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 4D9813E51D7; Tue, 5 May 2026 14:12:39 +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=1777990364; cv=none; b=lYNGyaQdW1KvZOZfdf+4wbCP2p3JuAmU6ILOeWuFgRvZXqgbnCxkOgGP7lWLMFHh3pg89rOVUxamNnnFx9dqoix0PlYyi63Z9CCk63lKPE9574cXYxzPpfBiJEBFPfzi22GIcNAt5tVAojW8EkMrz4erLukALNe6YON4byQms9I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777990364; c=relaxed/simple; bh=tOoW7b4SR2J2gs5SlYUmZ19S/XBYFrWNq8eD/CkJvdk=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=iN62qEt/m5ZIZ2wKX0lhsoE09VFue7cH0IacqSQtxQfAen9+d7RWMIQcgDvQy3zdP/btadt0NRzM4X/1/DerKrnzlZoLeITxFpthScIWIWE9/M7Ins1T1Pfc+a9ezaDdkLni+vmhIvL3Lp1wObrf6wqNc5Pgk9xr2PrGsFvlhOU= 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=URKuDEgt; 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="URKuDEgt" Received: from [192.168.1.83] (unknown [IPv6:2001:b07:6462:5de2:520d:d7a3:63ca:99e8]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 0E73EC71; Tue, 5 May 2026 16:12:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1777990354; bh=tOoW7b4SR2J2gs5SlYUmZ19S/XBYFrWNq8eD/CkJvdk=; h=From:Subject:Date:To:Cc:From; b=URKuDEgt1P0y18MTEMmQeKzxRKn9Q4N6lPGEtBNsem69XA9XZ7+Zsy+nlr5cswE83 Zy4As4PRMLjKgOfqIOzB7vdG68FKLH4KD8eoiJUcTefUQ56tcmRieIjvJwGKE/KQkf dzttA+7DWoj3coPYoSz5MTHJZF+cOUe1qOqhZgPQ= From: Jacopo Mondi Subject: [PATCH 0/6] media: v4l2-isp: Add support for extensible statistics Date: Tue, 05 May 2026 16:12:11 +0200 Message-Id: <20260505-extensible-stats-v1-0-e16f326b8dad@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=H4sIALv6+WkC/x3MQQqAIBBG4avErBNUqkVXiRZpvzUQFo5EEN49a fkt3ntJkBhCY/NSws3CZ6wwbUN+X+IGxWs1WW0H3etO4cmIwu6AkrxkUcGug0Pw3nhQza6EwM+ /nOZSPhW7xdFiAAAA 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 X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2147; i=jacopo.mondi@ideasonboard.com; h=from:subject:message-id; bh=tOoW7b4SR2J2gs5SlYUmZ19S/XBYFrWNq8eD/CkJvdk=; b=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBp+frT3NcaWVAYRGy0L9E6H8Q2bC3xJbaGyv5s8 GWExSouWs2JAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCafn60wAKCRByNAaPFqFW PH9/EACepwx6vQleymE7fKu6/CgnJrguhjOARZUgnLv9oLjLm86EuIkYui9rg1pyYm/m+m7DVAz I2s3XuVSANH5F0bOfC37QKMB8C4Sc7m36UFpbv7uugVlOxsYKog48ND64Jv1S9aZ3OwZz1BZ+5G Kntsy/y0ry1A8oCRe93CS4UjONOSoAZwm8BXqwb/0vwuhJiCG5I0N5x/JX1yFfx2C+ZYhSUt5ci HrOZ4Vz7jroDUJRqnIgVjrlFg0Mg4c24SuqCT/Yo8OxrG85BGL77OfiQGZd/bpMawTGfb2xmkJE gYTuudJMefrl5XQYhZdFnwRR2L4baqzlUq198pTizB0gbYa5elNE9r0b68DB80+iwPrEg0rtKet EvJmnAEWC4HIdrMFM5CKq80FkyvfaVD74K1tCJ3dexQnXHrbXLlRMWSeuLLuSXIRM70lCbUru3P XI7rSkCVV5CGm2+EOkZdvEiQ1WZ/KAgsykpRzwth052sXmuYQLvays9EVxfY9EJsD8vtLxaulPs 2HKkgzczF7mR5vusei7jvpGZDeK/AhoASVF8YK0QyYpxe5pStOZBiKyZvYDYFhCo8s6XxMnqVRr y04GHFg3AB5THkK8SkxZ+m+aAEgiagUghwBhKxPkf08OJA3k7SSDoaFhWxe+2Ry6nXvKJrlPxgz pQnCDMQbwHwxN/Q== 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 Antonie: I took the liberty to fold in your patches changes to address my comments on your v1. I pushed an un-squased version of the patches here: https://gitlab.freedesktop.org/linux-media/users/jmondi/-/tree/b4/extensible-stats-unsquashed so you can easily get the diff from this and your version. Please feel free to comment on these as you're the original author. Signed-off-by: Jacopo Mondi --- 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: d9c8c4adf23d17549c0ec9c85b99d85a0ee6cf18 change-id: 20260504-extensible-stats-f2d6befcc1ce Best regards, -- Jacopo Mondi