From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CF1523859D3; Thu, 6 Aug 2026 17:09:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786036195; cv=none; b=iZDC1U2j9pY/e1EZxOPl+b/3hWWB0gkuLzd1eBDSFK7kzWutE649QYUfcTEjNqI16NqKZYO7yu+CFiLBQBVcg5RKJOjUP6Ccxb6f4HQtg5EVIB2qpjaGaVUewW7ad5Z8g3/kasnDJxG1+vqSiJAzzxLbTJTseQTWFpJ4XOILHc4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786036195; c=relaxed/simple; bh=3j8Y2VWzUHHVn7fnmcTtj47HwMwv4l28mSjidsjPSoc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=L8XTfxqRBhIAeqXH8Diz7gfeS9X0K6ohh3CEfVBQTEopzcmnTFPaltJupg8MRLLDHPVC4r/Of2tffRGFF5OhNXEcrBTZtRxhGlUjDyKnXRwnzQY3N2lnJquzrLEyebI0jHSLbIsCLjVSGjXUgjD10HtfAqS72i3XvoxD6I7avXQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=avvL1WKa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="avvL1WKa" Received: by smtp.kernel.org (Postfix) with ESMTPS id 66063C4AF10; Thu, 6 Aug 2026 17:09:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux.dev; s=korg; t=1786036195; bh=3j8Y2VWzUHHVn7fnmcTtj47HwMwv4l28mSjidsjPSoc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=avvL1WKaHglXcOAOA2zel1l+1ksbAw+1UkpdUlXsjlqQu2WYUKC9bqPT03NURbC6u WsNJ9mpszf4PWp3c4hpMt8EnE4P3oE9avc6Q2/tg1WxcuE5tmk4nGaiOrz53En1lIk kq4rJuWuE5CgxVPV2dOo/861cXjvWhha5scDFZ1M= Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F5E7C5AC80; Thu, 6 Aug 2026 17:09:55 +0000 (UTC) From: Alvin Sun Date: Fri, 07 Aug 2026 01:07:26 +0800 Subject: [PATCH v3 4/8] drm: move debugfs_init after dev->registered is set Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260807-tyr-debugfs-v2-v3-4-ff5595ac66ae@linux.dev> References: <20260807-tyr-debugfs-v2-v3-0-ff5595ac66ae@linux.dev> In-Reply-To: <20260807-tyr-debugfs-v2-v3-0-ff5595ac66ae@linux.dev> To: Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , =?utf-8?q?Onur_=C3=96zkan?= , Greg Kroah-Hartman , "Rafael J. Wysocki" , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Alexander Viro , Christian Brauner , Jan Kara , Matthew Brost , =?utf-8?q?Thomas_Hellstr=C3=B6m?= , rust-for-linux@vger.kernel.org, driver-core@lists.linux.dev, dri-devel@lists.freedesktop.org, Alvin Sun X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786036192; l=1535; i=alvin.sun@linux.dev; s=20260317; h=from:subject:message-id; bh=3j8Y2VWzUHHVn7fnmcTtj47HwMwv4l28mSjidsjPSoc=; b=JiqjzmF+Hf6okmV2BctyiTvlTlQw9TRSdd+G41efvmY17FJHk84qA45UkSLTPkbLSsoATeJ8N ZvYO/AEGRr5C24jfJdbWbNAbQ3qGz2fSbsOLSj0yI9+B9E7Ndp82GYq X-Developer-Key: i=alvin.sun@linux.dev; a=ed25519; pk=CHcwQp8GSoj25V/L1ZWNSQjWp9eSIb0s9LKr0Nm3WuE= X-Endpoint-Received: by B4 Relay for alvin.sun@linux.dev/20260317 with auth_id=684 The debugfs_init callback is called from drm_debugfs_register during drm_minor_register, before dev->registered is set to true. Move it to drm_dev_register after dev->registered = true so that callbacks see a fully registered device. Signed-off-by: Alvin Sun --- drivers/gpu/drm/drm_debugfs.c | 3 --- drivers/gpu/drm/drm_drv.c | 5 +++++ 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index ae1c6126c2c59..38cf6ce387cc8 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -442,9 +442,6 @@ int drm_debugfs_register(struct drm_minor *minor, int minor_id) /* TODO: Only for compatibility with drivers */ minor->debugfs_root = dev->debugfs_root; - if (dev->driver->debugfs_init && dev->render != minor) - dev->driver->debugfs_init(minor); - return 0; } diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index e890052061f30..15669764fe625 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -1101,6 +1101,11 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags) dev->registered = true; dev->unplugged = false; + /* Call debugfs_init after the device is fully registered. */ + if (dev->driver->debugfs_init && dev->primary && + dev->render != dev->primary) + dev->driver->debugfs_init(dev->primary); + if (driver->load) { ret = driver->load(dev, flags); if (ret) -- 2.43.0