Re: [PATCH] drm/cirrus: flip default to 32bpp

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On Mon, Jul 09, 2018 at 09:39:24AM +0200, Daniel Vetter wrote:
> On Fri, Jul 06, 2018 at 02:35:07PM -0400, Adam Jackson wrote:
> > On Fri, 2018-07-06 at 11:12 +0200, Gerd Hoffmann wrote:
> > > cirrus can handle 1024x768 (and slightly higher) with 24bpp depth.
> > > cirrus can handle up to 800x600 with 32bpp.
> > 
> > 16bpp is maybe a better choice? Nobody's using cirrus because they care
> > about color fidelity and it'll use less CPU to update. There's
> > precedent here, mgag200 defaults to 16bpp on sufficiently memory-
> > impaired devices.
> 
> Yeah nouveau does the same fallback to 16bpp if there's not enough vram.
> So do a bunch of other drivers.

Makes sense.  But appearently 16bpp support bitrotted over time, when
just flipping the default the driver Oopses at init time.  I'll look
into it.

cheers,
  Gerd

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