[PATCH v4 03/11] drm/print: Add drm_printf_indent()

[Noralf Trønnes]

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

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf at tronnes.org>
---

Changes since version 3:
- Turn drm_printf_indent() into a macro (Ville)
- drm_printf_indent() add overflow marker (Jani)

 include/drm/drm_print.h | 8 ++++++++
 1 file changed, 8 insertions(+)

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
-- 
2.14.2