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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>
This commit is contained in:
Anthony Koo 2019-11-13 14:04:56 -05:00 committed by Alex Deucher
parent 89cd5a02df
commit 8d623f86c0
2 changed files with 7 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -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
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -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];
};