linux-kernel - Re: [PATCH v1 16/19] staging: media: tegra-video: tegra20: adjust luma buffer stride

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Message-ID: <4134482.44csPzL39Z@senjougahara>
Date: Tue, 02 Sep 2025 10:16:12 +0900
From: Mikko Perttunen <mperttunen@...dia.com>
To: Thierry Reding <thierry.reding@...il.com>,
 Thierry Reding <treding@...dia.com>, Jonathan Hunter <jonathanh@...dia.com>,
 Sowjanya Komatineni <skomatineni@...dia.com>,
 Luca Ceresoli <luca.ceresoli@...tlin.com>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Peter De Schrijver <pdeschrijver@...dia.com>,
 Prashant Gaikwad <pgaikwad@...dia.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Svyatoslav Ryhel <clamor95@...il.com>, Dmitry Osipenko <digetx@...il.com>,
 Charan Pedumuru <charan.pedumuru@...il.com>,
 Svyatoslav Ryhel <clamor95@...il.com>
Cc: linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-staging@...ts.linux.dev
Subject:
 Re: [PATCH v1 16/19] staging: media: tegra-video: tegra20: adjust luma buffer
 stride

On Tuesday, August 19, 2025 9:16 PM Svyatoslav Ryhel wrote:
> Luma buffer stride is calculated by multiplying height in pixels of image
> by bytes per line. Adjust that value accordingly.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> ---
>  drivers/staging/media/tegra-video/tegra20.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/media/tegra-video/tegra20.c
> b/drivers/staging/media/tegra-video/tegra20.c index
> b466fe7f4504..a06afe91d2de 100644
> --- a/drivers/staging/media/tegra-video/tegra20.c
> +++ b/drivers/staging/media/tegra-video/tegra20.c
> @@ -496,7 +496,7 @@ static void tegra20_camera_capture_setup(struct
> tegra_vi_channel *chan) u32 data_type = chan->fmtinfo->img_dt;
>  	int width  = chan->format.width;
>  	int height = chan->format.height;
> -	int stride_l = chan->format.bytesperline;
> +	int stride_l = chan->format.bytesperline * height;
>  	int stride_c = (output_fourcc == V4L2_PIX_FMT_YUV420 ||
>  			output_fourcc == V4L2_PIX_FMT_YVU420) ? 1 : 0;
>  	int output_channel = (data_type == TEGRA_IMAGE_DT_RAW8 ||

Reviewed-by: Mikko Perttunen <mperttunen@...dia.com>