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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW mobile] eDP can't light up when boot up"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65995#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW mobile] eDP can't light up when boot up"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65995">bug 65995</a>
from <span class="vcard"><a class="email" href="mailto:yangweix.shui@intel.com" title="shui yangwei <yangweix.shui@intel.com>"> <span class="fn">shui yangwei</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=65995#c7">comment #7</a>)
<span class="quote">> Possibly related bug <a href="https://bugzilla.kernel.org/show_bug.cgi?id=59841">https://bugzilla.kernel.org/show_bug.cgi?id=59841</a> with
> a hack:
>
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c
> b/drivers/gpu/drm/i915/intel_dp.c
> index 24a44ed..3ad6bef 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -102,7 +102,7 @@ intel_dp_max_link_bw(struct intel_dp *intel_dp)
> static int
> intel_dp_link_required(int pixel_clock, int bpp)
> {
> - return (pixel_clock * bpp + 9) / 10;
> + return (pixel_clock * bpp + 9) / 10 * 40 / 39;
> }
>
> static int</span >
I tried this patch on latest -next-queued, and I find issue also exists. I
don't think this is related to the bug you give. When I start X and with
another pipe connected, then eDP could light up.</pre>
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