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On chipsets such as QCS615, there is no 3dmux present. In such a case, a layer exceeding the max_mixer_width cannot be split, hence cannot be supported. Filter out the modes which exceed the max_mixer_width when there is no 3dmux present. Also, add a check in the dpu_crtc_atomic_check() to return failure for such modes. Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Tested-by: Xiangxu Yin <quic_xiangxuy@quicinc.com> # QCS615 Patchwork: https://patchwork.freedesktop.org/patch/627974/ Link: https://lore.kernel.org/r/20241209-no_3dmux-v3-1-48aaa555b0d3@quicinc.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
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.