[Intel-gfx] [PATCH 21/46] drm/i915/guc: Add guc_child_context_destroy

Matthew Brost
2021-08-03T22:12:48Z

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@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 2d8296bcc583..850edeff9230 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -2828,6 +2828,13 @@ static void destroy_worker_func(struct work_struct *w)
intel_gt_pm_unpark_work_add(gt, destroy_worker);
}

+/* Future patches will use this function */
+__maybe_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