Re: [PATCH v2 1/2] drm/i915: enable PS64 support for DG2

2022-09-28 Thread Das, Nirmoy
On 9/27/2022 5:39 PM, Matthew Auld wrote: It turns out that on production DG2/ATS HW we should have support for PS64. This feature allows to provide a 64K TLB hint at the PTE level, which is a lot more flexible than the current method of enabling 64K GTT pages for the entire page-table, since t

[PATCH v2 1/2] drm/i915: enable PS64 support for DG2

2022-09-27 Thread Matthew Auld
It turns out that on production DG2/ATS HW we should have support for PS64. This feature allows to provide a 64K TLB hint at the PTE level, which is a lot more flexible than the current method of enabling 64K GTT pages for the entire page-table, since that leads to all kinds of annoying restriction