[Intel-xe] [PATCH 3/3] drm/xe: NULL binding implementation

[Matthew Brost]

On Wed, Jun 14, 2023 at 10:07:24AM -0700, Niranjana Vishwanathapura wrote:
> On Wed, Jun 07, 2023 at 10:03:33PM -0700, Matthew Brost wrote:
> > Add uAPI and implementation for NULL bindings. A NULL binding is defined
> > as writes dropped and read zero. A single bit in the uAPI has been added
> > which results in a single bit in the PTEs being set.
> > 
> > NULL bindings are indended to be used to implement VK sparse bindings,
> > in particular residencyNonResidentStrict property.
> > 
> > Suggested-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> > Signed-off-by: Matthew Brost <matthew.brost at intel.com>
> 
> Also, do we have IGT tests for this?
> 
> Niranjana

Yes, https://patchwork.freedesktop.org/series/119080/

Matt

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>