[Intel-gfx] [PATCH 01/21] drm/i915: Restrict the aliasing-ppgtt to the size of the ggtt

[Matthew Auld]

On Mon, 2 Sep 2019 at 05:03, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
> The aliasing-ppgtt is not allowed to be smaller than the ggtt, nor
> should we advertise it as being any bigger, or else we may get sued for
> false advertisement.
>
> Testcase: igt/gem_exec_big
> Fixes: 0b718ba1e884 ("drm/i915/gtt: Downgrade Cherryview back to aliasing-ppgtt")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>