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Commit 20a85ff8 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: use write confirm for vm_flush() 



Make sure the CP waits for the write to be confirmed before
invalidating.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 22c01cc4

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

+2 −1
Original line number Diff line number Diff line
@@ -4059,7 +4059,8 @@ static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 


	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));

	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |

				 WRITE_DATA_DST_SEL(0)));

				 WRITE_DATA_DST_SEL(0)) |

				 WR_CONFIRM);

	if (vm_id < 8) {

		amdgpu_ring_write(ring,

				  (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id));