Re: [Intel-gfx] [PATCH 7/9] drm/i915/gt: Pipelined page migration

On Tue, 2021-06-08 at 11:28 +0200, Thomas Hellström wrote: > From: Chris Wilson > > If we pipeline the PTE updates and then do the copy of those pages > within a single unpreemptible command packet, we can submit the > copies > and leave them to be scheduled without having to synchronously wait >

Re: [Intel-gfx] [PATCH 7/9] drm/i915/gt: Pipelined page migration

On Tue, 2021-06-08 at 17:18 +0100, Matthew Auld wrote: > On Tue, 8 Jun 2021 at 10:29, Thomas Hellström > wrote: > > > > From: Chris Wilson > > > > If we pipeline the PTE updates and then do the copy of those pages > > within a single unpreemptible command packet, we can submit the > > copies >

Re: [Intel-gfx] [PATCH 7/9] drm/i915/gt: Pipelined page migration

On Tue, 8 Jun 2021 at 10:29, Thomas Hellström wrote: > > From: Chris Wilson > > If we pipeline the PTE updates and then do the copy of those pages > within a single unpreemptible command packet, we can submit the copies > and leave them to be scheduled without having to synchronously wait > under

[Intel-gfx] [PATCH 7/9] drm/i915/gt: Pipelined page migration

From: Chris Wilson If we pipeline the PTE updates and then do the copy of those pages within a single unpreemptible command packet, we can submit the copies and leave them to be scheduled without having to synchronously wait under a global lock. In order to manage migration, we need to preallocat