[PATCH 9/9] drm/print: rename drm_debug to __drm_debug to discourage use

[Jani Nikula <jani.nikula@xxxxxxxxx>]

drm_debug_enabled() is the way to check. __drm_debug is now reserved for
drm print code only. No functional changes.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/drm_print.c | 8 ++++----
 include/drm/drm_print.h     | 5 +++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index a7c89ec5ff26..ca3c56b026f0 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -37,11 +37,11 @@
 #include <drm/drm_print.h>
 
 /*
- * drm_debug: Enable debug output.
+ * __drm_debug: Enable debug output.
  * Bitmask of DRM_UT_x. See include/drm/drm_print.h for details.
  */
-unsigned int drm_debug;
-EXPORT_SYMBOL(drm_debug);
+unsigned int __drm_debug;
+EXPORT_SYMBOL(__drm_debug);
 
 MODULE_PARM_DESC(debug, "Enable debug output, where each bit enables a debug category.\n"
 "\t\tBit 0 (0x01)  will enable CORE messages (drm core code)\n"
@@ -52,7 +52,7 @@ MODULE_PARM_DESC(debug, "Enable debug output, where each bit enables a debug cat
 "\t\tBit 5 (0x20)  will enable VBL messages (vblank code)\n"
 "\t\tBit 7 (0x80)  will enable LEASE messages (leasing code)\n"
 "\t\tBit 8 (0x100) will enable DP messages (displayport code)");
-module_param_named(debug, drm_debug, int, 0600);
+module_param_named(debug, __drm_debug, int, 0600);
 
 void __drm_puts_coredump(struct drm_printer *p, const char *str)
 {
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index e13f901312a4..880bc0d1fd48 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -34,7 +34,8 @@
 
 #include <drm/drm.h>
 
-extern unsigned int drm_debug;
+/* Do *not* use outside of drm_print.[ch]! */
+extern unsigned int __drm_debug;
 
 /**
  * DOC: print
@@ -296,7 +297,7 @@ static inline struct drm_printer drm_err_printer(const char *prefix)
 
 static inline bool drm_debug_enabled(unsigned int category)
 {
-	return drm_debug & category;
+	return __drm_debug & category;
 }
 
 __printf(3, 4)
-- 
2.20.1

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