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24 #ifndef DRM_PLANE_HELPER_H
25 #define DRM_PLANE_HELPER_H
27 #include <drm/drm_rect.h>
28 #include <drm/drm_crtc.h>
29 #include <drm/drm_modeset_helper_vtables.h>
30 #include <drm/drm_modeset_helper.h>
33 * Drivers that don't allow primary plane scaling may pass this macro in place
34 * of the min/max scale parameters of the update checker function.
36 * Due to src being in 16.16 fixed point and dest being in integer pixels,
37 * 1<<16 represents no scaling.
39 #define DRM_PLANE_HELPER_NO_SCALING (1<<16)
41 int drm_plane_helper_check_update(struct drm_plane *plane,
42 struct drm_crtc *crtc,
43 struct drm_framebuffer *fb,
45 struct drm_rect *dest,
46 unsigned int rotation,
50 bool can_update_disabled,
52 int drm_primary_helper_update(struct drm_plane *plane,
53 struct drm_crtc *crtc,
54 struct drm_framebuffer *fb,
55 int crtc_x, int crtc_y,
56 unsigned int crtc_w, unsigned int crtc_h,
57 uint32_t src_x, uint32_t src_y,
58 uint32_t src_w, uint32_t src_h,
59 struct drm_modeset_acquire_ctx *ctx);
60 int drm_primary_helper_disable(struct drm_plane *plane,
61 struct drm_modeset_acquire_ctx *ctx);
62 void drm_primary_helper_destroy(struct drm_plane *plane);
63 extern const struct drm_plane_funcs drm_primary_helper_funcs;
65 int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc,
66 struct drm_framebuffer *fb,
67 int crtc_x, int crtc_y,
68 unsigned int crtc_w, unsigned int crtc_h,
69 uint32_t src_x, uint32_t src_y,
70 uint32_t src_w, uint32_t src_h,
71 struct drm_modeset_acquire_ctx *ctx);
72 int drm_plane_helper_disable(struct drm_plane *plane,
73 struct drm_modeset_acquire_ctx *ctx);
75 /* For use by drm_crtc_helper.c */
76 int drm_plane_helper_commit(struct drm_plane *plane,
77 struct drm_plane_state *plane_state,
78 struct drm_framebuffer *old_fb);