Quoting Zhao Yakui (2018-06-22 07:09:10)
> @@ -2728,6 +2729,7 @@ populate_lr_context(struct i915_gem_context *ctx,
> struct intel_engine_cs *engine,
> struct intel_ring *ring)
> {
> + enum i915_map_type map = HAS_LLC(ctx->i915) ? I915_MAP_WB : I915_MAP_WC;
> void *vaddr;
> u32 *regs;
> int ret;
> @@ -2738,13 +2740,12 @@ populate_lr_context(struct i915_gem_context *ctx,
> return ret;
> }
>
> - vaddr = i915_gem_object_pin_map(ctx_obj, I915_MAP_WB);
> + vaddr = i915_gem_object_pin_map(ctx_obj, map);
As this uses the cpu domain and flushed afterwards, this one is correct
in its usage of MAP_WB.
-Chris
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