Fork of alistair23 Linux kernel for reMarkable from https://github.com/alistair23/linux
18075d0d48
When a plane moves out of bounds (i.e, outside the crtc clip region), the plane state's "visible" parameter changes to false. When this happens, we (a) release the hwpipe resources away from it, and (b) unstage the corresponding hwpipe(s) from the Layer Mixers in the CRTC. (a) requires use to acquire the global atomic state and assign a new hwpipe. (b) requires us to re-configure the Layer Mixer, which is done in the CRTC. We don't want to do these things in the async plane update path, so return an error if the new state's "visible" isn't the same as the current state's "visible". Cc: Gustavo Padovan <gustavo.padovan@collabora.com> Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.