drm: Make drm_mode_create_tv_properties() signature consistent

The prototype and the function implementation differ in their signature.
Make them consistent and use an unsigned integer for the number of modes
while at it.

Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 3ea31bc..776ec41 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1388,12 +1388,13 @@
  * responsible for allocating a list of format names and passing them to
  * this routine.
  */
-int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
+int drm_mode_create_tv_properties(struct drm_device *dev,
+				  unsigned int num_modes,
 				  char *modes[])
 {
 	struct drm_property *tv_selector;
 	struct drm_property *tv_subconnector;
-	int i;
+	unsigned int i;
 
 	if (dev->mode_config.tv_select_subconnector_property)
 		return 0;
@@ -2274,7 +2275,7 @@
 {
 	int ret = 0;
 	unsigned int fb_width, fb_height;
-	int i;
+	unsigned int i;
 
 	/* No fb means shut it down */
 	if (!fb) {