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ARM: pxa168fb: clear enable bit when not active 

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@marvell.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Haojian Zhuang 2010-09-08 09:42:39 -04:00 committed by Eric Miao
parent cfc6a554d7
commit 07a5d146c8
1 changed files with 2 additions and 2 deletions
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4
drivers/video/pxa168fb.c
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@ -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 |= fbi->active ? CFG_GRA_ENA(1) : CFG_GRA_ENA(0);
/*
* If we are in a pseudo-color mode, we need to enable