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Commit 1033f92e authored by Ville Syrjälä's avatar Ville Syrjälä
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drm/i915: Use cached cdclk value in i915_audio_component_get_cdclk_freq() 



No point in reading the cdclk out from the hardware every single time
since we have it cached already. Just return the cached value to the
audio driver.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461689194-6079-3-git-send-email-ville.syrjala@linux.intel.com


Reviewed-by: default avatarMika Kahola <mika.kahola@intel.com>
parent 7f1052a8

drivers/gpu/drm/i915/intel_audio.c

+1 −7
Original line number Diff line number Diff line
@@ -624,17 +624,11 @@ static void i915_audio_component_codec_wake_override(struct device *dev, 
static int i915_audio_component_get_cdclk_freq(struct device *dev)

{

	struct drm_i915_private *dev_priv = dev_to_i915(dev);

	int ret;



	if (WARN_ON_ONCE(!HAS_DDI(dev_priv)))

		return -ENODEV;



	intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);

	ret = dev_priv->display.get_display_clock_speed(dev_priv->dev);



	intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO);



	return ret;

	return dev_priv->cdclk_freq;

}



static int i915_audio_component_sync_audio_rate(struct device *dev,