diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 |
1 files changed, 4 insertions, 0 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 5ecbe525b676..a3eeb4cda2de 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 @@ -3675,6 +3675,10 @@ bool dp_retrieve_lttpr_cap(struct dc_link *link) DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV, lttpr_dpcd_data, sizeof(lttpr_dpcd_data)); + if (status != DC_OK) { + dm_error("%s: Read LTTPR caps data failed.\n", __func__); + return false; + } link->dpcd_caps.lttpr_caps.revision.raw = lttpr_dpcd_data[DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV - |