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I have a box with 2 VGA Adaptors, both are AMD and both can run the open-source Radeon Driver.
Each have a monitor connected to there DVI-I-0 port(dvi port 0).
devices are as follows:
1. R9 280x(Tahiti) PCI:1.x
2. HD5xxx(Evergreen) PCI;6.x
I havent done a dual-head setup in a very long time and the conf.d makes things a little more confusing while helping making things more modular.
i cant figure out how to configure these, i can get X to detect the devices but it doesnt say anything about there screens or independence at all. just keeps plowing through to defaults on 1.
Normally i would agree, but ive managed a independant dual-head through some wierd configuration once... and only once. cant get xinerama or the like to work
ill give more info.
lspci | grep VGA
Code:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti XT [Radeon HD 7970/8970 OEM / R9 280X]
06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Juniper XT [Radeon HD 5770]
xrandr
Code:
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-0 disconnected (normal left inverted right x axis y axis)
DVI-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 435mm x 239mm
1920x1080 60.00*+
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1280x720 60.00
1024x768 75.08 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 60.00
720x400 70.08
xorg.0.log xorg.0.log on Gist < with serverlayout disabled, so monitor layout is not set... screen #2(Acer) is powered(active light is on, and backlight is lit). but there is no activity and nothing in xrandr. screen #1(AOC) is fine though. i cant make heads or tails of it.
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