[PATCH] pxa168fb: fix clear operation

[Haojian Zhuang]

While fb isn't active, we should clear CFG_GRA_ENA bit. The existing code
can't clear this bit.

Signed-off-by: Haojian Zhuang <haojian.zhuang at marvell.com>
---
 drivers/video/pxa168fb.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c
index ec2ddb2..3f112c9 100644
--- a/drivers/video/pxa168fb.c
+++ b/drivers/video/pxa168fb.c
@@ -298,8 +298,8 @@ static void set_dma_control0(struct pxa168fb_info *fbi)
 	 * Set bit to enable graphics DMA.
 	 */
 	x = readl(fbi->reg_base + LCD_SPU_DMA_CTRL0);
-	x |= fbi->active ? 0x00000100 : 0;
-	fbi->active = 0;
+	x &= ~CFG_GRA_ENA_MASK;
+	x |= CFG_GRA_ENA(!!fbi->active);
 
 	/*
 	 * If we are in a pseudo-color mode, we need to enable
-- 
1.5.6.5