Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-27 13:22:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: clear SA bo when created

Browse Source 
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>
This commit is contained in:
Monk Liu 2016-05-25 16:55:07 +08:00 committed by Alex Deucher
parent 768c95e70c
commit 9a005bef5b
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
View File

@ -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;
}