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authorJack Xiao <[email protected]>2019-01-10 06:28:08 +0000
committerAlex Deucher <[email protected]>2019-06-21 14:30:45 +0000
commitef3e13238b5f27412651387ac4c210ba2d7ea312 (patch)
tree9fb69a81a63a4f5489b644c46df455ea80003db4 /drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
parentdrm/amdgpu: Add helper function amdgpu_ring_set_preempt_cond_exec (diff)
downloadkernel-ef3e13238b5f27412651387ac4c210ba2d7ea312.tar.gz
kernel-ef3e13238b5f27412651387ac4c210ba2d7ea312.zip
drm/amdgpu: add the trailing fence per ring
The trailing fence for ring is used to track the completion of preemption. Acked-by: Hawking Zhang <[email protected]> Signed-off-by: Jack Xiao <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 3a483f7e89c7..cbcaa7c0ae44 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -707,22 +707,30 @@ static int amdgpu_debugfs_fence_info(struct seq_file *m, void *data)
amdgpu_fence_process(ring);
seq_printf(m, "--- ring %d (%s) ---\n", i, ring->name);
- seq_printf(m, "Last signaled fence 0x%08x\n",
+ seq_printf(m, "Last signaled fence 0x%08x\n",
atomic_read(&ring->fence_drv.last_seq));
- seq_printf(m, "Last emitted 0x%08x\n",
+ seq_printf(m, "Last emitted 0x%08x\n",
ring->fence_drv.sync_seq);
+ if (ring->funcs->type == AMDGPU_RING_TYPE_GFX ||
+ ring->funcs->type == AMDGPU_RING_TYPE_SDMA) {
+ seq_printf(m, "Last signaled trailing fence 0x%08x\n",
+ le32_to_cpu(*ring->trail_fence_cpu_addr));
+ seq_printf(m, "Last emitted 0x%08x\n",
+ ring->trail_seq);
+ }
+
if (ring->funcs->type != AMDGPU_RING_TYPE_GFX)
continue;
/* set in CP_VMID_PREEMPT and preemption occurred */
- seq_printf(m, "Last preempted 0x%08x\n",
+ seq_printf(m, "Last preempted 0x%08x\n",
le32_to_cpu(*(ring->fence_drv.cpu_addr + 2)));
/* set in CP_VMID_RESET and reset occurred */
- seq_printf(m, "Last reset 0x%08x\n",
+ seq_printf(m, "Last reset 0x%08x\n",
le32_to_cpu(*(ring->fence_drv.cpu_addr + 4)));
/* Both preemption and reset occurred */
- seq_printf(m, "Last both 0x%08x\n",
+ seq_printf(m, "Last both 0x%08x\n",
le32_to_cpu(*(ring->fence_drv.cpu_addr + 6)));
}
return 0;