[PATCH 28/28] drm/amd/display: add skip_implict_edp_power_control flag for dcn32

[Stylon Wang]

From: Ian Chen <ian.chen at amd.com>

Add flag skip_implict_edp_power_control check in function
dcn32_disable_link_output to fix DCN35 issue.

Reviewed-by: Robin Chen <robin.chen at amd.com>
Acked-by: Stylon Wang <stylon.wang at amd.com>
Signed-off-by: Ian Chen <ian.chen at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index 018376146d97..e8a989a50afa 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -1322,7 +1322,8 @@ void dcn32_disable_link_output(struct dc_link *link,
 	struct dmcu *dmcu = dc->res_pool->dmcu;
 
 	if (signal == SIGNAL_TYPE_EDP &&
-			link->dc->hwss.edp_backlight_control)
+			link->dc->hwss.edp_backlight_control &&
+			!link->skip_implict_edp_power_control)
 		link->dc->hwss.edp_backlight_control(link, false);
 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
 		dmcu->funcs->lock_phy(dmcu);
@@ -1331,7 +1332,8 @@ void dcn32_disable_link_output(struct dc_link *link,
 	link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
 
 	if (signal == SIGNAL_TYPE_EDP &&
-			link->dc->hwss.edp_backlight_control)
+			link->dc->hwss.edp_backlight_control &&
+			!link->skip_implict_edp_power_control)
 		link->dc->hwss.edp_power_control(link, false);
 	else if (dmcu != NULL && dmcu->funcs->lock_phy)
 		dmcu->funcs->unlock_phy(dmcu);
-- 
2.42.0