From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jon Smirl <jonsmirl@yahoo.com>
Cc: fb-devel <linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: Re: mode setting and console locking
Date: Mon, 17 May 2004 13:51:21 +1000 [thread overview]
Message-ID: <1084765880.6447.21.camel@gaston> (raw)
In-Reply-To: <20040517035129.28227.qmail@web14928.mail.yahoo.com>
>
> The only difference I can see is that the X term is in KD_GRAPHICS. When the VT
> is swapped from a console in KD_TEXT to one in KD_GRAPHICS a signal must be sent
> to radeonfb. This signal is being handled wrong and the wrong data is loaded
> into the registers. But what is really wrong is that this signal shouldn't be
> sent to radeonfb at all since my radeonfb is not the primary console device and
> it shouldn't be touched on a VT swap.
>
> I haven't figured out what happens in an fbdev driver on a KD_TEXT/KD_GRAPHICS
> transition yet.
The kernel VT subsystem issue a special blank call to the console driver
(I recently fixed issues there to catch those properly). fbcon will for
a set mode when getting one of those going from gfx->text
Ben.
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next prev parent reply other threads:[~2004-05-17 3:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-16 15:57 mode setting and console locking Jon Smirl
2004-05-16 22:03 ` Benjamin Herrenschmidt
2004-05-17 2:29 ` Jon Smirl
2004-05-17 3:51 ` Jon Smirl
2004-05-17 3:51 ` Benjamin Herrenschmidt [this message]
2004-05-17 4:12 ` Jon Smirl
2004-05-17 4:15 ` Benjamin Herrenschmidt
2004-05-17 4:51 ` Re: mode setting and console locking, nvidia failure Jon Smirl
2004-05-17 5:03 ` Jon Smirl
2004-05-17 22:56 ` James Simmons
2004-05-17 23:26 ` Jon Smirl
2004-05-18 3:00 ` Jon Smirl
2004-05-18 3:38 ` Jon Smirl
2004-05-18 3:37 ` Benjamin Herrenschmidt
2004-05-18 3:53 ` Jon Smirl
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