[PATCH v7 04/13] drm/sun4i: return only planes for layers created

Maxime Ripard maxime.ripard at free-electrons.com
Mon May 15 02:24:53 PDT 2017


On Mon, May 15, 2017 at 12:30:36AM +0800, Icenowy Zheng wrote:
> As we are going to add support for the Allwinner DE2 Mixer in sun4i-drm
> driver, we will finally have two types of layers.
> 
> Each layer is bound to a drm_plane that is CRTC-specific, so we create
> them when initializing CRTC (calling sun4i_layers_init, which will be
> generalized in next patch). The drm_plane's will be used when creating
> CRTC, but the CRTC initialization code do not care other properties of
> the layer, so we let the sun4i_layers_init function return drm_plane's
> only.
> 
> As we have no need to trace the layers after the CRTC is properly
> created, we drop the layers pointer in sun4i_crtc struct.
> 
> Doing this uncouples the CRTC code from the type of layer (the
> sun4i_layers_init function name is still hardcoded and will be changed
> in the next patch), so that we can finally gain support for the
> mixer in DE2, which has different layers.
> 
> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
> Reviewed-by: Chen-Yu Tsai <wens at csie.org>

Applied, thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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