drm/print: convert debug category macros into an enum

Mostly for improved documentation, convert the debug category macros
into an enum. Drop unused DRM_UT_NONE. Document previously undocumented
categories.

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Sean Paul <sean@poorly.run>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/96582479e7829d92b89adb805f829e23043ca85c.1572258936.git.jani.nikula@intel.com

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index 703b126dd074..111b932cf2a9 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -256,7 +256,7 @@ void drm_dev_printk(const struct device *dev, const char *level,
 }
 EXPORT_SYMBOL(drm_dev_printk);
 
-void drm_dev_dbg(const struct device *dev, unsigned int category,
+void drm_dev_dbg(const struct device *dev, enum drm_debug_category category,
 		 const char *format, ...)
 {
 	struct va_format vaf;
@@ -280,7 +280,7 @@ void drm_dev_dbg(const struct device *dev, unsigned int category,
 }
 EXPORT_SYMBOL(drm_dev_dbg);
 
-void __drm_dbg(unsigned int category, const char *format, ...)
+void __drm_dbg(enum drm_debug_category category, const char *format, ...)
 {
 	struct va_format vaf;
 	va_list args;