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I was just going over some old patches and I was just looking at your series introducing use_tt: https://patchwork.freedesktop.org/series/80078/ and the change https://patchwork.freedesktop.org/patch/382079/?series=80078&rev=1 Do you happen to remember what was the worry behind the /* TODO: This is most likely not correct */ in vmwgfx_ttm_buffer.c? I'm trying to figure out if we need to address it. z