drm/amdgpu: fix no hdp flush for compute ring
No pfp on compute. Signed-off-by: monk.liu <monk.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com>
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@ -2376,6 +2376,7 @@ static int gfx_v7_0_ring_test_ring(struct amdgpu_ring *ring)
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static void gfx_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
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{
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u32 ref_and_mask;
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int usepfp = ring->type == AMDGPU_RING_TYPE_COMPUTE ? 0 : 1;
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if (ring->type == AMDGPU_RING_TYPE_COMPUTE) {
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switch (ring->me) {
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@ -2395,7 +2396,7 @@ static void gfx_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
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amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
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amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(1) | /* write, wait, write */
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WAIT_REG_MEM_FUNCTION(3) | /* == */
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WAIT_REG_MEM_ENGINE(1))); /* pfp */
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WAIT_REG_MEM_ENGINE(usepfp))); /* pfp or me */
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amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ);
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amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE);
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amdgpu_ring_write(ring, ref_and_mask);
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@ -5522,6 +5523,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
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.emit_semaphore = gfx_v7_0_ring_emit_semaphore,
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.emit_vm_flush = gfx_v7_0_ring_emit_vm_flush,
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.emit_gds_switch = gfx_v7_0_ring_emit_gds_switch,
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.emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush,
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.test_ring = gfx_v7_0_ring_test_ring,
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.test_ib = gfx_v7_0_ring_test_ib,
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.is_lockup = gfx_v7_0_ring_is_lockup,
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