DISP_GAMMA_EN     136 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c 	writel(GAMMA_EN, comp->regs  + DISP_GAMMA_EN);
DISP_GAMMA_EN     141 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c 	writel_relaxed(0x0, comp->regs  + DISP_GAMMA_EN);