[ 073/150] drm: shut up invalid edid messages

Greg Kroah-Hartman
2013-02-27T01:03:23Z

From: Maarten Lankhorst <maarten.lankhorst@canonical.com>

commit f934ec8c34b9dcefb5a4f35b0bda33bca289cbe6 upstream.

My cheapo monitor has an invalid block 1, resulting in a lot of dmesg spam every few seconds.

I get it the first time that the entire block is all 0xff..

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/drm_edid.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -357,10 +357,14 @@ drm_do_get_edid(struct drm_connector *co
break;
}
}
- if (i == 4)
+
+ if (i == 4 && print_bad_edid) {
dev_warn(connector->dev->dev,
"%s: Ignoring invalid EDID block %d.\n",
drm_get_connector_name(connector), j);
+
+ connector->bad_edid_counter++;
+ }
}

if (valid_extensions != block[0x7e]) {