[CI 12/12] [For CI] Debug prints/logs to debug G2H timeout issue

[Badal Nilawar]

From: bnilawar <badal.nilawar at intel.com>

Debug print and GuC log in dmesg to debug possible G2H irq delay / miss

Signed-off-by: Badal Nilawar <badal.nilawar at intel.com>
---
 drivers/gpu/drm/xe/xe_guc.c    | 4 +++-
 drivers/gpu/drm/xe/xe_guc_ct.c | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c
index 41ff4fe65f8b..00c0550fb80f 100644
--- a/drivers/gpu/drm/xe/xe_guc.c
+++ b/drivers/gpu/drm/xe/xe_guc.c
@@ -1094,8 +1094,10 @@ int xe_guc_self_cfg64(struct xe_guc *guc, u16 key, u64 val)
 
 void xe_guc_irq_handler(struct xe_guc *guc, const u16 iir)
 {
-	if (iir & GUC_INTR_GUC2HOST)
+	if (iir & GUC_INTR_GUC2HOST) {
+		xe_gt_dbg(guc_to_gt(guc), "G2H IRQ GT[%d]\n", guc_to_gt(guc)->info.id);
 		xe_guc_ct_irq_handler(&guc->ct);
+	}
 }
 
 void xe_guc_sanitize(struct xe_guc *guc)
diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 5546d4f87ebb..8f2d046bf1b5 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -1026,6 +1026,7 @@ static int guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len,
 		xe_gt_err(gt, "Timed out wait for G2H, fence %u, action %04x",
 			  g2h_fence.seqno, action[0]);
 		xa_erase_irq(&ct->fence_lookup, g2h_fence.seqno);
+		xe_guc_log_print_dmesg(&ct_to_guc(ct)->log);
 		return -ETIME;
 	}
 
@@ -1141,6 +1142,7 @@ static int parse_g2h_response(struct xe_guc_ct *ct, u32 *msg, u32 len)
 		xe_gt_warn(gt, "G2H fence (%u) not found!\n", fence);
 		CT_DEAD(ct, NULL, PARSE_G2H_UNKNOWN);
 		g2h_release_space(ct, GUC_CTB_HXG_MSG_MAX_LEN);
+		xe_guc_log_print_dmesg(&ct_to_guc(ct)->log);
 		return -EPROTO;
 	}
 
-- 
2.34.1