From: Christian König <deathsimple@xxxxxxxxxxx>
That should aid in debugging multi ring lockups.
v2 rebase on top of debugfs removal
Signed-off-by: Christian König <deathsimple@xxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_fence.c | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 91b48ac..6377f8c 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -233,6 +233,7 @@ struct radeon_fence {
bool signaled;
/* RB, DMA, etc. */
int ring;
+ unsigned emitted_at;
struct radeon_semaphore *semaphore;
struct radeon_ib *ib;
};
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 2868eda..2e56101 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -71,6 +71,7 @@ int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence)
return 0;
}
fence->seq = atomic_add_return(1, &rdev->fence_drv[fence->ring].seq);
+ fence->emitted_at = rdev->ring[fence->ring].wptr;
radeon_fence_ring_emit(rdev, fence->ring, fence);
trace_radeon_fence_emit(rdev->ddev, fence->seq);
fence->emitted = true;
--
1.7.7.6
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