Hi all, I realise this has landed, so a small FYI comment. On Sat, 9 May 2020 at 15:16, Noralf Trønnes <noralf@xxxxxxxxxxx> wrote: > +int drm_client_framebuffer_flush(struct drm_client_buffer *buffer, struct drm_rect *rect) > +{ > + if (!buffer || !buffer->fb || !buffer->fb->funcs->dirty) Hmm cannot think of a good reason why anyone would call this with !buffer || !buffer->fb? Might be a good idea to WARN in those cases - otherwise the user is given false sense to security. Looking at the upcoming user (drm/gud) it already has both - so it's perfectly safe. -Emil