From: "Michel Dänzer" <michel@daenzer.net>
To: linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [patch] radeonfb: FB_WAITFORVSYNC implementation
Date: Sat, 12 Mar 2005 12:10:22 -0500 [thread overview]
Message-ID: <1110647422.4004.456.camel@localhost> (raw)
In-Reply-To: <20050312151318.GA27200@sci.fi>
On Sat, 2005-03-12 at 17:13 +0200, Ville Syrjälä wrote:
>
> Also adding support for FB_ACTIVATE_VBL should be quite simple now.
You don't need an interrupt for that. You can choose via the
CRTC_OFFSET_CNTL:CRTC_OFFSET_FLIP_CNTL bit whether the update of the
CRTC offset should take effect immediately or on the next vertical
blank.
Personally, I'm not sure why something that needs this functionality
can't use the DRM...
--
Earthling Michel Dänzer | Debian (powerpc), X and DRI developer
Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer
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next prev parent reply other threads:[~2005-03-12 17:10 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-12 14:06 [patch] radeonfb: FB_WAITFORVSYNC implementation Torgeir Veimo
2005-03-12 15:13 ` Ville Syrjälä
2005-03-12 16:59 ` Torgeir Veimo
2005-03-12 17:10 ` Michel Dänzer [this message]
2005-03-12 17:12 ` Torgeir Veimo
2005-03-12 19:20 ` Michel Dänzer
2005-03-12 19:35 ` Jon Smirl
2005-03-12 23:33 ` Benjamin Herrenschmidt
2005-03-12 17:33 ` Ville Syrjälä
2005-03-16 1:28 ` Torgeir Veimo
2005-03-16 1:59 ` Ville Syrjälä
2005-03-16 6:19 ` Michel Dänzer
2005-03-12 15:33 ` Jon Smirl
2005-03-12 15:51 ` Ville Syrjälä
2005-03-12 16:00 ` Jon Smirl
2005-03-12 16:10 ` Ville Syrjälä
2005-03-12 16:21 ` Jon Smirl
2005-03-12 23:23 ` Benjamin Herrenschmidt
2005-03-12 17:03 ` Torgeir Veimo
2005-03-12 17:21 ` Torgeir Veimo
2005-03-12 17:56 ` Jon Smirl
2005-03-12 23:21 ` Benjamin Herrenschmidt
2005-03-12 23:14 ` Benjamin Herrenschmidt
2005-03-13 3:15 ` Torgeir Veimo
2005-03-12 23:30 ` Benjamin Herrenschmidt
2005-03-16 1:28 ` Torgeir Veimo
[not found] <20050313012923.60373.qmail@web14926.mail.yahoo.com>
2005-03-13 1:37 ` Benjamin Herrenschmidt
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