[PATCH xserver] modesetting: Fix page flipping under DRI 3.2.

[Olivier Fourdan]

Hi,

On Wed, Mar 28, 2018 at 2:59 PM, Olivier Fourdan <ofourdan at redhat.com>
wrote:

>
> It definitely improves the situation yet there is probably more to it
> because with this added on top of the current git master, only the laptop
> output works, the external monitor connected to the docking station via
> HDMI shows the same content as the laptop monitor without the cursor,
> whereas for the Xserver (As reported by xrandr) it's rightfully placed to
> the right of the laptop monitor (i.e it's not configured as a mirror), so
> the drm config applied doesn't match the Xserver config.
>
> I'm looking through the drm logs but I fail to spot what's wrong (so
> far)...
>

Found out:

[   27.882134] [drm:drm_atomic_check_only [drm]] checking 000000000de255a3
[   27.882146] [drm:drm_atomic_check_only [drm]] Invalid source coordinates
3840.000000x1200.000000+1920.000000+0.000000 (fb 3840x1200)
[   27.882156] [drm:drm_atomic_check_only [drm]] [PLANE:38:primary B]
atomic core check failed
[   27.882167] [drm:drm_atomic_state_default_clear [drm]] Clearing atomic
state 000000000de255a3
[   27.882178] [drm:__drm_atomic_state_free [drm]] Freeing atomic state
000000000de255a3
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