From: Noralf Trønnes <noralf@tronnes.org>
Date: Tue, 7 Nov 2017 19:13:39 +0000 (+0100)
Subject: drm/print: Add drm_printf_indent()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=bf6234a294c5b8bcc6f47ecdb646f41ad5efddd3;p=openwrt%2Fstaging%2Fblogic.git

drm/print: Add drm_printf_indent()

Add drm_printf_indent() that adds tab indentation according to argument.
Indentation overflow is marked with an X.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-4-noralf@tronnes.org
---

diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 7b9c86a6ca3e..7dbfdebec973 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -80,6 +80,14 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
 __printf(2, 3)
 void drm_printf(struct drm_printer *p, const char *f, ...);
 
+/**
+ * drm_printf_indent - Print to a &drm_printer stream with indentation
+ * @printer: DRM printer
+ * @indent: Tab indentation level (max 5)
+ * @fmt: Format string
+ */
+#define drm_printf_indent(printer, indent, fmt, ...) \
+	drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__)
 
 /**
  * drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file