Hi Lubomir. > > > > > + select BACKLIGHT_CLASS_DEVICE > > Please use a depends - using select on a symbol with a prompt is always > > wrong. Yeah, I know you then need to enable backlight to see this > > driver. Sorry, but this is the best we can do now. > > Many other drivers can cope with depends here. > > This results in a dependency loop: > > drivers/video/fbdev/Kconfig:12:error: recursive dependency detected! > drivers/video/fbdev/Kconfig:12: symbol FB is selected by DRM_KMS_FB_HELPER > drivers/gpu/drm/Kconfig:80: symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER > drivers/gpu/drm/Kconfig:74: symbol DRM_KMS_HELPER is selected by DRM_HIMAX_HX8837 > drivers/gpu/drm/bridge/Kconfig:51: symbol DRM_HIMAX_HX8837 depends on BACKLIGHT_CLASS_DEVICE > drivers/video/backlight/Kconfig:143: symbol BACKLIGHT_CLASS_DEVICE is selected by FB_BACKLIGHT > drivers/video/fbdev/Kconfig:187: symbol FB_BACKLIGHT depends on FB > > Unfortunately I have no idea how to resolve it at the moment. > > I suppose I can look further into it if necessary. Or is it okay if I > leave it at select BACKLIGHT_CLASS_DEVICE for now? Sigh, leave it as a select then :-( The "sigh" is not directed at you but the mess this BACKLIGHT_CLASS_DEVICE is and the limitations of Kconfig. Sam
