From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat, 11 Sep 2010 20:37:48 +0000 (+0100)
Subject: drm/i915/dp: Convert a udelay(17000) to a sleep during link-off
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fe255d0028903f1132a3c1214edc91cf95b7cd98;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/i915/dp: Convert a udelay(17000) to a sleep during link-off

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 103a60b3cad4..208a4ec3e432 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1366,14 +1366,13 @@ intel_dp_link_down(struct intel_dp *intel_dp)
 	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_dp)) {
 		DP &= ~DP_LINK_TRAIN_MASK_CPT;
 		I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
-		POSTING_READ(intel_dp->output_reg);
 	} else {
 		DP &= ~DP_LINK_TRAIN_MASK;
 		I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE);
-		POSTING_READ(intel_dp->output_reg);
 	}
+	POSTING_READ(intel_dp->output_reg);
 
-	udelay(17000);
+	msleep(17);
 
 	if (IS_eDP(intel_dp))
 		DP |= DP_LINK_TRAIN_OFF;