diff options
| author | Robin Chen <po-tchen@amd.com> | 2021-11-04 23:52:12 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-18 00:58:10 +0300 |
| commit | 548f212514151b0d6ec911c87e61f189f530255b (patch) | |
| tree | 4ccfe13dd309537ef963f6f562ca0e4164dc3ea6 /drivers | |
| parent | ec581edc56d39d3a6450894f26583b36480acffa (diff) | |
| download | linux-548f212514151b0d6ec911c87e61f189f530255b.tar.xz | |
drm/amd/display: To support sending TPS3 pattern when restoring link
[Why]
Some panels require to use TPS3 pattern to wake up link in PSR mode.
[How]
To add TPS3 selection information in PSR settings command and pass to
DMUB FW.
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Robin Chen <po-tchen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/ddc_service_types.h | 3 |
3 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c index e9c0ec2ec4ce..60b2ccffaf90 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -330,6 +330,15 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, copy_settings_data->cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1; copy_settings_data->panel_inst = panel_inst; + if (link->fec_state == dc_link_fec_enabled && + (!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_1, + sizeof(link->dpcd_caps.sink_dev_id_str)) || + !memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_2, + sizeof(link->dpcd_caps.sink_dev_id_str)))) + copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 1; + else + copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 0; + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); dc_dmub_srv_cmd_execute(dc->dmub_srv); dc_dmub_srv_wait_idle(dc->dmub_srv); diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index c29a67ccef17..de624fd7a2e3 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -208,10 +208,9 @@ union dmub_psr_debug_flags { uint32_t use_hw_lock_mgr : 1; /** - * Unused. - * TODO: Remove. + * Use TPS3 signal when restore main link. */ - uint32_t log_line_nums : 1; + uint32_t force_wakeup_by_tps3 : 1; } bitfields; /** diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h index 4de59b66bb1a..85b25e684464 100644 --- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h +++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h @@ -117,4 +117,7 @@ struct av_sync_data { uint8_t aud_del_ins3;/* DPCD 0002Dh */ }; +static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0}; +static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0}; + #endif /* __DAL_DDC_SERVICE_TYPES_H__ */ |