Commit 3e337d15 authored by Charlene Liu's avatar Charlene Liu Committed by Alex Deucher
Browse files

drm/amd/display: sometime VtotalMin less than VTotal (rounding issue) 



Signed-off-by: default avatarCharlene Liu <charlene.liu@amd.com>
Acked-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Reviewed-by: default avatarJordan Lazare <Jordan.Lazare@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 773d1bca

drivers/gpu/drm/amd/display/modules/freesync/freesync.c

+6 −6
Original line number Diff line number Diff line
@@ -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]);