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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-06-20 06:07:08 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-14 22:36:03 -0300 |
| commit | 3e9a0e0bfafdf6c28c520d43fd64c5775d04662f (patch) | |
| tree | 80f6bed9a8978beefe863a4e3a0d0ad6bc33ee8a /drivers/media/platform/vsp1/vsp1_video.c | |
| parent | 99bb078eee469f7284b1dca36cf9edf7af1a92bf (diff) | |
| download | kernel_replicant_linux-3e9a0e0bfafdf6c28c520d43fd64c5775d04662f.tar.gz kernel_replicant_linux-3e9a0e0bfafdf6c28c520d43fd64c5775d04662f.tar.bz2 kernel_replicant_linux-3e9a0e0bfafdf6c28c520d43fd64c5775d04662f.zip | |
[media] v4l: vsp1: wpf: Implement rotation support
Some WPF instances, on Gen3 devices, can perform 90° rotation when
writing frames to memory. Implement support for this using the
V4L2_CID_ROTATE control.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_video.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_video.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 5239e08fabc3..795a3ca9ca03 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -187,9 +187,13 @@ static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) struct vsp1_entity *entity; unsigned int div_size; + /* + * Partitions are computed on the size before rotation, use the format + * at the WPF sink. + */ format = vsp1_entity_get_pad_format(&pipe->output->entity, pipe->output->entity.config, - RWPF_PAD_SOURCE); + RWPF_PAD_SINK); div_size = format->width; /* Gen2 hardware doesn't require image partitioning. */ @@ -229,9 +233,13 @@ static struct v4l2_rect vsp1_video_partition(struct vsp1_pipeline *pipe, struct v4l2_rect partition; unsigned int modulus; + /* + * Partitions are computed on the size before rotation, use the format + * at the WPF sink. + */ format = vsp1_entity_get_pad_format(&pipe->output->entity, pipe->output->entity.config, - RWPF_PAD_SOURCE); + RWPF_PAD_SINK); /* A single partition simply processes the output size in full. */ if (pipe->partitions <= 1) { |