Attachment 592277 Details for Bug 832188 – fix

[patch] fix

0001-drm-udl-only-bind-to-the-video-devices-on-the-hub.patch (text/plain), 1.50 KB, created by Dave Airlie on 2012-06-16 06:49:16 UTC

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Creator: Dave Airlie

Created: 2012-06-16 06:49:16 UTC

Size: 1.50 KB

patch

obsolete

>From a1d78d1c9b8a39cd90b6ee28fdbcf0ce06eebd7d Mon Sep 17 00:00:00 2001
>From: Dave Airlie <airlied@redhat.com>
>Date: Sat, 16 Jun 2012 07:41:28 +0100
>Subject: [PATCH] drm/udl: only bind to the video devices on the hub.
>
>This is ported from udlfb.
>
>Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=832188
>Signed-off-by: Dave Airlie <airlied@redhat.com>
>---
> drivers/gpu/drm/udl/udl_drv.c |   15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
>index 4d02c46..6e52069 100644
>--- a/drivers/gpu/drm/udl/udl_drv.c
>+++ b/drivers/gpu/drm/udl/udl_drv.c
>@@ -13,8 +13,21 @@
> 
> static struct drm_driver driver;
> 
>+/*
>+ * There are many DisplayLink-based graphics products, all with unique PIDs.
>+ * So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff)
>+ * We also require a match on SubClass (0x00) and Protocol (0x00),
>+ * which is compatible with all known USB 2.0 era graphics chips and firmware,
>+ * but allows DisplayLink to increment those for any future incompatible chips
>+ */
> static struct usb_device_id id_table[] = {
>-	{.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,},
>+	{.idVendor = 0x17e9, .bInterfaceClass = 0xff,
>+	 .bInterfaceSubClass = 0x00,
>+	 .bInterfaceProtocol = 0x00,
>+	 .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
>+			USB_DEVICE_ID_MATCH_INT_CLASS |
>+			USB_DEVICE_ID_MATCH_INT_SUBCLASS |
>+			USB_DEVICE_ID_MATCH_INT_PROTOCOL,},
> 	{},
> };
> MODULE_DEVICE_TABLE(usb, id_table);
>-- 
>1.7.10.2
>

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Attachments on bug 832188: 592277