Merge branch 'pm-qos'
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / intel_sdvo.c
index d172e9873131cc708a5351fdec3cc690a73cabcd..123afd357611a6fbbd4c235aa7449afd6ac15dff 100644 (file)
@@ -1692,6 +1692,7 @@ static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
        edid = intel_sdvo_get_edid(connector);
        if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
                has_audio = drm_detect_monitor_audio(edid);
+       kfree(edid);
 
        return has_audio;
 }
@@ -2572,7 +2573,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
                hotplug_mask = intel_sdvo->is_sdvob ?
                        SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
        }
-       dev_priv->hotplug_supported_mask |= hotplug_mask;
 
        drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
 
@@ -2580,14 +2580,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
        if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
                goto err;
 
-       /* Set up hotplug command - note paranoia about contents of reply.
-        * We assume that the hardware is in a sane state, and only touch
-        * the bits we think we understand.
-        */
-       intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
-                            &intel_sdvo->hotplug_active, 2);
-       intel_sdvo->hotplug_active[0] &= ~0x3;
-
        if (intel_sdvo_output_setup(intel_sdvo,
                                    intel_sdvo->caps.output_flags) != true) {
                DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
@@ -2595,6 +2587,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
                goto err;
        }
 
+       /* Only enable the hotplug irq if we need it, to work around noisy
+        * hotplug lines.
+        */
+       if (intel_sdvo->hotplug_active[0])
+               dev_priv->hotplug_supported_mask |= hotplug_mask;
+
        intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
 
        /* Set the input timing to the screen. Assume always input 0. */