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 Cc: stable@vger.kernel.org [v3.7]
--- diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 5a3770f..4490080 100644 --- 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 *connector, struct i2c_adapter *adapter) 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]) {