Re: [PATCH 2/4] drm/i915: Check for id==PLANE_CURSOR instead of type==DRM_PLANE_TYPE_CURSOR

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On Fri, Mar 03, 2017 at 05:19:26PM +0200, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> The VLV/CHV watermark calculation is really interested in the hardware
> plane type rather than the plane type (which is more of a software
> concept). Let's check plane->id rather plane->type.
> 
> No functional changes.

When will they differ? Is this for multipurpose planes, such as a sprite
that we treat as a cursor for simplicity?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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