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With the vc-sm-cma driver we can support zero copy of buffers between the kernel and VPU. Add this support to mmal-vchiq. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> vc-sm-cma: fixed kbuild problem error logs: drivers/staging/vc04_services/vc-sm-cma/Kconfig:1:error: recursive dependency detected! drivers/staging/vc04_services/vc-sm-cma/Kconfig:1: symbol BCM_VC_SM_CMA is selected by BCM2835_VCHIQ_MMAL drivers/staging/vc04_services/vchiq-mmal/Kconfig:1: symbol BCM2835_VCHIQ_MMAL depends on BCM2835_VCHIQ drivers/staging/vc04_services/Kconfig:14: symbol BCM2835_VCHIQ is selected by BCM_VC_SM_CMA For a resolution refer to Documentation/kbuild/kconfig-language.rst subsection "Kconfig recursive dependency limitations" Tested-by: make ARCH=arm64 bcm2711_defconfig Test platform: fedora 33 Branch: rpi-5.10.y
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.
Build status for rpi-6.1.y:
Build status for rpi-6.6.y:
Build status for rpi-6.12.y:
