[v7,3/6] ipa: rkisp1: algorithms: dpf: Refactor prepare() into helpers
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Message ID 20260113174642.1185403-4-rui.wang@ideasonboard.com
State New
Headers show
Series
  • refactor DPF parsing and initialization
Related show

Commit Message

Rui Wang Jan. 13, 2026, 5:46 p.m. UTC 
Split the prepare() function into prepareDisabledMode() and
prepareEnabledMode() to improve readability and maintainability.

This separates the logic for disabling and enabling the DPF, making
the main prepare() function cleaner and easier to follow.

Signed-off-by: Rui Wang <rui.wang@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

---
changelog since v5i/v6:  Nothing changed

 Reviewed-by tags from v5 are carried over (no code changes).
---
 src/ipa/rkisp1/algorithms/dpf.cpp | 80 ++++++++++++++++++++-----------
 src/ipa/rkisp1/algorithms/dpf.h   |  7 +++
 2 files changed, 58 insertions(+), 29 deletions(-)

Patch
diff mbox series 

diff --git a/src/ipa/rkisp1/algorithms/dpf.cpp b/src/ipa/rkisp1/algorithms/dpf.cpp
index 3cab1f6b..6c0ef611 100644
--- a/src/ipa/rkisp1/algorithms/dpf.cpp
+++ b/src/ipa/rkisp1/algorithms/dpf.cpp
@@ -321,38 +321,60 @@  void Dpf::prepare(IPAContext &context, const uint32_t frame,
 	if (!frameContext.dpf.update && frame > 0)
 		return;
 
+	if (!frameContext.dpf.denoise) {
+		prepareDisabledMode(context, frame, frameContext, params);
+		return;
+	}
+
+	prepareEnabledMode(context, frame, frameContext, params);
+}
+
+void Dpf::prepareDisabledMode([[maybe_unused]] IPAContext &context,
+			      [[maybe_unused]] const uint32_t frame,
+			      [[maybe_unused]] IPAFrameContext &frameContext,
+			      RkISP1Params *params)
+{
+	auto dpfConfig = params->block<BlockType::Dpf>();
+	dpfConfig.setEnabled(false);
+	auto dpfStrength = params->block<BlockType::DpfStrength>();
+	dpfStrength.setEnabled(false);
+}
+
+void Dpf::prepareEnabledMode(IPAContext &context, [[maybe_unused]] const uint32_t frame,
+			     [[maybe_unused]] IPAFrameContext &frameContext,
+			     RkISP1Params *params)
+{
 	auto config = params->block<BlockType::Dpf>();
-	config.setEnabled(frameContext.dpf.denoise);
+	config.setEnabled(true);
+	*config = config_;
+
+	const auto &awb = context.configuration.awb;
+	const auto &lsc = context.configuration.lsc;
+
+	auto &mode = config->gain.mode;
+
+	/*
+	 * The DPF needs to take into account the total amount of
+	 * digital gain, which comes from the AWB and LSC modules. The
+	 * DPF hardware can be programmed with a digital gain value
+	 * manually, but can also use the gains supplied by the AWB and
+	 * LSC modules automatically when they are enabled. Use that
+	 * mode of operation as it simplifies control of the DPF.
+	 */
+	if (awb.enabled && lsc.enabled)
+		mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_AWB_LSC_GAINS;
+	else if (awb.enabled)
+		mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_AWB_GAINS;
+	else if (lsc.enabled)
+		mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_LSC_GAINS;
+	else
+		mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_DISABLED;
+
+	config_.gain.mode = mode;
 
 	auto strengthConfig = params->block<BlockType::DpfStrength>();
-	strengthConfig.setEnabled(frameContext.dpf.denoise);
-
-	if (frameContext.dpf.denoise) {
-		*config = config_;
-		*strengthConfig = strengthConfig_;
-
-		const auto &awb = context.configuration.awb;
-		const auto &lsc = context.configuration.lsc;
-
-		auto &mode = config->gain.mode;
-
-		/*
-		 * The DPF needs to take into account the total amount of
-		 * digital gain, which comes from the AWB and LSC modules. The
-		 * DPF hardware can be programmed with a digital gain value
-		 * manually, but can also use the gains supplied by the AWB and
-		 * LSC modules automatically when they are enabled. Use that
-		 * mode of operation as it simplifies control of the DPF.
-		 */
-		if (awb.enabled && lsc.enabled)
-			mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_AWB_LSC_GAINS;
-		else if (awb.enabled)
-			mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_AWB_GAINS;
-		else if (lsc.enabled)
-			mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_LSC_GAINS;
-		else
-			mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_DISABLED;
-	}
+	strengthConfig.setEnabled(true);
+	*strengthConfig = strengthConfig_;
 }
 
 REGISTER_IPA_ALGORITHM(Dpf, "Dpf")
diff --git a/src/ipa/rkisp1/algorithms/dpf.h b/src/ipa/rkisp1/algorithms/dpf.h
index 2a2c7052..fcf121cb 100644
--- a/src/ipa/rkisp1/algorithms/dpf.h
+++ b/src/ipa/rkisp1/algorithms/dpf.h
@@ -44,6 +44,13 @@  private:
 
 	bool loadReductionConfig(int32_t mode);
 
+	void prepareDisabledMode(IPAContext &context, const uint32_t frame,
+				 IPAFrameContext &frameContext,
+				 RkISP1Params *params);
+	void prepareEnabledMode(IPAContext &context, const uint32_t frame,
+				IPAFrameContext &frameContext,
+				RkISP1Params *params);
+
 	struct rkisp1_cif_isp_dpf_config config_;
 	struct rkisp1_cif_isp_dpf_strength_config strengthConfig_;
 	std::vector<ModeConfig> noiseReductionModes_;