https://bugs.freedesktop.org/show_bug.cgi?id=35049
Summary: Cannot use higher resolutions of monitor
Product: xorg
Version: git
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
I did a fresh Debian install to sid, upgraded to experimental to get xorg
1.9.99.903 (1.10.0 RC 3) then followed the instructions on the nouveau wiki
(http://nouveau.freedesktop.org/wiki/DebianInstall) to build a new kernel and
drivers. This was successful. The problem is that I have a monitor which
supports up to 2560x1600 (which the monitor reports by EDID) but the drivers
will only run at 1280x800. If I use xrandr to resize, I get a desktop that is
compressed to be equivalent to the larger size, but is actually 1280x800. I
have tried adding a virtual line to my monitor section and setting the
preferredmode. These did not help. The Xorg log shows that it detects the
higher resolutions. I tried booting the kernel with video=DVI-I-1:2560x1600.
The kernel FB driver does exactly the same thing, making the text very small
but still actually outputting the lower resolution. I originally thought that
this was a dual-link problem, but I don't think that 1280x800 is even the
maximum for a single DVI cable. The propriety driver works at the higher
resolutions.
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