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drm/bridge: imx: fix mixed module-builtin object #34

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drm/bridge: imx: fix mixed module-builtin object #34

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3 changes: 3 additions & 0 deletions drivers/gpu/drm/bridge/imx/Kconfig
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Original file line number Diff line number Diff line change
@@ -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
Expand Down
17 changes: 17 additions & 0 deletions drivers/gpu/drm/bridge/imx/imx-ldb-helper.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,10 @@
* Copyright 2019,2020,2022 NXP
*/

#include <linux/export.h>
#include <linux/media-bus-format.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regmap.h>

Expand All @@ -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,
Expand All @@ -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,
Expand Down Expand Up @@ -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)
{
Expand All @@ -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)
{
Expand All @@ -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)
Expand All @@ -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)
{
Expand Down Expand Up @@ -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)
{
Expand Down Expand Up @@ -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)
Expand All @@ -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)
{
Expand All @@ -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 <victor.liu@nxp.com>");
MODULE_LICENSE("GPL");