diff options
| author | Wenjing Liu <wenjing.liu@amd.com> | 2020-07-09 17:08:50 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-17 14:07:27 -0400 |
| commit | c08321cb181d5677dedec276f9a11990f27c8d99 (patch) | |
| tree | 616aae87547663c12b4cfb41a2cb8b27aa45d1b7 /drivers/gpu/drm/amd | |
| parent | drm/amd/display: Assign correct left shift (diff) | |
| download | linux-c08321cb181d5677dedec276f9a11990f27c8d99.tar.gz linux-c08321cb181d5677dedec276f9a11990f27c8d99.zip | |
drm/amd/display: create a function to decide mst link settings
[why]
create a dedicated function to make mst link settings decision, so that
the policy's decision is made in a unified place.
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@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')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 9bc03f26efda..231929932516 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2431,6 +2431,12 @@ static bool decide_edp_link_settings(struct dc_link *link, struct dc_link_settin return false; } +static bool decide_mst_link_settings(const struct dc_link *link, struct dc_link_settings *link_setting) +{ + *link_setting = link->verified_link_cap; + return true; +} + void decide_link_settings(struct dc_stream_state *stream, struct dc_link_settings *link_setting) { @@ -2456,11 +2462,9 @@ void decide_link_settings(struct dc_stream_state *stream, * TODO: add MST specific link training routine */ if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { - *link_setting = link->verified_link_cap; - return; - } - - if (link->connector_signal == SIGNAL_TYPE_EDP) { + if (decide_mst_link_settings(link, link_setting)) + return; + } else if (link->connector_signal == SIGNAL_TYPE_EDP) { if (decide_edp_link_settings(link, link_setting, req_bw)) return; } else if (decide_dp_link_settings(link, link_setting, req_bw)) |