[Intel-gfx] [PATCH] drm/i915: Allow objects to go back above 4GB in the address range

Chris Wilson chris at chris-wilson.co.uk
Fri Dec 11 06:49:52 PST 2015

On Fri, Dec 11, 2015 at 02:34:13PM +0000, Michel Thierry wrote:
> We detected if objects should be moved to the lower parts when 48-bit
> support flag was not set, but not the other way around.
> This handles the case in which an object was allocated in the 32-bit
> address range, but it has been marked as safe to move above it, which
> theoretically would help to keep the lower addresses available for
> objects which really need to be there.
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Signed-off-by: Michel Thierry <michel.thierry at intel.com>

No. This is not lazy. When we run out of low space, we evict. Until then
don't cause extra work for no reason.

Chris Wilson, Intel Open Source Technology Centre

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