drm/i915: split out gem/i915_gem_tiling.h from i915_drv.h

We already have the gem/i915_gem_tiling.c file.
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8073a429ed1f8ade9c0cc8a6ed1a0f82183100c5.1641561552.git.jani.nikula@intel.com

drivers/gpu/drm/i915/gem/i915_gem_tiling.c

@@ -12,6 +12,7 @@
 #include "i915_gem_ioctls.h"
 #include "i915_gem_mman.h"
 #include "i915_gem_object.h"
+#include "i915_gem_tiling.h"
 
 /**
  * DOC: buffer object tiling

drivers/gpu/drm/i915/gem/i915_gem_tiling.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __I915_GEM_TILING_H__
+#define __I915_GEM_TILING_H__
+
+#include <linux/types.h>
+
+struct drm_i915_private;
+
+u32 i915_gem_fence_size(struct drm_i915_private *i915, u32 size,
+			unsigned int tiling, unsigned int stride);
+u32 i915_gem_fence_alignment(struct drm_i915_private *i915, u32 size,
+			     unsigned int tiling, unsigned int stride);
+
+#endif /* __I915_GEM_TILING_H__ */

drivers/gpu/drm/i915/i915_drv.h

@@ -1715,11 +1715,6 @@ static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_objec
 		i915_gem_object_is_tiled(obj);
 }
 
-u32 i915_gem_fence_size(struct drm_i915_private *dev_priv, u32 size,
-			unsigned int tiling, unsigned int stride);
-u32 i915_gem_fence_alignment(struct drm_i915_private *dev_priv, u32 size,
-			     unsigned int tiling, unsigned int stride);
-
 const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
 
 /* intel_device_info.c */

drivers/gpu/drm/i915/i915_vma.c

@@ -26,8 +26,8 @@
 #include <drm/drm_gem.h>
 
 #include "display/intel_frontbuffer.h"
-
 #include "gem/i915_gem_lmem.h"
+#include "gem/i915_gem_tiling.h"
 #include "gt/intel_engine.h"
 #include "gt/intel_engine_heartbeat.h"
 #include "gt/intel_gt.h"