drm/sun4i: Drop hardcoded .possible_crtcs values from layers
To support multiple display pipelines, we would have multiple crtcs, with one or more planes bound to them. Obviously having hardcoded values for the drm_plane .possible_crtcs field is not going to work. For primary and cursor planes, the value is set by drm_crtc_init_with_planes. We just need to set it for overlay planes. We also fix the value set for the RGB encoder, by referencing the crtc set in sun4i_drv. Signed-off-by: NChen-Yu Tsai <wens@csie.org> Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>
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