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Let's disable planes on all pipes affected by the modeset before we start doing the actual modeset. This means we have less random planes enabled during the modeset, and it also mirrors what we already do when enabling pipes on skl+ since we enable planes on all pipes as the very last step. As a bonus we also nuke a bunch og bigjoiner special casing. I've occasionally pondered about going even furher here and doing the pre_plane_update() stuff for all pipes first, then actually disabling the planes, and finally running the rest of the modeset sequence. This would potentially allow parallelizing all the extra vblank waits across multiple pipes, and would make the plane disable even more atomic. But let's go one step a time here. Cc: José Roberto de Souza <jose.souza@intel.com> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211022103304.24164-4-ville.syrjala@linux.intel.com Reviewed-by: José Roberto de Souza <jose.souza@intel.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.