From 69e1ec970c0445c2372e66ed7076f9c13d36f31c Mon Sep 17 00:00:00 2001 From: Kunhui-Li Date: Fri, 8 Jul 2022 21:08:53 +0800 Subject: [PATCH] config_tools: update gpu passthru doc add "i915.modeset=0" in kernel cmd line parameter for allowing users to access a Ubuntu desktop. Signed-off-by: Kunhui-Li --- doc/tutorials/gpu-passthru.rst | 10 ++++++++++ doc/tutorials/images/kernel_cmd_line.png | Bin 0 -> 22714 bytes doc/user-guides/kernel-parameters.rst | 13 +++++++++++++ 3 files changed, 23 insertions(+) create mode 100644 doc/tutorials/images/kernel_cmd_line.png diff --git a/doc/tutorials/gpu-passthru.rst b/doc/tutorials/gpu-passthru.rst index e7e00fdef..8ddeba946 100644 --- a/doc/tutorials/gpu-passthru.rst +++ b/doc/tutorials/gpu-passthru.rst @@ -61,6 +61,16 @@ The example extends the information provided in the :ref:`gsg`. #. In the ACRN Configurator, create a shared scenario with a Service VM and one post-launched User VM. +#. Select the Service VM and go to **Basic Parameters > Kernel + command-line parameters**. + +#. Append ``i915.modeset=0`` in **Kernel command-line parameters** to disable the + GPU driver loading for Intel GPU device. + + .. image:: images/kernel_cmd_line.png + :align: center + :class: drop-shadow + #. 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for configuring or debugging ACRN-based systems. hugepages=10 hugepagesz=1G + * - ``i915.modeset`` + - Service VM + - GPU driver loading option. + + ``0``: + Disable the GPU driver loading for Intel GPU device. + + ``1``: + Enable the GPU driver loading for Intel GPU device. + - :: + + i915.modeset=0 + .. note:: The ``hugepages`` and ``hugepagesz`` parameters are automatically taken care of by the ACRN Configurator tool. If users have customized hugepage settings to satisfy their particular workloads in the Service VM,