Re: [PATCH 2/2] Revert "fbcon: Disable accelerated scrolling"

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  Hi,

> > So if this really has to come back then I think the pragmatic approach is
> > to do it behind a CONFIG_FBCON_ACCEL, default n, and with a huge warning
> > that enabling that shouldn't be done for any distro which only enables
> > firmware and drm fbdev drivers.
> 
> Thanks for coming back on this, but quite frankly I don't understand
> that request. How should that warning look like, something along:
> "BE WARNED: The framebuffer text console on your non-DRM supported
> graphic card will then run faster and smoother if you enable this option."
> That doesn't make sense. People and distros would want to enable that.

Nope.  Most distros want disable fbdev drivers rather sooner than later.
The fbdev drivers enabled in the fedora kernel today:

	CONFIG_FB_VGA16=m
	CONFIG_FB_VESA=y
	CONFIG_FB_EFI=y
	CONFIG_FB_SSD1307=m

CONFIG_FB_VESA + CONFIG_FB_EFI will go away soon, with simpledrm taking
over their role.

> And if a distro *just* has firmware and drm fbdev drivers enabled,
> none of the non-DRM graphic cards would be loaded anyway and this code
> wouldn't be executed anyway.

Yes, exactly.  That's why there is no point in compiling that code.

take care,
  Gerd




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