From 612320f7a3a766263b6bc727c0d5fd1be1a178b3 Mon Sep 17 00:00:00 2001 From: "Jerry (Fangzhi) Zuo" Date: Thu, 24 Jan 2019 11:46:49 -0500 Subject: [PATCH 1218/2940] drm/amd/display: Clear dc_sink after it gets released [Why] The dc_sink was released but the pointer on the aconnector was not cleared. [How] Clear it. Change-Id: Ifc8d72f51b5c6600d63b88f3011aef8ffc957e66 Signed-off-by: Jerry (Fangzhi) Zuo Reviewed-by: Nicholas Kazlauskas Acked-by: Bhawanpreet Lakha --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 73f8e8fa6edb..44c1a02e6452 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -173,8 +173,10 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) aconnector->edid = edid; } - if (aconnector->dc_sink && aconnector->dc_sink->sink_signal == SIGNAL_TYPE_VIRTUAL) + if (aconnector->dc_sink && aconnector->dc_sink->sink_signal == SIGNAL_TYPE_VIRTUAL) { dc_sink_release(aconnector->dc_sink); + aconnector->dc_sink = NULL; + } if (!aconnector->dc_sink) { struct dc_sink *dc_sink; -- 2.17.1