From: Alex Sierra alex.sierra@amd.com
Generic device type memory on VRAM to RAM migration, has similar access as System RAM from the CPU. This flag sets the source from the sender. Which in Generic type case, should be set as SYSTEM.
Signed-off-by: Alex Sierra alex.sierra@amd.com --- drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index f5939449a99f..7b41006c1164 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -653,8 +653,9 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, migrate.vma = vma; migrate.start = start; migrate.end = end; - migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev); + migrate.flags = adev->gmc.xgmi.connected_to_cpu ? + MIGRATE_VMA_SELECT_SYSTEM : MIGRATE_VMA_SELECT_DEVICE_PRIVATE;
size = 2 * sizeof(*migrate.src) + sizeof(uint64_t) + sizeof(dma_addr_t); size *= npages;