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Message-ID: <12713603.O9o76ZdvQC@trenzalore>
Date: Sat, 02 Aug 2025 12:02:27 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Devarsh Thakkar <devarsht@...com>, Benoit Parrot <bparrot@...com>,
Hans Verkuil <hverkuil@...nel.org>, Mike Isely <isely@...ox.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Hans de Goede <hansg@...nel.org>,
Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>,
Christian Gromm <christian.gromm@...rochip.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Alex Shi <alexs@...nel.org>,
Yanteng Si <si.yanteng@...ux.dev>, Dongliang Mu <dzm91@...t.edu.cn>,
Jonathan Corbet <corbet@....net>, Tomasz Figa <tfiga@...omium.org>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Andy Walls <awalls@...metrocast.net>,
Michael Tretter <m.tretter@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Bin Liu <bin.liu@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Dmitry Osipenko <digetx@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Mirela Rabulea <mirela.rabulea@....com>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>,
Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
Michal Simek <michal.simek@....com>, Ming Qian <ming.qian@....com>,
Zhou Peng <eagle.zhou@....com>,
Xavier Roumegue <xavier.roumegue@....nxp.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Vikash Garodia <quic_vgarodia@...cinc.com>,
Dikshita Agarwal <quic_dikshita@...cinc.com>,
Abhinav Kumar <abhinav.kumar@...ux.dev>,
Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
Sylwester Nawrocki <sylvester.nawrocki@...il.com>,
Jernej Skrabec <jernej.skrabec@...il.com>, Chen-Yu Tsai <wens@...e.org>,
Samuel Holland <samuel@...lland.org>,
Daniel Almeida <daniel.almeida@...labora.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Nas Chung <nas.chung@...psnmedia.com>,
Jackson Lee <jackson.lee@...psnmedia.com>,
Minghsiu Tsai <minghsiu.tsai@...iatek.com>,
Houlong Wei <houlong.wei@...iatek.com>,
Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
Tiffany Lin <tiffany.lin@...iatek.com>,
Yunfei Dong <yunfei.dong@...iatek.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Mikhail Ulyanov <mikhail.ulyanov@...entembedded.com>,
Jacob Chen <jacob-chen@...wrt.com>,
Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
Heiko Stuebner <heiko@...ech.de>, Krzysztof Kozlowski <krzk@...nel.org>,
Alim Akhtar <alim.akhtar@...sung.com>,
Sylwester Nawrocki <s.nawrocki@...sung.com>,
Łukasz Stelmach <l.stelmach@...sung.com>,
Andrzej Pietrasiewicz <andrzejtp2010@...il.com>,
Jacek Anaszewski <jacek.anaszewski@...il.com>,
Andrzej Hajda <andrzej.hajda@...el.com>,
Fabien Dessenne <fabien.dessenne@...s.st.com>,
Hugues Fruchet <hugues.fruchet@...s.st.com>,
Jean-Christophe Trotin <jean-christophe.trotin@...s.st.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Nicolas Dufresne <nicolas.dufresne@...labora.com>,
Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Steve Longerbeam <slongerbeam@...il.com>, Maxime Ripard <mripard@...nel.org>,
Paul Kocialkowski <paulk@...-base.io>,
Niklas Söderlund <niklas.soderlund@...natech.se>,
Robert Foss <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>,
Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
Corentin Labbe <clabbe@...libre.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Bingbu Cao <bingbu.cao@...el.com>, Tianshu Qiu <tian.shu.qiu@...el.com>,
Stanislaw Gruszka <stanislaw.gruszka@...ux.intel.com>,
Jacopo Mondi <jacopo.mondi@...asonboard.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-staging@...ts.linux.dev, linux-doc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
linux-tegra@...r.kernel.org, imx@...ts.linux.dev,
linux-renesas-soc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-samsung-soc@...r.kernel.org, linux-sunxi@...ts.linux.dev,
linux-usb@...r.kernel.org, linux-amlogic@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-stm32@...md-mailman.stormreply.com,
mjpeg-users@...ts.sourceforge.net,
Jacopo Mondi <jacopo.mondi@...asonboard.com>
Subject: Re: [PATCH 44/65] media: rockchip: rkvdec: Access v4l2_fh from file
Hi Jacopo,
Thanks for the cleanup !
On Saturday, 2 August 2025 05:23:06 EDT Jacopo Mondi wrote:
> The v4l2_fh associated with an open file handle is now guaranteed
> to be available in file->private_data, initialised by v4l2_fh_add().
>
> Access the v4l2_fh, and from there the driver-specific structure,
> from the file * in all ioctl handlers.
>
> While at it, remove the now unused fh_to_rkvdec_ctx() macro.
>
> Signed-off-by: Jacopo Mondi <jacopo.mondi@...asonboard.com>
Reviewed-by: Detlev Casanova <detlev.casanova@...labora.com>
> ---
> drivers/media/platform/rockchip/rkvdec/rkvdec.c | 14 +++++++-------
> drivers/media/platform/rockchip/rkvdec/rkvdec.h | 5 -----
> 2 files changed, 7 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec.c
> b/drivers/media/platform/rockchip/rkvdec/rkvdec.c index
> 481c2488f9ac64e70869ed21e5053cfbc4ed6e0e..9fa80ab3c62b7753e6c992aefd106ee99
> ed375e4 100644 --- a/drivers/media/platform/rockchip/rkvdec/rkvdec.c
> +++ b/drivers/media/platform/rockchip/rkvdec/rkvdec.c
> @@ -354,7 +354,7 @@ static int rkvdec_try_capture_fmt(struct file *file,
> void *priv, struct v4l2_format *f)
> {
> struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
> - struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
> + struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);
> const struct rkvdec_coded_fmt_desc *coded_desc;
>
> /*
> @@ -387,7 +387,7 @@ static int rkvdec_try_output_fmt(struct file *file, void
> *priv, struct v4l2_format *f)
> {
> struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
> - struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
> + struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);
> const struct rkvdec_coded_fmt_desc *desc;
>
> desc = rkvdec_find_coded_fmt_desc(pix_mp->pixelformat);
> @@ -418,7 +418,7 @@ static int rkvdec_try_output_fmt(struct file *file, void
> *priv, static int rkvdec_s_capture_fmt(struct file *file, void *priv,
> struct v4l2_format *f)
> {
> - struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
> + struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);
> struct vb2_queue *vq;
> int ret;
>
> @@ -439,7 +439,7 @@ static int rkvdec_s_capture_fmt(struct file *file, void
> *priv, static int rkvdec_s_output_fmt(struct file *file, void *priv,
> struct v4l2_format *f)
> {
> - struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
> + struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);
> struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
> const struct rkvdec_coded_fmt_desc *desc;
> struct v4l2_format *cap_fmt;
> @@ -504,7 +504,7 @@ static int rkvdec_s_output_fmt(struct file *file, void
> *priv, static int rkvdec_g_output_fmt(struct file *file, void *priv,
> struct v4l2_format *f)
> {
> - struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
> + struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);
>
> *f = ctx->coded_fmt;
> return 0;
> @@ -513,7 +513,7 @@ static int rkvdec_g_output_fmt(struct file *file, void
> *priv, static int rkvdec_g_capture_fmt(struct file *file, void *priv,
> struct v4l2_format *f)
> {
> - struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
> + struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);
>
> *f = ctx->decoded_fmt;
> return 0;
> @@ -532,7 +532,7 @@ static int rkvdec_enum_output_fmt(struct file *file,
> void *priv, static int rkvdec_enum_capture_fmt(struct file *file, void
> *priv, struct v4l2_fmtdesc *f)
> {
> - struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
> + struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);
> u32 fourcc;
>
> fourcc = rkvdec_enum_decoded_fmt(ctx, f->index, ctx->image_fmt);
> diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec.h
> b/drivers/media/platform/rockchip/rkvdec/rkvdec.h index
> 35effe9467845fdfc4ffea432211d1d2e75a08b0..481aaa4bffe975fa106fb22e78bef90ad
> e86a6cf 100644 --- a/drivers/media/platform/rockchip/rkvdec/rkvdec.h
> +++ b/drivers/media/platform/rockchip/rkvdec/rkvdec.h
> @@ -124,11 +124,6 @@ struct rkvdec_ctx {
> void *priv;
> };
>
> -static inline struct rkvdec_ctx *fh_to_rkvdec_ctx(struct v4l2_fh *fh)
> -{
> - return container_of(fh, struct rkvdec_ctx, fh);
> -}
> -
> static inline struct rkvdec_ctx *file_to_rkvdec_ctx(struct file *filp)
> {
> return container_of(file_to_v4l2_fh(filp), struct rkvdec_ctx, fh);
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