[Bug 19960] radeon{,hd} driver can't run a LCD at certain resolutions/timings over DVI

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19960





--- Comment #22 from Joshua Roys <roysjosh at gmail.com>  2009-09-30 14:27:11 PST ---
Created an attachment (id=29957)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=29957)
dmesg under 2.6.32-rc1 with drm-next, git master mesa/drm/ddx

# glxinfo | grep render
do_wait: drmWaitVBlank returned -1, IRQs don't seem to be working correctly.
Try adjusting the vblank_mode configuration parameter.
direct rendering: Yes
OpenGL renderer string: Mesa DRI R600 (RS780 9610) 20090101  TCL DRI2

I'm using 1280x1024 right now and it's working fine - just not 1920x1080,
1600x1200, 1680x1050, 1024x768 (not nearly as many lines/flickering), 800x600
(again, less lines than 1024x768).

works: 1280x1024, 1440x900, 1280x960, 1152x864.

there were a few I didn't try.  I'll attach the Xorg log next.


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