renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-28 07:04:00 +08:00
Code

drm/amdkfd: handle svm migrate init error

Browse Source 
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.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang 2021-09-17 14:32:14 -04:00 committed by Alex Deucher
parent ab39d3cef5
commit 7d6687200a
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
View File

@ -894,6 +894,9 @@ int svm_migrate_init(struct amdgpu_device *adev)
r = devm_memremap_pages(adev->dev, pgmap); r = devm_memremap_pages(adev->dev, pgmap);
if (IS_ERR(r)) { if (IS_ERR(r)) {
pr_err("failed to register HMM device memory\n"); pr_err("failed to register HMM device memory\n");
/* Disable SVM support capability */
pgmap->type = 0;
devm_release_mem_region(adev->dev, res->start, devm_release_mem_region(adev->dev, res->start,
res->end - res->start + 1); res->end - res->start + 1);
return PTR_ERR(r); return PTR_ERR(r);