| Message ID | 4247777e10bdc12a859c37ff1d1cc88915e01129.1734085515.git.jani.nikula@intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | drm/i915/dp: 128b/132b uncompressed SST | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 4f9c50996446..ec5f0534f4df 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -577,7 +577,10 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, temp |= TRANS_DDI_MST_TRANSPORT_SELECT(master); } } else { - temp |= TRANS_DDI_MODE_SELECT_DP_SST; + if (intel_dp_is_uhbr(crtc_state)) + temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; + else + temp |= TRANS_DDI_MODE_SELECT_DP_SST; temp |= DDI_PORT_WIDTH(crtc_state->lane_count); }
128b/132b SST needs 128b/132b mode enabled in the TRANS_DDI_FUNC_CTL register. This is preparation for enabling 128b/132b SST. This path is not reachable yet. Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- drivers/gpu/drm/i915/display/intel_ddi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)