[PATCH xserver] modesetting: Fix fallback for lack of new vblank kernel API.

[Adam Jackson]

On Mon, 2018-02-26 at 22:25 -0800, Keith Packard wrote:
> Mario Kleiner <mario.kleiner.de at gmail.com> writes:
> 
> > Turns out that the kernel DRM ioctl handling returns EINVAL
> > instead of ENOTTY if one tries to call the new drmCrtcGetSequence()
> 
> Thanks for fixing this. I must have missed testing this...
> 
> Reviewed-by: Keith Packard <keithp at keithp.com>

remote: I: patch #206976 updated using rev efe9e3e9ff96a06f50d94dc93ad2c19085fa3d09.
remote: I: 1 patch(es) updated to state Accepted.
To ssh://git.freedesktop.org/git/xorg/xserver
   8171d4c2d6..efe9e3e9ff  master -> master

- ajax