From: Roman Li Date: Fri, 9 Feb 2018 21:57:38 +0000 (-0500) Subject: drm/amd/display: Fix active dongle hotplug X-Git-Tag: v4.19~1462^2^2~32 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c36aaba6d0f1c84921c07f036202af55fb86b9c1;p=platform%2Fkernel%2Flinux-rpi.git 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 Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- 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 862835d..bf7c378 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);