The code modifying the EDID block should not need to do tricks to fix the checksum. We have a function for computing the checksum, use it. Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/drm_edid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index d0a76781ed19..d2dfab28b5b7 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1840,8 +1840,8 @@ static struct edid *edid_filter_invalid_blocks(const struct edid *edid, memcpy(base++, block, EDID_LENGTH); } - new->checksum += new->extensions - valid_extensions; new->extensions = valid_extensions; + new->checksum = edid_block_compute_checksum(new); out: kfree(edid); -- 2.30.2
