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drm/i915: Hold pc8 lock around toggling pc8.gpu_idle
We need to hold the pc8 lock around toggling the value of gpu_idle. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -6761,18 +6761,22 @@ done:
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static void hsw_package_c8_gpu_idle(struct drm_i915_private *dev_priv)
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{
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mutex_lock(&dev_priv->pc8.lock);
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if (!dev_priv->pc8.gpu_idle) {
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dev_priv->pc8.gpu_idle = true;
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hsw_enable_package_c8(dev_priv);
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__hsw_enable_package_c8(dev_priv);
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}
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mutex_unlock(&dev_priv->pc8.lock);
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}
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static void hsw_package_c8_gpu_busy(struct drm_i915_private *dev_priv)
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{
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mutex_lock(&dev_priv->pc8.lock);
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if (dev_priv->pc8.gpu_idle) {
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dev_priv->pc8.gpu_idle = false;
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hsw_disable_package_c8(dev_priv);
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__hsw_disable_package_c8(dev_priv);
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}
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mutex_unlock(&dev_priv->pc8.lock);
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}
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#define for_each_power_domain(domain, mask) \
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