drm/xe/pmu: Fail probe if xe_pmu_register() fails

Now that previous callers in xe_device_probe() are handling the errors,
that can be done for xe_pmu_register() as well.

Cc: Riana Tauro <[email protected]>
Cc: Vinay Belgaumkar <[email protected]>
Reviewed-by: Tejas Upadhyay <[email protected]>
Reviewed-by: Himal Prasad Ghimiray <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Lucas De Marchi <[email protected]>

Author: lucasdemarchi

drivers/gpu/drm/xe/xe_device.c

@@ -889,7 +889,9 @@ int xe_device_probe(struct xe_device *xe)
 	if (err)
 		goto err_unregister_display;
 
-	xe_pmu_register(&xe->pmu);
+	err = xe_pmu_register(&xe->pmu);
+	if (err)
+		goto err_unregister_display;
 
 	xe_debugfs_register(xe);