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 | 69 |
1 files changed, 54 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 4762273b5bb9..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 @@ -903,12 +903,31 @@ static void build_vrr_infopacket_v3(enum signal_type signal, infopacket->valid = true; } +static void build_vrr_infopacket_sdp_v1_3(enum vrr_packet_type packet_type, + struct dc_info_packet *infopacket) +{ + uint8_t idx = 0, size = 0; + + size = ((packet_type == PACKET_TYPE_FS_V1) ? 0x08 : + (packet_type == PACKET_TYPE_FS_V3) ? 0x10 : + 0x09); + + for (idx = infopacket->hb2; idx > 1; idx--) // Data Byte Count: 0x1B + infopacket->sb[idx] = infopacket->sb[idx-1]; + + infopacket->sb[1] = size; // Length + infopacket->sb[0] = (infopacket->hb3 >> 2) & 0x3F;//Version + infopacket->hb3 = (0x13 << 2); // Header,SDP 1.3 + infopacket->hb2 = 0x1D; +} + void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync, const struct dc_stream_state *stream, const struct mod_vrr_params *vrr, enum vrr_packet_type packet_type, enum color_transfer_func app_tf, - struct dc_info_packet *infopacket) + struct dc_info_packet *infopacket, + bool pack_sdp_v1_3) { /* SPD info packet for FreeSync * VTEM info packet for HdmiVRR @@ -941,6 +960,12 @@ void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync, default: build_vrr_infopacket_v1(stream->signal, vrr, infopacket); } + + if (true == pack_sdp_v1_3 && + true == dc_is_dp_signal(stream->signal) && + packet_type != PACKET_TYPE_VRR && + packet_type != PACKET_TYPE_VTEM) + build_vrr_infopacket_sdp_v1_3(packet_type, infopacket); } void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, @@ -1057,10 +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 = @@ -1074,7 +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; @@ -1181,10 +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); } } @@ -1242,6 +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) @@ -1304,4 +1344,3 @@ bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz, return true; } - |