drm/xe: set PTE_AE for all platforms supporting it
authorFei Yang <fei.yang@intel.com>
Thu, 28 Sep 2023 04:43:35 +0000 (21:43 -0700)
committerRodrigo Vivi <rodrigo.vivi@intel.com>
Thu, 21 Dec 2023 16:41:21 +0000 (11:41 -0500)
Atomic access is supported by PVC, and became a common feature for all
platforms starting from Xe2. To enable that XE_VMA_ATOMIC_PTE_BIT needs
to be set, then pte encode will eventually set PTE_AE for devmem.

Signed-off-by: Fei Yang <fei.yang@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230928044335.1474903-2-fei.yang@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
drivers/gpu/drm/xe/xe_vm.c

index 6ab115d..2bb0a16 100644 (file)
@@ -901,7 +901,7 @@ static struct xe_vma *xe_vma_create(struct xe_vm *vm,
                        vma->tile_mask |= 0x1 << id;
        }
 
-       if (vm->xe->info.platform == XE_PVC)
+       if (GRAPHICS_VER(vm->xe) >= 20 || vm->xe->info.platform == XE_PVC)
                vma->gpuva.flags |= XE_VMA_ATOMIC_PTE_BIT;
 
        if (bo) {