drm/amd/display: Only round InfoFrame refresh rates

[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 <aric.cyr@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index b9992eb..4e54282 100644 (file)
--- 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;