drm/ttm: Include <linux/export.h>

Fix the compile-time warnings

  drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/tests/ttm_mock_manager.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_agp_backend.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_backup.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_bo.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_bo_util.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_bo_vm.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_device.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_execbuf_util.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_pool.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_range_manager.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_resource.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/gpu/drm/ttm/ttm_tt.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: a934a57a42 ("scripts/misc-check: check missing #include <linux/export.h> when W=1")
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20250612121633.229222-10-tzimmermann@suse.de

drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c

@@ -2,6 +2,9 @@
 /*
  * Copyright © 2023 Intel Corporation
  */
+
+#include <linux/export.h>
+
 #include <drm/ttm/ttm_tt.h>
 
 #include "ttm_kunit_helpers.h"

drivers/gpu/drm/ttm/tests/ttm_mock_manager.c

@@ -2,6 +2,9 @@
 /*
  * Copyright © 2023 Intel Corporation
  */
+
+#include <linux/export.h>
+
 #include <drm/ttm/ttm_resource.h>
 #include <drm/ttm/ttm_device.h>
 #include <drm/ttm/ttm_placement.h>

drivers/gpu/drm/ttm/ttm_agp_backend.c

@@ -36,6 +36,7 @@
 #include <drm/ttm/ttm_tt.h>
 #include <drm/ttm/ttm_resource.h>
 #include <linux/agp_backend.h>
+#include <linux/export.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/io.h>

drivers/gpu/drm/ttm/ttm_backup.c

@@ -4,6 +4,8 @@
  */
 
 #include <drm/ttm/ttm_backup.h>
+
+#include <linux/export.h>
 #include <linux/page-flags.h>
 #include <linux/swap.h>
 

drivers/gpu/drm/ttm/ttm_bo.c

@@ -35,6 +35,7 @@
 #include <drm/ttm/ttm_placement.h>
 #include <drm/ttm/ttm_tt.h>
 
+#include <linux/export.h>
 #include <linux/jiffies.h>
 #include <linux/slab.h>
 #include <linux/sched.h>

drivers/gpu/drm/ttm/ttm_bo_util.c

@@ -28,6 +28,8 @@
 /*
  * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
  */
+
+#include <linux/export.h>
 #include <linux/swap.h>
 #include <linux/vmalloc.h>
 

drivers/gpu/drm/ttm/ttm_bo_vm.c

@@ -31,6 +31,8 @@
 
 #define pr_fmt(fmt) "[TTM] " fmt
 
+#include <linux/export.h>
+
 #include <drm/ttm/ttm_bo.h>
 #include <drm/ttm/ttm_placement.h>
 #include <drm/ttm/ttm_tt.h>

drivers/gpu/drm/ttm/ttm_device.c

@@ -28,6 +28,7 @@
 #define pr_fmt(fmt) "[TTM DEVICE] " fmt
 
 #include <linux/debugfs.h>
+#include <linux/export.h>
 #include <linux/mm.h>
 
 #include <drm/ttm/ttm_bo.h>

drivers/gpu/drm/ttm/ttm_execbuf_util.c

@@ -26,6 +26,8 @@
  *
  **************************************************************************/
 
+#include <linux/export.h>
+
 #include <drm/ttm/ttm_execbuf_util.h>
 #include <drm/ttm/ttm_bo.h>
 

drivers/gpu/drm/ttm/ttm_pool.c

@@ -31,6 +31,7 @@
  * cause they are rather slow compared to alloc_pages+map.
  */
 
+#include <linux/export.h>
 #include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <linux/debugfs.h>

drivers/gpu/drm/ttm/ttm_range_manager.c

@@ -34,6 +34,8 @@
 #include <drm/ttm/ttm_range_manager.h>
 #include <drm/ttm/ttm_bo.h>
 #include <drm/drm_mm.h>
+
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 

drivers/gpu/drm/ttm/ttm_resource.c

@@ -23,6 +23,7 @@
  */
 
 #include <linux/debugfs.h>
+#include <linux/export.h>
 #include <linux/io-mapping.h>
 #include <linux/iosys-map.h>
 #include <linux/scatterlist.h>

drivers/gpu/drm/ttm/ttm_tt.c

@@ -33,6 +33,7 @@
 
 #include <linux/cc_platform.h>
 #include <linux/debugfs.h>
+#include <linux/export.h>
 #include <linux/file.h>
 #include <linux/module.h>
 #include <linux/sched.h>