diff options
Diffstat (limited to 'include/drm/drm_atomic_helper.h')
-rw-r--r-- | include/drm/drm_atomic_helper.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 4045e2507e11..06d8902a8097 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -34,18 +34,32 @@ #include <drm/drm_atomic_state_helper.h> #include <drm/drm_util.h> +/* + * Drivers that don't allow primary plane scaling may pass this macro in place + * of the min/max scale parameters of the plane-state checker function. + * + * Due to src being in 16.16 fixed point and dest being in integer pixels, + * 1<<16 represents no scaling. + */ +#define DRM_PLANE_NO_SCALING (1<<16) + struct drm_atomic_state; struct drm_private_obj; struct drm_private_state; int drm_atomic_helper_check_modeset(struct drm_device *dev, struct drm_atomic_state *state); +int +drm_atomic_helper_check_wb_encoder_state(struct drm_encoder *encoder, + struct drm_connector_state *conn_state); int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state, const struct drm_crtc_state *crtc_state, int min_scale, int max_scale, bool can_position, bool can_update_disabled); +int drm_atomic_helper_check_crtc_state(struct drm_crtc_state *crtc_state, + bool can_disable_primary_plane); int drm_atomic_helper_check_planes(struct drm_device *dev, struct drm_atomic_state *state); int drm_atomic_helper_check(struct drm_device *dev, |