Greg Kroah-Hartman 02ce4c943e i915: fix build warning in intel_dp_get_link_status()
There is a build warning using gcc-11 showing a mis-match in the .h and .c
definitions of intel_dp_get_link_status():
  CC [M]  drivers/gpu/drm/i915/display/intel_dp.o
drivers/gpu/drm/i915/display/intel_dp.c:4139:56: warning: argument 2 of type ‘u8[6]’ {aka ‘unsigned char[6]’} with mismatched bound [-Warray-parameter=]
 4139 | intel_dp_get_link_status(struct intel_dp *intel_dp, u8 link_status[DP_LINK_STATUS_SIZE])
      |                                                     ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/i915/display/intel_dp.c:51:
drivers/gpu/drm/i915/display/intel_dp.h:105:57: note: previously declared as ‘u8 *’ {aka ‘unsigned char *’}
  105 | intel_dp_get_link_status(struct intel_dp *intel_dp, u8 *link_status);
      |                                                     ~~~~^~~~~~~~~~~

This was fixed accidentally commit b30edfd8d0b4 ("drm/i915: Switch to LTTPR
non-transparent mode link training") by getting rid of the function entirely,
but that is not a viable backport for a stable kernel, so just fix up the
function definition to remove the build warning entirely.  There is no
functional change for this, and it fixes up one of the last 'make allmodconfig'
build warnings when using gcc-11 on this kernel tree.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-03 09:00:51 +02:00
2021-05-19 10:13:11 +02:00
2020-10-17 11:18:18 -07:00
2021-05-28 13:17:44 +02:00

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.
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