media: videobuf2: check ->synced flag in prepare() and finish()

This simplifies the code a tiny bit and let's us to avoid
unneeded ->prepare()/->finish() calls.

Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sergey Senozhatsky 2020-05-14 18:01:48 +02:00 committed by Mauro Carvalho Chehab
parent dcf3bfe7c7
commit 093067ed12

View File

@ -304,6 +304,9 @@ static void __vb2_buf_mem_prepare(struct vb2_buffer *vb)
{
unsigned int plane;
if (vb->synced)
return;
if (vb->need_cache_sync_on_prepare) {
for (plane = 0; plane < vb->num_planes; ++plane)
call_void_memop(vb, prepare,
@ -320,6 +323,9 @@ static void __vb2_buf_mem_finish(struct vb2_buffer *vb)
{
unsigned int plane;
if (!vb->synced)
return;
if (vb->need_cache_sync_on_finish) {
for (plane = 0; plane < vb->num_planes; ++plane)
call_void_memop(vb, finish,
@ -1999,8 +2005,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q)
call_void_vb_qop(vb, buf_request_complete, vb);
}
if (vb->synced)
__vb2_buf_mem_finish(vb);
__vb2_buf_mem_finish(vb);
if (vb->prepared) {
call_void_vb_qop(vb, buf_finish, vb);