From: Mykola Lysenko <mykola.lyse...@amd.com>
Currently we reply with NACK to UP requests which might
confuse receivers. We haven't seen any actual issues with
this but should still respond to UP requests correctly.
Signed-off-by: Mykola Lysenko <Mykola.Lysenko at amd.com>
---
drivers/gpu/drm/drm_dp_mst_topology.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c
b/drivers/gpu/drm/drm_dp_mst_topology.c
index 809959d56d78..64a0a3729643 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1823,7 +1823,7 @@ static int drm_dp_encode_up_ack_reply(struct
drm_dp_sideband_msg_tx *msg, u8 req
{
struct drm_dp_sideband_msg_reply_body reply;
- reply.reply_type = 1;
+ reply.reply_type = 0;
reply.req_type = req_type;
drm_dp_encode_sideband_reply(&reply, msg);
return 0;
--
2.1.4
