drm/edid: make drm_edid_block_valid() static

drm_edid_block_valid() is no longer used outside of drm_edid.c. Make it
static.
Acked-by: Zhi Wang <zhiwang@kernel.rog>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240812142849.1588006-2-jani.nikula@intel.comSigned-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/drm_edid.c

@@ -1966,22 +1966,14 @@ static void edid_block_dump(const char *level, const void *block, int block_num)
 		       block, EDID_LENGTH, false);
 }
 
-/**
- * drm_edid_block_valid - Sanity check the EDID block (base or extension)
- * @_block: pointer to raw EDID block
- * @block_num: type of block to validate (0 for base, extension otherwise)
- * @print_bad_edid: if true, dump bad EDID blocks to the console
- * @edid_corrupt: if true, the header or checksum is invalid
- *
+/*
  * Validate a base or extension EDID block and optionally dump bad blocks to
  * the console.
- *
- * Return: True if the block is valid, false otherwise.
  */
-bool drm_edid_block_valid(u8 *_block, int block_num, bool print_bad_edid,
-			  bool *edid_corrupt)
+static bool drm_edid_block_valid(void *_block, int block_num, bool print_bad_edid,
+				 bool *edid_corrupt)
 {
-	struct edid *block = (struct edid *)_block;
+	struct edid *block = _block;
 	enum edid_block_status status;
 	bool is_base_block = block_num == 0;
 	bool valid;
@@ -2024,7 +2016,6 @@ bool drm_edid_block_valid(u8 *_block, int block_num, bool print_bad_edid,
 
 	return valid;
 }
-EXPORT_SYMBOL(drm_edid_block_valid);
 
 /**
  * drm_edid_is_valid - sanity check EDID data

include/drm/drm_edid.h

@@ -440,8 +440,6 @@ int drm_add_modes_noedid(struct drm_connector *connector,
 			 int hdisplay, int vdisplay);
 
 int drm_edid_header_is_valid(const void *edid);
-bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
-			  bool *edid_corrupt);
 bool drm_edid_is_valid(struct edid *edid);
 void drm_edid_get_monitor_name(const struct edid *edid, char *name,
 			       int buflen);