rk fb: only use iommu need to check config

Signed-off-by: hjc <hjc@rock-chips.com>

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 430476c54c8f33f1c06e48ef6bd414654a060e84..ff947ac5666b16b14b5d3fadfcfb553151e370b1 100644 (file)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -2011,7 +2011,8 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                if ((fb_data_fmt != YUV420) &&
                    (fb_data_fmt != YUV420_NV21) &&
                    (fb_data_fmt != YUV422) &&
-                    (fb_data_fmt != YUV444)) {
+                    (fb_data_fmt != YUV444) &&
+                    dev_drv->iommu_enabled) {
                         buff_len = reg_win_data->reg_area_data[i].y_offset +
                                 reg_win_data->reg_area_data[i].xvir *
                                 reg_win_data->reg_area_data[i].yact *
@@ -2105,7 +2106,8 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
                        reg_win_data->reg_area_data[0].smem_start -
                        reg_win_data->reg_area_data[0].xoff*
                        pixel_width / 16 ;
-               if (buff_len > reg_win_data->reg_area_data[0].buff_len)
+               if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
+                     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",