drm/i915: Use dev_priv in INTEL_INFO in i915_gem_fence_reg.c

Plus a small cascade of function prototype changes.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/i915_drv.h

@@ -3174,9 +3174,9 @@ i915_gem_object_ggtt_offset(struct drm_i915_gem_object *o,
 int __must_check i915_vma_get_fence(struct i915_vma *vma);
 int __must_check i915_vma_put_fence(struct i915_vma *vma);
 
-void i915_gem_restore_fences(struct drm_device *dev);
+void i915_gem_restore_fences(struct drm_i915_private *dev_priv);
 
-void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
+void i915_gem_detect_bit_6_swizzle(struct drm_i915_private *dev_priv);
 void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj,
 				       struct sg_table *pages);
 void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj,

drivers/gpu/drm/i915/i915_gem.c

@@ -2750,7 +2750,7 @@ void i915_gem_reset(struct drm_i915_private *dev_priv)
 	for_each_engine(engine, dev_priv, id)
 		i915_gem_reset_engine(engine);
 
-	i915_gem_restore_fences(&dev_priv->drm);
+	i915_gem_restore_fences(dev_priv);
 
 	if (dev_priv->gt.awake) {
 		intel_sanitize_gt_powersave(dev_priv);
@@ -4448,7 +4448,6 @@ i915_gem_cleanup_engines(struct drm_device *dev)
 void
 i915_gem_load_init_fences(struct drm_i915_private *dev_priv)
 {
-	struct drm_device *dev = &dev_priv->drm;
 	int i;
 
 	if (INTEL_INFO(dev_priv)->gen >= 7 && !IS_VALLEYVIEW(dev_priv) &&
@@ -4472,9 +4471,9 @@ i915_gem_load_init_fences(struct drm_i915_private *dev_priv)
 		fence->id = i;
 		list_add_tail(&fence->link, &dev_priv->mm.fence_list);
 	}
-	i915_gem_restore_fences(dev);
+	i915_gem_restore_fences(dev_priv);
 
-	i915_gem_detect_bit_6_swizzle(dev);
+	i915_gem_detect_bit_6_swizzle(dev_priv);
 }
 
 int

drivers/gpu/drm/i915/i915_gem_fence_reg.c

@@ -368,15 +368,14 @@ i915_vma_get_fence(struct i915_vma *vma)
 
 /**
  * i915_gem_restore_fences - restore fence state
- * @dev: DRM device
+ * @dev_priv: i915 device private
  *
  * Restore the hw fence state to match the software tracking again, to be called
  * after a gpu reset and on resume. Note that on runtime suspend we only cancel
  * the fences, to be reacquired by the user later.
  */
-void i915_gem_restore_fences(struct drm_device *dev)
+void i915_gem_restore_fences(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	int i;
 
 	for (i = 0; i < dev_priv->num_fence_regs; i++) {
@@ -451,15 +450,14 @@ void i915_gem_restore_fences(struct drm_device *dev)
 
 /**
  * i915_gem_detect_bit_6_swizzle - detect bit 6 swizzling pattern
- * @dev: DRM device
+ * @dev_priv: i915 device private
  *
  * Detects bit 6 swizzling of address lookup between IGD access and CPU
  * access through main memory.
  */
 void
-i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
+i915_gem_detect_bit_6_swizzle(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
 	uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
 
@@ -473,7 +471,7 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 		 */
 		swizzle_x = I915_BIT_6_SWIZZLE_NONE;
 		swizzle_y = I915_BIT_6_SWIZZLE_NONE;
-	} else if (INTEL_INFO(dev)->gen >= 6) {
+	} else if (INTEL_GEN(dev_priv) >= 6) {
 		if (dev_priv->preserve_bios_swizzle) {
 			if (I915_READ(DISP_ARB_CTL) &
 			    DISP_TILE_SURFACE_SWIZZLING) {

drivers/gpu/drm/i915/i915_suspend.c

@@ -114,7 +114,7 @@ int i915_restore_state(struct drm_device *dev)
 
 	mutex_lock(&dev->struct_mutex);
 
-	i915_gem_restore_fences(dev);
+	i915_gem_restore_fences(dev_priv);
 
 	if (IS_GEN4(dev_priv))
 		pci_write_config_word(pdev, GCDGMBUS,