From cdcac9cd7741af2c2b9255cbf060f772596907bb Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 27 Jun 2012 08:35:52 +0100 Subject: [PATCH] pci_regs: define LNKSTA2 pcie cap + bits. We need these for detecting the max link speed for drm drivers. Acked-by: Bjorn Helgaas Signed-off-by: Dave Airlie --- include/linux/pci_regs.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index 4b608f543412..7f04132eb02d 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 */ -- 2.39.5