drm/amdgpu: disable direct VM updates when vm_debug is set
authorChristian König <christian.koenig@amd.com>
Fri, 19 Feb 2016 09:03:03 +0000 (10:03 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 24 Feb 2016 17:46:06 +0000 (12:46 -0500)
That should make user space bugs more obvious.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

index 7380f78..d20c2a8 100644 (file)
@@ -596,7 +596,8 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
                break;
        }
        ttm_eu_backoff_reservation(&ticket, &list);
-       if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE))
+       if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE) &&
+           !amdgpu_vm_debug)
                amdgpu_gem_va_update_vm(adev, bo_va, args->operation);
 
        drm_gem_object_unreference_unlocked(gobj);