drm/amdgpu: do not create ras debugfs/sysfs node for ASICs that don't have ras ability
driver shouldn't init any ras debugfs/sysfs node for ASICs that don't have ras
hardware ability
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Feifei Xu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1a4412e..3a9ece4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1557,6 +1557,12 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
amdgpu_ras_check_supported(adev, &con->hw_supported,
&con->supported);
+ if (!con->hw_supported) {
+ amdgpu_ras_set_context(adev, NULL);
+ kfree(con);
+ return 0;
+ }
+
con->features = 0;
INIT_LIST_HEAD(&con->head);
/* Might need get this flag from vbios. */
