Revert "drm/i915: start adding dp mst audio"

This reverts 'commit 3708d5e082c3 ("drm/i915: start adding dp mst audio")'
because it breaks MST multi-monitor setups on some platforms.

Fixes: 3708d5e082c3 ("drm/i915: start adding dp mst audio")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97907
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reported-by: Kim Lidström <kim@dxtr.im>
Cc: Libin Yang <libin.yang@linux.intel.com>
Cc: Lyude <cpaul@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1475132104-2754-1-git-send-email-dhinakaran.pandiyan@intel.com

1 files changed, 5 insertions, 15 deletions

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 07cba6c0b1b5..35f0b7c9d0a6 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2227,19 +2227,6 @@ void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
         udelay(600);
 }
 
-bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv,
-                                 struct intel_crtc *intel_crtc)
-{
-        u32 temp;
-
-        if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) {
-                temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
-                if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe))
-                        return true;
-        }
-        return false;
-}
-
 void intel_ddi_get_config(struct intel_encoder *encoder,
                           struct intel_crtc_state *pipe_config)
 {
@@ -2305,8 +2292,11 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
                 break;
         }
 
-        pipe_config->has_audio =
-                intel_ddi_is_audio_enabled(dev_priv, intel_crtc);
+        if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) {
+                temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
+                if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe))
+                        pipe_config->has_audio = true;
+        }
 
         if (encoder->type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.bpp &&
             pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) {