[Intel-gfx] [PATCH 1/3] drm/i915: Stop putting GGTT VMA at the head of the list

[Tvrtko Ursulin]

On 12/04/2014 10:39 AM, Chris Wilson wrote:
> On Thu, Dec 04, 2014 at 10:30:30AM +0000, Tvrtko Ursulin wrote:
>> So personally you don't think it should be of any concern if a GGTT
>> VMA is at the head of the list, but it is not the same GGTT VMA
>> which you would find there in majority of cases?
>
> Actually, regarding error capture it is sorting of the vm list that is
> important - so a different list.
>
> I am still confused about why having different GGTT views makes it
> difficult putting the normal GGTT vm first. I would very much like the
> standard GGTT view remain first, and I would actually like the MRU
> ppgtt last (so that the two most common uses are easily found).

It is not difficult, but it is not guaranteed that, when there is a 
single GGTT vma on the list, it is a normal one.

+ Daniel since this is at least how I interpreted our discussion about 
this. Maybe I got it wrong, who knows.

Regards,

Tvrtko