tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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>

authored by

Mukul Joshi and committed by
Alex Deucher 2718942f 13aca3c0

+1
+1
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
··· 129 129 AMDGPU_PTE_MTYPE_GFX12_SHIFT(mtype)) 130 130 131 131 #define AMDGPU_PTE_DCC (1ULL << 58) 132 + #define AMDGPU_PTE_BUS_ATOMICS (1ULL << 59) 132 133 #define AMDGPU_PTE_IS_PTE (1ULL << 63) 133 134 134 135 /* PDE Block Fragment Size for gfx v12 */