[Intel-gfx] [PATCH 3/4] drm/i915/gtt: make ggtt.insert_page depend on mappable aperture

[Chris Wilson]

Quoting Matthew Auld (2021-02-03 12:11:18)
> The vm insert_page is useful to insert a vma-less page into the GGTT,
> which so far is always to map something through the mappable aperture,
> usually when the entire VMA doesn't fit, or if we specifically don't
> want to hog it, since it's generally quite limited in size.

I do believe I've sent patches to use it for other things, so I think
there is use outside (and equally ppgtt->insert_page is useful)... The
pte is fully describe by the flags we pass, so this is just being an
annoyance for annoyance's sake.
-Chris