diff --git a/drivers/gpu/drm/bridge/imx/Kconfig b/drivers/gpu/drm/bridge/imx/Kconfig index 9b8c4a4e2532..c68ce7c7f7b2 100644 --- a/drivers/gpu/drm/bridge/imx/Kconfig +++ b/drivers/gpu/drm/bridge/imx/Kconfig @@ -1,5 +1,8 @@ if ARCH_MXC || COMPILE_TEST +config DRM_IMX_LDB_HELPER + tristate + config DRM_IMX8MP_DW_HDMI_BRIDGE tristate "Freescale i.MX8MP HDMI-TX bridge support" depends on OF diff --git a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c index 26274fb2d91e..9b5bebbe357d 100644 --- a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c +++ b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c @@ -4,8 +4,10 @@ * Copyright 2019,2020,2022 NXP */ +#include #include #include +#include #include #include @@ -19,12 +21,14 @@ bool ldb_channel_is_single_link(struct ldb_channel *ldb_ch) { return ldb_ch->link_type == LDB_CH_SINGLE_LINK; } +EXPORT_SYMBOL_GPL(ldb_channel_is_single_link); bool ldb_channel_is_split_link(struct ldb_channel *ldb_ch) { return ldb_ch->link_type == LDB_CH_DUAL_LINK_EVEN_ODD_PIXELS || ldb_ch->link_type == LDB_CH_DUAL_LINK_ODD_EVEN_PIXELS; } +EXPORT_SYMBOL_GPL(ldb_channel_is_split_link); int ldb_bridge_atomic_check_helper(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, @@ -38,6 +42,7 @@ int ldb_bridge_atomic_check_helper(struct drm_bridge *bridge, return 0; } +EXPORT_SYMBOL_GPL(ldb_bridge_atomic_check_helper); void ldb_bridge_mode_set_helper(struct drm_bridge *bridge, const struct drm_display_mode *mode, @@ -69,6 +74,7 @@ void ldb_bridge_mode_set_helper(struct drm_bridge *bridge, break; } } +EXPORT_SYMBOL_GPL(ldb_bridge_mode_set_helper); void ldb_bridge_enable_helper(struct drm_bridge *bridge) { @@ -81,6 +87,7 @@ void ldb_bridge_enable_helper(struct drm_bridge *bridge) */ regmap_write(ldb->regmap, ldb->ctrl_reg, ldb->ldb_ctrl); } +EXPORT_SYMBOL_GPL(ldb_bridge_enable_helper); void ldb_bridge_disable_helper(struct drm_bridge *bridge) { @@ -95,6 +102,7 @@ void ldb_bridge_disable_helper(struct drm_bridge *bridge) regmap_write(ldb->regmap, ldb->ctrl_reg, ldb->ldb_ctrl); } +EXPORT_SYMBOL_GPL(ldb_bridge_disable_helper); int ldb_bridge_attach_helper(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) @@ -112,6 +120,7 @@ int ldb_bridge_attach_helper(struct drm_bridge *bridge, ldb_ch->next_bridge, bridge, DRM_BRIDGE_ATTACH_NO_CONNECTOR); } +EXPORT_SYMBOL_GPL(ldb_bridge_attach_helper); int ldb_init_helper(struct ldb *ldb) { @@ -152,6 +161,7 @@ int ldb_init_helper(struct ldb *ldb) return 0; } +EXPORT_SYMBOL_GPL(ldb_init_helper); int ldb_find_next_bridge_helper(struct ldb *ldb) { @@ -179,6 +189,7 @@ int ldb_find_next_bridge_helper(struct ldb *ldb) return 0; } +EXPORT_SYMBOL_GPL(ldb_find_next_bridge_helper); void ldb_add_bridge_helper(struct ldb *ldb, const struct drm_bridge_funcs *bridge_funcs) @@ -199,6 +210,7 @@ void ldb_add_bridge_helper(struct ldb *ldb, drm_bridge_add(&ldb_ch->bridge); } } +EXPORT_SYMBOL_GPL(ldb_add_bridge_helper); void ldb_remove_bridge_helper(struct ldb *ldb) { @@ -214,3 +226,8 @@ void ldb_remove_bridge_helper(struct ldb *ldb) drm_bridge_remove(&ldb_ch->bridge); } } +EXPORT_SYMBOL_GPL(ldb_remove_bridge_helper); + +MODULE_DESCRIPTION("i.MX8 LVDS Display Bridge(LDB)/Pixel Mapper bridge helper"); +MODULE_AUTHOR("Liu Ying "); +MODULE_LICENSE("GPL");