Re: Regression on drm/i915, with bisected commit

[Bagas Sanjaya <bagasdotme@gmail.com>]

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On Wed, May 17, 2023 at 06:51:44AM +0700, Bagas Sanjaya wrote:
> On Tue, May 16, 2023 at 03:04:53PM +0200, Éric Brunet wrote:
> > Hello all,
> > 
> > I have a HP Elite x360 1049 G9 2-in-1 notebook running fedora 38 with an Adler 
> > Lake intel video card.
> > 
> > After upgrading to kernel 6.2.13 (as packaged by fedora), I started seeing 
> > severe video glitches made of random pixels in a vertical band occupying about 
> > 20% of my screen, on the right. The glitches would happen both with X.org and 
> > wayland.
> > 
> > I checked that vanilla 6.2.12 does not have the bug and that both vanilla 
> > 6.2.13 and vanilla 6.3.2 do have the bug.
> > 
> > I bisected the problem to commit e2b789bc3dc34edc87ffb85634967d24ed351acb (it 
> > is a one-liner reproduced at the end of this message).
> > 
> > I checked that vanilla 6.3.2 with this commit reverted does not have the bug.
> > 

There is a similar regression reported on freedesktop gitlab tracker
(by different reporter):

#regzbot link: https://gitlab.freedesktop.org/drm/intel/-/issues/8475

-- 
An old man doll... just what I always wanted! - Clara

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