trans_vrr_ctl
u32 trans_vrr_ctl, trans_vrr_vsync;
trans_vrr_ctl = intel_de_read(display,
crtc_state->cmrr.enable = (trans_vrr_ctl & VRR_CTL_CMRR_ENABLE);
REG_FIELD_GET(XELPD_VRR_CTL_VRR_GUARDBAND_MASK, trans_vrr_ctl);
if (trans_vrr_ctl & VRR_CTL_PIPELINE_FULL_OVERRIDE) {
REG_FIELD_GET(VRR_CTL_PIPELINE_FULL_MASK, trans_vrr_ctl);
if (trans_vrr_ctl & VRR_CTL_FLIP_LINE_EN) {
vrr_enable = trans_vrr_ctl & VRR_CTL_VRR_ENABLE;
trans_vrr_ctl(crtc_state));
vrr_ctl = VRR_CTL_VRR_ENABLE | trans_vrr_ctl(crtc_state);
trans_vrr_ctl(old_crtc_state));