[PATCH v4] drm/xe/guc: Set wedged on Xe micro hardware initialization error

[Zhanjun Dong]

Declare wedged on Xe micro controller hardware initialization
failed.

Signed-off-by: Zhanjun Dong <zhanjun.dong at intel.com>
Reviewed-by: Stuart Summers <stuart.summers at intel.com>

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4917

---
Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
Change list:
v4: Fix typo and add new line
v3: v2 CI re-run
v2: Remove unnecessary jump to err-out
    Drop disable ct, switch to set wedge
---
 drivers/gpu/drm/xe/xe_uc.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_uc.c b/drivers/gpu/drm/xe/xe_uc.c
index 3a8751a8b92d..77175938fc40 100644
--- a/drivers/gpu/drm/xe/xe_uc.c
+++ b/drivers/gpu/drm/xe/xe_uc.c
@@ -157,19 +157,22 @@ static int vf_uc_init_hw(struct xe_uc *uc)
 
 	err = xe_guc_enable_communication(&uc->guc);
 	if (err)
-		return err;
+		goto err_out;
 
 	err = xe_gt_sriov_vf_connect(uc_to_gt(uc));
 	if (err)
-		return err;
+		goto err_out;
 
 	uc->guc.submission_state.enabled = true;
 
 	err = xe_gt_record_default_lrcs(uc_to_gt(uc));
 	if (err)
-		return err;
+		goto err_out;
 
 	return 0;
+err_out:
+	xe_device_declare_wedged(uc_to_xe(uc));
+	return err;
 }
 
 /*
@@ -197,19 +200,19 @@ int xe_uc_init_hw(struct xe_uc *uc)
 
 	ret = xe_guc_enable_communication(&uc->guc);
 	if (ret)
-		return ret;
+		goto err_out;
 
 	ret = xe_gt_record_default_lrcs(uc_to_gt(uc));
 	if (ret)
-		return ret;
+		goto err_out;
 
 	ret = xe_guc_post_load_init(&uc->guc);
 	if (ret)
-		return ret;
+		goto err_out;
 
 	ret = xe_guc_pc_start(&uc->guc.pc);
 	if (ret)
-		return ret;
+		goto err_out;
 
 	xe_guc_engine_activity_enable_stats(&uc->guc);
 
@@ -221,6 +224,10 @@ int xe_uc_init_hw(struct xe_uc *uc)
 	xe_gsc_load_start(&uc->gsc);
 
 	return 0;
+
+err_out:
+	xe_device_declare_wedged(uc_to_xe(uc));
+	return ret;
 }
 
 int xe_uc_fini_hw(struct xe_uc *uc)
-- 
2.34.1