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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 the GX domain for that use case. As part of
this add a dummy enable function for the GX gdsc to simulate success
so that the pm_runtime reference counting is correct. This matches
what was done in sdm845 in commit 85a3d920d30a ("clk: qcom: Add a
dummy enable function for GX gdsc").
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/1581307266-26989-2-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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It's nicer to use ARRAY_SIZE instead of hardcoding. Had we always
been doing this it would have prevented a previous bug. See commit
74c31ff9c84a ("clk: qcom: gpu_cc_gmu_clk_src has 5 parents, not 6").
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.10.I3bf44e33f4dc7ecca10a50dbccb7dc082894fa59@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.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: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200203103049.v4.9.I6d5276b768f6593053be036a3e70cce298d39f0c@changeid
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add support for the graphics clock controller found on SC7180
based devices. This would allow graphics drivers to probe and
control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lkml.kernel.org/r/1577428714-17766-4-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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