[PATCH 3/4] drm/i915: handle walking compact dma scatter lists

[Chris Wilson]

On Sat, Feb 09, 2013 at 05:27:35PM +0200, Imre Deak wrote:
> So far the assumption was that each dma scatter list entry contains only
> a single page. This might not hold in the future, when we'll introduce
> compact scatter lists, so prepare for this everywhere in the i915 code
> where we walk such a list.
> 
> We'll fix the place _creating_ these lists separately in the next patch
> to help the reviewing/bisectability.
> 
> Reference: http://www.spinics.net/lists/dri-devel/msg33917.html
> Signed-off-by: Imre Deak <imre.deak at intel.com>

Can you please reassure me that i-g-t/tests/gem_exec_lut_handle is not
too adversely affected (on a wide range of cpus).
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre