From: John Harrison <John.C.Harrison@Intel.com>
Date: Thu, 23 Dec 2021 01:31:28 +0000 (-0800)
Subject: drm/i915/guc: Report error on invalid reset notification
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=249af7242af72a826dbe93f7058237eee4fac1d6;p=linux.git

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 e7517206af821..0fbf24b8d5e19 100644
--- 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));
 	}
 }