[PATCH 3/3] drm/amdkfd: add custom svm range flags setting

[Eric Huang]

It is to give a chance for user to change default
flags setting, such as fine grain to coarse grain.

Signed-off-by: Eric Huang <jinhuieric.hu...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 353306037959..caadd18c447a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -722,7 +722,10 @@ svm_range_apply_attrs(struct kfd_process *p, struct 
svm_range *prange,
                        break;
                case KFD_IOCTL_SVM_ATTR_SET_FLAGS:
                        *update_mapping = true;
-                       prange->flags |= attrs[i].value;
+                       if (attrs[i].value & KFD_IOCTL_SVM_FLAG_CUSTOM)
+                               prange->flags = attrs[i].value;
+                       else
+                               prange->flags |= attrs[i].value;
                        break;
                case KFD_IOCTL_SVM_ATTR_CLR_FLAGS:
                        *update_mapping = true;
-- 
2.25.1