[PATCH driver/nv 2/2] VGA/PowerPC: Implement MMIO access function to ST01 for PowerPC only

Egbert Eich eich at freedesktop.org
Fri Aug 16 00:34:57 PDT 2013


On Thu, Aug 15, 2013 at 04:29:00PM +0200, Mark Kettenis wrote:
> > From: Egbert Eich <eich at freedesktop.org>
> > Date: Tue, 13 Aug 2013 21:38:20 +0200
> > 
> > Access to most VGA registers is done thru MMIO. For the ST01 register
> > PIO access is used to maintain timing for DACDelay(), a delay function
> > internal to libvgahw used to slow down access to the DAC registers
> > sufficiently.
> > PowerPC does not support PIO access, thus an access function thru
> > MMIO is needed.
> 
> Reviewed-by: Mark Kettenis <kettenis at openbsd.org>

Thanks, Mark.
I've just pushed
   "init: Initialize VGA IOBase before using it"
I will wait pushing this one until I get test results 
telling me that setting up the VGA IOBase itself
doesn't solve the problem on PowerPC64.


Cheers,
	Egbert.


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