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Commit c1df5f3c authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
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drm: Add drm_mode_create_rotation_property() 



Add a function to create a standards compliant rotation property.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Acked-by: default avatarDave Airlie <airlied@linux.ie>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 7689ffb3

drivers/gpu/drm/drm_crtc.c

+18 −0
Original line number Diff line number Diff line
@@ -4959,3 +4959,21 @@ void drm_mode_config_cleanup(struct drm_device *dev) 
	drm_modeset_lock_fini(&dev->mode_config.connection_mutex);

}

EXPORT_SYMBOL(drm_mode_config_cleanup);



struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,

						       unsigned int supported_rotations)

{

	static const struct drm_prop_enum_list props[] = {

		{ DRM_ROTATE_0,   "rotate-0" },

		{ DRM_ROTATE_90,  "rotate-90" },

		{ DRM_ROTATE_180, "rotate-180" },

		{ DRM_ROTATE_270, "rotate-270" },

		{ DRM_REFLECT_X,  "reflect-x" },

		{ DRM_REFLECT_Y,  "reflect-y" },

	};



	return drm_property_create_bitmask(dev, 0, "rotation",

					   props, ARRAY_SIZE(props),

					   supported_rotations);

}

EXPORT_SYMBOL(drm_mode_create_rotation_property);

include/drm/drm_crtc.h

+2 −0
Original line number Diff line number Diff line
@@ -1113,6 +1113,8 @@ extern int drm_format_plane_cpp(uint32_t format, int plane); 
extern int drm_format_horz_chroma_subsampling(uint32_t format);

extern int drm_format_vert_chroma_subsampling(uint32_t format);

extern const char *drm_get_format_name(uint32_t format);

extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,

							      unsigned int supported_rotations);



/* Helpers */