drivers: video: rockchip: vcodec_dma_map_sg maybe fail
[firefly-linux-kernel-4.4.55.git] / drivers / video / rockchip / rk_fb.c
index 976089450d530779e697385b51209a2223f5802f..88a396c76b6c451b5cd15e8ec7e7e9e864476e61 100644 (file)
@@ -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"
 
@@ -64,7 +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
 
@@ -83,11 +85,17 @@ 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)) \
-               printk(KERN_INFO x);            \
+               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;
@@ -123,8 +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;
@@ -133,6 +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:
@@ -150,8 +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;
@@ -160,8 +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:
@@ -170,9 +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;
@@ -187,9 +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;
@@ -197,12 +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;
@@ -212,9 +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;
@@ -248,9 +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 {
@@ -265,9 +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;
                }
        }
@@ -299,6 +339,8 @@ int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
        for_each_child_of_node(root, child) {
                pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
                                  GFP_KERNEL);
+               if (!pwr_ctr)
+                       return -ENOMEM;
                strcpy(pwr_ctr->pwr_ctr.name, child->name);
                if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
                        if (val == GPIO) {
@@ -322,7 +364,7 @@ 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))
@@ -345,21 +387,20 @@ 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)
@@ -381,7 +422,8 @@ 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",
@@ -432,7 +474,8 @@ 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,
@@ -459,9 +502,12 @@ int rk_fb_video_mode_from_timing(const struct display_timing *dt,
        screen->mode.yres = dt->vactive.typ;
        screen->mode.vsync_len = dt->vsync_len.typ;
        screen->type = dt->screen_type;
+       screen->refresh_mode = dt->refresh_mode;
        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;
@@ -486,13 +532,13 @@ 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");
@@ -500,16 +546,17 @@ 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 +
@@ -539,9 +586,15 @@ 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");
@@ -580,13 +633,53 @@ 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);
+       if (dev_drv->ops->extern_func)
+               dev_drv->ops->extern_func(dev_drv, UPDATE_CABC_PWM);
+       mutex_unlock(&dev_drv->win_config);
+
+       return 0;
 }
 
 /*
@@ -599,10 +692,10 @@ 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)) {
@@ -662,7 +755,7 @@ 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))
@@ -670,14 +763,14 @@ 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);
@@ -699,7 +792,7 @@ 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))
@@ -708,12 +801,12 @@ 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);
@@ -747,15 +840,15 @@ 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();
                }
@@ -820,7 +913,6 @@ 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
@@ -828,35 +920,34 @@ 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
 
@@ -893,9 +984,9 @@ static int rk_fb_close(struct fb_info *info, int user)
                        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)
@@ -904,14 +995,19 @@ 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;
                }
@@ -926,14 +1022,18 @@ 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:
@@ -992,7 +1092,7 @@ 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;
@@ -1119,97 +1219,95 @@ 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_RK_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);
 }
 
 /*
@@ -1218,7 +1316,7 @@ 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;
@@ -1240,9 +1338,8 @@ 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)
@@ -1254,8 +1351,8 @@ 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);
@@ -1287,7 +1384,7 @@ 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)
@@ -1340,7 +1437,7 @@ 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 +
@@ -1361,7 +1458,7 @@ 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 +
@@ -1396,9 +1493,9 @@ 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;
@@ -1424,7 +1521,7 @@ 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)
@@ -1434,10 +1531,10 @@ 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;
@@ -1449,6 +1546,7 @@ 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,
@@ -1456,7 +1554,6 @@ static int rk_fb_copy_from_loader(struct fb_info *info)
        return 0;
 }
 #endif
-#ifdef CONFIG_RK_IOMMU
 static int g_last_addr[5][4];
 static int g_now_config_addr[5][4];
 static int g_last_state[5][4];
@@ -1476,6 +1573,7 @@ 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
@@ -1483,18 +1581,19 @@ 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;
@@ -1506,7 +1605,18 @@ 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)
@@ -1518,7 +1628,6 @@ 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_RK_IOMMU)
                if (dev_drv->iommu_enabled) {
                        if (area_data->ion_handle != NULL &&
                            !IS_YUV_FMT(area_data->data_format))
@@ -1526,31 +1635,29 @@ void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
                                                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;
@@ -1569,7 +1676,12 @@ 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;
@@ -1581,37 +1693,40 @@ 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;
+                               win->area[i].data_space =
+                                       reg_win_data->reg_area_data[i].data_space;
                                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) {
-                                       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) {
@@ -1631,7 +1746,7 @@ 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 =
@@ -1649,22 +1764,19 @@ 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_RK_IOMMU)
                                if (dev_drv->iommu_enabled) {
                                        g_now_config_addr[win->id][i] =
                                                win->area[i].smem_start +
                                                win->area[i].y_offset;
                                        g_now_config_state[win->id][i] = 1;
                                }
-#endif
                        } else {
                                win->area[i].state = 0;
-#if defined(CONFIG_RK_IOMMU)
+                               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;
                                }
-#endif
                        }
                }
        }
@@ -1675,6 +1787,7 @@ 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]);
@@ -1686,8 +1799,8 @@ 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)
 {
        int i, j, wait_for_vsync = false;
        unsigned int dsp_addr[5][4];
@@ -1697,28 +1810,39 @@ static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
                dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
 
        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)) {
+               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 (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) {
                                if (dev_drv->ops->get_win_state) {
                                        win_status =
                                        dev_drv->ops->get_win_state(dev_drv, i, j);
-                                       if (win_status)
+                                       if (win_status) {
                                                wait_for_vsync = true;
+                                               dev_info(dev_drv->dev,
+                                                        "win[%d]area[%d]: "
+                                                        "state: %d, "
+                                                        "cur state: %d,"
+                                                        "count: %d\n",
+                                                        i, j,
+                                                        dev_drv->win[i]->area[j].state,
+                                                        win_status,
+                                                        101 - count);
+                                       }
                                }
                        } else {
                                pr_err("!!!win[%d]state:%d,error!!!\n",
@@ -1741,8 +1865,8 @@ static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
        }
        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++) {
+               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",
@@ -1756,18 +1880,18 @@ static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
 
                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++) {
+               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++) {
+               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",
@@ -1776,8 +1900,8 @@ static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
                        }
                }
                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);
+                       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++) {
@@ -1802,60 +1926,78 @@ static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
        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) {
-                       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;
-                       for (j = 0; j < 4; j++)
+                       for (j = 0; j < 4; j++) {
                                win->area[j].state = 0;
-#if defined(CONFIG_RK_IOMMU)
+                               win->area[j].fbdc_en = 0;
+                       }
                        if (dev_drv->iommu_enabled) {
                                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);
 
-       if (rk_fb_iommu_debug > 0) {
-               pagefault = rk_fb_iommu_page_fault_dump(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 (pagefault == 0) {
-               dev_drv->ops->cfg_done(dev_drv);
-       } else {
-                sw_sync_timeline_inc(dev_drv->timeline, 1);
-       }
+       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;
                timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
                                ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
                                msecs_to_jiffies(50));
-
+               if (timeout <= 0)
+                       dev_info(dev_drv->dev, "timeout: %ld\n", timeout);
                wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
        } while (wait_for_vsync && count--);
 #ifdef H_USE_FENCE
@@ -1863,14 +2005,12 @@ static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
 #endif
 
        if (dev_drv->front_regs) {
-#if defined(CONFIG_RK_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);
 
@@ -1878,14 +2018,15 @@ 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_RK_IOMMU)
                if (dev_drv->iommu_enabled)
                        freed_addr[freed_index] = 0xfefefefe;
-#endif
        }
 
        mutex_lock(&dev_drv->front_lock);
@@ -1909,8 +2050,8 @@ 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))
@@ -1932,14 +2073,14 @@ 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;
@@ -1975,41 +2116,43 @@ static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
                                  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",
+                       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, "           data_space%d\n",
+                                 area_par->data_space);
                }
        }
 
        rk_fb_dbg(cmd, "regs data:\n");
        rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
-              regs->win_num, regs->buf_num);
+                 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);
+                         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);
+                                 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");
@@ -2017,28 +2160,85 @@ static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
        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)
+                              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]),
+               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]),
+               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,
+       memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
               sizeof(struct rk_fb_win_cfg_data));
-       memcpy(&(dev_drv->tmp_regs[0]), regs,
+       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)
@@ -2048,28 +2248,28 @@ 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;
@@ -2082,26 +2282,23 @@ 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);
+                                       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_RK_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);
@@ -2123,7 +2320,7 @@ 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;
@@ -2154,6 +2351,8 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                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;
+               reg_win_data->reg_area_data[i].data_space =
+                                       win_par->area_par[i].data_space;
                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;
@@ -2215,7 +2414,7 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                 * reg_win_data->reg_area_data[i].y_offset =
                 *              yoffset*stride+xoffset*pixel_width/8;
                 */
-               if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
+               if (screen->y_mirror || reg_win_data->mirror_en) {
                        if (screen->interlace == 1) {
                                reg_win_data->reg_area_data[i].y_offset =
                                    yoffset * stride * 2 +
@@ -2239,21 +2438,22 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                        }
                }
                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);
+                       buff_len = yoffset * stride +
+                               xoffset * pixel_width / 8 +
+                               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);
                }
        }
 
@@ -2325,15 +2525,15 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                        }
                }
                buff_len = reg_win_data->reg_area_data[0].cbr_start +
-                       reg_win_data->reg_area_data[0].c_offset +
+                       uv_y_off * uv_stride + uv_x_off * pixel_width / 8 +
                        reg_win_data->reg_area_data[0].xvir *
                        reg_win_data->reg_area_data[0].yact *
                        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",
@@ -2344,12 +2544,14 @@ 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);
-        * delete by hjc for new hdmi overscan framework
+       /* 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;
 }
 
@@ -2368,47 +2570,47 @@ 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) ||
-                            (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);
-                }
-        }
+       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__);
+                               pr_info("error:%s[%d]\n", __func__, __LINE__);
                                goto err2;
                        }
                        if (regs->reg_win_data[j].area_num > 0) {
@@ -2418,12 +2620,14 @@ 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;
 
@@ -2441,8 +2645,8 @@ static int rk_fb_set_win_config(struct fb_info *info,
                        sprintf(fence_name, "fence%d", i);
                        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;
                        }
@@ -2486,7 +2690,7 @@ 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);
                }
@@ -2504,6 +2708,7 @@ 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);
 
@@ -2537,9 +2742,6 @@ 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;
@@ -2547,9 +2749,6 @@ 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 {
@@ -2557,9 +2756,6 @@ 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++;
@@ -2569,19 +2765,14 @@ 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_RK_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)
 {
@@ -2599,21 +2790,18 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
        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_RK_IOMMU
                if (!dev_drv->iommu_enabled) {
-#endif
                        fix->smem_start = hwc_phy[0];
-#ifdef CONFIG_RK_IOMMU
                } else {
                        int usr_fd;
                        struct ion_handle *hdl;
@@ -2641,8 +2829,8 @@ 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);
@@ -2651,7 +2839,6 @@ 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:
@@ -2660,12 +2847,9 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
 
                        if (copy_from_user(yuv_phy, argp, 8))
                                return -EFAULT;
-                       #ifdef CONFIG_RK_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_RK_IOMMU
                        } else {
                                int usr_fd, offset, tmp;
                                struct ion_handle *hdl;
@@ -2681,8 +2865,12 @@ 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;
                                }
@@ -2695,8 +2883,8 @@ 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);
@@ -2705,14 +2893,14 @@ 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:
@@ -2747,9 +2935,11 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
        case RK_FBIOSET_VSYNC_ENABLE:
                if (copy_from_user(&enable, argp, sizeof(enable)))
                        return -EFAULT;
-               dev_drv->vsync_info.active = enable;
+               if (enable)
+                       dev_drv->vsync_info.active++;
+               else
+                       dev_drv->vsync_info.active--;
                break;
-
        case RK_FBIOGET_DSP_ADDR:
                dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
                if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
@@ -2773,8 +2963,10 @@ 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;
@@ -2812,14 +3004,20 @@ 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))) {
@@ -2830,6 +3028,7 @@ static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
                dev_drv->wait_fs = win_data.wait_fs;
                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;
@@ -2859,14 +3058,16 @@ 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;
        mutex_lock(&dev_drv->switch_screen);
 #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");
+           (hdmi_get_hotplug() == HDMI_HPD_ACTIVATED)) {
+               pr_info("hdmi is connect , not blank lcdc\n");
        } else
 #endif
        {
@@ -2933,7 +3134,7 @@ 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 {
@@ -3054,25 +3255,23 @@ static int rk_fb_set_par(struct fb_info *info)
        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)
@@ -3080,7 +3279,7 @@ 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;
@@ -3118,7 +3317,6 @@ static int rk_fb_set_par(struct fb_info *info)
                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 */
@@ -3130,7 +3328,6 @@ 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:
@@ -3141,7 +3338,6 @@ 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:
@@ -3163,6 +3359,9 @@ 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; */
@@ -3196,6 +3395,7 @@ 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);
@@ -3223,7 +3423,7 @@ 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;
        }
 
@@ -3291,7 +3491,7 @@ static int rk_fb_wait_for_vsync_thread(void *data)
                ktime_t timestamp = dev_drv->vsync_info.timestamp;
                int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
                                !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
-                               (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
+                               (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
 
                if (!ret)
                        sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
@@ -3306,6 +3506,7 @@ 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));
 }
@@ -3335,8 +3536,8 @@ 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;
@@ -3345,8 +3546,8 @@ 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;
@@ -3379,7 +3580,7 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
        struct rk_lcdc_win *win;
        char name[6] = {0};
        int i, win_id;
-       static bool load_screen = false;
+       static bool load_screen;
        char *envp[4];
        char envplcdc[32];
        char envpfbdev[32];
@@ -3393,22 +3594,27 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
        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",
+       pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d",
                enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
+       pr_info("data space: %d, color mode: %d\n",
+               screen->data_space, screen->color_mode);
 
        mutex_lock(&dev_drv->switch_screen);
+       dev_drv->hot_plug_state = enable;
        hdmi_switch_state = 0;
        dev_drv->hdmi_switch = 1;
        if (!dev_drv->uboot_logo) {
@@ -3426,10 +3632,10 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                }
        }
 
-       envp[0] = "switch screen";
+       envp[0] = "switch vop screen";
        memset(envplcdc, 0, sizeof(envplcdc));
        memset(envpfbdev, 0, sizeof(envpfbdev));
-       sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
+       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;
@@ -3490,33 +3696,34 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                        }
 
                        /*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))
                                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);
+               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 (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 (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->screen1)
                        dev_drv->cur_screen = dev_drv->screen1;
@@ -3524,53 +3731,45 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
                memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
                dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
                dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
-               dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
-               dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
+               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 || load_screen ||
            (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
-               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);
-                       win = dev_drv->win[win_id];
-                       if (win && fb_par->state) {
-                               mutex_lock(&dev_drv->win_config);
-                               dev_drv->ops->load_screen(dev_drv, 1);
-                               mutex_unlock(&dev_drv->win_config);
-
-                               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);
-                                       dev_drv->suspend_flag = 0;
-                                       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);
+               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 {
@@ -3578,15 +3777,25 @@ int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
        }
        kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
 
+       if (dev_drv->cur_screen->width && dev_drv->cur_screen->height) {
+               /* for vr auto dp support */
+               info = rk_fb->fb[dev_drv->fb_index_base];
+               info->var.width = dev_drv->cur_screen->width;
+               info->var.height = dev_drv->cur_screen->height;
+               pr_info("%s:info->var.width=%d, info->var.height=%d\n",
+                       __func__, info->var.width, info->var.height);
+       }
+
        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_mode == ONE_DUAL))
@@ -3614,19 +3823,20 @@ 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 {
@@ -3686,12 +3896,14 @@ static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
        ion_phys_addr_t phy_addr;
        size_t len;
        int ret = 0;
+
        if (dev_drv->iommu_enabled)
-               handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 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,
+               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));
@@ -3701,29 +3913,25 @@ 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_RK_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:
@@ -3776,6 +3984,7 @@ static int rk_fb_alloc_buffer(struct fb_info *fbi)
                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();
@@ -3794,7 +4003,6 @@ static int rk_fb_alloc_buffer(struct fb_info *fbi)
                                                       fb_par->ion_hdl);
                                dev_drv->win[win_id]->area[0].ion_hdl =
                                        fb_par->ion_hdl;
-#ifdef CONFIG_RK_IOMMU
                                if (dev_drv->mmu_dev)
                                        ret = ion_map_iommu(dev_drv->dev,
                                                            rk_fb->ion_client,
@@ -3805,7 +4013,6 @@ static int rk_fb_alloc_buffer(struct fb_info *fbi)
                                        ret = ion_phys(rk_fb->ion_client,
                                                       fb_par->ion_hdl,
                                                       &phy_addr, &len);
-#endif
                                if (ret < 0) {
                                        dev_err(fbi->dev, "ion map to get phy addr failed\n");
                                        return -ENOMEM;
@@ -3839,8 +4046,8 @@ 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;
 }
 
@@ -3864,6 +4071,7 @@ 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!");
@@ -3873,6 +4081,9 @@ 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;
        }
 
@@ -3901,8 +4112,8 @@ static int init_lcdc_device_driver(struct rk_fb *rk_fb,
        screen->overscan.right = 100;
        screen->overscan.bottom = 100;
 
-       screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
-       screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
+       screen->x_mirror = !!(dev_drv->rotate_mode & X_MIRROR);
+       screen->y_mirror = !!(dev_drv->rotate_mode & Y_MIRROR);
 
        dev_drv->screen0 = screen;
        dev_drv->cur_screen = screen;
@@ -3946,7 +4157,7 @@ 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;
@@ -3958,7 +4169,7 @@ 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;
@@ -3969,17 +4180,17 @@ 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)
@@ -3992,9 +4203,28 @@ bool is_prmry_rk_lcdc_registered(void)
                return false;
 }
 
-__weak phys_addr_t uboot_logo_base;
-__weak phys_addr_t uboot_logo_size;
-__weak phys_addr_t uboot_logo_offset;
+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)
@@ -4004,6 +4234,8 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
        struct rk_fb_par *fb_par = NULL;
        int i = 0, ret = 0, index = 0;
        unsigned long flags;
+       char time_line_name[16];
+       int mirror = 0;
 
        if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
                return -ENXIO;
@@ -4024,7 +4256,7 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                fbi = framebuffer_alloc(0, &fb_pdev->dev);
                if (!fbi) {
                        dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
-                       ret = -ENOMEM;
+                       return -ENOMEM;
                }
                fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
                                      GFP_KERNEL);
@@ -4040,6 +4272,14 @@ 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);
+               if (dev_drv->dsp_mode == ONE_VOP_DUAL_MIPI_VER_SCAN) {
+                       fbi->var.xres /= 2;
+                       fbi->var.yres *= 2;
+                       fbi->var.xres_virtual /= 2;
+                       fbi->var.yres_virtual *= 2;
+               }
+               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)
@@ -4049,8 +4289,6 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
 #endif
                fbi->fix.line_length =
                    (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
-               fbi->var.width = dev_drv->cur_screen->width;
-               fbi->var.height = dev_drv->cur_screen->height;
                if (dev_drv->iommu_enabled)
                        fb_ops.fb_mmap = rk_fb_mmap;
                fbi->fbops = &fb_ops;
@@ -4089,6 +4327,7 @@ 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);
 
@@ -4097,16 +4336,18 @@ 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;
                }
        }
@@ -4118,71 +4359,78 @@ 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_RK_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;
+                       int logo_len, 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);
+                       logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
                        nr_pages = size >> PAGE_SHIFT;
                        pages = kzalloc(sizeof(struct page) * nr_pages,
                                        GFP_KERNEL);
+                       if (!pages)
+                               return -ENOMEM;
                        while (i < nr_pages) {
                                pages[i] = phys_to_page(start);
                                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 +
                                       uboot_logo_offset));
+                               kfree(pages);
                                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;
                        }
                        kfree(pages);
                        vunmap(vaddr);
-                       if (dev_drv->uboot_logo &&
-                           (width != xact || height != yact)) {
+                       if (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);
+                       mirror = ymirror || dev_drv->cur_screen->y_mirror;
                        if (dev_drv->ops->post_dspbuf) {
                                dev_drv->ops->post_dspbuf(dev_drv,
-                                       main_fbi->fix.smem_start,
+                                       main_fbi->fix.smem_start +
+                                       (mirror ? logo_len : 0),
                                        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();
@@ -4194,49 +4442,62 @@ int rk_fb_register(struct rk_lcdc_driver *dev_drv,
                        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);
+                       if (!pages)
+                               return -ENOMEM;
                        while (i < nr_pages) {
                                pages[i] = phys_to_page(start);
                                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);
+                               kfree(pages);
                                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);
+                       mirror = y_mirror || dev_drv->cur_screen->y_mirror;
                        dev_drv->ops->post_dspbuf(dev_drv,
-                                       main_fbi->fix.smem_start,
+                                       main_fbi->fix.smem_start +
+                                       (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)
@@ -4268,17 +4529,18 @@ 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;
-               extend_fbi->fbops->fb_open(extend_fbi, 1);
-#if defined(CONFIG_RK_IOMMU)
-               if (dev_drv->iommu_enabled) {
-                       if (dev_drv->mmu_dev)
-                               rockchip_iovmm_set_fault_handler(dev_drv->dev,
-                                                                rk_fb_sysmmu_fault_handler);
+               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
-               rk_fb_alloc_buffer(extend_fbi);
        }
 #endif
        return 0;
@@ -4312,11 +4574,35 @@ 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");
@@ -4337,14 +4623,15 @@ 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)
@@ -4357,6 +4644,27 @@ 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;
@@ -4364,9 +4672,6 @@ 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;
 }