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There is no need to register GPU clock controllers during subsys init
calls. Use module_platform_driver() instead.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240206-clk-module-platform-driver-v1-3-db799bd2feeb@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Revert the postponement of clk_disable_unused() for clock providers that
implement sync_state, and the change to drivers implementing this, until
agreement on the implementation has been reached.
This reverts:
29e31415e14e ("clk: qcom: Remove need for clk_ignore_unused on sc8280xp")
99c0f7d35c4b ("clk: qcom: sdm845: Use generic clk_sync_state_disable_unused callback")
26b36df75166 ("clk: Add generic sync_state callback for disabling unused clocks")
Requested-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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The gdsc_init() function will rewrite the CLK_DIS_WAIT field while
registering the GDSC (writing the value 0x2 by default). This will
override the setting done in the driver's probe function.
Set cx_gdsc.clk_dis_wait_val to 8 to follow the intention of the probe
function.
Fixes: 453361cdd757 ("clk: qcom: Add graphics clock controller driver for SDM845")
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230201172305.993146-2-dmitry.baryshkov@linaro.org
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By adding the newly added clk_sync_state_disable_unused as sync_state
callback to all sdm845 clock providers, we make sure that no clock
belonging to these providers gets disabled on clk_disable_unused,
but rather they are disabled on sync_state, when it is safe, since
all the consumers build as modules have had their chance of enabling
their own clocks.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221227204528.1899863-2-abel.vesa@linaro.org
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The test clock isn't in the bindings and apparently it's not used by
anyone upstream. Remove it.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-15-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Convert the clock driver to specify parent data rather than parent
names, to actually bind using 'clock-names' specified in the DTS rather
than global clock names.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-13-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Drop unused enum entries from the list of parent enums.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210405224743.590029-6-dmitry.baryshkov@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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All gpucc drivers need this, so move it to common code instead of
duplicating it in every gpucc driver.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20200709135251.643-10-jonathan@marek.ca
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In an earlier version of commit 453361cdd757 ("clk: qcom: Add graphics
clock controller driver for SDM845") there were 6 listed parents for
"gpu_cc_gmu_clk_src". In the version that landed there were 5.
...but "num_parents" was still left at 6. On my system this goes boom
at bootup.
Fixes: 453361cdd757 ("clk: qcom: Add graphics clock controller driver for SDM845")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Most of the time the CPU should not be touching the GX
domain on the GPU except for a very special use case when
the CPU needs to force the GX headswitch off. Add a
dummy enable function for the GX gdsc to simulate success
so that the pm_runtime reference counting is correct.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add support for the graphics clock controller found on SDM845
based devices. This would allow graphics drivers to probe and
control their clocks.
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
[sboyd@kernel.org: Collapse return in probe into less lines]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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