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 3485 184 264 3933 f5d drivers/gpu/drm/qxl/qxl_ttm.o
File size After adding 'const': text data bss dec hex filename 3501 152 264 3917 f4d drivers/gpu/drm/qxl/qxl_ttm.o
Signed-off-by: Arvind Yadav arvind.yadav.cs@gmail.com --- drivers/gpu/drm/qxl/qxl_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c index 0fdedee..900fb8a 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -187,7 +187,7 @@ static void qxl_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *placement) { struct qxl_bo *qbo; - static struct ttm_place placements = { + static const struct ttm_place placements = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM