On 14/09/2023 15:33, Benjamin Gaignard wrote: > Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx> > --- > drivers/media/platform/ti/am437x/am437x-vpfe.c | 5 +++-- > drivers/media/platform/ti/cal/cal-video.c | 5 +++-- > drivers/media/platform/ti/davinci/vpif_capture.c | 5 +++-- > drivers/media/platform/ti/davinci/vpif_display.c | 5 +++-- > drivers/media/platform/ti/omap/omap_vout.c | 5 +++-- > 5 files changed, 15 insertions(+), 10 deletions(-) > > diff --git a/drivers/media/platform/ti/am437x/am437x-vpfe.c b/drivers/media/platform/ti/am437x/am437x-vpfe.c > index 63092013d476..3b1e5dfecdbc 100644 > --- a/drivers/media/platform/ti/am437x/am437x-vpfe.c > +++ b/drivers/media/platform/ti/am437x/am437x-vpfe.c > @@ -1774,10 +1774,11 @@ static int vpfe_queue_setup(struct vb2_queue *vq, > unsigned int sizes[], struct device *alloc_devs[]) > { > struct vpfe_device *vpfe = vb2_get_drv_priv(vq); > + unsigned int q_num_bufs = vb2_get_num_buffers(vq); > unsigned size = vpfe->fmt.fmt.pix.sizeimage; > > - if (vq->num_buffers + *nbuffers < 3) > - *nbuffers = 3 - vq->num_buffers; > + if (q_num_bufs + *nbuffers < 3) > + *nbuffers = 3 - q_num_bufs; Drop this, instead update min_buffers_needed from 1 to 3. > > if (*nplanes) { > if (sizes[0] < size) > diff --git a/drivers/media/platform/ti/cal/cal-video.c b/drivers/media/platform/ti/cal/cal-video.c > index a8abcd0fee17..5dfe40ca47fc 100644 > --- a/drivers/media/platform/ti/cal/cal-video.c > +++ b/drivers/media/platform/ti/cal/cal-video.c > @@ -602,10 +602,11 @@ static int cal_queue_setup(struct vb2_queue *vq, > unsigned int sizes[], struct device *alloc_devs[]) > { > struct cal_ctx *ctx = vb2_get_drv_priv(vq); > + unsigned int q_num_bufs = vb2_get_num_buffers(vq); > unsigned int size = ctx->v_fmt.fmt.pix.sizeimage; > > - if (vq->num_buffers + *nbuffers < 3) > - *nbuffers = 3 - vq->num_buffers; > + if (q_num_bufs + *nbuffers < 3) > + *nbuffers = 3 - q_num_bufs; Drop this check, min_buffers_needed is already 3. > > if (*nplanes) { > if (sizes[0] < size) > diff --git a/drivers/media/platform/ti/davinci/vpif_capture.c b/drivers/media/platform/ti/davinci/vpif_capture.c > index 99fae8830c41..fc42b4bc37e6 100644 > --- a/drivers/media/platform/ti/davinci/vpif_capture.c > +++ b/drivers/media/platform/ti/davinci/vpif_capture.c > @@ -113,6 +113,7 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, > struct channel_obj *ch = vb2_get_drv_priv(vq); > struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; > unsigned size = common->fmt.fmt.pix.sizeimage; > + unsigned int q_num_bufs = vb2_get_num_buffers(vq); > > vpif_dbg(2, debug, "vpif_buffer_setup\n"); > > @@ -122,8 +123,8 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, > size = sizes[0]; > } > > - if (vq->num_buffers + *nbuffers < 3) > - *nbuffers = 3 - vq->num_buffers; > + if (q_num_bufs + *nbuffers < 3) > + *nbuffers = 3 - q_num_bufs; Drop, and update min_buffers_needed to 3. > > *nplanes = 1; > sizes[0] = size; > diff --git a/drivers/media/platform/ti/davinci/vpif_display.c b/drivers/media/platform/ti/davinci/vpif_display.c > index f8ec2991c667..9dbab1003c1d 100644 > --- a/drivers/media/platform/ti/davinci/vpif_display.c > +++ b/drivers/media/platform/ti/davinci/vpif_display.c > @@ -115,6 +115,7 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, > struct channel_obj *ch = vb2_get_drv_priv(vq); > struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; > unsigned size = common->fmt.fmt.pix.sizeimage; > + unsigned int q_num_bufs = vb2_get_num_buffers(vq); > > if (*nplanes) { > if (sizes[0] < size) > @@ -122,8 +123,8 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, > size = sizes[0]; > } > > - if (vq->num_buffers + *nbuffers < 3) > - *nbuffers = 3 - vq->num_buffers; > + if (q_num_bufs + *nbuffers < 3) > + *nbuffers = 3 - q_num_bufs; Ditto. > > *nplanes = 1; > sizes[0] = size; > diff --git a/drivers/media/platform/ti/omap/omap_vout.c b/drivers/media/platform/ti/omap/omap_vout.c > index 4143274089c3..72ce903717d3 100644 > --- a/drivers/media/platform/ti/omap/omap_vout.c > +++ b/drivers/media/platform/ti/omap/omap_vout.c > @@ -944,10 +944,11 @@ static int omap_vout_vb2_queue_setup(struct vb2_queue *vq, > struct device *alloc_devs[]) > { > struct omap_vout_device *vout = vb2_get_drv_priv(vq); > + unsigned int q_num_bufs = vb2_get_num_buffers(vq); > int size = vout->pix.sizeimage; > > - if (is_rotation_enabled(vout) && vq->num_buffers + *nbufs > VRFB_NUM_BUFS) { > - *nbufs = VRFB_NUM_BUFS - vq->num_buffers; > + if (is_rotation_enabled(vout) && q_num_bufs + *nbufs > VRFB_NUM_BUFS) { > + *nbufs = VRFB_NUM_BUFS - q_num_bufs; > if (*nbufs == 0) > return -EINVAL; > } Regards, Hans