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drm/i915: Drop local struct_mutex around intel_init_emon[ilk]

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Access to intel_init_emon() is strictly ordered by gt_powersave, using
struct_mutex around it is overkill (and will conflict with the caller
holding struct_mutex themselves).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160909131201.16673-8-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-09-09 14:11:48 +01:00
parent 8af29b0c78
commit 2c7487a524
1 changed files with 0 additions and 2 deletions
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2
drivers/gpu/drm/i915/intel_pm.c
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@ -6773,9 +6773,7 @@ void intel_autoenable_gt_powersave(struct drm_i915_private *dev_priv)
if (IS_IRONLAKE_M(dev_priv)) {
ironlake_enable_drps(dev_priv);
mutex_lock(&dev_priv->drm.struct_mutex);
intel_init_emon(dev_priv);
mutex_unlock(&dev_priv->drm.struct_mutex);
} else if (INTEL_INFO(dev_priv)->gen >= 6) {
/*
* PCU communication is slow and this doesn't need to be