From patchwork Mon Oct 25 22:40:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12583169 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F4BFC433EF for ; Mon, 25 Oct 2021 22:46:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6614B61073 for ; Mon, 25 Oct 2021 22:46:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234703AbhJYWsy (ORCPT ); Mon, 25 Oct 2021 18:48:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234711AbhJYWsZ (ORCPT ); Mon, 25 Oct 2021 18:48:25 -0400 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7ACEC061348; Mon, 25 Oct 2021 15:46:01 -0700 (PDT) Received: by mail-lf1-x12c.google.com with SMTP id u11so7038641lfs.1; Mon, 25 Oct 2021 15:46:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5kVn44UJl6fsxwvVMnWN4rWlwALC4wEkQ8Ltx5Ru85I=; b=bEH2cGpchvDPwkMd9z0LQIcOmk/u440rjJmMCVazujsoPMTB5FQaOYLbejY2sEP9Gx T878kU7T8oIW6d/dHdQfHyNVcW+oMMbcJYsT/VitwqzWZr1NREBLGiqUl0GYqbgHjPtw g1mR2hYLaRScSlzZuq3XBoK45Xa8ByejW+Cva5qJRQZDW9UwMZqBMzjQ2lxIFZg2q4M9 Fw6CHUlM/V57XsTOsufGVchiFI80I1KoIl0Gy5iUx5KJzo9YRHEbVn78j57mKV2ZUIuj 02dJLQFrBSQokLUL8BOan0yJIsr8oMhTYIk5yHnsv61clvQXVEvQ9X5CyhMV4ugJKLN8 bF6A== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=5kVn44UJl6fsxwvVMnWN4rWlwALC4wEkQ8Ltx5Ru85I=; b=zY4+1ImeBCKiubqNWyRrTr0cLWLjJrfXo4KhVBm/TjN+joIf/CYickrgxJ3NU0a3am 5S0Lo2bi4Zei5IEQI3DbVTWqMs0I3RIoerfzRpcCzYIEflSe+XcO3vvxsO5wkTEr0Rwp VAi3Elf281uIqr8PWYNEfnyaR750OBPoPEhE1W0JL97O247/oqY64MQOQlztp6HzUptg P8TViRrWE+VUZ7aAtZ7nnG1Jl/rmaZt//sjA+08sw3etSuAKBP/Uo8bWdaTpdTVWPGue +4SuYv1JWMrNaqqff5CSRLz7zBCy7763qpgmehmM3jA9leLRc2PXNPKuzdx8MP8CKVwg Wqjg== X-Gm-Message-State: AOAM533RThNT/79AXSyuZzhflT/n5WJxwIDxzNqSQZDCvnIXz3tfc4+v P5ngmx/fS+aXJPFeBxq8Hbk= X-Google-Smtp-Source: ABdhPJyFH33zgAFRFRVBFFB9Y/6hkGd0ZRgecxsZqpM+QDY3ZTYFAnvBykhg3Eh7aWgyJB9OIJDR9Q== X-Received: by 2002:ac2:4c88:: with SMTP id d8mr11635926lfl.531.1635201960189; Mon, 25 Oct 2021 15:46:00 -0700 (PDT) Received: from localhost.localdomain (46-138-41-28.dynamic.spd-mgts.ru. [46.138.41.28]) by smtp.gmail.com with ESMTPSA id t20sm2040956lft.240.2021.10.25.15.45.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Oct 2021 15:45:59 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Ulf Hansson , Viresh Kumar , Stephen Boyd , Peter De Schrijver , Mikko Perttunen , Lee Jones , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Nishanth Menon , Adrian Hunter , Michael Turquette Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-pwm@vger.kernel.org, linux-mmc@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, David Heidelberg Subject: [PATCH v14 15/39] drm/tegra: nvdec: Stop channel on suspend Date: Tue, 26 Oct 2021 01:40:08 +0300 Message-Id: <20211025224032.21012-16-digetx@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211025224032.21012-1-digetx@gmail.com> References: <20211025224032.21012-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org CDMA must be stopped before hardware is suspended. Add channel stopping to RPM suspend callback. Add system level suspend-resume callbacks. Runtime PM initialization is moved to host1x client init phase because RPM callback now uses host1x channel that is available only when host1x client is registered. Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/tegra/nvdec.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/tegra/nvdec.c b/drivers/gpu/drm/tegra/nvdec.c index 48c90e26e90a..0f1146be9d6d 100644 --- a/drivers/gpu/drm/tegra/nvdec.c +++ b/drivers/gpu/drm/tegra/nvdec.c @@ -112,9 +112,13 @@ static int nvdec_init(struct host1x_client *client) goto free_channel; } + pm_runtime_enable(client->dev); + pm_runtime_use_autosuspend(client->dev); + pm_runtime_set_autosuspend_delay(client->dev, 500); + err = tegra_drm_register_client(tegra, drm); if (err < 0) - goto free_syncpt; + goto disable_rpm; /* * Inherit the DMA parameters (such as maximum segment size) from the @@ -124,7 +128,10 @@ static int nvdec_init(struct host1x_client *client) return 0; -free_syncpt: +disable_rpm: + pm_runtime_dont_use_autosuspend(client->dev); + pm_runtime_force_suspend(client->dev); + host1x_syncpt_put(client->syncpts[0]); free_channel: host1x_channel_put(nvdec->channel); @@ -149,10 +156,15 @@ static int nvdec_exit(struct host1x_client *client) if (err < 0) return err; + pm_runtime_dont_use_autosuspend(client->dev); + pm_runtime_force_suspend(client->dev); + host1x_syncpt_put(client->syncpts[0]); host1x_channel_put(nvdec->channel); host1x_client_iommu_detach(client); + nvdec->channel = NULL; + if (client->group) { dma_unmap_single(nvdec->dev, nvdec->falcon.firmware.phys, nvdec->falcon.firmware.size, DMA_TO_DEVICE); @@ -267,6 +279,8 @@ static int nvdec_runtime_suspend(struct device *dev) { struct nvdec *nvdec = dev_get_drvdata(dev); + host1x_channel_stop(nvdec->channel); + clk_disable_unprepare(nvdec->clk); return 0; @@ -411,10 +425,6 @@ static int nvdec_probe(struct platform_device *pdev) goto exit_falcon; } - pm_runtime_enable(&pdev->dev); - pm_runtime_set_autosuspend_delay(&pdev->dev, 500); - pm_runtime_use_autosuspend(&pdev->dev); - return 0; exit_falcon: @@ -435,11 +445,6 @@ static int nvdec_remove(struct platform_device *pdev) return err; } - if (pm_runtime_enabled(&pdev->dev)) - pm_runtime_disable(&pdev->dev); - else - nvdec_runtime_suspend(&pdev->dev); - falcon_exit(&nvdec->falcon); return 0; @@ -447,6 +452,8 @@ static int nvdec_remove(struct platform_device *pdev) static const struct dev_pm_ops nvdec_pm_ops = { SET_RUNTIME_PM_OPS(nvdec_runtime_suspend, nvdec_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) }; struct platform_driver tegra_nvdec_driver = {