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a9c4fbd544
Commit d49cd15550 ("OMAPDSS: DISPC: lock
access to DISPC_CONTROL & DISPC_CONFIG") added locking to
mgr_fld_write(). This was needed in omapfb times due to lack of good
locking, especially in the case of both V4L2 and fbdev layers using the
DSS driver.
This is not needed for omapdrm, so we can remove the locking.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190930103840.18970-2-tomi.valkeinen@ti.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.