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For consistency s/intel_get_shared_dpll()/intel_reserve_shared_dplls()/ to better match intel_release_shared_dplls(). Also, pass to the reserve/release and get_dplls/put_dplls hooks the intel_atomic_state and CRTC object, that way these functions can look up the old or new state as needed. Also release the PLLs from the atomic state via a new put_dplls->intel_unreference_shared_dpll() call chain for better symmetry with the reservation via the get_dplls->intel_reference_shared_dpll() call chain. Since nothing uses the PLL returned by intel_reserve_shared_dplls(), make it return only a bool. While at it also clarify the reserve/release function docbook headers making it clear that multiple DPLLs will be reserved/released and whether the new or old atomic CRTC state is affected. This refactoring is also a preparation for a follow-up change that needs to reserve multiple DPLLs. Kudos to Ville for the idea to pass intel_atomic_state around, to make things clearer locally where an object's old/new atomic state is required. No functional changes. v2: - Fix checkpatch issue: typo in code comment. v3: - Rebase on drm-tip. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-17-imre.deak@intel.com |
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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.