[Intel-gfx] display problems since: drm/i915/dp: workaround BIOS eDP bpp clamping issue

[Daniel Vetter]

On Mon, Nov 4, 2013 at 7:30 PM, Cristian Rodríguez
<crrodriguez at opensuse.org> wrote:
> El 04/11/13 15:30, Cristian Rodríguez escribió:
>
>
>> Ok, got it to hang again today after a few days with no problem.. wow,
>> weird misbehavior! with latest drm-intel-nightly merged, attached is the
>> dmesg output plus the saved error log from /sys/class/drm/card0/error
>
>
> A key detail that might be of interest.
>
> GPU hang happens when: The monitor is attached to the laptop 's displayport
> *before* powering the system on, not when the adapter is plugged after the
> desktop environment is running and the preferred output is selected.

It hangs on a scanline wait. Are you already on the latest version of
xfree86-video-intel and if not can you please check whether it works
on the latest?
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch