diff options
| author | Emily Deng <Emily.Deng@amd.com> | 2017-08-21 09:51:10 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-08-23 17:18:44 -0400 |
| commit | 766cff839ddc303ff4e17fd7a03bea7cf890de2d (patch) | |
| tree | 63dbeb51fe1f76920890380d210b870ed0b451cd /drivers/gpu | |
| parent | b252903afcb1139dd87605b79f41e0dc325f9ece (diff) | |
drm/amdgpu/virtual_dce: Virtual display doesn't support disable vblank immediately
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index 4bdd851f56d0..538e5f27d120 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -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) { |