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A mirror of the official Linux kernel repository just in case
0cf09702a1
In the if (old_ddps != port->ddps || !created) if (port->ddps && !port->input) ret = drm_dp_send_enum_path_resources(); sequence the first if's condition is true if the port exists already (!created) or the port was created anew (hence old_ddps==0) and it was in the plugged state (port->ddps==1). The second if's condition is true for output ports in the plugged state. So the function is called for an output port in the plugged state, regardless if it already existed or not and regardless of the old plugged state. In all other cases port->full_pbn can be zeroed as the port is either an input for which full_pbn is never set, or an output in the unplugged state for which full_pbn was already zeroed previously or the port was just created (with port->full_pbn==0). Simplify the condition, making it clear that the path resources are always enumerated for an output port in the plugged state. Cc: Lyude Paul <lyude@redhat.com> Cc: dri-devel@lists.freedesktop.org Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240722165503.2084999-4-imre.deak@intel.com |
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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.