[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