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authorMonk Liu <[email protected]>2016-05-25 08:55:07 +0000
committerAlex Deucher <[email protected]>2016-06-09 14:48:57 +0000
commit9a005bef5b5b5ceb78ff1138e6d6baf4bbeb8061 (patch)
tree57fa06a005c638159021f5533c45d2c968bc36af /drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
parentdrm/amdgpu: fix fw leak in non-powerplay dpm code (diff)
downloadkernel-9a005bef5b5b5ceb78ff1138e6d6baf4bbeb8061.tar.gz
kernel-9a005bef5b5b5ceb78ff1138e6d6baf4bbeb8061.zip
drm/amdgpu: clear SA bo when created
This help fix reloading driver hang issue of SDMA ring Signed-off-by: Monk Liu <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c1
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;
}