Re: [PATCH] drm/i915/display: Disable AuxCCS framebuffers if built for Xe

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Jan 29, 2025 at 10:44 AM Tvrtko Ursulin <tursulin@xxxxxxxxxxx> wrote:
>
>
> On 28/01/2025 15:55, Juha-Pekka Heikkilä wrote:
> > On Tue, Jan 28, 2025 at 3:08 PM Tvrtko Ursulin <tursulin@xxxxxxxxxxx> wrote:
> >>
> >>
> >> Hi,
> >>
> >> On 05/03/2024 16:44, Jani Nikula wrote:
> >>> On Wed, 28 Feb 2024, Juha-Pekka Heikkila <juhapekka.heikkila@xxxxxxxxx> wrote:
> >>>> AuxCCS framebuffers don't work on Xe driver hence disable them
> >>>> from plane capabilities until they are fixed. FlatCCS framebuffers
> >>>> work and they are left enabled. CCS is left untouched for i915
> >>>> driver.
> >>
> >> I couldn't find the answer in the below linked issue or in the thread -
> >> is it known what exactly is missing/broken to make this work and are
> >> there any plans to do it? Or perhaps not if gen12lp is not intended to
> >> be supported?
> >
> > As far as I know devices with AuxCCS are not intended to be supported.
> >
> > As for this patch, from display point of view these would work the same
> > as before, just put compressed fb on screen and enable decompression
> > but I figure there are parts missing from gem side to support AuxCCS.
>
> Right, I can dig in and try to figure out what are those missing GEM
> bits but I was hoping someone might know straight away to save me that
> initial digging around.

I wonder if Zbigniew would be able to give pointers, he's been working
with this stuff at least on igt side.

/Juha-Pekka




[Index of Archives]     [AMD Graphics]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux