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Date:   Fri, 20 Nov 2020 13:30:03 +0100
From:   Thomas Zimmermann <>
To:     David Laight <David.Laight@...LAB.COM>,
        Linus Torvalds <>
Cc:     Daniel Vetter <>,
        Linux Kernel Mailing List <>,
        dri-devel <>,
        "Huang, Ray" <>, Dave Airlie <>,
        Christian König <>
Subject: Re: Linux 5.10-rc4; graphics alignment


Am 20.11.20 um 12:45 schrieb David Laight:
> From: Thomas Zimmermann
>> Sent: 20 November 2020 11:27
> ...
>>>> You can use drm-tip for testing, where many of the DRM patches go through.
>>>> It's fairly up-to-date.
>>> Any idea of tags either side of the 5.10 merge?
>> The final commit before v5.9 appears to be
>>     Fixes: 33c8256b3bcc ("drm/amd/display: Change ABM config init interface")
>> I'd try this as a good commit. For the bad commit, just try HEAD.
> HEAD off that tree works.
> Colours ok and no stack backtrace.
> Ideas??

The good news is that it's been fixed. All you have to do is wait for 
the fix to hit upstream.

Did you try the patch that Dave linked? If not, go back to v5.10-rc4 and

   git am <path to attached file>

The patch is attached. Please report back if this fixes the issue.

Best regards

> 	David
> -
> Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
> Registration No: 1397386 (Wales)

Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

Download attachment "[PATCH] drm_vram: fix incorrect flag variable usage..eml" of type "message/rfc822" (9721 bytes)

Download attachment "OpenPGP_0x680DC11D530B7A23.asc" of type "application/pgp-keys" (7436 bytes)

Download attachment "OpenPGP_signature" of type "application/pgp-signature" (841 bytes)

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