On 24/03/2025 22:08, Arnd Bergmann wrote:
From: Arnd Bergmann <a...@arndb.de>

This fails to build without the KMS helper functions:

x86_64-linux-ld: drivers/gpu/drm/bridge/tda998x_drv.o: in function 
`tda998x_detect_work':
tda998x_drv.c:(.text+0x4e6): undefined reference to 
`drm_kms_helper_hotplug_event'
x86_64-linux-ld: drivers/gpu/drm/bridge/tda998x_drv.o: in function 
`tda998x_bind':
tda998x_drv.c:(.text.unlikely+0x33): undefined reference to 
`drm_simple_encoder_init'
x86_64-linux-ld: drivers/gpu/drm/bridge/tda998x_drv.o:(.rodata+0x584): 
undefined reference to `drm_atomic_helper_connector_reset'
x86_64-linux-ld: drivers/gpu/drm/bridge/tda998x_drv.o:(.rodata+0x590): 
undefined reference to `drm_helper_probe_single_connector_modes'
x86_64-linux-ld: drivers/gpu/drm/bridge/tda998x_drv.o:(.rodata+0x5a4): 
undefined reference to `drm_atomic_helper_connector_duplicate_state'
x86_64-linux-ld: drivers/gpu/drm/bridge/tda998x_drv.o:(.rodata+0x5a8): 
undefined reference to `drm_atomic_helper_connector_destroy_state'

Select the missing symbol and fix up the broken whitespace.

Fixes: 325ba852d148 ("drm/i2c: move TDA998x driver under 
drivers/gpu/drm/bridge")
Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
  drivers/gpu/drm/bridge/Kconfig | 13 +++++++------
  1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index d20f1646dac2..09a1be234f71 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -91,12 +91,13 @@ config DRM_FSL_LDB
          Support for i.MX8MP DPI-to-LVDS on-SoC encoder.
config DRM_I2C_NXP_TDA998X
-       tristate "NXP Semiconductors TDA998X HDMI encoder"
-       default m if DRM_TILCDC
-       select CEC_CORE if CEC_NOTIFIER
-       select SND_SOC_HDMI_CODEC if SND_SOC
-       help
-         Support for NXP Semiconductors TDA998X HDMI encoders.
+       tristate "NXP Semiconductors TDA998X HDMI encoder"
+       default m if DRM_TILCDC
+       select CEC_CORE if CEC_NOTIFIER
+       select DRM_KMS_HELPER
+       select SND_SOC_HDMI_CODEC if SND_SOC
+       help
+         Support for NXP Semiconductors TDA998X HDMI encoders.
config DRM_ITE_IT6263
        tristate "ITE IT6263 LVDS/HDMI bridge"

Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>

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