[v4,1/3] libcamera: pipeline_handler: Provide cancelRequest
diff mbox series

Message ID 20241018092716.295624-2-mzamazal@redhat.com
State New
Headers show
Series
  • Clean up pending requests on stop in software ISP
Related show

Commit Message

Milan Zamazal Oct. 18, 2024, 9:27 a.m. UTC
Let's extract the two occurrences of canceling a request to a common
helper.  This is especially useful for the followup patch, which needs
to cancel a request from outside.

Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
---
 include/libcamera/internal/pipeline_handler.h |  1 +
 src/libcamera/pipeline_handler.cpp            | 23 +++++++++++++------
 2 files changed, 17 insertions(+), 7 deletions(-)

Comments

Kieran Bingham Oct. 18, 2024, 9:23 p.m. UTC | #1
Quoting Milan Zamazal (2024-10-18 10:27:14)
> Let's extract the two occurrences of canceling a request to a common
> helper.  This is especially useful for the followup patch, which needs
> to cancel a request from outside.
> 
> Signed-off-by: Milan Zamazal <mzamazal@redhat.com>

Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

This series fixes the assertion at shutdown with a large buffer count:

Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

> ---
>  include/libcamera/internal/pipeline_handler.h |  1 +
>  src/libcamera/pipeline_handler.cpp            | 23 +++++++++++++------
>  2 files changed, 17 insertions(+), 7 deletions(-)
> 
> diff --git a/include/libcamera/internal/pipeline_handler.h b/include/libcamera/internal/pipeline_handler.h
> index 0d3808036..fb28a18d0 100644
> --- a/include/libcamera/internal/pipeline_handler.h
> +++ b/include/libcamera/internal/pipeline_handler.h
> @@ -60,6 +60,7 @@ public:
>  
>         bool completeBuffer(Request *request, FrameBuffer *buffer);
>         void completeRequest(Request *request);
> +       void cancelRequest(Request *request);
>  
>         std::string configurationFile(const std::string &subdir,
>                                       const std::string &name) const;
> diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp
> index e59404691..c9cb11f0f 100644
> --- a/src/libcamera/pipeline_handler.cpp
> +++ b/src/libcamera/pipeline_handler.cpp
> @@ -367,9 +367,7 @@ void PipelineHandler::stop(Camera *camera)
>         while (!waitingRequests_.empty()) {
>                 Request *request = waitingRequests_.front();
>                 waitingRequests_.pop();
> -
> -               request->_d()->cancel();
> -               completeRequest(request);
> +               cancelRequest(request);
>         }
>  
>         /* Make sure no requests are pending. */
> @@ -470,10 +468,8 @@ void PipelineHandler::doQueueRequest(Request *request)
>         }
>  
>         int ret = queueRequestDevice(camera, request);
> -       if (ret) {
> -               request->_d()->cancel();
> -               completeRequest(request);
> -       }
> +       if (ret)
> +               cancelRequest(request);
>  }
>  
>  /**
> @@ -568,6 +564,19 @@ void PipelineHandler::completeRequest(Request *request)
>         }
>  }
>  
> +/**
> + * \brief Cancel request and signal its completion
> + * \param[in] request The request to cancel
> + *
> + * This function cancels the request in addition to its completion. The same
> + * rules as for completeRequest() apply.
> + */
> +void PipelineHandler::cancelRequest(Request *request)
> +{
> +       request->_d()->cancel();
> +       completeRequest(request);
> +}
> +
>  /**
>   * \brief Retrieve the absolute path to a platform configuration file
>   * \param[in] subdir The pipeline handler specific subdirectory name
> -- 
> 2.44.1
>

Patch
diff mbox series

diff --git a/include/libcamera/internal/pipeline_handler.h b/include/libcamera/internal/pipeline_handler.h
index 0d3808036..fb28a18d0 100644
--- a/include/libcamera/internal/pipeline_handler.h
+++ b/include/libcamera/internal/pipeline_handler.h
@@ -60,6 +60,7 @@  public:
 
 	bool completeBuffer(Request *request, FrameBuffer *buffer);
 	void completeRequest(Request *request);
+	void cancelRequest(Request *request);
 
 	std::string configurationFile(const std::string &subdir,
 				      const std::string &name) const;
diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp
index e59404691..c9cb11f0f 100644
--- a/src/libcamera/pipeline_handler.cpp
+++ b/src/libcamera/pipeline_handler.cpp
@@ -367,9 +367,7 @@  void PipelineHandler::stop(Camera *camera)
 	while (!waitingRequests_.empty()) {
 		Request *request = waitingRequests_.front();
 		waitingRequests_.pop();
-
-		request->_d()->cancel();
-		completeRequest(request);
+		cancelRequest(request);
 	}
 
 	/* Make sure no requests are pending. */
@@ -470,10 +468,8 @@  void PipelineHandler::doQueueRequest(Request *request)
 	}
 
 	int ret = queueRequestDevice(camera, request);
-	if (ret) {
-		request->_d()->cancel();
-		completeRequest(request);
-	}
+	if (ret)
+		cancelRequest(request);
 }
 
 /**
@@ -568,6 +564,19 @@  void PipelineHandler::completeRequest(Request *request)
 	}
 }
 
+/**
+ * \brief Cancel request and signal its completion
+ * \param[in] request The request to cancel
+ *
+ * This function cancels the request in addition to its completion. The same
+ * rules as for completeRequest() apply.
+ */
+void PipelineHandler::cancelRequest(Request *request)
+{
+	request->_d()->cancel();
+	completeRequest(request);
+}
+
 /**
  * \brief Retrieve the absolute path to a platform configuration file
  * \param[in] subdir The pipeline handler specific subdirectory name