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Diffstat (limited to 'kernel/arch/x86/include/asm/amd_nb.h')
-rw-r--r--kernel/arch/x86/include/asm/amd_nb.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/kernel/arch/x86/include/asm/amd_nb.h b/kernel/arch/x86/include/asm/amd_nb.h
index aaac3b2fb..3c56ef1ae 100644
--- a/kernel/arch/x86/include/asm/amd_nb.h
+++ b/kernel/arch/x86/include/asm/amd_nb.h
@@ -81,7 +81,7 @@ static inline struct amd_northbridge *node_to_amd_nb(int node)
return (node < amd_northbridges.num) ? &amd_northbridges.nb[node] : NULL;
}
-static inline u16 amd_get_node_id(struct pci_dev *pdev)
+static inline u16 amd_pci_dev_to_node_id(struct pci_dev *pdev)
{
struct pci_dev *misc;
int i;
@@ -98,11 +98,22 @@ static inline u16 amd_get_node_id(struct pci_dev *pdev)
return 0;
}
+static inline bool amd_gart_present(void)
+{
+ /* GART present only on Fam15h, upto model 0fh */
+ if (boot_cpu_data.x86 == 0xf || boot_cpu_data.x86 == 0x10 ||
+ (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model < 0x10))
+ return true;
+
+ return false;
+}
+
#else
#define amd_nb_num(x) 0
#define amd_nb_has_feature(x) false
#define node_to_amd_nb(x) NULL
+#define amd_gart_present(x) false
#endif