From: Michael Burian <michael.burian@sbg.at>
To: Alex Deucher <alexdeucher@gmail.com>
Cc: "Michel Dänzer" <michel@daenzer.net>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Subject: Re: No backlight since linux-4.2.4 - drivers/gpu/drm/radeon/atombios_encoders.c
Date: Tue, 27 Oct 2015 17:23:53 +0100 [thread overview]
Message-ID: <562FA519.602@sbg.at> (raw)
In-Reply-To: <CADnq5_Nay7xTqr5XuEQ4yXDG+xq_E+R3oWp_TwedmuXs-e4-MQ@mail.gmail.com>
On 10/27/15 16:10, Alex Deucher wrote:
>
> It would appear that your system does not use the gpu backlight
> controller. Either it's lying or messing with the GPU backlight
> controller causes some bad interaction with whatever does control it.
> Does the attached radeon patch help? I'm also attaching an amdgpu
> patch for reference in case the same problem appears on amdgpu.
>
no, still no backlight when applied against current current mainline
858e904bd71dd0057a548d6785d94ce5ec4aeabd (Merge tag 'iommu-fixes-v4.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu)
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next prev parent reply other threads:[~2015-10-27 16:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <562BDB47.5000301@sbg.at>
2015-10-26 9:32 ` No backlight since linux-4.2.4 - drivers/gpu/drm/radeon/atombios_encoders.c Michel Dänzer
2015-10-26 21:21 ` Alex Deucher
[not found] ` <562E0473.5060404@sbg.at>
2015-10-27 2:36 ` Michel Dänzer
2015-10-27 8:44 ` Michael Burian
2015-10-27 9:17 ` Michel Dänzer
2015-10-27 10:06 ` Michael Burian
2015-10-27 15:10 ` Alex Deucher
2015-10-27 16:23 ` Michael Burian [this message]
2015-10-27 16:43 ` Alex Deucher
2015-10-27 17:02 ` Michael Burian
2015-10-28 7:11 ` Michel Dänzer
2015-10-28 19:03 ` Alex Deucher
2015-10-28 20:46 ` Michael Burian
2015-10-29 3:18 ` Michel Dänzer
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