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

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Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Jordan Lazare <Jordan.Lazare@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu
2017-03-01 18:20:58 -05:00
committed by Alex Deucher
parent 773d1bcae7
commit 3e337d15bf
1 changed files with 6 additions and 6 deletions
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drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+6 -6
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@@ -905,7 +905,6 @@ void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync); core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
for (stream_index = 0; stream_index < num_streams; stream_index++) { for (stream_index = 0; stream_index < num_streams; stream_index++) {
map_index = map_index_from_stream(core_freesync, map_index = map_index_from_stream(core_freesync,
streams[stream_index]); 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) { if (core_freesync->map[map_index].caps->supported) {
/* Update the field rate for new timing */ /* Update the field rate for new timing */
state->nominal_refresh_rate_in_micro_hz = 1000000 * unsigned long long temp;
div64_u64(div64_u64((streams[stream_index]-> temp = streams[stream_index]->timing.pix_clk_khz;
timing.pix_clk_khz * 1000), temp *= 1000ULL * 1000ULL * 1000ULL;
streams[stream_index]->timing.v_total), temp = div_u64(temp, streams[stream_index]->timing.h_total);
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 the stream */
update_stream(core_freesync, streams[stream_index]); update_stream(core_freesync, streams[stream_index]);