CDCLK_CTL
cdctl = intel_de_read(display, CDCLK_CTL);
cdclk_ctl = intel_de_read(display, CDCLK_CTL);
intel_de_write(display, CDCLK_CTL, cdclk_ctl);
intel_de_write(display, CDCLK_CTL, cdclk_ctl);
intel_de_posting_read(display, CDCLK_CTL);
intel_de_write(display, CDCLK_CTL, cdclk_ctl);
intel_de_write(display, CDCLK_CTL, cdclk_ctl);
intel_de_write(display, CDCLK_CTL, cdclk_ctl);
intel_de_posting_read(display, CDCLK_CTL);
cdctl = intel_de_read(display, CDCLK_CTL);
divider = intel_de_read(display, CDCLK_CTL) & BXT_CDCLK_CD2X_DIV_SEL_MASK;
intel_de_write(display, CDCLK_CTL, bxt_cdclk_ctl(display, cdclk_config, pipe));
cdctl = intel_de_read(display, CDCLK_CTL);
MMIO_D(CDCLK_CTL);