Comment 25 for bug 975689

I have encountered this one once more even though i had added the workaround to the X session start sequence.

As I suspect that the GPU is completely reinitialized when suspending (I do that a lot), I have now added it to the sleep/suspend sequence:

/etc/pm/sleep.d/20_intel_workaround
(do not forget to make it executable)
--------------

#!/bin/sh

case "$1" in
  hibernate|suspend) echo "Intel workaround";;
  resume|thaw) intel_reg_write 0x2120 0x1206800;;
esac