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538f111160
Prior to the BCM2711/RaspberryPi4, the GPU was a part of the display components of the SoC. It was thus a part of the vc4 driver. However, with the BCM2711, it got split out and thus the v3d driver was created. The vc4 driver now only handles the display part. We didn't properly split out the code when doing the BCM2711 support though, and most of the code around buffer allocations is still involved, even though it doesn't have the backing hardware anymore. Let's start the split out by creating a new drm_driver that only reports and uses what we support on the BCM2711. The ioctl were properly filtered already, but we were still exposing a .gem_create_object hook, as well as having an .open and .postclose hooks which are only relevant on older generations. Reviewed-by: Melissa Wen <mwen@igalia.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20220610115149.964394-6-maxime@cerno.tech
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.