When DRM_CHIPONE_ICN6211 is selected, and DRM_KMS_HELPER is not selected, Kbuild gives the following warning:
WARNING: unmet direct dependencies detected for DRM_PANEL_BRIDGE Depends on [n]: HAS_IOMEM [=y] && DRM_BRIDGE [=y] && DRM_KMS_HELPER [=n] Selected by [y]: - DRM_CHIPONE_ICN6211 [=y] && HAS_IOMEM [=y] && DRM [=y] && DRM_BRIDGE [=y] && OF [=y]
This is because DRM_CHIPONE_ICN6211 selects DRM_PANEL_BRIDGE without depending on or selecting DRM_KMS_HELPER, despite DRM_PANEL_BRIDGE depending on DRM_KMS_HELPER.
This unmet dependency bug was detected by Kismet, a static analysis tool for Kconfig. Please advise if this is not the appropriate solution.
Fixes: ce517f18944e ("drm: bridge: Add Chipone ICN6211 MIPI-DSI to RGB bridge") Reviewed-by: Robert Foss robert.foss@linaro.org Signed-off-by: Julian Braha julianbraha@gmail.com --- drivers/gpu/drm/bridge/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 431b6e12a81f..a630cb8fd1c8 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -30,6 +30,7 @@ config DRM_CDNS_DSI config DRM_CHIPONE_ICN6211 tristate "Chipone ICN6211 MIPI-DSI/RGB Converter bridge" depends on OF + select DRM_KMS_HELPER select DRM_MIPI_DSI select DRM_PANEL_BRIDGE help -- 2.30.2