From: Christian K?nig <christian.koe...@amd.com>

Check always when we calculate the free dw, not just the first time.

Signed-off-by: Christian K?nig <christian.koenig at amd.com>
---
 drivers/gpu/drm/radeon/radeon_ring.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c 
b/drivers/gpu/drm/radeon/radeon_ring.c
index bf8b9ad..8bc5298 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -349,7 +349,10 @@ void radeon_ring_free_size(struct radeon_device *rdev, 
struct radeon_ring *ring)
        ring->ring_free_dw -= ring->wptr;
        ring->ring_free_dw &= ring->ptr_mask;
        if (!ring->ring_free_dw) {
+               /* this is an empty ring */
                ring->ring_free_dw = ring->ring_size / 4;
+               /*  update lockup info to avoid false positive */
+               radeon_ring_lockup_update(rdev, ring);
        }
 }

@@ -373,12 +376,6 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct 
radeon_ring *ring, unsi
        /* Align requested size with padding so unlock_commit can
         * pad safely */
        radeon_ring_free_size(rdev, ring);
-       if (ring->ring_free_dw == (ring->ring_size / 4)) {
-               /* This is an empty ring update lockup info to avoid
-                * false positive.
-                */
-               radeon_ring_lockup_update(rdev, ring);
-       }
        ndw = (ndw + ring->align_mask) & ~ring->align_mask;
        while (ndw > (ring->ring_free_dw - 1)) {
                radeon_ring_free_size(rdev, ring);
-- 
1.8.3.2

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