The Lontium DRM bridge drivers use mipi_dsi_() function interfaces so
they need to select DRM_MIPI_DSI to prevent build errors.
ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko]
undefined!
ERROR: modpost: "mipi_dsi_device_register_full"
[drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "of_find_mipi_dsi_host_by_node"
[drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "mipi_dsi_device_unregister"
[drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko]
undefined!
ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/lontium-lt9611.ko]
undefined!
ERROR: modpost: "mipi_dsi_device_register_full"
[drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
ERROR: modpost: "of_find_mipi_dsi_host_by_node"
[drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
ERROR: modpost: "mipi_dsi_device_unregister"
[drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/lontium-lt9611.ko]
undefined!
WARNING: modpost: suppressed 5 unresolved symbol warnings because there were
too many)
Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
Fixes: 0cbbd5b1a012 ("drm: bridge: add support for lontium LT9611UXC bridge")
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Signed-off-by: Randy Dunlap <[email protected]>
Reported-by: kernel test robot <[email protected]>
Cc: Dmitry Baryshkov <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Vinod Koul <[email protected]>
Cc: Bjorn Andersson <[email protected]>
Cc: Srinivas Kandagatla <[email protected]>
Cc: Adrien Grassein <[email protected]>
Cc: Andrzej Hajda <[email protected]>
Cc: Neil Armstrong <[email protected]>
Cc: Robert Foss <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
drivers/gpu/drm/bridge/Kconfig | 3 +++
1 file changed, 3 insertions(+)
--- linux-next-20210414.orig/drivers/gpu/drm/bridge/Kconfig
+++ linux-next-20210414/drivers/gpu/drm/bridge/Kconfig
@@ -66,6 +66,7 @@ config DRM_LONTIUM_LT8912B
depends on OF
select DRM_PANEL_BRIDGE
select DRM_KMS_HELPER
+ select DRM_MIPI_DSI
select REGMAP_I2C
help
Driver for Lontium LT8912B DSI to HDMI bridge
@@ -81,6 +82,7 @@ config DRM_LONTIUM_LT9611
depends on OF
select DRM_PANEL_BRIDGE
select DRM_KMS_HELPER
+ select DRM_MIPI_DSI
select REGMAP_I2C
help
Driver for Lontium LT9611 DSI to HDMI bridge
@@ -94,6 +96,7 @@ config DRM_LONTIUM_LT9611UXC
depends on OF
select DRM_PANEL_BRIDGE
select DRM_KMS_HELPER
+ select DRM_MIPI_DSI
select REGMAP_I2C
help
Driver for Lontium LT9611UXC DSI to HDMI bridge
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