| Message ID | 20231012114642.19040-42-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add DELETE_BUF ioctl | expand |
Hi Benjamin, On Thu 12 Oct 23, 13:46, Benjamin Gaignard wrote: > Use vb2_get_num_buffers() and queue max_num_buffers field > to avoid using queue num_buffer field directly. Thanks for the patch, this is indeed a nice cleanup and safer usage. Maybe the commit message needs to reflect why this change is welcome, not just what is being changed. > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> > CC: Maxime Ripard <mripard@kernel.org> > CC: Paul Kocialkowski <paul.kocialkowski@bootlin.com> > --- > drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 8 ++++++-- > drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 9 +++++++-- > 2 files changed, 13 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c > index dfb401df138a..95e490532a87 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c > +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c > @@ -653,8 +653,12 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx) > > vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); > > - for (i = 0; i < vq->num_buffers; i++) { > - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); > + for (i = 0; i < vb2_get_num_buffers(vq); i++) { > + struct vb2_buffer *vb = vb2_get_buffer(vq, i); > + > + if (!vb) > + continue; Please add a newline here to be consistent with the other block being changed. With this change and the commit log reworked, you can consider this: Acked-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Thanks! Paul > + buf = vb2_to_cedrus_buffer(vb); > > if (buf->codec.h264.mv_col_buf_size > 0) { > dma_free_attrs(dev->dev, > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c > index fc9297232456..52e94c8f2f01 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c > +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c > @@ -869,8 +869,13 @@ static void cedrus_h265_stop(struct cedrus_ctx *ctx) > > vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); > > - for (i = 0; i < vq->num_buffers; i++) { > - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); > + for (i = 0; i < vb2_get_num_buffers(vq); i++) { > + struct vb2_buffer *vb = vb2_get_buffer(vq, i); > + > + if (!vb) > + continue; > + > + buf = vb2_to_cedrus_buffer(vb); > > if (buf->codec.h265.mv_col_buf_size > 0) { > dma_free_attrs(dev->dev, > -- > 2.39.2 >
Le 17/10/2023 à 10:54, Paul Kocialkowski a écrit : > Hi Benjamin, > > On Thu 12 Oct 23, 13:46, Benjamin Gaignard wrote: >> Use vb2_get_num_buffers() and queue max_num_buffers field >> to avoid using queue num_buffer field directly. > Thanks for the patch, this is indeed a nice cleanup and safer usage. > Maybe the commit message needs to reflect why this change is welcome, > not just what is being changed. I will add this comment in the commit message: This allows us to change how the number of buffers is computed in the futur. > >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >> CC: Maxime Ripard <mripard@kernel.org> >> CC: Paul Kocialkowski <paul.kocialkowski@bootlin.com> >> --- >> drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 8 ++++++-- >> drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 9 +++++++-- >> 2 files changed, 13 insertions(+), 4 deletions(-) >> >> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c >> index dfb401df138a..95e490532a87 100644 >> --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c >> +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c >> @@ -653,8 +653,12 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx) >> >> vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); >> >> - for (i = 0; i < vq->num_buffers; i++) { >> - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); >> + for (i = 0; i < vb2_get_num_buffers(vq); i++) { >> + struct vb2_buffer *vb = vb2_get_buffer(vq, i); >> + >> + if (!vb) >> + continue; > Please add a newline here to be consistent with the other block being changed. > > With this change and the commit log reworked, you can consider this: > Acked-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> That will be done for the next version. Thanks, Benjamin > > Thanks! > > Paul > >> + buf = vb2_to_cedrus_buffer(vb); >> >> if (buf->codec.h264.mv_col_buf_size > 0) { >> dma_free_attrs(dev->dev, >> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c >> index fc9297232456..52e94c8f2f01 100644 >> --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c >> +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c >> @@ -869,8 +869,13 @@ static void cedrus_h265_stop(struct cedrus_ctx *ctx) >> >> vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); >> >> - for (i = 0; i < vq->num_buffers; i++) { >> - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); >> + for (i = 0; i < vb2_get_num_buffers(vq); i++) { >> + struct vb2_buffer *vb = vb2_get_buffer(vq, i); >> + >> + if (!vb) >> + continue; >> + >> + buf = vb2_to_cedrus_buffer(vb); >> >> if (buf->codec.h265.mv_col_buf_size > 0) { >> dma_free_attrs(dev->dev, >> -- >> 2.39.2 >>
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c index dfb401df138a..95e490532a87 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c @@ -653,8 +653,12 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx) vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - for (i = 0; i < vq->num_buffers; i++) { - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i = 0; i < vb2_get_num_buffers(vq); i++) { + struct vb2_buffer *vb = vb2_get_buffer(vq, i); + + if (!vb) + continue; + buf = vb2_to_cedrus_buffer(vb); if (buf->codec.h264.mv_col_buf_size > 0) { dma_free_attrs(dev->dev, diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index fc9297232456..52e94c8f2f01 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -869,8 +869,13 @@ static void cedrus_h265_stop(struct cedrus_ctx *ctx) vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - for (i = 0; i < vq->num_buffers; i++) { - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i = 0; i < vb2_get_num_buffers(vq); i++) { + struct vb2_buffer *vb = vb2_get_buffer(vq, i); + + if (!vb) + continue; + + buf = vb2_to_cedrus_buffer(vb); if (buf->codec.h265.mv_col_buf_size > 0) { dma_free_attrs(dev->dev,
Use vb2_get_num_buffers() and queue max_num_buffers field to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> CC: Maxime Ripard <mripard@kernel.org> CC: Paul Kocialkowski <paul.kocialkowski@bootlin.com> --- drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 8 ++++++-- drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 9 +++++++-- 2 files changed, 13 insertions(+), 4 deletions(-)