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drm/amd/display: Fix active dongle hotplug

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Clean fake sink flag after detecting link on downstream port.
Fixing display light-up after  "hot-unplug&plug again" downstream
of an active dongle.

Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li 2018-02-09 16:57:38 -05:00 committed by Alex Deucher
parent fd92ac1b46
commit 88ac3ddab1
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -1058,6 +1058,10 @@ static void handle_hpd_rx_irq(void *param)
!is_mst_root_connector) { !is_mst_root_connector) {
/* Downstream Port status changed. */ /* Downstream Port status changed. */
if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) { if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
if (aconnector->fake_enable)
aconnector->fake_enable = false;
amdgpu_dm_update_connector_after_detect(aconnector); amdgpu_dm_update_connector_after_detect(aconnector);