From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michel =?ISO-8859-1?Q?D=E4nzer?= Subject: Re: Vertical retrace interrupts? Date: 31 Jan 2003 12:24:33 +0100 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <1044012272.6540.14.camel@thor> References: <1043893384.1052.127.camel@localhost.localdomain> <1043927116.7576.40.camel@thor> <1043968889.1002.40.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Received: from netline-be1.netline.ch ([195.141.226.32]) by sc8-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 18eZMY-0006Iw-00 for ; Fri, 31 Jan 2003 03:29:38 -0800 In-Reply-To: <1043968889.1002.40.camel@localhost.localdomain> Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="iso-8859-1" To: Antonino Daplas Cc: Fredrik Noring , Linux Fbdev development list On Fre, 2003-01-31 at 00:22, Antonino Daplas wrote: > On Thu, 2003-01-30 at 19:45, Michel D=E4nzer wrote: > > On Don, 2003-01-30 at 03:34, Antonino Daplas wrote: > > > On Wed, 2003-01-29 at 03:21, James Simmons wrote: > > > >=20 > > > > > Are there any plans on merging DirectFB features? Stuff like vert= ical > > > > > retrace interrupts etc.? > > >=20 > > > I wholeheartedly agree with this. There are a lot of applications out > > > there (especially video players) where vtrace signal delivery is > > > critical for optimum operation. Polling for VGA registers is not > > > totally correct for newer cards and is too inefficient, so this has to > > > be done at a per driver level. > >=20 > > Let me point out that the DRM in XFree86 4.3.0 and 2.5 kernels has a > > generic ioctl which can block or send a signal on vertical blank > > interrupts. >=20 > Yes, I've seen the dri list archives, and adding support for this in > fbdev will result in code dupliation :-(. >=20 > However, at least 3 people have mailed me that they are using their > somewhat old pc as a set top box with mplayer, DirectFB and i810fb. No > X. You don't need X to use the DRM, just some privileged client to initialize it. --=20 Earthling Michel D=E4nzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld =3D Something 2 See! http://www.vasoftware.com