[PATCH v2 5/5] drm/i915/guc: Add a debug print on GuC triggered reset

John.C.Harrison at Intel.com John.C.Harrison at Intel.com
Tue Jan 17 21:36:30 UTC 2023


From: John Harrison <John.C.Harrison at Intel.com>

For understanding bug reports, it can be useful to have an explicit
dmesg print when a reset notification is received from GuC. As opposed
to simply inferring that this happened from other messages.

Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 4 ++++
 1 file changed, 4 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 9bc80b807dbcc..6029dbab5feeb 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -4665,6 +4665,10 @@ static void guc_handle_context_reset(struct intel_guc *guc,
 {
 	trace_intel_context_reset(ce);
 
+	drm_dbg(&guc_to_gt(guc)->i915->drm, "Got GuC reset of 0x%04X, exiting = %d, banned = %d\n",
+		ce->guc_id.id, test_bit(CONTEXT_EXITING, &ce->flags),
+		test_bit(CONTEXT_BANNED, &ce->flags));
+
 	if (likely(intel_context_is_schedulable(ce))) {
 		capture_error_state(guc, ce);
 		guc_context_replay(ce);
-- 
2.39.0



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