[PATCH 01/11] drm/amdkfd: device pgmap owner at the svm migrate init

Alex Sierra alex.sierra at amd.com
Tue Jun 29 18:01:56 UTC 2021


pgmap owner member at the svm migrate init could be referenced
to either adev or hive, depending on device topology.

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 | 6 +++---
 drivers/gpu/drm/amd/amdkfd/kfd_svm.h     | 3 +++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index 45b5349283af..8ce71c8142aa 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -427,7 +427,7 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange,
 	migrate.start = start;
 	migrate.end = end;
 	migrate.flags = MIGRATE_VMA_SELECT_SYSTEM;
-	migrate.pgmap_owner = adev;
+	migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev);
 
 	size = 2 * sizeof(*migrate.src) + sizeof(uint64_t) + sizeof(dma_addr_t);
 	size *= npages;
@@ -649,7 +649,7 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange,
 	migrate.start = start;
 	migrate.end = end;
 	migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE;
-	migrate.pgmap_owner = adev;
+	migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev);
 
 	size = 2 * sizeof(*migrate.src) + sizeof(uint64_t) + sizeof(dma_addr_t);
 	size *= npages;
@@ -921,7 +921,7 @@ int svm_migrate_init(struct amdgpu_device *adev)
 	pgmap->range.start = res->start;
 	pgmap->range.end = res->end;
 	pgmap->ops = &svm_migrate_pgmap_ops;
-	pgmap->owner = adev;
+	pgmap->owner = SVM_ADEV_PGMAP_OWNER(adev);
 	pgmap->flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE;
 	r = devm_memremap_pages(adev->dev, pgmap);
 	if (IS_ERR(r)) {
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h
index a9af03994d1a..1f88bdfdbcc2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h
@@ -35,6 +35,9 @@
 #include "amdgpu.h"
 #include "kfd_priv.h"
 
+#define SVM_ADEV_PGMAP_OWNER(adev)\
+			((adev)->hive ? (void *)(adev)->hive : (void *)(adev))
+
 struct svm_range_bo {
 	struct amdgpu_bo		*bo;
 	struct kref			kref;
-- 
2.32.0



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