From: Aric Cyr <[email protected]> [Why] When calculating nominal refresh rates, don't round. Only the VSIF needs to be rounded.
[How] Revert rounding change for nominal and just round when forming the FreeSync VSIF. Signed-off-by: Aric Cyr <[email protected]> Reviewed-by: Anthony Koo <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> Acked-by: Harry Wentland <[email protected]> --- drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 8 ++------ 1 file changed, 2 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 b9992ebf77a6..4e542826cd26 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -524,12 +524,12 @@ static void build_vrr_infopacket_data(const struct mod_vrr_params *vrr, infopacket->sb[6] |= 0x04; /* PB7 = FreeSync Minimum refresh rate (Hz) */ - infopacket->sb[7] = (unsigned char)(vrr->min_refresh_in_uhz / 1000000); + infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000); /* PB8 = FreeSync Maximum refresh rate (Hz) * Note: We should never go above the field rate of the mode timing set. */ - infopacket->sb[8] = (unsigned char)(vrr->max_refresh_in_uhz / 1000000); + infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000); //FreeSync HDR @@ -747,10 +747,6 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, nominal_field_rate_in_uhz = mod_freesync_calc_nominal_field_rate(stream); - /* Rounded to the nearest Hz */ - nominal_field_rate_in_uhz = 1000000ULL * - div_u64(nominal_field_rate_in_uhz + 500000, 1000000); - min_refresh_in_uhz = in_config->min_refresh_in_uhz; max_refresh_in_uhz = in_config->max_refresh_in_uhz; -- 2.25.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
