Quoting Matthew Auld (2019-09-09 18:16:46)
> It might prove useful in the future to know if the vma is utilising
> huge-GTT-pages. Related to this is the GTT cache, where there is some HW
> "quirkiness" where it must be disabled if using 2M pages, so include
> that for good measure.
>
> Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> ---
> @@ -127,6 +128,7 @@ struct i915_gpu_state {
> struct drm_i915_error_object {
> u64 gtt_offset;
> u64 gtt_size;
> + u32 gtt_page_sizes;
I keep wondering how long until we need unsigned long, but this fits
with unsigned int pages_sizes.gtt
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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