diff options
author | Martin Tsai <martin.tsai@amd.com> | 2020-03-03 10:04:08 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-19 00:03:04 -0400 |
commit | c38cc6770fd5f78a0918ed0b01af14de31aba5cb (patch) | |
tree | e9a445145cb76d65dfc3bf6b968a8af5f9d0fe03 /drivers/gpu/drm/amd/display | |
parent | a19620ea917b4a080f5e3c923e2c09420099ae3e (diff) |
drm/amd/display: differentiate vsc sdp colorimetry use criteria between MST and SST
[Why]
We should check MST BU support capability on output port before building
vsc info packet.
[How]
Add a new definition for port and sink capability check.
Signed-off-by: Martin Tsai <martin.tsai@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@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')
4 files changed, 22 insertions, 22 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 307b0b9f0483..a4256780e70e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4316,9 +4316,22 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, struct dmcu *dmcu = core_dc->res_pool->dmcu; stream->psr_version = dmcu->dmcu_version.psr_version; - mod_build_vsc_infopacket(stream, - &stream->vsc_infopacket, - &stream->use_vsc_sdp_for_colorimetry); + + // + // should decide stream support vsc sdp colorimetry capability + // before building vsc info packet + // + stream->use_vsc_sdp_for_colorimetry = false; + if (aconnector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { + stream->use_vsc_sdp_for_colorimetry = + aconnector->dc_sink->is_vsc_sdp_colorimetry_supported; + } else { + if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 && + stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) { + stream->use_vsc_sdp_for_colorimetry = true; + } + } + mod_build_vsc_infopacket(stream, &stream->vsc_infopacket); } } finish: diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 280b015d10bd..6cfb534e56bc 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1047,6 +1047,8 @@ struct dc_sink { struct dc_sink_dsc_caps dsc_caps; struct dc_sink_fec_caps fec_caps; + bool is_vsc_sdp_colorimetry_supported; + /* private to DC core */ struct dc_link *link; struct dc_context *ctx; diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h index 42cbeffac640..13c57ff2abdc 100644 --- a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h @@ -34,8 +34,7 @@ struct dc_info_packet; struct mod_vrr_params; void mod_build_vsc_infopacket(const struct dc_stream_state *stream, - struct dc_info_packet *info_packet, - bool *use_vsc_sdp_for_colorimetry); + struct dc_info_packet *info_packet); void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream, struct dc_info_packet *info_packet, int ALLMEnabled, int ALLMValue); diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c index 6a8a056424b8..cff3ab15fc0c 100644 --- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c +++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c @@ -130,8 +130,7 @@ enum ColorimetryYCCDP { }; void mod_build_vsc_infopacket(const struct dc_stream_state *stream, - struct dc_info_packet *info_packet, - bool *use_vsc_sdp_for_colorimetry) + struct dc_info_packet *info_packet) { unsigned int vsc_packet_revision = vsc_packet_undefined; unsigned int i; @@ -139,11 +138,6 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream, unsigned int colorimetryFormat = 0; bool stereo3dSupport = false; - /* Initialize first, later if infopacket is valid determine if VSC SDP - * should be used to signal colorimetry format and pixel encoding. - */ - *use_vsc_sdp_for_colorimetry = false; - if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) { vsc_packet_revision = vsc_packet_rev1; stereo3dSupport = true; @@ -153,9 +147,8 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream, if (stream->psr_version != 0) vsc_packet_revision = vsc_packet_rev2; - /* Update to revision 5 for extended colorimetry support for DPCD 1.4+ */ - if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 && - stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) + /* Update to revision 5 for extended colorimetry support */ + if (stream->use_vsc_sdp_for_colorimetry) vsc_packet_revision = vsc_packet_rev5; /* VSC packet not needed based on the features @@ -269,13 +262,6 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream, info_packet->valid = true; - /* If we are using VSC SDP revision 05h, use this to signal for - * colorimetry format and pixel encoding. HW should later be - * programmed to set MSA MISC1 bit 6 to indicate ignore - * colorimetry format and pixel encoding in the MSA. - */ - *use_vsc_sdp_for_colorimetry = true; - /* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs * Data Bytes DB 18~16 * Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding) |