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It is completely not obvious, but the so-called 'hpd' clocks and regulators are required for the HDMI host to function properly. Merge pwr and hpd regulators. Use regulators, clocks and pinctrl to implement proper runtime PM callbacks. Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/651715/ Link: https://lore.kernel.org/r/20250505-fd-hdmi-hpd-v5-9-48541f76318c@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>