diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fence.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 69902e623cbc..9e7f8921714a 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -368,6 +368,27 @@ void radeon_fence_process(struct radeon_device *rdev, int ring) } } +int radeon_fence_count_emitted(struct radeon_device *rdev, int ring) +{ + unsigned long irq_flags; + int not_processed = 0; + + read_lock_irqsave(&rdev->fence_lock, irq_flags); + if (!rdev->fence_drv[ring].initialized) + return 0; + + if (!list_empty(&rdev->fence_drv[ring].emitted)) { + struct list_head *ptr; + list_for_each(ptr, &rdev->fence_drv[ring].emitted) { + /* count up to 3, that's enought info */ + if (++not_processed >= 3) + break; + } + } + read_unlock_irqrestore(&rdev->fence_lock, irq_flags); + return not_processed; +} + int radeon_fence_driver_init(struct radeon_device *rdev, int num_rings) { unsigned long irq_flags; |