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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c71
1 files changed, 26 insertions, 45 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 30dce235ddeb..78e9b0f14661 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -67,8 +67,6 @@ void amdgpu_ring_free_size(struct amdgpu_ring *ring)
if (!ring->ring_free_dw) {
/* this is an empty ring */
ring->ring_free_dw = ring->ring_size / 4;
- /* update lockup info to avoid false positive */
- amdgpu_ring_lockup_update(ring);
}
}
@@ -209,46 +207,6 @@ void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring)
}
/**
- * amdgpu_ring_lockup_update - update lockup variables
- *
- * @ring: amdgpu_ring structure holding ring information
- *
- * Update the last rptr value and timestamp (all asics).
- */
-void amdgpu_ring_lockup_update(struct amdgpu_ring *ring)
-{
- atomic_set(&ring->last_rptr, amdgpu_ring_get_rptr(ring));
- atomic64_set(&ring->last_activity, jiffies_64);
-}
-
-/**
- * amdgpu_ring_test_lockup() - check if ring is lockedup by recording information
- * @ring: amdgpu_ring structure holding ring information
- *
- */
-bool amdgpu_ring_test_lockup(struct amdgpu_ring *ring)
-{
- uint32_t rptr = amdgpu_ring_get_rptr(ring);
- uint64_t last = atomic64_read(&ring->last_activity);
- uint64_t elapsed;
-
- if (rptr != atomic_read(&ring->last_rptr)) {
- /* ring is still working, no lockup */
- amdgpu_ring_lockup_update(ring);
- return false;
- }
-
- elapsed = jiffies_to_msecs(jiffies_64 - last);
- if (amdgpu_lockup_timeout && elapsed >= amdgpu_lockup_timeout) {
- dev_err(ring->adev->dev, "ring %d stalled for more than %llumsec\n",
- ring->idx, elapsed);
- return true;
- }
- /* give a chance to the GPU ... */
- return false;
-}
-
-/**
* amdgpu_ring_backup - Back up the content of a ring
*
* @ring: the ring we want to back up
@@ -436,7 +394,6 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
if (amdgpu_debugfs_ring_init(adev, ring)) {
DRM_ERROR("Failed to register debugfs file for rings !\n");
}
- amdgpu_ring_lockup_update(ring);
return 0;
}
@@ -479,6 +436,30 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring)
}
}
+/**
+ * amdgpu_ring_from_fence - get ring from fence
+ *
+ * @f: fence structure
+ *
+ * Extract the ring a fence belongs to. Handles both scheduler as
+ * well as hardware fences.
+ */
+struct amdgpu_ring *amdgpu_ring_from_fence(struct fence *f)
+{
+ struct amdgpu_fence *a_fence;
+ struct amd_sched_fence *s_fence;
+
+ s_fence = to_amd_sched_fence(f);
+ if (s_fence)
+ return container_of(s_fence->sched, struct amdgpu_ring, sched);
+
+ a_fence = to_amdgpu_fence(f);
+ if (a_fence)
+ return a_fence->ring;
+
+ return NULL;
+}
+
/*
* Debugfs info
*/
@@ -540,8 +521,8 @@ static int amdgpu_debugfs_ring_info(struct seq_file *m, void *data)
static int amdgpu_gfx_index = offsetof(struct amdgpu_device, gfx.gfx_ring[0]);
static int cayman_cp1_index = offsetof(struct amdgpu_device, gfx.compute_ring[0]);
static int cayman_cp2_index = offsetof(struct amdgpu_device, gfx.compute_ring[1]);
-static int amdgpu_dma1_index = offsetof(struct amdgpu_device, sdma[0].ring);
-static int amdgpu_dma2_index = offsetof(struct amdgpu_device, sdma[1].ring);
+static int amdgpu_dma1_index = offsetof(struct amdgpu_device, sdma.instance[0].ring);
+static int amdgpu_dma2_index = offsetof(struct amdgpu_device, sdma.instance[1].ring);
static int r600_uvd_index = offsetof(struct amdgpu_device, uvd.ring);
static int si_vce1_index = offsetof(struct amdgpu_device, vce.ring[0]);
static int si_vce2_index = offsetof(struct amdgpu_device, vce.ring[1]);