From 249abd555d4080ed5487f704077f1d05ca724632 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 30 Aug 2013 14:30:25 +0300
Subject: drm/i915: Refactor max WM level
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Pull the expected max WM level determinations out to a separate
function. Will have another user soon.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit ad0d6dc4859ffb769768b64942b6a110e92acd21)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c1c5ce03e7d6..2b7f76be01c3 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2561,19 +2561,22 @@ static void intel_fixup_cur_wm_latency(struct drm_device *dev, uint16_t wm[5])
 		wm[3] *= 2;
 }
 
-static void intel_print_wm_latency(struct drm_device *dev,
-				   const char *name,
-				   const uint16_t wm[5])
+static int ilk_wm_max_level(const struct drm_device *dev)
 {
-	int level, max_level;
-
 	/* how many WM levels are we expecting */
 	if (IS_HASWELL(dev))
-		max_level = 4;
+		return 4;
 	else if (INTEL_INFO(dev)->gen >= 6)
-		max_level = 3;
+		return 3;
 	else
-		max_level = 2;
+		return 2;
+}
+
+static void intel_print_wm_latency(struct drm_device *dev,
+				   const char *name,
+				   const uint16_t wm[5])
+{
+	int level, max_level = ilk_wm_max_level(dev);
 
 	for (level = 0; level <= max_level; level++) {
 		unsigned int latency = wm[level];
-- 
1.8.5.rc3