[Intel-gfx] [PATCH] drm/i915: Add a bit of locking to intel_dp_hpd_pulse()

[Daniel Vetter]

On Thu, Jul 31, 2014 at 1:49 AM, Dave Airlie <airlied at gmail.com> wrote:
> Daniel, the only way intel_dp->is_mst can get reset is inside this path.

Ok, so that one should be safe. Then I guess we can just push the
locking down into the respective non-mst leafs (since atm we do
link-retraining without any locking, which isn't good). And it needs
to be dev->mode_config.mutex, not connection mutex.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch