From: Dave Airlie <airlied@gmail.com>
To: dri-devel@lists.freedesktop.org, linux-pci@vger.kernel.org,
Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [PATCH 1/3] pci_regs: define LNKSTA2 pcie cap + bits.
Date: Thu, 28 Jun 2012 10:45:21 +0100 [thread overview]
Message-ID: <CAPM=9tys7x5CmK-nrETA93B-9xS1uschZSgrb14-a9k9s_DNMA@mail.gmail.com> (raw)
In-Reply-To: <1340782554-9865-1-git-send-email-airlied@gmail.com>
On Wed, Jun 27, 2012 at 8:35 AM, Dave Airlie <airlied@gmail.com> wrote:
> From: Dave Airlie <airlied@redhat.com>
>
> We need these for detecting the max link speed for drm drivers.
Hi Bjorn,
Can you ack this patch so I can carry it in the drm-next tree? we need
these regs for getting the PCIE v2/v3 supported link speeds.
Thanks,
Dave.
>
> Signed-off-by: Dave Airlie <airlied@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
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
next parent reply other threads:[~2012-06-28 9:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1340782554-9865-1-git-send-email-airlied@gmail.com>
2012-06-28 9:45 ` Dave Airlie [this message]
2012-07-02 20:01 ` [PATCH 1/3] pci_regs: define LNKSTA2 pcie cap + bits Bjorn Helgaas
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