Re: [Intel-gfx] [PATCH 2/2] drm/i915/gt: Remove local entries from GGTT on suspend

2020-05-28 Thread Matthew Auld
On Thu, 28 May 2020 at 09:24, Chris Wilson wrote: > > Across suspend/resume, we clear the entire GGTT and rebuild from > scratch. In particular, we only preserve the global entries for use by > the HW, and delay reinstating the local binds until required by the > user. This means that we can evict

[Intel-gfx] [PATCH 2/2] drm/i915/gt: Remove local entries from GGTT on suspend

2020-05-28 Thread Chris Wilson
Across suspend/resume, we clear the entire GGTT and rebuild from scratch. In particular, we only preserve the global entries for use by the HW, and delay reinstating the local binds until required by the user. This means that we can evict and recover any local binds in the global GTT, saving any ti