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Tomi Valkeinen c12df0f5ca Revert "drm/atomic-helper: Re-order bridge chain pre-enable and post-disable" 
commit c1ef9a6cab upstream.

This reverts commit c9b1150a68.

Changing the enable/disable sequence has caused regressions on multiple
platforms: R-Car, MCDE, Rockchip. A series (see link below)  was sent to
fix these, but it was decided that it's better to revert the original
patch and change the enable/disable sequence only in the tidss driver.

Reverting this commit breaks tidss's DSI and OLDI outputs, which will be
fixed in the following commits.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://lore.kernel.org/all/20251202-mcde-drm-regression-thirdfix-v6-0-f1bffd4ec0fa%40kernel.org/
Fixes: c9b1150a68 ("drm/atomic-helper: Re-order bridge chain pre-enable and post-disable")
Cc: stable@vger.kernel.org # v6.17+
Reviewed-by: Aradhya Bhatia <aradhya.bhatia@linux.dev>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Tested-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20251205-drm-seq-fix-v1-1-fda68fa1b3de@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-17 16:35:12 +01:00
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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 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.