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authorXiao-Yu Zhang <Xiao-Yu.Zhang@Sun.COM>2009-03-27 10:28:34 +0800
committerXiao-Yu Zhang <Xiao-Yu.Zhang@Sun.COM>2009-03-27 10:28:34 +0800
commitc6a9dbb678b8915dde16e013ff8f084c07ab9319 (patch)
tree8d58f1c960dc2ac65820dc31264890bc5e1c7889
parent98ca3fc132ff128b5fcc63ae28cf0cf833bebe3c (diff)
downloadillumos-joyent-c6a9dbb678b8915dde16e013ff8f084c07ab9319.tar.gz
6818681 ahci: disable MSI interrupt for nVidia MCP78s [GeForce 8200] chipset
-rw-r--r--usr/src/uts/common/io/sata/adapters/ahci/ahci.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/usr/src/uts/common/io/sata/adapters/ahci/ahci.c b/usr/src/uts/common/io/sata/adapters/ahci/ahci.c
index dfcb77169e..e749299c46 100644
--- a/usr/src/uts/common/io/sata/adapters/ahci/ahci.c
+++ b/usr/src/uts/common/io/sata/adapters/ahci/ahci.c
@@ -2991,6 +2991,14 @@ ahci_config_space_init(ahci_ctl_t *ahci_ctlp)
ahci_ctlp->ahcictl_cap |= AHCI_CAP_32BIT_DMA;
}
+ /* ASUS M3N-HT (NVidia 780a) does not support MSI */
+ if (venid == 0x10de && devid == 0x0ad4) {
+ AHCIDBG0(AHCIDBG_INIT, ahci_ctlp,
+ "ASUS M3N-HT (NVidia 780a) does not support MSI "
+ "interrupts, so force it to use fixed interrupts.");
+ ahci_msi_enabled = B_FALSE;
+ }
+
/*
* Check if capabilities list is supported and if so,
* get initial capabilities pointer and clear bits 0,1.