diff options
| author | Monk Liu <Monk.Liu@amd.com> | 2016-05-25 16:55:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-06-09 10:48:57 -0400 |
| commit | 9a005bef5b5b5ceb78ff1138e6d6baf4bbeb8061 (patch) | |
| tree | 57fa06a005c638159021f5533c45d2c968bc36af /drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c | |
| parent | 768c95e70c4bd33b3da32a15dd33486246f4ca79 (diff) | |
drm/amdgpu: clear SA bo when created
This help fix reloading driver hang issue of SDMA
ring
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 8bf84efafb04..48618ee324eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -115,6 +115,7 @@ int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev, return r; } r = amdgpu_bo_kmap(sa_manager->bo, &sa_manager->cpu_ptr); + memset(sa_manager->cpu_ptr, 0, sa_manager->size); amdgpu_bo_unreserve(sa_manager->bo); return r; } |