On Mon, Mar 09, 2015 at 04:13:03PM -0700, jeff.mcgee@xxxxxxxxx wrote: > From: Jeff McGee <jeff.mcgee@xxxxxxxxx> > > Update kernel interface with new I915_GETPARAM ioctl entries for > subslice total and EU total. Add a wrapping function for each > parameter. Userspace drivers need these values when constructing > GPGPU commands. This kernel query method is intended to replace > the PCI ID-based tables that userspace drivers currently maintain. > The kernel driver can employ fuse register reads as needed to > ensure the most accurate determination of GT config attributes. > This first became important with Cherryview in which the config > could differ between devices with the same PCI ID. > > The kernel detection of these values is device-specific. Userspace > drivers should continue to maintain ID-based tables for older > devices which return ENODEV when using this query. > > v2: remove unnecessary include of <stdbool.h> and increment the > I915_GETPARAM indices to match updated kernel patch. > > For: VIZ-4636 > Signed-off-by: Jeff McGee <jeff.mcgee@xxxxxxxxx> Pushed to libdrm. -- Damien _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
