[Nouveau] nouveau 30bpp / deep color status

[Daniel Stone]

Hi,

On 8 March 2018 at 17:08, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Thu, Mar 8, 2018 at 11:57 AM, Mario Kleiner
> <mario.kleiner.de at gmail.com> wrote:
>> Under EGL there is matching of channel masks, so only X11+GLX is
>> problematic. Not sure if anything special would need to be done for
>> XWayland, haven't looked at that at all so far. Or the modesetting ddx,
>> which currently assumes xrgb ordering for 10 bit.
>
> For the modesetting ddx, it has to switch to drmAddFB2 so that it
> knows the exact format. No other way around that, unfortunately. But
> that'll require work, and I'm happy enough that xf86-video-nouveau
> works (as that is what I recommend to anyone who'll listen).

modesetting now uses AddFB2, as of relatively recently.

>> There are some from Daniel which unify the handling of formats inside egl,
>> not with any abgr2101010 definitions though. Indeed on master compositing
>> doesn't work for depth 30 windows. I have some patches that fix this, and
>> some hack for EGL/x11 compositing that seems to work. Will send them out
>> soon.
>
> D'oh! Those patches were definitely there. I guess they got dropped at
> some point. Daniel, can you resend those?

Oops. Is this X11 or Wayland compositing? I'll resend those two, but
it would probably be better to hold off merging them until you can
verify I haven't done anything stupid.

Cheers,
Daniel