drm/i915: move i915_map_type into i915_gem_object_types.h

Looks like it belongs there anyway, otherwise we have to include the
entirety of i915_gem_object.h just to get at the enum.

Signed-off-by: Matthew Auld <[e-mail]>
Reviewed-by: Chris Wilson <[e-mail]>
Signed-off-by: Chris Wilson <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/i915/gem/i915_gem_object.h

···
 void i915_gem_object_truncate(struct drm_i915_gem_object *obj);
 void i915_gem_object_writeback(struct drm_i915_gem_object *obj);
 
-enum i915_map_type {
-	I915_MAP_WB = 0,
-	I915_MAP_WC,
-#define I915_MAP_OVERRIDE BIT(31)
-	I915_MAP_FORCE_WB = I915_MAP_WB | I915_MAP_OVERRIDE,
-	I915_MAP_FORCE_WC = I915_MAP_WC | I915_MAP_OVERRIDE,
-};
-
 /**
  * i915_gem_object_pin_map - return a contiguous mapping of the entire object
  * @obj: the object to map into kernel address space

drivers/gpu/drm/i915/gem/i915_gem_object_types.h

···
 	const char *name; /* friendly name for debug, e.g. lockdep classes */
 };
 
+enum i915_map_type {
+	I915_MAP_WB = 0,
+	I915_MAP_WC,
+#define I915_MAP_OVERRIDE BIT(31)
+	I915_MAP_FORCE_WB = I915_MAP_WB | I915_MAP_OVERRIDE,
+	I915_MAP_FORCE_WC = I915_MAP_WC | I915_MAP_OVERRIDE,
+};
+
 enum i915_mmap_type {
 	I915_MMAP_TYPE_GTT = 0,
 	I915_MMAP_TYPE_WC,