Commit 11474e90 authored by Zhenyu Wang's avatar Zhenyu Wang

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: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
(cherry picked from commit 1603660b)
parent ac7688c0
...@@ -757,6 +757,9 @@ int intel_vgpu_init_gvt_context(struct intel_vgpu *vgpu) ...@@ -757,6 +757,9 @@ int intel_vgpu_init_gvt_context(struct intel_vgpu *vgpu)
if (IS_ERR(vgpu->shadow_ctx)) if (IS_ERR(vgpu->shadow_ctx))
return PTR_ERR(vgpu->shadow_ctx); return PTR_ERR(vgpu->shadow_ctx);
if (INTEL_INFO(vgpu->gvt->dev_priv)->has_logical_ring_preemption)
vgpu->shadow_ctx->priority = INT_MAX;
vgpu->shadow_ctx->engine[RCS].initialised = true; vgpu->shadow_ctx->engine[RCS].initialised = true;
bitmap_zero(vgpu->shadow_ctx_desc_updated, I915_NUM_ENGINES); bitmap_zero(vgpu->shadow_ctx_desc_updated, I915_NUM_ENGINES);
......
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