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| author | Yong Zhao <Yong.Zhao@amd.com> | 2019-09-25 17:06:12 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-03 09:11:03 -0500 |
| commit | 3fe023d42ea82be7d32ad26ab9409d970c1d361f (patch) | |
| tree | ccb24804431d6cd433aa47c75960f99338c8af4e /drivers/gpu/drm | |
| parent | d9d4623c87e9318549e0c85133c38909d9e8c47a (diff) | |
| download | linux-3fe023d42ea82be7d32ad26ab9409d970c1d361f.tar.bz2 | |
drm/amdkfd: Query vmid pasid mapping through stored info for non HWS
Because we record the mapping under non HWS mode in the software,
we can query pasid through vmid using the stored mapping instead of
reading from ATC registers.
This also prepares for the defeatured ATC block in future ASICs.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c index 3ef67d2e0d9f..e05d75ecda21 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c @@ -54,8 +54,7 @@ static bool event_interrupt_isr_v9(struct kfd_dev *dev, memcpy(patched_ihre, ih_ring_entry, dev->device_info->ih_ring_entry_size); - pasid = dev->kfd2kgd->get_atc_vmid_pasid_mapping_pasid( - dev->kgd, vmid); + pasid = dev->dqm->vmid_pasid[vmid]; /* Patch the pasid field */ patched_ihre[3] = cpu_to_le32((le32_to_cpu(patched_ihre[3]) |