Re: [PATCH v2 1/4] drm/i915/glk: Fix watermark computations for third sprite plane

[Ander Conselvan De Oliveira <conselvan2@gmail.com>]

On Thu, 2017-02-23 at 12:02 +0200, Ville Syrjälä wrote:
> On Thu, Feb 23, 2017 at 09:15:57AM +0200, Ander Conselvan de Oliveira wrote:
> > Geminilake has a third sprite plane (or fourth universal plane) that is
> > independent from the cursor. Make sure that for_each_plane_id_on_crtc()
> > is aware of that extra plane so that the watermark code takes it into
> > account.
> 
> I wonder if we still have various pin_count limits and whatnot based on
> some hardcoded theoretical max numner of planes...

Where were those before? I can't see anything obvious but I also don't know
where to look for them?

Ander

> > Fixes: e9c9882556fc ("drm/i915/glk: Configure number of sprite planes properly")
> > Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
> > Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> > Cc: Daniel Vetter <daniel.vetter@intel.com>
> > Cc: Jani Nikula <jani.nikula@linux.intel.com>
> > Cc: intel-gfx@lists.freedesktop.org
> > Cc: <drm-intel-fixes@lists.freedesktop.org>
> > Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> > ---
> >  drivers/gpu/drm/i915/i915_drv.h | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> > index e346b2d..70892ea 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -293,6 +293,7 @@ enum plane_id {
> >  	PLANE_PRIMARY,
> >  	PLANE_SPRITE0,
> >  	PLANE_SPRITE1,
> > +	PLANE_SPRITE2,
> >  	PLANE_CURSOR,
> >  	I915_MAX_PLANES,
> >  };
> > -- 
> > 2.9.3
> 
> 
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