| 25,6 → 25,7 |
|---|
| #define DRM_PLANE_HELPER_H |
| |
| #include <drm/drm_rect.h> |
| #include <drm/drm_crtc.h> |
| |
| /* |
| * Drivers that don't allow primary plane scaling may pass this macro in place |
| 42,6 → 43,37 |
|---|
| * planes. |
| */ |
| |
| extern int drm_crtc_init(struct drm_device *dev, |
| struct drm_crtc *crtc, |
| const struct drm_crtc_funcs *funcs); |
| |
| /** |
| * drm_plane_helper_funcs - helper operations for CRTCs |
| * @prepare_fb: prepare a framebuffer for use by the plane |
| * @cleanup_fb: cleanup a framebuffer when it's no longer used by the plane |
| * @atomic_check: check that a given atomic state is valid and can be applied |
| * @atomic_update: apply an atomic state to the plane |
| * |
| * The helper operations are called by the mid-layer CRTC helper. |
| */ |
| struct drm_plane_helper_funcs { |
| int (*prepare_fb)(struct drm_plane *plane, |
| struct drm_framebuffer *fb); |
| void (*cleanup_fb)(struct drm_plane *plane, |
| struct drm_framebuffer *fb); |
| |
| int (*atomic_check)(struct drm_plane *plane, |
| struct drm_plane_state *state); |
| void (*atomic_update)(struct drm_plane *plane, |
| struct drm_plane_state *old_state); |
| }; |
| |
| static inline void drm_plane_helper_add(struct drm_plane *plane, |
| const struct drm_plane_helper_funcs *funcs) |
| { |
| plane->helper_private = (void *)funcs; |
| } |
| |
| extern int drm_plane_helper_check_update(struct drm_plane *plane, |
| struct drm_crtc *crtc, |
| struct drm_framebuffer *fb, |
| 68,4 → 100,16 |
|---|
| int num_formats); |
| |
| |
| int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc, |
| struct drm_framebuffer *fb, |
| int crtc_x, int crtc_y, |
| unsigned int crtc_w, unsigned int crtc_h, |
| uint32_t src_x, uint32_t src_y, |
| uint32_t src_w, uint32_t src_h); |
| int drm_plane_helper_disable(struct drm_plane *plane); |
| |
| /* For use by drm_crtc_helper.c */ |
| int drm_plane_helper_commit(struct drm_plane *plane, |
| struct drm_plane_state *plane_state, |
| struct drm_framebuffer *old_fb); |
| #endif |