[PATCH v2 1/2] drm/amdkfd: handle svm migrate init error

[Philip Yang]

If svm migration init failed to create pgmap for device memory, set
pgmap type to 0 to disable device SVM support capability.

Signed-off-by: Philip Yang <philip.y...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index dab290a4d19d..165e0ebb619d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -894,6 +894,9 @@ int svm_migrate_init(struct amdgpu_device *adev)
        r = devm_memremap_pages(adev->dev, pgmap);
        if (IS_ERR(r)) {
                pr_err("failed to register HMM device memory\n");
+
+               /* Disable SVM support capability */
+               pgmap->type = 0;
                devm_release_mem_region(adev->dev, res->start,
                                        res->end - res->start + 1);
                return PTR_ERR(r);
-- 
2.17.1