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@linux.intel.com Signed-off-by: Jani Nikula jani.nikula@intel.com Reviewed-by: Ville Syrjälä ville.syrjala@linux.intel.com --- 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 8bf0ae72fd2c..04e818ecd662 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1842,8 +1842,8 @@ static struct edid *edid_filter_invalid_blocks(const struct edid *edid, memcpy(dest_block++, block, EDID_LENGTH); }
- new->checksum += new->extensions - valid_extensions; new->extensions = valid_extensions; + new->checksum = edid_block_compute_checksum(new);
out: kfree(edid);