diff options
| author | Swapnil Patel <swapatel@amd.com> | 2023-11-21 17:00:14 -0500 |
|---|---|---|
| committer | Christian Marcheselli <christianm@valvesoftware.com> | 2023-11-21 16:03:57 -0800 |
| commit | d28ab6b875cbe5d76033f00518e183b88328d299 (patch) | |
| tree | b25f1baa429a5e489b78e60ea73358685e16fc47 /drivers | |
| parent | 04394c2cde5a60cfab2cf0425586967cd4f17d1f (diff) | |
| download | linux-d28ab6b875cbe5d76033f00518e183b88328d299.tar.gz | |
Add 2s delay before enabling DP link for dock
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 55bb9fa9eb62..c91c5855e898 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -91,6 +91,8 @@ #define FN(reg_name, field_name) \ hws->shifts->field_name, hws->masks->field_name +static const uint8_t DP_SINK_BRANCH_DEV_NAME_KT50X0[] = "KT50X0!"; + struct dce110_hw_seq_reg_offsets { uint32_t crtc; }; @@ -3054,6 +3056,13 @@ void dce110_enable_dp_link_output( link->dc->res_pool->dp_clock_source; const struct link_hwss *link_hwss = get_link_hwss(link, link_res); unsigned int i; + if (link->ctx->dce_version == DCN_VERSION_3_01 && + link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_0060AD && + memcmp(&link->dpcd_caps.branch_dev_name, + DP_SINK_BRANCH_DEV_NAME_KT50X0, + sizeof(link->dpcd_caps.branch_dev_name)) == 0) { + msleep(2000); + } /* * Add the logic to extract BOTH power up and power down sequences |