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The DRM subsystem specifies the pixel clock polarity from a controllers perspective: DRM_BUS_FLAG_PIXDATA_NEGEDGE means the controller drives the data on pixel clocks falling edge. That is the controllers DOTCLK_POL=0 (Default is data launched at negative edge). Also change the data enable logic to be high active by default and only change if explicitly requested via bus_flags. With that defaults are: - Data enable: high active - Pixel clock polarity: controller drives data on negative edge Signed-off-by: Stefan Agner <stefan@agner.ch> Acked-by: Marek Vasut <marex@denx.de> Signed-off-by: Dave Airlie <airlied@redhat.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.