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| author | Leo Liu <leo.liu@amd.com> | 2018-05-17 13:54:21 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-18 16:08:32 -0500 |
| commit | def139037bbf9195467fa83c0a299d666e6ed0bb (patch) | |
| tree | 8a49d87a792934e0beca461abf8ff3bc53b9bb89 /drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | |
| parent | 0232e30623f3761ce9350328d4d96cea8372b114 (diff) | |
| download | op-kernel-dev-def139037bbf9195467fa83c0a299d666e6ed0bb.zip op-kernel-dev-def139037bbf9195467fa83c0a299d666e6ed0bb.tar.gz | |
drm/amdgpu: fix insert nop for UVD4.2 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_v4_2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index 5f22135d..6fed3d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -524,6 +524,18 @@ static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, ib->length_dw); } +static void uvd_v4_2_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); + } +} + /** * uvd_v4_2_mc_resume - memory controller programming * @@ -733,7 +745,6 @@ static const struct amd_ip_funcs uvd_v4_2_ip_funcs = { static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = { .type = AMDGPU_RING_TYPE_UVD, .align_mask = 0xf, - .nop = PACKET0(mmUVD_NO_OP, 0), .support_64bit_ptrs = false, .get_rptr = uvd_v4_2_ring_get_rptr, .get_wptr = uvd_v4_2_ring_get_wptr, @@ -746,7 +757,7 @@ static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = { .emit_fence = uvd_v4_2_ring_emit_fence, .test_ring = uvd_v4_2_ring_test_ring, .test_ib = amdgpu_uvd_ring_test_ib, - .insert_nop = amdgpu_ring_insert_nop, + .insert_nop = uvd_v4_2_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .begin_use = amdgpu_uvd_ring_begin_use, .end_use = amdgpu_uvd_ring_end_use, |
