From 4338ffa8df23d6665f53dd38da2e415940e3bf13 Mon Sep 17 00:00:00 2001 From: Sung Lee Date: Wed, 16 Oct 2019 10:24:01 -0400 Subject: [PATCH] drm/amd/display: Use SIGNAL_TYPE_NONE in disable_output unless eDP [WHY] Currently made a change where disable_output is called using signal_type. Using actual signal_type when calilng disable_output in power_down_encoders would make DP to HDMI dongle not light up on boot. As it would have signal_type SIGNAL_TYPE_DISPLAY_PORT. [HOW] Set signal_type to SIGNAL_TYPE_NONE unless it is eDP. Signed-off-by: Sung Lee Reviewed-by: Yongqiang Sun Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index f0e837d14000..37f5bbcba155 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1438,6 +1438,9 @@ static void power_down_encoders(struct dc *dc) if (!dc->links[i]->wa_flags.dp_keep_receiver_powered) dp_receiver_power_ctrl(dc->links[i], false); + if (signal != SIGNAL_TYPE_EDP) + signal = SIGNAL_TYPE_NONE; + dc->links[i]->link_enc->funcs->disable_output( dc->links[i]->link_enc, signal); } -- 2.25.1