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| author | Christian König <christian.koenig@amd.com> | 2018-05-08 12:26:52 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:44:24 -0500 |
| commit | 996cab955384122848d8132554de43dce0d3c8a2 (patch) | |
| tree | c302c56a0a8fe7b39e5051b3c023d16047566936 /drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | |
| parent | a50cb94819f81bfafb5dc5a605baba9b40ba3243 (diff) | |
| download | op-kernel-dev-996cab955384122848d8132554de43dce0d3c8a2.zip op-kernel-dev-996cab955384122848d8132554de43dce0d3c8a2.tar.gz | |
drm/amdgpu: add HDP flush dummy for UVD 6/7
The UVD firmware doesn't seem to like the HDP flush here.
This worked for years without HDP flush, so just skip it.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c index 2251db4..b0de1e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c @@ -1136,6 +1136,16 @@ static void uvd_v7_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, } /** + * uvd_v7_0_ring_emit_hdp_flush - skip HDP flushing + * + * @ring: amdgpu_ring pointer + */ +static void uvd_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) +{ + /* The firmware doesn't seem to like touching registers at this point. */ +} + +/** * uvd_v7_0_ring_test_ring - register write test * * @ring: amdgpu_ring pointer @@ -1654,7 +1664,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = { .get_wptr = uvd_v7_0_ring_get_wptr, .set_wptr = uvd_v7_0_ring_set_wptr, .emit_frame_size = - 6 + 6 + /* hdp flush / invalidate */ + 6 + /* hdp invalidate */ SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 + 8 + /* uvd_v7_0_ring_emit_vm_flush */ @@ -1663,6 +1673,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = { .emit_ib = uvd_v7_0_ring_emit_ib, .emit_fence = uvd_v7_0_ring_emit_fence, .emit_vm_flush = uvd_v7_0_ring_emit_vm_flush, + .emit_hdp_flush = uvd_v7_0_ring_emit_hdp_flush, .test_ring = uvd_v7_0_ring_test_ring, .test_ib = amdgpu_uvd_ring_test_ib, .insert_nop = uvd_v7_0_ring_insert_nop, |
