[Letux-kernel] fb tiler considered harmful

H. Nikolaus Schaller hns at goldelico.com
Fri Feb 10 11:37:36 CET 2017


> Am 10.02.2017 um 09:29 schrieb Matthijs van Duin <matthijsvanduin at gmail.com>:
> On 8 February 2017 at 07:19, H. Nikolaus Schaller <hns at goldelico.com <mailto:hns at goldelico.com>> wrote:
> > After reverting the following branches, the framebuffer worked again.
> >
> > extern/mvduin/patch/tiler-buf-dumb
> > extern/mvduin/patch/tiler-fbdev
> Oh come on Nikolaus, I've tried to make clear that these are really dirty hacks that are for testing/demo purposes,

Well, I have simply forgotten your advice... And obviously I assumed it is in a better state than it now looks to be. So Andreas did stumble over the OMAP3 issue in letux-4.10-rc6 (we are still in -rc phase).

> you should never have merged these into a tree intended for general use.

It is easy to remove them completely - but then we have no default kernel to test the Pyra with properly rotated screen.

> I also explicitly mentioned patch/tiler-buf-dumb should not be merged at all, not even for pyra.

Treat it as my attempt to do a quality assessment...

But IMHO the best step forwards would be to provide a better patch (even if it is still a hack) since we urgently need something to show around.

Well, I still have one old pyra with ssd rotator. It is also a big hack but works.

BR and thanks,

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