diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0097-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0097-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0097-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch b/resources/libreboot/patch/kgpe-d16/0097-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch new file mode 100644 index 00000000..57d5ede5 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0097-northbridge-amd-amdht-Fix-poor-performance-on-Family.patch @@ -0,0 +1,30 @@ +From b9bcbf70cef87afd830e156d5081839fc066b89c Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Fri, 7 Aug 2015 19:05:45 -0500 +Subject: [PATCH 097/139] northbridge/amd/amdht: Fix poor performance on Family + 15h CPUs + +Change-Id: I37db191c144c81aba5d4a1e6291db5669a35a31a +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + 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); +-- +1.9.1 + |