set screen status before and after ddr change freq

Signed-off-by: 陈亮 <cl@rock-chips.com>

diff --git a/arch/arm/mach-rockchip/ddr_rk32.c b/arch/arm/mach-rockchip/ddr_rk32.c
index 27367cec5b7292abf07921dc6f6fb7c225341f9c..79ff71af6881fe11691ab7461eb653946b8478ed 100755 (executable)
--- a/arch/arm/mach-rockchip/ddr_rk32.c
+++ b/arch/arm/mach-rockchip/ddr_rk32.c
@@ -3748,6 +3748,7 @@ static noinline uint32 ddr_change_freq_sram(void *arg)
     param.freq = freq;
     param.freq_slew = freq_slew;
     param.dqstr_value = dqstr_value;
+       rk_fb_set_prmry_screen_status(SCREEN_PREPARE_DDR_CHANGE);
        if (screen.lcdc_id == 0)
                cru_writel(0 | CRU_W_MSK_SETBITS(0xff, 8, 0xff),
                RK3288_CRU_CLKSELS_CON(27));
@@ -3765,6 +3766,7 @@ static noinline uint32 ddr_change_freq_sram(void *arg)
        else if (screen.lcdc_id == 1)
                cru_writel(0 | CRU_W_MSK_SETBITS(dclk_div, 8, 0xff),
                RK3288_CRU_CLKSELS_CON(29));
+       rk_fb_set_prmry_screen_status(SCREEN_UNPREPARE_DDR_CHANGE);
 
 #if defined (DDR_CHANGE_FREQ_IN_LCDC_VSYNC)
 end: