[RFC,v2,3/5] media: vsp1: Document partition algorithm in code header
Commit Message
From: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
The image partition algorithm operates on the image dimensions as input
into the WPF entity. Document this in the code block header.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
---
drivers/media/platform/vsp1/vsp1_video.c | 8 ++++++++
1 file changed, 8 insertions(+)
@@ -173,6 +173,14 @@ static int __vsp1_video_try_format(struct vsp1_video *video,
/* -----------------------------------------------------------------------------
* VSP1 Partition Algorithm support
+ *
+ * VSP hardware can have restrictions on image width dependent on the hardware
+ * configuration of the pipeline. Adapting for these restrictions is implemented
+ * via the partition algorithm.
+ *
+ * The partition windows and sizes are based on the output size of the WPF
+ * before rotation, which is represented by the input parameters to the WPF
+ * entity in our pipeline.
*/
/**