Cannot change color depth on server using MGA device.

Solution In Progress - Updated -

Issue

  • Cannot change color depth using MGA device on RHEL6.6.
  • Even if DefaultDepth in xorg.conf is set, color depth won't changed from 16bpp.
#cat /etc/X11/xorg.conf
...
Section "Device"
...
        Driver      "mga"
        BusID       "PCI:125:0:0"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultDepth 24
        SubSection "Display"
...

Environment

  • Red Hat Enterprise Linux 6.6
  • xorg-x11-drv-mga-1.6.3-5.el6

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