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drm/amdgpu: add PCIe atomics bit in PTE

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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>
This commit is contained in:
Mukul Joshi
2025-09-10 16:57:25 -04:00
committed by Alex Deucher
parent 13aca3c0f4
commit 2718942f48
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
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@@ -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 */