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We currently call mdp5_pipe_assign() twice to assign the left and right hwpipes for our drm_plane. When merging 2 hwpipes, there are a few constraints that we need to keep in mind: - Only the same types of SSPPs are preferred. I.e, a RGB pipe should be paired with another RGB pipe, VIG with VIG etc. - The hwpipe staged on the left should have a higher priority than the hwpipe staged on the right. The priorities are as follows: VIG0 > VIG1 > VIG2 > VIG3 RGB0 > RGB1 > RGB2 > RGB3 DMA0 > DMA1 We can't apply these constraints easily if mdp5_pipe_assign() is called twice. Update mdp5_pipe_assign() to find both hwpipes in one go, and add the extra constraints needed. Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.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.