diff options
| author | Robin Chen <po-tchen@amd.com> | 2021-11-04 16:52:12 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-17 16:58:10 -0500 |
| commit | 548f212514151b0d6ec911c87e61f189f530255b (patch) | |
| tree | 4ccfe13dd309537ef963f6f562ca0e4164dc3ea6 /drivers/gpu/drm/amd/display/dc | |
| parent | ec581edc56d39d3a6450894f26583b36480acffa (diff) | |
| download | linux-stable-548f212514151b0d6ec911c87e61f189f530255b.tar.gz linux-stable-548f212514151b0d6ec911c87e61f189f530255b.tar.bz2 linux-stable-548f212514151b0d6ec911c87e61f189f530255b.zip | |
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/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 9 |
1 files changed, 9 insertions, 0 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); |