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Commit 77ef8bbc authored by David Herrmann's avatar David Herrmann Committed by Dave Airlie
Browse files

drm: make drm_mm_init() return void 



There is no reason to return "int" as this function never fails.
Furthermore, several drivers (ast, sis) already depend on this.

Signed-off-by: default avatarDavid Herrmann <dh.herrmann@gmail.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 6ef92fbe

drivers/gpu/drm/drm_gem.c

+2 −6
Original line number Diff line number Diff line
@@ -108,12 +108,8 @@ drm_gem_init(struct drm_device *dev) 
		return -ENOMEM;

	}



	if (drm_mm_init(&mm->offset_manager, DRM_FILE_PAGE_OFFSET_START,

			DRM_FILE_PAGE_OFFSET_SIZE)) {

		drm_ht_remove(&mm->offset_hash);

		kfree(mm);

		return -ENOMEM;

	}

	drm_mm_init(&mm->offset_manager, DRM_FILE_PAGE_OFFSET_START,

		    DRM_FILE_PAGE_OFFSET_SIZE);



	return 0;

}

drivers/gpu/drm/drm_mm.c

+1 −3
Original line number Diff line number Diff line
@@ -669,7 +669,7 @@ int drm_mm_clean(struct drm_mm * mm) 
}

EXPORT_SYMBOL(drm_mm_clean);



int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size)

void drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size)

{

	INIT_LIST_HEAD(&mm->hole_stack);

	INIT_LIST_HEAD(&mm->unused_nodes);
@@ -690,8 +690,6 @@ int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size) 
	list_add_tail(&mm->head_node.hole_stack, &mm->hole_stack);



	mm->color_adjust = NULL;



	return 0;

}

EXPORT_SYMBOL(drm_mm_init);

drivers/gpu/drm/ttm/ttm_bo.c

+1 −5
Original line number Diff line number Diff line
@@ -1455,9 +1455,7 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev, 
		goto out_no_sys;



	bdev->addr_space_rb = RB_ROOT;

	ret = drm_mm_init(&bdev->addr_space_mm, file_page_offset, 0x10000000);

	if (unlikely(ret != 0))

		goto out_no_addr_mm;

	drm_mm_init(&bdev->addr_space_mm, file_page_offset, 0x10000000);



	INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue);

	INIT_LIST_HEAD(&bdev->ddestroy);
@@ -1471,8 +1469,6 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev, 
	mutex_unlock(&glob->device_list_mutex);



	return 0;

out_no_addr_mm:

	ttm_bo_clean_mm(bdev, 0);

out_no_sys:

	return ret;

}

drivers/gpu/drm/ttm/ttm_bo_manager.c

+1 −7
Original line number Diff line number Diff line
@@ -103,18 +103,12 @@ static int ttm_bo_man_init(struct ttm_mem_type_manager *man, 
			   unsigned long p_size)

{

	struct ttm_range_manager *rman;

	int ret;



	rman = kzalloc(sizeof(*rman), GFP_KERNEL);

	if (!rman)

		return -ENOMEM;



	ret = drm_mm_init(&rman->mm, 0, p_size);

	if (ret) {

		kfree(rman);

		return ret;

	}



	drm_mm_init(&rman->mm, 0, p_size);

	spin_lock_init(&rman->lock);

	man->priv = rman;

	return 0;

include/drm/drm_mm.h

+3 −3
Original line number Diff line number Diff line
@@ -275,7 +275,7 @@ static inline struct drm_mm_node *drm_mm_search_free_in_range_color( 
	return drm_mm_search_free_in_range_generic(mm, size, alignment, color,

						   start, end, best_match);

}

extern int drm_mm_init(struct drm_mm *mm,

extern void drm_mm_init(struct drm_mm *mm,

			unsigned long start,

			unsigned long size);

extern void drm_mm_takedown(struct drm_mm *mm);