[PATCH] drm/amd/display: Allow idle optimization based on vblank.

[Michel Dänzer]

On 2021-03-17 12:49 a.m., Bindu Ramamurthy wrote:
> [Why]
> idle optimization was being disabled after commit.
> 
> [How]
> check vblank count for display off and enable idle optimization based on this count.
> 
> Signed-off-by: Bindu Ramamurthy <bindu.r at amd.com>
> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 553e39f9538c..56a55143ad2d 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -987,7 +987,7 @@ static void event_mall_stutter(struct work_struct *work)
>  
>  	if (vblank_work->enable)
>  		dm->active_vblank_irq_count++;
> -	else
> +	else if(dm->active_vblank_irq_count)
>  		dm->active_vblank_irq_count--;

The commit log should explain why this part is needed.


-- 
Earthling Michel Dänzer               |               https://redhat.com
Libre software enthusiast             |             Mesa and X developer