Release 4.15 drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
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*
* Copyright © 2011-2012 VMware, Inc., Palo Alto, CA., USA
* All Rights Reserved.
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* The above copyright notice and this permission notice (including the
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* of the Software.
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#ifndef _VMWGFX_FENCE_H_
#include <linux/dma-fence.h>
#include <linux/dma-fence-array.h>
#define VMW_FENCE_WAIT_TIMEOUT (5*HZ)
struct vmw_private;
struct vmw_fence_manager;
/**
*
*
*/
enum vmw_action_type {
VMW_ACTION_EVENT = 0,
VMW_ACTION_MAX
};
struct vmw_fence_action {
struct list_head head;
enum vmw_action_type type;
void (*seq_passed) (struct vmw_fence_action *action);
void (*cleanup) (struct vmw_fence_action *action);
};
struct vmw_fence_obj {
struct dma_fence base;
struct list_head head;
struct list_head seq_passed_actions;
void (*destroy)(struct vmw_fence_obj *fence);
};
extern struct vmw_fence_manager *
vmw_fence_manager_init(struct vmw_private *dev_priv);
extern void vmw_fence_manager_takedown(struct vmw_fence_manager *fman);
static inline void
vmw_fence_obj_unreference(struct vmw_fence_obj **fence_p)
{
struct vmw_fence_obj *fence = *fence_p;
*fence_p = NULL;
if (fence)
dma_fence_put(&fence->base);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Maarten Lankhorst | 28 | 73.68% | 1 | 33.33% |
| Thomas Hellstrom | 9 | 23.68% | 1 | 33.33% |
| Chris Wilson | 1 | 2.63% | 1 | 33.33% |
| Total | 38 | 100.00% | 3 | 100.00% |
static inline struct vmw_fence_obj *
vmw_fence_obj_reference(struct vmw_fence_obj *fence)
{
if (fence)
dma_fence_get(&fence->base);
return fence;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Maarten Lankhorst | 18 | 62.07% | 1 | 33.33% |
| Thomas Hellstrom | 10 | 34.48% | 1 | 33.33% |
| Chris Wilson | 1 | 3.45% | 1 | 33.33% |
| Total | 29 | 100.00% | 3 | 100.00% |
extern void vmw_fences_update(struct vmw_fence_manager *fman);
extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence);
extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence,
bool lazy,
bool interruptible, unsigned long timeout);
extern void vmw_fence_obj_flush(struct vmw_fence_obj *fence);
extern int vmw_fence_create(struct vmw_fence_manager *fman,
uint32_t seqno,
struct vmw_fence_obj **p_fence);
extern int vmw_user_fence_create(struct drm_file *file_priv,
struct vmw_fence_manager *fman,
uint32_t sequence,
struct vmw_fence_obj **p_fence,
uint32_t *p_handle);
extern int vmw_wait_dma_fence(struct vmw_fence_manager *fman,
struct dma_fence *fence);
extern void vmw_fence_fifo_up(struct vmw_fence_manager *fman);
extern void vmw_fence_fifo_down(struct vmw_fence_manager *fman);
extern int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_event_fence_action_queue(struct drm_file *filee_priv,
struct vmw_fence_obj *fence,
struct drm_pending_event *event,
uint32_t *tv_sec,
uint32_t *tv_usec,
bool interruptible);
#endif /* _VMWGFX_FENCE_H_ */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Hellstrom | 356 | 83.18% | 4 | 50.00% |
| Maarten Lankhorst | 49 | 11.45% | 1 | 12.50% |
| Sinclair Yeh | 19 | 4.44% | 2 | 25.00% |
| Chris Wilson | 4 | 0.93% | 1 | 12.50% |
| Total | 428 | 100.00% | 8 | 100.00% |
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