drm/xe/uc: Move GuC submission init to post hwconfig step

We shouldn't need anything from the GuC submission code until we
finish GuC initialization in post hwconfig step.

While around add diagnostic message if we fail uC init.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240510203810.1952-3-michal.wajdeczko@intel.com

drivers/gpu/drm/xe/xe_guc.c

@@ -21,6 +21,7 @@
 #include "xe_gt_printk.h"
 #include "xe_guc_ads.h"
 #include "xe_guc_ct.h"
+#include "xe_guc_db_mgr.h"
 #include "xe_guc_hwconfig.h"
 #include "xe_guc_log.h"
 #include "xe_guc_pc.h"
@@ -356,6 +357,14 @@ int xe_guc_init_post_hwconfig(struct xe_guc *guc)
 
 	guc_init_params_post_hwconfig(guc);
 
+	ret = xe_guc_submit_init(guc);
+	if (ret)
+		return ret;
+
+	ret = xe_guc_db_mgr_init(&guc->dbm, ~0);
+	if (ret)
+		return ret;
+
 	ret = xe_guc_pc_init(&guc->pc);
 	if (ret)
 		return ret;

drivers/gpu/drm/xe/xe_uc.c

@@ -10,10 +10,9 @@
 #include "xe_gsc.h"
 #include "xe_gsc_proxy.h"
 #include "xe_gt.h"
+#include "xe_gt_printk.h"
 #include "xe_guc.h"
-#include "xe_guc_db_mgr.h"
 #include "xe_guc_pc.h"
-#include "xe_guc_submit.h"
 #include "xe_huc.h"
 #include "xe_uc_fw.h"
 #include "xe_wopcm.h"
@@ -58,13 +57,10 @@ int xe_uc_init(struct xe_uc *uc)
 	if (ret)
 		goto err;
 
-	ret = xe_guc_submit_init(&uc->guc);
-	if (ret)
-		goto err;
-
-	ret = xe_guc_db_mgr_init(&uc->guc.dbm, ~0);
+	return 0;
 
 err:
+	xe_gt_err(uc_to_gt(uc), "Failed to initialize uC (%pe)\n", ERR_PTR(ret));
 	return ret;
 }