From 6173040f167e2529c514765c6343abb55a4e0b44 Mon Sep 17 00:00:00 2001 From: Boyuan Zhang Date: Wed, 30 May 2018 15:56:43 -0400 Subject: [PATCH] drm/amdgpu: add vcn jpeg ib test MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add an ib test for vcn jpeg. Signed-off-by: Boyuan Zhang Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 86 +++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 1 + drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 2 +- 3 files changed, 88 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 0b97a72cc202..3f2a5e73e69f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -618,3 +618,89 @@ int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring) return r; } + +static int amdgpu_vcn_jpeg_set_reg(struct amdgpu_ring *ring, uint32_t handle, + struct dma_fence **fence) +{ + struct amdgpu_device *adev = ring->adev; + struct amdgpu_job *job; + struct amdgpu_ib *ib; + struct dma_fence *f = NULL; + const unsigned ib_size_dw = 16; + int i, r; + + r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); + if (r) + return r; + + ib = &job->ibs[0]; + + ib->ptr[0] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_PITCH), 0, 0, PACKETJ_TYPE0); + ib->ptr[1] = 0xDEADBEEF; + for (i = 2; i < 16; i += 2) { + ib->ptr[i] = PACKETJ(0, 0, 0, PACKETJ_TYPE6); + ib->ptr[i+1] = 0; + } + ib->length_dw = 16; + + r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); + job->fence = dma_fence_get(f); + if (r) + goto err; + + amdgpu_job_free(job); + if (fence) + *fence = dma_fence_get(f); + dma_fence_put(f); + + return 0; + +err: + amdgpu_job_free(job); + return r; +} + +int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t tmp = 0; + unsigned i; + struct dma_fence *fence = NULL; + long r = 0; + + r = amdgpu_vcn_jpeg_set_reg(ring, 1, &fence); + if (r) { + DRM_ERROR("amdgpu: failed to set jpeg register (%ld).\n", r); + goto error; + } + + r = dma_fence_wait_timeout(fence, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out.\n"); + r = -ETIMEDOUT; + goto error; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); + goto error; + } else + r = 0; + + for (i = 0; i < adev->usec_timeout; i++) { + tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_PITCH)); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + + if (i < adev->usec_timeout) + DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx); + else { + DRM_ERROR("ib test failed (0x%08X)\n", tmp); + r = -EINVAL; + } + + dma_fence_put(fence); + +error: + return r; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h index 0447faefb95a..0b0b8638d73f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h @@ -85,5 +85,6 @@ int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring); int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout); int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring); +int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout); #endif diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 5fc58de0c402..b82c92084b6f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -1713,7 +1713,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_jpeg_ring_vm_funcs = { .emit_fence = vcn_v1_0_jpeg_ring_emit_fence, .emit_vm_flush = vcn_v1_0_jpeg_ring_emit_vm_flush, .test_ring = amdgpu_vcn_jpeg_ring_test_ring, - //.test_ib + .test_ib = amdgpu_vcn_jpeg_ring_test_ib, .insert_nop = vcn_v1_0_jpeg_ring_nop, .insert_start = vcn_v1_0_jpeg_ring_insert_start, .insert_end = vcn_v1_0_jpeg_ring_insert_end, -- 2.30.2