diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0106-amd-amdmct-mct_ddr3-Set-prefetch-double-stride-to-im.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0106-amd-amdmct-mct_ddr3-Set-prefetch-double-stride-to-im.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0106-amd-amdmct-mct_ddr3-Set-prefetch-double-stride-to-im.patch b/resources/libreboot/patch/kgpe-d16/0106-amd-amdmct-mct_ddr3-Set-prefetch-double-stride-to-im.patch new file mode 100644 index 0000000..2cf8048 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0106-amd-amdmct-mct_ddr3-Set-prefetch-double-stride-to-im.patch @@ -0,0 +1,27 @@ +From ea9a0276634c0d2ddfdcbe75e350416568453dae Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Sat, 8 Aug 2015 20:29:55 -0500 +Subject: [PATCH 106/143] amd/amdmct/mct_ddr3: Set prefetch double stride to + improve performance + +Change-Id: I34ad85388c6b71f0d44bee13afd663e0b84545cd +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +index 330f37f..de6c79c 100644 +--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c ++++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +@@ -5563,6 +5563,7 @@ static void mct_FinalMCT_D(struct MCTStatStruc *pMCTstat, + val &= ~(0x7 << 8); /* CohPrefPrbLmt = 0x1 */ + val |= (0x1 << 8); + val |= (0x1 << 12); /* EnSplitDctLimits = 0x1 */ ++ val |= (0x1 << 20); /* DblPrefEn = 0x1 */ + val |= (0x7 << 22); /* PrefFourConf = 0x7 */ + val |= (0x7 << 25); /* PrefFiveConf = 0x7 */ + val &= ~(0xf << 28); /* DcqBwThrotWm = 0x0 */ +-- +1.7.9.5 + |