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authorRoman Li <Roman.Li@amd.com>2018-02-09 16:57:38 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-03-05 15:46:03 -0500
commitc36aaba6d0f1c84921c07f036202af55fb86b9c1 (patch)
tree35109851006c4670e332ad79f0032cf38c5c8d08 /drivers
parent05656e5e4917a08296300dc0530aed1539202c25 (diff)
downloadlinux-c36aaba6d0f1c84921c07f036202af55fb86b9c1.tar.bz2
drm/amd/display: Fix active dongle hotplug
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 862835dc054e..bf7c378818fc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1037,6 +1037,10 @@ static void handle_hpd_rx_irq(void *param)
!is_mst_root_connector) {
/* Downstream Port status changed. */
if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
+
+ if (aconnector->fake_enable)
+ aconnector->fake_enable = false;
+
amdgpu_dm_update_connector_after_detect(aconnector);