drm/amdgpu: disable direct VM updates when vm_debug is set

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 7380f78..d20c2a8 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -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);