drm/i915: split out gem/i915_gem_create.h from i915_drv.h

We already have the gem/i915_gem_create.c file.

Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f4d5108498ce10fff8577520276d40e86b2d5a16.1644507885.git.jani.nikula@intel.com

drivers/gpu/drm/i915/gem/i915_gem_create.c

@@ -9,6 +9,7 @@
 #include "pxp/intel_pxp.h"
 
 #include "i915_drv.h"
+#include "i915_gem_create.h"
 #include "i915_trace.h"
 #include "i915_user_extensions.h"
 

drivers/gpu/drm/i915/gem/i915_gem_create.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef __I915_GEM_CREATE_H__
+#define __I915_GEM_CREATE_H__
+
+struct drm_file;
+struct drm_device;
+struct drm_mode_create_dumb;
+
+int i915_gem_dumb_create(struct drm_file *file_priv,
+			 struct drm_device *dev,
+			 struct drm_mode_create_dumb *args);
+
+#endif /* __I915_GEM_CREATE_H__ */

drivers/gpu/drm/i915/i915_driver.c

@@ -62,6 +62,7 @@
 #include "display/intel_vga.h"
 
 #include "gem/i915_gem_context.h"
+#include "gem/i915_gem_create.h"
 #include "gem/i915_gem_dmabuf.h"
 #include "gem/i915_gem_ioctls.h"
 #include "gem/i915_gem_mman.h"

drivers/gpu/drm/i915/i915_drv.h

@@ -1597,10 +1597,6 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
 
 void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv);
 
-int i915_gem_dumb_create(struct drm_file *file_priv,
-			 struct drm_device *dev,
-			 struct drm_mode_create_dumb *args);
-
 int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno);
 
 static inline u32 i915_reset_count(struct i915_gpu_error *error)