[PATCH 02/16] drm/amd/display: link_status not align when power off encoder

Qingqing Zhuo qingqing.zhuo at amd.com
Mon May 25 18:12:52 UTC 2020

From: Paul Hsieh <paul.hsieh at amd.com>

The link_status is incorrect cause driver power off eDP when backlight
on. Some eDP panels may show garbage on screen.

Correct link_status when power off encoder

Signed-off-by: Paul Hsieh <paul.hsieh at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
 drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 ++
 1 file changed, 2 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 a475e529ae1c..2ec5e9e1bdc6 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
@@ -1443,6 +1443,8 @@ static void power_down_encoders(struct dc *dc)
 				dc->links[i]->link_enc, signal);
+		dc->links[i]->link_status.link_active = false;

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