From nobody Sun Feb 8 01:10:02 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 C5E8B44C8F; Fri, 12 Dec 2025 16:01:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765555306; cv=none; b=bH6pw0MggrjHrhU3u9NoMcfuKZ/HkzsCWYwbbUahcvIijnWQ3rnNYWdF4xtv23aY7kZhII+P1U5HNYqUvw+ThztwajxS9syqEzrSMdtCFJp6dBcEAqI8ybVE9A4K0qqxzWr1Jtb9esWR18rD1ltQ3ybTYd+w+80QYZ60zMcLcbI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765555306; c=relaxed/simple; bh=6C8YphqfTDdebCVna2Q5xUBkPyfF4qogtfqUDvYjttI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=BAKVktG8lDmZQ6eMin4GAW+h3wohdfb0BRQMnHV+GcUveqAYav6huRItz+L+6vdOjwGlu8XMD/eGinIz4s2y9Ph1+Nl1G3C3ykpGF1mGfsryfaaO87ju9rdNFLCBz7eAx7prqdM2I46laeclY3jrYdzMvYUFaJJPTgiPcrTXG/o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=DsvJs9f1; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="DsvJs9f1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1765555297; bh=6C8YphqfTDdebCVna2Q5xUBkPyfF4qogtfqUDvYjttI=; h=From:To:Cc:Subject:Date:From; b=DsvJs9f1sRzjm+YY0eNrDP1xdN/n/oLQlVdleX2EJ3TcFQ/AMdOiCLvuWhChrgSzm mnFSpgGQbRfZLvUYjNTY6rwzmcxvX9cvXvEpZ+QKuxOcL8xmaQyU65ZEDGAfCZL12a Nm/eYEwdXeCwhTnKkQHnc1UOYowI23+YpdfI0cGtfB2mkeMy/5QKMcKHhFwkWwc3lL VPAzNrVyVfzxFISh/2nhllw7zso6KW69QHmjwGTqkUGZ0lSvCqoe7w29tnvO2lxZb6 yJo+bHKpER/VlFNxX6rKgA1hW78A7C58FeUx3WqFWCE/TZnJ5cyU8k0LNFmYhkp9xI OCc44jmhB5XQA== Received: from trenzalore (modemcable014.2-22-96.mc.videotron.ca [96.22.2.14]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: detlev) by bali.collaboradmins.com (Postfix) with ESMTPSA id 0A77B17E0465; Fri, 12 Dec 2025 17:01:35 +0100 (CET) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Detlev Casanova , Ezequiel Garcia , Mauro Carvalho Chehab , Heiko Stuebner , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com, kernel test robot , Nicolas Dufresne Subject: [PATCH] media: rkvdec: vp9: Fix probs struct alignment Date: Fri, 12 Dec 2025 11:01:01 -0500 Message-ID: <20251212160101.146684-1-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" When building for arm 32 bits, the struct alignment changes and the compiler adds 3 padding bits to the anonymous mv struct in rkvdec_vp9_inter_frame_probs. Therefore, the BUILD_BUG_ON used to check that the struct size is aligned to 128 bits (hardware requirement) fails. As that mv struct is at the end of the global rkvdec_vp9_probs struct and is followed by 11 padding bits, the 3 padding bits can be explicitely set in the mv struct and removed from the 11 following it. This makes sure that the mv struct is 32 bits aligned. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202512110229.R6YCf1Le-lkp@int= el.com/ Fixes: d968e50b5c26 ("media: rkvdec: Unstage the driver") Suggested-by: Nicolas Dufresne Signed-off-by: Detlev Casanova Reviewed-by: Nicolas Dufresne --- drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c b/drivers/= media/platform/rockchip/rkvdec/rkvdec-vp9.c index b4bf01e839ef..23c733ca2e8e 100644 --- a/drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c +++ b/drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c @@ -66,6 +66,8 @@ struct rkvdec_vp9_inter_frame_probs { u8 fr[2][3]; u8 class0_hp[2]; u8 hp[2]; + /* 32 bit alignment */ + u8 padding6[3]; } mv; }; =20 @@ -85,7 +87,7 @@ struct rkvdec_vp9_probs { struct rkvdec_vp9_intra_only_frame_probs intra_only; }; /* 128 bit alignment */ - u8 padding1[11]; + u8 padding1[8]; }; =20 /* Data structure describing auxiliary buffer format. */ --=20 2.52.0