drm/amdgpu: fix next_rptr handling for debugfs

That somehow got lost.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 78e9b0f..d1f234d 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -487,7 +487,7 @@ static int amdgpu_debugfs_ring_info(struct seq_file *m, void *data)
        seq_printf(m, "rptr: 0x%08x [%5d]\n",
                   rptr, rptr);
 
-       rptr_next = ~0;
+       rptr_next = le32_to_cpu(*ring->next_rptr_cpu_addr);
 
        seq_printf(m, "driver's copy of the wptr: 0x%08x [%5d]\n",
                   ring->wptr, ring->wptr);