diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 151 |
1 files changed, 140 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 7e19a6656715..1c97244e0d74 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -456,6 +456,37 @@ int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring) return r; } +int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t rptr; + unsigned int i; + int r; + + if (amdgpu_sriov_vf(adev)) + return 0; + + r = amdgpu_ring_alloc(ring, 16); + if (r) + return r; + + rptr = amdgpu_ring_get_rptr(ring); + + amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END); + amdgpu_ring_commit(ring); + + for (i = 0; i < adev->usec_timeout; i++) { + if (amdgpu_ring_get_rptr(ring) != rptr) + break; + udelay(1); + } + + if (i >= adev->usec_timeout) + r = -ETIMEDOUT; + + return r; +} + static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo, struct dma_fence **fence) @@ -510,16 +541,16 @@ err: } static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, - struct dma_fence **fence) + struct amdgpu_bo **bo) { struct amdgpu_device *adev = ring->adev; - struct amdgpu_bo *bo = NULL; uint32_t *msg; int r, i; + *bo = NULL; r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, - &bo, NULL, (void **)&msg); + bo, NULL, (void **)&msg); if (r) return r; @@ -540,20 +571,20 @@ static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t hand for (i = 14; i < 1024; ++i) msg[i] = cpu_to_le32(0x0); - return amdgpu_vcn_dec_send_msg(ring, bo, fence); + return 0; } static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, - struct dma_fence **fence) + struct amdgpu_bo **bo) { struct amdgpu_device *adev = ring->adev; - struct amdgpu_bo *bo = NULL; uint32_t *msg; int r, i; + *bo = NULL; r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, - &bo, NULL, (void **)&msg); + bo, NULL, (void **)&msg); if (r) return r; @@ -566,19 +597,117 @@ static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han for (i = 6; i < 1024; ++i) msg[i] = cpu_to_le32(0x0); - return amdgpu_vcn_dec_send_msg(ring, bo, fence); + return 0; } int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout) { - struct dma_fence *fence; + struct dma_fence *fence = NULL; + struct amdgpu_bo *bo; long r; - r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL); + r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo); + if (r) + goto error; + + r = amdgpu_vcn_dec_send_msg(ring, bo, NULL); + if (r) + goto error; + r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo); + if (r) + goto error; + + r = amdgpu_vcn_dec_send_msg(ring, bo, &fence); + if (r) + goto error; + + r = dma_fence_wait_timeout(fence, false, timeout); + if (r == 0) + r = -ETIMEDOUT; + else if (r > 0) + r = 0; + + dma_fence_put(fence); +error: + return r; +} + +static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring, + struct amdgpu_bo *bo, + struct dma_fence **fence) +{ + struct amdgpu_vcn_decode_buffer *decode_buffer = NULL; + const unsigned int ib_size_dw = 64; + struct amdgpu_device *adev = ring->adev; + struct dma_fence *f = NULL; + struct amdgpu_job *job; + struct amdgpu_ib *ib; + uint64_t addr; + int i, r; + + r = amdgpu_job_alloc_with_ib(adev, ib_size_dw * 4, + AMDGPU_IB_POOL_DIRECT, &job); + if (r) + goto err; + + ib = &job->ibs[0]; + addr = amdgpu_bo_gpu_offset(bo); + ib->length_dw = 0; + + ib->ptr[ib->length_dw++] = sizeof(struct amdgpu_vcn_decode_buffer) + 8; + ib->ptr[ib->length_dw++] = cpu_to_le32(AMDGPU_VCN_IB_FLAG_DECODE_BUFFER); + decode_buffer = (struct amdgpu_vcn_decode_buffer *)&(ib->ptr[ib->length_dw]); + ib->length_dw += sizeof(struct amdgpu_vcn_decode_buffer) / 4; + memset(decode_buffer, 0, sizeof(struct amdgpu_vcn_decode_buffer)); + + decode_buffer->valid_buf_flag |= cpu_to_le32(AMDGPU_VCN_CMD_FLAG_MSG_BUFFER); + decode_buffer->msg_buffer_address_hi = cpu_to_le32(addr >> 32); + decode_buffer->msg_buffer_address_lo = cpu_to_le32(addr); + + for (i = ib->length_dw; i < ib_size_dw; ++i) + ib->ptr[i] = 0x0; + + r = amdgpu_job_submit_direct(job, ring, &f); + if (r) + goto err_free; + + amdgpu_bo_fence(bo, f, false); + amdgpu_bo_unreserve(bo); + amdgpu_bo_unref(&bo); + + if (fence) + *fence = dma_fence_get(f); + dma_fence_put(f); + + return 0; + +err_free: + amdgpu_job_free(job); + +err: + amdgpu_bo_unreserve(bo); + amdgpu_bo_unref(&bo); + return r; +} + +int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout) +{ + struct dma_fence *fence = NULL; + struct amdgpu_bo *bo; + long r; + + r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo); + if (r) + goto error; + + r = amdgpu_vcn_dec_sw_send_msg(ring, bo, NULL); + if (r) + goto error; + r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo); if (r) goto error; - r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence); + r = amdgpu_vcn_dec_sw_send_msg(ring, bo, &fence); if (r) goto error; |