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authorDaniel Almeida <daniel.almeida@collabora.com>2021-03-23 19:57:09 +0100
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-04-06 19:33:02 +0200
commit54676d5f5630b79f7b00c7c43882a58c1815aaf9 (patch)
tree9c8f7779a7e9575cd936e6750e536b0a43b04962
parent4cd15d84ca3e9be4db121b067c9739268c5e9b91 (diff)
media: rkvdec: Do not require all controls to be present in every request
According to the v4l2 api, it is allowed to skip setting a control if its contents haven't changed for performance reasons: userspace should only update the controls that changed from last frame rather then updating them all. Still some ancient code that checks for mandatory controls has been left in this driver. Remove it. Fixes: cd33c830448b ("media: rkvdec: Add the rkvdec driver") Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com> Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
-rw-r--r--drivers/staging/media/rkvdec/rkvdec.c48
-rw-r--r--drivers/staging/media/rkvdec/rkvdec.h1
2 files changed, 1 insertions, 48 deletions
diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
index 02af95e15ca9..d821661d30f3 100644
--- a/drivers/staging/media/rkvdec/rkvdec.c
+++ b/drivers/staging/media/rkvdec/rkvdec.c
@@ -55,16 +55,13 @@ static const struct v4l2_ctrl_ops rkvdec_ctrl_ops = {
static const struct rkvdec_ctrl_desc rkvdec_h264_ctrl_descs[] = {
{
- .mandatory = true,
.cfg.id = V4L2_CID_STATELESS_H264_DECODE_PARAMS,
},
{
- .mandatory = true,
.cfg.id = V4L2_CID_STATELESS_H264_SPS,
.cfg.ops = &rkvdec_ctrl_ops,
},
{
- .mandatory = true,
.cfg.id = V4L2_CID_STATELESS_H264_PPS,
},
{
@@ -585,25 +582,7 @@ static const struct vb2_ops rkvdec_queue_ops = {
static int rkvdec_request_validate(struct media_request *req)
{
- struct media_request_object *obj;
- const struct rkvdec_ctrls *ctrls;
- struct v4l2_ctrl_handler *hdl;
- struct rkvdec_ctx *ctx = NULL;
- unsigned int count, i;
- int ret;
-
- list_for_each_entry(obj, &req->objects, list) {
- if (vb2_request_object_is_buffer(obj)) {
- struct vb2_buffer *vb;
-
- vb = container_of(obj, struct vb2_buffer, req_obj);
- ctx = vb2_get_drv_priv(vb->vb2_queue);
- break;
- }
- }
-
- if (!ctx)
- return -EINVAL;
+ unsigned int count;
count = vb2_request_buffer_cnt(req);
if (!count)
@@ -611,31 +590,6 @@ static int rkvdec_request_validate(struct media_request *req)
else if (count > 1)
return -EINVAL;
- hdl = v4l2_ctrl_request_hdl_find(req, &ctx->ctrl_hdl);
- if (!hdl)
- return -ENOENT;
-
- ret = 0;
- ctrls = ctx->coded_fmt_desc->ctrls;
- for (i = 0; ctrls && i < ctrls->num_ctrls; i++) {
- u32 id = ctrls->ctrls[i].cfg.id;
- struct v4l2_ctrl *ctrl;
-
- if (!ctrls->ctrls[i].mandatory)
- continue;
-
- ctrl = v4l2_ctrl_request_hdl_ctrl_find(hdl, id);
- if (!ctrl) {
- ret = -ENOENT;
- break;
- }
- }
-
- v4l2_ctrl_request_hdl_put(hdl);
-
- if (ret)
- return ret;
-
return vb2_request_validate(req);
}
diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
index 77a137cca88e..52ac3874c5e5 100644
--- a/drivers/staging/media/rkvdec/rkvdec.h
+++ b/drivers/staging/media/rkvdec/rkvdec.h
@@ -25,7 +25,6 @@
struct rkvdec_ctx;
struct rkvdec_ctrl_desc {
- u32 mandatory : 1;
struct v4l2_ctrl_config cfg;
};

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