linux-kernel - Re: ATI Radeon DIRECTCOLOR -> TRUECOLOR patch

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Message-Id: <20090225.035712.103590506.davem@davemloft.net>
Date:	Wed, 25 Feb 2009 03:57:12 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jon@...dgrounds.com
Cc:	linux-kernel@...r.kernel.org, benh@...nel.crashing.org
Subject: Re: ATI Radeon DIRECTCOLOR -> TRUECOLOR patch

From: Jonathan Campbell <jon@...dgrounds.com>
Date: Wed, 25 Feb 2009 03:24:35 -0800

[ Ben H. is the Radeon driver maintainer, as listed in
  linux/MAINTAINERS, you might want to CC: him ]

> I don't know about you but when I ask the framebuffer to set up
> 16-bit or 32-bit RGB modes I expect a video mode to be set up with
> R, G, and B mapped linearly so that I can display images properly,
> not some odd "directcolor" mode that seems to serve no other purpose
> than to avoid a few shifts converting the fbcon palette to an RGB
> triplet.

It might be using DIRECTCOLOR for compatibility with openfirmware,
BOOTX, or similar on PowerPC.

Ben?
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