[Intel-gfx] [PATCH 3/3] drm/i915: Use insert_page for pwrite_fast

[Chris Wilson]

On Sat, Nov 07, 2015 at 01:32:15PM +0530, ankitprasad.r.sharma at intel.com wrote:
> From: Ankitprasad Sharma <ankitprasad.r.sharma at intel.com>
> 
> In pwrite_fast, map an object page by page if obj_ggtt_pin fails. First,
> we try a nonblocking pin for the whole object (since that is fastest if
> reused), then failing that we try to grab one page in the mappable
> aperture. It also allows us to handle objects larger than the mappable
> aperture (e.g. if we need to pwrite with vGPU restricting the aperture
> to a measely 8MiB or something like that).
> 
> v2: Pin pages before starting pwrite, Combined duplicate loops (Chris)

Please just use my code as you haven't combined the two paths as well
yet.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre