On 10/27/21 14:52, Arnd Bergmann wrote: [snip] >> >> @@ -104,7 +105,6 @@ config DRM_FBDEV_EMULATION >> bool "Enable legacy fbdev support for your modesetting driver" >> depends on DRM >> depends on FB >> - select DRM_KMS_HELPER >> select FB_CFB_FILLRECT >> select FB_CFB_COPYAREA >> select FB_CFB_IMAGEBLIT > > This fails because of all the other drivers that try to 'select DRM_KMS_HELPER'. > Kconfig will now complain about a symbol that gets selected while its > dependencies > are not met. > > To work around that, every single driver that has 'selects DRM_KMS_HELPER' would > now have to also list 'depends on (DRM_FBDEV_EMULATION && FB) || > !DRM_FBDEV_EMULATION'. > Ah, I see now. Thanks a lot for the explanation. > Arnd > Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat