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

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(+)

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. *