[Bug 73530] Asus U38N: Black screen with Radeon driver in Linux

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73530

--- Comment #74 from Paul Menzel <paulepanter at users.sourceforge.net> ---
(In reply to Alex Deucher from comment #73)
> (In reply to Benjamin from comment #72)
> > I'm having the same issue, but it seems to be getting worse with newer
> > kernels. I was able to do the suspend/resume trick to get a working screen,
> > but this seems to have stopped working with kernel 3.16 and 3.17. No amount
> > of suspending/resuming seems to get the screen to appear now, so I've had to
> > stick with 3.15 for the time being. I'm on Arch, so packages are fairly
> > generic, but I can provide any information that would help.
> 
> Can you bisect and see what commit made it worse?  That might help narrow
> down the problem.

Alex, I’ll soon have access to that device again. Unfortunately, doing a bisect
for me does not work as there is no clear way to figure out if it worked or
not.

Isn’t there some software, testing “all panel timings” and the user can say,
which worked?

That Asus laptop is/was one of the few AMD laptops out there, so it’s sad that
GNU/Linux doesn’t run properly on it.

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