Re: Pluggable frame buffer devices

On Mon, Feb 16, 2015 at 9:10 AM, Hans Petter Selasky <hps_at_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



Thank you very much .


Mehmet Erol Sanliturk