Re: [PATCH v2] drm/i915: Clean up skl_plane_has_planar()

From: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com
Subject: Re: [PATCH v2] drm/i915: Clean up skl_plane_has_planar()
Date: Tue, 28 Aug 2018 12:45:58 -0700	[thread overview]
Message-ID: <39c195a7ce5a908ea68f8adde3b0a33edbb8a6a0.camel@intel.com> (raw)
In-Reply-To: <20180828124529.GY5565@intel.com>


On Tue, 2018-08-28 at 15:45 +0300, Ville Syrjälä wrote:
> On Mon, Aug 27, 2018 at 03:56:24PM -0700, Dhinakaran Pandiyan wrote:
> > skl_plane_has_planar is hard to read, simplify the logic by
> > checking for
> > support in the order of platform, pipe and plane.
> > 
> > No change in functionality intended.
> > v2: Fix logic for primary plane (Ville)
> > 
> > Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
Thank you, pushed the series.

-DK

> > ---
> >  drivers/gpu/drm/i915/intel_display.c | 27 +++++++++---------------
> > ---
> >  1 file changed, 9 insertions(+), 18 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_display.c
> > b/drivers/gpu/drm/i915/intel_display.c
> > index 30fdfd1a3037..178552db1552 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -13622,24 +13622,15 @@ static bool skl_plane_has_fbc(struct
> > drm_i915_private *dev_priv,
> >  bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
> >  			  enum pipe pipe, enum plane_id plane_id)
> >  {
> > -	if (plane_id == PLANE_PRIMARY) {
> > -		if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
> > -			return false;
> > -		else if ((INTEL_GEN(dev_priv) == 9 && pipe ==
> > PIPE_C) &&
> > -			 !IS_GEMINILAKE(dev_priv))
> > -			return false;
> > -	} else if (plane_id >= PLANE_SPRITE0) {
> > -		if (plane_id == PLANE_CURSOR)
> > -			return false;
> > -		if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv)
> > == 10) {
> > -			if (plane_id != PLANE_SPRITE0)
> > -				return false;
> > -		} else {
> > -			if (plane_id != PLANE_SPRITE0 || pipe ==
> > PIPE_C ||
> > -			    IS_SKYLAKE(dev_priv) ||
> > IS_BROXTON(dev_priv))
> > -				return false;
> > -		}
> > -	}
> > +	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
> > +		return false;
> > +
> > +	if (INTEL_GEN(dev_priv) == 9 && !IS_GEMINILAKE(dev_priv)
> > && pipe == PIPE_C)
> > +		return false;
> > +
> > +	if (plane_id != PLANE_PRIMARY && plane_id !=
> > PLANE_SPRITE0)
> > +		return false;
> > +
> >  	return true;
> >  }
> >  
> > -- 
> > 2.17.1
> 
> 
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