From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Joshua Hudson <joshudson@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: KMS and vgaconsole
Date: Tue, 11 Jan 2011 11:10:04 -0800 [thread overview]
Message-ID: <20110111111004.693b8e7c@jbarnes-desktop> (raw)
In-Reply-To: <AANLkTik6c5PcC3m5LG8=0g8ecPHNzYWtsM8oy3fv955T@mail.gmail.com>
On Mon, 10 Jan 2011 18:41:41 -0800
Joshua Hudson <joshudson@gmail.com> wrote:
> Has anyone tried to implement KMS support for vgaconsole.
>
> Not everybody wants fbcon (I most certainly do not.)
I don't know of anyone working on it. It was always a distant TODO
when we were first doing the KMS work, and it's theoretically possible
to have VGA text & graphics modes available as part of KMS, but it
would require some big additions to the graphics drivers. VGA modes
tend to take a lot more power than high res modes too, since they
activate power hungry legacy hardware that is otherwise disabled.
> Also, having it essentially necessary for some environments
> (co-existing with Xserver-xorg-radion) and unusable with others, such
> as VESA in VM is not a very good situation.
Why not? Machines typically have supported devices or not; if so they
can use all the good stuff, if not, they can use the compatibility code
(like VESA) exclusively.
--
Jesse Barnes, Intel Open Source Technology Center
prev parent reply other threads:[~2011-01-11 19:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-11 2:41 Joshua Hudson
2011-01-11 19:10 ` Jesse Barnes [this message]
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