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706f4bbf18
NVIDIA VirtualLink (svid 0x955) has two altmode, vdo=0x1 for VirtualLink DP mode and vdo=0x3 for NVIDIA test mode. NVIDIA test device FTB (Function Test Board) reports altmode list with vdo=0x3 first and then vdo=0x1. The list is: SVID VDO 0xff01 0xc05 0x28de 0x8085 0x955 0x3 0x955 0x1 Current logic to assign mode value is based on order in altmode list. This causes a mismatch of CON and SOP altmodes since NVIDIA GPU connector has order of vdo=0x1 first and then vdo=0x3. Fixing this by changing the order of vdo values reported by NVIDIA test device. the new list will be: SVID VDO 0xff01 0xc05 0x28de 0x8085 0x955 0x1085 0x955 0x3 Also NVIDIA VirtualLink (svid 0x955) uses pin E for display mode. NVIDIA test device reports vdo of 0x1 so make sure vdo values always have pin E assignement. Signed-off-by: Ajay Gupta <ajayg@nvidia.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20200310121912.57879-1-heikki.krogerus@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.