From: Hugo Hu Date: Mon, 18 Jun 2018 19:27:58 +0000 (-0400) Subject: drm/amd/display: Correct calculation of duration time. X-Git-Tag: v4.19-rc1~138^2~18^2~78 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=93ed1814c668fb13f3b23b629528e90a2b0d5ea3;p=thirdparty%2Flinux.git drm/amd/display: Correct calculation of duration time. Signed-off-by: Hugo Hu Reviewed-by: Charlene Liu Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- 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 9cbd5036db079..bf4df34bc1df0 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 @@ -864,10 +864,10 @@ void hwss_edp_power_control( if (power_up) { unsigned long long current_ts = dm_get_timestamp(ctx); unsigned long long duration_in_ms = - dm_get_elapse_time_in_ns( + div64_u64(dm_get_elapse_time_in_ns( ctx, current_ts, - div64_u64(link->link_trace.time_stamp.edp_poweroff, 1000000)); + link->link_trace.time_stamp.edp_poweroff), 1000000); unsigned long long wait_time_ms = 0; /* max 500ms from LCDVDD off to on */