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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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  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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