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drm/sun4i: backend: Add a custom plane state

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We will need to store some additional data in the future to the state.
Create a custom plane state that will embed those data, in order to store
the pipe or whether or not that plane should use the frontend.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/88dd9c2b0caa550595e7b2ff37dc9d0af2c78609.1516613040.git-series.maxime.ripard@free-electrons.com
This commit is contained in:
Maxime Ripard
2018-01-22 10:25:18 +01:00
parent 9f4ebf670d
commit d540f82adf
2 changed files with 57 additions and 3 deletions
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10
drivers/gpu/drm/sun4i/sun4i_layer.h
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@@ -22,12 +22,22 @@ struct sun4i_layer {
int id;
};
struct sun4i_layer_state {
struct drm_plane_state state;
};
static inline struct sun4i_layer *
plane_to_sun4i_layer(struct drm_plane *plane)
{
return container_of(plane, struct sun4i_layer, plane);
}
static inline struct sun4i_layer_state *
state_to_sun4i_layer_state(struct drm_plane_state *state)
{
return container_of(state, struct sun4i_layer_state, state);
}
struct drm_plane **sun4i_layers_init(struct drm_device *drm,
struct sunxi_engine *engine);