Re: [alsa-devel] [RFC PATCH v3 1/7] drm/i915: setup bridge for HDMI LPE audio driver

On 11/24/16 7:31 AM, Ville Syrjälä wrote:

...

+static void lpe_audio_irq_unmask(struct irq_data *d) +{

• struct drm_device *dev = d->chip_data;
• struct drm_i915_private *dev_priv = to_i915(dev);
• unsigned long irqflags;
• u32 val = (I915_LPE_PIPE_A_INTERRUPT |

• I915_LPE_PIPE_B_INTERRUPT |
  

• I915_LPE_PIPE_C_INTERRUPT);
  

No pipe C on vlv.

Yes but does it hurt to set this bit? If the hardware is not present then there is no side effect, is there?