[PATCH 1/3] drm/i915/dp: Tweak auxch clock divider for PCH

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On Tue, 26 Jul 2011 15:39:44 -0400
Adam Jackson <ajax at redhat.com> wrote:

> Matches the advice in the Sandybridge documentation.
> 
> Signed-off-by: Adam Jackson <ajax at redhat.com>
> ---
>  drivers/gpu/drm/i915/intel_dp.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index dcc7ae6..3ad90f6 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -305,7 +305,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
>  		else
>  			aux_clock_divider = 225; /* eDP input clock at 450Mhz */
>  	} else if (HAS_PCH_SPLIT(dev))
> -		aux_clock_divider = 62; /* IRL input clock fixed at 125Mhz */
> +		aux_clock_divider = 63; /* IRL input clock fixed at 125Mhz */
>  	else
>  		aux_clock_divider = intel_hrawclk(dev) / 2;

I have no problem with this set; matching the docs is nice.  However
we'll need to get some good test coverage before I feel comfortable.

-- 
Jesse Barnes, Intel Open Source Technology Center
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