diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fence.c')
-rw-r--r-- | drivers/gpu/drm/msm/msm_fence.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c index b92a9091a1e2..f2cece542c3f 100644 --- a/drivers/gpu/drm/msm/msm_fence.c +++ b/drivers/gpu/drm/msm/msm_fence.c @@ -24,7 +24,6 @@ msm_fence_context_alloc(struct drm_device *dev, volatile uint32_t *fenceptr, strncpy(fctx->name, name, sizeof(fctx->name)); fctx->context = dma_fence_context_alloc(1); fctx->fenceptr = fenceptr; - init_waitqueue_head(&fctx->event); spin_lock_init(&fctx->spinlock); return fctx; @@ -45,53 +44,12 @@ static inline bool fence_completed(struct msm_fence_context *fctx, uint32_t fenc (int32_t)(*fctx->fenceptr - fence) >= 0; } -/* legacy path for WAIT_FENCE ioctl: */ -int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence, - ktime_t *timeout, bool interruptible) -{ - int ret; - - if (fence > fctx->last_fence) { - DRM_ERROR_RATELIMITED("%s: waiting on invalid fence: %u (of %u)\n", - fctx->name, fence, fctx->last_fence); - return -EINVAL; - } - - if (!timeout) { - /* no-wait: */ - ret = fence_completed(fctx, fence) ? 0 : -EBUSY; - } else { - unsigned long remaining_jiffies = timeout_to_jiffies(timeout); - - if (interruptible) - ret = wait_event_interruptible_timeout(fctx->event, - fence_completed(fctx, fence), - remaining_jiffies); - else - ret = wait_event_timeout(fctx->event, - fence_completed(fctx, fence), - remaining_jiffies); - - if (ret == 0) { - DBG("timeout waiting for fence: %u (completed: %u)", - fence, fctx->completed_fence); - ret = -ETIMEDOUT; - } else if (ret != -ERESTARTSYS) { - ret = 0; - } - } - - return ret; -} - /* called from workqueue */ void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence) { spin_lock(&fctx->spinlock); fctx->completed_fence = max(fence, fctx->completed_fence); spin_unlock(&fctx->spinlock); - - wake_up_all(&fctx->event); } struct msm_fence { |