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=-9.6 required=3.0 tests=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 EA507C38A2E for ; Fri, 17 Apr 2020 14:06:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB40F21924 for ; Fri, 17 Apr 2020 14:06:20 +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="VGEguUQ5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731108AbgDQOGU (ORCPT ); Fri, 17 Apr 2020 10:06:20 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:18159 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731042AbgDQOGP (ORCPT ); Fri, 17 Apr 2020 10:06:15 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1587132374; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=JgpwToNdmNH5TckqDtwht+dLh2sp+hER98TGqoDOOno=; b=VGEguUQ54HsvlqyXHkHMGGKw2wmZYPccrqbPaaq4gc0uRy3V0ECTq6oyB0Y8fn3s0i3trIE8 ZIz3nYh/CloPBF6P6nOhzkSD3d+MCcJ1d4U3L3F4IvzabnN5tf0OMXKYv3kmgeWSK9m6XTsy GHk/uL75YsOKVelQTrWAAQIWhmk= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e99b7d6.7f9f3acf4e68-smtp-out-n04; Fri, 17 Apr 2020 14:06:14 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 14063C44792; Fri, 17 Apr 2020 14:06:12 +0000 (UTC) Received: from blr-ubuntu-173.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rnayak) by smtp.codeaurora.org (Postfix) with ESMTPSA id 54CA0C44798; Fri, 17 Apr 2020 14:06:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 54CA0C44798 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=none smtp.mailfrom=rnayak@codeaurora.org From: Rajendra Nayak To: viresh.kumar@linaro.org, sboyd@kernel.org, bjorn.andersson@linaro.org, agross@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mka@chromium.org, Rajendra Nayak , Stanimir Varbanov , linux-media@vger.kernel.org Subject: [PATCH v2 12/17] media: venus: core: Add support for opp tables/perf voting Date: Fri, 17 Apr 2020 19:34:34 +0530 Message-Id: <1587132279-27659-13-git-send-email-rnayak@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1587132279-27659-1-git-send-email-rnayak@codeaurora.org> References: <1587132279-27659-1-git-send-email-rnayak@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support to add OPP tables and perf voting on the OPP powerdomain. This is needed so venus votes on the corresponding performance state for the OPP powerdomain along with setting the core clock rate. Signed-off-by: Rajendra Nayak Cc: Stanimir Varbanov Cc: linux-media@vger.kernel.org --- drivers/media/platform/qcom/venus/core.c | 21 +++++++++++++++ drivers/media/platform/qcom/venus/core.h | 5 ++++ drivers/media/platform/qcom/venus/pm_helpers.c | 37 +++++++++++++++++++++++--- 3 files changed, 59 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 194b10b9..0d1ef88 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -250,6 +251,13 @@ static int venus_probe(struct platform_device *pdev) if (ret) return ret; + core->opp = dev_pm_opp_set_clkname(dev, "core"); + if (IS_ERR(core->opp)) + return PTR_ERR(core->opp); + + if (core->opp_pmdomain && !dev_pm_opp_of_add_table(dev)) + core->opp_table = true; + pm_runtime_enable(dev); ret = pm_runtime_get_sync(dev); @@ -301,6 +309,9 @@ static int venus_probe(struct platform_device *pdev) err_venus_shutdown: venus_shutdown(core); err_runtime_disable: + if (core->opp_pmdomain && core->opp_table) + dev_pm_opp_of_remove_table(dev); + dev_pm_opp_put_clkname(core->opp); pm_runtime_set_suspended(dev); pm_runtime_disable(dev); hfi_destroy(core); @@ -326,6 +337,10 @@ static int venus_remove(struct platform_device *pdev) venus_firmware_deinit(core); + if (core->opp_pmdomain && core->opp_table) + dev_pm_opp_of_remove_table(dev); + dev_pm_opp_put_clkname(core->opp); + pm_runtime_put_sync(dev); pm_runtime_disable(dev); @@ -350,6 +365,10 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev) if (ret) return ret; + /* Drop the performance state vote */ + if (core->opp_pmdomain) + dev_pm_opp_set_rate(dev, 0); + if (pm_ops->core_power) ret = pm_ops->core_power(dev, POWER_OFF); @@ -511,6 +530,7 @@ static const struct venus_resources sdm845_res_v2 = { .vcodec_clks_num = 2, .vcodec_pmdomains = { "venus", "vcodec0", "vcodec1" }, .vcodec_pmdomains_num = 3, + .opp_pmdomain = (const char *[]) { "opp-pd", NULL }, .vcodec_num = 2, .max_load = 3110400, /* 4096x2160@90 */ .hfi_version = HFI_VERSION_4XX, @@ -556,6 +576,7 @@ static const struct venus_resources sc7180_res = { .vcodec_clks_num = 2, .vcodec_pmdomains = { "venus", "vcodec0" }, .vcodec_pmdomains_num = 2, + .opp_pmdomain = (const char *[]) { "opp-pd", NULL }, .vcodec_num = 1, .hfi_version = HFI_VERSION_4XX, .vmem_id = VIDC_RESOURCE_NONE, diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index bd3ac6a..e583ee3 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -62,6 +62,7 @@ struct venus_resources { unsigned int vcodec_clks_num; const char * const vcodec_pmdomains[VIDC_PMDOMAINS_NUM_MAX]; unsigned int vcodec_pmdomains_num; + const char **opp_pmdomain; unsigned int vcodec_num; enum hfi_version hfi_version; u32 max_load; @@ -144,8 +145,12 @@ struct venus_core { struct clk *vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX]; struct icc_path *video_path; struct icc_path *cpucfg_path; + struct opp_table *opp; + bool opp_table; struct device_link *pd_dl_venus; struct device *pmdomains[VIDC_PMDOMAINS_NUM_MAX]; + struct device_link *opp_dl_venus; + struct device *opp_pmdomain; struct video_device *vdev_dec; struct video_device *vdev_enc; struct v4l2_device v4l2_dev; diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index abf9315..b81592f 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -66,10 +67,9 @@ static void core_clks_disable(struct venus_core *core) static int core_clks_set_rate(struct venus_core *core, unsigned long freq) { - struct clk *clk = core->clks[0]; int ret; - ret = clk_set_rate(clk, freq); + ret = dev_pm_opp_set_rate(core->dev, freq); if (ret) return ret; @@ -740,13 +740,15 @@ static int venc_power_v4(struct device *dev, int on) static int vcodec_domains_get(struct device *dev) { + struct opp_table *opp; + struct device **opp_virt_dev; struct venus_core *core = dev_get_drvdata(dev); const struct venus_resources *res = core->res; struct device *pd; unsigned int i; if (!res->vcodec_pmdomains_num) - return -ENODEV; + goto skip_pmdomains; for (i = 0; i < res->vcodec_pmdomains_num; i++) { pd = dev_pm_domain_attach_by_name(dev, @@ -763,6 +765,24 @@ static int vcodec_domains_get(struct device *dev) if (!core->pd_dl_venus) return -ENODEV; +skip_pmdomains: + if (!res->opp_pmdomain) + return 0; + + /* Attach the power domain for setting performance state */ + opp = dev_pm_opp_attach_genpd(dev, res->opp_pmdomain, &opp_virt_dev); + if (IS_ERR(opp)) { + return PTR_ERR(opp); + } else if (opp_virt_dev) { + core->opp_pmdomain = *opp_virt_dev; + core->opp_dl_venus = device_link_add(dev, core->opp_pmdomain, + DL_FLAG_RPM_ACTIVE | + DL_FLAG_PM_RUNTIME | + DL_FLAG_STATELESS); + if (!core->opp_dl_venus) + return -ENODEV; + } + return 0; } @@ -773,7 +793,7 @@ static void vcodec_domains_put(struct device *dev) unsigned int i; if (!res->vcodec_pmdomains_num) - return; + goto skip_pmdomains; if (core->pd_dl_venus) device_link_del(core->pd_dl_venus); @@ -783,6 +803,15 @@ static void vcodec_domains_put(struct device *dev) continue; dev_pm_domain_detach(core->pmdomains[i], true); } + +skip_pmdomains: + if (!res->opp_pmdomain) + return; + + if (core->opp_dl_venus) + device_link_del(core->opp_dl_venus); + + dev_pm_domain_detach(core->opp_pmdomain, true); } static int core_get_v4(struct device *dev) -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation