drm/xe/uc: Extract xe_uc_sanitize_reset

Earlier GuC load will require more fine-grained control over reset.
Extract it outside of xe_uc_init_hw.
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_gt.c

@@ -542,6 +542,10 @@ static int do_gt_restart(struct xe_gt *gt)
 	for_each_hw_engine(hwe, gt, id)
 		xe_hw_engine_enable_ring(hwe);
 
+	err = xe_uc_sanitize_reset(&gt->uc);
+	if (err)
+		return err;
+
 	err = xe_uc_init_hw(&gt->uc);
 	if (err)
 		return err;

drivers/gpu/drm/xe/xe_uc.c

@@ -80,6 +80,10 @@ int xe_uc_init_post_hwconfig(struct xe_uc *uc)
 	if (!xe_device_uc_enabled(uc_to_xe(uc)))
 		return 0;
 
+	err = xe_uc_sanitize_reset(uc);
+	if (err)
+		return err;
+
 	err = xe_guc_init_post_hwconfig(&uc->guc);
 	if (err)
 		return err;
@@ -101,13 +105,13 @@ static int uc_reset(struct xe_uc *uc)
 	return 0;
 }
 
-void xe_uc_sanitize(struct xe_uc *uc)
+static void xe_uc_sanitize(struct xe_uc *uc)
 {
 	xe_huc_sanitize(&uc->huc);
 	xe_guc_sanitize(&uc->guc);
 }
 
-static int xe_uc_sanitize_reset(struct xe_uc *uc)
+int xe_uc_sanitize_reset(struct xe_uc *uc)
 {
 	xe_uc_sanitize(uc);
 
@@ -147,10 +151,6 @@ int xe_uc_init_hw(struct xe_uc *uc)
 	if (!xe_device_uc_enabled(uc_to_xe(uc)))
 		return 0;
 
-	ret = xe_uc_sanitize_reset(uc);
-	if (ret)
-		return ret;
-
 	ret = xe_huc_upload(&uc->huc);
 	if (ret)
 		return ret;

drivers/gpu/drm/xe/xe_uc.h

@@ -19,6 +19,6 @@ void xe_uc_stop_prepare(struct xe_uc *uc);
 int xe_uc_stop(struct xe_uc *uc);
 int xe_uc_start(struct xe_uc *uc);
 int xe_uc_suspend(struct xe_uc *uc);
-void xe_uc_sanitize(struct xe_uc *uc);
+int xe_uc_sanitize_reset(struct xe_uc *uc);
 
 #endif