linux-kernel - Re: [PATCH 3/4] radeonfb: fix setting of PPLL_REF

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Message-Id: <1188913623.5972.152.camel@localhost.localdomain>
Date:	Tue, 04 Sep 2007 15:47:03 +0200
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	aherrman@...or.de
Cc:	linux-fbdev-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] radeonfb: fix setting of PPLL_REF_DIV for RV370
	5B60

On Tue, 2007-09-04 at 13:00 +0200, aherrman@...or.de wrote:
> As observed with various Radeon X300: console goes blank
> without fixing setting of PPLL_REF_DIV.
> 
> Signed-off-by: Andreas Herrmann <aherrman@...or.de>

Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>

> ---
>  drivers/video/aty/radeon_base.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
> index f672c0c..71b0c17 100644
> --- a/drivers/video/aty/radeon_base.c
> +++ b/drivers/video/aty/radeon_base.c
> @@ -1287,7 +1287,8 @@ static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_reg
>  	if (rinfo->family == CHIP_FAMILY_R300 ||
>  	    rinfo->family == CHIP_FAMILY_RS300 ||
>  	    rinfo->family == CHIP_FAMILY_R350 ||
> -	    rinfo->family == CHIP_FAMILY_RV350) {
> +	    rinfo->family == CHIP_FAMILY_RV350 ||
> +	    rinfo->family == CHIP_FAMILY_RV380 ) {
>  		if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
>  			/* When restoring console mode, use saved PPLL_REF_DIV
>  			 * setting.

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