fence *f = NULL; |
| uint64_t dummy; |
| int i, r; |
| |
| r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); |
| if (r) |
| return r; |
| |
| ib = &job->ibs[0]; |
| |
| dummy = ib->gpu_addr + 1024; |
| |
| /* stitch together an VCE create msg */ |
| ib->length_dw = 0; |
| ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ |
| ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ |
| ib->ptr[ib->length_dw++] = handle; |
| |
| if ((ring->adev->vce.fw_version >> 24) >= 52) |
| ib->ptr[ib->length_dw++] = 0x00000040; /* len */ |
| else |
| ib->ptr[ib->length_dw++] = 0x00000030; /* len */ |
| ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */ |
| ib->ptr[ib->length_dw++] = 0x00000000; |
| ib->ptr[ib->length_dw++] = 0x00000042; |
| ib->ptr[ib->length_dw++] = 0x0000000a; |
| ib->ptr[ib->length_dw++] = 0x00000001; |
| ib->ptr[ib->length_dw++] = 0x00000080; |
| ib->ptr[ib->length_dw++] = 0x00000060; |
| ib->ptr[ib->length_dw++] = 0x00000100; |
| ib->ptr[ib->length_dw++] = 0x00000100; |
| ib->ptr[ib->length_dw++] = 0x0000000c; |
| ib->ptr[ib->length_dw++] = 0x00000000; |
| if ((ring->adev->vce.fw_version >> 24) >= 52) { |
| ib->ptr[ib->length_dw++] = 0x00000000; |
| ib->ptr[ib->length_dw++] = 0x00000000; |
| ib->ptr[ib->length_dw++] = 0x00000000; |
| ib->ptr[ib->length_dw++] = 0x00000000; |
| } |
| |
| ib->ptr[ib->length_dw++] = 0x00000014; /* len */ |
| ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ |
| ib->ptr[ib->length_dw++] = upper_32_bits(dummy); |
| ib->ptr[ib->length_dw++] = dummy; |
| ib->ptr[ib->length_dw++] = 0x00000001; |
| |
| for (i = ib->length_dw; i < ib_size_dw; ++i) |
| ib->ptr[i] = 0x0; |
| |
| r = amdgpu_ib_schedule(ring, 1, ib, AMDGPU_FENCE_OWNER_UNDEFINED, |
| NULL, &f); |
| if (r) |
| goto err; |
| |
| amdgpu_job_free(job); |
| if (fence) |
| *fence = fence_get(f); |
| fence_put(f); |
| return 0; |
| |
| err: |
| amdgpu_job_free(job); |
| return r; |
| } |
| |
| /** |
| * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg |
| * |
| * @adev: amdgpu_device pointer |
| * @ring: ring we should submit the msg to |
| * @handle: VCE session handle to use |
| * @fence: optional fence to return |
| * |
| * Close up a stream for HW test or if userspace failed to do so |
| */ |
| int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, |
| bool direct, struct fence **fence) |
| { |
| const unsigned ib_size_dw = 1024; |
| struct amdgpu_job *job; |
| struct amdgpu_ib *ib; |
| struct fence *f = NULL; |
| uint64_t dummy; |
| int i, r; |
| |
| r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); |
| if (r) |
| return r; |
| |
| ib = &job->ibs[0]; |
| dummy = ib->gpu_addr + 1024; |
| |
| /* stitch together an VCE destroy msg */ |
| ib->length_dw = 0; |
| ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ |
| ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ |
| ib->ptr[ib->length_dw++] = handle; |
| |
| ib->ptr[ib->length_dw++] = 0x00000014; /* len */ |
| ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ |
| ib->ptr[ib->length_dw++] = upper_32_bits(dummy); |
| ib->ptr[ib->length_dw++] = dummy; |
| ib->ptr[ib->length_dw++] = 0x00000001; |
| |
| ib->ptr[ib->length_dw++] = 0x00000008; /* len */ |
| ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */ |
| |
| for (i = ib->length_dw; i < ib_size_dw; ++i) |
| ib->ptr[i] = 0x0; |
| |
| if (direct) { |
| r = amdgpu_ib_schedule(ring, 1, ib, |
| AMDGPU_FENCE_OWNER_UNDEFINED, |
| NULL, &f); |
| if (r) |
| goto err; |
| |
| amdgpu_job_free(job); |
| } else { |
| r = amdgpu_job_submit(job, ring, NULL, |
| AMDGPU_FENCE_OWNER_UNDEFINED, &f); |
| if (r) |
| goto err; |
| } |
| |
| if (fence) |
| *fence = fence_get(f); |
| fence_put(f); |
| return 0; |
| |
| err: |
| amdgpu_job_free(job); |
| return r; |
| } |
| |
| /** |
| * amdgpu_vce_cs_reloc - command submission relocation |
| * |
| * @p: parser context |
| * @lo: address of lower dword |
| * @hi: address of higher dword |
| * @size: minimum size |
| * |
| * Patch relocation inside command stream with real buffer address |
| */ |
| static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx, |
| int lo, int hi, unsigned size, uint32_t index) |
| { |
| struct amdgpu_bo_va_mapping *mapping; |
| struct amdgpu_bo *bo; |
| uint64_t addr; |
| |
| if (index == 0xffffffff) |
| index = 0; |
| |
| addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) | |
| ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32; |
| addr += ((uint64_t)size) * ((uint64_t)index); |
| |
| mapping = amdgpu_cs_find_mapping(p, addr, &bo); |
| if (mapping == NULL) { |
| DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n", |
| addr, lo, hi, size, index); |
| return -EINVAL; |
| } |
| |
| if ((addr + (uint64_t)size) > |
| ((uint64_t)mapping->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) { |
| DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n", |
| addr, lo, hi); |
| return -EINVAL; |
| } |
| |
| addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE; |
| addr += amdgpu_bo_gpu_offset(bo); |
| addr -= ((uint64_t)size) * ((uint64_t)index); |
| |
| amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr)); |
| amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr)); |
| |
| return 0; |
| } |
| |
| /** |
| * amdgpu_vce_validate_handle - validate stream handle |
| * |
| * @p: parser context |
| * @handle: handle to validate |
| * @allocated: allocated a new handle? |
| * |
| * Validates the handle and return the found session index or -EINVAL |
| * we we don't have another free session index. |
| */ |
| static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, |
| uint32_t handle, bool *allocated) |
| { |
| unsigned i; |
| |
| *allocated = false; |
| |
| /* validate the handle */ |
| for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { |
| if (atomic_read(&p->adev->vce.handles[i]) == handle) { |
| if (p->adev->vce.filp[i] != p->filp) { |
| DRM_ERROR("VCE handle collision detected!\n"); |
| return -EINVAL; |
| } |
| return i; |
| } |
| } |
| |
| /* handle not found try to alloc a new one */ |
| for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { |
| if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) { |
| p->adev->vce.filp[i] = p->filp; |
| p->adev->vce.img_size[i] = 0; |
| *allocated = true; |
| return i; |
| } |
| } |
| |
| DRM_ERROR("No more free VCE handles!\n"); |
| return -EINVAL; |
| } |
| |
| /** |
| * amdgpu_vce_cs_parse - parse and validate the command stream |
| * |
| * @p: parser context |
| * |
| */ |
| int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) |
| { |
| struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; |
| unsigned fb_idx = 0, bs_idx = 0; |
| int session_idx = -1; |
| bool destroyed = false; |
| bool created = false; |
| bool allocated = false; |
| uint32_t tmp, handle = 0; |
| uint32_t *size = &tmp; |
| int i, r = 0, idx = 0; |
| |
| amdgpu_vce_note_usage(p->adev); |
| |
| while (idx < ib->length_dw) { |
| uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); |
| uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); |
| |
| if ((len < 8) || (len & 3)) { |
| DRM_ERROR("invalid VCE command length (%d)!\n", len); |
| r = -EINVAL; |
| goto out; |
| } |
| |
| if (destroyed) { |
| DRM_ERROR("No other command allowed after destroy!\n"); |
| r = -EINVAL; |
| goto out; |
| } |
| |
| switch (cmd) { |
| case 0x00000001: // session |
| handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); |
| session_idx = amdgpu_vce_validate_handle(p, handle, |
| &allocated); |
| if (session_idx < 0) |
| return session_idx; |
| size = &p->adev->vce.img_size[session_idx]; |
| break; |
| |
| case 0x00000002: // task info |
| fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6); |
| bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7); |
| break; |
| |
| case 0x01000001: // create |
| created = true; |
| if (!allocated) { |
| DRM_ERROR("Handle already in use!\n"); |
| r = -EINVAL; |
| goto out; |
| } |
| |
| *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) * |
| amdgpu_get_ib_value(p, ib_idx, idx + 10) * |
| 8 * 3 / 2; |
| break; |
| |
| case 0x04000001: // config extension |
| case 0x04000002: // pic control |
| case 0x04000005: // rate control |
| case 0x04000007: // motion estimation |
| case 0x04000008: // rdo |
| case 0x04000009: // vui |
| case 0x05000002: // auxiliary buffer |
| break; |
| |
| case 0x03000001: // encode |
| r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9, |
| *size, 0); |
| if (r) |
| goto out; |
| |
| r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11, |
| *size / 3, 0); |
| if (r) |
| goto out; |
| break; |
| |
| case 0x02000001: // destroy |
| destroyed = true; |
| break; |
| |
| case 0x05000001: // context buffer |
| r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, |
| *size * 2, 0); |
| if (r) |
| goto out; |
| break; |
| |
| case 0x05000004: // video bitstream buffer |
| tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4); |
| r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, |
| tmp, bs_idx); |
| if (r) |
| goto out; |
| break; |
| |
| case 0x05000005: // feedback buffer |
| r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, |
| 4096, fb_idx); |
| if (r) |
| goto out; |
| break; |
| |
| default: |
| DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); |
| r = -EINVAL; |
| goto out; |
| } |
| |
| if (session_idx == -1) { |
| DRM_ERROR("no session command at start of IB\n"); |
| r = -EINVAL; |
| goto out; |
| } |
| |
| idx += len / 4; |
| } |
| |
| if (allocated && !created) { |
| DRM_ERROR("New session without create command!\n"); |
| r = -ENOENT; |
| } |
| |
| out: |
| if ((!r && destroyed) || (r && allocated)) { |
| /* |
| * IB contains a destroy msg or we have allocated an |
| * handle and got an error, anyway free the handle |
| */ |
| for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) |
| atomic_cmpxchg(&p->adev->vce.handles[i], handle, 0); |
| } |
| |
| return r; |
| } |
| |
| /** |
| * amdgpu_vce_ring_emit_ib - execute indirect buffer |
| * |
| * @ring: engine to use |
| * @ib: the IB to execute |
| * |
| */ |
| void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) |
| { |
| amdgpu_ring_write(ring, VCE_CMD_IB); |
| amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); |
| amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); |
| amdgpu_ring_write(ring, ib->length_dw); |
| } |
| |
| /** |
| * amdgpu_vce_ring_emit_fence - add a fence command to the ring |
| * |
| * @ring: engine to use |
| * @fence: the fence |
| * |
| */ |
| void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, |
| unsigned flags) |
| { |
| WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); |
| |
| amdgpu_ring_write(ring, VCE_CMD_FENCE); |
| amdgpu_ring_write(ring, addr); |
| amdgpu_ring_write(ring, upper_32_bits(addr)); |
| amdgpu_ring_write(ring, seq); |
| amdgpu_ring_write(ring, VCE_CMD_TRAP); |
| amdgpu_ring_write(ring, VCE_CMD_END); |
| } |
| |
| /** |
| * amdgpu_vce_ring_test_ring - test if VCE ring is working |
| * |
| * @ring: the engine to test on |
| * |
| */ |
| int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) |
| { |
| struct amdgpu_device *adev = ring->adev; |
| uint32_t rptr = amdgpu_ring_get_rptr(ring); |
| unsigned i; |
| int r; |
| |
| r = amdgpu_ring_alloc(ring, 16); |
| if (r) { |
| DRM_ERROR("amdgpu: vce failed to lock ring %d (%d).\n", |
| ring->idx, r); |
| return r; |
| } |
| amdgpu_ring_write(ring, VCE_CMD_END); |
| amdgpu_ring_commit(ring); |
| |
| for (i = 0; i < adev->usec_timeout; i++) { |
| if (amdgpu_ring_get_rptr(ring) != rptr) |
| break; |
| DRM_UDELAY(1); |
| } |
| |
| if (i < adev->usec_timeout) { |
| DRM_INFO("ring test on %d succeeded in %d usecs\n", |
| ring->idx, i); |
| } else { |
| DRM_ERROR("amdgpu: ring %d test failed\n", |
| ring->idx); |
| r = -ETIMEDOUT; |
| } |
| |
| return r; |
| } |
| |
| /** |
| * amdgpu_vce_ring_test_ib - test if VCE IBs are working |
| * |
| * @ring: the engine to test on |
| * |
| */ |
| int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring) |
| { |
| struct fence *fence = NULL; |
| int r; |
| |
| /* skip vce ring1 ib test for now, since it's not reliable */ |
| if (ring == &ring->adev->vce.ring[1]) |
| return 0; |
| |
| r = amdgpu_vce_get_create_msg(ring, 1, NULL); |
| if (r) { |
| DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r); |
| goto error; |
| } |
| |
| r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); |
| if (r) { |
| DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r); |
| goto error; |
| } |
| |
| r = fence_wait(fence, false); |
| if (r) { |
| DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); |
| } else { |
| DRM_INFO("ib test on ring %d succeeded\n", ring->idx); |
| } |
| error: |
| fence_put(fence); |
| return r; |
| } |