Switches will try to update the topology address and not correctly fix up the checksum, so just let it slide.
https://bugs.freedesktop.org/28229 Signed-off-by: Adam Jackson <a...@redhat.com> --- drivers/gpu/drm/drm_edid.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index f569ae8..c198186 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -147,7 +147,10 @@ drm_edid_block_valid(u8 *raw_edid) csum += raw_edid[i]; if (csum) { DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum); - goto bad; + + /* allow CEA to slide through, switches mangle this */ + if (raw_edid[0] != 0x02) + goto bad; } /* per-block-type checks */ -- 1.7.0.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
