Hi

Am 06.09.22 um 21:35 schrieb Daniel Vetter:
> On Thu, Jul 28, 2022 at 09:47:56AM +0200, Thomas Zimmermann wrote:
>> Call drm_plane_enable_fb_damage_clips() and give userspace a chance
>> of minimizing the updated display area.
>>
>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>> ---
>>   drivers/gpu/drm/udl/udl_modeset.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
>> index e67c40a48fb4..ce427128f034 100644
>> --- a/drivers/gpu/drm/udl/udl_modeset.c
>> +++ b/drivers/gpu/drm/udl/udl_modeset.c
>> @@ -479,6 +479,7 @@ int udl_modeset_init(struct drm_device *dev)
>>   					   format_count, NULL, connector);
>>   	if (ret)
>>   		return ret;
>> +	drm_plane_enable_fb_damage_clips(&udl->display_pipe.plane);
> 
> I'm assuming this passes with all the igts we have (I hope those finally
> landed) and a damage-capable compositor doesn't go boom either?
> 
> Either way patch lgtm. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> 
> Also I wonder whether we should have a check in the damage helpers to make
> sure drivers don't forget to call this function to set up the uapi ...

It warns, but you can ignore that.

Best regards
Thomas

> 
> Cheers, Daniel
> 
>>   
>>   	drm_mode_config_reset(dev);
>>   
>> -- 
>> 2.37.1
>>
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev