Date: Mon, 16 Feb 2015 22:33:44 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org>, Shawn Webb <lattera@gmail.com> Subject: Re: Pluggable frame buffer devices Message-ID: <54E26238.5080404@selasky.org> In-Reply-To: <CAOgwaMt31dmcFj6tT5NqFqTfsa=ktgjc%2B7ww5i1rUNCwiSsGRA@mail.gmail.com> References: <54E11A57.3030105@selasky.org> <2245985.dTFM2y6A0x@shawn-work-laptop> <54E2247E.3000207@selasky.org> <CAOgwaMt31dmcFj6tT5NqFqTfsa=ktgjc%2B7ww5i1rUNCwiSsGRA@mail.gmail.com>
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On 02/16/15 22:30, Mehmet Erol Sanliturk wrote: > On Mon, Feb 16, 2015 at 9:10 AM, Hans Petter Selasky <hps@selasky.org> > wrote: > >> On 02/16/15 16:39, Shawn Webb wrote: >> >>> On Sunday, February 15, 2015 11:14:47 PM Hans Petter Selasky wrote: >>> >>>> Hi, >>>> >>>> I've added support for USB display link adapters to FreeBSD-11-current, >>>> but the kernel panics once "vt_fb_attach(info)" is called from >>>> "fbd_register(struct fb_info* info)" when the USB device is plugged or >>>> udl.ko is loaded. Is this a known issue? >>>> >>>> REF: https://svnweb.freebsd.org/base/head/sys/dev/usb/video/udl.c >>>> >>>> --HPS >>>> >>> >>> I personally can't answer your question. But I'd love to help test this, >>> especially since Haswell graphics isn't supported, yet, and my laptop is >>> running Haswell. What would be a good USB display device to buy to help >>> test >>> this awesome work out? >>> >> >> Hi Shawn, >> >> I think any USB device that uses the brand name "DisplayLink" will work. >> >> Current list of supported devices: >> >> /* >>> * Matching devices. >>> */ >>> static const STRUCT_USB_HOST_ID udl_devs[] = { >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD4300U, >>> DL120)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD8000U, >>> DL120)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GUC2020, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LD220, >>> DL165)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VCUD60, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_DLDVI, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VGA10, >>> DL120)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_WSDVI, >>> DLUNK)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_EC008, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_HPDOCK, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NL571, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_M01061, >>> DL195)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NBDOCK, >>> DL165)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_SWDVI, >>> DLUNK)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_UM7X0, >>> DL120)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_CONV, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_PLUGABLE, >>> DL160)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LUM70, >>> DL125)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_POLARIS2, >>> DLUNK)}, >>> {USB_VPI(USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LT1421, >>> DLUNK)} >>> }; >>> >> >> >> Also see: >> >> man udl >> >> Some work needs to be done to fully integrate with the VT console >> subsystem. I had Xorg up and running today with the DisplayLink I adapter I >> have, and I works quite well. With USB 3.0 ones I think we can expect more. >> >> --HPS >> _______________________________________________ >> >> > > > Will there be support for the devices like the following USB video adapters > ? > > > http://www.amazon.com/gp/product/B00GUE5LGS/ref=s9_simh_gw_p147_d0_i11?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-2&pf_rd_r=1QXWR8TQVH25A4KZWMDM&pf_rd_t=36701&pf_rd_p=1970566542&pf_rd_i=desktop > > > http://www.amazon.com/gp/product/B00A2E1MQA/ref=s9_simh_gw_p147_d0_i3?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-2&pf_rd_r=1QXWR8TQVH25A4KZWMDM&pf_rd_t=36701&pf_rd_p=1970566542&pf_rd_i=desktop > > > http://www.amazon.com/gp/product/B00612ZPQA/ref=s9_simh_gw_p147_d0_i2?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-2&pf_rd_r=1QXWR8TQVH25A4KZWMDM&pf_rd_t=36701&pf_rd_p=1970566542&pf_rd_i=desktop > Depending on what USB protocol they are using we can add support for them. Maybe you need to buy one and dump the USB descriptors :-) --HPS
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