From patchwork Tue Dec 14 17:38:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 523733 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6FEEC433F5 for ; Tue, 14 Dec 2021 17:33:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236404AbhLNRd4 (ORCPT ); Tue, 14 Dec 2021 12:33:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229673AbhLNRdz (ORCPT ); Tue, 14 Dec 2021 12:33:55 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CBDAC061574; Tue, 14 Dec 2021 09:33:55 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id u80so18433572pfc.9; Tue, 14 Dec 2021 09:33:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=aiq9nNSvlZRUirau9B4I1N3QBcTBVS4NyHnI1Y/cwlI=; b=mZkyLk6P3Fp0rIPqxiycuhn3j5MLBRUp2miZAgxJhL0SIlwWwjdR6y+PuFOQi9pg1z f0vJkHft1DfFaFyxh6nB/BI4Gs1M0f+ceJtVSg7dkI+oSnL3GdC/wf7mVgx2w1BuHacQ xvAW3TzawJRnN2JZdJvyzSIZiM4F7cN4CGmQmv6cUvVUr929Uu+KQwSHu6iYWMUttB1M LUBk/9EjVuw/g8bSyY2jiYlfmONM/IGUNnI3qYluzJfcTSdAb8c1e35D6beJPwcROSdO /h41ViHPDrk9Fu4pH8fdaQuHdLBhSwiAhmAtfDwe02wAAmTUqVbTCtyeIMlBDaTybmrX Xnvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=aiq9nNSvlZRUirau9B4I1N3QBcTBVS4NyHnI1Y/cwlI=; b=ZzwnLr1rJhPjeVC6Fozow4bYH3EstS4arpXLEE1osQpE8PKMDElx6JAwfGzH5dZmmy eQ2QkHZBUYnkQWUD1kwRb+eQ3qlj8xOrqp5OhNOE1KNUS9goXfOdFQSEPJfwvVE9PhDT Jr4Drr95FidqRuN1yz5z/PtctmJqfdk58m14wkC418GXvlUMF6wgU7Bq9lpISlms2bNT Mfnk7tq6GhPO1RMRgSxQxhDoGHUrgTfdcRJqi9NiKQvr7XMqZmBA104mR14TJ8OmgPhy ybkq9E4L1jVGnpuCgAwCzHWBtfhkCV5T1dyItDtXDk2zBBSs0fmiEBd/OH5iCZttNlQk 9EHg== X-Gm-Message-State: AOAM533MlF4Xz0o6FJbg8eLFuOyQ247yopahqAY5/Qm22gkgPBs85Mva BMGHxPg7bJPNTQkmwscBCWQ= X-Google-Smtp-Source: ABdhPJxQRcmEWi0VOIERaMxn3AGDNXnCT28ghoDG1tX8uXegK9zrHvboi8MntbRDd9WYTe1yrWhwCA== X-Received: by 2002:a05:6a00:809:b0:4b1:33bd:82f5 with SMTP id m9-20020a056a00080900b004b133bd82f5mr5350689pfk.71.1639503234457; Tue, 14 Dec 2021 09:33:54 -0800 (PST) Received: from localhost (c-73-25-156-94.hsd1.or.comcast.net. [73.25.156.94]) by smtp.gmail.com with ESMTPSA id l13sm438617pfu.149.2021.12.14.09.33.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 09:33:53 -0800 (PST) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Stephen Boyd , Doug Anderson , Rob Clark , Abhinav Kumar , Alexey Dobriyan , Bjorn Andersson , Dmitry Baryshkov , Fernando Ramos , Guo Zhengkui , linux-kernel@vger.kernel.org (open list), Masahiro Yamada , Sean Paul Subject: [PATCH 0/3] drm/msm: Add display snapshot debugfs Date: Tue, 14 Dec 2021 09:38:58 -0800 Message-Id: <20211214173917.1496290-1-robdclark@gmail.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Rob Clark This series adds a "kms" debugfs file to dump display register + atomic state, which is useful for debugging issues that don't trigger a display error irq (such as dsi phy misconfiguration). Rob Clark (3): drm/msm/disp: Tweak display snapshot to match gpu snapshot drm/msm/disp: Export helper for capturing snapshot drm/msm/debugfs: Add display/kms state snapshot drivers/gpu/drm/msm/disp/msm_disp_snapshot.c | 28 ++++-- drivers/gpu/drm/msm/disp/msm_disp_snapshot.h | 14 ++- .../gpu/drm/msm/disp/msm_disp_snapshot_util.c | 9 +- drivers/gpu/drm/msm/msm_debugfs.c | 90 +++++++++++++++++++ 4 files changed, 129 insertions(+), 12 deletions(-)