openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amdgpu: clarify why we evict vram twice on suspend 

Update the comment to explain why we do this.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-10-10 12:41:36 -04:00
parent db9635cc14
commit a0a71e49f5
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -1982,7 +1982,10 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
r = amdgpu_suspend(adev);
/* evict remaining vram memory */
/* evict remaining vram memory
* This second call to evict vram is to evict the gart page table
* using the CPU.
*/
amdgpu_bo_evict_vram(adev);
pci_save_state(dev->pdev);