drm/i915/gvt: set max priority for gvt context



This is to workaround guest driver hang regression after
preemption enable that gvt hasn't enabled handling of that
for guest workload. So in effect this disables preemption
for gvt context now.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

parent da5f99ea

drivers/gpu/drm/i915/gvt/scheduler.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1038,6 +1038,9 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu)
		if (IS_ERR(s->shadow_ctx))
		return PTR_ERR(s->shadow_ctx);

		if (HAS_LOGICAL_RING_PREEMPTION(vgpu->gvt->dev_priv))
		s->shadow_ctx->priority = INT_MAX;

		bitmap_zero(s->shadow_ctx_desc_updated, I915_NUM_ENGINES);

		s->workloads = kmem_cache_create("gvt-g_vgpu_workload",