On Fri, 2016-06-24 at 16:23 +0200, Sven Arvidsson wrote:
> On Thu, 2016-06-23 at 15:49 -0600, James Lay wrote:
> >
> > And after hooking up a second monitor it indeeds defaults to that
> > second monitor after running:
> > modprobe radeon modeset=1
> > Now..I do I tell the driver which monitor to use? Thank you.
> Great! There's probably a bug somewhere, or that particular hardware
> should have some sort of quirk to enable the primary monitor, but I'm
> not sure what component the bug should be filed against.
>
>
> I haven't tried this myself, but it looks like you should be able to
> force the primary display on (and the secondary off) during
> modesetting:
> https://wiki.archlinux.org/index.php/kernel_mode_setting#Forcing_mode
> s_and_EDID
>
> You can also do something similar in the Xorg configuration.
>
Thanks...looks like this is kernel+hardware issue. I get the same
results with Ubuntu 16.04, but not Ubuntu 14.04, which was a 3.x
kernel.
James
