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

Damien Lespiau
2015-06-04T17:21:42Z

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)