On 4/27/22 22:25, Javier Martinez Canillas wrote: > The DRM_DP_AUX_CHARDEV and DRM_DP_CEC boolean Kconfig symbols enable code > that use DP helper functions, exported by the display-helper module. > [snip] > @@ -32,6 +32,8 @@ config DRM_DISPLAY_HDMI_HELPER > config DRM_DP_AUX_CHARDEV > bool "DRM DP AUX Interface" > depends on DRM > + select DRM_DISPLAY_DP_HELPER > + select DRM_DISPLAY_HELPER Actually, this is wrong since it will prevent DRM_DISPLAY_HELPER to be set as a module (it's tristate while this symbol is bool). I now have a better understanding of the problem and a patch that I believe is the correct one. I'll post a v2 soon. -- Best regards, Javier Martinez Canillas Linux Engineering Red Hat
