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 56E88105F781 for ; Fri, 13 Mar 2026 09:17:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BAE3110EB54; Fri, 13 Mar 2026 09:17:50 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="qrCWNn48"; dkim-atps=neutral Received: from forward101a.mail.yandex.net (forward101a.mail.yandex.net [178.154.239.84]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6CD0910E0DA for ; Fri, 13 Mar 2026 09:17:49 +0000 (UTC) Received: from mail-nwsmtp-smtp-production-main-81.vla.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-81.vla.yp-c.yandex.net [IPv6:2a02:6b8:c0f:571a:0:640:23e3:0]) by forward101a.mail.yandex.net (Yandex) with ESMTPS id BA6AC80E9A; Fri, 13 Mar 2026 12:17:46 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-81.vla.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id 3HEusrTGkmI0-9zP4Lv6M; Fri, 13 Mar 2026 12:17:45 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=mail; t=1773393466; bh=zw4BW7xq9n36BgD6MB8AZl3w8nnFPfRvDfzjrTAcMTw=; h=Message-ID:Date:Cc:Subject:To:From; b=qrCWNn48F/vf+k8Ltav4UisfBQXf/aJ0aJ54nfPMfO3JKTNtOoxVEmOG3YftN8DFk s7rgfNKxMR1HizlJDv/GumR4B00d5taBgR4juYkMe7IHM8O6GKu0RyuAtuXd0R6YrZ 44oZXVlfw3TczEpU1AnGGH74E+3jM1xZ2QxT3Bfg= Authentication-Results: mail-nwsmtp-smtp-production-main-81.vla.yp-c.yandex.net; dkim=pass header.i=@onurozkan.dev From: =?UTF-8?q?Onur=20=C3=96zkan?= To: linux-kernel@vger.kernel.org Cc: dakr@kernel.org, aliceryhl@google.com, daniel.almeida@collabora.com, airlied@gmail.com, simona@ffwll.ch, dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org, =?UTF-8?q?Onur=20=C3=96zkan?= Subject: [PATCH v1 RESEND 0/4] drm/tyr: implement GPU reset API Date: Fri, 13 Mar 2026 12:16:40 +0300 Message-ID: <20260313091646.16938-1-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" This series adds GPU reset handling support for Tyr in a new module drivers/gpu/drm/tyr/driver.rs which encapsulates the low-level reset controller internals and exposes a ResetHandle API to the driver. The reset module owns reset state, queueing and execution ordering through OrderedQueue and handles duplicate/concurrent reset requests with a pending flag. Apart from the reset module, the first 3 patches: - Fixes a potential reset-complete stale state bug by clearing completed state before doing soft reset. - Adds Work::disable_sync() (wrapper of bindings::disable_work_sync). - Adds OrderedQueue support. Runtime tested on hardware by Deborah Brouwer (see [1]) and myself. [1]: https://gitlab.freedesktop.org/panfrost/linux/-/merge_requests/63#note_3364131 Link: https://gitlab.freedesktop.org/panfrost/linux/-/issues/28 --- Onur Özkan (4): drm/tyr: clear reset IRQ before soft reset rust: add Work::disable_sync rust: add ordered workqueue wrapper drm/tyr: add GPU reset handling drivers/gpu/drm/tyr/driver.rs | 38 +++---- drivers/gpu/drm/tyr/reset.rs | 180 ++++++++++++++++++++++++++++++++++ drivers/gpu/drm/tyr/tyr.rs | 1 + rust/helpers/workqueue.c | 6 ++ rust/kernel/workqueue.rs | 62 ++++++++++++ 5 files changed, 260 insertions(+), 27 deletions(-) create mode 100644 drivers/gpu/drm/tyr/reset.rs base-commit: 0ccc0dac94bf2f5c6eb3e9e7f1014cd9dddf009f -- 2.51.2