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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index b4fcad0e62f7..0040c63e2356 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -830,3 +830,39 @@ u64 amdgpu_amdkfd_xcp_memory_size(struct amdgpu_device *adev, int xcp_id)
return adev->gmc.real_vram_size;
}
}
+
+int amdgpu_amdkfd_unmap_hiq(struct amdgpu_device *adev, u32 doorbell_off,
+ u32 inst)
+{
+ struct amdgpu_kiq *kiq = &adev->gfx.kiq[inst];
+ struct amdgpu_ring *kiq_ring = &kiq->ring;
+ struct amdgpu_ring_funcs ring_funcs;
+ struct amdgpu_ring ring;
+ int r = 0;
+
+ if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
+ return -EINVAL;
+
+ memset(&ring, 0x0, sizeof(struct amdgpu_ring));
+ memset(&ring_funcs, 0x0, sizeof(struct amdgpu_ring_funcs));
+
+ ring_funcs.type = AMDGPU_RING_TYPE_COMPUTE;
+ ring.doorbell_index = doorbell_off;
+ ring.funcs = &ring_funcs;
+
+ spin_lock(&kiq->ring_lock);
+
+ if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size)) {
+ spin_unlock(&kiq->ring_lock);
+ return -ENOMEM;
+ }
+
+ kiq->pmf->kiq_unmap_queues(kiq_ring, &ring, RESET_QUEUES, 0, 0);
+
+ if (kiq_ring->sched.ready && !adev->job_hang)
+ r = amdgpu_ring_test_helper(kiq_ring);
+
+ spin_unlock(&kiq->ring_lock);
+
+ return r;
+}