On Thu, May 4, 2017 at 7:41 PM, Icenowy Zheng <icenowy@xxxxxxx> 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 these things makes the CRTC code independent to the type of layer 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 will has different layers. ... which has ... > > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx> Otherwise, Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
