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[1/2] drm: add DRM_INFO_ONCE() to print a one-time DRM_INFO() message

Message ID 1391176148-9703-1-git-send-email-jani.nikula@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jani Nikula Jan. 31, 2014, 1:49 p.m. UTC 
Just like DRM_INFO(), but only do it once.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 include/drm/drmP.h |    3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 04086c5be930..04a7f31301f8 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -199,6 +199,9 @@  int drm_err(const char *func, const char *format, ...);
 #define DRM_INFO(fmt, ...)				\
 	printk(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
 
+#define DRM_INFO_ONCE(fmt, ...)				\
+	printk_once(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
+
 /**
  * Debug output.
  *