From: Anthony Koo <[email protected]> [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 <[email protected]> Reviewed-by: Aric Cyr <[email protected]> Acked-by: Leo Li <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 2 ++ drivers/gpu/drm/amd/display/dc/dc.h | 5 +++++ 2 files changed, 7 insertions(+) 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]; }; -- 2.24.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
