Fork of alistair23 Linux kernel for reMarkable from https://github.com/alistair23/linux
1803fcbca2
We want to be able to report back to userspace details about an engine's class, and in return for userspace to be able to request actions regarding certain classes of engines. To isolate the uABI from any variations between hw generations, we define an abstract class for the engines and internally map onto the hw. v2: Remove MAX from the uABI; keep it internal if we need it, but don't let userspace make the mistake of using it themselves. v3: s/OTHER/INVALID/ The use of OTHER is ill-defined, so remove it from the uABI as any future new type of engine can define a class to suit it. But keep a reserved value for an invalid class, so that we can always unambiguously express when something doesn't belong to the classification. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> #v2 Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171110142634.10551-1-chris@chris-wilson.co.uk |
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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.