1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef __INTEL_ATOMIC_PLANE_H__
7 #define __INTEL_ATOMIC_PLANE_H__
8 
9 #include <linux/types.h>
10 
11 struct drm_plane;
12 struct drm_property;
13 struct intel_atomic_state;
14 struct intel_crtc;
15 struct intel_crtc_state;
16 struct intel_plane;
17 struct intel_plane_state;
18 
19 extern const struct drm_plane_helper_funcs intel_plane_helper_funcs;
20 
21 unsigned int intel_plane_pixel_rate(const struct intel_crtc_state *crtc_state,
22 				    const struct intel_plane_state *plane_state);
23 
24 unsigned int intel_plane_data_rate(const struct intel_crtc_state *crtc_state,
25 				   const struct intel_plane_state *plane_state);
26 void intel_plane_copy_uapi_to_hw_state(struct intel_plane_state *plane_state,
27 				       const struct intel_plane_state *from_plane_state,
28 				       struct intel_crtc *crtc);
29 void intel_plane_copy_hw_state(struct intel_plane_state *plane_state,
30 			       const struct intel_plane_state *from_plane_state);
31 void intel_update_plane(struct intel_plane *plane,
32 			const struct intel_crtc_state *crtc_state,
33 			const struct intel_plane_state *plane_state);
34 void intel_disable_plane(struct intel_plane *plane,
35 			 const struct intel_crtc_state *crtc_state);
36 struct intel_plane *intel_plane_alloc(void);
37 void intel_plane_free(struct intel_plane *plane);
38 struct drm_plane_state *intel_plane_duplicate_state(struct drm_plane *plane);
39 void intel_plane_destroy_state(struct drm_plane *plane,
40 			       struct drm_plane_state *state);
41 void skl_update_planes_on_crtc(struct intel_atomic_state *state,
42 			       struct intel_crtc *crtc);
43 void i9xx_update_planes_on_crtc(struct intel_atomic_state *state,
44 				struct intel_crtc *crtc);
45 int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_state,
46 					struct intel_crtc_state *crtc_state,
47 					const struct intel_plane_state *old_plane_state,
48 					struct intel_plane_state *intel_state);
49 int intel_plane_atomic_check(struct intel_atomic_state *state,
50 			     struct intel_plane *plane);
51 int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state,
52 				    struct intel_crtc_state *crtc_state,
53 				    const struct intel_plane_state *old_plane_state,
54 				    struct intel_plane_state *plane_state);
55 int intel_plane_calc_min_cdclk(struct intel_atomic_state *state,
56 			       struct intel_plane *plane,
57 			       bool *need_cdclk_calc);
58 int intel_atomic_plane_check_clipping(struct intel_plane_state *plane_state,
59 				      struct intel_crtc_state *crtc_state,
60 				      int min_scale, int max_scale,
61 				      bool can_position);
62 void intel_plane_set_invisible(struct intel_crtc_state *crtc_state,
63 			       struct intel_plane_state *plane_state);
64 
65 #endif /* __INTEL_ATOMIC_PLANE_H__ */
66