diff options
| author | Max.Tseng <Max.Tseng@amd.com> | 2021-02-08 15:08:27 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-02 14:06:29 -0500 |
| commit | 4cda3243ec63c63f8b48b45a71b5096ccfe94b12 (patch) | |
| tree | e5fb193fb0e6d2bfede49b87483f830196ca67c6 /drivers/gpu/drm/amd/display/modules/freesync/freesync.c | |
| parent | e1f4328f22c0c2c4401326123f05d6ab60e5ff09 (diff) | |
drm/amd/display: Add flag for building infopacket
[why]
Add flag to build infopacket in SDP v1.3 format
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Max.Tseng <Max.Tseng@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@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 | 28 |
1 files changed, 26 insertions, 2 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..e5f9d7704a63 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -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, @@ -1304,4 +1329,3 @@ bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz, return true; } - |