linux-kernel - RE: Linux 5.10-rc4; graphics alignment

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Message-ID: <fd7e7817781a43eb857fceb971502511@AcuMS.aculab.com>
Date:   Fri, 20 Nov 2020 15:39:16 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Thomas Zimmermann' <tzimmermann@...e.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>
CC:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "Huang, Ray" <ray.huang@....com>, Dave Airlie <airlied@...hat.com>,
        Christian König <christian.koenig@....com>
Subject: RE: Linux 5.10-rc4; graphics alignment

From: Thomas Zimmermann
> Sent: 20 November 2020 13:42
...
> I did a diff from v5.10-rc4 to drm-tip to look for suspicious changes.
> Some candidates are
> 
>    8e3784dfef8a ("drm/ast: Reload gamma LUT after changing primary
> plane's color format")

Ok, that one fixes the screen colours (etc).
So 8e3784dfef8a was good and then HEAD^ was bad.

I might try to bisect the breakage.

The stack splat is entirely different.
I'll try to bisect that on Linus's tree.

	David

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