drm: Remove the prefix argument of drm_ut_debug_printk()

This is always DRM_NAME, so we can just make it part of the format
string instead of asking prink to do it for us.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_stub.c

@@ -97,9 +97,7 @@ int drm_err(const char *func, const char *format, ...)
 }
 EXPORT_SYMBOL(drm_err);
 
-void drm_ut_debug_printk(const char *prefix,
-			 const char *function_name,
-			 const char *format, ...)
+void drm_ut_debug_printk(const char *function_name, const char *format, ...)
 {
 	struct va_format vaf;
 	va_list args;
@@ -108,7 +106,7 @@ void drm_ut_debug_printk(const char *prefix,
 	vaf.fmt = format;
 	vaf.va = &args;
 
-	printk(KERN_DEBUG "[%s:%s], %pV", prefix, function_name, &vaf);
+	printk(KERN_DEBUG "[" DRM_NAME ":%s], %pV", function_name, &vaf);
 
 	va_end(args);
 }

include/drm/drmP.h

@@ -121,9 +121,8 @@ struct videomode;
 #define DRM_UT_KMS		0x04
 #define DRM_UT_PRIME		0x08
 
-extern __printf(3, 4)
-void drm_ut_debug_printk(const char *prefix,
-			 const char *function_name,
+extern __printf(2, 3)
+void drm_ut_debug_printk(const char *function_name,
 			 const char *format, ...);
 extern __printf(2, 3)
 int drm_err(const char *func, const char *format, ...);
@@ -209,27 +208,23 @@ int drm_err(const char *func, const char *format, ...);
 #define DRM_DEBUG(fmt, args...)						\
 	do {								\
 		if (unlikely(drm_debug & DRM_UT_CORE))			\
-			drm_ut_debug_printk(DRM_NAME, __func__,		\
-					    fmt, ##args);		\
+			drm_ut_debug_printk(__func__, fmt, ##args);	\
 	} while (0)
 
 #define DRM_DEBUG_DRIVER(fmt, args...)					\
 	do {								\
 		if (unlikely(drm_debug & DRM_UT_DRIVER))		\
-			drm_ut_debug_printk(DRM_NAME, __func__,		\
-					    fmt, ##args);		\
+			drm_ut_debug_printk(__func__, fmt, ##args);	\
 	} while (0)
 #define DRM_DEBUG_KMS(fmt, args...)					\
 	do {								\
 		if (unlikely(drm_debug & DRM_UT_KMS))			\
-			drm_ut_debug_printk(DRM_NAME, __func__,		\
-					    fmt, ##args);		\
+			drm_ut_debug_printk(__func__, fmt, ##args);	\
 	} while (0)
 #define DRM_DEBUG_PRIME(fmt, args...)					\
 	do {								\
 		if (unlikely(drm_debug & DRM_UT_PRIME))			\
-			drm_ut_debug_printk(DRM_NAME, __func__,		\
-					    fmt, ##args);		\
+			drm_ut_debug_printk(__func__, fmt, ##args);	\
 	} while (0)
 #else
 #define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0)