[Bug 21542] Radeon: No 50Hz (PAL) modes available after upgrading to 2.6.36

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https://bugzilla.kernel.org/show_bug.cgi?id=21542





--- Comment #2 from Ville Aakko <ville.aakko@gmail.com>  2010-10-31 20:35:24 ---
Sure, I'll do the bisect!

But I won't probably have time to start the bisecting until next weekend, so if
someone is reading and is interested in bisecting, go ahead if you have time
before I do ;-).

I'll attach the logs, however (the ones for 2.6.35 are good; I noticed that
while running 2.6.36 there's no EDID information in Xorg.0.log).

Sorry if the following doesn't belong here, but I'm a bit new to git and
bisecting (done so for wine once or twice...) Is there a better way for doing
this than:
# git clone
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
# git bisect start
# git bisect bad
# git bisect good v2.6.35

... and then compiling and installing, and rebooting every commit? For example,
is it possible to just fetch the DRM part of the tree (or perhaps just the
radeon module if I can pinpoint the cause), install the modules from it to the
currently running kernel (after testing I can reproduce the but that way)? That
would reduce compiling time and reduce reboots.

Also, the last good one I used in gentoo was 2.6.35-r10 which should compare to
kernel-2.6.35-11 AFAICT, but I found no easy way to mark that one good in
git-bisect to test.

Cheers!
 - Ville

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