[Intel-gfx] [PATCH 04/12] drm/i915: Remove double wait_for_vblank on broadwell.

[Ville Syrjälä]

On Wed, Nov 25, 2015 at 11:44:48AM +0200, Ander Conselvan De Oliveira wrote:
> On Thu, 2015-11-19 at 16:07 +0100, Maarten Lankhorst wrote:
> > wait_vblank is already set in intel_plane_atomic_calc_changes
> > for broadwell, waiting for a double vblank is overkill.
> > 
> > Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> 
> Reviewed-by: Ander Conselvan de Oliveira <conselvan2 at gmail.com>

I see this one got merged without the r-b tag in the commit message.

> 
> > ---
> >  drivers/gpu/drm/i915/intel_display.c | 8 --------
> >  1 file changed, 8 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_display.c
> > b/drivers/gpu/drm/i915/intel_display.c
> > index 5345ffcce51e..60f17bc5f0ce 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -4657,14 +4657,6 @@ intel_post_enable_primary(struct drm_crtc *crtc)
> >  	int pipe = intel_crtc->pipe;
> >  
> >  	/*
> > -	 * BDW signals flip done immediately if the plane
> > -	 * is disabled, even if the plane enable is already
> > -	 * armed to occur at the next vblank :(
> > -	 */
> > -	if (IS_BROADWELL(dev))
> > -		intel_wait_for_vblank(dev, pipe);
> > -
> > -	/*
> >  	 * FIXME IPS should be fine as long as one plane is
> >  	 * enabled, but in practice it seems to have problems
> >  	 * when going from primary only to sprite only and vice
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-- 
Ville Syrjälä
Intel OTC