Attribute access value for default ranges is set, based on
process xnack on/off.
XNACK ON has GPU access attribute for unregistered ranges through page
fault. While XNACK OFF has no access attribute for unregistered ranges.
Signed-off-by: Alex Sierra <alex.sierra@xxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 99dfbd2dc164..783a889c5047 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -2963,12 +2963,11 @@ svm_range_get_attr(struct kfd_process *p, uint64_t start, uint64_t size,
pr_debug("range attrs not found return default values\n");
svm_range_set_default_attributes(&location, &prefetch_loc,
&granularity, &flags);
- /* TODO: Automatically create SVM ranges and map them on
- * GPU page faults
if (p->xnack_enabled)
bitmap_fill(bitmap_access, MAX_GPU_INSTANCE);
- */
-
+ else
+ bitmap_zero(bitmap_access, MAX_GPU_INSTANCE);
+ bitmap_zero(bitmap_aip, MAX_GPU_INSTANCE);
goto fill_values;
}
bitmap_fill(bitmap_access, MAX_GPU_INSTANCE);
--
2.17.1
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