From: Dave Airlie <airl...@redhat.com>

We need these for detecting the max link speed for drm drivers.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 include/linux/pci_regs.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 4b608f5..7f04132 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -521,6 +521,11 @@
 #define  PCI_EXP_OBFF_MSGA_EN  0x2000  /* OBFF enable with Message type A */
 #define  PCI_EXP_OBFF_MSGB_EN  0x4000  /* OBFF enable with Message type B */
 #define  PCI_EXP_OBFF_WAKE_EN  0x6000  /* OBFF using WAKE# signaling */
+#define PCI_EXP_LNKCAP2                44      /* Link Capability 2 */
+#define  PCI_EXP_LNKCAP2_SLS_2_5GB 0x01        /* Current Link Speed 2.5GT/s */
+#define  PCI_EXP_LNKCAP2_SLS_5_0GB 0x02        /* Current Link Speed 5.0GT/s */
+#define  PCI_EXP_LNKCAP2_SLS_8_0GB 0x04        /* Current Link Speed 8.0GT/s */
+#define  PCI_EXP_LNKCAP2_CROSSLINK 0x100 /* Crosslink supported */
 #define PCI_EXP_LNKCTL2                48      /* Link Control 2 */
 #define PCI_EXP_SLTCTL2                56      /* Slot Control 2 */

-- 
1.7.7.6

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