diff options
| author | David Francis <[email protected]> | 2023-07-21 15:14:24 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2023-09-20 20:24:06 +0000 |
| commit | 5f248462c69d5ea7b54a88c62edb73f626d1528d (patch) | |
| tree | 8840e1bb0fcb471cf1c480513b3390c8e1b1b428 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | |
| parent | drm/amdkfd: fix add queue process context clear without runtime enable (diff) | |
| download | kernel-5f248462c69d5ea7b54a88c62edb73f626d1528d.tar.gz kernel-5f248462c69d5ea7b54a88c62edb73f626d1528d.zip | |
drm/amdgpu: Add EXT_COHERENT memory allocation flags
These flags (for GEM and SVM allocations) allocate
memory that allows for system-scope atomic semantics.
On GFX943 these flags cause caches to be avoided on
non-local memory.
On all other ASICs they are identical in functionality to the
equivalent COHERENT flags.
Corresponding Thunk patch is at
https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/pull/88
Reviewed-by: David Yat Sin <[email protected]>
Signed-off-by: David Francis <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 57189b8bc214..c48ca5adad8a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1691,6 +1691,8 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( if (flags & KFD_IOC_ALLOC_MEM_FLAGS_COHERENT) alloc_flags |= AMDGPU_GEM_CREATE_COHERENT; + if (flags & KFD_IOC_ALLOC_MEM_FLAGS_EXT_COHERENT) + alloc_flags |= AMDGPU_GEM_CREATE_EXT_COHERENT; if (flags & KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED) alloc_flags |= AMDGPU_GEM_CREATE_UNCACHED; |