[PATCH v5 13/13] drm/i915/ttm: enable shmem tt backend

[Thomas Hellström]

On Mon, 2021-09-27 at 12:41 +0100, Matthew Auld wrote:
> Turn on the shmem tt backend, and enable shrinking.
> 
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> Cc: Thomas Hellström <thomas.hellstrom at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
> b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
> index 46d57541c0b2..4ae630fbc5cd 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
> @@ -1093,6 +1093,7 @@ static u64 i915_ttm_mmap_offset(struct
> drm_i915_gem_object *obj)
>  
>  static const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
>         .name = "i915_gem_object_ttm",
> +       .flags = I915_GEM_OBJECT_IS_SHRINKABLE,
>  
>         .get_pages = i915_ttm_get_pages,
>         .put_pages = i915_ttm_put_pages,

Reviewed-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>

Now that BAT is running a DG1 again, it might be worth to give the
series a rerun. Perhaps with the "rework object initialization
slightly" as a HAX patch to unblock the mman + following selftest.

/Thomas