From: Charlene Liu <charlene.liu@amd.com>
Date: Wed, 20 Sep 2017 18:06:24 +0000 (-0400)
Subject: drm/amd/display: make sure BL off to mainlink off has enough time
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=19af33aca4384f840838a781f105726bb24c604f;p=openwrt%2Fstaging%2Fblogic.git

drm/amd/display: make sure BL off to mainlink off has enough time

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@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 9fc43bcac5bc..f28fce6e6ba4 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
@@ -819,13 +819,6 @@ void hwss_blacklight_control(
 		return;
 	}
 
-	if (!enable && !is_panel_backlight_on(hws)) {
-		dm_logger_write(ctx->logger, LOG_HW_RESUME_S3,
-				"%s: panel already powered down. Do nothing.\n",
-				__func__);
-		return;
-	}
-
 	/* Send VBIOS command to control eDP panel backlight */
 
 	dm_logger_write(ctx->logger, LOG_HW_RESUME_S3,