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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-04-26 18:46:33 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-04-28 17:11:19 +0200 |
| commit | 1033f92e15e3f4d5b3a374d254711d66b352b731 (patch) | |
| tree | 0a35280ea22945ca40c88bbafe650923653af47c /drivers/gpu/drm/i915/intel_audio.c | |
| parent | drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency (diff) | |
| download | linux-1033f92e15e3f4d5b3a374d254711d66b352b731.tar.xz linux-1033f92e15e3f4d5b3a374d254711d66b352b731.zip | |
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: Ville 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: Mika Kahola <mika.kahola@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_audio.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_audio.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 56ba8765816e..1063108a9bab 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -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, |