Re: [PATCH 3/3] drm/i915/glk: Fix Geminilake scalers mode programming

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On Wed, 2017-02-22 at 16:41 +0200, Ville Syrjälä wrote:
> On Wed, Feb 22, 2017 at 12:29:09PM +0200, Ander Conselvan de Oliveira wrote:
> > Geminilake scalers can do 7x7 filtering for all supported input sizes,
> > so it doesn't need the "high quality" mode programming, which was
> > actually removed from that platform.
> > 
> > Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_atomic.c  | 14 ++++++++------
> >  drivers/gpu/drm/i915/intel_display.c |  2 +-
> >  drivers/gpu/drm/i915/intel_drv.h     |  6 +++---
> >  3 files changed, 12 insertions(+), 10 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
> > index aa9160e..e65818e 100644
> > --- a/drivers/gpu/drm/i915/intel_atomic.c
> > +++ b/drivers/gpu/drm/i915/intel_atomic.c
> > @@ -121,7 +121,7 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
> >  
> >  /**
> >   * intel_atomic_setup_scalers() - setup scalers for crtc per staged requests
> > - * @dev: DRM device
> > + * @dev_priv: i915 device
> 
> This change makes the diff quite messy for what's essentially a
> addition of two lines of code.

There's no dev_priv in that function. While adding the dev_priv, it just seemed
like pure laziness not to change the parameter. Didn't seem like a big deal
since it has only one caller, but I'll split if you insist.

Ander

> 
> >   * @crtc: intel crtc
> >   * @crtc_state: incoming crtc_state to validate and setup scalers
> >   *
> > @@ -136,9 +136,9 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
> >   *         0 - scalers were setup succesfully
> >   *         error code - otherwise
> >   */
> > -int intel_atomic_setup_scalers(struct drm_device *dev,
> > -	struct intel_crtc *intel_crtc,
> > -	struct intel_crtc_state *crtc_state)
> > +int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
> > +			       struct intel_crtc *intel_crtc,
> > +			       struct intel_crtc_state *crtc_state)
> >  {
> >  	struct drm_plane *plane = NULL;
> >  	struct intel_plane *intel_plane;
> > @@ -199,7 +199,7 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
> >  			 */
> >  			if (!plane) {
> >  				struct drm_plane_state *state;
> > -				plane = drm_plane_from_index(dev, i);
> > +				plane = drm_plane_from_index(&dev_priv->drm, i);
> >  				state = drm_atomic_get_plane_state(drm_state, plane);
> >  				if (IS_ERR(state)) {
> >  					DRM_DEBUG_KMS("Failed to add [PLANE:%d] to drm_state\n",
> > @@ -247,7 +247,9 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
> >  		}
> >  
> >  		/* set scaler mode */
> > -		if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) {
> > +		if (IS_GEMINILAKE(dev_priv)) {
> > +			scaler_state->scalers[*scaler_id].mode = 0;
> > +		} else if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) {
> >  			/*
> >  			 * when only 1 scaler is in use on either pipe A or B,
> >  			 * scaler 0 operates in high quality (HQ) mode.
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index 000fb31..65e76d1 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -10959,7 +10959,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
> >  			ret = skl_update_scaler_crtc(pipe_config);
> >  
> >  		if (!ret)
> > -			ret = intel_atomic_setup_scalers(dev, intel_crtc,
> > +			ret = intel_atomic_setup_scalers(dev_priv, intel_crtc,
> >  							 pipe_config);
> >  	}
> >  
> > diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> > index 0edc499..d9d96d6 100644
> > --- a/drivers/gpu/drm/i915/intel_drv.h
> > +++ b/drivers/gpu/drm/i915/intel_drv.h
> > @@ -1910,9 +1910,9 @@ intel_atomic_get_existing_plane_state(struct drm_atomic_state *state,
> >  	return to_intel_plane_state(plane_state);
> >  }
> >  
> > -int intel_atomic_setup_scalers(struct drm_device *dev,
> > -	struct intel_crtc *intel_crtc,
> > -	struct intel_crtc_state *crtc_state);
> > +int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
> > +			       struct intel_crtc *intel_crtc,
> > +			       struct intel_crtc_state *crtc_state);
> >  
> >  /* intel_atomic_plane.c */
> >  struct intel_plane_state *intel_create_plane_state(struct drm_plane *plane);
> > -- 
> > 2.9.3
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> 
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