[Intel-gfx] [RFC PATCH 22/42] drm/i915/guc: Add guc_child_context_destroy

[Matthew Brost]

Since child contexts do not own the guc_ids or GuC context registration,
child contexts can simply be freed on destroy. Add
guc_child_context_destroy context operation to do this.

Signed-off-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 4cf233d39bea..429473b4d46c 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -2800,6 +2800,13 @@ static void destroy_worker_func(struct work_struct *w)
 		intel_gt_pm_unpark_work_add(gt, destroy_worker);
 }
 
+/* Future patches will use this function */
+__attribute__ ((unused))
+static void guc_child_context_destroy(struct kref *kref)
+{
+	__guc_context_destroy(container_of(kref, struct intel_context, ref));
+}
+
 static void guc_context_destroy(struct kref *kref)
 {
 	struct intel_context *ce = container_of(kref, typeof(*ce), ref);
-- 
2.28.0