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The GPUCC block on SM6375 is powered by VDD_CX and VDD_GX. If the latter
rail is not online, GX_GDSC will never turn on. Enable runtime pm so that
we can reference VDD_GX from the dt to ensure that.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230529-topic-sm6375gpuccpd-v1-2-8d57c41a6066@linaro.org
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Configure the disable wait value on the CX GDSC to ensure we don't get
any undefined behavior. This was omitted when first adding the driver.
Fixes: 8397e24278b3 ("clk: qcom: Add GPU clock controller driver for SM6375")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230329140135.2178957-1-konrad.dybcio@linaro.org
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gcc with W=1 reports these errors
drivers/clk/qcom/gpucc-sm6375.c:145:37: error:
‘gpucc_parent_data_2’ defined but not used [-Werror=unused-const-variable=]
145 | static const struct clk_parent_data gpucc_parent_data_2[] = {
| ^~~~~~~~~~~~~~~~~~~
drivers/clk/qcom/gpucc-sm6375.c:139:32: error:
‘gpucc_parent_map_2’ defined but not used [-Werror=unused-const-variable=]
139 | static const struct parent_map gpucc_parent_map_2[] = {
| ^~~~~~~~~~~~~~~~~~
These variables are not used, so remove them.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230315155630.1740065-1-trix@redhat.com
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Add support for the GPU clock controller found on SM6375.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230208091340.124641-9-konrad.dybcio@linaro.org
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