Commit 1ad79759 authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/ttm: let struct ttm_device_funcs be placed in rodata 



Make the struct ttm_device_funcs pointers const so the data can be placed in rodata.

Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Huang Rui <ray.huang@amd.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230309123700.528641-1-jani.nikula@intel.com
parent 788557fb

drivers/gpu/drm/ttm/ttm_device.c

+1 −1
Original line number Diff line number Diff line
@@ -189,7 +189,7 @@ EXPORT_SYMBOL(ttm_device_swapout); 
 * Returns:

 * !0: Failure.

 */

int ttm_device_init(struct ttm_device *bdev, struct ttm_device_funcs *funcs,

int ttm_device_init(struct ttm_device *bdev, const struct ttm_device_funcs *funcs,

		    struct device *dev, struct address_space *mapping,

		    struct drm_vma_offset_manager *vma_manager,

		    bool use_dma_alloc, bool use_dma32)

include/drm/ttm/ttm_device.h

+2 −2
Original line number Diff line number Diff line
@@ -223,7 +223,7 @@ struct ttm_device { 
	 * @funcs: Function table for the device.

	 * Constant after bo device init

	 */

	struct ttm_device_funcs *funcs;

	const struct ttm_device_funcs *funcs;



	/**

	 * @sysman: Resource manager for the system domain.
@@ -287,7 +287,7 @@ static inline void ttm_set_driver_manager(struct ttm_device *bdev, int type, 
	bdev->man_drv[type] = manager;

}



int ttm_device_init(struct ttm_device *bdev, struct ttm_device_funcs *funcs,

int ttm_device_init(struct ttm_device *bdev, const struct ttm_device_funcs *funcs,

		    struct device *dev, struct address_space *mapping,

		    struct drm_vma_offset_manager *vma_manager,

		    bool use_dma_alloc, bool use_dma32);