L3_1_UC)
static const struct drm_i915_mocs_entry tgl_mocs_table[] = {
- /* Base - Error (Reserved for Non-Use) */
- MOCS_ENTRY(0, 0x0, 0x0),
- /* Base - Reserved */
- MOCS_ENTRY(1, 0x0, 0x0),
-
+ /*
+ * NOTE:
+ * Reserved and unspecified MOCS indices have been set to (L3 + LCC).
+ * These reserved entries should never be used, they may be changed
+ * to low performant variants with better coherency in the future if
+ * more entries are needed. We are programming index I915_MOCS_PTE(1)
+ * only, __init_mocs_table() take care to program unused index with
+ * this entry.
+ */
+ MOCS_ENTRY(1, LE_3_WB | LE_TC_1_LLC | LE_LRUM(3),
+ L3_3_WB),
GEN11_MOCS_ENTRIES,
/* Implicitly enable L1 - HDC:L1 + L3 + LLC */