intel/brw: Add comment to reg_unit()

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36448>
2025-07-21 10:37:24 -07:00
parent 7981a18df2
commit 14386eb7e5
1 changed files with 3 additions and 1 deletions
@@ -247,13 +247,15 @@ ALU2(SUBB)
 #undef ALU2
 #undef ALU3

+/* In Xe2+ each register is 64bytes/512bits long while older platforms it is
+ * 32bytes/256bits long.
+ */
 static inline unsigned
 reg_unit(const struct intel_device_info *devinfo)
 {
   return devinfo->ver >= 20 ? 2 : 1;
 }

-
 /* Helpers for SEND instruction:
 */