ttm_place are not supposed to change at runtime. All functions working with ttm_place provided by <drm/ttm/ttm_placement.h> work with const ttm_place. So mark the non-const structs as const.

File size before: text data bss dec hex filename 2315 184 0 2499 9c3 drivers/gpu/drm/virtio/virtgpu_ttm.o

File size After adding 'const': text data bss dec hex filename 2347 152 0 2499 9c3 drivers/gpu/drm/virtio/virtgpu_ttm.o

Signed-off-by: Arvind Yadav arvind.yadav.cs@gmail.com --- drivers/gpu/drm/virtio/virtgpu_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c index 4e8e27d..012d5bc 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c @@ -234,7 +234,7 @@ static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, static void virtio_gpu_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *placement) { - static struct ttm_place placements = { + static const struct ttm_place placements = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM,