From: marek.vasut@gmail.com (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 02/19] arm pxafb: add Pixel Clock Divisor (LCCR4_PCDDIV) bit support.
Date: Mon, 12 Jul 2010 15:26:00 +0200 [thread overview]
Message-ID: <201007121526.00937.marek.vasut@gmail.com> (raw)
In-Reply-To: <1270121891-3193-1-git-send-email-giometti@linux.it>
Dne ?t 1. dubna 2010 13:38:11 Rodolfo Giometti napsal(a):
> Signed-off-by: Rodolfo Giometti <giometti@linux.it>
> Acked-by: Raffaele Recalcati <raffaele.recalcati@bticino.it>
> Acked-by: Enrico Valtolina <enrico.valtolina@bticino.it>
Any updates?
> ---
> arch/arm/mach-pxa/include/mach/pxafb.h | 1 +
> arch/arm/mach-pxa/include/mach/regs-lcd.h | 1 +
> drivers/video/pxafb.c | 4 +++-
> 3 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/include/mach/pxafb.h
> b/arch/arm/mach-pxa/include/mach/pxafb.h index 160ec83..b2530c5 100644
> --- a/arch/arm/mach-pxa/include/mach/pxafb.h
> +++ b/arch/arm/mach-pxa/include/mach/pxafb.h
> @@ -61,6 +61,7 @@
> #define LCD_PCLK_EDGE_RISE (0 << 19)
> #define LCD_PCLK_EDGE_FALL (1 << 19)
> #define LCD_ALTERNATE_MAPPING (1 << 20)
> +#define LCD_PCDDIV_1 (1 << 21)
>
> /*
> * This structure describes the machine which we are running on.
> diff --git a/arch/arm/mach-pxa/include/mach/regs-lcd.h
> b/arch/arm/mach-pxa/include/mach/regs-lcd.h index f82dcea..65b711a 100644
> --- a/arch/arm/mach-pxa/include/mach/regs-lcd.h
> +++ b/arch/arm/mach-pxa/include/mach/regs-lcd.h
> @@ -46,6 +46,7 @@
> #define LCCR4_PAL_FOR_2 (2 << 15)
> #define LCCR4_PAL_FOR_3 (3 << 15)
> #define LCCR4_PAL_FOR_MASK (3 << 15)
> +#define LCCR4_PCDDIV (1 << 31)
>
> #define FDADR0 (0x200) /* DMA Channel 0 Frame Descriptor
Address Register
> */ #define FDADR1 (0x210) /* DMA Channel 1 Frame Descriptor
Address
> Register */ diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
> index 825b665..8cba420 100644
> --- a/drivers/video/pxafb.c
> +++ b/drivers/video/pxafb.c
> @@ -1355,7 +1355,7 @@ static int pxafb_activate_var(struct
> fb_var_screeninfo *var, fbi->reg_lccr3 |= pxafb_var_to_lccr3(var);
>
> fbi->reg_lccr4 = lcd_readl(fbi, LCCR4) & ~LCCR4_PAL_FOR_MASK;
> - fbi->reg_lccr4 |= (fbi->lccr4 & LCCR4_PAL_FOR_MASK);
> + fbi->reg_lccr4 |= (fbi->lccr4 & (LCCR4_PAL_FOR_MASK | LCCR4_PCDDIV));
> local_irq_restore(flags);
>
> /*
> @@ -1738,6 +1738,8 @@ static void pxafb_decode_mach_info(struct pxafb_info
> *fbi, fbi->lccr3 |= (lcd_conn & LCD_BIAS_ACTIVE_LOW) ? LCCR3_OEP : 0;
> fbi->lccr3 |= (lcd_conn & LCD_PCLK_EDGE_FALL) ? LCCR3_PCP : 0;
>
> + fbi->lccr4 |= (lcd_conn & LCD_PCDDIV_1) ? LCCR4_PCDDIV : 0;
> +
> decode_mode:
> pxafb_setmode(&fbi->fb.var, &inf->modes[0]);
next prev parent reply other threads:[~2010-07-12 13:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-01 11:38 [PATCH 02/19] arm pxafb: add Pixel Clock Divisor (LCCR4_PCDDIV) bit support Rodolfo Giometti
2010-07-12 13:26 ` Marek Vasut [this message]
2010-07-12 13:34 ` Rodolfo Giometti
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