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Commit 498dd97d authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add hdp invalidation for cik sdma 



Signed-off-by: default avatarChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d35db561

drivers/gpu/drm/amd/amdgpu/cik_sdma.c

+8 −0
Original line number Diff line number Diff line
@@ -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,