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6b57ba3243
atomic_get_output_bus_fmts() is only called when the bridge is the last
element in the bridge chain.
If mtk-dpi is not the last bridge, the format of output_bus_cfg is
MEDIA_BUS_FMT_FIXED, and mtk_dpi_dual_edge() will fail to write correct
value to regs.
Fixes: ec8747c524 ("drm/mediatek: dpi: Add bus format negotiation")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.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 Restructured Text 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.