From patchwork Fri Apr 9 02:28:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhinav Kumar X-Patchwork-Id: 418909 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=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 7F019C433ED for ; Fri, 9 Apr 2021 02:28:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A0D260238 for ; Fri, 9 Apr 2021 02:28:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232770AbhDIC3F (ORCPT ); Thu, 8 Apr 2021 22:29:05 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:58023 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232616AbhDIC3F (ORCPT ); Thu, 8 Apr 2021 22:29:05 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1617935333; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=eC7W0m1KmzQZ5WyLiYa0BIRlhpzjt5ATSFHCAg3dHH8=; b=SQowG2WVHbyKRxOUUYzNvmljPyuXWCLTRMXe1wr9DXxmRMqWU3XtySBnMZvAxtWLrkItE5KC azn+7TrllbknCfu+6DTQIbxsatG2mE1HWhgd8f5Hrf5p9CSA3lirKIvGPpqnzJLMT0cVGrPI LRaPM2P+DaB73C+/RmtpTTYrpXs= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 606fbbdd74f773a664116579 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 09 Apr 2021 02:28:45 GMT Sender: abhinavk=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 99DDFC43464; Fri, 9 Apr 2021 02:28:44 +0000 (UTC) Received: from abhinavk-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: abhinavk) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6AA2AC433C6; Fri, 9 Apr 2021 02:28:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6AA2AC433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=abhinavk@codeaurora.org From: Abhinav Kumar To: dri-devel@lists.freedesktop.org Cc: Abhinav Kumar , linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, robdclark@gmail.com, seanpaul@chromium.org, swboyd@chromium.org, nganji@codeaurora.org, aravindh@codeaurora.org, khsieh@codeaurora.org, daniel@ffwll.ch Subject: [PATCH v3 0/3] Add devcoredump support for DPU Date: Thu, 8 Apr 2021 19:28:34 -0700 Message-Id: <1617935317-15571-1-git-send-email-abhinavk@codeaurora.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This series adds support to use devcoredump for DPU driver. It introduces the dpu_dbg module which assists in the capturing of register dumps during error scenarios. When a display related error happens, the dpu_dbg module captures all the relevant register dumps along with the snapshot of the drm atomic state and triggers a devcoredump. changes in v3: - Get rid of registration mechanism for sub-modules and instead get this information from the dpu catalog itself - Get rid of global dpu_dbg struct and instead store it in dpu_kms - delegate the power management of the sub-modules to the resp drivers - refactor and remove the linked list logic and simplify it to have just an array Abhinav Kumar (3): drm: allow drm_atomic_print_state() to accept any drm_printer drm/msm/dpu: add support to dump dpu registers drm/msm/dpu: add dpu_dbg points across dpu driver drivers/gpu/drm/drm_atomic.c | 28 ++- drivers/gpu/drm/drm_atomic_uapi.c | 4 +- drivers/gpu/drm/drm_crtc_internal.h | 4 +- drivers/gpu/drm/msm/Makefile | 2 + drivers/gpu/drm/msm/disp/dpu1/dpu_dbg.c | 221 ++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_dbg.h | 200 ++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_dbg_util.c | 257 +++++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 18 +- .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 14 +- .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 8 +- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 86 +++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 5 + drivers/gpu/drm/msm/dp/dp_catalog.c | 10 + drivers/gpu/drm/msm/dp/dp_catalog.h | 5 + drivers/gpu/drm/msm/dp/dp_display.c | 37 +++ drivers/gpu/drm/msm/dp/dp_display.h | 1 + drivers/gpu/drm/msm/dsi/dsi.c | 5 + drivers/gpu/drm/msm/dsi/dsi.h | 4 + drivers/gpu/drm/msm/dsi/dsi_host.c | 25 ++ drivers/gpu/drm/msm/msm_drv.c | 29 ++- drivers/gpu/drm/msm/msm_drv.h | 2 + drivers/gpu/drm/selftests/test-drm_framebuffer.c | 1 + 23 files changed, 950 insertions(+), 18 deletions(-) create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_dbg.c create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_dbg.h create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_dbg_util.c