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| author | Leo Liu <leo.liu@amd.com> | 2018-05-17 19:31:49 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-18 23:08:31 +0200 |
| commit | 6ee21dbfe9a79edf6f09d5f3ab1f3c4f0699dbf2 (patch) | |
| tree | eef5102c2ee663150cf4b8a327ca123847550a19 /drivers/gpu | |
| parent | drm/amd/pp: Fix build warning in vegam (diff) | |
| download | linux-6ee21dbfe9a79edf6f09d5f3ab1f3c4f0699dbf2.tar.xz linux-6ee21dbfe9a79edf6f09d5f3ab1f3c4f0699dbf2.zip | |
drm/amdgpu: fix insert nop for VCN decode 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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 0501746b6c2c..7fbbdb1e58da 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -1048,14 +1048,17 @@ static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev, return 0; } -static void vcn_v1_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) +static void vcn_v1_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) { - int i; struct amdgpu_device *adev = ring->adev; + int i; - for (i = 0; i < count; i++) - amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0)); + WARN_ON(ring->wptr % 2 || count % 2); + for (i = 0; i < count / 2; i++) { + amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0)); + amdgpu_ring_write(ring, 0); + } } @@ -1082,7 +1085,6 @@ static const struct amd_ip_funcs vcn_v1_0_ip_funcs = { static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = { .type = AMDGPU_RING_TYPE_VCN_DEC, .align_mask = 0xf, - .nop = PACKET0(0x81ff, 0), .support_64bit_ptrs = false, .vmhub = AMDGPU_MMHUB, .get_rptr = vcn_v1_0_dec_ring_get_rptr, @@ -1101,7 +1103,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = { .emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush, .test_ring = amdgpu_vcn_dec_ring_test_ring, .test_ib = amdgpu_vcn_dec_ring_test_ib, - .insert_nop = vcn_v1_0_ring_insert_nop, + .insert_nop = vcn_v1_0_dec_ring_insert_nop, .insert_start = vcn_v1_0_dec_ring_insert_start, .insert_end = vcn_v1_0_dec_ring_insert_end, .pad_ib = amdgpu_ring_generic_pad_ib, |