[PATCH v4] drm/omap: plane zpos/zorder management improvements

[Tomi Valkeinen]

On 08/01/18 13:07, Laurent Pinchart wrote:

>> Yes, this is a subject I have complained a few times: DRM keeping the
>> state. I think that will be a problem with many other properties too. An
>> app could change a platform specific property, which no other app is
>> aware of, and after that no other app would work correctly.
>>
>> I believe each app has to know all the DRM properties and set them
>> accordingly on startup, and/or each app has to reset the properties when
>> exiting. Unfortunately I think both cases are not realistic.
> 
> I agree with you. I'd prefer restoring a sane default state on last close. Is 
> there any reason not to do so ?

I have to say I can't remember, but it probably was about fbdev, legacy,
on PCs you don't usually encounter problems related to this, or things
like that.

-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki