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Although i915 don't implement aux sync frame through tests was findout that pannels can do selective update when the y-coordinate is also included in SDP, that is why it is required to run PSR2 in i915. So moving to only one place the sink requirements that the actual driver needs to enable PSR2. Also intel_psr2_config_valid() is called every time the crtc config is computed, wasting some time every time it was checking for Y coordinate requirement. This allow us to nuke y_cord_support and some of VSC setup code that was handling a scenario that would never happen(PSR2 without Y coordinate). Also here renaming intel_dp_get_y_cord_status() to intel_dp_get_y_coord_required() as it more accurate to the name and function of bit according to eDP spec. Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180328223046.16125-4-jose.souza@intel.com
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.