diff options
| author | Paul Hsieh <paul.hsieh@amd.com> | 2023-08-22 17:55:13 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-12 00:16:21 +0300 |
| commit | fae058b4d8564714d08db7ccae12b2c10dde3bef (patch) | |
| tree | 16aeeb817cbfbfee77a18362e49bde0e2aa379a7 /drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | |
| parent | 73c57a0aa7f672110d3f28c0ac03ec778a21d9d4 (diff) | |
| download | linux-fae058b4d8564714d08db7ccae12b2c10dde3bef.tar.xz | |
drm/amd/display: support main link off before specific vertical line
[Why]
Some panels request main link off before specific vertical line.
If source turn off main link after specific vertical line then
panel defect will be exposed.
[How]
Add interface to support turn off main link before specific
vertical line
Reviewed-by: Robin Chen <robin.chen@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Paul Hsieh <paul.hsieh@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/dmub_psr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 10 |
1 files changed, 9 insertions, 1 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 0f24b6fbd220..f27cc8f9d0aa 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -35,6 +35,7 @@ static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3}; static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5}; +static const uint8_t DP_SINK_DEVICE_STR_ID_3[] = {0x42, 0x61, 0x6c, 0x73, 0x61}; /* * Convert dmcub psr state to dmcu psr state. @@ -295,7 +296,7 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, struct psr_context *psr_context, uint8_t panel_inst) { - union dmub_rb_cmd cmd; + union dmub_rb_cmd cmd = { 0 }; struct dc_context *dc = dmub->ctx; struct dmub_cmd_psr_copy_settings_data *copy_settings_data = &cmd.psr_copy_settings.psr_copy_settings_data; @@ -408,6 +409,13 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, else copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 0; + if (link->psr_settings.psr_version == DC_PSR_VERSION_1 && + link->dpcd_caps.sink_dev_id == DP_DEVICE_ID_0022B9 && + !memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_3, + sizeof(DP_SINK_DEVICE_STR_ID_3))) { + copy_settings_data->poweroff_before_vertical_line = 16; + } + //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) |