On 07/08/2019 06:41 PM, Chris Wilson wrote:
> Quoting Xiaolin Zhang (2019-07-08 02:35:18)
>> +static void pv_submit(struct intel_engine_cs *engine,
>> + struct i915_request **out,
>> + struct i915_request **end)
>> +{
>> + struct intel_engine_execlists * const
Quoting Xiaolin Zhang (2019-07-08 02:35:18)
> +static void pv_submit(struct intel_engine_cs *engine,
> + struct i915_request **out,
> + struct i915_request **end)
> +{
> + struct intel_engine_execlists * const execlists = >execlists;
> + struct
It is performance optimization to override the actual submisison backend
in order to eliminate execlists csb process and reduce mmio trap numbers
for workload submission without context switch interrupt by talking with
GVT via PV submisison notification mechanism between guest and GVT.
Use
