drm/radeon: add radeon_fence_count_emited function
Split counting of emited fences out of power
management into a seperate function.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 69902e6..9e7f892 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -368,6 +368,27 @@
}
}
+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;