drm/xe: make xe_ttm_funcs const

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

Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240117122044.1544174-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 26fe73f58d72071c291238f8393a76789360d5b1..686d716c55815803f1f6299f45b9cab4cb3b7d91 100644 (file)
--- 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 350cc73cadf8d802e0f297dc3bfe8c3e0bb50a01..db4b2db6b07307bd76249eb4035e460ba8c6a030 100644 (file)
--- 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 cf2f96e8c1ab92245b69dd8853c90d5e128262fd..e9c907cbcd891e111f97533d76cade789a873fc2 100644 (file)
--- 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));