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[ Upstream commit64b22a0da1] If there are errors while trying to enable the pm in the bind path, it will lead to unclocked access of hw revision register thereby crashing the device. This will not address why the pm_runtime_get_sync() fails but at the very least we should be able to prevent the crash by handling the error and bailing out earlier. changes in v2: - use pm_runtime_resume_and_get() instead of pm_runtime_get_sync() Fixes:25fdd5933e("drm/msm: Add SDM845 DPU support") Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Reviewed-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Patchwork: https://patchwork.freedesktop.org/patch/486721/ Link: https://lore.kernel.org/r/20220518223407.26147-1-quic_abhinavk@quicinc.com Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com> 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.