From c89cfa534ba1d35e35de7d33c57a6c2906a5b11f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>
Date: Fri, 10 Jan 2020 18:41:30 +0100
Subject: cam: Cache buffer memory mapping
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

With the buffer allocator in use it's possible to cache the dmabuf
memory mappings when starting the camera instead of mapping and
unmapping them each time.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 src/cam/capture.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/cam/capture.cpp')

diff --git a/src/cam/capture.cpp b/src/cam/capture.cpp
index dd078eb0..738fa1c2 100644
--- a/src/cam/capture.cpp
+++ b/src/cam/capture.cpp
@@ -116,6 +116,9 @@ int Capture::capture(EventLoop *loop, FrameBufferAllocator *allocator)
 					  << std::endl;
 				return ret;
 			}
+
+			if (writer_)
+				writer_->mapBuffer(buffer.get());
 		}
 
 		requests.push_back(request);
-- 
cgit v1.2.1