linux-kernel - Re: Radeon HD 7450 brightness oversaturated

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Message-ID: <44de44e9-8ecc-4707-2c49-384f6ce9efcb@linux.ee>
Date:   Fri, 22 Mar 2019 16:59:25 +0200
From:   Meelis Roos <mroos@...ux.ee>
To:     Alex Deucher <alexdeucher@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>
Subject: Re: Radeon HD 7450 brightness oversaturated

>>> Kernels are 5.0 and 5.1-rc1.
>>
>> Is it just kernels 5.0 and 5.1?  There haven't really been any display
>> related changes to radeon in ages.  Possibly a duplicate of:
>> https://bugzilla.kernel.org/show_bug.cgi?id=198123
> 
> No, I just put the card in and tested with only the current kernels I had.
> I can get some older kernel and test with that if that is of any help.

Just tested Debianis 4.19.0-4 package (4.19.28) and it exhibits the same
symptoms.

Slight additional detail: chenaging between fbcon vt-s does not fix it,
only changing between fbcon and X fixes it.

-- 
Meelis Roos <mroos@...ux.ee>