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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 B62CFC388F7 for ; Wed, 28 Oct 2020 14:35:48 +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 3753B2479C for ; Wed, 28 Oct 2020 14:35:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="DOk50rMv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3753B2479C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org 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 7C5F66E52C; Wed, 28 Oct 2020 14:35:47 +0000 (UTC) Received: from m42-4.mailgun.net (m42-4.mailgun.net [69.72.42.4]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3A4A36E532 for ; Wed, 28 Oct 2020 14:35:40 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1603895745; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=/ZGUMfp1A0aHVNO/vay/6ICqzhjKvdAharx01TPBxAI=; b=DOk50rMvLnPg2akzHbxHEjQLLrBrCyBH9W0F6EEg104WByYwPmbeISetpugUJyZCtgyxbaYh CntUIwmVX3Y3NJWrDZZtvI7D1QjL1wmm1KUce3XsVWy42xBOo/rdNjyqPluIWOEA/wZgTg5f V0NWdEWae/3f+l+W0J6zz30ALvo= X-Mailgun-Sending-Ip: 69.72.42.4 X-Mailgun-Sid: WyIxOTRiMSIsICJkcmktZGV2ZWxAZnJlZWRlc2t0b3Aub3JnIiwgImJlOWU0YSJd 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-west-2.postgun.com with SMTP id 5f9981a7807e82a153aeac86 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 28 Oct 2020 14:35:19 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id D7912C433F0; Wed, 28 Oct 2020 14:35:19 +0000 (UTC) Received: from akhilpo-linux.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: akhilpo) by smtp.codeaurora.org (Postfix) with ESMTPSA id E2770C433CB; Wed, 28 Oct 2020 14:35:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E2770C433CB 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=akhilpo@codeaurora.org From: Akhil P Oommen To: freedreno@lists.freedesktop.org Subject: [PATCH v2 1/2] drm/msm: Implement shutdown callback for adreno Date: Wed, 28 Oct 2020 20:05:10 +0530 Message-Id: <1603895711-23755-1-git-send-email-akhilpo@codeaurora.org> X-Mailer: git-send-email 2.7.4 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: dianders@chromium.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, mka@chromium.org, dri-devel@freedesktop.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement the shutdown callback for adreno gpu platform device to safely shutdown it before a system reboot. This helps to avoid futher transactions from gpu after the smmu is moved to bypass mode. Signed-off-by: Akhil P Oommen --- drivers/gpu/drm/msm/adreno/adreno_device.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 58e03b2..87c8b03 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -475,6 +475,11 @@ static int adreno_remove(struct platform_device *pdev) return 0; } +static void adreno_shutdown(struct platform_device *pdev) +{ + pm_runtime_force_suspend(&pdev->dev); +} + static const struct of_device_id dt_match[] = { { .compatible = "qcom,adreno" }, { .compatible = "qcom,adreno-3xx" }, @@ -509,6 +514,7 @@ static const struct dev_pm_ops adreno_pm_ops = { static struct platform_driver adreno_driver = { .probe = adreno_probe, .remove = adreno_remove, + .shutdown = adreno_shutdown, .driver = { .name = "adreno", .of_match_table = dt_match, -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel