From patchwork Sat Jun 6 04:25:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sharat Masetty X-Patchwork-Id: 188630 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, URIBL_BLOCKED, 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 E2FDDC433E1 for ; Sat, 6 Jun 2020 04:26:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BBC42207DF for ; Sat, 6 Jun 2020 04:26:22 +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="xepyvnsr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726466AbgFFE0V (ORCPT ); Sat, 6 Jun 2020 00:26:21 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:55641 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726358AbgFFE0U (ORCPT ); Sat, 6 Jun 2020 00:26:20 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1591417579; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=ZPCFFf6bcMj1rJArjTaPaS+HAOchavd1ebOOmbgSpus=; b=xepyvnsrWOEuAU0bkRTRiSccq5wbCf0hZZcPqmpcUeNf1q3Y8uHCNCreCDzB+XW73UMUAEJ8 cK7UJG/5mLW3UgKawhxrCaSmNqDG+to/wyn5UwZoacJxfqkGBvHFGSsMxv97Q1Wemb7VvZ31 PJEdCfV/HE9hmkItLHcgCYILTg4= X-Mailgun-Sending-Ip: 104.130.122.27 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 5edb1aeb8c9c416a8234847c (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sat, 06 Jun 2020 04:26:19 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id AE1C4C433C6; Sat, 6 Jun 2020 04:26:18 +0000 (UTC) Received: from hyd-lnxbld559.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: smasetty) by smtp.codeaurora.org (Postfix) with ESMTPSA id 81465C433CA; Sat, 6 Jun 2020 04:26:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 81465C433CA 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=smasetty@codeaurora.org From: Sharat Masetty To: freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: dri-devel@freedesktop.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jcrouse@codeaurora.org, mka@chromium.org, sibis@codeaurora.org, saravanak@google.com, viresh.kumar@linaro.org, robdclark@gmail.com, Sharat Masetty Subject: [PATCH v3 3/6] drm: msm: a6xx: use dev_pm_opp_set_bw to scale DDR Date: Sat, 6 Jun 2020 09:55:48 +0530 Message-Id: <1591417551-38051-4-git-send-email-smasetty@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591417551-38051-1-git-send-email-smasetty@codeaurora.org> References: <1591417551-38051-1-git-send-email-smasetty@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patches replaces the previously used static DDR vote and uses dev_pm_opp_set_bw() to scale GPU->DDR bandwidth along with scaling GPU frequency. Also since the icc path voting is handled completely in the opp driver, remove the icc_path handle and its usage in the drm driver. Signed-off-by: Sharat Masetty --- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 23 ++++++++++++++++------- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 8 -------- drivers/gpu/drm/msm/msm_gpu.h | 2 -- 3 files changed, 16 insertions(+), 17 deletions(-) -- 2.7.4 diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 2d8124b..1dd8fc5 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -141,11 +141,7 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp) gmu->freq = gmu->gpu_freqs[perf_index]; - /* - * Eventually we will want to scale the path vote with the frequency but - * for now leave it at max so that the performance is nominal. - */ - icc_set_bw(gpu->icc_path, 0, MBps_to_icc(7216)); + dev_pm_opp_set_bw(&gpu->pdev->dev, opp); } unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu) @@ -715,6 +711,19 @@ static void a6xx_gmu_set_initial_freq(struct msm_gpu *gpu, struct a6xx_gmu *gmu) dev_pm_opp_put(gpu_opp); } +static void a6xx_gmu_set_initial_bw(struct msm_gpu *gpu, struct a6xx_gmu *gmu) +{ + struct dev_pm_opp *gpu_opp; + unsigned long gpu_freq = gmu->gpu_freqs[gmu->current_perf_index]; + + gpu_opp = dev_pm_opp_find_freq_exact(&gpu->pdev->dev, gpu_freq, true); + if (IS_ERR_OR_NULL(gpu_opp)) + return; + + dev_pm_opp_set_bw(&gpu->pdev->dev, gpu_opp); + dev_pm_opp_put(gpu_opp); +} + int a6xx_gmu_resume(struct a6xx_gpu *a6xx_gpu) { struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; @@ -739,7 +748,7 @@ int a6xx_gmu_resume(struct a6xx_gpu *a6xx_gpu) } /* Set the bus quota to a reasonable value for boot */ - icc_set_bw(gpu->icc_path, 0, MBps_to_icc(3072)); + a6xx_gmu_set_initial_bw(gpu, gmu); /* Enable the GMU interrupt */ gmu_write(gmu, REG_A6XX_GMU_AO_HOST_INTERRUPT_CLR, ~0); @@ -907,7 +916,7 @@ int a6xx_gmu_stop(struct a6xx_gpu *a6xx_gpu) a6xx_gmu_shutdown(gmu); /* Remove the bus vote */ - icc_set_bw(gpu->icc_path, 0, 0); + dev_pm_opp_set_bw(&gpu->pdev->dev, NULL); /* * Make sure the GX domain is off before turning off the GMU (CX) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 2d13694..718c705 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -913,11 +913,6 @@ static int adreno_get_pwrlevels(struct device *dev, DBG("fast_rate=%u, slow_rate=27000000", gpu->fast_rate); - /* Check for an interconnect path for the bus */ - gpu->icc_path = of_icc_get(dev, NULL); - if (IS_ERR(gpu->icc_path)) - gpu->icc_path = NULL; - return 0; } @@ -958,13 +953,10 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) { - struct msm_gpu *gpu = &adreno_gpu->base; unsigned int i; for (i = 0; i < ARRAY_SIZE(adreno_gpu->info->fw); i++) release_firmware(adreno_gpu->fw[i]); - icc_put(gpu->icc_path); - msm_gpu_cleanup(&adreno_gpu->base); } diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index cf0dc6d..c7d74a9 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -112,8 +112,6 @@ struct msm_gpu { struct clk *ebi1_clk, *core_clk, *rbbmtimer_clk; uint32_t fast_rate; - struct icc_path *icc_path; - /* Hang and Inactivity Detection: */ #define DRM_MSM_INACTIVE_PERIOD 66 /* in ms (roughly four frames) */ From patchwork Sat Jun 6 04:25:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sharat Masetty X-Patchwork-Id: 188629 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,URIBL_BLOCKED,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 A8FCDC433DF for ; Sat, 6 Jun 2020 04:26:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80C38207DF for ; Sat, 6 Jun 2020 04:26:28 +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="VZ/x3ian" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726880AbgFFE01 (ORCPT ); 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Sat, 06 Jun 2020 04:26:25 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 154D7C433B7; Sat, 6 Jun 2020 04:26:23 +0000 (UTC) Received: from hyd-lnxbld559.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: smasetty) by smtp.codeaurora.org (Postfix) with ESMTPSA id DDB9BC4339C; Sat, 6 Jun 2020 04:26:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DDB9BC4339C 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=smasetty@codeaurora.org From: Sharat Masetty To: freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: dri-devel@freedesktop.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jcrouse@codeaurora.org, mka@chromium.org, sibis@codeaurora.org, saravanak@google.com, viresh.kumar@linaro.org, robdclark@gmail.com, Sharat Masetty Subject: [PATCH v3 4/6] arm64: dts: qcom: SDM845: Enable GPU DDR bw scaling Date: Sat, 6 Jun 2020 09:55:49 +0530 Message-Id: <1591417551-38051-5-git-send-email-smasetty@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591417551-38051-1-git-send-email-smasetty@codeaurora.org> References: <1591417551-38051-1-git-send-email-smasetty@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds the interconnects property for the gpu node and the opp-peak-kBps property to the opps of the gpu opp table. This should help enable DDR bandwidth scaling dynamically and proportionally to the GPU frequency. Signed-off-by: Sharat Masetty --- arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) -- 2.7.4 diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 11fc3f24..6ea6f54 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -3240,6 +3240,8 @@ qcom,gmu = <&gmu>; + interconnects = <&mem_noc MASTER_GFX3D &mem_noc SLAVE_EBI1>; + zap_shader: zap-shader { memory-region = <&gpu_mem>; }; @@ -3250,36 +3252,43 @@ opp-710000000 { opp-hz = /bits/ 64 <710000000>; opp-level = ; + opp-peak-kBps = <7216000>; }; opp-675000000 { opp-hz = /bits/ 64 <675000000>; opp-level = ; + opp-peak-kBps = <7216000>; }; opp-596000000 { opp-hz = /bits/ 64 <596000000>; opp-level = ; + opp-peak-kBps = <6220000>; }; opp-520000000 { opp-hz = /bits/ 64 <520000000>; opp-level = ; + opp-peak-kBps = <6220000>; }; opp-414000000 { opp-hz = /bits/ 64 <414000000>; opp-level = ; + opp-peak-kBps = <4068000>; }; opp-342000000 { opp-hz = /bits/ 64 <342000000>; opp-level = ; + opp-peak-kBps = <2724000>; }; opp-257000000 { opp-hz = /bits/ 64 <257000000>; opp-level = ; + opp-peak-kBps = <1648000>; }; }; }; From patchwork Sat Jun 6 04:25:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sharat Masetty X-Patchwork-Id: 188628 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,URIBL_BLOCKED,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 0B430C433E0 for ; Sat, 6 Jun 2020 04:26:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DAB9A206DC for ; Sat, 6 Jun 2020 04:26:55 +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="gqQMTSX6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728566AbgFFE0z (ORCPT ); Sat, 6 Jun 2020 00:26:55 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:55641 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728549AbgFFE0z (ORCPT ); Sat, 6 Jun 2020 00:26:55 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1591417614; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=3Tbq314xTu2mZgk8XZHCKH3g0sEpANHcL/rn9MNYhE0=; b=gqQMTSX6TtTZVjnHErw2jfxaGjGrOvYIKTVsE/PdHc6I9vu3iQzrs5RrDRa5128NTldbaINt NIcM3DnOMYr6gZimpSStCaTJzVO9vM80e4Y0RHUkcEhMJTcFjFXLq820w8MvBB5GXLc48jZ2 Xh0Cmuvj8azuZ6GDgFzS6BuX3oM= X-Mailgun-Sending-Ip: 104.130.122.27 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-n01.prod.us-east-1.postgun.com with SMTP id 5edb1afc583b2d42d5f18334 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sat, 06 Jun 2020 04:26:36 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 25785C433B2; Sat, 6 Jun 2020 04:26:33 +0000 (UTC) Received: from hyd-lnxbld559.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: smasetty) by smtp.codeaurora.org (Postfix) with ESMTPSA id 11E84C433C6; Sat, 6 Jun 2020 04:26:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 11E84C433C6 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=smasetty@codeaurora.org From: Sharat Masetty To: freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: dri-devel@freedesktop.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jcrouse@codeaurora.org, mka@chromium.org, sibis@codeaurora.org, saravanak@google.com, viresh.kumar@linaro.org, robdclark@gmail.com, Sharat Masetty Subject: [PATCH v3 6/6] arm64: dts: qcom: sc7180: Add opp-peak-kBps to GPU opp Date: Sat, 6 Jun 2020 09:55:51 +0530 Message-Id: <1591417551-38051-7-git-send-email-smasetty@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591417551-38051-1-git-send-email-smasetty@codeaurora.org> References: <1591417551-38051-1-git-send-email-smasetty@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add opp-peak-kBps bindings to the GPU opp table, listing the peak GPU -> DDR bandwidth requirement for each opp level. This will be used to scale the DDR bandwidth along with the GPU frequency dynamically. Signed-off-by: Sharat Masetty Reviewed-by: Matthias Kaehlcke --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) -- 2.7.4 diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 34004ad..7bef42b 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -1505,36 +1505,43 @@ opp-800000000 { opp-hz = /bits/ 64 <800000000>; opp-level = ; + opp-peak-kBps = <8532000>; }; opp-650000000 { opp-hz = /bits/ 64 <650000000>; opp-level = ; + opp-peak-kBps = <7216000>; }; opp-565000000 { opp-hz = /bits/ 64 <565000000>; opp-level = ; + opp-peak-kBps = <5412000>; }; opp-430000000 { opp-hz = /bits/ 64 <430000000>; opp-level = ; + opp-peak-kBps = <5412000>; }; opp-355000000 { opp-hz = /bits/ 64 <355000000>; opp-level = ; + opp-peak-kBps = <3072000>; }; opp-267000000 { opp-hz = /bits/ 64 <267000000>; opp-level = ; + opp-peak-kBps = <3072000>; }; opp-180000000 { opp-hz = /bits/ 64 <180000000>; opp-level = ; + opp-peak-kBps = <1804000>; }; }; };