[PATCH v3] media: venus: add support for selection rectangles

From: Jeffrey Kardatzke
Date: Tue Feb 18 2020 - 13:42:34 EST


From: Malathi Gottam <>

Handles target type crop by setting the new active rectangle
to hardware. The new rectangle should be within YUV size.

This was taken from: https://lkml.org/lkml/2018/11/9/899

Signed-off-by: Malathi Gottam <mgottam@xxxxxxxxxxxxxx>
Signed-off-by: Jeffrey Kardatzke <jkardatzke@xxxxxxxxxx>
---
drivers/media/platform/qcom/venus/venc.c | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 453edf966d4f..73b3181eed9a 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -479,10 +479,26 @@ venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)

switch (s->target) {
case V4L2_SEL_TGT_CROP:
- if (s->r.width != inst->out_width ||
- s->r.height != inst->out_height ||
- s->r.top != 0 || s->r.left != 0)
- return -EINVAL;
+ if (s->r.left != 0) {
+ s->r.width += s->r.left;
+ s->r.left = 0;
+ }
+
+ if (s->r.top != 0) {
+ s->r.height += s->r.top;
+ s->r.top = 0;
+ }
+
+ if (s->r.width > inst->width)
+ s->r.width = inst->width;
+ else
+ inst->width = s->r.width;
+
+ if (s->r.height > inst->height)
+ s->r.height = inst->height;
+ else
+ inst->height = s->r.height;
+
break;
default:
return -EINVAL;
--
2.25.0.265.gbab2e86ba0-goog