drm/amd/display: add DP protocol version (8d623f86) · Commits · 戴 / test

[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:

drivers/gpu/drm/amd/display/dc/core/dc.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;

+5 −0

Original line number	Diff line number	Diff line
		@@ -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];
		};