ANALOGIX_DP_VIDEO_CTL_3
reg = readl(dp->reg_base + ANALOGIX_DP_VIDEO_CTL_3);
writel(reg, dp->reg_base + ANALOGIX_DP_VIDEO_CTL_3);
val = readl(dp->reg_base + ANALOGIX_DP_VIDEO_CTL_3);
writel(val, dp->reg_base + ANALOGIX_DP_VIDEO_CTL_3);