From patchwork Tue Nov 3 10:36:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 11877053 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1EE9BC82609 for ; Tue, 3 Nov 2020 10:37:03 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B1C0E2242E for ; Tue, 3 Nov 2020 10:37:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B1C0E2242E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 622E56E86D; Tue, 3 Nov 2020 10:37:01 +0000 (UTC) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTP id 5EAF06E0A2 for ; Tue, 3 Nov 2020 10:37:00 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id ABF76ACC6; Tue, 3 Nov 2020 10:36:59 +0000 (UTC) From: Thomas Zimmermann To: hdegoede@redhat.com, airlied@linux.ie, daniel@ffwll.ch, sean@poorly.run, maarten.lankhorst@linux.intel.com, mripard@kernel.org Subject: [PATCH v2 0/3] drm: Store USB device in struct drm_device Date: Tue, 3 Nov 2020 11:36:53 +0100 Message-Id: <20201103103656.17768-1-tzimmermann@suse.de> X-Mailer: git-send-email 2.29.0 MIME-Version: 1.0 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: , Cc: Thomas Zimmermann , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The drivers gm12u320 and udl operate on USB devices. They leave the PCI device in struct drm_device empty and store the USB device in their own driver structure. It's expected that DRM core and helpers only touch the PCI-device field for actual PCI devices. Fix this special case by upcasting struct drm_device.dev to the USB device. The drivers' udev variables are being removed. v2: * upcast USB device from struct drm_device.dev (Daniel) Thomas Zimmermann (3): drm: Add USB helpers drm/tiny/gm12u320: Retrieve USB device from struct drm_device.dev drm/udl: Retrieve USB device from struct drm_device.dev Documentation/gpu/drm-internals.rst | 5 +++ drivers/gpu/drm/tiny/gm12u320.c | 52 +++++++++++++---------------- drivers/gpu/drm/udl/udl_connector.c | 9 ++--- drivers/gpu/drm/udl/udl_drv.c | 3 -- drivers/gpu/drm/udl/udl_drv.h | 1 - drivers/gpu/drm/udl/udl_main.c | 25 ++++++++------ include/drm/drm_usb_helper.h | 25 ++++++++++++++ 7 files changed, 73 insertions(+), 47 deletions(-) create mode 100644 include/drm/drm_usb_helper.h Reviewed-by: Hans de Goede --- 2.29.0