Re: [PATCH 4/4] drm/i915/guc: Add a debug print on GuC triggered reset

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On 12/01/2023 02:53, John.C.Harrison@xxxxxxxxx wrote:
From: John Harrison <John.C.Harrison@xxxxxxxxx>

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@xxxxxxxxx>
---
  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 99d09e3394597..0be7c27a436dd 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);

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

Regards,

Tvrtko



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