When unblocking a context, do not enable scheduling if the context is
banned, guc_id invalid, or not registered.
Fixes: 62eaf0ae217d ("drm/i915/guc: Support request cancellation")
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 3 +++
1 file changed, 3 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 d61f906105ef..e53a4ef7d442 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1586,6 +1586,9 @@ static void guc_context_unblock(struct intel_context *ce)
spin_lock_irqsave(&ce->guc_state.lock, flags);
if (unlikely(submission_disabled(guc) ||
+ intel_context_is_banned(ce) ||
+ context_guc_id_invalid(ce) ||
+ !lrc_desc_registered(guc, ce->guc_id) ||
!intel_context_is_pinned(ce) ||
context_pending_disable(ce) ||
context_blocked(ce) > 1)) {
--
2.32.0
