[RFC PATCH v2 5/8] drm/amdkfd: generic type as sys mem on migration to ram
Alex Sierra
alex.sierra at amd.com
Mon Jun 7 20:42:23 UTC 2021
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 at amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling at 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;
--
2.17.1
More information about the amd-gfx
mailing list