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drm/i915: Mark up ips for RCU protection 

drivers/gpu/drm/i915/intel_pm.c:8352:9: error: incompatible types in comparison expression (different address spaces)
drivers/gpu/drm/i915/intel_pm.c:8359:9: error: incompatible types in comparison expression (different address spaces)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190412085410.10392-3-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-04-12 09:53:22 +01:00
parent 7a2a519a89
commit adc674cebb
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_pm.c
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@ -8263,14 +8263,14 @@ unsigned long i915_gfx_val(struct drm_i915_private *dev_priv)
return val;
}
static struct drm_i915_private *i915_mch_dev;
static struct drm_i915_private __rcu *i915_mch_dev;
static struct drm_i915_private *mchdev_get(void)
{
struct drm_i915_private *i915;
rcu_read_lock();
i915 = i915_mch_dev;
i915 = rcu_dereference(i915_mch_dev);
if (!kref_get_unless_zero(&i915->drm.ref))
i915 = NULL;
rcu_read_unlock();