diff options
| author | Reza Amini <Reza.Amini@amd.com> | 2020-07-02 16:10:31 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-21 15:37:39 -0400 |
| commit | 831010da1b0b8f0d3e8a5ae4dc81b09947de38f7 (patch) | |
| tree | 4b3e14a30c4519ab794b704e381e6f0952c91427 /drivers/gpu/drm/amd/display/modules/freesync/freesync.c | |
| parent | c06e09b76639657f284bfaf1cce29557a2515e85 (diff) | |
| download | linux-831010da1b0b8f0d3e8a5ae4dc81b09947de38f7.tar.bz2 | |
drm/amd/display: Implement AMD VSIF V3
[Why]
To support V3
[How]
Generate new VSIF for V3
Signed-off-by: Reza Amini <Reza.Amini@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index d3a5ba9ee782..7a2500fbf3f2 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -760,9 +760,35 @@ static void build_vrr_infopacket_v2(enum signal_type signal, infopacket->valid = true; } +#ifndef TRIM_FSFT +static void build_vrr_infopacket_fast_transport_data( + bool ftActive, + unsigned int ftOutputRate, + struct dc_info_packet *infopacket) +{ + /* PB9 : bit7 - fast transport Active*/ + unsigned char activeBit = (ftActive) ? 1 << 7 : 0; + + infopacket->sb[1] &= ~activeBit; //clear bit + infopacket->sb[1] |= activeBit; //set bit + + /* PB13 : Target Output Pixel Rate [kHz] - bits 7:0 */ + infopacket->sb[13] = ftOutputRate & 0xFF; + + /* PB14 : Target Output Pixel Rate [kHz] - bits 15:8 */ + infopacket->sb[14] = (ftOutputRate >> 8) & 0xFF; + + /* PB15 : Target Output Pixel Rate [kHz] - bits 23:16 */ + infopacket->sb[15] = (ftOutputRate >> 16) & 0xFF; + +} +#endif static void build_vrr_infopacket_v3(enum signal_type signal, const struct mod_vrr_params *vrr, +#ifndef TRIM_FSFT + bool ftActive, unsigned int ftOutputRate, +#endif enum color_transfer_func app_tf, struct dc_info_packet *infopacket) { @@ -773,6 +799,13 @@ static void build_vrr_infopacket_v3(enum signal_type signal, build_vrr_infopacket_fs2_data(app_tf, infopacket); +#ifndef TRIM_FSFT + build_vrr_infopacket_fast_transport_data( + ftActive, + ftOutputRate, + infopacket); +#endif + build_vrr_infopacket_checksum(&payload_size, infopacket); infopacket->valid = true; @@ -795,7 +828,15 @@ void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync, switch (packet_type) { case PACKET_TYPE_FS_V3: +#ifndef TRIM_FSFT + build_vrr_infopacket_v3( + stream->signal, vrr, + stream->timing.flags.FAST_TRANSPORT, + stream->timing.fast_transport_output_rate_100hz, + app_tf, infopacket); +#else build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket); +#endif break; case PACKET_TYPE_FS_V2: build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket); |