kernel-packages team mailing list archive

[Robert Hooker <sarvatt@xxxxxxxxx>]

** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty

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https://bugs.launchpad.net/bugs/1441861

Title:
  Add new firmware for Skylake graphics

Status in HWE Next:
  New
Status in linux-firmware package in Ubuntu:
  Fix Released
Status in linux-firmware source package in Trusty:
  Fix Committed
Status in linux-firmware source package in Vivid:
  Fix Committed
Status in linux-firmware source package in Wily:
  Fix Released

Bug description:
  from https://01.org/linuxgraphics/intel-linux-graphics-firmwares

  Description

  Gen9 Intel® Graphics for Linux (Skylake) includes 2 microcontrollers
  to extract maximum performance and to provide low power states for
  better power consumption.

  GuC

  GuC is an embedded micro-controller in the graphics sub-system that is
  designed to perform graphics workload scheduling on the various
  graphics parallel engines. In this scheduling model, host software
  submits work through one of the 256 graphics doorbells and this
  invokes the micro-kernel running on the GuC core to perform the
  scheduling operation on the appropriate graphics engine. Scheduling
  operations include determining which workload to run next, submitting
  a workload to a command streamer, pre-empting existing workloads
  running on an engine, monitoring progress and notifying host SW when
  work is done.

  DCM

  DCM is a display micro-controller that provides additional low-power
  idle states for improved platform power consumption.  The
  skl_dmc_ver4.bin firmware is hot-loaded to the display microcontroller
  at runtime, and the microcontroller manages the additional low-power
  idle states independently from the OS/Kernel.

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