NuKVM/memtest86plus
3
0
Fork 0
mirror of https://github.com/memtest86plus/memtest86plus.git synced 2026-08-26 13:17:12 -05:00
Code Issues Packages Projects Releases Wiki Activity

Fix DDR5 SPD parsing issue for XMP 3.0 frequency

Browse Source 
On DDR5, limit XMP profile parsing to 2 to avoid conflict between XMP and EXPO
Add a check to skip very low tCK values
This commit is contained in:
Sam Demeulemeester
2025-04-20 19:16:51 +02:00
parent 3cb2cdd62a
commit a47b2bc053
1 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
system/spd.c
+5 -5
View File
@@ -202,14 +202,14 @@ static void parse_spd_ddr5(spd_info *spdi, uint8_t slot_idx)
if (spdi->XMP == 3) {
// XMP 3.0 (enumerate all profiles to find the fastest)
tCK = 0;
for (int offset = 0; offset < 3*64; offset += 64) {
for (int offset = 0; offset < 2*64; offset += 64) {
tCKtmp = get_spd(slot_idx, 710 + offset) << 8 |
get_spd(slot_idx, 709 + offset);
if (tCKtmp != 0 && (tCK == 0 || tCKtmp < tCK)) {
xmp_offset = offset;
tCK = tCKtmp;
}
if (tCKtmp == 0 || tCKtmp < 100 || (tCK != 0 && tCKtmp >= tCK)) continue;
xmp_offset = offset;
tCK = tCKtmp;
}
} else {
// JEDEC