From 9990c805161886a9afccff039e99ffbaf9cd3fc9 Mon Sep 17 00:00:00 2001 From: Eric Yang Date: Fri, 27 Nov 2015 12:22:36 -0500 Subject: [PATCH 0535/1110] drm/amd/dal: Reset DPCD sink count on disconnect This fixes active dongle downstream hotplug Signed-off-by: Eric Yang Signed-off-by: Harry Wentland Acked-by: Harry Wentland --- drivers/gpu/drm/amd/dal/dc/core/dc_link.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c index 3484db5..647d141 100644 --- a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c @@ -363,6 +363,8 @@ static void link_unplug(struct core_link *link) for (i = 0; i < link->public.sink_count; i++) dc_link_remove_sink(&link->public, link->public.sink[i]); + + link->dpcd_sink_count = 0; } static enum dc_edid_status read_edid(struct core_link *link) -- 2.7.4