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Douglas Anderson d43f0fe153 drm/panel: s6e63m0: Don't store+check prepared/enabled 
As talked about in commit d2aacaf073 ("drm/panel: Check for already
prepared/enabled in drm_panel"), we want to remove needless code from
panel drivers that was storing and double-checking the
prepared/enabled state. Even if someone was relying on the
double-check before, that double-check is now in the core and not
needed in individual drivers.

For the s6e63m0 panel driver, this actually fixes a subtle/minor error
handling bug in s6e63m0_prepare(). In one error case s6e63m0_prepare()
called s6e63m0_unprepare() directly if there was an error. This call
to s6e63m0_unprepare() would have been a no-op since ctx->prepared
wasn't set yet.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230804140605.RFC.2.Iabafd062e70f6b6b554cf23eeb75f57a80f7e985@changeid
History 2023-09-13 08:36:18 -07:00
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README

README 

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.