drm/i915/guc: Report error on invalid reset notification

Don't silently drop reset notifications from the GuC. It might not be
safe to do an error capture but we still want some kind of report that
the reset happened.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211223013128.1739792-1-John.C.Harrison@Intel.com

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 e751720..0fbf24b 100644 (file)
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -3979,6 +3979,11 @@ static void guc_handle_context_reset(struct intel_guc *guc,
                   !context_blocked(ce))) {
                capture_error_state(guc, ce);
                guc_context_replay(ce);
+       } else {
+               drm_err(&guc_to_gt(guc)->i915->drm,
+                       "Invalid GuC engine reset notificaion for 0x%04X on %s: banned = %d, blocked = %d",
+                       ce->guc_id.id, ce->engine->name, intel_context_is_banned(ce),
+                       context_blocked(ce));
        }
 }