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-rw-r--r--shared-core/radeon_cp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index a087829e..285bd4d7 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -2863,6 +2863,8 @@ void radeon_commit_ring(drm_radeon_private_t *dev_priv)
dev_priv->ring.space -= num_p2 * sizeof(u32);
}
+
+ dev_priv->ring.tail &= dev_priv->ring.tail_mask;
DRM_MEMORYBARRIER();
GET_RING_HEAD( dev_priv );