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drm/i915: warn if Pineview CxSR can't be enabled
If we don't detect a supported memory configuration, we can't enable CxSR. Warn the user in this case so they can file a bug.
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@ -4740,6 +4740,13 @@ void intel_modeset_init(struct drm_device *dev)
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(unsigned long)dev);
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intel_setup_overlay(dev);
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if (IS_IGD(dev) && !intel_get_cxsr_latency(IS_IGDG(dev),
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dev_priv->fsb_freq,
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dev_priv->mem_freq))
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DRM_INFO("failed to find known CxSR latency "
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"(found fsb freq %d, mem freq %d), disabling CxSR\n",
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dev_priv->fsb_freq, dev_priv->mem_freq);
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}
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void intel_modeset_cleanup(struct drm_device *dev)
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