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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 15d757c016cbbce14c4284df4bc15ee1228e50cb..d83c2a95ebea38ee10bd34e7e90952cc2bb80330 100644 (file)
--- 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 */