From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) (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 B662126463B for ; Thu, 20 Feb 2025 23:42:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.11.138.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740094929; cv=none; b=MmovJvmpfvmrJvtvs8otLjjtZMBIIoHBmyNHBBr9+MjTKh8HWzUySAC7/sHZUkoM4a2sZEY2CC7nuqtuI73SVSeP6zN9g9FNgYJp5gGjY9mhOWw4QcBvhpRboFHhNqEd7V9fd9ItrFCCxd8fuAcg6BRQvDZslOZLx7IHnoDTa30= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740094929; c=relaxed/simple; bh=qPDCRiRCdLgzwF3SVM1KmIYhyrBw+j3fZ25iP43Io6w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=p30E6UGFs3pXL2kpOv6APsKHL7ooqVMG3VQrUL61iggC00meduSOwqB06JS6VQscgXxhfsSLH9MJZQaxKE50SASwdTp22cJ6D1S4OeoNwgqfW7D9qjMbZgJzjVSMLZ0LvPRENZQy9ffyibaLKOsvpfhSoYnTeOF9TaHRmxHSWqI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sntech.de; spf=pass smtp.mailfrom=sntech.de; dkim=pass (2048-bit key) header.d=sntech.de header.i=@sntech.de header.b=zCqaZdRK; arc=none smtp.client-ip=185.11.138.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sntech.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sntech.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sntech.de header.i=@sntech.de header.b="zCqaZdRK" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Transfer-Encoding:MIME-Version:Message-ID:Date: Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=pAp6aTU3MDvbZXbMddmb4brUtJ96X0DNMEe6D505W3o=; b=zCqaZdRKtbRWquJ7RUr0725Q8Z I/iBTPCptWUcH5wEXytEHhz2afiedCNckgIwT9zaXryJoyr6p5yqlkSKt6t7ZaPjLao9BP51innAv KfCeUfpKW77sGdUEAkra71ijEsmWnLUeMtbDOBZGIKDHokiS4v9zSuTaGwly0JC2Z71j8wk8wPXTN Ov/jv/6j1h6jje4W6XGmZnoXwgI/oSXjaziHOAs1o03piA/GsPqRHhhEqHU3TN43AUEF/ZPDpSWt6 KwojoeoLXNvEVPucII/ufJtPBqkD41ArbWRd7O4ovDSm4+oRpbay9AIX/1QBwsCuPJfCfv2dIF0Hk ktE/4Vlw==; Received: from i53875bc0.versanet.de ([83.135.91.192] helo=localhost.localdomain) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tlGAx-0004Wc-Q9; Fri, 21 Feb 2025 00:41:51 +0100 From: Heiko Stuebner To: gregkh@linuxfoundation.org, heiko@sntech.de Cc: rafael@kernel.org, dakr@kernel.org, hjc@rock-chips.com, andy.yan@rock-chips.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, quentin.schulz@cherry.de Subject: [PATCH 0/2] Fix the shutdown callback of a drm component device Date: Fri, 21 Feb 2025 00:41:39 +0100 Message-ID: <20250220234141.2788785-1-heiko@sntech.de> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Probe deferral can cause the platform-data we access to be freed already causing ugly splats on system shutdown. Fix this via a small component-helper and adapting the rockchip-drm shutdown handler. Heiko Stuebner (2): drivers: base: component: add function to query the bound status drm/rockchip: Fix shutdown when no drm-device is set up drivers/base/component.c | 14 ++++++++++++++ drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 6 ++++-- include/linux/component.h | 4 +++- 3 files changed, 21 insertions(+), 3 deletions(-) -- 2.47.2