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authorChristian König <christian.koenig@amd.com>2015-09-05 11:59:50 +0200
committerAlex Deucher <alexander.deucher@amd.com>2015-09-21 17:02:07 -0400
commit67e6919b1a427e491a84b94658b4ef69d0b77633 (patch)
tree9805cb56c64613e94f24b5784b8f1ec8a066793c
parent5310ce0075725df387e505a79136c8df76ad0377 (diff)
drm/amdgpu: use write confirm for vm_flush()
Make sure the CP waits for the write to be confirmed before invalidating. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 0f979abca235..d6d330bc6daa 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -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));