summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
diff options
context:
space:
mode:
authorMonk Liu <Monk.Liu@amd.com>2017-02-08 16:51:06 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-03-29 23:53:14 -0400
commitf6bd79424cd02f5726c294916d9afb3cf031080c (patch)
treef4ed9e0b213d631532ec7b49d66b16f34fcc6970 /drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
parentc79ecfbf5bba298ab5716536fa9cb68533bb5c26 (diff)
downloadlinux-f6bd79424cd02f5726c294916d9afb3cf031080c.tar.bz2
drm/amdgpu:use clear_ring to clr RB
In resume routine, we need clr RB prior to the ring test of engine, otherwise some engine hang duplicated during GPU reset. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 47e6f146aa25..1ac876fe3d5a 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -615,6 +615,7 @@ static int sdma_v3_0_gfx_resume(struct amdgpu_device *adev)
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
+ amdgpu_ring_clear_ring(ring);
wb_offset = (ring->rptr_offs * 4);
mutex_lock(&adev->srbm_mutex);