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drm/ttm: flip the switch, and convert to dma_fence

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Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
This commit is contained in:
Maarten Lankhorst
2014-04-02 17:14:48 +02:00
parent 2f453ed403
commit f2c24b83ae
25 changed files with 201 additions and 390 deletions
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2
include/drm/ttm/ttm_bo_api.h
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@@ -173,7 +173,6 @@ struct ttm_tt;
* @lru: List head for the lru list.
* @ddestroy: List head for the delayed destroy list.
* @swap: List head for swap LRU list.
* @sync_obj: Pointer to a synchronization object.
* @priv_flags: Flags describing buffer object internal state.
* @vma_node: Address space manager node.
* @offset: The current GPU offset, which can have different meanings
@@ -240,7 +239,6 @@ struct ttm_buffer_object {
* Members protected by a bo reservation.
*/
void *sync_obj;
unsigned long priv_flags;
struct drm_vma_offset_node vma_node;

26
include/drm/ttm/ttm_bo_driver.h
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@@ -312,11 +312,6 @@ struct ttm_mem_type_manager {
* @move: Callback for a driver to hook in accelerated functions to
* move a buffer.
* If set to NULL, a potentially slow memcpy() move is used.
* @sync_obj_signaled: See ttm_fence_api.h
* @sync_obj_wait: See ttm_fence_api.h
* @sync_obj_flush: See ttm_fence_api.h
* @sync_obj_unref: See ttm_fence_api.h
* @sync_obj_ref: See ttm_fence_api.h
*/
struct ttm_bo_driver {
@@ -418,23 +413,6 @@ struct ttm_bo_driver {
int (*verify_access) (struct ttm_buffer_object *bo,
struct file *filp);
/**
* In case a driver writer dislikes the TTM fence objects,
* the driver writer can replace those with sync objects of
* his / her own. If it turns out that no driver writer is
* using these. I suggest we remove these hooks and plug in
* fences directly. The bo driver needs the following functionality:
* See the corresponding functions in the fence object API
* documentation.
*/
bool (*sync_obj_signaled) (void *sync_obj);
int (*sync_obj_wait) (void *sync_obj,
bool lazy, bool interruptible);
int (*sync_obj_flush) (void *sync_obj);
void (*sync_obj_unref) (void **sync_obj);
void *(*sync_obj_ref) (void *sync_obj);
/* hook to notify driver about a driver move so it
* can do tiling things */
void (*move_notify)(struct ttm_buffer_object *bo,
@@ -1022,7 +1000,7 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
* ttm_bo_move_accel_cleanup.
*
* @bo: A pointer to a struct ttm_buffer_object.
* @sync_obj: A sync object that signals when moving is complete.
* @fence: A fence object that signals when moving is complete.
* @evict: This is an evict move. Don't return until the buffer is idle.
* @no_wait_gpu: Return immediately if the GPU is busy.
* @new_mem: struct ttm_mem_reg indicating where to move.
@@ -1036,7 +1014,7 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
*/
extern int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
void *sync_obj,
struct fence *fence,
bool evict, bool no_wait_gpu,
struct ttm_mem_reg *new_mem);
/**

10
include/drm/ttm/ttm_execbuf_util.h
View File

@@ -39,16 +39,11 @@
*
* @head: list head for thread-private list.
* @bo: refcounted buffer object pointer.
* @reserved: Indicates whether @bo has been reserved for validation.
* @removed: Indicates whether @bo has been removed from lru lists.
* @put_count: Number of outstanding references on bo::list_kref.
* @old_sync_obj: Pointer to a sync object about to be unreferenced
*/
struct ttm_validate_buffer {
struct list_head head;
struct ttm_buffer_object *bo;
void *old_sync_obj;
};
/**
@@ -100,7 +95,7 @@ extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
*
* @ticket: ww_acquire_ctx from reserve call
* @list: thread private list of ttm_validate_buffer structs.
* @sync_obj: The new sync object for the buffers.
* @fence: The new exclusive fence for the buffers.
*
* This function should be called when command submission is complete, and
* it will add a new sync object to bos pointed to by entries on @list.
@@ -109,6 +104,7 @@ extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
*/
extern void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket,
struct list_head *list, void *sync_obj);
struct list_head *list,
struct fence *fence);
#endif