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>
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@ -261,6 +261,13 @@ static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring)
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amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
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}
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static void cik_sdma_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
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{
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amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
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amdgpu_ring_write(ring, mmHDP_DEBUG0);
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amdgpu_ring_write(ring, 1);
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}
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/**
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* cik_sdma_ring_emit_fence - emit a fence on the DMA ring
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*
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@ -1286,6 +1293,7 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
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.emit_fence = cik_sdma_ring_emit_fence,
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.emit_vm_flush = cik_sdma_ring_emit_vm_flush,
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.emit_hdp_flush = cik_sdma_ring_emit_hdp_flush,
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.emit_hdp_invalidate = cik_sdma_ring_emit_hdp_invalidate,
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.test_ring = cik_sdma_ring_test_ring,
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.test_ib = cik_sdma_ring_test_ib,
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.insert_nop = cik_sdma_ring_insert_nop,
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