From: hjc <hjc@rock-chips.com>
Date: Thu, 9 Apr 2015 08:26:57 +0000 (+0800)
Subject: rk fb: recovery need two framebuffer
X-Git-Tag: firefly_0821_release~4158^2~224
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e1ad97b825e3c0b67b847caa0bb44a15df85e361;p=firefly-linux-kernel-4.4.55.git

rk fb: recovery need two framebuffer

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

diff --git a/drivers/video/rockchip/screen/rk_screen.c b/drivers/video/rockchip/screen/rk_screen.c
index d3aadd6bfd93..8725d69cc6ba 100755
--- a/drivers/video/rockchip/screen/rk_screen.c
+++ b/drivers/video/rockchip/screen/rk_screen.c
@@ -45,7 +45,7 @@ size_t get_fb_size(u8 reserved_fb)
 	/* align as 64 bytes(16*4) in an odd number of times */
 	xres = ALIGN_64BYTE_ODD_TIMES(xres, ALIGN_PIXEL_64BYTE_RGB8888);
         if (reserved_fb == 1) {
-                size = (xres * yres << 2);/*one buffer*/
+                size = (xres * yres << 2) << 1;/*two buffer*/
         } else {
 #if defined(CONFIG_THREE_FB_BUFFER)
 		size = (xres * yres << 2) * 3;	/* three buffer */