Re: [Intel-gfx] [PATCH 2/4] drm/i915: Introduce private PAT management

2017-09-07 Thread Chris Wilson
Quoting Zhi Wang (2017-09-05 20:58:25) > The private PAT management is to support PPAT entry manipulation. Two > APIs are introduced for dynamically managing PPAT entries: intel_ppat_get > and intel_ppat_put. > > intel_ppat_get will search for an existing PPAT entry which perfectly > matches the r

[Intel-gfx] [PATCH 2/4] drm/i915: Introduce private PAT management

2017-09-05 Thread Zhi Wang
The private PAT management is to support PPAT entry manipulation. Two APIs are introduced for dynamically managing PPAT entries: intel_ppat_get and intel_ppat_put. intel_ppat_get will search for an existing PPAT entry which perfectly matches the required PPAT value. If not, it will try to allocate