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rk fb: only use iommu need to check config

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Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2015-03-23 16:08:43 +08:00
parent 5478bf8d59
commit a35b4daa1f
1 changed files with 4 additions and 2 deletions
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6
drivers/video/rockchip/rk_fb.c
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@@ -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",