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drm/amdgpu: add vcn jpeg ring test 

Add a ring test for vcn jpeg.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Boyuan Zhang 2018-05-30 15:49:51 -04:00 committed by Alex Deucher
parent 0c5e4b3e1e
commit b1d3760645
3 changed files with 43 additions and 1 deletions
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40
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
View File

@ -578,3 +578,43 @@ error:
dma_fence_put(fence);
return r;
}
int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t tmp = 0;
unsigned i;
int r;
WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
r = amdgpu_ring_alloc(ring, 3);
if (r) {
DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
ring->idx, r);
return r;
}
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0, 0, 0));
amdgpu_ring_write(ring, 0xDEADBEEF);
amdgpu_ring_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < adev->usec_timeout) {
DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
ring->idx, i);
} else {
DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
ring->idx, tmp);
r = -EINVAL;
}
return r;
}

2
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
View File

@ -84,4 +84,6 @@ int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
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);
#endif

2
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
View File

@ -1712,7 +1712,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_jpeg_ring_vm_funcs = {
.emit_ib = vcn_v1_0_jpeg_ring_emit_ib,
.emit_fence = vcn_v1_0_jpeg_ring_emit_fence,
.emit_vm_flush = vcn_v1_0_jpeg_ring_emit_vm_flush,
//.test_ring
.test_ring = amdgpu_vcn_jpeg_ring_test_ring,
//.test_ib
.insert_nop = vcn_v1_0_jpeg_ring_nop,
.insert_start = vcn_v1_0_jpeg_ring_insert_start,