diff options
| author | Jimmy Kizito <Jimmy.Kizito@amd.com> | 2021-04-21 17:34:34 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-08 19:19:43 +0300 |
| commit | 1be2a90288b4a4e281a5c5c420965117c23b1f97 (patch) | |
| tree | 93fd755448816b7a9c42a3f864972b46aa9b6139 | |
| parent | 0cb1588571a7ba42108f913d0938a3a03a698027 (diff) | |
| download | linux-1be2a90288b4a4e281a5c5c420965117c23b1f97.tar.xz | |
drm/amd/display: Support mappable encoders when transmitting training patterns.
[Why & How]
Add support for transmitting training pattern sequences for links whose
encoders have been dynamically assigned.
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 13c5c4a34a58..f7dfc8fefdfa 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -332,7 +332,16 @@ void dp_set_hw_test_pattern( uint32_t custom_pattern_size) { struct encoder_set_dp_phy_pattern_param pattern_param = {0}; - struct link_encoder *encoder = link->link_enc; + struct link_encoder *encoder; + + /* Access link encoder based on whether it is statically + * or dynamically assigned to a link. + */ + if (link->is_dig_mapping_flexible && + link->dc->res_pool->funcs->link_encs_assign) + encoder = link_enc_cfg_get_link_enc_used_by_link(link->dc->current_state, link); + else + encoder = link->link_enc; pattern_param.dp_phy_pattern = test_pattern; pattern_param.custom_pattern = custom_pattern; |