Re: S3 Frame Buffer

Gerd Knorr (kraxel@goldbach.in-berlin.de)
Tue, 1 Jun 1999 08:27:35 +0200

> The kernel also needs {check,request,release}_mmio for MMIO regions,
> just like {check,request,release} region, so that the vesafb driver
> won't start writing to a framebuffer already mapped by a driver before
> it.

[ ... ]

> It may be possible to have hardware acceleration in X, if vesafb
> correctly specifies the MMIO region.

vesafb doesn't know where the mmio regions are, it only knows where the
framebuffer memory starts. You will not get accelerated X with vesafb.
And {check,request,release}_mmio would'nt work either...

Gerd

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