drm/dp/mst: reply with ACK for UP reqs
authorMykola Lysenko <Mykola.Lysenko@amd.com>
Mon, 7 Dec 2015 18:55:51 +0000 (13:55 -0500)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 15 Dec 2015 09:22:28 +0000 (10:22 +0100)
commita68d2437d73188abe5d92d551cc63d6b67d8ce57
tree3b62bb37659c15c500dc0a74d8a41e31d179b3a6
parentd55f5320c7811d3858edaef5f2d4a9a7e43b1af8
drm/dp/mst: reply with ACK for UP reqs

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@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449514552-10236-2-git-send-email-harry.wentland@amd.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/drm_dp_mst_topology.c