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| author | Fangzhi Zuo <Jerry.Zuo@amd.com> | 2021-11-24 11:43:06 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-01 16:04:30 -0500 |
| commit | 50b1f44ec54746e5332f4bc87c70c223192e821f (patch) | |
| tree | 18c9e7e4249f376840c11435efa5f28f0f1bded4 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | |
| parent | 81d104f4afbfc6abb3b602356cf7263f69f7a156 (diff) | |
| download | linux-50b1f44ec54746e5332f4bc87c70c223192e821f.tar.gz linux-50b1f44ec54746e5332f4bc87c70c223192e821f.tar.bz2 linux-50b1f44ec54746e5332f4bc87c70c223192e821f.zip | |
drm/amd/display: Add DP-HDMI FRL PCON SST Support in DM
1. Parse DSC caps from PCON DPCD
2. Policy determins if DSC is decoded at PCON
3. Enable/disable DSC at PCON
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 72a2e84645df..1410f5d9cc5d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -585,8 +585,17 @@ bool dm_helpers_dp_write_dsc_enable( } if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT || stream->signal == SIGNAL_TYPE_EDP) { - ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); - DC_LOG_DC("Send DSC %s to sst display\n", enable_dsc ? "enable" : "disable"); +#if defined(CONFIG_DRM_AMD_DC_DCN) + if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE) { +#endif + ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); + DC_LOG_DC("Send DSC %s to SST RX\n", enable_dsc ? "enable" : "disable"); +#if defined(CONFIG_DRM_AMD_DC_DCN) + } else if (stream->sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) { + ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1); + DC_LOG_DC("Send DSC %s to DP-HDMI PCON\n", enable_dsc ? "enable" : "disable"); + } +#endif } return (ret > 0); |