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Check whether anything relevant has actually change when we compute new watermarks for each plane in the state. If the watermarks for no primary/sprite planes changed we don't have to recompute the FIFO split or reprogram the DSBARB registers. And even the cursor watermarks didn't change we can skip the merge+invert step between all the planes on the pipe as well. v2: s/noninverted/raw/ for consistency with other platforms v3: Drop duplicated vlv_get_fifo_size() call during init Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170302171508.1666-9-ville.syrjala@linux.intel.com |
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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.