linux-kernel - Re: [PATCH] RADEON: duplicate PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS

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Date:	Tue, 19 Aug 2008 08:06:40 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	roel kluin <roel.kluin@...il.com>
Cc:	linux-fbdev-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RADEON: duplicate PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb

On Mon, 2008-08-18 at 23:07 -0400, roel kluin wrote:
> untested, is it correct?
> ---
> duplicate PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb

Hard to say... this code originates from ATI. I'll have to dig a bit
to see what is the right bit combo I suppose.

> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---
> diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c
> index 675abda..74d2e65 100644
> --- a/drivers/video/aty/radeon_pm.c
> +++ b/drivers/video/aty/radeon_pm.c
> @@ -210,7 +210,7 @@ static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo)
>  			 PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb	|
>  			 PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb	|
>  			 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb		|
> -			 PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb		|
> +			 PIXCLKS_CNTL__R300_P2G2CLK_DAC_ALWAYS_ONb	|
>  			 PIXCLKS_CNTL__R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF);
>                  OUTPLL(pllPIXCLKS_CNTL, tmp);
>  
> @@ -392,7 +392,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo)
>  			PIXCLKS_CNTL__R300_PIXCLK_TRANS_ALWAYS_ONb      |
>  			PIXCLKS_CNTL__R300_PIXCLK_TVO_ALWAYS_ONb        |
>  			PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb           |
> -			PIXCLKS_CNTL__R300_P2G2CLK_ALWAYS_ONb);
> +			PIXCLKS_CNTL__R300_P2G2CLK_DAC_ALWAYS_ONb);
>  		OUTPLL(pllPIXCLKS_CNTL, tmp);
>  
>  		tmp = INPLL(pllMCLK_MISC);

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