diff options
| author | Wenjing Liu <wenjing.liu@amd.com> | 2021-09-12 00:32:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-10-28 14:26:17 -0400 |
| commit | 75c2830c9157ee4ffae09e7502f20f4aee33529a (patch) | |
| tree | c44b9b8f16257460a3a8249458d430044f85b827 /drivers/gpu/drm/amd/display/include | |
| parent | c224aac87041f93bd7046866edfbc9c34c66c18a (diff) | |
| download | linux-75c2830c9157ee4ffae09e7502f20f4aee33529a.tar.bz2 | |
drm/amd/display: decouple hw_lane_settings from dpcd_lane_settings
[why]
As DP features expands, we have encountered many situations where we
must configure a different DPCD lane setting from hw lane settings we
output. The change is to decouple hw lane settings from dpcd lane
settings to provide flexibility to configure dpcd and hw individually.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/include')
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/link_service_types.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/include/link_service_types.h b/drivers/gpu/drm/amd/display/include/link_service_types.h index dc30dcd918bb..622c03f15df2 100644 --- a/drivers/gpu/drm/amd/display/include/link_service_types.h +++ b/drivers/gpu/drm/amd/display/include/link_service_types.h @@ -90,8 +90,11 @@ enum lttpr_mode { struct link_training_settings { struct dc_link_settings link_settings; - struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]; + /* TODO: turn lane settings below into mandatory fields + * as initial lane configuration + */ + struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]; enum dc_voltage_swing *voltage_swing; enum dc_pre_emphasis *pre_emphasis; enum dc_post_cursor2 *post_cursor2; |