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It is permitted for a plane to be configured such that none of it is on-screen via either negative dest rectangle X,Y offset, or just an offset that is greater than the crtc dimensions. These planes were resized via drm_atomic_helper_check_plane_state such that the source rectangle had a zero width or height, but they still created a dlist entry even though they contributed no pixels. In the case of vc6_plane_mode_set, that it could result in negative values being written into registers, which caused incorrect behaviour. Drop planes that result in a source width or height of 0 pixels to avoid the incorrect rendering. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.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.
Build status for rpi-5.15.y:
Build status for rpi-6.1.y:
Build status for rpi-6.6.y:
