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According to bspec, result_lines > 31 is only a maximum for latency level 1 through 7. For level 0 the number of lines is ignored, so always write 0 there to prevent overflowing the 5 bits value. This is required to make NV12 work. Changes since v1: - Rebase on top of GEN11 wm changes. It seems to use res_lines for level 0 limit calculations, but still doesn't appear to program it. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> #v1 Link: https://patchwork.freedesktop.org/patch/msgid/20180205105841.31634-1-maarten.lankhorst@linux.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.