[Intel-gfx] [PATCH 9/9] drm/i915: Split GEN6 PPGTT initialization up

[Chris Wilson]

On Wed, Feb 12, 2014 at 02:28:52PM -0800, Ben Widawsky wrote:
> Simply to match the GEN8 style of PPGTT initialization, split up the
> allocations and mappings. Unlike GEN8, we skip a separate dma_addr_t
> allocation function, as it is much simpler pre-gen8.
> 
> With this code it would be easy to make a more general PPGTT
> initialization function with per GEN alloc/map/etc. or use a common
> helper, similar to the ringbuffer code. I don't see a benefit to doing
> this just yet, but who knows...
> 
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>

Had to double-check whether free_pages() safely accepted NULL, but that
was the only logic change I spotted, so
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre