[Intel-gfx] [PATCH] drm/i915: Nuke debug messages from the pipe update critical section

[Ville Syrjälä]

On Wed, Mar 08, 2017 at 10:36:15AM +0100, Maarten Lankhorst wrote:
> Op 07-03-17 om 21:54 schreef ville.syrjala at linux.intel.com:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >
> > printks are slow so we should not be doing them from the vblank evade
> > critical section. These could explain why we sometimes seem to
> > blow past our 100 usec deadline.
> >
> > The problem has been there ever since commit bfd16b2a23dc ("drm/i915:
> > Make updating pipe without modeset atomic.") but it may not have
> > been readily visible until commit e1edbd44e23b ("drm/i915: Complain
> > if we take too long under vblank evasion.") increased our chances
> > of noticing it.
> >
> > Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> > Fixes: bfd16b2a23dc ("drm/i915: Make updating pipe without modeset atomic.")
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

Pushed to dinq with cc:stable. Thanls for the review.

-- 
Ville Syrjälä
Intel OTC