diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 93 |
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 * |