Re: No more new fbdev drivers, please

From: Emil Velikov
Date: Sun Sep 27 2015 - 12:09:03 EST

Hi all,

On 27 September 2015 at 14:09, Noralf TrÃnnes <noralf@xxxxxxxxxxx> wrote:
> Den 24.09.2015 14:27, skrev Tomi Valkeinen:
>> Hi all,
>> fbdev is (more or less) maintained, but it's a deprecated framework. All
>> new Linux display drivers should be done on DRM.
>> So let's not add any more new fbdev drivers.
>> I will continue to maintain the current fbdev drivers, and I don't mind
>> adding some new features to those current drivers, as long as the amount
>> of code required to add the features stays sensible.
>> I see we have three fbdev drivers in staging: xgifb, fbtft and sm750fb,
>> and the question is what to do with those.
>> xgifb was added in 2010, and is still in staging.
>> fbtft looks like maybe some kind of framework on top of fbdev, with
>> fbtft specific subdrivers... I didn't look at it in detail, but my gut
>> says "never".
> I have done some work [1] to try and make fbtft look more like the rest
> of the kernel (doc [2]), but that work will result in an almost complete
> rewrite of fbtft.
>From a very quick skim fbtft looks pretty much like drm/panel. We
presently have 30+ 'simple' dsi panels, plus a bunch of spi ones. Have
you had a look at these ?

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