diff options
| author | Anthony Koo <Anthony.Koo@amd.com> | 2019-11-13 14:04:56 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-12-05 16:30:16 -0500 |
| commit | 8d623f86c07fce9b01e42b503df82bbabfb1621d (patch) | |
| tree | 591b0627798bcfb0c93784e3966b22e6facf6f7f | |
| parent | 89cd5a02dfab35e0393fb04e936a427eea9f8d03 (diff) | |
drm/amd/display: add DP protocol version
[Why]
We want to know DP protocol version
[How]
In DC create we initialize a cap to indicate the max
DP protocol version supported
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 061e8adf7476..55f22a1c0aa5 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -809,6 +809,8 @@ struct dc *dc_create(const struct dc_init_data *init_params) dc->caps.max_audios = dc->res_pool->audio_count; dc->caps.linear_pitch_alignment = 64; + dc->caps.max_dp_protocol_version = DP_VERSION_1_4; + /* Populate versioning information */ dc->versions.dc_ver = DC_VER; diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 34b824270c84..4c7a2882a512 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -54,6 +54,10 @@ struct dc_versions { struct dmcu_version dmcu_version; }; +enum dp_protocol_version { + DP_VERSION_1_4, +}; + enum dc_plane_type { DC_PLANE_TYPE_INVALID, DC_PLANE_TYPE_DCE_RGB, @@ -114,6 +118,7 @@ struct dc_caps { bool extended_aux_timeout_support; bool dmcub_support; bool hw_3d_lut; + enum dp_protocol_version max_dp_protocol_version; struct dc_plane_cap planes[MAX_PLANES]; }; |