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[ Upstream commit4e7c4d3652] GDSCs have multiple transition delays which are used for the GDSC FSM states. Older targets/designs required these values to be updated from gdsc code to certain default values for the FSM state to work as expected. But on the newer targets/designs the values updated from the GDSC driver can hamper the FSM state to not work as expected. On SC7180 we observe black screens because the gdsc is being enabled/disabled very rapidly and the GDSC FSM state does not work as expected. This is due to the fact that the GDSC reset value is being updated from SW. Thus add support to update the transition delay from the clock controller gdscs as required. Fixes:45dd0e5531("clk: qcom: Add support for GDSCs) Signed-off-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/20220223185606.3941-1-tdas@codeaurora.org Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Stephen Boyd <sboyd@kernel.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.