From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 15D80C55172 for ; Tue, 4 Aug 2026 10:09:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5B6CB10E990; Tue, 4 Aug 2026 10:09:57 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="LI6crjvx"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id B32BD10E687 for ; Tue, 4 Aug 2026 10:09:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1785838195; bh=4PEo6ltYK2sqYwCSiPvreVKFxzAiD3FX1R2hrd+AH3U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=LI6crjvxTIltXjO90Pi3swewEMUtJJDKDw3R8nLTyiv8QKuJEsGxAtjNXf7W0Ng/b eVoqQKyA/9mmeC6YmyNcmS/6K3q1eckeWg+Qg6sZ/Hup8/7dlxmqw+jL9tD/KphWjO 9zZkL7uFUuAGyfEZuBM3BspDpL8kAgmZwkRRbiBlzVKchPclkBQN2FLulawJEP1fTq XMPD7tbYwcuNZ35KC4PG4gfkElPmxojvBXPrdxz4xbDBfGpQW8pvDwwsjvAe97qObG WHwZfUmLR83luC9l26xW7Z09wujM9d5kZ6ngXi977bqETCR0pU4NkSTfyupFSjSphL HWp+Wdy+MPIbQ== Received: from fedora-21.home (unknown [100.64.0.11]) (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: bbrezillon) by bali.collaboradmins.com (Postfix) with ESMTPSA id EA9EF17E0896; Tue, 04 Aug 2026 12:09:54 +0200 (CEST) From: Boris Brezillon Date: Tue, 04 Aug 2026 12:09:40 +0200 Subject: [PATCH 01/12] drm/panthor: Disable reset work before unplug MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260804-panthor-unplug-fixes-v1-1-abbbd2d41b13@collabora.com> References: <20260804-panthor-unplug-fixes-v1-0-abbbd2d41b13@collabora.com> In-Reply-To: <20260804-panthor-unplug-fixes-v1-0-abbbd2d41b13@collabora.com> To: Steven Price , Liviu Dudau Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Boris Brezillon X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1785838194; l=848; i=boris.brezillon@collabora.com; s=20260429; h=from:subject:message-id; bh=4PEo6ltYK2sqYwCSiPvreVKFxzAiD3FX1R2hrd+AH3U=; b=8nNhBu4EHMzZ3AIzEC7YY7+Renks/fLDZZHuV5IlF3GxaRIRd4+Rs9owJzfBztP6OsgygCZcd IqjEJSwOLaFBKx1bP5/qno68gaT8MggcBBVFTRqcxbhS3LZKkx4bYkE X-Developer-Key: i=boris.brezillon@collabora.com; a=ed25519; pk=eN+ORdOgQY7d5U+0kA8h5bf67XdD8bhKbjD/TCHexSY= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Make sure we're not interrupted by resets while we're unplugging. Signed-off-by: Boris Brezillon --- drivers/gpu/drm/panthor/panthor_device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c index 0b25abebb803..e7f5744bc1e3 100644 --- a/drivers/gpu/drm/panthor/panthor_device.c +++ b/drivers/gpu/drm/panthor/panthor_device.c @@ -86,6 +86,9 @@ void panthor_device_unplug(struct panthor_device *ptdev) */ drm_dev_unplug(&ptdev->base); + /* Make sure we're not interrupted by resets while we're unplugging. */ + disable_work_sync(&ptdev->reset.work); + /* We do the rest of the unplug with the unplug lock released, * future callers will wait on ptdev->unplug.done anyway. */ -- 2.55.0