From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A5572328B71; Sat, 28 Feb 2026 17:55:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301339; cv=none; b=NtGZ7/qCv7fIZuX6dhfGx20J1sDjyfOzHfO5n7RDd6kgCFF37dK2togKyv2pmQKCW1iCABw22I6zDZ7QxWdySGkpm2XNc2wztxgHNu6fEK3niIR9eZ50miKX6LLz2wW2Xm3cY2L8NjpewpBkb9+UDJPzaYgrvQ8mcHt3gEUH/cE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301339; c=relaxed/simple; bh=CwyC21AyPKHvJlpZKOz1p2h18WZw4vJoC4Wy5bvfxR4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=L03siaFAYC8OaWi3QQjsyl4hroOGkaxhsIcu+LE4QnfXtTg0W5HecgrAzIBXf5500ybDNbFaMQen7oSEtF3Nb4MlaqERmSQZGv5Q6cqxszfWGeMEjKqlMzx5t06XEDI/s3MJnGnRAnypwnl+2IzzX8Wt/5CH9tDh1MYBTxOF9us= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lee4BUdH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lee4BUdH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3A9AC19423; Sat, 28 Feb 2026 17:55:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301339; bh=CwyC21AyPKHvJlpZKOz1p2h18WZw4vJoC4Wy5bvfxR4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lee4BUdHlqvQNnxpYHVs9GTzDQ2EcPnOpwc7LXGwU9wh9+BnDF6vWp3/NJ7KuIGP9 +X3XMy5juJJFYtfTP1IGb9W5KWE+XNhZMncLG56wNCe7Nvb4NYxPZ1I7oSFQ53H7L+ an7LDcjx6JNJKIJUWz1SCcM8q38ixr/mTMtPgY4k2/+Xop8IhNFzKmaAlsLITCjMNk O5EshlsYVVyMhRJfrrjta84oxCtRWPTK0JNinzGDflAqXWqHeEl8Aqz1cqGqg0OSfa KVXdDDbV85zG3OrjJ9V6uYFLc0AUDrrcobYJ2fmubXZv/1EV8vxFiQpGKreCF7QHXA sR6T3GPPdX5cg== From: Sasha Levin To: patches@lists.linux.dev Cc: David Plowman , stable@vger.kernel.org, Jacopo Mondi , Jai Luthra , Sakari Ailus , Hans Verkuil , Sasha Levin Subject: [PATCH 6.18 526/752] media: i2c: ov5647: Correct minimum VBLANK value Date: Sat, 28 Feb 2026 12:43:57 -0500 Message-ID: <20260228174750.1542406-526-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: David Plowman [ Upstream commit 1438248c5a82c86b4e1f0311c3bb827af747a8cf ] Trial and error reveals that the minimum vblank value appears to be 24 (the OV5647 data sheet does not give any clues). This fixes streaming lock-ups in full resolution mode. Fixes: 2512c06441e3 ("media: ov5647: Support V4L2_CID_VBLANK control") Cc: stable@vger.kernel.org Signed-off-by: David Plowman Reviewed-by: Jacopo Mondi Signed-off-by: Jai Luthra Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/i2c/ov5647.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c index d9e300406f58e..191954497e3db 100644 --- a/drivers/media/i2c/ov5647.c +++ b/drivers/media/i2c/ov5647.c @@ -73,7 +73,7 @@ #define OV5647_PIXEL_ARRAY_WIDTH 2592U #define OV5647_PIXEL_ARRAY_HEIGHT 1944U -#define OV5647_VBLANK_MIN 4 +#define OV5647_VBLANK_MIN 24 #define OV5647_VTS_MAX 32767 #define OV5647_EXPOSURE_MIN 4 -- 2.51.0