video: rockchip: fb: add car_reversing for px5
[firefly-linux-kernel-4.4.55.git] / drivers / video / rockchip / rk_fb.c
old mode 100755 (executable)
new mode 100644 (file)
index 0c3576e..2ff4f79
@@ -31,6 +31,8 @@
 #include <linux/linux_logo.h>
 #include <linux/dma-mapping.h>
 #include <linux/regulator/consumer.h>
+#include <linux/of_address.h>
+#include <linux/memblock.h>
 
 #include "bmp_helper.h"
 
@@ -48,7 +50,6 @@
 #include <linux/of_gpio.h>
 #include <video/of_display_timing.h>
 #include <video/display_timing.h>
-#include <dt-bindings/rkfb/rk_fb.h>
 #endif
 
 #if defined(CONFIG_ION_ROCKCHIP)
@@ -65,7 +66,7 @@ static int hdmi_switch_state;
 static struct platform_device *fb_pdev;
 
 #if defined(CONFIG_FB_MIRRORING)
-int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
+int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
 EXPORT_SYMBOL(video_data_to_mirroring);
 #endif
 
@@ -76,6 +77,25 @@ static struct rk_fb_trsm_ops *trsm_lvds_ops;
 static struct rk_fb_trsm_ops *trsm_edp_ops;
 static struct rk_fb_trsm_ops *trsm_mipi_ops;
 static int uboot_logo_on;
+
+static int rk_fb_debug_lvl;
+static int rk_fb_iommu_debug;
+module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
+module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
+
+#define rk_fb_dbg(level, x...) do {            \
+       if (unlikely(rk_fb_debug_lvl >= level)) \
+               pr_info(x);                     \
+       } while (0)
+static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
+                             struct rk_fb_win_cfg_data *win_data,
+                             struct rk_fb_reg_data *regs, u32 cmd);
+static int car_reversing;
+
+static int is_car_camcap(void) {
+       return car_reversing && strcmp("camcap", current->comm);
+}
+
 int support_uboot_display(void)
 {
        return uboot_logo_on;
@@ -111,8 +131,8 @@ int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
                trsm_mipi_ops = ops;
                break;
        default:
-               printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
-                      __func__, type);
+               pr_warn("%s: unsupported transmitter: %d!\n",
+                       __func__, type);
                break;
        }
        return 0;
@@ -121,6 +141,7 @@ int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 {
        struct rk_fb_trsm_ops *ops;
+
        switch (type) {
        case SCREEN_RGB:
        case SCREEN_LVDS:
@@ -138,8 +159,8 @@ struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
                break;
        default:
                ops = NULL;
-               printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
-                      __func__, type);
+               pr_warn("%s: unsupported transmitter: %d!\n",
+                       __func__, type);
                break;
        }
        return ops;
@@ -148,8 +169,10 @@ struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
 int rk_fb_pixel_width(int data_format)
 {
        int pixel_width;
+
        switch (data_format) {
        case XBGR888:
+       case XRGB888:
        case ABGR888:
        case ARGB888:
        case FBDC_ARGB_888:
@@ -158,9 +181,11 @@ int rk_fb_pixel_width(int data_format)
                pixel_width = 4 * 8;
                break;
        case RGB888:
+       case BGR888:
                pixel_width = 3 * 8;
                break;
        case RGB565:
+       case BGR565:
        case FBDC_RGB_565:
                pixel_width = 2 * 8;
                break;
@@ -175,9 +200,15 @@ int rk_fb_pixel_width(int data_format)
        case YUV444_A:
                pixel_width = 8;
                break;
+       case YUYV422:
+       case UYVY422:
+       case YUYV420:
+       case UYVY420:
+               pixel_width = 16;
+               break;
        default:
-               printk(KERN_WARNING "%s:un supported format:0x%x\n",
-                      __func__, data_format);
+               pr_warn("%s: unsupported format: 0x%x\n",
+                       __func__, data_format);
                return -EINVAL;
        }
        return pixel_width;
@@ -185,12 +216,16 @@ int rk_fb_pixel_width(int data_format)
 
 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
 {
-       int fb_data_fmt;
+       int fb_data_fmt = 0;
+
        if (data_format) {
                switch (data_format) {
                case HAL_PIXEL_FORMAT_RGBX_8888:
                        fb_data_fmt = XBGR888;
                        break;
+               case HAL_PIXEL_FORMAT_BGRX_8888:
+                       fb_data_fmt = XRGB888;
+                       break;
                case HAL_PIXEL_FORMAT_RGBA_8888:
                        fb_data_fmt = ABGR888;
                        break;
@@ -200,9 +235,15 @@ static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
                case HAL_PIXEL_FORMAT_RGB_888:
                        fb_data_fmt = RGB888;
                        break;
+               case HAL_PIXEL_FORMAT_BGR_888:
+                       fb_data_fmt = BGR888;
+                       break;
                case HAL_PIXEL_FORMAT_RGB_565:
                        fb_data_fmt = RGB565;
                        break;
+               case HAL_PIXEL_FORMAT_BGR_565:
+                       fb_data_fmt = BGR565;
+                       break;
                case HAL_PIXEL_FORMAT_YCbCr_422_SP:     /* yuv422 */
                        fb_data_fmt = YUV422;
                        break;
@@ -221,7 +262,7 @@ static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
                case HAL_PIXEL_FORMAT_YCbCr_422_SP_10:  /* yuv444 */
                        fb_data_fmt = YUV422_A;
                        break;
-               case HAL_PIXEL_FORMAT_YCrCb_420_SP_10:  /* yuv444 */
+               case HAL_PIXEL_FORMAT_YCrCb_444_SP_10:  /* yuv444 */
                        fb_data_fmt = YUV444_A;
                        break;
                case HAL_PIXEL_FORMAT_FBDC_RGB565:      /* fbdc rgb565*/
@@ -236,9 +277,21 @@ static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
                case HAL_PIXEL_FORMAT_FBDC_U8U8U8:      /* fbdc rgb888 */
                        fb_data_fmt = FBDC_RGBX_888;
                        break;
+               case HAL_PIXEL_FORMAT_YUYV422:          /* yuyv422 */
+                       fb_data_fmt = YUYV422;
+                       break;
+               case HAL_PIXEL_FORMAT_YUYV420:          /* yuyv420 */
+                       fb_data_fmt = YUYV420;
+                       break;
+               case HAL_PIXEL_FORMAT_UYVY422:          /* uyvy422 */
+                       fb_data_fmt = UYVY422;
+                       break;
+               case HAL_PIXEL_FORMAT_UYVY420:          /* uyvy420 */
+                       fb_data_fmt = UYVY420;
+                       break;
                default:
-                       printk(KERN_WARNING "%s:un supported format:0x%x\n",
-                              __func__, data_format);
+                       pr_warn("%s: unsupported format: 0x%x\n",
+                               __func__, data_format);
                        return -EINVAL;
                }
        } else {
@@ -253,9 +306,8 @@ static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
                        fb_data_fmt = RGB565;
                        break;
                default:
-                       printk(KERN_WARNING
-                              "%s:un supported bits_per_pixel:%d\n", __func__,
-                              bits_per_pixel);
+                       pr_warn("%s: unsupported bits_per_pixel: %d\n",
+                               __func__, bits_per_pixel);
                        break;
                }
        }
@@ -310,7 +362,7 @@ int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
                                pwr_ctr->pwr_ctr.type = REGULATOR;
                                pwr_ctr->pwr_ctr.rgl_name = NULL;
                                ret = of_property_read_string(child, "rockchip,regulator_name",
-                                                            &(pwr_ctr->pwr_ctr.rgl_name));
+                                                             &(pwr_ctr->pwr_ctr.rgl_name));
                                if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
                                        dev_err(dev_drv->dev, "get regulator name failed!\n");
                                if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
@@ -333,21 +385,20 @@ int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
                list_for_each(pos, &dev_drv->pwrlist_head) {
                        pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
                                             list);
-                       printk(KERN_INFO "pwr_ctr_name:%s\n"
-                              "pwr_type:%s\n"
-                              "gpio:%d\n"
-                              "atv_val:%d\n"
-                              "delay:%d\n\n",
-                              pwr_ctr->pwr_ctr.name,
-                              (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
-                              pwr_ctr->pwr_ctr.gpio,
-                              pwr_ctr->pwr_ctr.atv_val,
-                              pwr_ctr->pwr_ctr.delay);
+                       pr_info("pwr_ctr_name:%s\n"
+                               "pwr_type:%s\n"
+                               "gpio:%d\n"
+                               "atv_val:%d\n"
+                               "delay:%d\n\n",
+                               pwr_ctr->pwr_ctr.name,
+                               (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
+                               pwr_ctr->pwr_ctr.gpio,
+                               pwr_ctr->pwr_ctr.atv_val,
+                               pwr_ctr->pwr_ctr.delay);
                }
        }
 
        return 0;
-
 }
 
 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
@@ -369,7 +420,8 @@ int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
                        mdelay(pwr_ctr->delay);
                } else if (pwr_ctr->type == REGULATOR) {
                        if (pwr_ctr->rgl_name)
-                               regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
+                               regulator_lcd =
+                                       regulator_get(NULL, pwr_ctr->rgl_name);
                        if (regulator_lcd == NULL) {
                                dev_err(dev_drv->dev,
                                        "%s: regulator get failed,regulator name:%s\n",
@@ -420,7 +472,8 @@ int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
                                continue;
                        }
                        while (regulator_is_enabled(regulator_lcd) > 0) {
-                               if (regulator_disable(regulator_lcd) == 0 || count == 0)
+                               if (regulator_disable(regulator_lcd) == 0 ||
+                                   count == 0)
                                        break;
                                else
                                        dev_err(dev_drv->dev,
@@ -450,10 +503,14 @@ int rk_fb_video_mode_from_timing(const struct display_timing *dt,
        screen->lvds_format = dt->lvds_format;
        screen->face = dt->face;
        screen->color_mode = dt->color_mode;
+       screen->width = dt->screen_widt;
+       screen->height = dt->screen_hight;
        screen->dsp_lut = dt->dsp_lut;
        screen->cabc_lut = dt->cabc_lut;
        screen->cabc_gamma_base = dt->cabc_gamma_base;
 
+       if (dt->flags & DISPLAY_FLAGS_INTERLACED)
+               screen->mode.vmode |= FB_VMODE_INTERLACED;
        if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
                screen->pin_dclk = 1;
        else
@@ -472,13 +529,13 @@ int rk_fb_video_mode_from_timing(const struct display_timing *dt,
                screen->pin_den = 0;
 
        return 0;
-
 }
 
 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
 {
        struct display_timings *disp_timing;
        struct display_timing *dt;
+
        disp_timing = of_get_display_timings(np);
        if (!disp_timing) {
                pr_err("parse display timing err\n");
@@ -486,16 +543,17 @@ int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
        }
        dt = display_timings_get(disp_timing, disp_timing->native_mode);
        rk_fb_video_mode_from_timing(dt, screen);
-       return 0;
 
+       return 0;
 }
 
 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
 {
        int x, y;
        unsigned long long hz;
+
        if (!screen) {
-               printk(KERN_ERR "%s:null screen!\n", __func__);
+               pr_err("%s:null screen!\n", __func__);
                return 0;
        }
        x = screen->mode.xres + screen->mode.left_margin +
@@ -525,9 +583,15 @@ char *get_format_string(enum data_format format, char *fmt)
        case RGB888:
                strcpy(fmt, "RGB888");
                break;
+       case BGR888:
+               strcpy(fmt, "BGR888");
+               break;
        case RGB565:
                strcpy(fmt, "RGB565");
                break;
+       case BGR565:
+               strcpy(fmt, "BGR565");
+               break;
        case YUV420:
        case YUV420_NV21:
                strcpy(fmt, "YUV420");
@@ -566,13 +630,52 @@ char *get_format_string(enum data_format format, char *fmt)
        case FBDC_RGBX_888:
                strcpy(fmt, "FBDC_RGBX_888");
                break;
+       case YUYV422:
+               strcpy(fmt, "YUYV422");
+               break;
+       case YUYV420:
+               strcpy(fmt, "YUYV420");
+               break;
+       case UYVY422:
+               strcpy(fmt, "UYVY422");
+               break;
+       case UYVY420:
+               strcpy(fmt, "UYVY420");
+               break;
        default:
                strcpy(fmt, "invalid");
                break;
        }
 
        return fmt;
+}
+
+int rk_fb_set_vop_pwm(void)
+{
+       int i = 0;
+       struct rk_fb *inf = NULL;
+       struct rk_lcdc_driver *dev_drv = NULL;
+
+       if (likely(fb_pdev))
+               inf = platform_get_drvdata(fb_pdev);
+       else
+               return -1;
 
+       for (i = 0; i < inf->num_lcdc; i++) {
+               if (inf->lcdc_dev_drv[i]->cabc_mode == 1) {
+                       dev_drv = inf->lcdc_dev_drv[i];
+                       break;
+               }
+       }
+
+       if (!dev_drv)
+               return -1;
+
+       mutex_lock(&dev_drv->win_config);
+       dev_drv->ops->cfg_done(dev_drv);
+       mutex_unlock(&dev_drv->win_config);
+
+       return 0;
 }
 
 /*
@@ -585,10 +688,10 @@ struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
        struct rk_lcdc_driver *dev_drv = NULL;
        int i = 0;
 
-        if (likely(fb_pdev))
-                inf = platform_get_drvdata(fb_pdev);
-        else
-                return NULL;
+       if (likely(fb_pdev))
+               inf = platform_get_drvdata(fb_pdev);
+       else
+               return NULL;
 
        for (i = 0; i < inf->num_lcdc; i++) {
                if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
@@ -648,7 +751,7 @@ static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
 u32 rk_fb_get_prmry_screen_ft(void)
 {
        struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
-       uint32_t htotal, vtotal, pixclock_ps;
+       u32 htotal, vtotal, pixclock_ps;
        u64 pix_total, ft_us;
 
        if (unlikely(!dev_drv))
@@ -656,14 +759,14 @@ u32 rk_fb_get_prmry_screen_ft(void)
 
        pixclock_ps = dev_drv->pixclock;
 
-       vtotal = (dev_drv->cur_screen->mode.upper_margin +
+       vtotal = dev_drv->cur_screen->mode.upper_margin +
                 dev_drv->cur_screen->mode.lower_margin +
                 dev_drv->cur_screen->mode.yres +
-                dev_drv->cur_screen->mode.vsync_len);
-       htotal = (dev_drv->cur_screen->mode.left_margin +
+                dev_drv->cur_screen->mode.vsync_len;
+       htotal = dev_drv->cur_screen->mode.left_margin +
                 dev_drv->cur_screen->mode.right_margin +
                 dev_drv->cur_screen->mode.xres +
-                dev_drv->cur_screen->mode.hsync_len);
+                dev_drv->cur_screen->mode.hsync_len;
        pix_total = htotal * vtotal;
        ft_us = pix_total * pixclock_ps;
        do_div(ft_us, 1000000);
@@ -685,7 +788,7 @@ u32 rk_fb_get_prmry_screen_ft(void)
 u32 rk_fb_get_prmry_screen_vbt(void)
 {
        struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
-       uint32_t htotal, vblank, pixclock_ps;
+       u32 htotal, vblank, pixclock_ps;
        u64 pix_blank, vbt_us;
 
        if (unlikely(!dev_drv))
@@ -694,12 +797,12 @@ u32 rk_fb_get_prmry_screen_vbt(void)
        pixclock_ps = dev_drv->pixclock;
 
        htotal = (dev_drv->cur_screen->mode.left_margin +
-                dev_drv->cur_screen->mode.right_margin +
-                dev_drv->cur_screen->mode.xres +
-                dev_drv->cur_screen->mode.hsync_len);
+                 dev_drv->cur_screen->mode.right_margin +
+                 dev_drv->cur_screen->mode.xres +
+                 dev_drv->cur_screen->mode.hsync_len);
        vblank = (dev_drv->cur_screen->mode.upper_margin +
-                dev_drv->cur_screen->mode.lower_margin +
-                dev_drv->cur_screen->mode.vsync_len);
+                 dev_drv->cur_screen->mode.lower_margin +
+                 dev_drv->cur_screen->mode.vsync_len);
        pix_blank = htotal * vblank;
        vbt_us = pix_blank * pixclock_ps;
        do_div(vbt_us, 1000000);
@@ -733,15 +836,15 @@ int rk_fb_set_prmry_screen_status(int status)
        screen = dev_drv->cur_screen;
        switch (status) {
        case SCREEN_PREPARE_DDR_CHANGE:
-               if (screen->type == SCREEN_MIPI
-                       || screen->type == SCREEN_DUAL_MIPI) {
+               if (screen->type == SCREEN_MIPI ||
+                   screen->type == SCREEN_DUAL_MIPI) {
                        if (dev_drv->trsm_ops->dsp_pwr_off)
                                dev_drv->trsm_ops->dsp_pwr_off();
                }
                break;
        case SCREEN_UNPREPARE_DDR_CHANGE:
-               if (screen->type == SCREEN_MIPI
-                       || screen->type == SCREEN_DUAL_MIPI) {
+               if (screen->type == SCREEN_MIPI ||
+                   screen->type == SCREEN_DUAL_MIPI) {
                        if (dev_drv->trsm_ops->dsp_pwr_on)
                                dev_drv->trsm_ops->dsp_pwr_on();
                }
@@ -806,7 +909,6 @@ bool rk_fb_poll_wait_frame_complete(void)
        return true;
 }
 
-
 /* rk_fb_get_sysmmu_device_by_compatible()
  * @compt: dts device compatible name
  * return value: success: pointer to the device inside of platform device
@@ -814,35 +916,34 @@ bool rk_fb_poll_wait_frame_complete(void)
  */
 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
 {
-        struct device_node *dn = NULL;
-        struct platform_device *pd = NULL;
-        struct device *ret = NULL ;
-
-        dn = of_find_compatible_node(NULL, NULL, compt);
-        if (!dn) {
-                printk("can't find device node %s \r\n", compt);
-                return NULL;
+       struct device_node *dn = NULL;
+       struct platform_device *pd = NULL;
+       struct device *ret = NULL ;
+
+       dn = of_find_compatible_node(NULL, NULL, compt);
+       if (!dn) {
+               pr_info("can't find device node %s \r\n", compt);
+               return NULL;
        }
 
-        pd = of_find_device_by_node(dn);
-        if (!pd) {
-                printk("can't find platform device in device node %s \r\n", compt);
-                return  NULL;
-        }
-        ret = &pd->dev;
+       pd = of_find_device_by_node(dn);
+       if (!pd) {
+               pr_info("can't find platform device node %s \r\n", compt);
+               return  NULL;
+       }
+       ret = &pd->dev;
 
-        return ret;
+       return ret;
 }
 
 #ifdef CONFIG_IOMMU_API
 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 {
-        dev->archdata.iommu = sysmmu;
+       dev->archdata.iommu = sysmmu;
 }
 #else
 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
 {
-
 }
 #endif
 
@@ -871,16 +972,17 @@ static int rk_fb_close(struct fb_info *info, int user)
 
        if (win_id >= 0) {
                win = dev_drv->win[win_id];
-               fb_par->state--;
+               if (fb_par->state)
+                       fb_par->state--;
                if (!fb_par->state) {
                        if (fb_par->fb_phy_base > 0)
                                info->fix.smem_start = fb_par->fb_phy_base;
                        info->var.xres = dev_drv->screen0->mode.xres;
                        info->var.yres = dev_drv->screen0->mode.yres;
                        /*
-                       info->var.grayscale |=
-                           (info->var.xres << 8) + (info->var.yres << 20);
-                       */
+                        *info->var.grayscale |=
+                        *   (info->var.xres << 8) + (info->var.yres << 20);
+                        */
                        info->var.xres_virtual = info->var.xres;
                        info->var.yres_virtual = info->var.yres;
 #if defined(CONFIG_LOGO_LINUX_BMP)
@@ -889,14 +991,19 @@ static int rk_fb_close(struct fb_info *info, int user)
                        info->var.bits_per_pixel = 16;
 #endif
                        info->fix.line_length =
-                           (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
+                           (info->var.xres_virtual) *
+                           (info->var.bits_per_pixel >> 3);
                        info->var.width = dev_drv->screen0->width;
                        info->var.height = dev_drv->screen0->height;
                        info->var.pixclock = dev_drv->pixclock;
-                       info->var.left_margin = dev_drv->screen0->mode.left_margin;
-                       info->var.right_margin = dev_drv->screen0->mode.right_margin;
-                       info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
-                       info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
+                       info->var.left_margin =
+                               dev_drv->screen0->mode.left_margin;
+                       info->var.right_margin =
+                               dev_drv->screen0->mode.right_margin;
+                       info->var.upper_margin =
+                               dev_drv->screen0->mode.upper_margin;
+                       info->var.lower_margin =
+                               dev_drv->screen0->mode.lower_margin;
                        info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
                        info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
                }
@@ -911,14 +1018,18 @@ static int rk_fb_close(struct fb_info *info, int user)
 static int get_ipp_format(int fmt)
 {
        int ipp_fmt = IPP_XRGB_8888;
+
        switch (fmt) {
        case HAL_PIXEL_FORMAT_RGBX_8888:
+       case HAL_PIXEL_FORMAT_BGRX_8888:
        case HAL_PIXEL_FORMAT_RGBA_8888:
        case HAL_PIXEL_FORMAT_BGRA_8888:
        case HAL_PIXEL_FORMAT_RGB_888:
+       case HAL_PIXEL_FORMAT_BGR_888:
                ipp_fmt = IPP_XRGB_8888;
                break;
        case HAL_PIXEL_FORMAT_RGB_565:
+       case HAL_PIXEL_FORMAT_BGR_565:
                ipp_fmt = IPP_RGB_565;
                break;
        case HAL_PIXEL_FORMAT_YCbCr_422_SP:
@@ -977,7 +1088,7 @@ static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
 }
 
 static void fb_copy_by_ipp(struct fb_info *dst_info,
-                               struct fb_info *src_info)
+                          struct fb_info *src_info)
 {
        struct rk29_ipp_req ipp_req;
        uint32_t rotation = 0;
@@ -1104,97 +1215,95 @@ static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
                            struct rk_lcdc_win *src_win,
                            u16 orientation, int iommu_en)
 {
-       struct rga_req Rga_Request;
+       struct rga_req rga_request;
        long ret = 0;
        /* int fd = 0; */
 
-       memset(&Rga_Request, 0, sizeof(Rga_Request));
+       memset(&rga_request, 0, sizeof(rga_request));
        rga_win_check(dst_win, src_win);
 
        switch (orientation) {
        case ROTATE_90:
-               Rga_Request.rotate_mode = 1;
-               Rga_Request.sina = 65536;
-               Rga_Request.cosa = 0;
-               Rga_Request.dst.act_w = dst_win->area[0].yact;
-               Rga_Request.dst.act_h = dst_win->area[0].xact;
-               Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
-               Rga_Request.dst.y_offset = 0;
+               rga_request.rotate_mode = 1;
+               rga_request.sina = 65536;
+               rga_request.cosa = 0;
+               rga_request.dst.act_w = dst_win->area[0].yact;
+               rga_request.dst.act_h = dst_win->area[0].xact;
+               rga_request.dst.x_offset = dst_win->area[0].xact - 1;
+               rga_request.dst.y_offset = 0;
                break;
        case ROTATE_180:
-               Rga_Request.rotate_mode = 1;
-               Rga_Request.sina = 0;
-               Rga_Request.cosa = -65536;
-               Rga_Request.dst.act_w = dst_win->area[0].xact;
-               Rga_Request.dst.act_h = dst_win->area[0].yact;
-               Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
-               Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
+               rga_request.rotate_mode = 1;
+               rga_request.sina = 0;
+               rga_request.cosa = -65536;
+               rga_request.dst.act_w = dst_win->area[0].xact;
+               rga_request.dst.act_h = dst_win->area[0].yact;
+               rga_request.dst.x_offset = dst_win->area[0].xact - 1;
+               rga_request.dst.y_offset = dst_win->area[0].yact - 1;
                break;
        case ROTATE_270:
-               Rga_Request.rotate_mode = 1;
-               Rga_Request.sina = -65536;
-               Rga_Request.cosa = 0;
-               Rga_Request.dst.act_w = dst_win->area[0].yact;
-               Rga_Request.dst.act_h = dst_win->area[0].xact;
-               Rga_Request.dst.x_offset = 0;
-               Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
+               rga_request.rotate_mode = 1;
+               rga_request.sina = -65536;
+               rga_request.cosa = 0;
+               rga_request.dst.act_w = dst_win->area[0].yact;
+               rga_request.dst.act_h = dst_win->area[0].xact;
+               rga_request.dst.x_offset = 0;
+               rga_request.dst.y_offset = dst_win->area[0].yact - 1;
                break;
        default:
-               Rga_Request.rotate_mode = 0;
-               Rga_Request.dst.act_w = dst_win->area[0].xact;
-               Rga_Request.dst.act_h = dst_win->area[0].yact;
-               Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
-               Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
+               rga_request.rotate_mode = 0;
+               rga_request.dst.act_w = dst_win->area[0].xact;
+               rga_request.dst.act_h = dst_win->area[0].yact;
+               rga_request.dst.x_offset = dst_win->area[0].xact - 1;
+               rga_request.dst.y_offset = dst_win->area[0].yact - 1;
                break;
        }
 
-/*
-       fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
-       Rga_Request.src.yrgb_addr = fd;
-       fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
-       Rga_Request.dst.yrgb_addr = fd;
-*/
-       Rga_Request.src.yrgb_addr = 0;
-       Rga_Request.src.uv_addr =
+       /*
+        * fd =
+        *    ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
+        * rga_request.src.yrgb_addr = fd;
+        * fd =
+        *    ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
+        * rga_request.dst.yrgb_addr = fd;
+        */
+       rga_request.src.yrgb_addr = 0;
+       rga_request.src.uv_addr =
            src_win->area[0].smem_start + src_win->area[0].y_offset;
-       Rga_Request.src.v_addr = 0;
+       rga_request.src.v_addr = 0;
 
-       Rga_Request.dst.yrgb_addr = 0;
-       Rga_Request.dst.uv_addr =
+       rga_request.dst.yrgb_addr = 0;
+       rga_request.dst.uv_addr =
            dst_win->area[0].smem_start + dst_win->area[0].y_offset;
-       Rga_Request.dst.v_addr = 0;
-
-       Rga_Request.src.vir_w = src_win->area[0].xvir;
-       Rga_Request.src.vir_h = src_win->area[0].yvir;
-       Rga_Request.src.format = get_rga_format(src_win->area[0].format);
-       Rga_Request.src.act_w = src_win->area[0].xact;
-       Rga_Request.src.act_h = src_win->area[0].yact;
-       Rga_Request.src.x_offset = 0;
-       Rga_Request.src.y_offset = 0;
-
-       Rga_Request.dst.vir_w = dst_win->area[0].xvir;
-       Rga_Request.dst.vir_h = dst_win->area[0].yvir;
-       Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
-
-       Rga_Request.clip.xmin = 0;
-       Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
-       Rga_Request.clip.ymin = 0;
-       Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
-       Rga_Request.scale_mode = 0;
-#if defined(CONFIG_ROCKCHIP_IOMMU)
+       rga_request.dst.v_addr = 0;
+
+       rga_request.src.vir_w = src_win->area[0].xvir;
+       rga_request.src.vir_h = src_win->area[0].yvir;
+       rga_request.src.format = get_rga_format(src_win->area[0].format);
+       rga_request.src.act_w = src_win->area[0].xact;
+       rga_request.src.act_h = src_win->area[0].yact;
+       rga_request.src.x_offset = 0;
+       rga_request.src.y_offset = 0;
+
+       rga_request.dst.vir_w = dst_win->area[0].xvir;
+       rga_request.dst.vir_h = dst_win->area[0].yvir;
+       rga_request.dst.format = get_rga_format(dst_win->area[0].format);
+
+       rga_request.clip.xmin = 0;
+       rga_request.clip.xmax = dst_win->area[0].xact - 1;
+       rga_request.clip.ymin = 0;
+       rga_request.clip.ymax = dst_win->area[0].yact - 1;
+       rga_request.scale_mode = 0;
+
        if (iommu_en) {
-               Rga_Request.mmu_info.mmu_en = 1;
-               Rga_Request.mmu_info.mmu_flag = 1;
+               rga_request.mmu_info.mmu_en = 1;
+               rga_request.mmu_info.mmu_flag = 1;
        } else {
-               Rga_Request.mmu_info.mmu_en = 0;
-               Rga_Request.mmu_info.mmu_flag = 0;
+               rga_request.mmu_info.mmu_en = 0;
+               rga_request.mmu_info.mmu_flag = 0;
        }
-#else
-       Rga_Request.mmu_info.mmu_en = 0;
-       Rga_Request.mmu_info.mmu_flag = 0;
-#endif
 
-       ret = rga_ioctl_kernel(&Rga_Request);
+       ret = rga_ioctl_kernel(&rga_request);
 }
 
 /*
@@ -1203,7 +1312,7 @@ static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
  * RGA2 support copy RGB to RGB and YUV to YUV
  */
 static void fb_copy_by_rga(struct fb_info *dst_info,
-                               struct fb_info *src_info)
+                          struct fb_info *src_info)
 {
        struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
        struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
@@ -1225,9 +1334,8 @@ static void fb_copy_by_rga(struct fb_info *dst_info,
 #endif
 
 static int rk_fb_rotate(struct fb_info *dst_info,
-                         struct fb_info *src_info)
+                       struct fb_info *src_info)
 {
-
 #if defined(CONFIG_RK29_IPP)
        fb_copy_by_ipp(dst_info, src_info);
 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
@@ -1239,8 +1347,8 @@ static int rk_fb_rotate(struct fb_info *dst_info,
 }
 
 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
-                                           struct rk_lcdc_win *src_win,
-                                           u16 rotate, int iommu_en)
+                                          struct rk_lcdc_win *src_win,
+                                          u16 rotate, int iommu_en)
 {
 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
        win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
@@ -1272,7 +1380,7 @@ static int rk_fb_pan_display(struct fb_var_screeninfo *var,
        u16 uv_x_off, uv_y_off, uv_y_act;
        u8 is_pic_yuv = 0;
 
-       if (dev_drv->suspend_flag)
+       if (dev_drv->suspend_flag || is_car_camcap())
                return 0;
        win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
        if (win_id < 0)
@@ -1290,8 +1398,8 @@ static int rk_fb_pan_display(struct fb_var_screeninfo *var,
        case YUV422_A:
                is_pic_yuv = 1;
                stride = stride_32bit_1;
-               uv_stride = stride_32bit_1 >> 1;
-               uv_x_off = xoffset >> 1;
+               uv_stride = stride_32bit_1;
+               uv_x_off = xoffset;
                uv_y_off = yoffset;
                fix->line_length = stride;
                uv_y_act = win->area[0].yact >> 1;
@@ -1325,7 +1433,7 @@ static int rk_fb_pan_display(struct fb_var_screeninfo *var,
 
        /* x y mirror ,jump line */
        if ((screen->y_mirror == 1) ||
-           (win->mirror_en == 1)) {
+           (win->xmirror && win->ymirror)) {
                if (screen->interlace == 1) {
                        win->area[0].y_offset = yoffset * stride * 2 +
                            ((win->area[0].yact - 1) * 2 + 1) * stride +
@@ -1346,7 +1454,7 @@ static int rk_fb_pan_display(struct fb_var_screeninfo *var,
        }
        if (is_pic_yuv == 1) {
                if ((screen->y_mirror == 1) ||
-                   (win->mirror_en == 1)) {
+                   (win->xmirror && win->ymirror)) {
                        if (screen->interlace == 1) {
                                win->area[0].c_offset =
                                    uv_y_off * uv_stride * 2 +
@@ -1381,10 +1489,11 @@ static int rk_fb_pan_display(struct fb_var_screeninfo *var,
        if (video_data_to_mirroring)
                video_data_to_mirroring(info, NULL);
 #endif
-        /*if not want the config effect,set reserved[3] bit[0] 1*/
-        if (likely((var->reserved[3] & 0x1) == 0))
-               dev_drv->ops->cfg_done(dev_drv);
-
+       /* if not want the config effect,set reserved[3] bit[0] 1 */
+       if (likely((var->reserved[3] & 0x1) == 0))
+               dev_drv->ops->cfg_done(dev_drv);
+       if (dev_drv->hdmi_switch)
+               mdelay(100);
        return 0;
 }
 
@@ -1408,7 +1517,7 @@ void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
                err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
 
        if (err < 0)
-               printk("error waiting on fence\n");
+               pr_info("error waiting on fence\n");
 }
 #if 0
 static int rk_fb_copy_from_loader(struct fb_info *info)
@@ -1418,10 +1527,10 @@ static int rk_fb_copy_from_loader(struct fb_info *info)
        void *dst = info->screen_base;
        u32 dsp_addr[4];
        u32 src;
-       u32 i,size;
+       u32 i, size;
        int win_id;
        struct rk_lcdc_win *win;
-       
+
        win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
        win = dev_drv->win[win_id];
        size = (win->area[0].xact) * (win->area[0].yact) << 2;
@@ -1433,6 +1542,7 @@ static int rk_fb_copy_from_loader(struct fb_info *info)
                void *page = phys_to_page(i + src);
                void *from_virt = kmap(page);
                void *to_virt = dst + i;
+
                memcpy(to_virt, from_virt, PAGE_SIZE);
        }
        dev_drv->ops->direct_set_addr(dev_drv, win_id,
@@ -1440,8 +1550,10 @@ static int rk_fb_copy_from_loader(struct fb_info *info)
        return 0;
 }
 #endif
-#ifdef CONFIG_ROCKCHIP_IOMMU
-static int g_last_addr[4][4];
+static int g_last_addr[5][4];
+static int g_now_config_addr[5][4];
+static int g_last_state[5][4];
+static int g_now_config_state[5][4];
 int g_last_timeout;
 u32 freed_addr[10];
 u32 freed_index;
@@ -1457,6 +1569,7 @@ int rk_fb_sysmmu_fault_handler(struct device *dev,
        struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
        int i = 0, j = 0;
        static int page_fault_cnt;
+
        if ((page_fault_cnt++) >= 10)
                return 0;
        pr_err
@@ -1464,18 +1577,19 @@ int rk_fb_sysmmu_fault_handler(struct device *dev,
             fault_addr, pgtable_base, status);
        pr_info("last config addr:\n");
        for (i = 0; i < 4; i++) {
-               for (j = 0; j < 4; j++)
-                        pr_info("win[%d],area[%d] = 0x%08x\n",
-                                i, j, g_last_addr[i][j]);
+               for (j = 0; j < 4; j++)
+                       pr_info("win[%d],area[%d] = 0x%08x\n",
+                               i, j, g_last_addr[i][j]);
        }
        pr_info("last freed buffer:\n");
        for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
-               printk("%d:0x%08x\n", i, freed_addr[i]);
-       printk("last timeout:%d\n", g_last_timeout);
+               pr_info("%d:0x%08x\n", i, freed_addr[i]);
+       pr_info("last timeout:%d\n", g_last_timeout);
        dev_drv->ops->get_disp_info(dev_drv, buf, 0);
        for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
                if ((PAGE_SIZE - i) > DUMP_CHUNK) {
                        char c = buf[i + DUMP_CHUNK];
+
                        buf[i + DUMP_CHUNK] = 0;
                        pr_cont("%s", buf + i);
                        buf[i + DUMP_CHUNK] = c;
@@ -1487,7 +1601,18 @@ int rk_fb_sysmmu_fault_handler(struct device *dev,
 
        return 0;
 }
-#endif
+
+void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
+                      struct rk_fb_reg_wb_data *wb_data)
+{
+       struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
+
+       if (dev_drv->iommu_enabled && wb_data->ion_handle)
+               ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
+                               wb_data->ion_handle);
+       if (wb_data->ion_handle)
+               ion_free(rk_fb->ion_client, wb_data->ion_handle);
+}
 
 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
                        struct rk_fb_reg_win_data *reg_win_data)
@@ -1499,39 +1624,36 @@ void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
        for (i = 0; i < reg_win_data->area_num; i++) {
                area_data = &reg_win_data->reg_area_data[i];
                index_buf = area_data->index_buf;
-#if defined(CONFIG_ROCKCHIP_IOMMU)
                if (dev_drv->iommu_enabled) {
-                       if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
-                            (area_data->ion_handle != NULL))
+                       if (area_data->ion_handle != NULL &&
+                           !IS_YUV_FMT(area_data->data_format))
                                ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
                                                area_data->ion_handle);
                        freed_addr[freed_index++] = area_data->smem_start;
                }
-#endif
                if (area_data->ion_handle != NULL)
                        ion_free(rk_fb->ion_client, area_data->ion_handle);
 
                if (area_data->acq_fence)
                        sync_fence_put(area_data->acq_fence);
        }
-       memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
 }
 
 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
-                                struct rk_lcdc_win *win,
-                               struct rk_fb_reg_win_data *reg_win_data)
+                            struct rk_lcdc_win *win,
+                            struct rk_fb_reg_win_data *reg_win_data)
 {
        int i = 0;
-        struct rk_fb *inf = platform_get_drvdata(fb_pdev);
-        struct rk_screen *cur_screen;
-        struct rk_screen primary_screen;
+       struct rk_fb *inf = platform_get_drvdata(fb_pdev);
+       struct rk_screen *cur_screen;
+       struct rk_screen primary_screen;
 
-        if (unlikely(!inf) || unlikely(!dev_drv) ||
-            unlikely(!win) || unlikely(!reg_win_data))
-                return;
+       if (unlikely(!inf) || unlikely(!dev_drv) ||
+           unlikely(!win) || unlikely(!reg_win_data))
+               return;
 
-        cur_screen = dev_drv->cur_screen;
-        rk_fb_get_prmry_screen(&primary_screen);
+       cur_screen = dev_drv->cur_screen;
+       rk_fb_get_prmry_screen(&primary_screen);
 
        win->area_num = reg_win_data->area_num;
        win->id = reg_win_data->win_id;
@@ -1550,7 +1672,13 @@ static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
                win->alpha_en = reg_win_data->alpha_en;
                win->alpha_mode = reg_win_data->alpha_mode;
                win->g_alpha_val = reg_win_data->g_alpha_val;
-               win->mirror_en = reg_win_data->mirror_en;
+               /*
+                * reg_win_data mirror_en means that xmirror ymirror all
+                * enabled.
+                */
+               win->xmirror = reg_win_data->mirror_en ? 1 : 0;
+               win->ymirror = reg_win_data->mirror_en ? 1 : 0;
+               win->colorspace = reg_win_data->colorspace;
                win->area[0].fbdc_en =
                        reg_win_data->reg_area_data[0].fbdc_en;
                win->area[0].fbdc_cor_en =
@@ -1561,39 +1689,38 @@ static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
                        if (reg_win_data->reg_area_data[i].smem_start > 0) {
                                win->area[i].format =
                                        reg_win_data->reg_area_data[i].data_format;
-                               if (inf->disp_policy != DISPLAY_POLICY_BOX)
-                                       win->area[i].ion_hdl =
+                               win->area[i].ion_hdl =
                                        reg_win_data->reg_area_data[i].ion_handle;
                                win->area[i].smem_start =
                                        reg_win_data->reg_area_data[i].smem_start;
-                                if (inf->disp_mode == DUAL ||
-                                    inf->disp_mode == NO_DUAL ||
-                                    inf->disp_policy == DISPLAY_POLICY_BOX) {
-                                       win->area[i].xpos =
-                                               reg_win_data->reg_area_data[i].xpos;
-                                       win->area[i].ypos =
-                                               reg_win_data->reg_area_data[i].ypos;
-                                       win->area[i].xsize =
-                                               reg_win_data->reg_area_data[i].xsize;
-                                       win->area[i].ysize =
-                                               reg_win_data->reg_area_data[i].ysize;
-                                } else {
-                                        win->area[i].xpos =
-                                                reg_win_data->reg_area_data[i].xpos *
-                                                cur_screen->mode.xres /
-                                                primary_screen.mode.xres;
-                                       win->area[i].ypos =
-                                                reg_win_data->reg_area_data[i].ypos *
-                                                cur_screen->mode.yres /
-                                                primary_screen.mode.yres;
-                                       win->area[i].xsize =
-                                                reg_win_data->reg_area_data[i].xsize *
-                                                cur_screen->mode.xres /
-                                                primary_screen.mode.xres;
-                                       win->area[i].ysize =
-                                                reg_win_data->reg_area_data[i].ysize *
-                                                cur_screen->mode.yres /
-                                                primary_screen.mode.yres;
+                               if (inf->disp_mode == DUAL ||
+                                   inf->disp_mode == DUAL_LCD ||
+                                   inf->disp_mode == NO_DUAL) {
+                                       win->area[i].xpos =
+                                               reg_win_data->reg_area_data[i].xpos;
+                                       win->area[i].ypos =
+                                               reg_win_data->reg_area_data[i].ypos;
+                                       win->area[i].xsize =
+                                               reg_win_data->reg_area_data[i].xsize;
+                                       win->area[i].ysize =
+                                               reg_win_data->reg_area_data[i].ysize;
+                               } else {
+                                       win->area[i].xpos =
+                                               reg_win_data->reg_area_data[i].xpos *
+                                               cur_screen->mode.xres /
+                                               primary_screen.mode.xres;
+                                       win->area[i].ypos =
+                                               reg_win_data->reg_area_data[i].ypos *
+                                               cur_screen->mode.yres /
+                                               primary_screen.mode.yres;
+                                       win->area[i].xsize =
+                                               reg_win_data->reg_area_data[i].xsize *
+                                               cur_screen->mode.xres /
+                                               primary_screen.mode.xres;
+                                       win->area[i].ysize =
+                                               reg_win_data->reg_area_data[i].ysize *
+                                               cur_screen->mode.yres /
+                                               primary_screen.mode.yres;
 
                                        /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
                                        if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
@@ -1613,7 +1740,7 @@ static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
                                                                win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
                                                }
                                        }
-                                }
+                               }
                                win->area[i].xact =
                                    reg_win_data->reg_area_data[i].xact;
                                win->area[i].yact =
@@ -1631,17 +1758,19 @@ static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
                                win->area[i].y_vir_stride =
                                    reg_win_data->reg_area_data[i].y_vir_stride;
                                win->area[i].state = 1;
-#if defined(CONFIG_ROCKCHIP_IOMMU)
-                               if (dev_drv->iommu_enabled)
-                                       g_last_addr[win->id][i] = win->area[i].smem_start +
+                               if (dev_drv->iommu_enabled) {
+                                       g_now_config_addr[win->id][i] =
+                                               win->area[i].smem_start +
                                                win->area[i].y_offset;
-#endif
+                                       g_now_config_state[win->id][i] = 1;
+                               }
                        } else {
                                win->area[i].state = 0;
-#if defined(CONFIG_ROCKCHIP_IOMMU)
-                               if (dev_drv->iommu_enabled)
-                                       g_last_addr[win->id][i] = -1;
-#endif
+                               win->area[i].fbdc_en = 0;
+                               if (dev_drv->iommu_enabled) {
+                                       g_now_config_addr[win->id][i] = 0;
+                                       g_now_config_state[win->id][i] = 0;
+                               }
                        }
                }
        }
@@ -1652,6 +1781,7 @@ static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
 {
        int i;
        struct rk_fb_reg_win_data *win_data = NULL;
+
        for (i = 0; i < regs->win_num; i++) {
                if (regs->reg_win_data[i].win_id == win_id) {
                        win_data = &(regs->reg_win_data[i]);
@@ -1663,44 +1793,32 @@ static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
 }
 
 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
-                            struct rk_fb_reg_data *regs,
-                            int count)
+                           struct rk_fb_reg_data *regs,
+                           int count)
 {
-       struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
        int i, j, wait_for_vsync = false;
        unsigned int dsp_addr[5][4];
-       unsigned int area_support[5] = {1, 1, 1, 1, 1};
        int win_status = 0;
 
        if (dev_drv->ops->get_dsp_addr)
                dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
 
-       if (dev_drv->ops->area_support_num)
-               dev_drv->ops->area_support_num(dev_drv, area_support);
-
        for (i = 0; i < dev_drv->lcdc_win_num; i++) {
-               if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
-                   (!strcmp(dev_drv->win[i]->name, "hwc")))
-                       continue;
-
-               for (j = 0;j < RK_WIN_MAX_AREA; j++) {
-                       if ((j > 0) && (area_support[i] == 1)) {
+               for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+                       if ((j > 0) && (dev_drv->area_support[i] == 1))
                                continue;
-                       }
                        if (dev_drv->win[i]->area[j].state == 1) {
                                u32 new_start =
                                        dev_drv->win[i]->area[j].smem_start +
                                        dev_drv->win[i]->area[j].y_offset;
                                u32 reg_start = dsp_addr[i][j];
-                               if ((rk_fb->disp_policy ==
-                                       DISPLAY_POLICY_BOX) &&
-                                       (dev_drv->suspend_flag))
-                                       continue;
+
                                if (unlikely(new_start != reg_start)) {
                                        wait_for_vsync = true;
                                        dev_info(dev_drv->dev,
                                                 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
-                                                i, new_start, reg_start, 101 - count);
+                                                i, new_start, reg_start,
+                                                101 - count);
                                        break;
                                }
                        } else if (dev_drv->win[i]->area[j].state == 0) {
@@ -1720,57 +1838,142 @@ static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
        return wait_for_vsync;
 }
 
+static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
+{
+       int i, j, state, page_fault = 0;
+       unsigned int dsp_addr[5][4];
+
+       if (dev_drv->ops->extern_func) {
+               dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
+               page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
+       }
+       if (page_fault) {
+               pr_info("last config:\n");
+               for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+                       for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+                               if ((j > 0) && (dev_drv->area_support[i] == 1))
+                                       continue;
+                               pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
+                                       i, j, g_last_state[i][j], g_last_addr[i][j]);
+                       }
+               }
+
+               pr_info("last freed buffer:\n");
+               for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
+                       pr_info("%d:0x%08x\n", i, freed_addr[i]);
+
+               dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
+               pr_info("vop now state:\n");
+               for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+                       for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+                               if ((j > 0) && (dev_drv->area_support[i] == 1))
+                                       continue;
+                               state = dev_drv->ops->get_win_state(dev_drv, i, j);
+                               pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
+                                       i, j, state, dsp_addr[i][j]);
+                       }
+               }
+               pr_info("now config:\n");
+               for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+                       for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+                               if ((j > 0) && (dev_drv->area_support[i] == 1))
+                                       continue;
+                               pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
+                                       i, j, g_now_config_state[i][j],
+                                       g_now_config_addr[i][j]);
+                       }
+               }
+               for (i = 0; i < DUMP_FRAME_NUM; i++)
+                       rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
+                                          &dev_drv->tmp_regs[i], 0);
+       }
+
+       for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+               for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+                       if ((j > 0) && (dev_drv->area_support[i] == 1))
+                               continue;
+                       g_last_addr[i][j] = g_now_config_addr[i][j];
+                       g_last_state[i][j] = g_now_config_state[i][j];
+               }
+       }
+
+       return page_fault;
+}
 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
                             struct rk_fb_reg_data *regs)
 {
        int i, j;
        struct rk_lcdc_win *win;
        ktime_t timestamp = dev_drv->vsync_info.timestamp;
-       struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
        struct rk_fb_reg_win_data *win_data;
        bool wait_for_vsync;
        int count = 100;
        long timeout;
+       int pagefault = 0;
 
+       if (dev_drv->suspend_flag == 1) {
+#ifdef H_USE_FENCE
+               sw_sync_timeline_inc(dev_drv->timeline, 1);
+#endif
+               for (i = 0; i < regs->win_num; i++) {
+                       win_data = &regs->reg_win_data[i];
+                       rk_fb_free_dma_buf(dev_drv, win_data);
+               }
+               if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
+                       rk_fb_free_wb_buf(dev_drv, &regs->reg_wb_data);
+               kfree(regs);
+               return;
+       }
        /* acq_fence wait */
        for (i = 0; i < regs->win_num; i++) {
                win_data = &regs->reg_win_data[i];
                for (j = 0; j < RK_WIN_MAX_AREA; j++) {
-                       if (win_data->reg_area_data[j].acq_fence) {
-                               /* printk("acq_fence wait!!!!!\n"); */
+                       if (win_data->reg_area_data[j].acq_fence)
                                rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
-                       }
                }
        }
 
+       mutex_lock(&dev_drv->win_config);
        for (i = 0; i < dev_drv->lcdc_win_num; i++) {
                win = dev_drv->win[i];
                win_data = rk_fb_get_win_data(regs, i);
                if (win_data) {
-                       if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
-                           (win_data->reg_area_data[0].data_format == YUV420 ||
-                            win_data->reg_area_data[0].data_format == YUV420_NV21 ||
-                            win_data->reg_area_data[0].data_format == YUV420_A))
-                               continue;
-                       mutex_lock(&dev_drv->win_config);
                        rk_fb_update_win(dev_drv, win, win_data);
                        win->state = 1;
                        dev_drv->ops->set_par(dev_drv, i);
                        dev_drv->ops->pan_display(dev_drv, i);
-                       mutex_unlock(&dev_drv->win_config);
                } else {
                        win->z_order = -1;
                        win->state = 0;
-#if defined(CONFIG_ROCKCHIP_IOMMU)
+                       for (j = 0; j < 4; j++) {
+                               win->area[j].state = 0;
+                               win->area[j].fbdc_en = 0;
+                       }
                        if (dev_drv->iommu_enabled) {
-                               for (j = 0; j < 4; j++)
-                                       g_last_addr[i][j] = -1;
+                               for (j = 0; j < 4; j++) {
+                                       g_now_config_addr[i][j] = 0;
+                                       g_now_config_state[i][j] = 0;
+                               }
                        }
-#endif
                }
        }
        dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
-       dev_drv->ops->cfg_done(dev_drv);
+
+       if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
+               memcpy(&dev_drv->wb_data, &regs->reg_wb_data,
+                      sizeof(struct rk_fb_reg_wb_data));
+               if (dev_drv->ops->set_wb)
+                       dev_drv->ops->set_wb(dev_drv);
+       }
+
+       if (rk_fb_iommu_debug > 0)
+               pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
+
+       if (pagefault == 0)
+               dev_drv->ops->cfg_done(dev_drv);
+       else
+               sw_sync_timeline_inc(dev_drv->timeline, 1);
+       mutex_unlock(&dev_drv->win_config);
 
        do {
                timestamp = dev_drv->vsync_info.timestamp;
@@ -1785,14 +1988,12 @@ static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
 #endif
 
        if (dev_drv->front_regs) {
-#if defined(CONFIG_ROCKCHIP_IOMMU)
                if (dev_drv->iommu_enabled) {
                        if (dev_drv->ops->mmu_en)
                                dev_drv->ops->mmu_en(dev_drv);
                        freed_index = 0;
                        g_last_timeout = timeout;
                }
-#endif
 
                mutex_lock(&dev_drv->front_lock);
 
@@ -1800,14 +2001,15 @@ static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
                        win_data = &dev_drv->front_regs->reg_win_data[i];
                        rk_fb_free_dma_buf(dev_drv, win_data);
                }
+               if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
+                       rk_fb_free_wb_buf(dev_drv,
+                                         &dev_drv->front_regs->reg_wb_data);
                kfree(dev_drv->front_regs);
 
                mutex_unlock(&dev_drv->front_lock);
 
-#if defined(CONFIG_ROCKCHIP_IOMMU)
                if (dev_drv->iommu_enabled)
                        freed_addr[freed_index] = 0xfefefefe;
-#endif
        }
 
        mutex_lock(&dev_drv->front_lock);
@@ -1831,8 +2033,8 @@ static void rk_fb_update_regs_handler(struct kthread_work *work)
        mutex_unlock(&dev_drv->update_regs_list_lock);
 
        list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
-               rk_fb_update_reg(dev_drv, data);
                list_del(&data->list);
+               rk_fb_update_reg(dev_drv, data);
        }
 
        if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
@@ -1842,6 +2044,9 @@ static void rk_fb_update_regs_handler(struct kthread_work *work)
 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
                                  struct rk_screen *screen)
 {
+       if (area_par->phy_addr > 0)
+               pr_err("%s[%d], phy_addr = 0x%x\n",
+                      __func__, __LINE__, area_par->phy_addr);
        if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
            (area_par->xact <= 0) || (area_par->yact <= 0) ||
            (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
@@ -1851,19 +2056,170 @@ static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
                return -EINVAL;
        }
 
-       if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
-           (area_par->ypos + area_par->ysize > screen->mode.yres) ||
-           (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
+       if ((area_par->xpos >= screen->mode.xres) ||
+           (area_par->ypos >= screen->mode.yres) ||
+           ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
                pr_warn("check config var fail 1:\n"
-                      "xpos=%d,xsize=%d,xres=%d\n"
-                      "ypos=%d,ysize=%d,yres=%d\n",
-                      area_par->xpos, area_par->xsize, screen->mode.xres,
-                      area_par->ypos, area_par->ysize, screen->mode.yres);
+                       "xpos=%d,xsize=%d,xres=%d\n"
+                       "ypos=%d,ysize=%d,yres=%d\n",
+                       area_par->xpos, area_par->xsize, screen->mode.xres,
+                       area_par->ypos, area_par->ysize, screen->mode.yres);
                return -EINVAL;
        }
        return 0;
 }
 
+static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
+                             struct rk_fb_win_cfg_data *win_data,
+                             struct rk_fb_reg_data *regs, u32 cmd)
+{
+       int i, j;
+       struct rk_fb_win_par *win_par;
+       struct rk_fb_area_par *area_par;
+       struct rk_fb_reg_win_data *reg_win_data;
+       struct rk_fb_reg_area_data *area_data;
+
+       rk_fb_dbg(cmd, "-------------frame start-------------\n");
+       rk_fb_dbg(cmd, "user config:\n");
+       for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+               win_par = &(win_data->win_par[i]);
+               if ((win_par->area_par[0].ion_fd <= 0) &&
+                   (win_par->area_par[0].phy_addr <= 0))
+                       continue;
+               rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
+                         win_par->win_id, win_par->z_order,
+                         win_par->g_alpha_val);
+               for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+                       area_par = &(win_par->area_par[j]);
+                       if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
+                           ((win_par->area_par[j].ion_fd <= 0) &&
+                            (win_par->area_par[j].phy_addr <= 0)))
+                               continue;
+                       rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
+                                 j, area_par->data_format, area_par->ion_fd,
+                                 area_par->phy_addr, area_par->x_offset,
+                                 area_par->y_offset);
+                       rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
+                                 area_par->xpos, area_par->ypos,
+                                 area_par->xsize, area_par->ysize);
+                       rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
+                                 area_par->xact, area_par->yact,
+                                 area_par->xvir, area_par->yvir);
+               }
+       }
+
+       rk_fb_dbg(cmd, "regs data:\n");
+       rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
+                 regs->win_num, regs->buf_num);
+       for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+               reg_win_data = &(regs->reg_win_data[i]);
+               if (reg_win_data->reg_area_data[0].smem_start <= 0)
+                       continue;
+               rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
+                         reg_win_data->win_id, reg_win_data->z_order,
+                         reg_win_data->area_num, reg_win_data->area_buf_num);
+               for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+                       area_data = &(reg_win_data->reg_area_data[j]);
+                       if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
+                           (area_data->smem_start <= 0))
+                               continue;
+                       rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
+                                 j, area_data->data_format, area_data->ion_handle,
+                                 area_data->smem_start, area_data->cbr_start);
+                       rk_fb_dbg(cmd, "           yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
+                                 area_data->y_offset, area_data->c_offset, area_data->buff_len);
+                       rk_fb_dbg(cmd, "           xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
+                                 area_data->xpos, area_data->ypos,
+                                 area_data->xsize, area_data->ysize);
+                       rk_fb_dbg(cmd, "           xact=%d,yact=%d,xvir=%d,yvir=%d\n",
+                                 area_data->xact, area_data->yact,
+                                 area_data->xvir, area_data->yvir);
+               }
+       }
+       rk_fb_dbg(cmd, "-------------frame end---------------\n");
+
+       return 0;
+}
+static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
+                              struct rk_fb_win_cfg_data *win_cfg,
+                              struct rk_fb_reg_data *regs)
+{
+       int i;
+
+       /*2->1->0: 0 is newest*/
+       for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
+               memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
+                      &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
+                      sizeof(struct rk_fb_win_cfg_data));
+               memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
+                      &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
+                      sizeof(struct rk_fb_reg_data));
+       }
+
+       memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
+              sizeof(struct rk_fb_win_cfg_data));
+       memcpy(&dev_drv->tmp_regs[0], regs,
+              sizeof(struct rk_fb_reg_data));
+
+       return 0;
+}
+
+static int rk_fb_set_wb_buffer(struct fb_info *info,
+                              struct rk_fb_wb_cfg *wb_cfg,
+                              struct rk_fb_reg_wb_data *wb_data)
+{
+       int ret = 0;
+       ion_phys_addr_t phy_addr;
+       size_t len;
+       u8 fb_data_fmt;
+       struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
+       struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
+       struct rk_fb *rk_fb = dev_get_drvdata(info->device);
+
+       if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
+               wb_data->state = 0;
+               return 0;
+       }
+       if (wb_cfg->phy_addr == 0) {
+               wb_data->ion_handle =
+                   ion_import_dma_buf(rk_fb->ion_client,
+                                      wb_cfg->ion_fd);
+               if (IS_ERR(wb_data->ion_handle)) {
+                       pr_info("Could not import handle: %ld\n",
+                               (long)wb_data->ion_handle);
+                       return -EINVAL;
+               }
+               if (dev_drv->iommu_enabled)
+                       ret = ion_map_iommu(dev_drv->dev,
+                                           rk_fb->ion_client,
+                                           wb_data->ion_handle,
+                                           (unsigned long *)&phy_addr,
+                                           (unsigned long *)&len);
+               else
+                       ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
+                                      &phy_addr, &len);
+               if (ret < 0) {
+                       pr_err("ion map to get phy addr failed\n");
+                       ion_free(rk_fb->ion_client, wb_data->ion_handle);
+                       return -ENOMEM;
+               }
+               wb_data->smem_start = phy_addr;
+       } else {
+               wb_data->smem_start = wb_cfg->phy_addr;
+       }
+
+       fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
+       if (IS_YUV_FMT(fb_data_fmt))
+               wb_data->cbr_start = wb_data->smem_start +
+                                       wb_cfg->xsize * wb_cfg->ysize;
+       wb_data->xsize = wb_cfg->xsize;
+       wb_data->ysize = wb_cfg->ysize;
+       wb_data->data_format = fb_data_fmt;
+       wb_data->state = 1;
+
+       return 0;
+}
+
 static int rk_fb_set_win_buffer(struct fb_info *info,
                                struct rk_fb_win_par *win_par,
                                struct rk_fb_reg_win_data *reg_win_data)
@@ -1873,32 +2229,32 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
        struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
        struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
        /*if hdmi size move to hwc,screen should point to cur_screen
-         otherwise point to screen0[main screen]*/
+        *otherwise point to screen0[main screen]*/
        struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
        struct fb_info *fbi;
        int i, ion_fd, acq_fence_fd;
-       u32 xvir, yvir;
-       u32 xoffset, yoffset;
+       u32 xvir = 0, yvir = 0;
+       u32 xoffset = 0, yoffset = 0;
 
        struct ion_handle *hdl;
        size_t len;
-       int index_buf;
-       u8 fb_data_fmt;
-       u8 pixel_width;
-       u32 vir_width_bit;
-       u32 stride, uv_stride;
-       u32 stride_32bit_1;
-       u32 stride_32bit_2;
-       u16 uv_x_off, uv_y_off, uv_y_act;
+       int index_buf = 0;
+       u8 fb_data_fmt = 0;
+       u8 pixel_width = 0;
+       u32 vir_width_bit = 0;
+       u32 stride = 0, uv_stride = 0;
+       u32 stride_32bit_1 = 0;
+       u32 stride_32bit_2 = 0;
+       u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
        u8 is_pic_yuv = 0;
        u8 ppixel_a = 0, global_a = 0;
        ion_phys_addr_t phy_addr;
        int ret = 0;
-       int buff_len;
+       int buff_len = 0;
 
        reg_win_data->reg_area_data[0].smem_start = -1;
        reg_win_data->area_num = 0;
-       fbi = rk_fb->fb[reg_win_data->win_id];
+       fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
        if (win_par->area_par[0].phy_addr == 0) {
                for (i = 0; i < RK_WIN_MAX_AREA; i++) {
                        ion_fd = win_par->area_par[i].ion_fd;
@@ -1907,26 +2263,23 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                                    ion_import_dma_buf(rk_fb->ion_client,
                                                       ion_fd);
                                if (IS_ERR(hdl)) {
-                                       pr_info("%s: Could not import handle:"
-                                               " %ld\n", __func__, (long)hdl);
-                                       /*return -EINVAL; */
+                                       pr_info("%s: win[%d]area[%d] can't import handle\n",
+                                               __func__, win_par->win_id, i);
+                                       pr_info("fd: %d, hdl: 0x%p, ion_client: 0x%p\n",
+                                               ion_fd, hdl, rk_fb->ion_client);
+                                       return -EINVAL;
                                        break;
                                }
                                reg_win_data->reg_area_data[i].ion_handle = hdl;
-#ifndef CONFIG_ROCKCHIP_IOMMU
-                               ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
-                                               &len);
-#else
                                if (dev_drv->iommu_enabled)
                                        ret = ion_map_iommu(dev_drv->dev,
-                                                               rk_fb->ion_client,
-                                                               hdl,
-                                                               (unsigned long *)&phy_addr,
-                                                               (unsigned long *)&len);
+                                                           rk_fb->ion_client,
+                                                           hdl,
+                                                           (unsigned long *)&phy_addr,
+                                                           (unsigned long *)&len);
                                else
                                        ret = ion_phys(rk_fb->ion_client, hdl,
-                                                       &phy_addr, &len);
-#endif
+                                                      &phy_addr, &len);
                                if (ret < 0) {
                                        dev_err(fbi->dev, "ion map to get phy addr failed\n");
                                        ion_free(rk_fb->ion_client, hdl);
@@ -1948,7 +2301,7 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
        }
 
        if (reg_win_data->area_num == 0) {
-               for (i = 0; i < RK_WIN_MAX_AREA; i++)
+               for (i = 0; i < RK_WIN_MAX_AREA; i++)
                        reg_win_data->reg_area_data[i].smem_start = 0;
                reg_win_data->z_order = -1;
                reg_win_data->win_id = -1;
@@ -1973,11 +2326,13 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
 
        reg_win_data->mirror_en = win_par->mirror_en;
        for (i = 0; i < reg_win_data->area_num; i++) {
+               u8 data_format = win_par->area_par[i].data_format;
                /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
-
-               fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
+               reg_win_data->colorspace = CSC_FORMAT(data_format);
+               data_format &= ~CSC_MASK;
+               fb_data_fmt = rk_fb_data_fmt(data_format, 0);
                reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
-               if (fb_data_fmt >= FBDC_RGB_565) {
+               if (IS_FBDC_FMT(fb_data_fmt)) {
                        reg_win_data->reg_area_data[i].fbdc_en = 1;
                        reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
                } else {
@@ -1990,6 +2345,19 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                             (fb_data_fmt == FBDC_ARGB_888) ||
                             (fb_data_fmt == FBDC_ABGR_888) ||
                             (fb_data_fmt == ABGR888)) ? 1 : 0;
+               /*act_height should be 2 pix align for interlace output*/
+               if (win_par->area_par[i].yact % 2 == 1) {
+                       win_par->area_par[i].yact  -= 1;
+                       win_par->area_par[i].ysize -= 1;
+               }
+
+               /* buf offset should be 2 pix align*/
+               if ((win_par->area_par[i].x_offset % 2 == 1) &&
+                   IS_YUV_FMT(fb_data_fmt)) {
+                       win_par->area_par[i].x_offset += 1;
+                       win_par->area_par[i].xact -= 1;
+               }
+
                /* visiable pos in panel */
                reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
                reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
@@ -2048,26 +2416,22 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                                    xoffset * pixel_width / 8;
                        }
                }
-               if ((fb_data_fmt != YUV420) &&
-                   (fb_data_fmt != YUV420_NV21) &&
-                   (fb_data_fmt != YUV422) &&
-                    (fb_data_fmt != YUV444) &&
-                    dev_drv->iommu_enabled) {
-                        buff_len = reg_win_data->reg_area_data[i].y_offset +
-                                reg_win_data->reg_area_data[i].xvir *
-                                reg_win_data->reg_area_data[i].yact *
-                                pixel_width / 8 -
-                                reg_win_data->reg_area_data[i].xoff*
-                                pixel_width / 8;
-                        if (buff_len > reg_win_data->reg_area_data[i].buff_len)
-                                pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
-                                       "yact[%d]*bpp[%d]"
-                                       "=buff_len[0x%x]>>mmu len=0x%x\n",
-                                       fb_data_fmt,
-                                       reg_win_data->reg_area_data[i].xvir,
-                                       reg_win_data->reg_area_data[i].yact,
-                                       pixel_width, buff_len,
-                                       reg_win_data->reg_area_data[i].buff_len);
+               if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
+                       buff_len = reg_win_data->reg_area_data[i].y_offset +
+                               reg_win_data->reg_area_data[i].xvir *
+                               reg_win_data->reg_area_data[i].yact *
+                               pixel_width / 8 -
+                               reg_win_data->reg_area_data[i].xoff*
+                               pixel_width / 8;
+                       if (buff_len > reg_win_data->reg_area_data[i].buff_len)
+                               pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
+                                      "yact[%d]*bpp[%d]"
+                                      "=buff_len[0x%x]>>mmu len=0x%x\n",
+                                      fb_data_fmt,
+                                      reg_win_data->reg_area_data[i].xvir,
+                                      reg_win_data->reg_area_data[i].yact,
+                                      pixel_width, buff_len,
+                                      reg_win_data->reg_area_data[i].buff_len);
                }
        }
 
@@ -2081,8 +2445,8 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
        case YUV422_A:
                is_pic_yuv = 1;
                stride = stride_32bit_1;
-               uv_stride = stride_32bit_1 >> 1;
-               uv_x_off = xoffset >> 1;
+               uv_stride = stride_32bit_1;
+               uv_x_off = xoffset;
                uv_y_off = yoffset;
                fix->line_length = stride;
                uv_y_act = win_par->area_par[0].yact >> 1;
@@ -2145,9 +2509,9 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                        pixel_width / 16 -
                        reg_win_data->reg_area_data[0].smem_start -
                        reg_win_data->reg_area_data[0].xoff*
-                       pixel_width / 16 ;
+                       pixel_width / 16;
                if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
-                     dev_drv->iommu_enabled)
+                    dev_drv->iommu_enabled)
                        pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
                               "yact[%d]*bpp[%d]"
                               "=buff_len[0x%x]>>mmu len=0x%x\n",
@@ -2158,11 +2522,14 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                               reg_win_data->reg_area_data[0].buff_len);
        }
 
-       /* record buffer information for rk_fb_disp_scale to prevent fence timeout
-        * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
+       /* record buffer information for rk_fb_disp_scale to prevent fence
+        * timeout because rk_fb_disp_scale will call function
+        * info->fbops->fb_set_par(info);
+        * delete by hjc for new hdmi overscan framework.
+        */
+       /* info->var.yoffset = yoffset;
+        * info->var.xoffset = xoffset;
         */
-       info->var.yoffset = yoffset;
-       info->var.xoffset = xoffset;
        return 0;
 }
 
@@ -2181,45 +2548,47 @@ static int rk_fb_set_win_config(struct fb_info *info,
 #endif
        int ret = 0, i, j = 0;
        int list_is_empty = 0;
-        struct rk_screen *screen = dev_drv->cur_screen;
+       struct rk_screen *screen = dev_drv->cur_screen;
 
        mutex_lock(&dev_drv->output_lock);
 
-        for (i = 0; i < 4; i++) {
-                for (j = 0; j < 4; j++) {
-                        if (win_data->win_par[i].area_par[j].ion_fd > 0)
-                                ret += rk_fb_check_config_var(
-                                        &win_data->win_par[i].area_par[j],
-                                        screen);
-                }
-        }
+       for (i = 0; i < 4; i++) {
+               for (j = 0; j < 4; j++) {
+                       if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
+                           (win_data->win_par[i].area_par[j].phy_addr > 0))
+                               ret += rk_fb_check_config_var(
+                                       &win_data->win_par[i].area_par[j],
+                                       screen);
+               }
+       }
        if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
                dev_drv->timeline_max++;
                sw_sync_timeline_inc(dev_drv->timeline, 1);
                if (dev_drv->suspend_flag)
-                       pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
+                       pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
                else if (dev_drv->hdmi_switch)
-                       pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
+                       pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
                else
-                       pr_err("error config ,ignore\n");
+                       pr_err("error config ,ignore\n");
                for (j = 0; j < RK_MAX_BUF_NUM; j++)
-                       win_data->rel_fence_fd[j] = -1;
+                       win_data->rel_fence_fd[j] = -1;
                win_data->ret_fence_fd = -1;
                goto err;
        }
 
        regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
        if (!regs) {
-               printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
+               pr_info("could not allocate rk_fb_reg_data\n");
                ret = -ENOMEM;
                goto err;
        }
 
-       for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
+       for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
                if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
                        if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
                                                 &regs->reg_win_data[j])) {
                                ret = -ENOMEM;
+                               pr_info("error:%s[%d]\n", __func__, __LINE__);
                                goto err2;
                        }
                        if (regs->reg_win_data[j].area_num > 0) {
@@ -2229,18 +2598,20 @@ static int rk_fb_set_win_config(struct fb_info *info,
                        }
                        j++;
                } else {
-                       printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
-                       printk(KERN_INFO "i=%d,win_id=%d\n", i,
-                              win_data->win_par[i].win_id);
+                       pr_info("error:win_id bigger than lcdc_win_num\n");
+                       pr_info("i=%d,win_id=%d\n", i,
+                               win_data->win_par[i].win_id);
                }
        }
-
+       if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
+               rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
+                                   &regs->reg_wb_data);
        if (regs->win_num <= 0)
                goto err_null_frame;
 
        dev_drv->timeline_max++;
 #ifdef H_USE_FENCE
-       win_data->ret_fence_fd = get_unused_fd();
+       win_data->ret_fence_fd = get_unused_fd_flags(0);
        if (win_data->ret_fence_fd < 0) {
                pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
                win_data->ret_fence_fd = -1;
@@ -2250,10 +2621,10 @@ static int rk_fb_set_win_config(struct fb_info *info,
        for (i = 0; i < RK_MAX_BUF_NUM; i++) {
                if (i < regs->buf_num) {
                        sprintf(fence_name, "fence%d", i);
-                       win_data->rel_fence_fd[i] = get_unused_fd();
+                       win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
                        if (win_data->rel_fence_fd[i] < 0) {
-                               printk(KERN_INFO "rel_fence_fd=%d\n",
-                                      win_data->rel_fence_fd[i]);
+                               pr_info("rel_fence_fd=%d\n",
+                                       win_data->rel_fence_fd[i]);
                                ret = -EFAULT;
                                goto err2;
                        }
@@ -2297,12 +2668,15 @@ static int rk_fb_set_win_config(struct fb_info *info,
                        if (ret > 0)
                                rk_fb_update_reg(dev_drv, regs);
                        else
-                               printk("%s: wait update_regs_wait timeout\n", __func__);
+                               pr_info("%s: wait update_regs_wait timeout\n", __func__);
                } else if (ret == 0) {
                        rk_fb_update_reg(dev_drv, regs);
                }
        }
-
+       if (rk_fb_debug_lvl > 0)
+               rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
+       if (rk_fb_iommu_debug > 0)
+               rk_fb_config_backup(dev_drv, win_data, regs);
 err:
        mutex_unlock(&dev_drv->output_lock);
        return ret;
@@ -2312,6 +2686,7 @@ err_null_frame:
        win_data->ret_fence_fd = -1;
        pr_info("win num = %d,null frame\n", regs->win_num);
 err2:
+       rk_fb_config_debug(dev_drv, win_data, regs, 0);
        kfree(regs);
        mutex_unlock(&dev_drv->output_lock);
 
@@ -2345,9 +2720,6 @@ int rk_get_real_fps(int before)
        dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
                        cfgdone_lasttime;
        total = dist_curr;
-       /*
-          printk("fps: ");
-        */
        for (i = 0; i < 10; i++) {
                if (--index < 0)
                        index = 9;
@@ -2355,9 +2727,6 @@ int rk_get_real_fps(int before)
                if (i == 0)
                        dist_first = cfgdone_distlist[index];
                if (total < (before * 1000)) {
-                       /*
-                          printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
-                        */
                        dist_total += cfgdone_distlist[index];
                        dist_count++;
                } else {
@@ -2365,9 +2734,6 @@ int rk_get_real_fps(int before)
                }
        }
 
-       /*
-          printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
-        */
        dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
        dist_total += dist_curr;
        dist_count++;
@@ -2377,19 +2743,14 @@ int rk_get_real_fps(int before)
        else
                fps = 60;
 
-       /*
-          printk("curr2 %d, fps=%d\n", dist_curr, fps);
-        */
        return fps;
 }
 EXPORT_SYMBOL(rk_get_real_fps);
 
 #endif
-#ifdef CONFIG_ROCKCHIP_IOMMU
 #define ION_MAX 10
 static struct ion_handle *ion_hanle[ION_MAX];
 static struct ion_handle *ion_hwc[1];
-#endif
 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                       unsigned long arg)
 {
@@ -2401,27 +2762,24 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
        int enable;     /* enable fb:1 enable;0 disable */
        int ovl;        /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
        int num_buf;    /* buffer_number */
-       int ret;
+       int ret = 0;
        struct rk_fb_win_cfg_data win_data;
        unsigned int dsp_addr[4][4];
        int list_stat;
 
        int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
-
        void __user *argp = (void __user *)arg;
-       win = dev_drv->win[win_id];
 
+       win = dev_drv->win[win_id];
        switch (cmd) {
        case RK_FBIOSET_HWC_ADDR:
        {
                u32 hwc_phy[1];
+
                if (copy_from_user(hwc_phy, argp, 4))
                        return -EFAULT;
-#ifdef CONFIG_ROCKCHIP_IOMMU
                if (!dev_drv->iommu_enabled) {
-#endif
                        fix->smem_start = hwc_phy[0];
-#ifdef CONFIG_ROCKCHIP_IOMMU
                } else {
                        int usr_fd;
                        struct ion_handle *hdl;
@@ -2449,8 +2807,8 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        }
 
                        ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
-                                               (unsigned long *)&phy_addr,
-                                               (unsigned long *)&len);
+                                           (unsigned long *)&phy_addr,
+                                           (unsigned long *)&len);
                        if (ret < 0) {
                                dev_err(info->dev, "ion map to get hwc phy addr failed");
                                ion_free(rk_fb->ion_client, hdl);
@@ -2459,7 +2817,6 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        fix->smem_start = phy_addr;
                        ion_hwc[0] = hdl;
                }
-#endif
                break;
        }
        case RK_FBIOSET_YUV_ADDR:
@@ -2468,12 +2825,9 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
 
                        if (copy_from_user(yuv_phy, argp, 8))
                                return -EFAULT;
-                       #ifdef CONFIG_ROCKCHIP_IOMMU
                        if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
-                       #endif
                                fix->smem_start = yuv_phy[0];
                                fix->mmio_start = yuv_phy[1];
-                       #ifdef CONFIG_ROCKCHIP_IOMMU
                        } else {
                                int usr_fd, offset, tmp;
                                struct ion_handle *hdl;
@@ -2489,8 +2843,12 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                                }
 
                                if (ion_hanle[ION_MAX - 1] != 0) {
-                                       /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
-                                       /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
+                                       /*ion_unmap_kernel(rk_fb->ion_client,
+                                        *      ion_hanle[ION_MAX - 1]);
+                                        *ion_unmap_iommu(dev_drv->dev,
+                                        *      rk_fb->ion_client,
+                                        *      ion_hanle[ION_MAX - 1]);
+                                        */
                                        ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
                                        ion_hanle[ION_MAX - 1] = 0;
                                }
@@ -2503,8 +2861,8 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                                }
 
                                ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
-                                                       (unsigned long *)&phy_addr,
-                                                       (unsigned long *)&len);
+                                                   (unsigned long *)&phy_addr,
+                                                   (unsigned long *)&len);
                                if (ret < 0) {
                                        dev_err(info->dev, "ion map to get phy addr failed");
                                        ion_free(rk_fb->ion_client, hdl);
@@ -2513,20 +2871,20 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                                fix->smem_start = phy_addr;
                                fix->mmio_start = phy_addr + offset;
                                fix->smem_len = len;
-                               /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
-
+                               /*info->screen_base =
+                                *      ion_map_kernel(rk_fb->ion_client, hdl);
+                                */
                                ion_hanle[0] = hdl;
                                for (tmp = ION_MAX - 1; tmp > 0; tmp--)
                                        ion_hanle[tmp] = ion_hanle[tmp - 1];
                                ion_hanle[0] = 0;
                        }
-                       #endif
                        break;
                }
        case RK_FBIOSET_ENABLE:
                if (copy_from_user(&enable, argp, sizeof(enable)))
                        return -EFAULT;
-                               if (enable)
+                               if (enable && fb_par->state)
                                        fb_par->state++;
                                else
                                        fb_par->state--;
@@ -2581,8 +2939,10 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        struct ion_handle *hdl;
                        ion_phys_addr_t phy_addr;
                        size_t len;
+
                        if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
                                return -EFAULT;
+
                        hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
                        ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
                        fix->smem_start = phy_addr;
@@ -2620,14 +2980,20 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        getnstimeofday(&now);
                        curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
                        cfgdone_distlist[cfgdone_index++] =
-                           curr - cfgdone_lasttime;
-                       /*
-                          printk("%d ", curr - cfgdone_lasttime);
-                        */
+                               curr - cfgdone_lasttime;
                        cfgdone_lasttime = curr;
                        if (cfgdone_index >= 10)
                                cfgdone_index = 0;
                }
+               if (is_car_camcap()) {
+                       int i = 0;
+
+                       for (i = 0; i < RK_MAX_BUF_NUM; i++)
+                               win_data.rel_fence_fd[i] = -1;
+
+                       win_data.ret_fence_fd = -1;
+                       goto cam_exit;
+               }
                if (copy_from_user(&win_data,
                                   (struct rk_fb_win_cfg_data __user *)argp,
                                   sizeof(win_data))) {
@@ -2636,21 +3002,26 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                };
 
                dev_drv->wait_fs = win_data.wait_fs;
-               rk_fb_set_win_config(info, &win_data);
+               ret = rk_fb_set_win_config(info, &win_data);
 
+cam_exit:
                if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
                                 &win_data, sizeof(win_data))) {
                        ret = -EFAULT;
                        break;
                }
                memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
+
+               if (dev_drv->uboot_logo)
+                       dev_drv->uboot_logo = 0;
+
                break;
        default:
                dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
                break;
        }
 
-       return 0;
+       return ret;
 }
 
 static int rk_fb_blank(int blank_mode, struct fb_info *info)
@@ -2663,6 +3034,8 @@ static int rk_fb_blank(int blank_mode, struct fb_info *info)
        struct rk_fb *rk_fb = dev_get_drvdata(info->device);
 #endif
 
+       if (is_car_camcap())
+               return 0;
        win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
        if (win_id < 0)
                return -ENODEV;
@@ -2670,7 +3043,7 @@ static int rk_fb_blank(int blank_mode, struct fb_info *info)
 #if defined(CONFIG_RK_HDMI)
        if ((rk_fb->disp_mode == ONE_DUAL) &&
            (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
-               printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
+               pr_info("hdmi is connect , not blank lcdc\n");
        } else
 #endif
        {
@@ -2737,7 +3110,7 @@ static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
        if (win->area[0].format == RGB565) {
                total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
        } else if ((win->area[0].format == YUV420) ||
-                  (win->area[0].format == YUV420_NV21)) {
+                  (win->area[0].format == YUV420_NV21)) {
                total_size =
                    (win->area[0].y_vir_stride * win->area[0].yact * 6);
        } else {
@@ -2855,29 +3228,26 @@ static int rk_fb_set_par(struct fb_info *info)
        struct fb_fix_screeninfo *fix = &info->fix;
        struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
        struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
-       struct rk_fb *rk_fb = dev_get_drvdata(info->device);
        struct rk_lcdc_win *win = NULL;
        struct rk_screen *screen = dev_drv->cur_screen;
        int win_id = 0;
-       u32 cblen = 0, crlen = 0;
        u16 xsize = 0, ysize = 0;       /* winx display window height/width --->LCDC_WINx_DSP_INFO */
        u32 xoffset = var->xoffset;     /* offset from virtual to visible */
        u32 yoffset = var->yoffset;
        u16 xpos = (var->nonstd >> 8) & 0xfff;  /*visiable pos in panel */
        u16 ypos = (var->nonstd >> 20) & 0xfff;
        u32 xvir = var->xres_virtual;
-       u32 yvir = var->yres_virtual;
        u8 data_format = var->nonstd & 0xff;
        u8 fb_data_fmt;
-       u8 pixel_width;
+       u8 pixel_width = 0;
        u32 vir_width_bit;
-       u32 stride, uv_stride;
+       u32 stride, uv_stride = 0;
        u32 stride_32bit_1;
        u32 stride_32bit_2;
        u16 uv_x_off, uv_y_off, uv_y_act;
        u8 is_pic_yuv = 0;
        /*var->pixclock = dev_drv->pixclock;*/
-       if (dev_drv->suspend_flag)
+       if (dev_drv->suspend_flag || is_car_camcap())
                return 0;
        win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
        if (win_id < 0)
@@ -2885,7 +3255,7 @@ static int rk_fb_set_par(struct fb_info *info)
        else
                win = dev_drv->win[win_id];
 
-       /* if the application has specific the horizontal and vertical display size */
+       /* if the application has specific the hor and ver display size */
        if (var->grayscale >> 8) {
                xsize = (var->grayscale >> 8) & 0xfff;
                ysize = (var->grayscale >> 20) & 0xfff;
@@ -2898,8 +3268,10 @@ static int rk_fb_set_par(struct fb_info *info)
                ysize = screen->mode.yres;
        }
 
+       win->colorspace = CSC_FORMAT(data_format);
+       data_format &= ~CSC_MASK;
        fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
-       if (fb_data_fmt >= FBDC_RGB_565) {
+       if (IS_FBDC_FMT(fb_data_fmt)) {
                win->area[0].fbdc_en = 1;
                win->area[0].fbdc_cor_en = 1;
        } else {
@@ -2917,11 +3289,10 @@ static int rk_fb_set_par(struct fb_info *info)
        case YUV422_A:
                is_pic_yuv = 1;
                stride = stride_32bit_1;
-               uv_stride = stride_32bit_1 >> 1;
-               uv_x_off = xoffset >> 1;
+               uv_stride = stride_32bit_1;
+               uv_x_off = xoffset;
                uv_y_off = yoffset;
                fix->line_length = stride;
-               cblen = crlen = (xvir * yvir) >> 1;
                uv_y_act = win->area[0].yact >> 1;
                break;
        case YUV420:            /* nv12 */
@@ -2933,7 +3304,6 @@ static int rk_fb_set_par(struct fb_info *info)
                uv_x_off = xoffset;
                uv_y_off = yoffset >> 1;
                fix->line_length = stride;
-               cblen = crlen = (xvir * yvir) >> 2;
                uv_y_act = win->area[0].yact >> 1;
                break;
        case YUV444:
@@ -2944,7 +3314,6 @@ static int rk_fb_set_par(struct fb_info *info)
                uv_x_off = xoffset * 2;
                uv_y_off = yoffset;
                fix->line_length = stride << 2;
-               cblen = crlen = (xvir * yvir);
                uv_y_act = win->area[0].yact;
                break;
        default:
@@ -2966,6 +3335,9 @@ static int rk_fb_set_par(struct fb_info *info)
        win->area[0].yvir = var->yres_virtual;
        win->area[0].xoff = xoffset;
        win->area[0].yoff = yoffset;
+       win->ymirror = 0;
+       win->state = 1;
+       win->last_state = 1;
 
        win->area_num = 1;
        win->alpha_mode = 4;    /* AB_SRC_OVER; */
@@ -2975,12 +3347,6 @@ static int rk_fb_set_par(struct fb_info *info)
                         (win->area[0].format == ABGR888)) ? 1 : 0;
        win->g_alpha_val = 0;
 
-       if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
-           (win->area[0].format == YUV420 ||
-            win->area[0].format == YUV420_NV21 ||
-            win->area[0].format == YUV420_A))
-                win->state = 1;
-
        dev_drv->ops->set_par(dev_drv, win_id);
 
        return 0;
@@ -3005,6 +3371,7 @@ static int fb_setcolreg(unsigned regno,
                /* true-colour, use pseudo-palette */
                if (regno < 16) {
                        u32 *pal = info->pseudo_palette;
+
                        val = chan_to_field(red, &info->var.red);
                        val |= chan_to_field(green, &info->var.green);
                        val |= chan_to_field(blue, &info->var.blue);
@@ -3032,7 +3399,7 @@ static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
        }
        dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
        if (IS_ERR_OR_NULL(dma_buf)) {
-               printk("get ion share dma buf failed\n");
+               pr_info("get ion share dma buf failed\n");
                return -ENOMEM;
        }
 
@@ -3094,7 +3461,7 @@ static int rk_fb_wait_for_vsync_thread(void *data)
 {
        struct rk_lcdc_driver *dev_drv = data;
        struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
-       struct fb_info *fbi = rk_fb->fb[0];
+       struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
 
        while (!kthread_should_stop()) {
                ktime_t timestamp = dev_drv->vsync_info.timestamp;
@@ -3115,6 +3482,7 @@ static ssize_t rk_fb_vsync_show(struct device *dev,
        struct fb_info *fbi = dev_get_drvdata(dev);
        struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
        struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
+
        return scnprintf(buf, PAGE_SIZE, "%llu\n",
                         ktime_to_ns(dev_drv->vsync_info.timestamp));
 }
@@ -3144,8 +3512,8 @@ EXPORT_SYMBOL(rk_direct_fb_show);
 int rk_fb_dpi_open(bool open)
 {
        struct rk_lcdc_driver *dev_drv = NULL;
-       dev_drv = rk_get_prmry_lcdc_drv();
 
+       dev_drv = rk_get_prmry_lcdc_drv();
        if (dev_drv->ops->dpi_open)
                dev_drv->ops->dpi_open(dev_drv, open);
        return 0;
@@ -3154,8 +3522,8 @@ int rk_fb_dpi_open(bool open)
 int rk_fb_dpi_win_sel(int win_id)
 {
        struct rk_lcdc_driver *dev_drv = NULL;
-       dev_drv = rk_get_prmry_lcdc_drv();
 
+       dev_drv = rk_get_prmry_lcdc_drv();
        if (dev_drv->ops->dpi_win_sel)
                dev_drv->ops->dpi_win_sel(dev_drv, win_id);
        return 0;
@@ -3185,31 +3553,35 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
        struct fb_info *info = NULL;
        struct rk_fb_par *fb_par = NULL;
        struct rk_lcdc_driver *dev_drv = NULL;
+       struct rk_lcdc_win *win;
        char name[6] = {0};
-       int i, win_id, load_screen = 0;
-       char *envp[3];
+       int i, win_id;
+       static bool load_screen;
+       char *envp[4];
+       char envplcdc[32];
+       char envpfbdev[32];
+       int ret, list_is_empty = 0;
 
        if (unlikely(!rk_fb) || unlikely(!screen))
                return -ENODEV;
 
        /* get lcdc driver */
        sprintf(name, "lcdc%d", lcdc_id);
-       if (rk_fb->disp_mode != DUAL)
-               dev_drv = rk_fb->lcdc_dev_drv[0];
-       else
-               dev_drv = rk_get_lcdc_drv(name);
+       dev_drv = rk_get_lcdc_drv(name);
 
        if (dev_drv == NULL) {
-               printk(KERN_ERR "%s driver not found!", name);
+               pr_err("%s driver not found!", name);
                return -ENODEV;
        }
        if (screen->type == SCREEN_HDMI)
-               printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
-                               dev_drv->id);
-        else if (screen->type == SCREEN_TVOUT ||
-                    screen->type == SCREEN_TVOUT_TEST )
-               printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
-                               dev_drv->id);
+               pr_info("hdmi %s lcdc%d\n",
+                       enable ? "connect to" : "remove from",
+                       dev_drv->id);
+       else if (screen->type == SCREEN_TVOUT ||
+                screen->type == SCREEN_TVOUT_TEST)
+               pr_info("cvbs %s lcdc%d\n",
+                       enable ? "connect to" : "remove from",
+                       dev_drv->id);
        if (enable == 2 /*&& dev_drv->enable*/)
                return 0;
        pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
@@ -3218,48 +3590,57 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
        mutex_lock(&dev_drv->switch_screen);
        hdmi_switch_state = 0;
        dev_drv->hdmi_switch = 1;
-       if (!dev_drv->uboot_logo)
+       if (!dev_drv->uboot_logo) {
                mdelay(200);
-
-       envp[0] = "switch screen";
-       envp[1] = kmalloc(32, GFP_KERNEL);
-       if (envp[1] == NULL) {
-               pr_err("switch screen kmalloc envp[1] fail\n");
-               mutex_unlock(&dev_drv->switch_screen);
-               return 0;
+               list_is_empty = list_empty(&dev_drv->update_regs_list) &&
+                                          list_empty(&dev_drv->saved_list);
+               if (!list_is_empty) {
+                       ret = wait_event_timeout(dev_drv->update_regs_wait,
+                                                list_empty(&dev_drv->update_regs_list) &&
+                                                list_empty(&dev_drv->saved_list),
+                                                msecs_to_jiffies(60));
+                       if (ret <= 0)
+                               pr_info("%s: wait update_regs_wait timeout\n",
+                                       __func__);
+               }
        }
-       sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
-       envp[2] = NULL;
+
+       envp[0] = "switch vop screen";
+       memset(envplcdc, 0, sizeof(envplcdc));
+       memset(envpfbdev, 0, sizeof(envpfbdev));
+       sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
+       sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
+       envp[1] = envplcdc;
+       envp[2] = envpfbdev;
+       envp[3] = NULL;
 
        if ((rk_fb->disp_mode == ONE_DUAL) ||
            (rk_fb->disp_mode == NO_DUAL)) {
                if ((dev_drv->ops->backlight_close) &&
-                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
-                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
+                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
                        dev_drv->ops->backlight_close(dev_drv, 1);
-               if (dev_drv->ops->dsp_black)
-                       dev_drv->ops->dsp_black(dev_drv, 1);
+               if (!dev_drv->uboot_logo || load_screen ||
+                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
+                       if (dev_drv->ops->dsp_black)
+                               dev_drv->ops->dsp_black(dev_drv, 0);
+               }
                if ((dev_drv->ops->set_screen_scaler) &&
                    (rk_fb->disp_mode == ONE_DUAL))
                        dev_drv->ops->set_screen_scaler(dev_drv,
                                                        dev_drv->screen0, 0);
        }
-       if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
-               dev_drv->uboot_logo = 0;
        if (!enable) {
                /* if screen type is different, we do not disable lcdc. */
                if (dev_drv->cur_screen->type != screen->type) {
                        dev_drv->hdmi_switch = 0;
                        mutex_unlock(&dev_drv->switch_screen);
-                       kfree(envp[1]);
                        return 0;
                }
 
                /* if used one lcdc to dual disp, no need to close win */
                if ((rk_fb->disp_mode == ONE_DUAL) ||
                    ((rk_fb->disp_mode == NO_DUAL) &&
-                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
-                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
+                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
                        dev_drv->cur_screen = dev_drv->screen0;
                        dev_drv->ops->load_screen(dev_drv, 1);
                        /* force modify dsp size */
@@ -3269,35 +3650,61 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                                (dev_drv->cur_screen->mode.xres << 8) +
                                (dev_drv->cur_screen->mode.yres << 20);
                        mutex_lock(&dev_drv->win_config);
+                       info->var.xoffset = 0;
                        info->var.yoffset = 0;
                        info->fbops->fb_set_par(info);
                        info->fbops->fb_pan_display(&info->var, info);
                        mutex_unlock(&dev_drv->win_config);
 
+                       /*
+                        * if currently is loader display, black until new
+                        * display job.
+                        */
+                       if (dev_drv->uboot_logo) {
+                               for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+                                       if (dev_drv->win[i] && dev_drv->win[i]->state &&
+                                           dev_drv->ops->win_direct_en)
+                                               dev_drv->ops->win_direct_en(dev_drv, i, 0);
+                               }
+                       }
+
                        /*if (dev_drv->ops->dsp_black)
-                               dev_drv->ops->dsp_black(dev_drv, 0);*/
+                        *      dev_drv->ops->dsp_black(dev_drv, 0);
+                        */
                        if ((dev_drv->ops->backlight_close) &&
-                           (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
-                           (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
+                           (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
                                dev_drv->ops->backlight_close(dev_drv, 0);
                } else if (rk_fb->num_lcdc > 1) {
                        /* If there is more than one lcdc device, we disable
-                          the layer which attached to this device */
-                       dev_drv->suspend_flag = 1;
+                        *  the layer which attached to this device
+                        */
                        flush_kthread_worker(&dev_drv->update_regs_worker);
                        for (i = 0; i < dev_drv->lcdc_win_num; i++) {
                                if (dev_drv->win[i] && dev_drv->win[i]->state)
                                        dev_drv->ops->open(dev_drv, i, 0);
                        }
                }
-                kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
-                kfree(envp[1]);
+               kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
 
                hdmi_switch_state = 0;
                dev_drv->hdmi_switch = 0;
                mutex_unlock(&dev_drv->switch_screen);
                return 0;
        } else {
+               if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
+                       for (i = 0; i < dev_drv->lcdc_win_num; i++) {
+                               if (dev_drv->win[i] && dev_drv->win[i]->state &&
+                                       dev_drv->ops->win_direct_en)
+                                       dev_drv->ops->win_direct_en(dev_drv, i, 0);
+                       }
+               }
+               if (dev_drv->uboot_logo) {
+                       if (dev_drv->cur_screen->mode.xres !=
+                               screen->mode.xres ||
+                           dev_drv->cur_screen->mode.yres !=
+                               screen->mode.yres)
+                               load_screen = 1;
+               }
                if (dev_drv->screen1)
                        dev_drv->cur_screen = dev_drv->screen1;
 
@@ -3307,56 +3714,59 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
                dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
        }
-       if ((!dev_drv->uboot_logo) ||
-           ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
-           (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
-               for (i = 0; i < dev_drv->lcdc_win_num; i++) {
-                       info = rk_fb->fb[dev_drv->fb_index_base + i];
-                       fb_par = (struct rk_fb_par *)info->par;
-                       win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
-                       if (dev_drv->win[win_id]) {
-                               if (fb_par->state) {
-                                       if (!dev_drv->win[win_id]->state) {
-                                               dev_drv->ops->open(dev_drv, win_id, 1);
-                                               dev_drv->suspend_flag = 0;
-                                       }
-                                       if (!load_screen) {
-                                               dev_drv->ops->load_screen(dev_drv, 1);
-                                               load_screen = 1;
-                                       }
-                                       info->var.activate |= FB_ACTIVATE_FORCE;
-                                       if (rk_fb->disp_mode == ONE_DUAL) {
-                                               info->var.grayscale &= 0xff;
-                                               info->var.grayscale |=
-                                                       (dev_drv->cur_screen->xsize << 8) +
-                                                       (dev_drv->cur_screen->ysize << 20);
-                                       }
 
-                                       mutex_lock(&dev_drv->win_config);
-                                       info->var.yoffset = 0;
-                                       info->fbops->fb_set_par(info);
-                                       info->fbops->fb_pan_display(&info->var, info);
-                                       mutex_unlock(&dev_drv->win_config);
+       if (!dev_drv->uboot_logo || load_screen ||
+           (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
+               info = rk_fb->fb[dev_drv->fb_index_base];
+               fb_par = (struct rk_fb_par *)info->par;
+               win_id = 0;
+               win = dev_drv->win[win_id];
+               if (win && fb_par->state) {
+                       dev_drv->ops->load_screen(dev_drv, 1);
+                       info->var.activate |= FB_ACTIVATE_FORCE;
+                       if (rk_fb->disp_mode == ONE_DUAL) {
+                               info->var.grayscale &= 0xff;
+                               info->var.grayscale |=
+                                       (dev_drv->cur_screen->xsize << 8) +
+                                       (dev_drv->cur_screen->ysize << 20);
+                       }
+                       if (dev_drv->uboot_logo && win->state) {
+                               if (win->area[0].xpos ||
+                                   win->area[0].ypos) {
+                                       win->area[0].xpos =
+                                               (screen->mode.xres -
+                                                win->area[0].xsize) / 2;
+                                       win->area[0].ypos =
+                                               (screen->mode.yres -
+                                                win->area[0].ysize) / 2;
+                               } else {
+                                       win->area[0].xsize = screen->mode.xres;
+                                       win->area[0].ysize = screen->mode.yres;
                                }
+                               dev_drv->ops->set_par(dev_drv, i);
+                               dev_drv->ops->cfg_done(dev_drv);
+                       } else if (!dev_drv->win[win_id]->state) {
+                               dev_drv->ops->open(dev_drv, win_id, 1);
+                               info->fbops->fb_pan_display(&info->var, info);
                        }
                }
-       }else {
-               dev_drv->uboot_logo = 0;
+       } else {
+               dev_drv->ops->load_screen(dev_drv, 0);
        }
-        kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
-        kfree(envp[1]);
+       kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
 
        hdmi_switch_state = 1;
+       load_screen = true;
        dev_drv->hdmi_switch = 0;
        if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
                if ((dev_drv->ops->set_screen_scaler) &&
                    (rk_fb->disp_mode == ONE_DUAL))
-                       dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
+                       dev_drv->ops->set_screen_scaler(dev_drv,
+                                                       dev_drv->screen0, 1);
                /*if (dev_drv->ops->dsp_black)
-                       dev_drv->ops->dsp_black(dev_drv, 0);*/
+                *      dev_drv->ops->dsp_black(dev_drv, 0);*/
                if ((dev_drv->ops->backlight_close) &&
                    (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
-                   (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
                    (rk_fb->disp_mode == ONE_DUAL))
                        dev_drv->ops->backlight_close(dev_drv, 0);
        }
@@ -3382,19 +3792,20 @@ int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
        u16 xpos, ypos;
        char name[6];
        struct rk_screen primary_screen;
+
        rk_fb_get_prmry_screen(&primary_screen);
-       if (primary_screen.type == SCREEN_HDMI) {
+       if (primary_screen.type == SCREEN_HDMI)
                return 0;
-       }
-       pr_err("fuck not be hear--%s\n",__func__);
+
+       pr_err("should not be here--%s\n", __func__);
 
        return 0;
        sprintf(name, "lcdc%d", lcdc_id);
 
        if (inf->disp_mode == DUAL) {
                dev_drv = rk_get_lcdc_drv(name);
-               if (dev_drv == NULL) {
-                       printk(KERN_ERR "%s driver not found!", name);
+               if (!dev_drv) {
+                       pr_err("%s driver not found!", name);
                        return -ENODEV;
                }
        } else {
@@ -3456,11 +3867,12 @@ static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
        int ret = 0;
 
        if (dev_drv->iommu_enabled)
-               handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
-                                  ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
+               handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
+                                  ION_HEAP_SYSTEM_MASK, 0);
        else
-               handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
-                                  ION_HEAP(ION_CMA_HEAP_ID), 0);
+               handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
+                                  ION_HEAP_TYPE_DMA_MASK, 0);
+
        if (IS_ERR(handle)) {
                dev_err(fbi->device, "failed to ion_alloc:%ld\n",
                        PTR_ERR(handle));
@@ -3470,29 +3882,25 @@ static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
        fb_par->ion_hdl = handle;
        win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
        if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
-               printk("ion_share_dma_buf() failed\n");
+               pr_info("ion_share_dma_buf() failed\n");
                goto err_share_dma_buf;
        }
        win->area[0].ion_hdl = handle;
-        if (dev_drv->prop == PRMRY)
-               fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
-#ifdef CONFIG_ROCKCHIP_IOMMU
+       if (dev_drv->prop == PRMRY)
+               fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
        if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
                ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
-                                       (unsigned long *)&phy_addr,
-                                       (unsigned long *)&len);
+                                   (unsigned long *)&phy_addr,
+                                   (unsigned long *)&len);
        else
                ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
-#else
-       ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
-#endif
        if (ret < 0) {
                dev_err(fbi->dev, "ion map to get phy addr failed\n");
                goto err_share_dma_buf;
        }
        fbi->fix.smem_start = phy_addr;
        fbi->fix.smem_len = len;
-       printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
+       pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
        return 0;
 
 err_share_dma_buf:
@@ -3514,6 +3922,8 @@ static int rk_fb_alloc_buffer(struct fb_info *fbi)
        dma_addr_t fb_mem_phys;
        void *fb_mem_virt;
 #endif
+       ion_phys_addr_t phy_addr;
+       size_t len;
 
        win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
        if (win_id < 0)
@@ -3540,9 +3950,63 @@ static int rk_fb_alloc_buffer(struct fb_info *fbi)
 #endif
                memset(fbi->screen_base, 0, fbi->fix.smem_len);
        } else {
-               fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
-               fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
-               fbi->screen_base = rk_fb->fb[0]->screen_base;
+               if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
+                       struct rk_lcdc_driver *dev_drv_prmry;
+                       int win_id_prmry;
+
+                       fb_mem_size = get_fb_size(dev_drv->reserved_fb);
+#if defined(CONFIG_ION_ROCKCHIP)
+                       dev_drv_prmry = rk_get_prmry_lcdc_drv();
+                       if (dev_drv_prmry == NULL)
+                               return -ENODEV;
+                       win_id_prmry =
+                               dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
+                                                                fbi->fix.id);
+                       if (win_id_prmry < 0)
+                               return -ENODEV;
+                       else
+                               fb_par->ion_hdl =
+                               dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
+                               fbi->screen_base =
+                                       ion_map_kernel(rk_fb->ion_client,
+                                                      fb_par->ion_hdl);
+                               dev_drv->win[win_id]->area[0].ion_hdl =
+                                       fb_par->ion_hdl;
+                               if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
+                                       ret = ion_map_iommu(dev_drv->dev,
+                                                           rk_fb->ion_client,
+                                                           fb_par->ion_hdl,
+                                                           (unsigned long *)&phy_addr,
+                                                           (unsigned long *)&len);
+                               else
+                                       ret = ion_phys(rk_fb->ion_client,
+                                                      fb_par->ion_hdl,
+                                                      &phy_addr, &len);
+                               if (ret < 0) {
+                                       dev_err(fbi->dev, "ion map to get phy addr failed\n");
+                                       return -ENOMEM;
+                               }
+                               fbi->fix.smem_start = phy_addr;
+                               fbi->fix.smem_len = len;
+#else
+                       fb_mem_virt = dma_alloc_writecombine(fbi->dev,
+                                                            fb_mem_size,
+                                                            &fb_mem_phys,
+                                                            GFP_KERNEL);
+                       if (!fb_mem_virt) {
+                               pr_err("%s: Failed to allocate framebuffer\n",
+                                      __func__);
+                               return -ENOMEM;
+                       }
+                       fbi->fix.smem_len = fb_mem_size;
+                       fbi->fix.smem_start = fb_mem_phys;
+                       fbi->screen_base = fb_mem_virt;
+#endif
+               } else {
+                       fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
+                       fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
+                       fbi->screen_base = rk_fb->fb[0]->screen_base;
+               }
        }
 
        fbi->screen_size = fbi->fix.smem_len;
@@ -3551,8 +4015,8 @@ static int rk_fb_alloc_buffer(struct fb_info *fbi)
        fb_par->fb_size = fbi->fix.smem_len;
 
        pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
-                      fbi->fix.smem_start, fbi->screen_base,
-                      fbi->fix.smem_len);
+               fbi->fix.smem_start, fbi->screen_base,
+               fbi->fix.smem_len);
        return ret;
 }
 
@@ -3576,6 +4040,7 @@ static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
 
        for (i = 0; i < lcdc_win_num; i++) {
                struct rk_lcdc_win *win = NULL;
+
                win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
                if (!win) {
                        dev_err(dev_drv->dev, "kzmalloc for win fail!");
@@ -3585,6 +4050,9 @@ static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
                strcpy(win->name, def_win[i].name);
                win->id = def_win[i].id;
                win->support_3d = def_win[i].support_3d;
+               win->property.feature = def_win[i].property.feature;
+               win->property.max_input_x = def_win[i].property.max_input_x;
+               win->property.max_input_y = def_win[i].property.max_input_y;
                dev_drv->win[i] = win;
        }
 
@@ -3598,6 +4066,7 @@ static int init_lcdc_device_driver(struct rk_fb *rk_fb,
        struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
                                                sizeof(struct rk_screen),
                                                GFP_KERNEL);
+       int i = 0;
 
        if (!screen) {
                dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
@@ -3646,6 +4115,10 @@ static int init_lcdc_device_driver(struct rk_fb *rk_fb,
        dev_drv->overscan.top = 100;
        dev_drv->overscan.right = 100;
        dev_drv->overscan.bottom = 100;
+       for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
+               dev_drv->area_support[i] = 1;
+       if (dev_drv->ops->area_support_num)
+               dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
        rk_disp_pwr_ctr_parse_dt(dev_drv);
        if (dev_drv->prop == PRMRY) {
                rk_fb_set_prmry_screen(screen);
@@ -3653,7 +4126,7 @@ static int init_lcdc_device_driver(struct rk_fb *rk_fb,
        }
        dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
        if (dev_drv->prop != PRMRY)
-               rk_fb_get_prmry_screen(screen);
+               rk_fb_get_extern_screen(screen);
        dev_drv->output_color = screen->color_mode;
 
        return 0;
@@ -3665,7 +4138,7 @@ static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
 {
        bmp_logo = fb_find_logo(24);
        if (bmp_logo == NULL) {
-               printk(KERN_INFO "%s error\n", __func__);
+               pr_info("%s error\n", __func__);
                return 0;
        }
        return 1;
@@ -3676,17 +4149,17 @@ static void fb_show_bmp_logo(struct fb_info *info, int rotate)
        unsigned char *src = bmp_logo->data;
        unsigned char *dst = info->screen_base;
        int i;
-       unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
-       unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
+       unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
+       unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
 
-       for (i = 0; i < Needheight; i++)
+       for (i = 0; i < needheight; i++)
                memcpy(dst + info->var.xres * i * 4,
-                      src + bmp_logo->width * i * 4, Needwidth * 4);
+                      src + bmp_logo->width * i * 4, needwidth * 4);
 }
 #endif
 
 /*
- * check if the primary lcdc has registerd,
+ * check if the primary lcdc has registered,
  * the primary lcdc mas register first
  */
 bool is_prmry_rk_lcdc_registered(void)
@@ -3699,6 +4172,29 @@ bool is_prmry_rk_lcdc_registered(void)
                return false;
 }
 
+phys_addr_t uboot_logo_base;
+phys_addr_t uboot_logo_size;
+phys_addr_t uboot_logo_offset;
+
+static int __init rockchip_uboot_mem_late_init(void)
+{
+       int err;
+
+       if (uboot_logo_size) {
+               void *start = phys_to_virt(uboot_logo_base);
+               void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
+
+               err = memblock_free(uboot_logo_base, uboot_logo_size);
+               if (err < 0)
+                       pr_err("%s: freeing memblock failed: %d\n",
+                              __func__, err);
+               free_reserved_area(start, end, -1, "logo");
+       }
+       return 0;
+}
+
+late_initcall(rockchip_uboot_mem_late_init);
+
 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                   struct rk_lcdc_win *win, int id)
 {
@@ -3706,6 +4202,8 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
        struct fb_info *fbi;
        struct rk_fb_par *fb_par = NULL;
        int i = 0, ret = 0, index = 0;
+       unsigned long flags;
+       char time_line_name[16];
 
        if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
                return -ENXIO;
@@ -3742,6 +4240,8 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                fbi->fix = def_fix;
                sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
                fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
+               fbi->var.width = dev_drv->cur_screen->width;
+               fbi->var.height = dev_drv->cur_screen->height;
                fbi->var.grayscale |=
                    (fbi->var.xres << 8) + (fbi->var.yres << 20);
 #if defined(CONFIG_LOGO_LINUX_BMP)
@@ -3791,6 +4291,7 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                        mutex_init(&dev_drv->output_lock);
 
                        INIT_LIST_HEAD(&dev_drv->update_regs_list);
+                       INIT_LIST_HEAD(&dev_drv->saved_list);
                        mutex_init(&dev_drv->update_regs_list_lock);
                        init_kthread_worker(&dev_drv->update_regs_worker);
 
@@ -3799,16 +4300,18 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                                        &dev_drv->update_regs_worker, "rk-fb");
                        if (IS_ERR(dev_drv->update_regs_thread)) {
                                int err = PTR_ERR(dev_drv->update_regs_thread);
-                               dev_drv->update_regs_thread = NULL;
 
-                               printk("failed to run update_regs thread\n");
+                               dev_drv->update_regs_thread = NULL;
+                               pr_info("failed to run update_regs thread\n");
                                return err;
                        }
                        init_kthread_work(&dev_drv->update_regs_work,
                                          rk_fb_update_regs_handler);
 
+                       snprintf(time_line_name, sizeof(time_line_name),
+                                "vop%d-timeline", id);
                        dev_drv->timeline =
-                           sw_sync_timeline_create("fb-timeline");
+                           sw_sync_timeline_create(time_line_name);
                        dev_drv->timeline_max = 1;
                }
        }
@@ -3820,32 +4323,32 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                int format;
                u32 dsp_addr;
                struct fb_info *main_fbi = rk_fb->fb[0];
+
                main_fbi->fbops->fb_open(main_fbi, 1);
                main_fbi->var.pixclock = dev_drv->pixclock;
-#if defined(CONFIG_ROCKCHIP_IOMMU)
                if (dev_drv->iommu_enabled) {
                        if (dev_drv->mmu_dev)
                                rockchip_iovmm_set_fault_handler(dev_drv->dev,
                                                rk_fb_sysmmu_fault_handler);
                }
-#endif
 
                rk_fb_alloc_buffer(main_fbi);   /* only alloc memory for main fb */
                dev_drv->uboot_logo = support_uboot_display();
 
                if (dev_drv->uboot_logo &&
                    uboot_logo_offset && uboot_logo_base) {
-                       int width, height, bits;
+                       int width, height, bits, xvir;
                        phys_addr_t start = uboot_logo_base + uboot_logo_offset;
                        unsigned int size = uboot_logo_size - uboot_logo_offset;
                        unsigned int nr_pages;
+                       int ymirror = 0;
                        struct page **pages;
                        char *vaddr;
                        int i = 0;
 
                        if (dev_drv->ops->get_dspbuf_info)
                                dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
-                                       &yact, &format, &dsp_addr);
+                                       &yact, &format, &dsp_addr, &ymirror);
                        nr_pages = size >> PAGE_SHIFT;
                        pages = kzalloc(sizeof(struct page) * nr_pages,
                                        GFP_KERNEL);
@@ -3854,8 +4357,7 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                                start += PAGE_SIZE;
                                i++;
                        }
-                       vaddr = vmap(pages, nr_pages, VM_MAP,
-                                       pgprot_writecombine(PAGE_KERNEL));
+                       vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
                        if (!vaddr) {
                                pr_err("failed to vmap phy addr 0x%lx\n",
                                       (long)(uboot_logo_base +
@@ -3863,8 +4365,8 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                                return -1;
                        }
 
-                       if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
-                                     &height, &bits)) {
+                       if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
+                                      &height, &bits)) {
                                kfree(pages);
                                vunmap(vaddr);
                                return 0;
@@ -3874,15 +4376,20 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                        if (dev_drv->uboot_logo &&
                            (width != xact || height != yact)) {
                                pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
-                                       xact, yact, width, height);
+                                      xact, yact, width, height);
                                return 0;
                        }
-
+                       xvir = ALIGN(width * bits, 1 << 5) >> 5;
+                       ymirror = 0;
+                       local_irq_save(flags);
+                       if (dev_drv->ops->wait_frame_start)
+                               dev_drv->ops->wait_frame_start(dev_drv, 0);
                        if (dev_drv->ops->post_dspbuf) {
                                dev_drv->ops->post_dspbuf(dev_drv,
                                        main_fbi->fix.smem_start,
                                        rk_fb_data_fmt(0, bits),
-                                       width, height, width * bits >> 5);
+                                       width, height, xvir,
+                                       ymirror);
                        }
                        if (dev_drv->iommu_enabled) {
                                rk_fb_poll_wait_frame_complete();
@@ -3890,27 +4397,33 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                                        dev_drv->ops->mmu_en(dev_drv);
                                freed_index = 0;
                        }
-
+                       local_irq_restore(flags);
                        return 0;
                } else if (dev_drv->uboot_logo && uboot_logo_base) {
                        u32 start = uboot_logo_base;
-                       u32 start_base = start;
-                       int logo_len, i=0;
+                       int logo_len, i = 0;
+                       int y_mirror = 0;
                        unsigned int nr_pages;
                        struct page **pages;
                        char *vaddr;
+                       int align = 0, xvir;
 
                        dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
-                                                     &yact, &format,
-                                                     &start);
+                                                     &yact, &format,
+                                                     &start,
+                                                     &y_mirror);
                        logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
                        if (logo_len > uboot_logo_size ||
                            logo_len > main_fbi->fix.smem_len) {
                                pr_err("logo size > uboot reserve buffer size\n");
                                return -1;
                        }
+                       if (y_mirror)
+                               start -= logo_len;
 
-                       nr_pages = uboot_logo_size >> PAGE_SHIFT;
+                       align = start % PAGE_SIZE;
+                       start -= align;
+                       nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
                        pages = kzalloc(sizeof(struct page) * nr_pages,
                                        GFP_KERNEL);
                        while (i < nr_pages) {
@@ -3918,29 +4431,35 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                                start += PAGE_SIZE;
                                i++;
                        }
-                       vaddr = vmap(pages, nr_pages, VM_MAP,
-                                       pgprot_writecombine(PAGE_KERNEL));
+                       vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
                        if (!vaddr) {
                                pr_err("failed to vmap phy addr 0x%x\n",
-                                      start_base);
+                                      start);
                                return -1;
                        }
 
-                       memcpy(main_fbi->screen_base, vaddr, logo_len);
+                       memcpy(main_fbi->screen_base, vaddr + align, logo_len);
 
                        kfree(pages);
                        vunmap(vaddr);
-
+                       xvir = ALIGN(xact * rk_fb_pixel_width(format),
+                                    1 << 5) >> 5;
+                       local_irq_save(flags);
+                       if (dev_drv->ops->wait_frame_start)
+                               dev_drv->ops->wait_frame_start(dev_drv, 0);
                        dev_drv->ops->post_dspbuf(dev_drv,
-                                       main_fbi->fix.smem_start,
+                                       main_fbi->fix.smem_start +
+                                       (y_mirror ? logo_len : 0),
                                        format, xact, yact,
-                                       xact * rk_fb_pixel_width(format) >> 5);
+                                       xvir,
+                                       y_mirror);
                        if (dev_drv->iommu_enabled) {
                                rk_fb_poll_wait_frame_complete();
                                if (dev_drv->ops->mmu_en)
                                        dev_drv->ops->mmu_en(dev_drv);
                                freed_index = 0;
                        }
+                       local_irq_restore(flags);
                        return 0;
                } else {
                        if (dev_drv->iommu_enabled) {
@@ -3965,9 +4484,18 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
 #endif
        } else {
-                struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
-                extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
-                rk_fb_alloc_buffer(extend_fbi);
+               struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
+
+               extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
+               if (rk_fb->disp_mode == DUAL_LCD) {
+                       extend_fbi->fbops->fb_open(extend_fbi, 1);
+                       if (dev_drv->iommu_enabled) {
+                               if (dev_drv->mmu_dev)
+                                       rockchip_iovmm_set_fault_handler(dev_drv->dev,
+                                                                        rk_fb_sysmmu_fault_handler);
+                       }
+                       rk_fb_alloc_buffer(extend_fbi);
+               }
        }
 #endif
        return 0;
@@ -4001,11 +4529,35 @@ int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
        return 0;
 }
 
+int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
+                                int status)
+{
+       char *envp[3] = {"Request", "FORCE UPDATE", NULL};
+
+       if (status) {
+               car_reversing = 1;
+               flush_kthread_worker(&dev_drv->update_regs_worker);
+               dev_drv->timeline_max++;
+#ifdef H_USE_FENCE
+               sw_sync_timeline_inc(dev_drv->timeline, 1);
+#endif
+               pr_debug("%s: camcap reverse start...\n", __func__);
+       } else {
+               car_reversing = 0;
+               kobject_uevent_env(&dev_drv->dev->kobj,
+                                  KOBJ_CHANGE, envp);
+               pr_debug("%s: camcap reverse finish...\n", __func__);
+       }
+
+       return 0;
+}
+
 static int rk_fb_probe(struct platform_device *pdev)
 {
        struct rk_fb *rk_fb = NULL;
        struct device_node *np = pdev->dev.of_node;
-       u32 mode;
+       u32 mode, ret;
+       struct device_node *node;
 
        if (!np) {
                dev_err(&pdev->dev, "Missing device tree node.\n");
@@ -4026,14 +4578,15 @@ static int rk_fb_probe(struct platform_device *pdev)
                dev_err(&pdev->dev, "no disp-mode node found!");
                return -ENODEV;
        }
-       
+
        if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
                rk_fb->disp_policy = mode;
-               pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
+               pr_info("fb disp policy is %s\n",
+                       rk_fb->disp_policy ? "box" : "sdk");
        }
 
        if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
-               printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
+               pr_info("uboot-logo-on:%d\n", uboot_logo_on);
 
        dev_set_name(&pdev->dev, "rockchip-fb");
 #if defined(CONFIG_ION_ROCKCHIP)
@@ -4046,6 +4599,27 @@ static int rk_fb_probe(struct platform_device *pdev)
        }
 #endif
 
+       node = of_parse_phandle(np, "memory-region", 0);
+       if (node) {
+               struct resource r;
+
+               ret = of_address_to_resource(node, 0, &r);
+               if (ret)
+                       return ret;
+
+               if (uboot_logo_on) {
+                       uboot_logo_base = r.start;
+                       uboot_logo_size = resource_size(&r);
+
+                       if (uboot_logo_size > SZ_16M)
+                               uboot_logo_offset = SZ_16M;
+                       else
+                               uboot_logo_offset = 0;
+               }
+               pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
+                       uboot_logo_base, uboot_logo_size, uboot_logo_offset);
+       }
+
        fb_pdev = pdev;
        dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
        return 0;
@@ -4053,9 +4627,6 @@ static int rk_fb_probe(struct platform_device *pdev)
 
 static int rk_fb_remove(struct platform_device *pdev)
 {
-       struct rk_fb *rk_fb = platform_get_drvdata(pdev);
-
-       kfree(rk_fb);
        platform_set_drvdata(pdev, NULL);
        return 0;
 }