diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0099-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch')
-rw-r--r-- | resources/libreboot/patch/kgpe-d16/0099-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0099-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch b/resources/libreboot/patch/kgpe-d16/0099-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch new file mode 100644 index 00000000..32121d3e --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0099-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch @@ -0,0 +1,28 @@ +From e4453fd27b842d13276b0e043280031de7f52140 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <kb9vqf@pearsoncomputing.net> +Date: Fri, 7 Aug 2015 19:05:45 -0500 +Subject: [PATCH 099/146] northbridge/amd/amdht: Fix poor performance on + Family 15h CPUs + +--- + src/northbridge/amd/amdht/h3ncmn.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/src/northbridge/amd/amdht/h3ncmn.c b/src/northbridge/amd/amdht/h3ncmn.c +index e03e5eb..e377ff2 100644 +--- a/src/northbridge/amd/amdht/h3ncmn.c ++++ b/src/northbridge/amd/amdht/h3ncmn.c +@@ -1559,6 +1559,10 @@ static void setLinkData(sMainData *pDat, cNorthBridge *nb) + } else { + temp2 = 0x0; + } ++ /* NOTE ++ * The Family 15h BKDG Rev. 3.14 is wrong ++ * Freq[4] must be set before Freq[3:0], otherwise the register writes will be ignored! ++ */ + if (is_gt_rev_d()) + AmdPCIWriteBits(linkBase + HTHOST_FREQ_REV_REG_2, 0, 0, &temp2); + AmdPCIWriteBits(linkBase + HTHOST_FREQ_REV_REG, 11, 8, &temp); +-- +1.7.9.5 + |