Re: [PATCH] drm/fourcc: add Vivante TS modifiers

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Hi Christian,

Am Montag, dem 22.03.2021 um 09:54 +0100 schrieb Christian Gmeiner:
> Am Sa., 20. März 2021 um 20:11 Uhr schrieb Daniel Vetter <daniel@xxxxxxxx>:
> > 
> > On Sat, Mar 20, 2021 at 10:28 AM Christian Gmeiner
> > <christian.gmeiner@xxxxxxxxx> wrote:
> > > 
> > > Hi Lucas
> > > 
> > > Am Fr., 19. März 2021 um 20:06 Uhr schrieb Lucas Stach <l.stach@xxxxxxxxxxxxxx>:
> > > > 
> > > > Vivante TS (tile-status) buffer modifiers. They can be combined with all of
> > > > the Vivante color buffer tiling modifiers, so they are kind of a modifier
> > > > modifier. If a TS modifier is present we have a additional plane for the
> > > > TS buffer and the modifier defines the layout of this TS buffer.
> > > > 
> > > 
> > > I am unsure why you want to have the TS modifiers in drm_fourcc.h. Can
> > > you share some insight on this?
> > 
> > It's the official registry for drm_fourcc codes and drm modifiers.
> > Whether the kernel ever uses it or not doesn't matter.
> 
> Fair point.. but I do not see any usage of these TS modifiers in mesa
> - that's why I am asking.

I have a Mesa series using those modifiers, which I'm currently
rebasing and will be posted shortly. However, the way things work is:
first get the modifier into drm_fourcc.h, then merge any code using the
new modifiers, so I figured it would be fair game to post this patch
before I fully finished reworking the Mesa series.

Regards,
Lucas

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