libcamera: ipu3: Limit resolution to 2560x1920

As the procedure to configure the intermediate sizes and the alignement
requirements of the ImgU device have not been clarified yet, return as
default configuration the (2560x1920) resolution that has been validated
for both cameras.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

1 files changed, 10 insertions, 3 deletions

diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index 25434d52..a0040915 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -206,10 +206,17 @@ PipelineHandlerIPU3::streamConfiguration(Camera *camera,
 	std::map<Stream *, StreamConfiguration> configs;
 	IPU3CameraData *data = cameraData(camera);
 	StreamConfiguration *config = &configs[&data->stream_];
-	Size *maxSize = &data->.cio2_.maxSize_;
 
-	config->width = maxSize->width;
-	config->height = maxSize->height;
+	/*
+	 * FIXME: Soraka: the maximum resolution reported by both sensors
+	 * (2592x1944 for ov5670 and 4224x3136 for ov13858) are returned as
+	 * default configurations but they're not correctly processed by the
+	 * ImgU. Resolutions up tp 2560x1920 have been validated.
+	 *
+	 * \todo Clarify ImgU alignement requirements.
+	 */
+	config->width = 2560;
+	config->height = 1920;
 	config->pixelFormat = V4L2_PIX_FMT_NV12;
 	config->bufferCount = IPU3_BUFFER_COUNT;