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7921e1477a
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@aosc.io> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.