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| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-03-03 07:05:44 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-08 19:01:42 +0300 |
| commit | 498dd97ddbc47fdb8a5e3bf4df8a77893b8b07a2 (patch) | |
| tree | d74bb992a957365e00585b9d69048a73b395e277 /drivers/gpu/drm/amd/amdgpu/cik_sdma.c | |
| parent | d35db5617a75b3c77a61008e8fbf249ab8c24e5e (diff) | |
| download | linux-498dd97ddbc47fdb8a5e3bf4df8a77893b8b07a2.tar.xz | |
drm/amdgpu: add hdp invalidation for cik sdma
Signed-off-by: Chunming Zhou <David1.Zhou@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/cik_sdma.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index 6cf45b0ff91b..c4101ebd2b3f 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -261,6 +261,13 @@ static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring) amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */ } +static void cik_sdma_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) +{ + amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + amdgpu_ring_write(ring, mmHDP_DEBUG0); + amdgpu_ring_write(ring, 1); +} + /** * cik_sdma_ring_emit_fence - emit a fence on the DMA ring * @@ -1286,6 +1293,7 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = { .emit_fence = cik_sdma_ring_emit_fence, .emit_vm_flush = cik_sdma_ring_emit_vm_flush, .emit_hdp_flush = cik_sdma_ring_emit_hdp_flush, + .emit_hdp_invalidate = cik_sdma_ring_emit_hdp_invalidate, .test_ring = cik_sdma_ring_test_ring, .test_ib = cik_sdma_ring_test_ib, .insert_nop = cik_sdma_ring_insert_nop, |