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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.c93
1 files changed, 4 insertions, 89 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index e5c83e164d82..a7e1d0425ed0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -48,9 +48,6 @@
* wptr. The GPU then starts fetching commands and executes
* them until the pointers are equal again.
*/
-static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
- struct amdgpu_ring *ring);
-static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring);
/**
* amdgpu_ring_alloc - allocate space on the ring buffer
@@ -154,76 +151,6 @@ void amdgpu_ring_undo(struct amdgpu_ring *ring)
}
/**
- * amdgpu_ring_priority_put - restore a ring's priority
- *
- * @ring: amdgpu_ring structure holding the information
- * @priority: target priority
- *
- * Release a request for executing at @priority
- */
-void amdgpu_ring_priority_put(struct amdgpu_ring *ring,
- enum drm_sched_priority priority)
-{
- int i;
-
- if (!ring->funcs->set_priority)
- return;
-
- if (atomic_dec_return(&ring->num_jobs[priority]) > 0)
- return;
-
- /* no need to restore if the job is already at the lowest priority */
- if (priority == DRM_SCHED_PRIORITY_NORMAL)
- return;
-
- mutex_lock(&ring->priority_mutex);
- /* something higher prio is executing, no need to decay */
- if (ring->priority > priority)
- goto out_unlock;
-
- /* decay priority to the next level with a job available */
- for (i = priority; i >= DRM_SCHED_PRIORITY_MIN; i--) {
- if (i == DRM_SCHED_PRIORITY_NORMAL
- || atomic_read(&ring->num_jobs[i])) {
- ring->priority = i;
- ring->funcs->set_priority(ring, i);
- break;
- }
- }
-
-out_unlock:
- mutex_unlock(&ring->priority_mutex);
-}
-
-/**
- * amdgpu_ring_priority_get - change the ring's priority
- *
- * @ring: amdgpu_ring structure holding the information
- * @priority: target priority
- *
- * Request a ring's priority to be raised to @priority (refcounted).
- */
-void amdgpu_ring_priority_get(struct amdgpu_ring *ring,
- enum drm_sched_priority priority)
-{
- if (!ring->funcs->set_priority)
- return;
-
- if (atomic_inc_return(&ring->num_jobs[priority]) <= 0)
- return;
-
- mutex_lock(&ring->priority_mutex);
- if (priority <= ring->priority)
- goto out_unlock;
-
- ring->priority = priority;
- ring->funcs->set_priority(ring, priority);
-
-out_unlock:
- mutex_unlock(&ring->priority_mutex);
-}
-
-/**
* amdgpu_ring_init - init driver ring struct.
*
* @adev: amdgpu_device pointer
@@ -334,10 +261,6 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
for (i = 0; i < DRM_SCHED_PRIORITY_MAX; ++i)
atomic_set(&ring->num_jobs[i], 0);
- if (amdgpu_debugfs_ring_init(adev, ring)) {
- DRM_ERROR("Failed to register debugfs file for rings !\n");
- }
-
return 0;
}
@@ -351,12 +274,13 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
*/
void amdgpu_ring_fini(struct amdgpu_ring *ring)
{
- ring->sched.ready = false;
/* Not to finish a ring which is not initialized */
if (!(ring->adev) || !(ring->adev->rings[ring->idx]))
return;
+ ring->sched.ready = false;
+
amdgpu_device_wb_free(ring->adev, ring->rptr_offs);
amdgpu_device_wb_free(ring->adev, ring->wptr_offs);
@@ -367,8 +291,6 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring)
&ring->gpu_addr,
(void **)&ring->ring);
- amdgpu_debugfs_ring_fini(ring);
-
dma_fence_put(ring->vmid_wait);
ring->vmid_wait = NULL;
ring->me = 0;
@@ -485,8 +407,8 @@ static const struct file_operations amdgpu_debugfs_ring_fops = {
#endif
-static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
- struct amdgpu_ring *ring)
+int amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
+ struct amdgpu_ring *ring)
{
#if defined(CONFIG_DEBUG_FS)
struct drm_minor *minor = adev->ddev->primary;
@@ -507,13 +429,6 @@ static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
return 0;
}
-static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring)
-{
-#if defined(CONFIG_DEBUG_FS)
- debugfs_remove(ring->ent);
-#endif
-}
-
/**
* amdgpu_ring_test_helper - tests ring and set sched readiness status
*