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authorChristian König <christian.koenig@amd.com>2015-09-05 11:59:50 +0200
committerAlex Deucher <alexander.deucher@amd.com>2015-09-23 17:23:30 -0400
commit20a85ff846ffed84fba8637abbb6b1c96436c0ac (patch)
treeb42b4d3d176fac0a3838f283b5ed629320de3f06 /drivers/gpu
parent22c01cc48301f6974868bd4a7b03e29883da1103 (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>
Diffstat (limited to 'drivers/gpu')
-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));