Messages in this thread | | | Subject | Re: [Intel-gfx] [PATCH v9 5/7] vfio: Define vfio based dma-buf operations | From | Gerd Hoffmann <> | Date | Mon, 26 Jun 2017 08:17:28 +0200 |
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Hi,
> > So maybe a "enum plane_state" (instead of "bool is_enabled")? So > > we > > can clearly disturgish ENABLED, DISABLED, NOT_SUPPORTED cases? > > What's the difference between NOT_SUPPORTED and -ENOTTY on the ioctl? > Perhaps a bit in a flags field could specify EN/DIS-ABLED and leave > room for things we're forgetting.
So throw error in the NOT_SUPPORTED case, otherwise set/clear a PLANE_ENABLED bit in flags?
Yep, that will work too.
cheers, Gerd
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