[Bug 65995] [HSW mobile] eDP can't light up when boot up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65995

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
Possibly related bug https://bugzilla.kernel.org/show_bug.cgi?id=59841 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

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