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From: Jernej Skrabec <jernej.skrabec@gmail.com>
To: mripard@kernel.org, paul.kocialkowski@bootlin.com
Cc: mchehab@kernel.org, gregkh@linuxfoundation.org, wens@csie.org,
	samuel@sholland.org, hverkuil-cisco@xs4all.nl,
	linux-media@vger.kernel.org, linux-staging@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	Jernej Skrabec <jernej.skrabec@gmail.com>
Subject: [PATCH 09/11] media: cedrus: initialize controls a bit later
Date: Mon, 24 Oct 2022 22:15:13 +0200	[thread overview]
Message-ID: <20221024201515.34129-10-jernej.skrabec@gmail.com> (raw)
In-Reply-To: <20221024201515.34129-1-jernej.skrabec@gmail.com>

While it doesn't matter if controls are initialized before or after
queues and formats from open handler standpoint, initializing them last
helps keeping s_ctrl handler simpler, since everything has already valid
values.

This is just preparation for follow up changes. No functional change is
intended.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 drivers/staging/media/sunxi/cedrus/cedrus.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
index 8cfe47574c39..70b07d8bad2b 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
@@ -354,27 +354,27 @@ static int cedrus_open(struct file *file)
 	file->private_data = &ctx->fh;
 	ctx->dev = dev;
 
-	ret = cedrus_init_ctrls(dev, ctx);
-	if (ret)
-		goto err_free;
-
 	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
 					    &cedrus_queue_init);
 	if (IS_ERR(ctx->fh.m2m_ctx)) {
 		ret = PTR_ERR(ctx->fh.m2m_ctx);
-		goto err_ctrls;
+		goto err_free;
 	}
 
 	cedrus_reset_out_format(ctx);
 
+	ret = cedrus_init_ctrls(dev, ctx);
+	if (ret)
+		goto err_m2m_release;
+
 	v4l2_fh_add(&ctx->fh);
 
 	mutex_unlock(&dev->dev_mutex);
 
 	return 0;
 
-err_ctrls:
-	v4l2_ctrl_handler_free(&ctx->hdl);
+err_m2m_release:
+	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
 err_free:
 	kfree(ctx);
 	mutex_unlock(&dev->dev_mutex);
-- 
2.38.1


WARNING: multiple messages have this Message-ID (diff)
From: Jernej Skrabec <jernej.skrabec@gmail.com>
To: mripard@kernel.org, paul.kocialkowski@bootlin.com
Cc: mchehab@kernel.org, gregkh@linuxfoundation.org, wens@csie.org,
	samuel@sholland.org, hverkuil-cisco@xs4all.nl,
	linux-media@vger.kernel.org, linux-staging@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	Jernej Skrabec <jernej.skrabec@gmail.com>
Subject: [PATCH 09/11] media: cedrus: initialize controls a bit later
Date: Mon, 24 Oct 2022 22:15:13 +0200	[thread overview]
Message-ID: <20221024201515.34129-10-jernej.skrabec@gmail.com> (raw)
In-Reply-To: <20221024201515.34129-1-jernej.skrabec@gmail.com>

While it doesn't matter if controls are initialized before or after
queues and formats from open handler standpoint, initializing them last
helps keeping s_ctrl handler simpler, since everything has already valid
values.

This is just preparation for follow up changes. No functional change is
intended.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 drivers/staging/media/sunxi/cedrus/cedrus.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
index 8cfe47574c39..70b07d8bad2b 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
@@ -354,27 +354,27 @@ static int cedrus_open(struct file *file)
 	file->private_data = &ctx->fh;
 	ctx->dev = dev;
 
-	ret = cedrus_init_ctrls(dev, ctx);
-	if (ret)
-		goto err_free;
-
 	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
 					    &cedrus_queue_init);
 	if (IS_ERR(ctx->fh.m2m_ctx)) {
 		ret = PTR_ERR(ctx->fh.m2m_ctx);
-		goto err_ctrls;
+		goto err_free;
 	}
 
 	cedrus_reset_out_format(ctx);
 
+	ret = cedrus_init_ctrls(dev, ctx);
+	if (ret)
+		goto err_m2m_release;
+
 	v4l2_fh_add(&ctx->fh);
 
 	mutex_unlock(&dev->dev_mutex);
 
 	return 0;
 
-err_ctrls:
-	v4l2_ctrl_handler_free(&ctx->hdl);
+err_m2m_release:
+	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
 err_free:
 	kfree(ctx);
 	mutex_unlock(&dev->dev_mutex);
-- 
2.38.1


_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2022-10-24 20:15 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-24 20:15 [PATCH 00/11] media: cedrus: Format handling improvements and 10-bit HEVC support Jernej Skrabec
2022-10-24 20:15 ` Jernej Skrabec
2022-10-24 20:15 ` [PATCH 01/11] media: cedrus: remove superfluous call Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-25 15:08   ` Paul Kocialkowski
2022-10-25 15:08     ` Paul Kocialkowski
2022-10-24 20:15 ` [PATCH 02/11] media: cedrus: Add format reset helpers Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-24 20:15 ` [PATCH 03/11] media: cedrus: use helper to set default formats Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-24 20:15 ` [PATCH 04/11] media: cedrus: Add helper for checking capabilities Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-25  6:30   ` Dan Carpenter
2022-10-25  6:30     ` Dan Carpenter
2022-10-25 15:17     ` Jernej Škrabec
2022-10-25 15:17       ` Jernej Škrabec
2022-10-25 15:22       ` Paul Kocialkowski
2022-10-25 15:22         ` Paul Kocialkowski
2022-10-25 15:28         ` Jernej Škrabec
2022-10-25 15:28           ` Jernej Škrabec
2022-10-25 15:35           ` Paul Kocialkowski
2022-10-25 15:35             ` Paul Kocialkowski
2022-10-24 20:15 ` [PATCH 05/11] media: cedrus: Filter controls based on capability Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-25 15:16   ` Paul Kocialkowski
2022-10-25 15:16     ` Paul Kocialkowski
2022-11-01 22:56   ` Jernej Škrabec
2022-11-01 22:56     ` Jernej Škrabec
2022-10-24 20:15 ` [PATCH 06/11] media: cedrus: set codec ops immediately Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-25 14:59   ` Paul Kocialkowski
2022-10-25 14:59     ` Paul Kocialkowski
2022-10-24 20:15 ` [PATCH 07/11] media: cedrus: Remove cedrus_codec enum Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-25 15:03   ` Paul Kocialkowski
2022-10-25 15:03     ` Paul Kocialkowski
2022-10-24 20:15 ` [PATCH 08/11] media: cedrus: prefer untiled capture format Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-25 15:05   ` Paul Kocialkowski
2022-10-25 15:05     ` Paul Kocialkowski
2022-10-25 15:15     ` Jernej Škrabec
2022-10-25 15:15       ` Jernej Škrabec
2022-10-24 20:15 ` Jernej Skrabec [this message]
2022-10-24 20:15   ` [PATCH 09/11] media: cedrus: initialize controls a bit later Jernej Skrabec
2022-10-24 20:15 ` [PATCH 10/11] media: cedrus: Adjust buffer size based on control values Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-24 20:15 ` [PATCH 11/11] media: cedrus: h265: Support decoding 10-bit frames Jernej Skrabec
2022-10-24 20:15   ` Jernej Skrabec
2022-10-25  6:55 ` [PATCH 00/11] media: cedrus: Format handling improvements and 10-bit HEVC support Dan Carpenter
2022-10-25  6:55   ` Dan Carpenter

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