drm: Create and use drm_err

Reduce drm text size ~1% by using drm_err and printf extension %pV to emit error messages. Remove unused macro DRM_MEM_ERROR. $ size drivers/gpu/drm/built-in.o* text data bss dec hex filename 361159 9663 256 371078 5a986 drivers/gpu/drm/built-in.o.new 365416 9663 256 375335 5ba27 drivers/gpu/drm/built-in.o.old Signed-off-by: Joe Perches <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
mrcsosa · Apr 28, 2011 · 5ad3d88 · 5ad3d88
1 parent cb49ba0
commit 5ad3d88
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Showing 2 changed files with 28 additions and 14 deletions.
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
@@ -62,6 +62,26 @@ struct idr drm_minors_idr;
 struct class *drm_class;
 struct proc_dir_entry *drm_proc_root;
 struct dentry *drm_debugfs_root;
+
+int drm_err(const char *func, const char *format, ...)
+{
+	struct va_format vaf;
+	va_list args;
+	int r;
+
+	va_start(args, format);
+
+	vaf.fmt = format;
+	vaf.va = &args;
+
+	r = printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* %pV", func, &vaf);
+
+	va_end(args);
+
+	return r;
+}
+EXPORT_SYMBOL(drm_err);
+
 void drm_ut_debug_printk(unsigned int request_level,
 			 const char *prefix,
 			 const char *function_name,
@@ -78,6 +98,7 @@ void drm_ut_debug_printk(unsigned int request_level,
 	}
 }
 EXPORT_SYMBOL(drm_ut_debug_printk);
+
 static int drm_minor_get_id(struct drm_device *dev, int type)
 {
 	int new_id;

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
@@ -126,6 +126,9 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 				const char *prefix,
 				const char *function_name,
 				const char *format, ...);
+extern __attribute__((format (printf, 2, 3)))
+int drm_err(const char *func, const char *format, ...);
+
 /***********************************************************************/
 /** \name DRM template customization defaults */
 /*@{*/
@@ -181,21 +184,11 @@ extern void drm_ut_debug_printk(unsigned int request_level,
  * \param fmt printf() like format string.
  * \param arg arguments
  */
-#define DRM_ERROR(fmt, arg...) \
-	printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg)
-
-/**
- * Memory error output.
- *
- * \param area memory area where the error occurred.
- * \param fmt printf() like format string.
- * \param arg arguments
- */
-#define DRM_MEM_ERROR(area, fmt, arg...) \
-	printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \
-	       drm_mem_stats[area].name , ##arg)
+#define DRM_ERROR(fmt, ...)				\
+	drm_err(__func__, fmt, ##__VA_ARGS__)
 
-#define DRM_INFO(fmt, arg...)  printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg)
+#define DRM_INFO(fmt, ...)				\
+	printk(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
 
 /**
  * Debug output.