mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-27 11:19:37 +00:00
Code Issues Releases Wiki Activity

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 38a8791aa7
commit ddbb531350
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) {