diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index fa969b46245c..196182c3fd98 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -310,6 +310,12 @@ int intel_dp_mtp_tu_compute_config(struct intel_dp *intel_dp, drm_dbg_kms(display->drm, "Trying bpp " FXP_Q4_FMT "\n", FXP_Q4_ARGS(bpp_x16)); + if (dsc && !intel_dp_dsc_valid_compressed_bpp(intel_dp, bpp_x16)) { + /* SST must have validated the single bpp tried here already earlier. */ + drm_WARN_ON(display->drm, !is_mst); + continue; + } + link_bpp_x16 = dsc ? bpp_x16 : fxp_q4_from_int(intel_dp_output_bpp(crtc_state->output_format, fxp_q4_to_int(bpp_x16))); |