[PATCH 5/6] drm/edid: add drm_edid_dump helper function

[Stefan Brüns]

This function will also be used by drm_edid_block_valid after the
next patch in the series.

Signed-off-by: Stefan Brüns <stefan.bruens at rwth-aachen.de>
---
 drivers/gpu/drm/drm_edid.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index d68f56d..31988ca 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1032,6 +1032,17 @@ static bool drm_edid_is_zero(const u8 *in_edid, int 
length)
        return true;
 }

+static void drm_dump_edid(const u8 *raw_edid)
+{
+       if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
+               printk(KERN_ERR "EDID block is all zeroes\n");
+       } else {
+               printk(KERN_ERR "Raw EDID:\n");
+               print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
+                      raw_edid, EDID_LENGTH, false);
+       }
+}
+
 /**
  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
  * @raw_edid: pointer to raw EDID block
@@ -1095,15 +1106,9 @@ bool drm_edid_block_valid(u8 *raw_edid, int block, bool 
print_bad_edid)
        return true;

 bad:
-       if (print_bad_edid) {
-               if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
-                       printk(KERN_ERR "EDID block is all zeroes\n");
-               } else {
-                       printk(KERN_ERR "Raw EDID:\n");
-                       print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
-                              raw_edid, EDID_LENGTH, false);
-               }
-       }
+       if (print_bad_edid)
+               drm_dump_edid(raw_edid);
+
        return false;
 }
 EXPORT_SYMBOL(drm_edid_block_valid);
-- 
2.1.2