diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fence.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_fence.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_fence.h b/drivers/gpu/drm/msm/msm_fence.h index 7f1798c54cd1..148196375a0b 100644 --- a/drivers/gpu/drm/msm/msm_fence.h +++ b/drivers/gpu/drm/msm/msm_fence.h @@ -52,6 +52,26 @@ struct msm_fence_context { volatile uint32_t *fenceptr; spinlock_t spinlock; + + /* + * TODO this doesn't really deal with multiple deadlines, like + * if userspace got multiple frames ahead.. OTOH atomic updates + * don't queue, so maybe that is ok + */ + + /** next_deadline: Time of next deadline */ + ktime_t next_deadline; + + /** + * next_deadline_fence: + * + * Fence value for next pending deadline. The deadline timer is + * canceled when this fence is signaled. + */ + uint32_t next_deadline_fence; + + struct hrtimer deadline_timer; + struct kthread_work deadline_work; }; struct msm_fence_context * msm_fence_context_alloc(struct drm_device *dev, @@ -61,7 +81,8 @@ void msm_fence_context_free(struct msm_fence_context *fctx); bool msm_fence_completed(struct msm_fence_context *fctx, uint32_t fence); void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence); -struct dma_fence * msm_fence_alloc(struct msm_fence_context *fctx); +struct dma_fence * msm_fence_alloc(void); +void msm_fence_init(struct dma_fence *fence, struct msm_fence_context *fctx); static inline bool fence_before(uint32_t a, uint32_t b) |