diff --git a/src/ipa/ipu3/ipa_context.cpp b/src/ipa/ipu3/ipa_context.cpp
index 13cdb835ef7f..06fdf2a1efc7 100644
--- a/src/ipa/ipu3/ipa_context.cpp
+++ b/src/ipa/ipu3/ipa_context.cpp
@@ -126,8 +126,8 @@ namespace libcamera::ipa::ipu3 {
  * \var IPASessionConfiguration::sensor.lineDuration
  * \brief Line duration in microseconds
  *
- * \var IPASessionConfiguration::sensor.defVBlank
- * \brief The default vblank value of the sensor
+ * \var IPASessionConfiguration::sensor.vBlank
+ * \brief The vertical blanking expressed in number of lines
  */
 
 /**
diff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h
index 42e11141d3a1..a5b878ab7792 100644
--- a/src/ipa/ipu3/ipa_context.h
+++ b/src/ipa/ipu3/ipa_context.h
@@ -43,7 +43,7 @@ struct IPASessionConfiguration {
 	} agc;
 
 	struct {
-		int32_t defVBlank;
+		int32_t vBlank;
 		utils::Duration lineDuration;
 	} sensor;
 };
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index 7e8bf0feee8a..3efbc84c4ef1 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -149,7 +149,7 @@ public:
 				const uint32_t bufferId,
 				const ControlList &sensorControls) override;
 private:
-	void updateSessionConfiguration(const ControlInfoMap &sensorControls);
+	void updateSessionConfiguration(const IPAConfigInfo &info);
 
 	bool validateSensorControls();
 
@@ -177,10 +177,12 @@ private:
  * \brief Compute IPASessionConfiguration using the sensor information and the
  * sensor V4L2 controls
  */
-void IPAIPU3::updateSessionConfiguration(const ControlInfoMap &sensorControls)
+void IPAIPU3::updateSessionConfiguration(const IPAConfigInfo &info)
 {
-	const ControlInfo vBlank = sensorControls.find(V4L2_CID_VBLANK)->second;
-	context_.configuration.sensor.defVBlank = vBlank.def().get<int32_t>();
+	const IPACameraSensorInfo &sensorInfo = info.sensorInfo;
+	context_.configuration.sensor.vBlank = sensorInfo.vblank;
+
+	const ControlInfoMap &sensorControls = info.sensorControls;
 
 	const ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;
 	int32_t minExposure = v4l2Exposure.min().get<int32_t>();
@@ -391,7 +393,7 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo)
 	}
 
 	/* Update the IPASessionConfiguration using the sensor settings. */
-	updateSessionConfiguration(sensorCtrls_);
+	updateSessionConfiguration(configInfo);
 
 	for (auto const &algo : algorithms_) {
 		int ret = algo->configure(context_, configInfo);
@@ -501,7 +503,7 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
 	frameContext.sensor.gain = camHelper_->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());
 
 	double lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();
-	int32_t vBlank = context_.configuration.sensor.defVBlank;
+	int32_t vBlank = context_.configuration.sensor.vBlank;
 	ControlList ctrls(controls::controls);
 
 	for (auto const &algo : algorithms_)
@@ -509,7 +511,6 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
 
 	setControls(frame);
 
-	/* \todo Use VBlank value calculated from each frame exposure. */
 	int64_t frameDuration = (vBlank + sensorInfo_.outputSize.height) * lineDuration;
 	ctrls.set(controls::FrameDuration, frameDuration);