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drm/i915/gt: Mark up virtual engine uabi_instance
Be sure to initialise the uabi_instance on the virtual engine to the
special invalid value, just in case we ever peek at it from the uAPI.
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 750e76b4f9
("drm/i915/gt: Move the [class][inst] lookup for engines onto the GT")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.4+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200106123921.2543886-1-chris@chris-wilson.co.uk
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@ -4606,9 +4606,11 @@ intel_execlists_create_virtual(struct intel_engine_cs **siblings,
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ve->base.gt = siblings[0]->gt;
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ve->base.uncore = siblings[0]->uncore;
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ve->base.id = -1;
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ve->base.class = OTHER_CLASS;
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ve->base.uabi_class = I915_ENGINE_CLASS_INVALID;
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ve->base.instance = I915_ENGINE_CLASS_INVALID_VIRTUAL;
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ve->base.uabi_instance = I915_ENGINE_CLASS_INVALID_VIRTUAL;
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/*
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* The decision on whether to submit a request using semaphores
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