On Don, 2012-07-19 at 23:43 +1000, James Robertson wrote: > Package: xserver-xorg-video-ati > Version: 1:6.14.4-5 > Severity: normal > > Dear Maintainer, > > I have a Lenovo R500 laptop with an "[AMD] nee ATI RV620 [Mobility Radeon HD > 3400 > Series]" graphics chip > > I recently obtained 2x AOC monitors with a 1920x1080 resolution and have > these connected via DVI and VGA to a laptop docking station. > > The laptop only supports a maximum of 2 displays at once. > > With the laptop display disabled I get screen tearing and corruption when > using 1 or both of the external monitors with 1920x1080 resolution. > But strangely if I set one of them to a lower resolution such as 1680x1050 > (the other still at 1920x1080) the screen tearing issue dissapears. Odd given > a single display gets the tearing... > > If using the laptop's display in conjunction with either DVI or VGA > connected monitor at 1920x1080 I experience no tearing. > > If I disable EXAPixmaps the problem is fixed [...]
Can you elaborate on what exactly 'tearing and corruption' means? Does booting with radeon.disp_priority=2 on the kernel command line help? Please provide the output of xrandr --verbose for each case. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1342806304.5901.782.camel@thor.local
