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-rw-r--r--src/libcamera/pipeline/raspberrypi/raspberrypi.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index 9d887b70..f4966f86 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -1014,6 +1014,11 @@ int PipelineHandlerRPi::configureIPA(Camera *camera)
/*
* The vcsm allocation will always be in the memory region
* < 32-bits to allow Videocore to access the memory.
+ *
+ * \todo Sending a pointer to the IPA is a workaround for
+ * vc_sm_cma not yet supporting dmabuf. This will not work with
+ * IPA module isolation and should be reworked when vc_sma_cma
+ * will permit.
*/
IPAOperationData op;
op.operation = RPI_IPA_EVENT_LS_TABLE_ALLOCATION;