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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:13:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:13:43 +0000 |
| commit | 5f61b12c84a1eb427fe47ec22aefe2c88cab252b (patch) | |
| tree | ecaeed7dfc29f878f3e7402c3ecd2fdfd1e7b785 /drivers/gpu/drm/amd/display/dc/link | |
| parent | Releasing progress-linux version 6.9.7-1~progress7.99u1. (diff) | |
| download | linux-5f61b12c84a1eb427fe47ec22aefe2c88cab252b.tar.xz linux-5f61b12c84a1eb427fe47ec22aefe2c88cab252b.zip | |
Merging upstream version 6.9.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c index 289f5d1333..f608dd3bba 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c @@ -1590,9 +1590,17 @@ static bool retrieve_link_cap(struct dc_link *link) return false; } - if (dp_is_lttpr_present(link)) + if (dp_is_lttpr_present(link)) { configure_lttpr_mode_transparent(link); + // Echo TOTAL_LTTPR_CNT back downstream + core_link_write_dpcd( + link, + DP_TOTAL_LTTPR_CNT, + &link->dpcd_caps.lttpr_caps.phy_repeater_cnt, + sizeof(link->dpcd_caps.lttpr_caps.phy_repeater_cnt)); + } + /* Read DP tunneling information. */ status = dpcd_get_tunneling_device_data(link); |