On Thu, 16 Feb 2012 07:23:52 +0000 Dave Airlie <airlied@xxxxxxxxx> wrote: > On Wed, Feb 15, 2012 at 9:22 PM, Adam Jackson <ajax@xxxxxxxxxx> wrote: > > On 2/8/12 6:19 PM, Ben Widawsky wrote: > >> > >> Similar to i915, it's nice to be able to query this device uniquely and > >> get some info > >> > >> Signed-off-by: Ben Widawsky<ben@xxxxxxxxxxxx> > > > > > > So, this is actually not especially useful as written. You'd like to be > > able to use this to find the vgem device node, but since it's a > > device-specific ioctl it collides with whatever happens to be > > device-specific ioctl number 2 on whatever device you've opened. On i915, > > that's I915_FLIP, and you promptly oops the machine. > > Hmm... it doesn't oops my machine. > > We have DRM level caps that we could use for that if necessary. > > I'm not sure we need a getparam for vgem if the only thing it reports > is VGEM status. The plan I had for it was to report whether or not prime support exists. But I'll just call the prime ioctls and see if they fail instead. > > Though yeah what ajax said looking in /sys is the discovery path of choice. I've done this now, it turned out quite nicely. > > Dave. Thanks. ~Ben _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel