[PATCH 7/7] drm/i915/skl: Warn if the cached cdclk freq is not the requested one

From: Damien Lespiau <damien.lespiau@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 7/7] drm/i915/skl: Warn if the cached cdclk freq is not the requested one
Date: Thu,  4 Jun 2015 18:21:35 +0100	[thread overview]
Message-ID: <1433438495-16667-7-git-send-email-damien.lespiau@intel.com> (raw)
In-Reply-To: <1433438495-16667-1-git-send-email-damien.lespiau@intel.com>

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a232dc9..a018465 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5627,6 +5627,10 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq)
 	mutex_unlock(&dev_priv->rps.hw_lock);
 
 	intel_update_cdclk(dev);
+
+	WARN(freq != dev_priv->cdclk_freq,
+	     "cdclk requested %d kHz but got %d kHz\n",
+	     freq, dev_priv->cdclk_freq);
 }
 
 void skl_uninit_cdclk(struct drm_i915_private *dev_priv)
-- 
2.1.0

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