diff options
| author | Leo Liu <leo.liu@amd.com> | 2018-05-17 20:52:00 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-19 00:08:32 +0300 |
| commit | 0232e30623f3761ce9350328d4d96cea8372b114 (patch) | |
| tree | 76d6f53a05150a5c59761be4c57561d0f5754a21 /drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | |
| parent | 1aac3c918036d6bb0075281d431da3844a058d00 (diff) | |
| download | linux-0232e30623f3761ce9350328d4d96cea8372b114.tar.xz | |
drm/amdgpu: fix insert nop for UVD5 ring
NO_OP register should be writen to 0
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index f5d074a887fc..341ee6d55ce8 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -541,6 +541,18 @@ static void uvd_v5_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, ib->length_dw); } +static void uvd_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) +{ + int i; + + WARN_ON(ring->wptr % 2 || count % 2); + + for (i = 0; i < count / 2; i++) { + amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0)); + amdgpu_ring_write(ring, 0); + } +} + static bool uvd_v5_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -841,7 +853,6 @@ static const struct amd_ip_funcs uvd_v5_0_ip_funcs = { static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { .type = AMDGPU_RING_TYPE_UVD, .align_mask = 0xf, - .nop = PACKET0(mmUVD_NO_OP, 0), .support_64bit_ptrs = false, .get_rptr = uvd_v5_0_ring_get_rptr, .get_wptr = uvd_v5_0_ring_get_wptr, @@ -854,7 +865,7 @@ static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { .emit_fence = uvd_v5_0_ring_emit_fence, .test_ring = uvd_v5_0_ring_test_ring, .test_ib = amdgpu_uvd_ring_test_ib, - .insert_nop = amdgpu_ring_insert_nop, + .insert_nop = uvd_v5_0_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .begin_use = amdgpu_uvd_ring_begin_use, .end_use = amdgpu_uvd_ring_end_use, |