[PATCH v4 05/13] drm/amdkfd: generic type as sys mem on migration to ram
STALE1889d
REVIEWED: 1 (1M)
From: Alex Sierra <hidden>
Date: 2021-07-17 19:22:11
Also in:
amd-gfx, dri-devel, linux-ext4, linux-xfs
Subsystem:
amd kfd, drm drivers, radeon and amdgpu drm drivers, the rest · Maintainers:
Felix Kuehling, David Airlie, Simona Vetter, Alex Deucher, Christian König, Linus Torvalds
Revision v4 of 5 in this series; 1 review trailer (1 from subsystem maintainers).
Revisions (5)
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 <redacted> Reviewed-by: Felix Kuehling <Felix.Kuehling@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 3e9315354ce4..fc491bfc09f4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c@@ -664,8 +664,9 @@ 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;
--
2.32.0