From: Paul Hsieh <paul.hsieh@amd.com>
Date: Fri, 8 May 2020 06:32:11 +0000 (+0800)
Subject: drm/amd/display: link_status not align when power off encoder
X-Git-Tag: v5.9-rc1~134^2~19^2~446
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b56e90ea335e237d47a2612983dba9e0fe24586a;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: link_status not align when power off encoder

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

[How]
Correct link_status when power off encoder

Signed-off-by: Paul Hsieh <paul.hsieh@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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 a475e529ae1cc..2ec5e9e1bdc6d 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->funcs->disable_output(
 				dc->links[i]->link_enc, signal);
+
+		dc->links[i]->link_status.link_active = false;
 	}
 }