There is no mention in spec about subtract one of the number of threads, also Iris and blorp code don't subtract. Alchemist PRMs: Volume 2a: Command Reference: Instructions: CFE_STATE: Maximum Number of Threads: Normally set to the maximum number of threads: (# EUs) * (# threads/EU) Cc: mesa-stable Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Reviewed-by: Rohan Garg <rohan.garg@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23973>