It was hard-coded to 64k but Xe2 platforms and newer supports larger SLM sizes. Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com> Reviewed-by: Dylan Baker <dylan.c.baker@intel.com> Cc: mesa-stable Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32874>