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authorIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
committerIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
commit97c53b402fcadb50201c23914f614bf8430d9c20 (patch)
tree3c9b94e866d150c3a2d8ac853e388c38fade8b45 /drivers/gpu/drm/radeon/r100.c
parent6a716c90a51338009c3bc1f460829afaed8f922d (diff)
parent5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff)
Merge tag 'v3.12' into core/locking to pick up mutex upates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 24175717307..d71333033b2 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2933,9 +2933,11 @@ static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
seq_printf(m, "%u dwords in ring\n", count);
- for (j = 0; j <= count; j++) {
- i = (rdp + j) & ring->ptr_mask;
- seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
+ if (ring->ready) {
+ for (j = 0; j <= count; j++) {
+ i = (rdp + j) & ring->ptr_mask;
+ seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
+ }
}
return 0;
}