From: Adam Jackson <ajax@redhat.com>
Date: Tue, 26 Jul 2011 19:39:44 +0000 (-0400)
Subject: drm/i915/dp: Tweak auxch clock divider for PCH
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=6919132e7a307b1f181d7655b3ef64cc7581a5ef;p=deliverable%2Flinux.git

drm/i915/dp: Tweak auxch clock divider for PCH

Matches the advice in the Sandybridge documentation.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index db3b461ad412..add871911a63 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -378,7 +378,7 @@ 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;