From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 366061FF7C5; Fri, 26 Jun 2026 15:13:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782486826; cv=none; b=B5a3iNh2mwQre8F+lT/Vui561mz+d631g2lNxvSkzK0iMkQdXfiZC8jT7+KuV5rCzSDBMZQpSR4tHDWZ4x3L5/SQbM4wSbJIKqU9yVUm/cwdPRj4awoaI/pgtIHAUWcey9mYeEYiilmCBu8R3BU8mg5QK/AJ5fIg04j2H89GMm4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782486826; c=relaxed/simple; bh=/ZeCNbT9Q22nqC60XDIjZQywjMX1wtsvaJ+ibxeTJzM=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=dMJOCRXEZAQAG4kmQzFbmVgMWAeHdrQpOsCnDHfAbP3ifCPhaI2YxmSBhIocF/AYjhmePRAVVm2p5PKX5bBfOwinh6mCunTw0BCtV3G1ezvDrbDUAdnRXL1QYKgYdkcjV7MnlmxVr2avVdnTmeX47WYdSLldQtdLYjFKuqQ706w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=FZPKW5Zq; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="FZPKW5Zq" Received: from [10.1.1.1] (net-93-65-100-155.cust.vodafonedsl.it [93.65.100.155]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id BD0A21E6; Fri, 26 Jun 2026 17:12:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1782486775; bh=/ZeCNbT9Q22nqC60XDIjZQywjMX1wtsvaJ+ibxeTJzM=; h=From:Subject:Date:To:Cc:From; b=FZPKW5ZqgR7xXBRjd38LNK6EVxvtAGi1IfB4oSsc3CPsMvqTnlfu3XlXoMz39fwTv w+4L4KjRWq3pUmXXC+ih2islKzflHdIBBZAv/2CC3a+cgmyyw/m1QpIboBEJ65vcoA HCHBOfQnjxi0pVtaF3zzW32KHnClM6L6lgxryprc= From: Jacopo Mondi Subject: [PATCH v2 0/6] media: v4l2-isp: Add support for extensible statistics Date: Fri, 26 Jun 2026 17:13:19 +0200 Message-Id: <20260626-extensible-stats-v2-0-41fdd5cf728b@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIABCXPmoC/2WNywrCMBBFf6XM2kgSbRBX/kfpIo+JHdBEMqFUS v/dWHDl8hy4567AWAgZrt0KBWdiyqmBPnTgJ5vuKCg0Bi21kb08C1wqJib3QMHVVhZRB+Mweq8 8Qpu9CkZa9uQwNp6Iay7v/WFWX/uL9f+xWQkpUJl40sZdgg03Cmg5J5dtCUefnzBu2/YBhEYzg bcAAAA= X-Change-ID: 20260504-extensible-stats-f2d6befcc1ce To: Mauro Carvalho Chehab , Daniel Scally , Keke Li , Antoine Bouyer , Jai Luthra , =?utf-8?q?Niklas_S=C3=B6derlund?= , Ricardo Ribalda Cc: Laurent Pinchart , Sakari Ailus , Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Jacopo Mondi , =?utf-8?q?Niklas_S=C3=B6derlund?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1912; i=jacopo.mondi@ideasonboard.com; h=from:subject:message-id; bh=/ZeCNbT9Q22nqC60XDIjZQywjMX1wtsvaJ+ibxeTJzM=; b=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqPpccjWua4OuXUsE99PzdVNvpZSoz4HN4paJAf c4Ab4SEtnOJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCaj6XHAAKCRByNAaPFqFW PE9dD/0elNU1Xw+hClJ+dhBgAVxMdYi+RABqyK62UGfS32mqzlFpPqY2jqErqfub2T55F/czzKM HQpQrZ/YTWgEFNKHN9gB76XQaxBUS5qtQ2Mgzmf1Ub9m6VgCdHWbPu+qO/Q6F1QpmA6kZflh2Zu EOyL4IpHX442XjaEnqjT4kCnuRZbZdFxc74scrZ96ZBWZgZk+Px66xETiz+5mtDtHJzNFIGDdUw XGeG7qiB4v1FVwQYKOtWf3SVzPKYC6dwVaHP0AKpOd6P6wgQExyalXGUUs96xkQ4uX/0mvfZTHd BYSfNn/N/MI9Em0crcHg73NGa+R07hG0xNAzCIvtzkM3PUa/TiGjBrYj3dZOH7ee7WGFr1e3jA4 X5qhCZ82Tmm9v61IxrvZ6F8skRCdSBcjhp/IYYlOm5Pz920BhxPki830/4juZC3Vq6pVH4KZJLC rFDK4mLY0v+AGgtgHBUfUTX5V2e6tL8w3619q2yS9N9BKLhwdwPLzqQDHG6jRXeZmRXvs2hX5Tx PZyOLTYZLPLcBJq44BhJfe1PJaiPvlt0oPsewybSXRg5fyQG6/UO03ba4rjMHORwNH4vFnBSTT0 3gcRsnNMIVgVe9MUmp5KciKWL8KlZvZwcsNgOH9zjCvwnhqfaWPaEoUEu5SSePmxHG1f0nIdRJC ZvlZw4CkUUkBZyQ== X-Developer-Key: i=jacopo.mondi@ideasonboard.com; a=openpgp; fpr=72392EDC88144A65C701EA9BA5826A2587AD026B This series breaks out from Antonie's https://patchwork.linuxtv.org/project/linux-media/list/?series=24043 the extensible stats support and adds a few more patches on top to: - add support for per-block validation as suggested during the review of Ricardo's https://patchwork.linuxtv.org/project/linux-media/patch/20260504-smatch-7-1-v3-6-fda125c30058@chromium.org/ - add two helper functions to v4l2-isp to ease handling of extensible statistics for drivers. An early user, based on a preliminary version of the patches is available here as a reference: https://patchwork.linuxtv.org/project/linux-media/list/?series=24703 Signed-off-by: Jacopo Mondi --- Changes in v2: - Collect tags - Link to v1: https://lore.kernel.org/r/20260505-extensible-stats-v1-0-e16f326b8dad@ideasonboard.com --- Antoine Bouyer (2): media: uapi: v4l2-isp: Add extensible statistics media: Documentation: uapi: Update V4L2 ISP for extensible stats Jacopo Mondi (4): media: v4l2-isp: Rename v4l2_isp_params_buffer_size media: v4l2-isp: Add per-block validation callback media: amlogic-c3: Implement per-block validation media: v4l2-isp: Add helpers for stats buffer Documentation/userspace-api/media/v4l/v4l2-isp.rst | 45 ++++++-- .../media/platform/amlogic/c3/isp/c3-isp-params.c | 42 ++++++- .../media/platform/arm/mali-c55/mali-c55-params.c | 12 +- drivers/media/v4l2-core/v4l2-isp.c | 56 +++++++++ include/media/v4l2-isp.h | 94 +++++++++++++--- include/uapi/linux/media/v4l2-isp.h | 125 +++++++++++++-------- 6 files changed, 294 insertions(+), 80 deletions(-) --- base-commit: 06cb687a5132fcffe624c0070576ab852ac6b568 change-id: 20260504-extensible-stats-f2d6befcc1ce Best regards, -- Jacopo Mondi