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. Take care of this. Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- Konrad Dybcio (2): dt-bindings: clock: sm6375-gpucc: Add VDD_GX clk: qcom: gpucc-sm6375: Enable runtime pm .../devicetree/bindings/clock/qcom,sm6375-gpucc.yaml | 15 +++++++++++++++ drivers/clk/qcom/gpucc-sm6375.c | 19 +++++++++++++++++-- 2 files changed, 32 insertions(+), 2 deletions(-) --- base-commit: 6a3d37b4d885129561e1cef361216f00472f7d2e change-id: 20230529-topic-sm6375gpuccpd-ca741a64baf8 Best regards, -- Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>