diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c index 0050e0a06cbc..2fa4e64e2430 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c @@ -37,6 +37,7 @@ #include "clk_mgr.h" #include "resource.h" #include "link_enc_cfg.h" +#include "atomfirmware.h" #define DC_LOGGER \ link->ctx->logger @@ -100,8 +101,11 @@ void dp_set_hw_lane_settings( { const struct link_hwss *link_hwss = get_link_hwss(link, link_res); + // Don't return here if using FIXED_VS link HWSS and encoding is 128b/132b if ((link_settings->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT) && - !is_immediate_downstream(link, offset)) + !is_immediate_downstream(link, offset) && + (!(link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) || + link_dp_get_encoding_format(&link_settings->link_settings) == DP_8b_10b_ENCODING)) return; if (link_hwss->ext.set_dp_lane_settings) |