From: Chris Wilson Date: Fri, 9 Sep 2016 13:11:48 +0000 (+0100) Subject: drm/i915: Drop local struct_mutex around intel_init_emon[ilk] X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2c7487a524147f7a3f588c1394be44149f66da94;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/i915: Drop local struct_mutex around intel_init_emon[ilk] 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 Reviewed-by: Mika Kuoppala Link: http://patchwork.freedesktop.org/patch/msgid/20160909131201.16673-8-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 4f833a077089..6af438ffef9a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -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