[PATCH] drm/edid: Check for empty block prior to checksumming

[Stefan Brüns]

drm_edid_block_valid will dump the whole EDID block. Shorten the log
output to a single line stating the block is empty.

Signed-off-by: Stefan Brüns <stefan.bruens at rwth-aachen.de>
---
 drivers/gpu/drm/drm_edid.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 3bf9991..0755d01 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1198,12 +1198,17 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
 	for (i = 0; i < 4; i++) {
 		if (drm_do_probe_ddc_edid(adapter, block, 0, EDID_LENGTH))
 			goto out;
-		if (drm_edid_block_valid(block, 0, print_bad_edid))
-			break;
 		if (i == 0 && drm_edid_is_zero(block, EDID_LENGTH)) {
 			connector->null_edid_counter++;
-			goto carp;
+			if (print_bad_edid) {
+				dev_warn(connector->dev->dev, "%s: EDID block 0 empty.\n",
+					 connector->name);
+			}
+			connector->bad_edid_counter++;
+			goto out;
 		}
+		if (drm_edid_block_valid(block, 0, print_bad_edid))
+			break;
 	}
 	if (i == 4)
 		goto carp;
-- 
1.8.4.5