drm/radeon: record what is next valid wptr for each ring v4

[linux-2.6-block.git] / drivers / gpu / drm / radeon / radeon_ring.c

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 087383408a8f155ccfdd8ec1dd4ac98da8c83459..ce8eb9d5af5d6f91f5712fdc3cc30820410acb33 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -451,6 +451,10 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
        count = (ring->ring_size / 4) - ring->ring_free_dw;
        seq_printf(m, "wptr(0x%04x): 0x%08x\n", ring->wptr_reg, RREG32(ring->wptr_reg));
        seq_printf(m, "rptr(0x%04x): 0x%08x\n", ring->rptr_reg, RREG32(ring->rptr_reg));
+       if (ring->rptr_save_reg) {
+               seq_printf(m, "rptr next(0x%04x): 0x%08x\n", ring->rptr_save_reg,
+                          RREG32(ring->rptr_save_reg));
+       }
        seq_printf(m, "driver's copy of the wptr: 0x%08x\n", ring->wptr);
        seq_printf(m, "driver's copy of the rptr: 0x%08x\n", ring->rptr);
        seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);