From: Ville Syrjälä <ville.syrjala at linux.intel.com> Add a function to create a standards compliant rotation property. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Tested-by: Sagar Kamble <sagar.a.kamble@xxxxxxxxx> --- drivers/gpu/drm/drm_crtc.c | 18 ++++++++++++++++++ include/drm/drm_crtc.h | 2 ++ 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 628d3d3..4983c6e 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -4118,3 +4118,21 @@ void drm_mode_config_cleanup(struct drm_device *dev) idr_destroy(&dev->mode_config.crtc_idr); } 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); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 41b86d2..4b3ac70 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -1183,6 +1183,8 @@ 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 */ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, -- 1.8.5 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx