[PATCH 1/2] drm/dp/mst: reply with ACK for UP reqs

[Harry Wentland]

From: Mykola Lysenko <Mykola.Lysenko at 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