renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-27 14:43:58 +08:00
Code

drm/amdgpu/virtual_dce: Virtual display doesn't support disable vblank immediately

Browse Source 
For virtual display, it uses software timer to emulate the vsync interrupt,
it doesn't have high precision, so doesn't support disable vblank immediately.

BUG: SWDEV-129274

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng 2017-08-21 09:51:10 +08:00 committed by Alex Deucher
parent b252903afc
commit 766cff839d
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -221,8 +221,9 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
spin_lock_init(&adev->irq.lock);
/* Disable vblank irqs aggressively for power-saving */
adev->ddev->vblank_disable_immediate = true;
if (!adev->enable_virtual_display)
/* Disable vblank irqs aggressively for power-saving */
adev->ddev->vblank_disable_immediate = true;
r = drm_vblank_init(adev->ddev, adev->mode_info.num_crtc);
if (r) {