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| author | Dave Airlie <airlied@redhat.com> | 2025-10-09 23:57:28 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2025-10-09 23:57:56 +0300 |
| commit | c4b6ddcf01f63a710c24a128d134d3fa51978d6c (patch) | |
| tree | 0f5284c63f8dfd1ace1ea813cec67c642d32956a /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | |
| parent | 73bc073d4270b6b227d5545fc277c1f09a26a77a (diff) | |
| parent | d07e142641417e67f3bfc9d8ba3da8a69c39cfcd (diff) | |
| download | linux-c4b6ddcf01f63a710c24a128d134d3fa51978d6c.tar.xz | |
Merge tag 'amd-drm-next-6.18-2025-10-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.18-2025-10-09:
amdgpu:
- DC DCE6 fixes
- GPU reset fixes
- Secure diplay messaging cleanup
- MES fix
- GPUVM locking fixes
- PMFW messaging cleanup
- PCI US/DS switch handling fix
- VCN queue reset fix
- DC FPU handling fix
- DCN 3.5 fix
- DC mirroring fix
amdkfd:
- Fix kfd process ref leak
- mmap write lock handling fix
- Fix comments in IOCTL
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20251009162915.981503-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 7c54fe6b0f5d..83020963dfde 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -2586,12 +2586,17 @@ static int update_invalid_user_pages(struct amdkfd_process_info *process_info, * from the KFD, trigger a segmentation fault in VM debug mode. */ if (amdgpu_ttm_adev(bo->tbo.bdev)->debug_vm_userptr) { + struct kfd_process *p; + pr_err("Pid %d unmapped memory before destroying userptr at GPU addr 0x%llx\n", pid_nr(process_info->pid), mem->va); // Send GPU VM fault to user space - kfd_signal_vm_fault_event_with_userptr(kfd_lookup_process_by_pid(process_info->pid), - mem->va); + p = kfd_lookup_process_by_pid(process_info->pid); + if (p) { + kfd_signal_vm_fault_event_with_userptr(p, mem->va); + kfd_unref_process(p); + } } ret = 0; |