[PATCH 1/5] drm/xe: make xe_ttm_funcs const

[Jani Nikula]

Place the function pointers in rodata. Also drop the extra declaration
while at it.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/xe/xe_bo.c | 2 +-
 drivers/gpu/drm/xe/xe_bo.h | 2 +-
 drivers/gpu/drm/xe/xe_vm.h | 2 --
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 26fe73f58d72..686d716c5581 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -1041,7 +1041,7 @@ static void xe_ttm_bo_delete_mem_notify(struct ttm_buffer_object *ttm_bo)
 	}
 }
 
-struct ttm_device_funcs xe_ttm_funcs = {
+const struct ttm_device_funcs xe_ttm_funcs = {
 	.ttm_tt_create = xe_ttm_tt_create,
 	.ttm_tt_populate = xe_ttm_tt_populate,
 	.ttm_tt_unpopulate = xe_ttm_tt_unpopulate,
diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h
index 350cc73cadf8..db4b2db6b073 100644
--- a/drivers/gpu/drm/xe/xe_bo.h
+++ b/drivers/gpu/drm/xe/xe_bo.h
@@ -243,7 +243,7 @@ int xe_bo_evict(struct xe_bo *bo, bool force_alloc);
 int xe_bo_evict_pinned(struct xe_bo *bo);
 int xe_bo_restore_pinned(struct xe_bo *bo);
 
-extern struct ttm_device_funcs xe_ttm_funcs;
+extern const struct ttm_device_funcs xe_ttm_funcs;
 
 int xe_gem_create_ioctl(struct drm_device *dev, void *data,
 			struct drm_file *file);
diff --git a/drivers/gpu/drm/xe/xe_vm.h b/drivers/gpu/drm/xe/xe_vm.h
index cf2f96e8c1ab..e9c907cbcd89 100644
--- a/drivers/gpu/drm/xe/xe_vm.h
+++ b/drivers/gpu/drm/xe/xe_vm.h
@@ -199,8 +199,6 @@ struct dma_fence *xe_vm_rebind(struct xe_vm *vm, bool rebind_worker);
 
 int xe_vm_invalidate_vma(struct xe_vma *vma);
 
-extern struct ttm_device_funcs xe_ttm_funcs;
-
 static inline void xe_vm_queue_rebind_worker(struct xe_vm *vm)
 {
 	xe_assert(vm->xe, xe_vm_in_preempt_fence_mode(vm));
-- 
2.39.2