On Tue, Jul 22, 2025, at 12:29, Chris Bainbridge wrote:
> On Mon, Jul 21, 2025 at 08:22:48AM -0400, Satadru Pramanik wrote:
>> Hello all,
>>
>> I suspect this commit in 6.16-rc7 has broken acceleration with Mesa's
>> nouveau drivers on my machine.
>>
>> glxinfo -B reports that I'm using llvmpipe.
>>
>> Reverting this in 6.16-rc7 restores nouveau acceleration, and glxinfo
>> then reports: "OpenGL renderer string: NVE7"
>
> I also bisected an issue to this commit. On my laptop, this commit
> results in an intermittent desktop crash (Xorg segfault) when changing
> display scale, which can be more reliably reproduced with:
>
> for x in {1..100}; do
> xrandr --output eDP-1 --mode 2560x1600 --scale 0.5 --filter nearest
> xrandr --output eDP-1 --mode 2560x1600 --scale 1 --filter nearest
> done
>
I won't have time to work on fixing my patch before the merge window,
let's just revert it.
Arnd
