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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 09C3EC4363A for ; Tue, 20 Oct 2020 22:05:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9ABDC2225C for ; Tue, 20 Oct 2020 22:05:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="ecOK2nw+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2410305AbgJTWFE (ORCPT ); Tue, 20 Oct 2020 18:05:04 -0400 Received: from m42-4.mailgun.net ([69.72.42.4]:29292 "EHLO m42-4.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406110AbgJTWFE (ORCPT ); Tue, 20 Oct 2020 18:05:04 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1603231503; h=Content-Transfer-Encoding: MIME-Version: Message-Id: Date: Subject: Cc: To: From: Sender; bh=mlPj7fHUpRRtLXqaKr8zfFXtq5AIPkZSJCf6RrMHo5A=; b=ecOK2nw+N8dWC34Z8pb8E5/GU4EAbBollrvcHun/YPRQUzJf/ONTXViqKVRYU5oqXjU3NEBm oUbSccOUhBduxvcLR50VBjilJ6mFdA9NcELT4ZEmQTESMowW6BaZ3AdT9zqKpj7GNUiRyFeA l2s9SlVcaRGA2n6DrPFrl6DYhvs= X-Mailgun-Sending-Ip: 69.72.42.4 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-n07.prod.us-west-2.postgun.com with SMTP id 5f8f5f0f856d9308b5ed6475 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 20 Oct 2020 22:05:02 GMT Sender: khsieh=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C4F9CC433FF; Tue, 20 Oct 2020 22:05:02 +0000 (UTC) Received: from khsieh-linux1.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: khsieh) by smtp.codeaurora.org (Postfix) with ESMTPSA id 001FDC433C9; Tue, 20 Oct 2020 22:05:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 001FDC433C9 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=khsieh@codeaurora.org From: Kuogee Hsieh To: robdclark@gmail.com, sean@poorly.run, swboyd@chromium.org Cc: tanmay@codeaurora.org, abhinavk@codeaurora.org, aravindh@codeaurora.org, khsieh@codeaurora.org, rnayak@codeaurora.org, airlied@linux.ie, daniel@ffwll.ch, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v3] drm/msm/dp: add opp_table corner voting support base on dp_ink_clk rate Date: Tue, 20 Oct 2020 15:04:54 -0700 Message-Id: <20201020220454.23512-1-khsieh@codeaurora.org> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Set link rate by using OPP set rate api so that CX level will be set accordingly based on the link rate. Changes in v2: -- remove dev from dp_ctrl_put() parameters -- Add more information to commit message Changes in v3: -- return when dev_pm_opp_set_clkname() failed Signed-off-by: Kuogee Hsieh --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 28 ++++++++++++++++++ drivers/gpu/drm/msm/dp/dp_display.c | 2 +- drivers/gpu/drm/msm/dp/dp_power.c | 44 ++++++++++++++++++++++++++--- drivers/gpu/drm/msm/dp/dp_power.h | 2 +- 4 files changed, 70 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 76e891c91c6e..f12767793211 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -76,6 +77,8 @@ struct dp_ctrl_private { struct dp_parser *parser; struct dp_catalog *catalog; + struct opp_table *opp_table; + struct completion idle_comp; struct completion video_comp; }; @@ -1833,6 +1836,7 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, struct dp_parser *parser) { struct dp_ctrl_private *ctrl; + int ret; if (!dev || !panel || !aux || !link || !catalog) { @@ -1846,6 +1850,21 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, return ERR_PTR(-ENOMEM); } + ctrl->opp_table = dev_pm_opp_set_clkname(dev, "ctrl_link"); + if (IS_ERR(ctrl->opp_table)) { + dev_err(dev, "invalid DP OPP table in device tree\n"); + /* caller do PTR_ERR(ctrl->opp_table) */ + return (struct dp_ctrl *)ctrl->opp_table; + } + + /* OPP table is optional */ + ret = dev_pm_opp_of_add_table(dev); + if (ret) { + dev_err(dev, "failed to add DP OPP table\n"); + dev_pm_opp_put_clkname(ctrl->opp_table); + ctrl->opp_table = NULL; + } + init_completion(&ctrl->idle_comp); init_completion(&ctrl->video_comp); @@ -1863,4 +1882,13 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, void dp_ctrl_put(struct dp_ctrl *dp_ctrl) { + struct dp_ctrl_private *ctrl; + + ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + + if (ctrl->opp_table) { + dev_pm_opp_of_remove_table(ctrl->dev); + dev_pm_opp_put_clkname(ctrl->opp_table); + ctrl->opp_table = NULL; + } } diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index c0665a0a4c78..f76139dd495a 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -702,7 +702,7 @@ static int dp_init_sub_modules(struct dp_display_private *dp) goto error; } - dp->power = dp_power_get(dp->parser); + dp->power = dp_power_get(dev, dp->parser); if (IS_ERR(dp->power)) { rc = PTR_ERR(dp->power); DRM_ERROR("failed to initialize power, rc = %d\n", rc); diff --git a/drivers/gpu/drm/msm/dp/dp_power.c b/drivers/gpu/drm/msm/dp/dp_power.c index 17c1fc6a2d44..9c4ea00a5f2a 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.c +++ b/drivers/gpu/drm/msm/dp/dp_power.c @@ -8,12 +8,14 @@ #include #include #include +#include #include "dp_power.h" #include "msm_drv.h" struct dp_power_private { struct dp_parser *parser; struct platform_device *pdev; + struct device *dev; struct clk *link_clk_src; struct clk *pixel_provider; struct clk *link_provider; @@ -148,18 +150,51 @@ static int dp_power_clk_deinit(struct dp_power_private *power) return 0; } +static int dp_power_clk_set_link_rate(struct dp_power_private *power, + struct dss_clk *clk_arry, int num_clk, int enable) +{ + u32 rate; + int i, rc = 0; + + for (i = 0; i < num_clk; i++) { + if (clk_arry[i].clk) { + if (clk_arry[i].type == DSS_CLK_PCLK) { + if (enable) + rate = clk_arry[i].rate; + else + rate = 0; + + rc = dev_pm_opp_set_rate(power->dev, rate); + if (rc) + break; + } + + } + } + return rc; +} + static int dp_power_clk_set_rate(struct dp_power_private *power, enum dp_pm_type module, bool enable) { int rc = 0; struct dss_module_power *mp = &power->parser->mp[module]; - if (enable) { - rc = msm_dss_clk_set_rate(mp->clk_config, mp->num_clk); + if (module == DP_CTRL_PM) { + rc = dp_power_clk_set_link_rate(power, mp->clk_config, mp->num_clk, enable); if (rc) { - DRM_ERROR("failed to set clks rate.\n"); + DRM_ERROR("failed to set link clks rate\n"); return rc; } + } else { + + if (enable) { + rc = msm_dss_clk_set_rate(mp->clk_config, mp->num_clk); + if (rc) { + DRM_ERROR("failed to set clks rate\n"); + return rc; + } + } } rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, enable); @@ -349,7 +384,7 @@ int dp_power_deinit(struct dp_power *dp_power) return 0; } -struct dp_power *dp_power_get(struct dp_parser *parser) +struct dp_power *dp_power_get(struct device *dev, struct dp_parser *parser) { struct dp_power_private *power; struct dp_power *dp_power; @@ -365,6 +400,7 @@ struct dp_power *dp_power_get(struct dp_parser *parser) power->parser = parser; power->pdev = parser->pdev; + power->dev = dev; dp_power = &power->dp_power; diff --git a/drivers/gpu/drm/msm/dp/dp_power.h b/drivers/gpu/drm/msm/dp/dp_power.h index 76743d755833..7d0327bbc0d5 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.h +++ b/drivers/gpu/drm/msm/dp/dp_power.h @@ -102,6 +102,6 @@ void dp_power_client_deinit(struct dp_power *power); * methods to be called by the client to configure the power related * modueles. */ -struct dp_power *dp_power_get(struct dp_parser *parser); +struct dp_power *dp_power_get(struct device *dev, struct dp_parser *parser); #endif /* _DP_POWER_H_ */ base-commit: 0855cb4b31953b8c539e57b970da8146bcd4405a prerequisite-patch-id: 6221bf61b4663cab27a511b59735639aa475ee6c -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project 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=-12.5 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,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 3FFE5C561F8 for ; Wed, 21 Oct 2020 07:17:33 +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 D9F8B206DB for ; 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Tue, 20 Oct 2020 22:05:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 001FDC433C9 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=khsieh@codeaurora.org From: Kuogee Hsieh To: robdclark@gmail.com, sean@poorly.run, swboyd@chromium.org Subject: [PATCH v3] drm/msm/dp: add opp_table corner voting support base on dp_ink_clk rate Date: Tue, 20 Oct 2020 15:04:54 -0700 Message-Id: <20201020220454.23512-1-khsieh@codeaurora.org> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 21 Oct 2020 07:16:42 +0000 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: rnayak@codeaurora.org, airlied@linux.ie, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, abhinavk@codeaurora.org, khsieh@codeaurora.org, tanmay@codeaurora.org, aravindh@codeaurora.org, freedreno@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Set link rate by using OPP set rate api so that CX level will be set accordingly based on the link rate. Changes in v2: -- remove dev from dp_ctrl_put() parameters -- Add more information to commit message Changes in v3: -- return when dev_pm_opp_set_clkname() failed Signed-off-by: Kuogee Hsieh --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 28 ++++++++++++++++++ drivers/gpu/drm/msm/dp/dp_display.c | 2 +- drivers/gpu/drm/msm/dp/dp_power.c | 44 ++++++++++++++++++++++++++--- drivers/gpu/drm/msm/dp/dp_power.h | 2 +- 4 files changed, 70 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 76e891c91c6e..f12767793211 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -76,6 +77,8 @@ struct dp_ctrl_private { struct dp_parser *parser; struct dp_catalog *catalog; + struct opp_table *opp_table; + struct completion idle_comp; struct completion video_comp; }; @@ -1833,6 +1836,7 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, struct dp_parser *parser) { struct dp_ctrl_private *ctrl; + int ret; if (!dev || !panel || !aux || !link || !catalog) { @@ -1846,6 +1850,21 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, return ERR_PTR(-ENOMEM); } + ctrl->opp_table = dev_pm_opp_set_clkname(dev, "ctrl_link"); + if (IS_ERR(ctrl->opp_table)) { + dev_err(dev, "invalid DP OPP table in device tree\n"); + /* caller do PTR_ERR(ctrl->opp_table) */ + return (struct dp_ctrl *)ctrl->opp_table; + } + + /* OPP table is optional */ + ret = dev_pm_opp_of_add_table(dev); + if (ret) { + dev_err(dev, "failed to add DP OPP table\n"); + dev_pm_opp_put_clkname(ctrl->opp_table); + ctrl->opp_table = NULL; + } + init_completion(&ctrl->idle_comp); init_completion(&ctrl->video_comp); @@ -1863,4 +1882,13 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, void dp_ctrl_put(struct dp_ctrl *dp_ctrl) { + struct dp_ctrl_private *ctrl; + + ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + + if (ctrl->opp_table) { + dev_pm_opp_of_remove_table(ctrl->dev); + dev_pm_opp_put_clkname(ctrl->opp_table); + ctrl->opp_table = NULL; + } } diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index c0665a0a4c78..f76139dd495a 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -702,7 +702,7 @@ static int dp_init_sub_modules(struct dp_display_private *dp) goto error; } - dp->power = dp_power_get(dp->parser); + dp->power = dp_power_get(dev, dp->parser); if (IS_ERR(dp->power)) { rc = PTR_ERR(dp->power); DRM_ERROR("failed to initialize power, rc = %d\n", rc); diff --git a/drivers/gpu/drm/msm/dp/dp_power.c b/drivers/gpu/drm/msm/dp/dp_power.c index 17c1fc6a2d44..9c4ea00a5f2a 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.c +++ b/drivers/gpu/drm/msm/dp/dp_power.c @@ -8,12 +8,14 @@ #include #include #include +#include #include "dp_power.h" #include "msm_drv.h" struct dp_power_private { struct dp_parser *parser; struct platform_device *pdev; + struct device *dev; struct clk *link_clk_src; struct clk *pixel_provider; struct clk *link_provider; @@ -148,18 +150,51 @@ static int dp_power_clk_deinit(struct dp_power_private *power) return 0; } +static int dp_power_clk_set_link_rate(struct dp_power_private *power, + struct dss_clk *clk_arry, int num_clk, int enable) +{ + u32 rate; + int i, rc = 0; + + for (i = 0; i < num_clk; i++) { + if (clk_arry[i].clk) { + if (clk_arry[i].type == DSS_CLK_PCLK) { + if (enable) + rate = clk_arry[i].rate; + else + rate = 0; + + rc = dev_pm_opp_set_rate(power->dev, rate); + if (rc) + break; + } + + } + } + return rc; +} + static int dp_power_clk_set_rate(struct dp_power_private *power, enum dp_pm_type module, bool enable) { int rc = 0; struct dss_module_power *mp = &power->parser->mp[module]; - if (enable) { - rc = msm_dss_clk_set_rate(mp->clk_config, mp->num_clk); + if (module == DP_CTRL_PM) { + rc = dp_power_clk_set_link_rate(power, mp->clk_config, mp->num_clk, enable); if (rc) { - DRM_ERROR("failed to set clks rate.\n"); + DRM_ERROR("failed to set link clks rate\n"); return rc; } + } else { + + if (enable) { + rc = msm_dss_clk_set_rate(mp->clk_config, mp->num_clk); + if (rc) { + DRM_ERROR("failed to set clks rate\n"); + return rc; + } + } } rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, enable); @@ -349,7 +384,7 @@ int dp_power_deinit(struct dp_power *dp_power) return 0; } -struct dp_power *dp_power_get(struct dp_parser *parser) +struct dp_power *dp_power_get(struct device *dev, struct dp_parser *parser) { struct dp_power_private *power; struct dp_power *dp_power; @@ -365,6 +400,7 @@ struct dp_power *dp_power_get(struct dp_parser *parser) power->parser = parser; power->pdev = parser->pdev; + power->dev = dev; dp_power = &power->dp_power; diff --git a/drivers/gpu/drm/msm/dp/dp_power.h b/drivers/gpu/drm/msm/dp/dp_power.h index 76743d755833..7d0327bbc0d5 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.h +++ b/drivers/gpu/drm/msm/dp/dp_power.h @@ -102,6 +102,6 @@ void dp_power_client_deinit(struct dp_power *power); * methods to be called by the client to configure the power related * modueles. */ -struct dp_power *dp_power_get(struct dp_parser *parser); +struct dp_power *dp_power_get(struct device *dev, struct dp_parser *parser); #endif /* _DP_POWER_H_ */ base-commit: 0855cb4b31953b8c539e57b970da8146bcd4405a prerequisite-patch-id: 6221bf61b4663cab27a511b59735639aa475ee6c -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel