On Monday, June 21st, 2021 at 08:43, Tomohito Esaki <etom@xxxxxxxxxx> wrote: > Virtual DRM splits the overlay planes of a display controller into multiple > virtual devices to allow each plane to be accessed by each process. > This makes it possible to overlay images output from multiple processes on a > display. For example, one process displays the camera image without compositor > while another process overlays the UI. Updating the KMS state from multiple processes doesn't sound like a good idea. This opens up synchronization and global device limits issues. Are you aware of DRM leasing?
