rk fb: fb mem alloc 32 align for special resolution

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 9aff1558fa03233daf4aedc808f455b5df77285e..106c48c22fd167b158908a999ca64ac82f045943 100755 (executable)
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -2687,7 +2687,7 @@ static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
                win = dev_drv->win[win_id];
 
        if (!strcmp(fbi->fix.id, "fb0")) {
-               fb_mem_size = 3 * (fbi->var.xres * fbi->var.yres) << 2;
+               fb_mem_size = 3 * (((fbi->var.xres + 31)&(~31))* fbi->var.yres) << 2;
                fb_mem_size = ALIGN(fb_mem_size, SZ_1M);
 #if defined(CONFIG_ION_ROCKCHIP)
                handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0, ION_HEAP(ION_CMA_HEAP_ID), 0);