diff options
| author | Aric Cyr <aric.cyr@amd.com> | 2020-07-23 13:06:23 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-06 16:48:53 -0400 |
| commit | e106c96e2e0a0b9c1305d54480b60cb670d7fd1b (patch) | |
| tree | 16ffcf903c4e564ee4bb1a1c277bf2e367c8f2d9 /drivers/gpu | |
| parent | 7edac0d3fbf58db6a807bad5c5e264bb830906aa (diff) | |
| download | linux-e106c96e2e0a0b9c1305d54480b60cb670d7fd1b.tar.bz2 | |
drm/amd/display: AMD OUI (DPCD 0x00300) skipped on some sink
[Why]
Sink OUI supported cap is not set so driver skips programming it.
[How]
Revert the change the skips OUI programming if the cap is not set
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index d7d2dcd49c06..9bc03f26efda 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -4339,22 +4339,6 @@ void dp_set_fec_enable(struct dc_link *link, bool enable) void dpcd_set_source_specific_data(struct dc_link *link) { - uint8_t dspc = 0; - enum dc_status ret; - - ret = core_link_read_dpcd(link, DP_DOWN_STREAM_PORT_COUNT, &dspc, - sizeof(dspc)); - - if (ret != DC_OK) { - DC_LOG_ERROR("Error in DP aux read transaction," - " not writing source specific data\n"); - return; - } - - /* Return if OUI unsupported */ - if (!(dspc & DP_OUI_SUPPORT)) - return; - if (!link->dc->vendor_signature.is_valid) { struct dpcd_amd_signature amd_signature; amd_signature.AMD_IEEE_TxSignature_byte1 = 0x0; |