diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync/freesync.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index e5f9d7704a63..3f4f44b44e6a 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -118,7 +118,7 @@ static unsigned int calc_duration_in_us_from_v_total( return duration_in_us; } -static unsigned int calc_v_total_from_refresh( +unsigned int mod_freesync_calc_v_total_from_refresh( const struct dc_stream_state *stream, unsigned int refresh_in_uhz) { @@ -280,10 +280,10 @@ static void apply_below_the_range(struct core_freesync *core_freesync, /* Restore FreeSync */ in_out_vrr->adjust.v_total_min = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->max_refresh_in_uhz); in_out_vrr->adjust.v_total_max = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->min_refresh_in_uhz); /* BTR set to "active" so engage */ } else { @@ -442,16 +442,16 @@ static void apply_fixed_refresh(struct core_freesync *core_freesync, if (update) { if (in_out_vrr->fixed.fixed_active) { in_out_vrr->adjust.v_total_min = - calc_v_total_from_refresh( + mod_freesync_calc_v_total_from_refresh( stream, in_out_vrr->max_refresh_in_uhz); in_out_vrr->adjust.v_total_max = in_out_vrr->adjust.v_total_min; } else { in_out_vrr->adjust.v_total_min = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->max_refresh_in_uhz); in_out_vrr->adjust.v_total_max = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->min_refresh_in_uhz); } } @@ -543,8 +543,8 @@ static void build_vrr_infopacket_data_v1(const struct mod_vrr_params *vrr, infopacket->sb[6] |= 0x02; /* PB6 = [Bit 2 = FreeSync Active] */ - if (vrr->state == VRR_STATE_ACTIVE_VARIABLE || - vrr->state == VRR_STATE_ACTIVE_FIXED) + if (vrr->state != VRR_STATE_DISABLED && + vrr->state != VRR_STATE_UNSUPPORTED) infopacket->sb[6] |= 0x04; // For v1 & 2 infoframes program nominal if non-fs mode, otherwise full range @@ -1082,10 +1082,10 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, refresh_range >= MIN_REFRESH_RANGE) { in_out_vrr->adjust.v_total_min = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->max_refresh_in_uhz); in_out_vrr->adjust.v_total_max = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->min_refresh_in_uhz); } else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) { in_out_vrr->fixed.target_refresh_in_uhz = @@ -1099,7 +1099,7 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, } else { in_out_vrr->fixed.fixed_active = true; in_out_vrr->adjust.v_total_min = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->fixed.target_refresh_in_uhz); in_out_vrr->adjust.v_total_max = in_out_vrr->adjust.v_total_min; @@ -1206,10 +1206,10 @@ void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync, /* Restore FreeSync */ if (in_out_vrr->btr.frame_counter == 0) { in_out_vrr->adjust.v_total_min = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->max_refresh_in_uhz); in_out_vrr->adjust.v_total_max = - calc_v_total_from_refresh(stream, + mod_freesync_calc_v_total_from_refresh(stream, in_out_vrr->min_refresh_in_uhz); } } @@ -1267,6 +1267,21 @@ unsigned long long mod_freesync_calc_nominal_field_rate( return nominal_field_rate_in_uhz; } +unsigned long long mod_freesync_calc_field_rate_from_timing( + unsigned int vtotal, unsigned int htotal, unsigned int pix_clk) +{ + unsigned long long field_rate_in_uhz = 0; + unsigned int total = htotal * vtotal; + + /* Calculate nominal field rate for stream, rounded up to nearest integer */ + field_rate_in_uhz = pix_clk; + field_rate_in_uhz *= 1000000ULL; + + field_rate_in_uhz = div_u64(field_rate_in_uhz, total); + + return field_rate_in_uhz; +} + bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz, uint32_t max_refresh_cap_in_uhz, uint32_t nominal_field_rate_in_uhz) |