Quoting Lionel Landwerlin (2018-08-30 12:55:32)
> + if (INTEL_GEN(dev_priv) >= 8) {
> + struct intel_engine_cs *engine;
> + enum intel_engine_id id;
> +
> + for_each_engine(engine, dev_priv, id) {
> + I915_WRITE(RING_FAULT_REG(engine),
> + I915_READ(RING_FAULT_REG(engine)) &
> + ~RING_FAULT_VALID);
> + }
> + POSTING_READ(RING_FAULT_REG(dev_priv->engine[RCS]));
> + } else if (INTEL_GEN(dev_priv) >= 6) {
> + I915_WRITE(GEN8_RING_FAULT_REG,
> + I915_READ(GEN8_RING_FAULT_REG) & ~RING_FAULT_VALID);
> + POSTING_READ(GEN8_RING_FAULT_REG);
> + }
Reversed! gen8 has the single reg, gen6 has one per engine.
-Chris
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