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Commit 9cac5373 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
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drm/amdgpu/gfx8: specify which engine to wait before vm flush 



Select between me and pfp properly.

Signed-off-by: default avatarChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent feebe91a

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

+2 −1
Original line number Diff line number Diff line
@@ -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);