Comment # 71 on bug 73530 from Nicolas Werner

Created attachment 109638 [details]
dmesg with drm/radeon: add locking around atombios scratch space usage

(In reply to Alex Deucher from comment #70)
> (In reply to Nicolas Werner from comment #69)
> > 
> > I also have the same problem. (same notebook, so not surprising)
> > 
> > I tried everything you recommended (in comment #65), in order, nothing
> > helps. Any more suggestions?
> 
> Does this patch help?
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
> ?id=1c9498425453bb65ef339a57705c5ef59fe1541d
> 
Well, not enough, to get something other than a black screen or some flickering
before between white and black before it decides to stay black. :/
dmesg with debug attached

> > 
> > Btw, I'm using OpenSUSE, so Kernel 3.16.6.
> > 
> > Also xrandr output is much shorter than the ones posted here, is that normal
> > when you use modeset=0?
> 
> Yes.  When you set modeset=0 you are effectively disabling the radeon driver
> so you end up with vesa or efifb or some other platform driver rather than
> the native driver.

Makes sense, thanks!