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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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drm/i915: drop encoder hot_plug calls at resume
We really just want to go detect displays again and fire off a hotplug event if things have changed, not go through full hotplug processing. Requested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -597,24 +597,6 @@ void intel_console_resume(struct work_struct *work)
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console_unlock();
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}
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static void intel_resume_hotplug(struct drm_device *dev)
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{
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struct drm_mode_config *mode_config = &dev->mode_config;
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struct intel_encoder *encoder;
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mutex_lock(&mode_config->mutex);
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DRM_DEBUG_KMS("running encoder hotplug functions\n");
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list_for_each_entry(encoder, &mode_config->encoder_list, base.head)
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if (encoder->hot_plug)
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encoder->hot_plug(encoder);
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mutex_unlock(&mode_config->mutex);
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/* Just fire off a uevent and let userspace tell us what to do */
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drm_helper_hpd_irq_event(dev);
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}
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static int i915_drm_thaw_early(struct drm_device *dev)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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@ -670,7 +652,7 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
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intel_hpd_init(dev);
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dev_priv->enable_hotplug_processing = true;
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/* Config may have changed between suspend and resume */
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intel_resume_hotplug(dev);
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drm_helper_hpd_irq_event(dev);
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}
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intel_opregion_init(dev);
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