[Intel-gfx] [PATCH 1/2] drm/i915: Limit the ioremap of the PCI bar to the registers

[Ben Widawsky]

On Fri, 14 Sep 2012 11:57:46 +0100
Chris Wilson <chris at chris-wilson.co.uk> wrote:

> In the future we may like to experiment with using a WC map of the GTT
> portion. However, that will conflict with i915.ko mapping the entire bar
> as UC in order to access the GPU registers. Instead we can shrink the
> register ioremap to only map the register block.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Since I really don't want to pull out docs for anything less than
gen6...
Tested-by (IVB): Ben Widawsky <ben at bwidawsk.net>
Acked-by: Ben Widawsky <ben at bwidawsk.net>

-- 
Ben Widawsky, Intel Open Source Technology Center