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148493a81e
[why] There is case when the userspace like IGT test updates the custom timings, i.e. the number of active lines CRTC property value, and without committing the change, followed by resetting the display, creating FB and plane to the pipe and committing. The NULL pointer of pipe_ctx->plane_state occurs and result in kernel crash. We need to avoid that. [how] add pointer check for the dc_plane_state of the pipe context in the call of committing planes for stream in DC component. Signed-off-by: Robin Singh <robin.singh@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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.