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drm/amdgpu: add uvd enc ring test

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Add UVD encode ring test functions. And enable UVD encode ring test
during UVD encode hardware initialization.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-and-Tested-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu 2017-09-29 16:40:12 -04:00 committed by Alex Deucher
parent c259ee6e30
commit 2a91f272e3
1 changed files with 54 additions and 1 deletions
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55
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
View File

@ -155,6 +155,46 @@ static void uvd_v6_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
lower_32_bits(ring->wptr));
}
/**
* uvd_v6_0_enc_ring_test_ring - test if UVD ENC ring is working
*
* @ring: the engine to test on
*
*/
static int uvd_v6_0_enc_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: uvd enc failed to lock ring %d (%d).\n",
ring->idx, r);
return r;
}
amdgpu_ring_write(ring, HEVC_ENC_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;
}
static int uvd_v6_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@ -252,7 +292,7 @@ static int uvd_v6_0_hw_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.ring;
uint32_t tmp;
int r;
int i, r;
amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);
uvd_v6_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE);
@ -292,6 +332,18 @@ static int uvd_v6_0_hw_init(void *handle)
amdgpu_ring_commit(ring);
if (uvd_v6_0_enc_support(adev)) {
for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
ring = &adev->uvd.ring_enc[i];
ring->ready = true;
r = amdgpu_ring_test_ring(ring);
if (r) {
ring->ready = false;
goto done;
}
}
}
done:
if (!r) {
if (uvd_v6_0_enc_support(adev))
@ -1359,6 +1411,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_enc_ring_vm_funcs = {
.emit_fence = uvd_v6_0_enc_ring_emit_fence,
.emit_vm_flush = uvd_v6_0_enc_ring_emit_vm_flush,
.emit_pipeline_sync = uvd_v6_0_enc_ring_emit_pipeline_sync,
.test_ring = uvd_v6_0_enc_ring_test_ring,
.insert_nop = amdgpu_ring_insert_nop,
.insert_end = uvd_v6_0_enc_ring_insert_end,
.pad_ib = amdgpu_ring_generic_pad_ib,