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| author | Mukul Joshi <mukul.joshi@amd.com> | 2025-09-10 16:57:25 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-12-08 13:56:29 -0500 |
| commit | 2718942f48d41c4dc1c19a7a20720633191afd2f (patch) | |
| tree | 7b63e22a8e141b84f17563fc70396036d5af43fe /drivers/gpu | |
| parent | 13aca3c0f492e193c9d823684813633087e75752 (diff) | |
| download | linux-2718942f48d41c4dc1c19a7a20720633191afd2f.tar.gz linux-2718942f48d41c4dc1c19a7a20720633191afd2f.zip | |
drm/amdgpu: add PCIe atomics bit in PTE
To enable atomic access to memory, setup the new PCIe atomics bit
in PTE.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Alex Sierra <alex.sierra@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 15d757c016cb..d83c2a95ebea 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -129,6 +129,7 @@ struct amdgpu_bo_vm; AMDGPU_PTE_MTYPE_GFX12_SHIFT(mtype)) #define AMDGPU_PTE_DCC (1ULL << 58) +#define AMDGPU_PTE_BUS_ATOMICS (1ULL << 59) #define AMDGPU_PTE_IS_PTE (1ULL << 63) /* PDE Block Fragment Size for gfx v12 */ |