Re: [PATCH 06/13] v4l: vsp1: Disable cropping on WPF sink pad

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Hi Mauro,

On Monday 19 Sep 2016 14:55:43 Mauro Carvalho Chehab wrote:
> Em Wed, 14 Sep 2016 02:16:59 +0300 Laurent Pinchart escreveu:
> > Cropping on the WPF sink pad restricts the left and top coordinates to
> > 0-255. The same result can be obtained by cropping on the RPF without
> > any such restriction, this feature isn't useful. Disable it.
> > 
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> > ---
> > 
> >  drivers/media/platform/vsp1/vsp1_rwpf.c | 37
> >  +++++++++++++++++---------------- drivers/media/platform/vsp1/vsp1_wpf.c
> >   | 18 +++++++---------
> >  2 files changed, 26 insertions(+), 29 deletions(-)
> > 
> > diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c
> > b/drivers/media/platform/vsp1/vsp1_rwpf.c index
> > 8cb87e96b78b..a3ace8df7f4d 100644
> > --- a/drivers/media/platform/vsp1/vsp1_rwpf.c
> > +++ b/drivers/media/platform/vsp1/vsp1_rwpf.c
> > @@ -66,7 +66,6 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev
> > *subdev,> 
> >  	struct vsp1_rwpf *rwpf = to_rwpf(subdev);
> >  	struct v4l2_subdev_pad_config *config;
> >  	struct v4l2_mbus_framefmt *format;
> > 
> > -	struct v4l2_rect *crop;
> > 
> >  	int ret = 0;
> >  	
> >  	mutex_lock(&rwpf->entity.lock);
> > 
> > @@ -103,12 +102,16 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev
> > *subdev,> 
> >  	fmt->format = *format;
> > 
> > -	/* Update the sink crop rectangle. */
> > -	crop = vsp1_rwpf_get_crop(rwpf, config);
> > -	crop->left = 0;
> > -	crop->top = 0;
> > -	crop->width = fmt->format.width;
> > -	crop->height = fmt->format.height;
> > +	if (rwpf->entity.type == VSP1_ENTITY_RPF) {
> > +		struct v4l2_rect *crop;
> > +
> > +		/* Update the sink crop rectangle. */
> > +		crop = vsp1_rwpf_get_crop(rwpf, config);
> > +		crop->left = 0;
> > +		crop->top = 0;
> > +		crop->width = fmt->format.width;
> > +		crop->height = fmt->format.height;
> > +	}
> > 
> >  	/* Propagate the format to the source pad. */
> >  	format = vsp1_entity_get_pad_format(&rwpf->entity, config,
> > 
> > @@ -129,8 +132,10 @@ static int vsp1_rwpf_get_selection(struct v4l2_subdev
> > *subdev,> 
> >  	struct v4l2_mbus_framefmt *format;
> >  	int ret = 0;
> > 
> > -	/* Cropping is implemented on the sink pad. */
> > -	if (sel->pad != RWPF_PAD_SINK)
> > +	/* Cropping is only supported on the RPF and is implemented on the 
sink
> > +	 * pad.
> > +	 */
> 
> Please read CodingStyle and run checkpatch before sending stuff upstream.
> 
> This violates the CodingStyle: it should be, instead:
> 	/*
> 	 * foo
> 	 * bar
> 	 */

But it's consistent with the coding style of this driver. I'm OK fixing it, 
but it should be done globally in that case.

> This time, I'll fix it, but next time I might not have enough time, and
> need to reject the patch series.

-- 
Regards,

Laurent Pinchart




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