drm/i915: dev_priv cleanup in i915_gem_stolen.c

And a little bit of cascaded function prototype changes.

Signed-off-by: Tvrtko Ursulin <[e-mail]>
Reviewed-by: Chris Wilson <[e-mail]>

drivers/gpu/drm/i915/i915_drv.h

···
 					 u64 end);
 void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv,
 				 struct drm_mm_node *node);
-int i915_gem_init_stolen(struct drm_device *dev);
+int i915_gem_init_stolen(struct drm_i915_private *dev_priv);
 void i915_gem_cleanup_stolen(struct drm_device *dev);
 struct drm_i915_gem_object *
 i915_gem_object_create_stolen(struct drm_device *dev, u32 size);

drivers/gpu/drm/i915/i915_gem_gtt.c

···
 	 * Initialise stolen early so that we may reserve preallocated
 	 * objects for the BIOS to KMS transition.
 	 */
-	ret = i915_gem_init_stolen(&dev_priv->drm);
+	ret = i915_gem_init_stolen(dev_priv);
 	if (ret)
 		goto out_gtt_cleanup;
 

drivers/gpu/drm/i915/i915_gem_stolen.c

···
 	mutex_unlock(&dev_priv->mm.stolen_lock);
 }
 
-static unsigned long i915_stolen_to_physical(struct drm_device *dev)
+static unsigned long i915_stolen_to_physical(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct pci_dev *pdev = dev_priv->drm.pdev;
 	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	struct resource *r;
···
 	 * kernel. So if the region is already marked as busy, something
 	 * is seriously wrong.
 	 */
-	r = devm_request_mem_region(dev->dev, base, ggtt->stolen_size,
+	r = devm_request_mem_region(dev_priv->drm.dev, base, ggtt->stolen_size,
 				    "Graphics Stolen Memory");
 	if (r == NULL) {
 		/*
···
 		 * PCI bus, but have an off-by-one error. Hence retry the
 		 * reservation starting from 1 instead of 0.
 		 */
-		r = devm_request_mem_region(dev->dev, base + 1,
+		r = devm_request_mem_region(dev_priv->drm.dev, base + 1,
 					    ggtt->stolen_size - 1,
 					    "Graphics Stolen Memory");
 		/*
···
 		*size = stolen_top - *base;
 }
 
-int i915_gem_init_stolen(struct drm_device *dev)
+int i915_gem_init_stolen(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	unsigned long reserved_total, reserved_base = 0, reserved_size;
 	unsigned long stolen_top;
···
 	mutex_init(&dev_priv->mm.stolen_lock);
 
 #ifdef CONFIG_INTEL_IOMMU
-	if (intel_iommu_gfx_mapped && INTEL_INFO(dev)->gen < 8) {
+	if (intel_iommu_gfx_mapped && INTEL_GEN(dev_priv) < 8) {
 		DRM_INFO("DMAR active, disabling use of stolen memory\n");
 		return 0;
 	}
···
 	if (ggtt->stolen_size == 0)
 		return 0;
 
-	dev_priv->mm.stolen_base = i915_stolen_to_physical(dev);
+	dev_priv->mm.stolen_base = i915_stolen_to_physical(dev_priv);
 	if (dev_priv->mm.stolen_base == 0)
 		return 0;