From 29be0ac5310f933e19b3a1a4cf98d6a9726b64c9 Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Wed, 1 Mar 2017 18:20:58 -0500 Subject: [PATCH 0255/4131] drm/amd/display: sometime VtotalMin less than VTotal (rounding issue) Signed-off-by: Charlene Liu Acked-by: Harry Wentland Reviewed-by: Jordan Lazare Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 2026ef3..7a0731e 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -905,7 +905,6 @@ void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync, core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync); for (stream_index = 0; stream_index < num_streams; stream_index++) { - map_index = map_index_from_stream(core_freesync, streams[stream_index]); @@ -913,11 +912,12 @@ void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync, if (core_freesync->map[map_index].caps->supported) { /* Update the field rate for new timing */ - state->nominal_refresh_rate_in_micro_hz = 1000000 * - div64_u64(div64_u64((streams[stream_index]-> - timing.pix_clk_khz * 1000), - streams[stream_index]->timing.v_total), - streams[stream_index]->timing.h_total); + unsigned long long temp; + temp = streams[stream_index]->timing.pix_clk_khz; + temp *= 1000ULL * 1000ULL * 1000ULL; + temp = div_u64(temp, streams[stream_index]->timing.h_total); + temp = div_u64(temp, streams[stream_index]->timing.v_total); + state->nominal_refresh_rate_in_micro_hz = (unsigned int) temp; /* Update the stream */ update_stream(core_freesync, streams[stream_index]); -- 2.7.4