On Sun, May 3, 2009 at 6:09 PM, Wil Reichert <[email protected]> wrote: > On Sun, May 3, 2009 at 2:04 PM, Alex Deucher <[email protected]> wrote: >> On Sun, May 3, 2009 at 12:20 PM, Wil Reichert <[email protected]> wrote: >>> Seems I'm getting some wierd issue where both text and graphics (i.e. >>> fonts, window decorations, etc) are pixelated & blocky at 2560x1600. >>> Drpoping the resolution to 1920x1200 makes everything fine. I've >>> tried both 6.12.2 and git master of xf86-video-ati, both have the same >>> issue. Tried various windows managers, all have the same problem. >>> I got a screenshot via gimp to show the problem, but it looked fine. >>> Attached is my x log. >> >> Are you sure your card supports dual link dvi? Not all r5xx cards are >> wired up for dual-link dvi support. 1920x1200 is still within the >> bounds of single link dvi while 2560x1600 requires dual-link. >> > > Ah, I assumed just because it was mentioned on the ATI spec sheet it > would work. Silly me. Just confirmed Windows maxes out at 1920 x > 1200 as well. Is lack of a dual link connector something that could > potentially be detected by the driver?
On newer cards (r6xx+), single link vs. dual link is specified in the object table in the video bios. I'm not sure how it's done on older cards off hand. Alex _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
