[Intel-gfx] [PATCH 2/2] drm/i915: Don't cancel DRRS worker synchronously for flush/invalidate

[Chris Wilson]

On Thu, Apr 09, 2015 at 04:44:16PM +0200, Daniel Vetter wrote:
> It's not needed since the worker rechecks that it didn't race. We only
> need to cancel synchronously after disabling drrs to make sure the
> worker really is gone (e.g. for driver unload). But for normal
> operation the stall is just wasted time.
> 
> Reported-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Ramalingam C <ramalingam.c at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Vandana Kannan <vandana.kannan at intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre