diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index af5f01eff872..5978e99a0e85 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -415,7 +415,6 @@ static void vc4_hdmi_encoder_post_crtc_powerdown(struct drm_encoder *encoder)
 		   HDMI_READ(HDMI_VID_CTL) & ~VC4_HD_VID_CTL_ENABLE);
 
 	clk_disable_unprepare(vc4_hdmi->pixel_bvb_clock);
-	clk_disable_unprepare(vc4_hdmi->hsm_clock);
 	clk_disable_unprepare(vc4_hdmi->pixel_clock);
 
 	ret = pm_runtime_put(&vc4_hdmi->pdev->dev);
@@ -666,13 +665,6 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder)
 		return;
 	}
 
-	ret = clk_prepare_enable(vc4_hdmi->hsm_clock);
-	if (ret) {
-		DRM_ERROR("Failed to turn on HSM clock: %d\n", ret);
-		clk_disable_unprepare(vc4_hdmi->pixel_clock);
-		return;
-	}
-
 	vc4_hdmi_cec_update_clk_div(vc4_hdmi);
 
 	/*
@@ -683,7 +675,6 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder)
 			       (hsm_rate > VC4_HSM_MID_CLOCK ? 150000000 : 75000000));
 	if (ret) {
 		DRM_ERROR("Failed to set pixel bvb clock rate: %d\n", ret);
-		clk_disable_unprepare(vc4_hdmi->hsm_clock);
 		clk_disable_unprepare(vc4_hdmi->pixel_clock);
 		return;
 	}
@@ -691,7 +682,6 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder)
 	ret = clk_prepare_enable(vc4_hdmi->pixel_bvb_clock);
 	if (ret) {
 		DRM_ERROR("Failed to turn on pixel bvb clock: %d\n", ret);
-		clk_disable_unprepare(vc4_hdmi->hsm_clock);
 		clk_disable_unprepare(vc4_hdmi->pixel_clock);
 		return;
 	}
@@ -1724,6 +1714,29 @@ static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int vc4_hdmi_runtime_suspend(struct device *dev)
+{
+	struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev);
+
+	clk_disable_unprepare(vc4_hdmi->hsm_clock);
+
+	return 0;
+}
+
+static int vc4_hdmi_runtime_resume(struct device *dev)
+{
+	struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev);
+	int ret;
+
+	ret = clk_prepare_enable(vc4_hdmi->hsm_clock);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+#endif
+
 static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
 {
 	const struct vc4_hdmi_variant *variant = of_device_get_match_data(dev);
@@ -1959,11 +1972,18 @@ static const struct of_device_id vc4_hdmi_dt_match[] = {
 	{}
 };
 
+static const struct dev_pm_ops vc4_hdmi_pm_ops = {
+	SET_RUNTIME_PM_OPS(vc4_hdmi_runtime_suspend,
+			   vc4_hdmi_runtime_resume,
+			   NULL)
+};
+
 struct platform_driver vc4_hdmi_driver = {
 	.probe = vc4_hdmi_dev_probe,
 	.remove = vc4_hdmi_dev_remove,
 	.driver = {
 		.name = "vc4_hdmi",
 		.of_match_table = vc4_hdmi_dt_match,
+		.pm = &vc4_hdmi_pm_ops,
 	},
 };