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path: root/drivers/gpu/drm/drm_edid.c
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Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c67400067b8..ca9c6165671 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];
@@ -162,7 +160,7 @@ static bool edid_vendor(struct edid *edid, char *vendor)
edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
- edid_vendor[2] = (edid->mfg_id[2] & 0x1f) + '@';
+ edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
return !strncmp(edid_vendor, vendor, 3);
}