drm-misc-next tasty fixes for v5.12: - Cherry pick of drm-misc-fixes pull: "here's this week's PR for drm-misc-fixes. One of the patches is a memory leak; the rest is for hardware issues." - Fix dt bindings for dp connector. - Fix build error in atyfb. - Improve error handling for dma-buf heaps. - Make vblank timestamp more correct, by recording timestamp to be set when signaling.