From b94ee6528954b6838e88aa8cf74ed75acf8dfcff Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 2 Apr 2009 14:56:24 -0700 Subject: [PATCH] drm: fix EDID backward compat check EDIDs should be backward compatible, so don't bail if we see a version of 3 (which is out there now) and print a message if we see something newer, but allow it to be parsed. Signed-off-by: Jesse Barnes Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_edid.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 2c4a340e682f..ca9c61656714 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -125,10 +125,8 @@ static bool edid_is_valid(struct edid *edid) DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version); goto bad; } - if (edid->revision > 3) { - DRM_ERROR("EDID has minor version %d, which is not between 0-3\n", edid->revision); - goto bad; - } + if (edid->revision > 4) + DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n"); for (i = 0; i < EDID_LENGTH; i++) csum += raw_edid[i]; -- GitLab