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SubjectRe: Linux 2.6.37-rc8 (no fb)
From
On Wed, Dec 29, 2010 at 21:16, Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> On Wed, 29 Dec 2010 11:40:04 -0800
> Linus Torvalds <torvalds@linux-foundation.org> wrote:
>> Chris - why did that lvds_ssc_freq thing suddenly start mattering? Can
>> we please just disable spread-spectrum entirely? Or perhaps only if we
>> notice that it was enabled already? Or something?
>
> Randy, Jeff and Alex, does the below help at all?  If so, it may be the
> minimal fix we want for 2.6.37.

Something broke your patch: whitespace instead of tabs.

> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios
> index 2b20786..d27d016 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -263,6 +263,9 @@ parse_general_features(struct drm_i915_private *dev_priv,
>                dev_priv->int_tv_support = general->int_tv_support;
>                dev_priv->int_crt_support = general->int_crt_support;
>                dev_priv->lvds_use_ssc = general->enable_ssc;
> +               /* force disable until we can parse this correctly */

This comment seems to imply that SSC wasn't used at all until recently, right?

> +               if (IS_GEN5(dev) || IS_GEN6(dev))
> +                       dev_priv->lvds_use_ssc = 0;

Doesn't change anything here. Display stays blank.
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