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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: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230309123700.528641-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2023-03-09 14:37:00 +02:00
parent 788557fb23
commit 1ad797597a
2 changed files with 3 additions and 3 deletions
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2
drivers/gpu/drm/ttm/ttm_device.c
View File

@ -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)

4
include/drm/ttm/ttm_device.h
View File

@ -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);