diff options
| -rw-r--r-- | lib/intel_pat.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/intel_pat.c b/lib/intel_pat.c index 041952bd8..b72fbfadf 100644 --- a/lib/intel_pat.c +++ b/lib/intel_pat.c @@ -25,6 +25,10 @@ static void intel_get_pat_idx(int fd, struct intel_pat_cache *pat) pat->wb = 2; pat->uc_comp = 12; /* Compressed + UC, XE2 and later */ pat->max_index = 31; + + /* Wa_16023588340: CLOS3 entries at end of table are unusable */ + if (intel_graphics_ver(dev_id) == IP_VER(20, 1)) + pat->max_index -= 4; } else if (IS_METEORLAKE(dev_id)) { pat->uc = 2; pat->wt = 1; |