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drm/amd/display: To support sending TPS3 pattern when restoring link

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[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>
This commit is contained in:
Robin Chen 2021-11-04 16:52:12 -04:00 committed by Alex Deucher
parent ec581edc56
commit 548f212514
3 changed files with 14 additions and 3 deletions
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9
drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
View File

@ -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);

5
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
View File

@ -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;
/**

3
drivers/gpu/drm/amd/display/include/ddc_service_types.h
View File

@ -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__ */