From mboxrd@z Thu Jan 1 00:00:00 1970 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 9546430FC23; Tue, 18 Nov 2025 08:44:54 +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=1763455496; cv=none; b=F6uQyf3OWWSA1hmET69hTcFIynjU3oCmwa/qcrenXPy0WSqk/p/NnWnocLt0k1+dqodx+IjPizAbJ2tPblYBNg+yfCQT4BY+mioQtWzRKVXJz8DpWYGDkHL6b7frjhsaoENPeg1mPn9ZJewHjSNtyebk9GdWgYem3FqGqQm8HCc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763455496; c=relaxed/simple; bh=hTbUmuYiKLq322sR4T6juTDTdLLt60pQ4qpIzW07z4k=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aoiVP2mQ1Z0NodNwb6goyflZNy1siUGGvE5VPUl0OBTNweCL5wYFIqyD1mB7BHrMxLNKfzEeT0Uh4XjQRLEhHDdFUfqMb19G8F6tKo0ZOueGfGvR4TLSB/f90swIBWreqTGUqbhk+iSS8GV2A2fqlcDqWPrpIA0E2ztwk8udnK8= 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=aHHRJwHk; 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="aHHRJwHk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1763455486; bh=hTbUmuYiKLq322sR4T6juTDTdLLt60pQ4qpIzW07z4k=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=aHHRJwHkiFdn6JxXxB5hQhpE7ppddqLDGxV1vBq6SgOjNfqxTMqwc/lnGNXvOe4WS 0OW8OcNFlljUz9zfizY9w3ZekI5MU/rgcjWo6p3YzM1hgIEBtRh7K9csXEJv9idwzo brSGfdPUTj8yxMjvBLWxk73e1yGSFViasnF2RXmWGFC2TN3X7D126AB3F0iLCWYgsk ThlxvbOKIh7F1Cy91DBDUNImfBMpwomEVAj0VJFLseZ1fo2BaSxudhIzBOqSry/Xnv 0pG1yUK1KNUYDtUYx7BvwNDJ8r2FHv1Rtk1Y62/cXf9imduV4t8JJWEIsyu044QFys +IJn8cnVRFBuw== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 395A917E101A; Tue, 18 Nov 2025 09:44:46 +0100 (CET) Message-ID: <67bc01ca-10a4-44c2-a588-1516df832108@collabora.com> Date: Tue, 18 Nov 2025 09:44:45 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/1] drm/mediatek: Add check framebuffer width and height size before config ovl To: Xiandong Wang , Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Yongqiang Niu Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, sirius.wang@mediatek.com, vince-wl.liu@mediatek.com, jh.hsu@mediatek.com, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20251118022437.1284-1-xiandong.wang@mediatek.com> <20251118022437.1284-2-xiandong.wang@mediatek.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20251118022437.1284-2-xiandong.wang@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 18/11/25 03:22, Xiandong Wang ha scritto: > During the execution of the IGT test kms_cursor_edge_walk, > the screen experiences glitches and the hardware hangs. > It was discovered that the framebuffer dimensions (width and height) > provided by IGT to the display driver are zero, leading to > abnormal parameters that cause the hardware to freeze. > Therefore, it is necessary to verify the buffer dimensions > before successfully passing the IGT test. > > Signed-off-by: Xiandong Wang Needs a Fixes tag. After which: Reviewed-by: AngeloGioacchino Del Regno Cheers, Angelo