From mboxrd@z Thu Jan 1 00:00:00 1970 From: Torgeir Veimo Subject: Re: [patch] radeonfb: FB_WAITFORVSYNC implementation Date: Sat, 12 Mar 2005 17:12:36 +0000 Message-ID: <1110647557.5997.98.camel@atlantis.netenviron.com> References: <1110636406.5997.86.camel@atlantis.netenviron.com> <20050312151318.GA27200@sci.fi> <1110647422.4004.456.camel@localhost> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1DAAAR-0007a0-I8 for linux-fbdev-devel@lists.sourceforge.net; Sat, 12 Mar 2005 09:12:47 -0800 Received: from orb.pobox.com ([207.8.226.5]) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1DAAAO-0007ft-3c for linux-fbdev-devel@lists.sourceforge.net; Sat, 12 Mar 2005 09:12:47 -0800 Received: from orb (localhost [127.0.0.1]) by orb.pobox.com (Postfix) with ESMTP id 6F5D970 for ; Sat, 12 Mar 2005 12:12:33 -0500 (EST) Received: from [192.168.1.18] (iampivot.plus.com [81.174.152.151]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by orb.sasl.smtp.pobox.com (Postfix) with ESMTP id 190EA8B for ; Sat, 12 Mar 2005 12:12:32 -0500 (EST) In-Reply-To: <1110647422.4004.456.camel@localhost> Sender: linux-fbdev-devel-admin@lists.sourceforge.net Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="iso-8859-1" To: linux-fbdev-devel@lists.sourceforge.net On Sat, 2005-03-12 at 12:10 -0500, Michel D=E4nzer wrote: > On Sat, 2005-03-12 at 17:13 +0200, Ville Syrj=E4l=E4 wrote: > >=20 > > Also adding support for FB_ACTIVATE_VBL should be quite simple now. >=20 > 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. >=20 > Personally, I'm not sure why something that needs this functionality > can't use the DRM... My interest for adding this is video playback. It's kind of hard to do through the DRM. --=20 Torgeir Veimo ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click