Thomas Zimmermann [off-list ref] writes:

[...]

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   config FB_DEVICE
   	bool "Provide legacy /dev/fb* device"
-	depends on FB
+	select FB_CORE

This should depend on FB_CORE.

Yes, already fixed in v3 too. I did a select to prevent symbol circular
dependencies but doing that lead to CONFIG_FB_CORE=y even if CONFIG_DRM
was set as a module.

But with the "select FB_CORE if DRM_FBDEV_EMULATION" in the DRM symbol as
Arnd suggested, I was able to have FB_DEVICE to depend on FB_CORE again.

BTW, where does this item now show up in the menu? It used to be in the 
framebuffer menu. It's now in the graphics-drivers menu?

No, it's still in the framebuffer menu. But after the FB_CORE split the
menuconfig ends broken (no sub-level for fbdev drivers anymore).

I was talking with Arnd and Geert about this. I think that will pause this
series and instead first focus on cleaning up the fbdev Kconfig, then it
should be easier to add the FB_CORE on top of that.

Best regards
Thomas

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat