http://bugs.freedesktop.org/show_bug.cgi?id=22852
Summary: [r300 KMS] modesetting not accepted by monitor
Product: DRI
Version: unspecified
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=27849)
--> (http://bugs.freedesktop.org/attachment.cgi?id=27849)
dmesg. At 10000s I switched from 6.12.2 driver to 6.12.99
Using kernel modesetting, one of my two monitors does not accept any mode set
via xrandr, nor does it accept the default mode set during boot. The other
monitor works fine, but xrandr shows less modes than with an older driver.
--
I'm currently testing the radeon modesetting features on my Radeon 9550. My
system has X.org from Debian unstable, a manually-compiled Linux kernel with
kms enabled, and Radeon drivers from the Ubuntu PPA xorg-edgers/radeon-kms
(https://launchpad.net/~xorg-edgers/+archive/radeon-kms).
relevant package versions:
xserver-xorg-core 2:1.6.2-1
xserver-xorg-video-ati 1:6.12.99+git20090719
xserver-xorg-video-radeon 1:6.12.99+git20090719
libdrm2 2.4.12+git20090717
libdrm-radeon1 2.4.12+git20090717
libgl1-mesa-dri 7.6.0~git20090715
linux-image-2.6.31-rc3 2.6.31-rc3-10.00.Custom
Reverting to the 6.12.2 driver from Debian unstable brings the second monitor
back to life. The modelines generated by both drivers appear identical, but in
the radeon-kms case, I get the following lines in /var/log/kern.log:
Jul 20 15:35:37 neminis kernel: [13998.608038] [drm] TMDS-8: set mode 35
Jul 20 15:36:16 neminis kernel: [14036.829106] [drm] TMDS-8: set mode 41
The monitor does flicker on and off when I switch between xrandr --off and
xrandr --auto, so the port appears correct. I'm running without xorg.conf, so
everything is auto-detected.
I'll attach both Xorg logs in a minute. But as for the video modes, XRandr
doesn't agree either (VGA-0 = working, DVI-0 = modes not accepted by monitor):
==> xrandr-6.12.2 <==
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1920 x 1920
VGA-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 340mm
x 270mm
1280x1024 75.0*+ 60.0
1152x864 75.0
1024x768 75.0 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 59.9
720x400 70.1
DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 521mm
x 293mm
1920x1080 60.0 +
1680x1050 59.9
1280x1024 75.0 60.0*
1440x900 75.0 59.9
1280x960 60.0
1152x864 75.0
1024x768 75.0 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 59.9
==> xrandr-6.12.99 <==
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 4096 x 4096
VGA-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 340mm
x 270mm
1280x1024 75.0*+
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 72.8 75.0 66.7 60.0
720x400 70.1
0x0 0.0
DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 521mm
x 293mm
1920x1080 60.0 +
1280x1024 75.0*
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 72.8 75.0 66.7 60.0
720x400 70.1
0x0 0.0
(parts of) this could be related to #22638, but it doesn't appear to be the
same issue.
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