diff options
| author | Ryan Lin <tsung-hua.lin@amd.com> | 2022-10-26 10:12:26 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-10 01:24:57 +0300 |
| commit | 1a2b886b1f242044840147347db1a595cd7f5f56 (patch) | |
| tree | ac1bb2cea8dc7649803d6682a49570df6ce957e6 /drivers/gpu/drm/amd/display/dc/dce | |
| parent | 5abb360ba74f59cc7ea5a4ab149c49d70d869239 (diff) | |
| download | linux-1a2b886b1f242044840147347db1a595cd7f5f56.tar.xz | |
drm/amd/display: Waiting for 1 frame to fix the flash issue on PSR1
[Why]
Needs more frames waiting before the PSR_Exit sending for the specific
TCON.
[How]
Add relock_delay_frame_cnt to control how many frames waiting are needed
before the PSR_Exit sending. The default value is 0. The Driver side can
set this variable for specific TCONs.
Reviewed-by: Robin Chen <robin.chen@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Ryan Lin <tsung-hua.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 5 |
1 files changed, 5 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 cda1592c3a5b..2d3201b77d6a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -413,6 +413,11 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, else copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 0; + //WA for PSR1 on specific TCON, require frame delay for frame re-lock + copy_settings_data->relock_delay_frame_cnt = 0; + if (link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) + copy_settings_data->relock_delay_frame_cnt = 2; + 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); |