blob: 3276000fe45174845387100e230a96169361d450 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2634,7 +2634,8 @@ static void pcie_write_mrrs(struct pci_d
* In the "safe" case, do not configure the MRRS. There appear to be
* issues with setting MRRS to 0 on a number of devices.
*/
- if (pcie_bus_config != PCIE_BUS_PERFORMANCE)
+ if (pcie_bus_config != PCIE_BUS_PERFORMANCE &&
+ pcie_bus_config != PCIE_BUS_PEER2PEER)
return;
/*
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -868,7 +868,7 @@ enum pcie_bus_config_types {
PCIE_BUS_DEFAULT, /* Ensure MPS matches upstream bridge */
PCIE_BUS_SAFE, /* Use largest MPS boot-time devices support */
PCIE_BUS_PERFORMANCE, /* Use MPS and MRRS for best performance */
- PCIE_BUS_PEER2PEER, /* Set MPS = 128 for all devices */
+ PCIE_BUS_PEER2PEER, /* set MPS and MRSS to 128 for all devices */
};
extern enum pcie_bus_config_types pcie_bus_config;
|
