drm/i915: Simplify audio handling on DDI ports
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 24 Apr 2014 21:54:51 +0000 (23:54 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 16 May 2014 09:58:18 +0000 (11:58 +0200)
There's no need to check whether audio is enabled (which for ddi ports
is done through the crtc->eld_vld flag) since at the cost of a
potentially unecessary register rmw cycle we can unconditionally do
this.

Note that the edp check is just paranoia since we won't ever call the
write_eld function for an edp panel.

Reviewed-by: Naresh Kumar Kachhi <naresh.kumar.kachhi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_ddi.c

index 94dc62607a1ac053dcd5dc18955b5559f14c8938..527fea50e5999215cb8cf36d718c4849ab9340e9 100644 (file)
@@ -1403,12 +1403,10 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder)
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint32_t tmp;
 
-       if (intel_crtc->eld_vld && type != INTEL_OUTPUT_EDP) {
-               tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
-               tmp &= ~((AUDIO_OUTPUT_ENABLE_A | AUDIO_ELD_VALID_A) <<
-                        (pipe * 4));
-               I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
-       }
+       tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
+       tmp &= ~((AUDIO_OUTPUT_ENABLE_A | AUDIO_ELD_VALID_A) <<
+                (pipe * 4));
+       I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
 
        if (type == INTEL_OUTPUT_EDP) {
                struct intel_dp *intel_dp = enc_to_intel_dp(encoder);