Yay! I modified my xorg.conf to add the modelines and use the
ConnectorTable, and it displays fine (though there is a bit of
flickering whenever xrandr is called) See
http://www.funsitelots.com/pub/xorg_emacG4_working for logs,
screenshots, etc.
My xorg.conf is as follows:
# Xorg configuration created by system-config-display
Section "ServerLayout"
Identifier "single head configuration"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
Option "XkbVariant" "dvorak"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "radeon"
#Driver "fbdev"
#Option "UseFBDev" "true"
Option "ConnectorTable" "96,1,0,1,100,2,0,1"
#Option "MacModel" "powerbook-internal"
EndSection
#Both of these xrandr modes worked:
#xrandr --newmode "1024x768j" 99.198 1024 1072 1168 1376 768 769 772
810 +HSync +VSync
#xrandr --newmode "1280x960j" 124.54 1280 1368 1504 1728 960 961 964
1001 +HSync +Vsync
# $ gtf 1280 960 72
# 1280x960 @ 72.00 Hz (GTF) hsync: 72.07 kHz; pclk: 124.54 MHz
# Modeline "1280x960_72.00" 124.54 1280 1368 1504 1728 960 961 964
1001 -HSync +Vsync
# (note that -HSync should be +HSync, or the image is about 70% over
to the left (according to my test)
Section "Monitor"
Identifier "eMac Monitor"
#HorizSync 71-73
Modeline "1280x960" 124.54 1280 1368 1504 1728 960 961 964 1001
+HSync +VSync
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "eMac Monitor"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
I went ahead and tested 3D and video playing. 3D works fine until I
VT out and back in (then 3D programs like glxgears and neverball lock
up). Playing an ogg vorbis through Epiphany works fine. Playing an
flv or an ogg in mplayer displays a garbled image (see screenshots).
Video playing does not seem to be affected by VT switching.
Although these are likely separate issues, I just wanted to bring them
to your attention in case they're related to this problem. I guess
now we have to figure out how to get Xorg to autoprobe the correct
modes?
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