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From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
To: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Cc: tomm.merciai@gmail.com, linux-renesas-soc@vger.kernel.org,
	biju.das.jz@bp.renesas.com,
	"Lad Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	"Jacopo Mondi" <jacopo.mondi@ideasonboard.com>,
	"Mauro Carvalho Chehab" <mchehab@kernel.org>,
	"Hans Verkuil" <hverkuil+cisco@kernel.org>,
	"Nicolas Dufresne" <nicolas.dufresne@collabora.com>,
	"Sakari Ailus" <sakari.ailus@linux.intel.com>,
	"Laurent Pinchart" <laurent.pinchart@ideasonboard.com>,
	"Sven Püschel" <s.pueschel@pengutronix.de>,
	"Nas Chung" <nas.chung@chipsnmedia.com>,
	"Mehdi Djait" <mehdi.djait@linux.intel.com>,
	"Isaac Scott" <isaac.scott@ideasonboard.com>,
	"Paul Cercueil" <paul@crapouillou.net>,
	"Daniel Scally" <dan.scally+renesas@ideasonboard.com>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 5/5] media: rzg2l-cru: Use v4l2_fill_pixfmt_aligned() for stride alignment
Date: Fri, 31 Jul 2026 17:07:06 +0200	[thread overview]
Message-ID: <amy559iChdLrrMTj@zed> (raw)
In-Reply-To: <20260729105603.1160966-6-tommaso.merciai.xr@bp.renesas.com>

Hi Tommaso

On Wed, Jul 29, 2026 at 12:55:50PM +0200, Tommaso Merciai wrote:
> Replace the open-coded bytesperline/sizeimage rounding with the newly
> added v4l2_fill_pixfmt_aligned().
>
> No functional change intended.
>
> Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
> ---
> v4->v5:
>  - Split the fix so it no longer depends on v4l2_fill_pixfmt_aligned()
>    and moved it first in the series, so it can be backported to stable
>    on its own (This the old v4 PATCH 4/4).
>
>  drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
> index 91eda5034248..27a35ef2a6df 100644
> --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
> +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
> @@ -849,12 +849,8 @@ static void rzg2l_cru_format_align(struct rzg2l_cru_dev *cru,
>  	v4l_bound_align_image(&pix->width, 320, info->max_width, 1,
>  			      &pix->height, 240, info->max_height, 2, 0);
>
> -	v4l2_fill_pixfmt(pix, pix->pixelformat, pix->width, pix->height);
> -
> -	if (info->has_stride) {
> -		pix->bytesperline = ALIGN(pix->bytesperline, RZG2L_CRU_STRIDE_ALIGN);
> -		pix->sizeimage = pix->bytesperline * pix->height;
> -	}
> +	v4l2_fill_pixfmt_aligned(pix, pix->pixelformat, pix->width, pix->height,
> +				 info->has_stride ? RZG2L_CRU_STRIDE_ALIGN : 1);

this will look very nice with info->stride.

In the meantime
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

Sorry for having missed it yesterday
>
>  	dev_dbg(cru->dev, "Format %ux%u bpl: %u size: %u\n",
>  		pix->width, pix->height, pix->bytesperline, pix->sizeimage);
> --
> 2.54.0
>

      reply	other threads:[~2026-07-31 15:07 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-29 10:55 [PATCH v5 0/5] media: rzg2l-cru: Fix DMA stride alignment Tommaso Merciai
2026-07-29 10:55 ` [PATCH v5 1/5] media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement Tommaso Merciai
2026-07-30 19:50   ` Jacopo Mondi
2026-07-31 14:55     ` Tommaso Merciai
2026-07-31 15:06       ` Jacopo Mondi
2026-07-29 10:55 ` [PATCH v5 2/5] media: v4l2-common: Convert v4l2_fill_pixfmt_mp() to static inline wrapper Tommaso Merciai
2026-07-29 10:55 ` [PATCH v5 3/5] media: v4l2-common: Add v4l2_fill_pixfmt_aligned() helper Tommaso Merciai
2026-07-29 10:55 ` [PATCH v5 4/5] media: v4l2-common: Add kernel-doc for v4l2_fill_pixfmt_mp_aligned() Tommaso Merciai
2026-07-29 10:55 ` [PATCH v5 5/5] media: rzg2l-cru: Use v4l2_fill_pixfmt_aligned() for stride alignment Tommaso Merciai
2026-07-31 15:07   ` Jacopo Mondi [this message]

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