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A8x is the next generation of Adreno GPUs, featuring a significant hardware design change. A major update to the design is the introduction of Slice architecture. Slices are sort of mini-GPUs within the GPU which are more independent in processing Graphics and compute workloads. Also, in addition to the BV and BR pipe we saw in A7x, CP has more concurrency with additional pipes. From a software interface perspective, these changes have a significant impact on the KMD side. First, the GPU register space has been extensively reorganized. Second, to avoid a register space explosion caused by the new slice architecture and additional pipes, many registers are now virtualized, instead of duplicated as in A7x. KMD must configure an aperture register with the appropriate slice and pipe ID before accessing these virtualized registers. Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/689019/ Message-ID: <20251118-kaana-gpu-support-v4-14-86eeb8e93fb6@oss.qualcomm.com> Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.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 reStructuredText 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.