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e54469c723
Previously, Valhall and Bifrost GPUs shared a single driver source directory (drivers/gpu/arm/bifrost). However, starting from DDK r52 (g27), Bifrost GPUs are no longer supported. As a result, the Valhall GPU driver from DDK r53 (g28) must use a separate source directory (drivers/gpu/arm/valhall). There are also modifications in some header files outside of drivers/gpu/arm/. In addition, the configs related to Bifrost and Valhall GPUs have been removed from the defconfig file like rockchip_linux_defconfig, which does not reflect the current SoC. Instead, these configs have been migrated to the .config files such as rk3576.config, whose file names can reflect the current SoC. Therefore, for some SoCs, the kernel compilation command line needs to be adjusted. Change-Id: I0c4384212b4b679a728401f7f89ae839530f002b Signed-off-by: Zhen Chen <chenzhen@rock-chips.com>
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.