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0741a8f2e5
[ Upstream commitdc659a4e85] drm_helper_hpd_irq_event() checks the epoch counter to determine connector status change. This was introduced in commit5186421cbf("drm: Introduce epoch counter to drm_connector"). Do the same for output_poll_execute() so it can detect other changes beside connection status value changes. v2: - Add Fixes tag (Daniel) Fixes:5186421cbf("drm: Introduce epoch counter to drm_connector") Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210313112545.37527-3-noralf@tronnes.org Signed-off-by: Sasha Levin <sashal@kernel.org>
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.