From: Ville Syrjälä Date: Tue, 8 Jul 2014 05:01:53 +0000 (+0530) Subject: drm: Add drm_mode_create_rotation_property() X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=c1df5f3c2d665f1a5b365d1e352e99832f188fda;p=openwrt%2Fstaging%2Fblogic.git drm: Add drm_mode_create_rotation_property() Add a function to create a standards compliant rotation property. Signed-off-by: Ville Syrjälä Reviewed-by: Imre Deak Acked-by: Dave Airlie Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 2fbee61d632d..f224d4d1c0ed 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -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); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index cb4850a2b0c1..f7b383bcb6b6 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -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 */