aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3546-drm-amd-display-boot-up-S4-fix-mainlink-off-before-B.patch
blob: 16130a0985a4c4e5fcc882750e16932228e6ba4a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
From 03bfbeafbe681c6c4511b786d95a2171e218bf2f Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Wed, 31 Jan 2018 16:45:26 -0500
Subject: [PATCH 3546/4131] drm/amd/display: boot up/S4 fix mainlink off before
 BL.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 54c933b..53243d5 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
@@ -1481,7 +1481,7 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
 
 	struct dc_link *edp_link = get_link_for_edp(dc);
 	if (dcb->funcs->get_vga_enabled_displays(dc->ctx->dc_bios) != 0) {
-		if (edp_link_to_turnoff) {
+		if (edp_link) {
 			/*we need turn off backlight before DP_blank and encoder powered down, todo add optimization*/
 			dc->hwss.edp_backlight_control(edp_link, false);
 		}
-- 
2.7.4