v_sync_plus_back_porch 798 drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c v->maximum_vstartup = v->v_sync_plus_back_porch[k] - 1.0; v_sync_plus_back_porch 1629 drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c v->max_vstartup_lines[k] = v->v_sync_plus_back_porch[k] - 1.0; v_sync_plus_back_porch 881 drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c v->v_sync_plus_back_porch[input_idx] = pipe->stream->timing.v_total v_sync_plus_back_porch 178 drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h float v_sync_plus_back_porch[number_of_planes_minus_one + 1];