From: Harry Wentland <harry.wentland@amd.com>
Date: Tue, 10 Apr 2018 16:08:44 -0400
Subject: drm/amd/display: Fix 64-bit division in hwss_edp_power_control
Git-commit: 45a2d58e84e6d28c2d9ae8e68bd815d9a98ad52e
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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

--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -860,7 +860,7 @@ void hwss_edp_power_control(
 					dm_get_elapse_time_in_ns(
 							ctx,
 							current_ts,
-							link->link_trace.time_stamp.edp_poweroff) / 1000000;
+							div64_u64(link->link_trace.time_stamp.edp_poweroff, 1000000));
 			unsigned long long wait_time_ms = 0;
 
 			/* max 500ms from LCDVDD off to on */