Messages in this thread | | | Date | Tue, 22 Jun 2021 08:04:53 +0000 | From | Simon Ser <> | Subject | Re: [PATH 0/4] [RFC] Support virtual DRM |
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On Monday, June 21st, 2021 at 08:43, Tomohito Esaki <etom@igel.co.jp> 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?
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