From: Luca Tettamanti <kronos.it@gmail.com>
To: Alex Deucher <alexdeucher@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>,
linux-acpi@vger.kernel.org, Zhang Rui <rui.zhang@intel.com>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/radeon: add new AMD ACPI header and update relevant code
Date: Thu, 26 Jul 2012 21:33:46 +0200 [thread overview]
Message-ID: <20120726193346.GA11288@growl> (raw)
In-Reply-To: <CADnq5_Nr8S+kzdKVq9=VL9BVK+4eFeX0egs-rkiv882MAm3bow@mail.gmail.com>
On Thu, Jul 26, 2012 at 11:35:25AM -0400, Alex Deucher wrote:
> On Thu, Jul 26, 2012 at 8:58 AM, Luca Tettamanti <kronos.it@gmail.com> wrote:
> > The other missing bit is how to actually change the brightness... Alex,
> > do you know what registers to poke?
>
> You need to check if the GPU controls the backlight or the system
> does. I think the attached patches should point you in the right
> direction.
Yep :)
0050: ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability :
0050: (union) ATOM_FIRMWARE_CAPABILITY sbfAccess :
USHORT GPUControlsBL:1 = 0x0001 (1)
The panel is using the INTERNAL_UNIPHY encoder, and I see the
UNIPHYTransmitterControl command table.
Interaction with video.ko is still a bit messy...
Do you already have code for handling the notifications? I'll work on it
in the weekend otherwise ;)
Luca
next prev parent reply other threads:[~2012-07-26 19:33 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-25 17:38 [PATCH] drm/radeon: add new AMD ACPI header and update relevant code alexdeucher
2012-07-26 12:58 ` Luca Tettamanti
2012-07-26 15:35 ` Alex Deucher
2012-07-26 19:33 ` Luca Tettamanti [this message]
2012-07-26 19:42 ` Alex Deucher
2012-07-26 19:58 ` Alex Deucher
2012-07-28 14:56 ` Luca Tettamanti
2012-07-28 21:29 ` Alex Deucher
2012-07-29 13:06 ` Luca Tettamanti
2012-07-30 14:20 ` Alex Deucher
2012-07-30 20:24 ` Luca Tettamanti
2012-07-30 20:30 ` Alex Deucher
2012-07-30 20:36 ` Luca Tettamanti
2012-07-30 20:45 ` Alex Deucher
2012-07-31 9:16 ` Luca Tettamanti
2012-07-31 13:58 ` Alex Deucher
2012-07-31 20:05 ` Luca Tettamanti
2012-07-31 21:33 ` Alex Deucher
2012-08-01 8:57 ` Luca Tettamanti
2012-08-01 13:56 ` Alex Deucher
2012-08-02 15:03 ` Alex Deucher
2012-08-02 16:31 ` Luca Tettamanti
2012-08-02 16:33 ` Alex Deucher
2012-08-02 20:54 ` Alex Deucher
2012-08-01 13:49 ` [PATCH/RFC] drm/radeon: ACPI: veto the keypress on ATIF events Luca Tettamanti
2012-08-01 14:02 ` Alex Deucher
2012-08-01 14:50 ` joeyli
2012-08-02 0:45 ` Zhang Rui
2012-08-02 13:46 ` Luca Tettamanti
2012-08-03 1:40 ` Zhang Rui
2012-08-03 1:45 ` Alex Deucher
2012-08-03 2:06 ` Zhang Rui
2012-07-29 19:33 ` [PATCH] drm/radeon: add new AMD ACPI header and update relevant code Luca Tettamanti
2012-07-30 14:29 ` Alex Deucher
2012-07-29 3:51 ` joeyli
2012-07-29 13:10 ` Luca Tettamanti
2012-07-30 8:32 ` joeyli
2012-07-30 14:16 ` Luca Tettamanti
2012-07-27 2:50 ` joeyli
2012-07-27 3:31 ` Alex Deucher
2012-07-27 4:46 ` joeyli
2012-07-27 9:02 ` Luca Tettamanti
2012-07-27 13:21 ` Alex Deucher
2012-07-27 15:32 ` joeyli
2012-07-27 15:36 ` joeyli
2012-07-27 16:31 ` Alex Deucher
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