PATCH: xserver-xorg-video-intel... startup with less screen blinking!
pcjc2 at cam.ac.uk
Mon Oct 15 09:02:09 PDT 2007
Attached is a patch I've been playing with to reduce screen blinking
when loading the Intel driver.
It drops an extra hardware state restore / save in the init path, and
will restore the registers saved during pre-init rather than EnterVT.
The extra tv restore helps to avoid the TV registers being left changed.
(I know KP didn't really want to distribute the save/restore calls in
different places... but it works for now).
I also commented out the register compare entering the VT (as I guess we
expect there may be changes left from the pre-init probing.)
It works for me, but I appreciate it might not be the right thing to do.
With the current driver, I feared for my backlight (surely blinking it
on and off excessively isn't good for its lifespan?)
Electrical Engineering Division,
University of Cambridge,
9, JJ Thomson Avenue,
Tel: +44 (0)7729 980173 - (No signal in the lab!)
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