On Fri, 11 Jun 2021 at 10:47, Daniel Vetter <daniel@xxxxxxxx> wrote: > > On Thu, Jun 10, 2021 at 02:36:59PM -0700, Dongwon Kim wrote: > > Render clients should be able to create/destroy dumb object to import > > and use it as render buffer in case the default DRM device is different > > from the render device (i.e. kmsro). > > > > Signed-off-by: Dongwon Kim <dongwon.kim@xxxxxxxxx> > > Uh no. > > Well I know everyone just hacks around this, but the idea behind dumb > buffer objects is that they're for kms scanout only. Furthermore on many > drivers they allocate a limited resource like CMA memory. Handing that out > like candy isn't a great idea. > > And it's exactly those drivers that kmsro currently is used for where the > display driver needs special memory. Couldn't agree more. Perhaps we should add an inline comment and/or reference to a thread why? -Emil
