Emil Velikov <emil.l.veli...@gmail.com> writes: > On 18/11/13 01:08, Keith Packard wrote: >> libudev doesn't have a stable API/ABI, and if the application wants to use >> one >> version, we'd best not load another into libGL. >> >> Signed-off-by: Keith Packard <kei...@keithp.com> >> --- >> > Hi Keith, > > Did you had the chance to look at src/gallium/targets/egl-static/egl.c? > It has a different implementation of drm_fd_get_pci_id, whenever udev is > not available.
Yeah, it's ugly in a different way from the udev technique... > AFAICS it goes back to the kernel via the relevant ioctl to retrieve the > deviceid/chipid. Currently all but nouveau provide such information. I'm > thinking that this approach might be more reasonable for those concerned > with portability of the udev bits (think on *BSD). I'd encourage some kind of standard IOCTL from DRM that returns the PCI-ID of the underlying device, rather than relying on the level of kludge present in either the udev (or my fake udev) method or the non-udev path in the egl code... > I'm not nitpicking, just thought you might find this interesting. Definitely interesting; it's almost what we want -- the kernel knows the information, there just isn't a clean way of getting it (and no way at all for some devices). -- keith.pack...@intel.com
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