[PATCH 01/11] drm/ttm: cleanup coding style in ttm_bo_api.h

Christian König deathsimple at vodafone.de
Wed May 10 11:43:51 UTC 2017


Ping, could anybody take a look at this set?

Thanks,
Christian.

Am 27.04.2017 um 18:23 schrieb Christian König:
> From: Christian König <christian.koenig at amd.com>
>
> Extern is the default for function declerations anyway and this
> solves a bunch of 80char per line issues.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
>   include/drm/ttm/ttm_bo_api.h | 135 ++++++++++++++++++-------------------------
>   1 file changed, 56 insertions(+), 79 deletions(-)
>
> diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
> index 3b302a5..425f3b4 100644
> --- a/include/drm/ttm/ttm_bo_api.h
> +++ b/include/drm/ttm/ttm_bo_api.h
> @@ -288,8 +288,7 @@ ttm_bo_reference(struct ttm_buffer_object *bo)
>    * Returns -EBUSY if no_wait is true and the buffer is busy.
>    * Returns -ERESTARTSYS if interrupted by a signal.
>    */
> -extern int ttm_bo_wait(struct ttm_buffer_object *bo,
> -		       bool interruptible, bool no_wait);
> +int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait);
>   
>   /**
>    * ttm_bo_mem_compat - Check if proposed placement is compatible with a bo
> @@ -300,9 +299,8 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo,
>    *
>    * Returns true if the placement is compatible
>    */
> -extern bool ttm_bo_mem_compat(struct ttm_placement *placement,
> -			      struct ttm_mem_reg *mem,
> -			      uint32_t *new_flags);
> +bool ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_mem_reg *mem,
> +		       uint32_t *new_flags);
>   
>   /**
>    * ttm_bo_validate
> @@ -320,10 +318,10 @@ extern bool ttm_bo_mem_compat(struct ttm_placement *placement,
>    * -EBUSY if no_wait is true and buffer busy.
>    * -ERESTARTSYS if interrupted by a signal.
>    */
> -extern int ttm_bo_validate(struct ttm_buffer_object *bo,
> -				struct ttm_placement *placement,
> -				bool interruptible,
> -				bool no_wait_gpu);
> +int ttm_bo_validate(struct ttm_buffer_object *bo,
> +		    struct ttm_placement *placement,
> +		    bool interruptible,
> +		    bool no_wait_gpu);
>   
>   /**
>    * ttm_bo_unref
> @@ -332,7 +330,7 @@ extern int ttm_bo_validate(struct ttm_buffer_object *bo,
>    *
>    * Unreference and clear a pointer to a buffer object.
>    */
> -extern void ttm_bo_unref(struct ttm_buffer_object **bo);
> +void ttm_bo_unref(struct ttm_buffer_object **bo);
>   
>   
>   /**
> @@ -344,8 +342,8 @@ extern void ttm_bo_unref(struct ttm_buffer_object **bo);
>    *
>    * Release @count lru list references to this buffer object.
>    */
> -extern void ttm_bo_list_ref_sub(struct ttm_buffer_object *bo, int count,
> -				bool never_free);
> +void ttm_bo_list_ref_sub(struct ttm_buffer_object *bo, int count,
> +			 bool never_free);
>   
>   /**
>    * ttm_bo_add_to_lru
> @@ -357,7 +355,7 @@ extern void ttm_bo_list_ref_sub(struct ttm_buffer_object *bo, int count,
>    * This function must be called with struct ttm_bo_global::lru_lock held, and
>    * is typically called immediately prior to unreserving a bo.
>    */
> -extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
> +void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
>   
>   /**
>    * ttm_bo_del_from_lru
> @@ -369,7 +367,7 @@ extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
>    * and is usually called just immediately after the bo has been reserved to
>    * avoid recursive reservation from lru lists.
>    */
> -extern int ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
> +int ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
>   
>   /**
>    * ttm_bo_move_to_lru_tail
> @@ -380,7 +378,7 @@ extern int ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
>    * object. This function must be called with struct ttm_bo_global::lru_lock
>    * held, and is used to make a BO less likely to be considered for eviction.
>    */
> -extern void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
> +void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
>   
>   /**
>    * ttm_bo_lock_delayed_workqueue
> @@ -389,15 +387,14 @@ extern void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
>    * Returns
>    * True if the workqueue was queued at the time
>    */
> -extern int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev);
> +int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev);
>   
>   /**
>    * ttm_bo_unlock_delayed_workqueue
>    *
>    * Allows the delayed workqueue to run.
>    */
> -extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev,
> -					    int resched);
> +void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched);
>   
>   /**
>    * ttm_bo_eviction_valuable
> @@ -424,8 +421,7 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
>    * -EBUSY if the buffer is busy and no_wait is true.
>    * -ERESTARTSYS if interrupted by a signal.
>    */
> -extern int
> -ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait);
> +int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait);
>   
>   /**
>    * ttm_bo_synccpu_write_release:
> @@ -434,7 +430,7 @@ ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait);
>    *
>    * Releases a synccpu lock.
>    */
> -extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
> +void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
>   
>   /**
>    * ttm_bo_acc_size
> @@ -493,18 +489,18 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
>    * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
>    */
>   
> -extern int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
> -				struct ttm_buffer_object *bo,
> -				unsigned long size,
> -				enum ttm_bo_type type,
> -				struct ttm_placement *placement,
> -				uint32_t page_alignment,
> -				bool interrubtible,
> -				struct file *persistent_swap_storage,
> -				size_t acc_size,
> -				struct sg_table *sg,
> -				struct reservation_object *resv,
> -				void (*destroy) (struct ttm_buffer_object *));
> +int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
> +			 struct ttm_buffer_object *bo,
> +			 unsigned long size,
> +			 enum ttm_bo_type type,
> +			 struct ttm_placement *placement,
> +			 uint32_t page_alignment,
> +			 bool interrubtible,
> +			 struct file *persistent_swap_storage,
> +			 size_t acc_size,
> +			 struct sg_table *sg,
> +			 struct reservation_object *resv,
> +			 void (*destroy) (struct ttm_buffer_object *));
>   
>   /**
>    * ttm_bo_init
> @@ -544,19 +540,13 @@ extern int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
>    * -EINVAL: Invalid placement flags.
>    * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
>    */
> -
> -extern int ttm_bo_init(struct ttm_bo_device *bdev,
> -			struct ttm_buffer_object *bo,
> -			unsigned long size,
> -			enum ttm_bo_type type,
> -			struct ttm_placement *placement,
> -			uint32_t page_alignment,
> -			bool interrubtible,
> -			struct file *persistent_swap_storage,
> -			size_t acc_size,
> -			struct sg_table *sg,
> -			struct reservation_object *resv,
> -			void (*destroy) (struct ttm_buffer_object *));
> +int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
> +		unsigned long size, enum ttm_bo_type type,
> +		struct ttm_placement *placement,
> +		uint32_t page_alignment, bool interrubtible,
> +		struct file *persistent_swap_storage, size_t acc_size,
> +		struct sg_table *sg, struct reservation_object *resv,
> +		void (*destroy) (struct ttm_buffer_object *));
>   
>   /**
>    * ttm_bo_create
> @@ -582,15 +572,11 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
>    * -EINVAL: Invalid placement flags.
>    * -ERESTARTSYS: Interrupted by signal while waiting for resources.
>    */
> -
> -extern int ttm_bo_create(struct ttm_bo_device *bdev,
> -				unsigned long size,
> -				enum ttm_bo_type type,
> -				struct ttm_placement *placement,
> -				uint32_t page_alignment,
> -				bool interruptible,
> -				struct file *persistent_swap_storage,
> -				struct ttm_buffer_object **p_bo);
> +int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size,
> +		  enum ttm_bo_type type, struct ttm_placement *placement,
> +		  uint32_t page_alignment, bool interruptible,
> +		  struct file *persistent_swap_storage,
> +		  struct ttm_buffer_object **p_bo);
>   
>   /**
>    * ttm_bo_init_mm
> @@ -607,9 +593,9 @@ extern int ttm_bo_create(struct ttm_bo_device *bdev,
>    * -ENOMEM: Not enough memory.
>    * May also return driver-specified errors.
>    */
> +int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
> +		   unsigned long p_size);
>   
> -extern int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
> -				unsigned long p_size);
>   /**
>    * ttm_bo_clean_mm
>    *
> @@ -636,8 +622,7 @@ extern int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
>    * -EINVAL: invalid or uninitialized memory type.
>    * -EBUSY: There are still buffers left in this memory type.
>    */
> -
> -extern int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
> +int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
>   
>   /**
>    * ttm_bo_evict_mm
> @@ -657,8 +642,7 @@ extern int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
>    * -ERESTARTSYS: The call was interrupted by a signal while waiting to
>    * evict a buffer.
>    */
> -
> -extern int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
> +int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
>   
>   /**
>    * ttm_kmap_obj_virtual
> @@ -671,7 +655,6 @@ extern int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
>    * If *is_iomem is 1 on return, the virtual address points to an io memory area,
>    * that should strictly be accessed by the iowriteXX() and similar functions.
>    */
> -
>   static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map,
>   					 bool *is_iomem)
>   {
> @@ -695,9 +678,8 @@ static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map,
>    * -ENOMEM: Out of memory.
>    * -EINVAL: Invalid range.
>    */
> -
> -extern int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
> -		       unsigned long num_pages, struct ttm_bo_kmap_obj *map);
> +int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
> +		unsigned long num_pages, struct ttm_bo_kmap_obj *map);
>   
>   /**
>    * ttm_bo_kunmap
> @@ -706,8 +688,7 @@ extern int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
>    *
>    * Unmaps a kernel map set up by ttm_bo_kmap.
>    */
> -
> -extern void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
> +void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
>   
>   /**
>    * ttm_fbdev_mmap - mmap fbdev memory backed by a ttm buffer object.
> @@ -719,9 +700,7 @@ extern void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
>    * This function is intended to be called by the fbdev mmap method
>    * if the fbdev address space is to be backed by a bo.
>    */
> -
> -extern int ttm_fbdev_mmap(struct vm_area_struct *vma,
> -			  struct ttm_buffer_object *bo);
> +int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
>   
>   /**
>    * ttm_bo_default_iomem_pfn - get a pfn for a page offset
> @@ -744,9 +723,8 @@ unsigned long ttm_bo_default_io_mem_pfn(struct ttm_buffer_object *bo,
>    * This function is intended to be called by the device mmap method.
>    * if the device address space is to be backed by the bo manager.
>    */
> -
> -extern int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
> -		       struct ttm_bo_device *bdev);
> +int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
> +		struct ttm_bo_device *bdev);
>   
>   /**
>    * ttm_bo_io
> @@ -768,11 +746,10 @@ extern int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
>    * the function may return -ERESTARTSYS if
>    * interrupted by a signal.
>    */
> +ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
> +		  const char __user *wbuf, char __user *rbuf,
> +		  size_t count, loff_t *f_pos, bool write);
>   
> -extern ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
> -			 const char __user *wbuf, char __user *rbuf,
> -			 size_t count, loff_t *f_pos, bool write);
> -
> -extern void ttm_bo_swapout_all(struct ttm_bo_device *bdev);
> -extern int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo);
> +void ttm_bo_swapout_all(struct ttm_bo_device *bdev);
> +int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo);
>   #endif




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