Quoting Kuogee Hsieh (2022-02-17 10:35:30) > Since DRM_DEBUG_DP is deprecated in favor of drm_dbg_dp(NULL, ...), > this patch replace all DRM_DEBUG_DP with drm_dbg_dp(). > > Changes in v4: > -- replace (strucr drm_dev *)NULL with drm_dev Why can't the platform device be used?