diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 2 |
2 files changed, 38 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; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 2d0406bff84e..b34418e3e006 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -252,6 +252,8 @@ int amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(struct amdgpu_device *dst, int amdgpu_amdkfd_get_pcie_bandwidth_mbytes(struct amdgpu_device *adev, bool is_min); int amdgpu_amdkfd_send_close_event_drain_irq(struct amdgpu_device *adev, uint32_t *payload); +int amdgpu_amdkfd_unmap_hiq(struct amdgpu_device *adev, u32 doorbell_off, + u32 inst); /* Read user wptr from a specified user address space with page fault * disabled. The memory must be pinned and mapped to the hardware when |