drm/i915: More GEM init dev_priv cleanup

Simplifies the code to pass the right parameter in.

v2: Commit message. (Joonas Lahtinen)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index ea847e8..a57c226 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -519,12 +519,11 @@ void i915_gem_context_lost(struct drm_i915_private *dev_priv)
 	}
 }
 
-void i915_gem_context_fini(struct drm_device *dev)
+void i915_gem_context_fini(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct i915_gem_context *dctx = dev_priv->kernel_context;
 
-	lockdep_assert_held(&dev->struct_mutex);
+	lockdep_assert_held(&dev_priv->drm.struct_mutex);
 
 	context_close(dctx);
 	dev_priv->kernel_context = NULL;