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a0a68fb687
sun4i_layer only controls the backend hardware block of the display pipeline. Pass pointers to the underlying backend in the layer init function, instead of trying to fetch it from the drm_device structure. This avoids the headache of trying to figure out which device the layers actually belong to. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
32 lines
834 B
C
32 lines
834 B
C
/*
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* Copyright (C) 2015 Free Electrons
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* Copyright (C) 2015 NextThing Co
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*
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* Maxime Ripard <maxime.ripard@free-electrons.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*/
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#ifndef _SUN4I_LAYER_H_
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#define _SUN4I_LAYER_H_
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struct sun4i_layer {
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struct drm_plane plane;
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struct sun4i_drv *drv;
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struct sun4i_backend *backend;
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int id;
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};
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static inline struct sun4i_layer *
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plane_to_sun4i_layer(struct drm_plane *plane)
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{
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return container_of(plane, struct sun4i_layer, plane);
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}
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struct sun4i_layer **sun4i_layers_init(struct drm_device *drm,
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struct sun4i_backend *backend);
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#endif /* _SUN4I_LAYER_H_ */
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