unsigned int num = 0;
unsigned long flags;
- if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50)) {
+ /*
+ * New platforms should not be added with catch-all-newer (>=)
+ * condition so that any later platform added triggers the below warning
+ * and in turn mandates a human cross-check of whether the invalidation
+ * flows have compatible semantics.
+ *
+ * For instance with the 11.00 -> 12.00 transition three out of five
+ * respective engine registers were moved to masked type. Then after the
+ * 12.00 -> 12.50 transition multi cast handling is required too.
+ */
+
+ if (GRAPHICS_VER_FULL(i915) == IP_VER(12, 50) ||
+ GRAPHICS_VER_FULL(i915) == IP_VER(12, 55)) {
regs = NULL;
num = ARRAY_SIZE(xehp_regs);
- } else if (GRAPHICS_VER(i915) == 12) {
+ } else if (GRAPHICS_VER_FULL(i915) == IP_VER(12, 0) ||
+ GRAPHICS_VER_FULL(i915) == IP_VER(12, 10)) {
regs = gen12_regs;
num = ARRAY_SIZE(gen12_regs);
} else if (GRAPHICS_VER(i915) >= 8 && GRAPHICS_VER(i915) <= 11) {