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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2021-02-24 23:46:28 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-20 21:50:03 -0400 |
| commit | cda0f85bfa5e5fddc51b94cfd6680c6697707a89 (patch) | |
| tree | 1889d0c8c7654d13ecb4502fba8c04d0fe7d0919 /drivers/gpu/drm/amd/amdkfd/kfd_process.c | |
| parent | 485bea1f90b3347bb5c1f8adad533f14d8d8ff1c (diff) | |
| download | linux-cda0f85bfa5e5fddc51b94cfd6680c6697707a89.tar.bz2 | |
drm/amdkfd: refine migration policy with xnack on
With xnack on, GPU vm fault handler decide the best restore location,
then migrate range to the best restore location and update GPU mapping
to recover the GPU vm fault.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index b8db509e2bbd..d7006ef2388f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -1676,6 +1676,22 @@ int kfd_process_gpuidx_from_gpuid(struct kfd_process *p, uint32_t gpu_id) return -EINVAL; } +int +kfd_process_gpuid_from_kgd(struct kfd_process *p, struct amdgpu_device *adev, + uint32_t *gpuid, uint32_t *gpuidx) +{ + struct kgd_dev *kgd = (struct kgd_dev *)adev; + int i; + + for (i = 0; i < p->n_pdds; i++) + if (p->pdds[i] && p->pdds[i]->dev->kgd == kgd) { + *gpuid = p->pdds[i]->dev->id; + *gpuidx = i; + return 0; + } + return -EINVAL; +} + static void evict_process_worker(struct work_struct *work) { int ret; |