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drm/i915: Mark the shadow gvt context as closed 

As the shadow gvt is not user accessible and does not have an associated
vm, we can mark it as closed during its construction. This saves leaking
the internal knowledge of i915_gem_context into gvt/.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161218153724.8439-5-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-12-18 15:37:22 +00:00
parent 69df05e11a
commit 70ffe9956c
2 changed files with 2 additions and 9 deletions
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10
drivers/gpu/drm/i915/gvt/scheduler.c
View File

@ -547,18 +547,10 @@ int intel_gvt_init_workload_scheduler(struct intel_gvt *gvt)
void intel_vgpu_clean_gvt_context(struct intel_vgpu *vgpu)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
atomic_notifier_chain_unregister(&vgpu->shadow_ctx->status_notifier,
&vgpu->shadow_ctx_notifier_block);
mutex_lock(&dev_priv->drm.struct_mutex);
/* a little hacky to mark as ctx closed */
vgpu->shadow_ctx->closed = true;
i915_gem_context_put(vgpu->shadow_ctx);
mutex_unlock(&dev_priv->drm.struct_mutex);
i915_gem_context_put_unlocked(vgpu->shadow_ctx);
}
int intel_vgpu_init_gvt_context(struct intel_vgpu *vgpu)

1
drivers/gpu/drm/i915/i915_gem_context.c
View File

@ -409,6 +409,7 @@ i915_gem_context_create_gvt(struct drm_device *dev)
if (IS_ERR(ctx))
goto out;
ctx->closed = true; /* not user accessible */
ctx->execlists_force_single_submission = true;
ctx->ring_size = 512 * PAGE_SIZE; /* Max ring buffer size */
out: