From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxx> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> --- drivers/media/platform/vsp1/vsp1_video.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 563f9a02c373..d1ecc3d91290 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -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. */ /** -- 2.19.1
