Re: [PATCH v7 1/5] drm: Define user readable error codes for atomic ioctl

[Xaver Hugl]

> No new UAPI is added for this and would be enabled by default with
> atomic ioctl.
I didn't mean a client cap, but a driver one. The compositor needs to
know that it can set the reserved field to a non-zero value without
the kernel rejecting that commit.