From: Arnd Bergmann <arnd@xxxxxxxx> This driver calls directly into DRM functions and fails to link if that is disabled: ld.lld: error: undefined symbol: devm_drm_bridge_add ld.lld: error: undefined symbol: devm_drm_of_get_bridge >>> referenced by nb7vpq904m.c >>> drivers/usb/typec/mux/nb7vpq904m.o:(nb7vpq904m_probe) in archive vmlinux.a Fixes: 88d8f3ac9c67e ("usb: typec: add support for the nb7vpq904m Type-C Linear Redriver") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/usb/typec/mux/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig index 8c4d6b8fb75c3..f53ae24b6c048 100644 --- a/drivers/usb/typec/mux/Kconfig +++ b/drivers/usb/typec/mux/Kconfig @@ -37,7 +37,7 @@ config TYPEC_MUX_INTEL_PMC config TYPEC_MUX_NB7VPQ904M tristate "On Semiconductor NB7VPQ904M Type-C redriver driver" - depends on I2C + depends on I2C && DRM select REGMAP_I2C help Say Y or M if your system has a On Semiconductor NB7VPQ904M Type-C -- 2.39.2