[PATCH v3 4/9] ipa: rkisp1: Pass parameters buffer size to pipeline handler

[Jacopo Mondi]

The ISP parameters buffer currently has a fixed payload size, which is
hardcoded in the pipeline handler. To prepare for support of the
extensible parameters format that has a variable payload size, pass the
size from the IPA module to the pipeline handler explicitly. Keep the
size hardcoded to sizeof(struct rkisp1_params_cfg) for now, this will be
udpated later.

Signed-off-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder at ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
---
 include/libcamera/ipa/rkisp1.mojom       | 2 +-
 src/ipa/rkisp1/rkisp1.cpp                | 2 +-
 src/libcamera/pipeline/rkisp1/rkisp1.cpp | 7 +++----
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/include/libcamera/ipa/rkisp1.mojom b/include/libcamera/ipa/rkisp1.mojom
index 585d38572aa2..80d54a03aa90 100644
--- a/include/libcamera/ipa/rkisp1.mojom
+++ b/include/libcamera/ipa/rkisp1.mojom
@@ -37,7 +37,7 @@ interface IPARkISP1Interface {
 };
 
 interface IPARkISP1EventInterface {
-	paramsBufferReady(uint32 frame);
+	paramsBufferReady(uint32 frame, uint32 bytesused);
 	setSensorControls(uint32 frame, libcamera.ControlList sensorControls);
 	metadataReady(uint32 frame, libcamera.ControlList metadata);
 };
diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index 71698bc47391..84ffe6cf2777 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -332,7 +332,7 @@ void IPARkISP1::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
 	for (auto const &algo : algorithms())
 		algo->prepare(context_, frame, frameContext, params);
 
-	paramsBufferReady.emit(frame);
+	paramsBufferReady.emit(frame, sizeof(*params));
 }
 
 void IPARkISP1::processStatsBuffer(const uint32_t frame, const uint32_t bufferId,
diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
index 1cdb9a44f900..ef38d86dc4b4 100644
--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp
+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
@@ -110,7 +110,7 @@ public:
 	std::unique_ptr<ipa::rkisp1::IPAProxyRkISP1> ipa_;
 
 private:
-	void paramFilled(unsigned int frame);
+	void paramFilled(unsigned int frame, unsigned int bytesused);
 	void setSensorControls(unsigned int frame,
 			       const ControlList &sensorControls);
 
@@ -374,15 +374,14 @@ int RkISP1CameraData::loadIPA(unsigned int hwRevision)
 	return 0;
 }
 
-void RkISP1CameraData::paramFilled(unsigned int frame)
+void RkISP1CameraData::paramFilled(unsigned int frame, unsigned int bytesused)
 {
 	PipelineHandlerRkISP1 *pipe = RkISP1CameraData::pipe();
 	RkISP1FrameInfo *info = frameInfo_.find(frame);
 	if (!info)
 		return;
 
-	info->paramBuffer->_d()->metadata().planes()[0].bytesused =
-		sizeof(struct rkisp1_params_cfg);
+	info->paramBuffer->_d()->metadata().planes()[0].bytesused = bytesused;
 	pipe->param_->queueBuffer(info->paramBuffer);
 	pipe->stat_->queueBuffer(info->statBuffer);
 
-- 
2.45.2