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drm/amdgpu/gfx8: specify which engine to wait before vm flush

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Select between me and pfp properly.

Signed-off-by: Chunming Zhou <[email protected]>
Reviewed-by: Christian König <[email protected]>
Cc: [email protected]
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Chunming Zhou 2016-02-29 14:12:38 +08:00 • committed by Alex Deucher
commit 9cac537332
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -4809,7 +4809,8 @@ static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
WAIT_REG_MEM_FUNCTION(3))); /* equal */
WAIT_REG_MEM_FUNCTION(3) | /* equal */
WAIT_REG_MEM_ENGINE(usepfp))); /* pfp or me */
amdgpu_ring_write(ring, addr & 0xfffffffc);
amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
amdgpu_ring_write(ring, seq);