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[media] v4l: vsp1: Align crop rectangle to even boundary for YUV formats

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Make sure that there are valid values in the crop rectangle to ensure
that the color plane doesn't get shifted when cropping.
Since there is no distinction between 12bit and 16bit YUV formats in
at the subdev level, use the more restrictive 12bit limits for all YUV
formats.

Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Damian Hobson-Garcia 2015-05-28 09:59:39 -03:00 committed by Mauro Carvalho Chehab
parent 1c991fee30
commit 85a0638b78
1 changed files with 11 additions and 0 deletions
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11
drivers/media/platform/vsp1/vsp1_rwpf.c
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@ -197,6 +197,17 @@ int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
*/
format = vsp1_entity_get_pad_format(&rwpf->entity, cfg, RWPF_PAD_SINK,
sel->which);
/* Restrict the crop rectangle coordinates to multiples of 2 to avoid
* shifting the color plane.
*/
if (format->code == MEDIA_BUS_FMT_AYUV8_1X32) {
sel->r.left = ALIGN(sel->r.left, 2);
sel->r.top = ALIGN(sel->r.top, 2);
sel->r.width = round_down(sel->r.width, 2);
sel->r.height = round_down(sel->r.height, 2);
}
sel->r.left = min_t(unsigned int, sel->r.left, format->width - 2);
sel->r.top = min_t(unsigned int, sel->r.top, format->height - 2);
if (rwpf->entity.type == VSP1_ENTITY_WPF) {