[RFC PATCH] drm/color: drm_get_transfer_function_name() can be static

[kernel test robot <lkp@intel.com>]

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drivers/gpu/drm/drm_color_mgmt.c:526:12: warning: symbol 'drm_get_transfer_function_name' was not declared. Should it be static?

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---
 drm_color_mgmt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
index daf62fb090a63..a48b616cf802e 100644
--- a/drivers/gpu/drm/drm_color_mgmt.c
+++ b/drivers/gpu/drm/drm_color_mgmt.c
@@ -523,7 +523,7 @@ const char *drm_get_color_range_name(enum drm_color_range range)
  * In contrast to the other drm_get_*_name functions this one here returns a
  * const pointer and hence is threadsafe.
  */
-const char *drm_get_transfer_function_name(enum drm_transfer_function tf)
+static const char *drm_get_transfer_function_name(enum drm_transfer_function tf)
 {
 	if (WARN_ON(tf >= ARRAY_SIZE(tf_name)))
 		return "unknown";