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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 80453C47082 for ; Tue, 8 Jun 2021 19:32:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64D5A61001 for ; Tue, 8 Jun 2021 19:32:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236858AbhFHTd5 (ORCPT ); Tue, 8 Jun 2021 15:33:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:39614 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234937AbhFHTSH (ORCPT ); Tue, 8 Jun 2021 15:18:07 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9ED4061008; Tue, 8 Jun 2021 18:51:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623178298; bh=hrH1UYWgintD9PniZEsSUHztFkRf0BNUyjjvpSaw0mI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h0+JdNuQhL2ycm70gIdQerlmNsAt0C9qihC/FT4ixVYKccGRIkrGzwlGJWRKqjcmc yUZyBGh1e2lpSUn2rqhIVQKIJNP898rhSEhHWb0AX3KSfrD3DhZ4q0468UGq+Ujllx BvtSYXCapi5KO5nmS/TRaLXJQafIVNCAODrtkzwo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmitry Baryshkov , Rob Clark , Amit Pundir Subject: [PATCH 5.12 149/161] drm/msm/dpu: always use mdp device to scale bandwidth Date: Tue, 8 Jun 2021 20:27:59 +0200 Message-Id: <20210608175950.479055541@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210608175945.476074951@linuxfoundation.org> References: <20210608175945.476074951@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dmitry Baryshkov commit a670ff578f1fb855fedc7931fa5bbc06b567af22 upstream. Currently DPU driver scales bandwidth and core clock for sc7180 only, while the rest of chips get static bandwidth votes. Make all chipsets scale bandwidth and clock per composition requirements like sc7180 does. Drop old voting path completely. Tested on RB3 (SDM845) and RB5 (SM8250). Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20210401020533.3956787-2-dmitry.baryshkov@linaro.org Signed-off-by: Rob Clark Signed-off-by: Amit Pundir Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 3 - drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 51 ------------------------------- 2 files changed, 2 insertions(+), 52 deletions(-) --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -933,8 +933,7 @@ static int dpu_kms_hw_init(struct msm_km DPU_DEBUG("REG_DMA is not defined"); } - if (of_device_is_compatible(dev->dev->of_node, "qcom,sc7180-mdss")) - dpu_kms_parse_data_bus_icc_path(dpu_kms); + dpu_kms_parse_data_bus_icc_path(dpu_kms); pm_runtime_get_sync(&dpu_kms->pdev->dev); --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c @@ -31,40 +31,8 @@ struct dpu_mdss { void __iomem *mmio; struct dss_module_power mp; struct dpu_irq_controller irq_controller; - struct icc_path *path[2]; - u32 num_paths; }; -static int dpu_mdss_parse_data_bus_icc_path(struct drm_device *dev, - struct dpu_mdss *dpu_mdss) -{ - struct icc_path *path0 = of_icc_get(dev->dev, "mdp0-mem"); - struct icc_path *path1 = of_icc_get(dev->dev, "mdp1-mem"); - - if (IS_ERR_OR_NULL(path0)) - return PTR_ERR_OR_ZERO(path0); - - dpu_mdss->path[0] = path0; - dpu_mdss->num_paths = 1; - - if (!IS_ERR_OR_NULL(path1)) { - dpu_mdss->path[1] = path1; - dpu_mdss->num_paths++; - } - - return 0; -} - -static void dpu_mdss_icc_request_bw(struct msm_mdss *mdss) -{ - struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); - int i; - u64 avg_bw = dpu_mdss->num_paths ? MAX_BW / dpu_mdss->num_paths : 0; - - for (i = 0; i < dpu_mdss->num_paths; i++) - icc_set_bw(dpu_mdss->path[i], avg_bw, kBps_to_icc(MAX_BW)); -} - static void dpu_mdss_irq(struct irq_desc *desc) { struct dpu_mdss *dpu_mdss = irq_desc_get_handler_data(desc); @@ -178,8 +146,6 @@ static int dpu_mdss_enable(struct msm_md struct dss_module_power *mp = &dpu_mdss->mp; int ret; - dpu_mdss_icc_request_bw(mdss); - ret = msm_dss_enable_clk(mp->clk_config, mp->num_clk, true); if (ret) { DPU_ERROR("clock enable failed, ret:%d\n", ret); @@ -213,15 +179,12 @@ static int dpu_mdss_disable(struct msm_m { struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); struct dss_module_power *mp = &dpu_mdss->mp; - int ret, i; + int ret; ret = msm_dss_enable_clk(mp->clk_config, mp->num_clk, false); if (ret) DPU_ERROR("clock disable failed, ret:%d\n", ret); - for (i = 0; i < dpu_mdss->num_paths; i++) - icc_set_bw(dpu_mdss->path[i], 0, 0); - return ret; } @@ -232,7 +195,6 @@ static void dpu_mdss_destroy(struct drm_ struct dpu_mdss *dpu_mdss = to_dpu_mdss(priv->mdss); struct dss_module_power *mp = &dpu_mdss->mp; int irq; - int i; pm_runtime_suspend(dev->dev); pm_runtime_disable(dev->dev); @@ -242,9 +204,6 @@ static void dpu_mdss_destroy(struct drm_ msm_dss_put_clk(mp->clk_config, mp->num_clk); devm_kfree(&pdev->dev, mp->clk_config); - for (i = 0; i < dpu_mdss->num_paths; i++) - icc_put(dpu_mdss->path[i]); - if (dpu_mdss->mmio) devm_iounmap(&pdev->dev, dpu_mdss->mmio); dpu_mdss->mmio = NULL; @@ -276,12 +235,6 @@ int dpu_mdss_init(struct drm_device *dev DRM_DEBUG("mapped mdss address space @%pK\n", dpu_mdss->mmio); - if (!of_device_is_compatible(dev->dev->of_node, "qcom,sc7180-mdss")) { - ret = dpu_mdss_parse_data_bus_icc_path(dev, dpu_mdss); - if (ret) - return ret; - } - mp = &dpu_mdss->mp; ret = msm_dss_parse_clock(pdev, mp); if (ret) { @@ -307,8 +260,6 @@ int dpu_mdss_init(struct drm_device *dev pm_runtime_enable(dev->dev); - dpu_mdss_icc_request_bw(priv->mdss); - return ret; irq_error: