drm: fix useless gcc unused variable warning

the calling function doesn't call this function unless one of the two
states that sets the value is true.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 681753e57dc7..0fbb0da342cb 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -205,7 +205,7 @@ static void edid_fixup_preferred(struct drm_connector *connector,
                                  u32 quirks)
 {
         struct drm_display_mode *t, *cur_mode, *preferred_mode;
-        int target_refresh;
+        int target_refresh = 0;
 
         if (list_empty(&connector->probed_modes))
                 return;