diff --git a/include/libcamera/ipa/soft.mojom b/include/libcamera/ipa/soft.mojom
index 77328c5f..aff8fcbd 100644
--- a/include/libcamera/ipa/soft.mojom
+++ b/include/libcamera/ipa/soft.mojom
@@ -17,7 +17,8 @@ interface IPASoftInterface {
 	     libcamera.SharedFD fdStats,
 	     libcamera.SharedFD fdParams,
 	     libcamera.IPACameraSensorInfo sensorInfo,
-	     libcamera.ControlInfoMap sensorControls)
+	     libcamera.ControlInfoMap sensorControls,
+	     bool gpuIspEnabled)
 		=> (int32 ret, libcamera.ControlInfoMap ipaControls, bool ccmEnabled);
 	start() => (int32 ret);
 	stop();
diff --git a/src/ipa/simple/ipa_context.h b/src/ipa/simple/ipa_context.h
index 7837bb4d..26db92e9 100644
--- a/src/ipa/simple/ipa_context.h
+++ b/src/ipa/simple/ipa_context.h
@@ -105,6 +105,7 @@ struct IPAContext {
 	FCQueue<IPAFrameContext> frameContexts;
 	ControlInfoMap::Map ctrlMap;
 	bool ccmEnabled = false;
+	bool gpuIspEnabled = false;
 };
 
 } /* namespace ipa::soft */
diff --git a/src/ipa/simple/soft_simple.cpp b/src/ipa/simple/soft_simple.cpp
index dde11666..57836c73 100644
--- a/src/ipa/simple/soft_simple.cpp
+++ b/src/ipa/simple/soft_simple.cpp
@@ -55,6 +55,7 @@ public:
 		 const SharedFD &fdParams,
 		 const IPACameraSensorInfo &sensorInfo,
 		 const ControlInfoMap &sensorControls,
+		 bool gpuIspEnabled,
 		 ControlInfoMap *ipaControls,
 		 bool *ccmEnabled) override;
 	int configure(const IPAConfigInfo &configInfo) override;
@@ -95,6 +96,7 @@ int IPASoftSimple::init(const IPASettings &settings,
 			const SharedFD &fdParams,
 			const IPACameraSensorInfo &sensorInfo,
 			const ControlInfoMap &sensorControls,
+			bool gpuIspEnabled,
 			ControlInfoMap *ipaControls,
 			bool *ccmEnabled)
 {
@@ -106,6 +108,7 @@ int IPASoftSimple::init(const IPASettings &settings,
 	}
 
 	context_.sensorInfo = sensorInfo;
+	context_.gpuIspEnabled = gpuIspEnabled;
 
 	/* Load the tuning data file */
 	File file(settings.configurationFile);
diff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp
index 5e837af4..5a93442f 100644
--- a/src/libcamera/software_isp/software_isp.cpp
+++ b/src/libcamera/software_isp/software_isp.cpp
@@ -121,14 +121,20 @@ SoftwareIsp::SoftwareIsp(PipelineHandler *pipe, const CameraSensor *sensor,
 	}
 	stats->statsReady.connect(this, &SoftwareIsp::statsReady);
 
+	bool gpuIspEnabled;
+
 #if HAVE_DEBAYER_EGL
 	std::optional<std::string> softISPMode = configuration.envOption("LIBCAMERA_SOFTISP_MODE", { "software_isp", "mode" });
 
-	if (softISPMode && softISPMode == "gpu")
+	if (softISPMode && softISPMode == "gpu") {
 		debayer_ = std::make_unique<DebayerEGL>(std::move(stats), configuration);
+		gpuIspEnabled = true;
+	}
 #endif
-	if (!debayer_)
+	if (!debayer_) {
 		debayer_ = std::make_unique<DebayerCpu>(std::move(stats), configuration);
+		gpuIspEnabled = false;
+	}
 
 	debayer_->inputBufferReady.connect(this, &SoftwareIsp::inputReady);
 	debayer_->outputBufferReady.connect(this, &SoftwareIsp::outputReady);
@@ -160,6 +166,7 @@ SoftwareIsp::SoftwareIsp(PipelineHandler *pipe, const CameraSensor *sensor,
 			 sharedParams_.fd(),
 			 sensorInfo,
 			 sensor->controls(),
+			 gpuIspEnabled,
 			 ipaControls,
 			 &ccmEnabled_);
 	if (ret) {