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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 7E11AC5ACAE for ; Thu, 12 Sep 2019 01:37:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5002D2085B for ; Thu, 12 Sep 2019 01:37:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="k4v95DuE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728253AbfILBhs (ORCPT ); Wed, 11 Sep 2019 21:37:48 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:41507 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726699AbfILBhs (ORCPT ); Wed, 11 Sep 2019 21:37:48 -0400 Received: by mail-pf1-f194.google.com with SMTP id b13so14830735pfo.8 for ; Wed, 11 Sep 2019 18:37:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=jy5SRy6ysNBo94VTweaZaJHfTY+VCYVdnfQshAKb0WM=; b=k4v95DuE7lWKvBVdtvsH9CRWmXvIB21882kOWRmrwlL/ePhEwfw9Umgw9vULw7E2pr NVdU9bQsOdCZ9OqGvvbpdJAhmfr/HLZM1qhPAMCz+vCZUV+CnNEz68izuCfyinsvaDB1 2sFQgGdUAZz3MfMrzrAq1YQtmc5BG1DEqUsr+phrNgMVMYVdwBlM/YyBtDAMQDCShSG5 nGvMZc8g6Sf2aEq2+Jtzzehmv8dHIuBfwjfj9fMTvOJCgni7U2tZUEB57QMy6ZTh8n4x ZS/EHtXKa8u2NVYMphQ0nK4dDJLbr9fFcW5/A5wfMK0uDo894TT2vJRFC0UkkWfZyT2N KYbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=jy5SRy6ysNBo94VTweaZaJHfTY+VCYVdnfQshAKb0WM=; b=k98IFi7PX1zR8XYaA5cjhe1lTkkiUEpeVSKNdGKlvd1K5E9ISZ8575wD/bac1FR4Sl mrp20LRFhIEEidXfzo0k4lGd+B7rbeAAIpZXmK0+mE9P69GrZtVVIOtIOFBPkYLIFeQa va2wHADW8T7/pZP+n+kVaknX48+AddFeryNHiBZcDMwJCVLdXTEYRqnzVq+oCl/dHOZl f2UFzBteCder0a5NiFRfPZgrP7NVnLqw3XqbHkLpFjAdfICgkOQLX5HeJelFvKsU+2hk mAj+BV4zqIS/8M1NAFjZsCgD8rdEhGUMP0z2i5eHOoPGUCKWOKkdtKLAKXz6Irlw+qLV qkRA== X-Gm-Message-State: APjAAAUYlOwNt7kaGgsww7RyikLcnEOPBVpqpGv+3CyD2nRIeNYd+ZUz HxWUfXkveNfgRktTHOgWdhc= X-Google-Smtp-Source: APXvYqyt8MVFo3gbMGKTnWOJvKI7dY5EL+0DtCMd2EJSVzgh2no+WFBAS33R4p5z/B7AnHZZ/JevTA== X-Received: by 2002:aa7:9194:: with SMTP id x20mr21524493pfa.126.1568252267613; Wed, 11 Sep 2019 18:37:47 -0700 (PDT) Received: from localhost.lan (c-67-185-54-80.hsd1.wa.comcast.net. [67.185.54.80]) by smtp.gmail.com with ESMTPSA id f22sm8682967pgb.4.2019.09.11.18.37.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2019 18:37:46 -0700 (PDT) From: Andrey Smirnov To: dri-devel@lists.freedesktop.org Cc: Andrey Smirnov , Andrzej Hajda , Laurent Pinchart , Tomi Valkeinen , Cory Tusar , Chris Healy , Lucas Stach , linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] tc358767 test mode Date: Wed, 11 Sep 2019 18:37:38 -0700 Message-Id: <20190912013740.5638-1-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Everyone: This series is a couple of patches exposing TestCtl register of tc358767, which can be pretty handy when troubleshooting link problems. Changes since [v1]: - Debugfs moved into a standalone directory and is now created as a part of probe() - Added tstctl_lock to ensure mutual exclusion of tstctl code and bridge's enable/disable methods - tc_tstctl_set() changed to function only if bridge was previosly enabled - Added comment explaining data format expected by "tstctl" - Debugfs permission changed to reflect write-only nature of this feature - Original commit split into two - Minor formatting changes Thanks, Andrey Smirnov [v1] lore.kernel.org/r/20190826182524.5064-1-andrew.smirnov@gmail.com Andrey Smirnov (2): drm/bridge: tc358767: Introduce __tc_bridge_enable/disable() drm/bridge: tc358767: Expose test mode functionality via debugfs drivers/gpu/drm/bridge/tc358767.c | 184 ++++++++++++++++++++++++------ 1 file changed, 148 insertions(+), 36 deletions(-) -- 2.21.0