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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94C5EC433EF for ; Wed, 23 Mar 2022 09:25:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238860AbiCWJ1O (ORCPT ); Wed, 23 Mar 2022 05:27:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229765AbiCWJ1N (ORCPT ); Wed, 23 Mar 2022 05:27:13 -0400 Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE3091B7B4 for ; Wed, 23 Mar 2022 02:25:43 -0700 (PDT) Received: by mail-lf1-x131.google.com with SMTP id m3so1626719lfj.11 for ; Wed, 23 Mar 2022 02:25:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=BmN4oUIFF4tcQStXue2kSV9T1ZrTPYem6VV+SuzAPhY=; b=cTOxL0zN+UQk1J7kPV+CkF+tu2GopRpuh4PQXVqmUMdfRH8ofFvWY86iPv6UuCsdMs S3TOgVddoDe35Wa5+fr8WYSFQO6mjKI6jVZyQdMEWJsSXaJ8crwhWZOugmwEegEjeMMj U8kfizlVkTWl4gdd1nvsWEmOziOp0nfGjLOATDUo5eoQ/r0jPy/fl9P09d4RLRXFugIy SJcK8l87WXISLlyKDyrRjQypYXtmoMvqyxR/n5YJlMwkqgMwj7SwchPlQOaRENSliQOa 8jPdkV823aY3VhCENR1ZfETJwCi8LFcCYCsXB7PCQC/kqZC5u5g3ZNJrQ9psOIoL1vvO G2AA== 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=BmN4oUIFF4tcQStXue2kSV9T1ZrTPYem6VV+SuzAPhY=; b=nIO+/NtwRu5e4wsPFwpsseSUKhvG6y+lxnBslHphFYbi3ZyOJS6YH2dGBesQOEnWdD VPRxRzbsCgjzmKYYU4a2OVX/tYaZ3UZiAmM56iAlK9wRHS8ZMd9+olb/wSCf3H5prQzO CG6vxshJfE1FbEOCDZ8yGz0UaIPlZO+SQQsnEW4nPS84Iw33Q9URgT93Xoe3c59sB3yw 4Mbtqwvf9qMddyi3tDncw7uU5VYTM5L/sey7McyVz/CE9G5FjoXYKvCFukx3unB+As3w n1yoCZjdeyb9f/s1UXIMF4gUfXulz/EaTJY+7FupgslqrCWy3u1QOxbDkRb276QsAKCO 3yXA== X-Gm-Message-State: AOAM530n3/SGZ38kUfy4uEkTUUKYU8iybGC5C0ODXvLbz0nmJbtoENgg Zzi31WcaMREZb299amKldqOG+Q== X-Google-Smtp-Source: ABdhPJwiZ8n/VqBExq1lNwuyaJES7wi4pUnpTZ7ggc/2SKwFiCTIve9lsjC0rAc9/6d4UJSIMjWExw== X-Received: by 2002:a05:6512:c23:b0:44a:2c00:1a08 with SMTP id z35-20020a0565120c2300b0044a2c001a08mr10120546lfu.468.1648027541981; Wed, 23 Mar 2022 02:25:41 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id br12-20020a056512400c00b0044a2c454ebcsm986026lfb.27.2022.03.23.02.25.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Mar 2022 02:25:41 -0700 (PDT) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH v3 2/6] drm/msm: remove extra indirection for msm_mdss Date: Wed, 23 Mar 2022 12:25:34 +0300 Message-Id: <20220323092538.1757880-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220323092538.1757880-1-dmitry.baryshkov@linaro.org> References: <20220323092538.1757880-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Since now there is just one mdss subdriver, drop all the indirection, make msm_mdss struct completely opaque (and defined inside msm_mdss.c) and call mdss functions directly. Reviewed-by: Abhinav Kumar Reviewed-by: Stephen Boyd Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/msm_drv.c | 29 +++---- drivers/gpu/drm/msm/msm_kms.h | 16 ++-- drivers/gpu/drm/msm/msm_mdss.c | 136 +++++++++++++++------------------ 3 files changed, 81 insertions(+), 100 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index a924fa46da9b..d3cce39c13bf 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -977,8 +977,8 @@ static int __maybe_unused msm_runtime_suspend(struct device *dev) DBG(""); - if (mdss && mdss->funcs) - return mdss->funcs->disable(mdss); + if (mdss) + return msm_mdss_disable(mdss); return 0; } @@ -990,8 +990,8 @@ static int __maybe_unused msm_runtime_resume(struct device *dev) DBG(""); - if (mdss && mdss->funcs) - return mdss->funcs->enable(mdss); + if (mdss) + return msm_mdss_enable(mdss); return 0; } @@ -1226,6 +1226,7 @@ static const struct component_master_ops msm_drm_ops = { static int msm_pdev_probe(struct platform_device *pdev) { struct component_match *match = NULL; + struct msm_mdss *mdss; struct msm_drm_private *priv; int ret; @@ -1237,20 +1238,22 @@ static int msm_pdev_probe(struct platform_device *pdev) switch (get_mdp_ver(pdev)) { case KMS_MDP5: - ret = msm_mdss_init(pdev, true); + mdss = msm_mdss_init(pdev, true); break; case KMS_DPU: - ret = msm_mdss_init(pdev, false); + mdss = msm_mdss_init(pdev, false); break; default: - ret = 0; + mdss = NULL; break; } - if (ret) { - platform_set_drvdata(pdev, NULL); + if (IS_ERR(mdss)) { + ret = PTR_ERR(mdss); return ret; } + priv->mdss = mdss; + if (get_mdp_ver(pdev)) { ret = add_display_components(pdev, &match); if (ret) @@ -1277,8 +1280,8 @@ static int msm_pdev_probe(struct platform_device *pdev) fail: of_platform_depopulate(&pdev->dev); - if (priv->mdss && priv->mdss->funcs) - priv->mdss->funcs->destroy(priv->mdss); + if (priv->mdss) + msm_mdss_destroy(priv->mdss); return ret; } @@ -1291,8 +1294,8 @@ static int msm_pdev_remove(struct platform_device *pdev) component_master_del(&pdev->dev, &msm_drm_ops); of_platform_depopulate(&pdev->dev); - if (mdss && mdss->funcs) - mdss->funcs->destroy(mdss); + if (mdss) + msm_mdss_destroy(mdss); return 0; } diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 10d5ae3e76df..09c219988884 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -201,18 +201,12 @@ struct msm_kms *dpu_kms_init(struct drm_device *dev); extern const struct of_device_id dpu_dt_match[]; extern const struct of_device_id mdp5_dt_match[]; -struct msm_mdss_funcs { - int (*enable)(struct msm_mdss *mdss); - int (*disable)(struct msm_mdss *mdss); - void (*destroy)(struct msm_mdss *mdss); -}; - -struct msm_mdss { - struct device *dev; - const struct msm_mdss_funcs *funcs; -}; +struct msm_mdss; -int msm_mdss_init(struct platform_device *pdev, bool is_mdp5); +struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5); +int msm_mdss_enable(struct msm_mdss *mdss); +int msm_mdss_disable(struct msm_mdss *mdss); +void msm_mdss_destroy(struct msm_mdss *mdss); #define for_each_crtc_mask(dev, crtc, crtc_mask) \ drm_for_each_crtc(crtc, dev) \ diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c index 71f3277bde32..62007a4f29a2 100644 --- a/drivers/gpu/drm/msm/msm_mdss.c +++ b/drivers/gpu/drm/msm/msm_mdss.c @@ -3,19 +3,16 @@ * Copyright (c) 2018, The Linux Foundation */ +#include #include #include #include #include - -#include "msm_drv.h" -#include "msm_kms.h" +#include /* for DPU_HW_* defines */ #include "disp/dpu1/dpu_hw_catalog.h" -#define to_dpu_mdss(x) container_of(x, struct dpu_mdss, base) - #define HW_REV 0x0 #define HW_INTR_STATUS 0x0010 @@ -23,8 +20,9 @@ #define UBWC_CTRL_2 0x150 #define UBWC_PREDICTION_MODE 0x154 -struct dpu_mdss { - struct msm_mdss base; +struct msm_mdss { + struct device *dev; + void __iomem *mmio; struct clk_bulk_data *clocks; size_t num_clocks; @@ -36,22 +34,22 @@ struct dpu_mdss { static void msm_mdss_irq(struct irq_desc *desc) { - struct dpu_mdss *dpu_mdss = irq_desc_get_handler_data(desc); + struct msm_mdss *msm_mdss = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); u32 interrupts; chained_irq_enter(chip, desc); - interrupts = readl_relaxed(dpu_mdss->mmio + HW_INTR_STATUS); + interrupts = readl_relaxed(msm_mdss->mmio + HW_INTR_STATUS); while (interrupts) { irq_hw_number_t hwirq = fls(interrupts) - 1; int rc; - rc = generic_handle_domain_irq(dpu_mdss->irq_controller.domain, + rc = generic_handle_domain_irq(msm_mdss->irq_controller.domain, hwirq); if (rc < 0) { - DRM_ERROR("handle irq fail: irq=%lu rc=%d\n", + dev_err(msm_mdss->dev, "handle irq fail: irq=%lu rc=%d\n", hwirq, rc); break; } @@ -64,28 +62,28 @@ static void msm_mdss_irq(struct irq_desc *desc) static void msm_mdss_irq_mask(struct irq_data *irqd) { - struct dpu_mdss *dpu_mdss = irq_data_get_irq_chip_data(irqd); + struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd); /* memory barrier */ smp_mb__before_atomic(); - clear_bit(irqd->hwirq, &dpu_mdss->irq_controller.enabled_mask); + clear_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask); /* memory barrier */ smp_mb__after_atomic(); } static void msm_mdss_irq_unmask(struct irq_data *irqd) { - struct dpu_mdss *dpu_mdss = irq_data_get_irq_chip_data(irqd); + struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd); /* memory barrier */ smp_mb__before_atomic(); - set_bit(irqd->hwirq, &dpu_mdss->irq_controller.enabled_mask); + set_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask); /* memory barrier */ smp_mb__after_atomic(); } static struct irq_chip msm_mdss_irq_chip = { - .name = "dpu_mdss", + .name = "msm_mdss", .irq_mask = msm_mdss_irq_mask, .irq_unmask = msm_mdss_irq_unmask, }; @@ -95,12 +93,12 @@ static struct lock_class_key msm_mdss_lock_key, msm_mdss_request_key; static int msm_mdss_irqdomain_map(struct irq_domain *domain, unsigned int irq, irq_hw_number_t hwirq) { - struct dpu_mdss *dpu_mdss = domain->host_data; + struct msm_mdss *msm_mdss = domain->host_data; irq_set_lockdep_class(irq, &msm_mdss_lock_key, &msm_mdss_request_key); irq_set_chip_and_handler(irq, &msm_mdss_irq_chip, handle_level_irq); - return irq_set_chip_data(irq, dpu_mdss); + return irq_set_chip_data(irq, msm_mdss); } static const struct irq_domain_ops msm_mdss_irqdomain_ops = { @@ -108,34 +106,33 @@ static const struct irq_domain_ops msm_mdss_irqdomain_ops = { .xlate = irq_domain_xlate_onecell, }; -static int _msm_mdss_irq_domain_add(struct dpu_mdss *dpu_mdss) +static int _msm_mdss_irq_domain_add(struct msm_mdss *msm_mdss) { struct device *dev; struct irq_domain *domain; - dev = dpu_mdss->base.dev; + dev = msm_mdss->dev; domain = irq_domain_add_linear(dev->of_node, 32, - &msm_mdss_irqdomain_ops, dpu_mdss); + &msm_mdss_irqdomain_ops, msm_mdss); if (!domain) { - DRM_ERROR("failed to add irq_domain\n"); + dev_err(dev, "failed to add irq_domain\n"); return -EINVAL; } - dpu_mdss->irq_controller.enabled_mask = 0; - dpu_mdss->irq_controller.domain = domain; + msm_mdss->irq_controller.enabled_mask = 0; + msm_mdss->irq_controller.domain = domain; return 0; } -static int msm_mdss_enable(struct msm_mdss *mdss) +int msm_mdss_enable(struct msm_mdss *msm_mdss) { - struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); int ret; - ret = clk_bulk_prepare_enable(dpu_mdss->num_clocks, dpu_mdss->clocks); + ret = clk_bulk_prepare_enable(msm_mdss->num_clocks, msm_mdss->clocks); if (ret) { - DRM_ERROR("clock enable failed, ret:%d\n", ret); + dev_err(msm_mdss->dev, "clock enable failed, ret:%d\n", ret); return ret; } @@ -143,57 +140,48 @@ static int msm_mdss_enable(struct msm_mdss *mdss) * ubwc config is part of the "mdss" region which is not accessible * from the rest of the driver. hardcode known configurations here */ - switch (readl_relaxed(dpu_mdss->mmio + HW_REV)) { + switch (readl_relaxed(msm_mdss->mmio + HW_REV)) { case DPU_HW_VER_500: case DPU_HW_VER_501: - writel_relaxed(0x420, dpu_mdss->mmio + UBWC_STATIC); + writel_relaxed(0x420, msm_mdss->mmio + UBWC_STATIC); break; case DPU_HW_VER_600: /* TODO: 0x102e for LP_DDR4 */ - writel_relaxed(0x103e, dpu_mdss->mmio + UBWC_STATIC); - writel_relaxed(2, dpu_mdss->mmio + UBWC_CTRL_2); - writel_relaxed(1, dpu_mdss->mmio + UBWC_PREDICTION_MODE); + writel_relaxed(0x103e, msm_mdss->mmio + UBWC_STATIC); + writel_relaxed(2, msm_mdss->mmio + UBWC_CTRL_2); + writel_relaxed(1, msm_mdss->mmio + UBWC_PREDICTION_MODE); break; case DPU_HW_VER_620: - writel_relaxed(0x1e, dpu_mdss->mmio + UBWC_STATIC); + writel_relaxed(0x1e, msm_mdss->mmio + UBWC_STATIC); break; case DPU_HW_VER_720: - writel_relaxed(0x101e, dpu_mdss->mmio + UBWC_STATIC); + writel_relaxed(0x101e, msm_mdss->mmio + UBWC_STATIC); break; } return ret; } -static int msm_mdss_disable(struct msm_mdss *mdss) +int msm_mdss_disable(struct msm_mdss *msm_mdss) { - struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); - - clk_bulk_disable_unprepare(dpu_mdss->num_clocks, dpu_mdss->clocks); + clk_bulk_disable_unprepare(msm_mdss->num_clocks, msm_mdss->clocks); return 0; } -static void msm_mdss_destroy(struct msm_mdss *mdss) +void msm_mdss_destroy(struct msm_mdss *msm_mdss) { - struct platform_device *pdev = to_platform_device(mdss->dev); - struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); + struct platform_device *pdev = to_platform_device(msm_mdss->dev); int irq; - pm_runtime_suspend(mdss->dev); - pm_runtime_disable(mdss->dev); - irq_domain_remove(dpu_mdss->irq_controller.domain); - dpu_mdss->irq_controller.domain = NULL; + pm_runtime_suspend(msm_mdss->dev); + pm_runtime_disable(msm_mdss->dev); + irq_domain_remove(msm_mdss->irq_controller.domain); + msm_mdss->irq_controller.domain = NULL; irq = platform_get_irq(pdev, 0); irq_set_chained_handler_and_data(irq, NULL, NULL); } -static const struct msm_mdss_funcs mdss_funcs = { - .enable = msm_mdss_enable, - .disable = msm_mdss_disable, - .destroy = msm_mdss_destroy, -}; - /* * MDP5 MDSS uses at most three specified clocks. */ @@ -224,50 +212,46 @@ static int mdp5_mdss_parse_clock(struct platform_device *pdev, struct clk_bulk_d return num_clocks; } -int msm_mdss_init(struct platform_device *pdev, bool is_mdp5) +struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5) { - struct msm_drm_private *priv = platform_get_drvdata(pdev); - struct dpu_mdss *dpu_mdss; + struct msm_mdss *msm_mdss; int ret; int irq; - dpu_mdss = devm_kzalloc(&pdev->dev, sizeof(*dpu_mdss), GFP_KERNEL); - if (!dpu_mdss) - return -ENOMEM; + msm_mdss = devm_kzalloc(&pdev->dev, sizeof(*msm_mdss), GFP_KERNEL); + if (!msm_mdss) + return ERR_PTR(-ENOMEM); - dpu_mdss->mmio = msm_ioremap(pdev, "mdss"); - if (IS_ERR(dpu_mdss->mmio)) - return PTR_ERR(dpu_mdss->mmio); + msm_mdss->mmio = devm_platform_ioremap_resource_byname(pdev, is_mdp5 ? "mdss_phys" : "mdss"); + if (IS_ERR(msm_mdss->mmio)) + return ERR_CAST(msm_mdss->mmio); - DRM_DEBUG("mapped mdss address space @%pK\n", dpu_mdss->mmio); + dev_dbg(&pdev->dev, "mapped mdss address space @%pK\n", msm_mdss->mmio); if (is_mdp5) - ret = mdp5_mdss_parse_clock(pdev, &dpu_mdss->clocks); + ret = mdp5_mdss_parse_clock(pdev, &msm_mdss->clocks); else - ret = devm_clk_bulk_get_all(&pdev->dev, &dpu_mdss->clocks); + ret = devm_clk_bulk_get_all(&pdev->dev, &msm_mdss->clocks); if (ret < 0) { - DRM_ERROR("failed to parse clocks, ret=%d\n", ret); - return ret; + dev_err(&pdev->dev, "failed to parse clocks, ret=%d\n", ret); + return ERR_PTR(ret); } - dpu_mdss->num_clocks = ret; + msm_mdss->num_clocks = ret; - dpu_mdss->base.dev = &pdev->dev; - dpu_mdss->base.funcs = &mdss_funcs; + msm_mdss->dev = &pdev->dev; irq = platform_get_irq(pdev, 0); if (irq < 0) - return irq; + return ERR_PTR(irq); - ret = _msm_mdss_irq_domain_add(dpu_mdss); + ret = _msm_mdss_irq_domain_add(msm_mdss); if (ret) - return ret; + return ERR_PTR(ret); irq_set_chained_handler_and_data(irq, msm_mdss_irq, - dpu_mdss); - - priv->mdss = &dpu_mdss->base; + msm_mdss); pm_runtime_enable(&pdev->dev); - return 0; + return msm_mdss; } -- 2.35.1 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 195B9C433F5 for ; Wed, 23 Mar 2022 09:25:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7228310E616; Wed, 23 Mar 2022 09:25:46 +0000 (UTC) Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) by gabe.freedesktop.org (Postfix) with ESMTPS id BAAA510E599 for ; Wed, 23 Mar 2022 09:25:43 +0000 (UTC) Received: by mail-lf1-x135.google.com with SMTP id e16so1615073lfc.13 for ; 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Wed, 23 Mar 2022 02:25:41 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id br12-20020a056512400c00b0044a2c454ebcsm986026lfb.27.2022.03.23.02.25.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Mar 2022 02:25:41 -0700 (PDT) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar Subject: [PATCH v3 2/6] drm/msm: remove extra indirection for msm_mdss Date: Wed, 23 Mar 2022 12:25:34 +0300 Message-Id: <20220323092538.1757880-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220323092538.1757880-1-dmitry.baryshkov@linaro.org> References: <20220323092538.1757880-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: David Airlie , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, Stephen Boyd , freedreno@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Since now there is just one mdss subdriver, drop all the indirection, make msm_mdss struct completely opaque (and defined inside msm_mdss.c) and call mdss functions directly. Reviewed-by: Abhinav Kumar Reviewed-by: Stephen Boyd Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/msm_drv.c | 29 +++---- drivers/gpu/drm/msm/msm_kms.h | 16 ++-- drivers/gpu/drm/msm/msm_mdss.c | 136 +++++++++++++++------------------ 3 files changed, 81 insertions(+), 100 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index a924fa46da9b..d3cce39c13bf 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -977,8 +977,8 @@ static int __maybe_unused msm_runtime_suspend(struct device *dev) DBG(""); - if (mdss && mdss->funcs) - return mdss->funcs->disable(mdss); + if (mdss) + return msm_mdss_disable(mdss); return 0; } @@ -990,8 +990,8 @@ static int __maybe_unused msm_runtime_resume(struct device *dev) DBG(""); - if (mdss && mdss->funcs) - return mdss->funcs->enable(mdss); + if (mdss) + return msm_mdss_enable(mdss); return 0; } @@ -1226,6 +1226,7 @@ static const struct component_master_ops msm_drm_ops = { static int msm_pdev_probe(struct platform_device *pdev) { struct component_match *match = NULL; + struct msm_mdss *mdss; struct msm_drm_private *priv; int ret; @@ -1237,20 +1238,22 @@ static int msm_pdev_probe(struct platform_device *pdev) switch (get_mdp_ver(pdev)) { case KMS_MDP5: - ret = msm_mdss_init(pdev, true); + mdss = msm_mdss_init(pdev, true); break; case KMS_DPU: - ret = msm_mdss_init(pdev, false); + mdss = msm_mdss_init(pdev, false); break; default: - ret = 0; + mdss = NULL; break; } - if (ret) { - platform_set_drvdata(pdev, NULL); + if (IS_ERR(mdss)) { + ret = PTR_ERR(mdss); return ret; } + priv->mdss = mdss; + if (get_mdp_ver(pdev)) { ret = add_display_components(pdev, &match); if (ret) @@ -1277,8 +1280,8 @@ static int msm_pdev_probe(struct platform_device *pdev) fail: of_platform_depopulate(&pdev->dev); - if (priv->mdss && priv->mdss->funcs) - priv->mdss->funcs->destroy(priv->mdss); + if (priv->mdss) + msm_mdss_destroy(priv->mdss); return ret; } @@ -1291,8 +1294,8 @@ static int msm_pdev_remove(struct platform_device *pdev) component_master_del(&pdev->dev, &msm_drm_ops); of_platform_depopulate(&pdev->dev); - if (mdss && mdss->funcs) - mdss->funcs->destroy(mdss); + if (mdss) + msm_mdss_destroy(mdss); return 0; } diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 10d5ae3e76df..09c219988884 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -201,18 +201,12 @@ struct msm_kms *dpu_kms_init(struct drm_device *dev); extern const struct of_device_id dpu_dt_match[]; extern const struct of_device_id mdp5_dt_match[]; -struct msm_mdss_funcs { - int (*enable)(struct msm_mdss *mdss); - int (*disable)(struct msm_mdss *mdss); - void (*destroy)(struct msm_mdss *mdss); -}; - -struct msm_mdss { - struct device *dev; - const struct msm_mdss_funcs *funcs; -}; +struct msm_mdss; -int msm_mdss_init(struct platform_device *pdev, bool is_mdp5); +struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5); +int msm_mdss_enable(struct msm_mdss *mdss); +int msm_mdss_disable(struct msm_mdss *mdss); +void msm_mdss_destroy(struct msm_mdss *mdss); #define for_each_crtc_mask(dev, crtc, crtc_mask) \ drm_for_each_crtc(crtc, dev) \ diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c index 71f3277bde32..62007a4f29a2 100644 --- a/drivers/gpu/drm/msm/msm_mdss.c +++ b/drivers/gpu/drm/msm/msm_mdss.c @@ -3,19 +3,16 @@ * Copyright (c) 2018, The Linux Foundation */ +#include #include #include #include #include - -#include "msm_drv.h" -#include "msm_kms.h" +#include /* for DPU_HW_* defines */ #include "disp/dpu1/dpu_hw_catalog.h" -#define to_dpu_mdss(x) container_of(x, struct dpu_mdss, base) - #define HW_REV 0x0 #define HW_INTR_STATUS 0x0010 @@ -23,8 +20,9 @@ #define UBWC_CTRL_2 0x150 #define UBWC_PREDICTION_MODE 0x154 -struct dpu_mdss { - struct msm_mdss base; +struct msm_mdss { + struct device *dev; + void __iomem *mmio; struct clk_bulk_data *clocks; size_t num_clocks; @@ -36,22 +34,22 @@ struct dpu_mdss { static void msm_mdss_irq(struct irq_desc *desc) { - struct dpu_mdss *dpu_mdss = irq_desc_get_handler_data(desc); + struct msm_mdss *msm_mdss = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); u32 interrupts; chained_irq_enter(chip, desc); - interrupts = readl_relaxed(dpu_mdss->mmio + HW_INTR_STATUS); + interrupts = readl_relaxed(msm_mdss->mmio + HW_INTR_STATUS); while (interrupts) { irq_hw_number_t hwirq = fls(interrupts) - 1; int rc; - rc = generic_handle_domain_irq(dpu_mdss->irq_controller.domain, + rc = generic_handle_domain_irq(msm_mdss->irq_controller.domain, hwirq); if (rc < 0) { - DRM_ERROR("handle irq fail: irq=%lu rc=%d\n", + dev_err(msm_mdss->dev, "handle irq fail: irq=%lu rc=%d\n", hwirq, rc); break; } @@ -64,28 +62,28 @@ static void msm_mdss_irq(struct irq_desc *desc) static void msm_mdss_irq_mask(struct irq_data *irqd) { - struct dpu_mdss *dpu_mdss = irq_data_get_irq_chip_data(irqd); + struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd); /* memory barrier */ smp_mb__before_atomic(); - clear_bit(irqd->hwirq, &dpu_mdss->irq_controller.enabled_mask); + clear_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask); /* memory barrier */ smp_mb__after_atomic(); } static void msm_mdss_irq_unmask(struct irq_data *irqd) { - struct dpu_mdss *dpu_mdss = irq_data_get_irq_chip_data(irqd); + struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd); /* memory barrier */ smp_mb__before_atomic(); - set_bit(irqd->hwirq, &dpu_mdss->irq_controller.enabled_mask); + set_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask); /* memory barrier */ smp_mb__after_atomic(); } static struct irq_chip msm_mdss_irq_chip = { - .name = "dpu_mdss", + .name = "msm_mdss", .irq_mask = msm_mdss_irq_mask, .irq_unmask = msm_mdss_irq_unmask, }; @@ -95,12 +93,12 @@ static struct lock_class_key msm_mdss_lock_key, msm_mdss_request_key; static int msm_mdss_irqdomain_map(struct irq_domain *domain, unsigned int irq, irq_hw_number_t hwirq) { - struct dpu_mdss *dpu_mdss = domain->host_data; + struct msm_mdss *msm_mdss = domain->host_data; irq_set_lockdep_class(irq, &msm_mdss_lock_key, &msm_mdss_request_key); irq_set_chip_and_handler(irq, &msm_mdss_irq_chip, handle_level_irq); - return irq_set_chip_data(irq, dpu_mdss); + return irq_set_chip_data(irq, msm_mdss); } static const struct irq_domain_ops msm_mdss_irqdomain_ops = { @@ -108,34 +106,33 @@ static const struct irq_domain_ops msm_mdss_irqdomain_ops = { .xlate = irq_domain_xlate_onecell, }; -static int _msm_mdss_irq_domain_add(struct dpu_mdss *dpu_mdss) +static int _msm_mdss_irq_domain_add(struct msm_mdss *msm_mdss) { struct device *dev; struct irq_domain *domain; - dev = dpu_mdss->base.dev; + dev = msm_mdss->dev; domain = irq_domain_add_linear(dev->of_node, 32, - &msm_mdss_irqdomain_ops, dpu_mdss); + &msm_mdss_irqdomain_ops, msm_mdss); if (!domain) { - DRM_ERROR("failed to add irq_domain\n"); + dev_err(dev, "failed to add irq_domain\n"); return -EINVAL; } - dpu_mdss->irq_controller.enabled_mask = 0; - dpu_mdss->irq_controller.domain = domain; + msm_mdss->irq_controller.enabled_mask = 0; + msm_mdss->irq_controller.domain = domain; return 0; } -static int msm_mdss_enable(struct msm_mdss *mdss) +int msm_mdss_enable(struct msm_mdss *msm_mdss) { - struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); int ret; - ret = clk_bulk_prepare_enable(dpu_mdss->num_clocks, dpu_mdss->clocks); + ret = clk_bulk_prepare_enable(msm_mdss->num_clocks, msm_mdss->clocks); if (ret) { - DRM_ERROR("clock enable failed, ret:%d\n", ret); + dev_err(msm_mdss->dev, "clock enable failed, ret:%d\n", ret); return ret; } @@ -143,57 +140,48 @@ static int msm_mdss_enable(struct msm_mdss *mdss) * ubwc config is part of the "mdss" region which is not accessible * from the rest of the driver. hardcode known configurations here */ - switch (readl_relaxed(dpu_mdss->mmio + HW_REV)) { + switch (readl_relaxed(msm_mdss->mmio + HW_REV)) { case DPU_HW_VER_500: case DPU_HW_VER_501: - writel_relaxed(0x420, dpu_mdss->mmio + UBWC_STATIC); + writel_relaxed(0x420, msm_mdss->mmio + UBWC_STATIC); break; case DPU_HW_VER_600: /* TODO: 0x102e for LP_DDR4 */ - writel_relaxed(0x103e, dpu_mdss->mmio + UBWC_STATIC); - writel_relaxed(2, dpu_mdss->mmio + UBWC_CTRL_2); - writel_relaxed(1, dpu_mdss->mmio + UBWC_PREDICTION_MODE); + writel_relaxed(0x103e, msm_mdss->mmio + UBWC_STATIC); + writel_relaxed(2, msm_mdss->mmio + UBWC_CTRL_2); + writel_relaxed(1, msm_mdss->mmio + UBWC_PREDICTION_MODE); break; case DPU_HW_VER_620: - writel_relaxed(0x1e, dpu_mdss->mmio + UBWC_STATIC); + writel_relaxed(0x1e, msm_mdss->mmio + UBWC_STATIC); break; case DPU_HW_VER_720: - writel_relaxed(0x101e, dpu_mdss->mmio + UBWC_STATIC); + writel_relaxed(0x101e, msm_mdss->mmio + UBWC_STATIC); break; } return ret; } -static int msm_mdss_disable(struct msm_mdss *mdss) +int msm_mdss_disable(struct msm_mdss *msm_mdss) { - struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); - - clk_bulk_disable_unprepare(dpu_mdss->num_clocks, dpu_mdss->clocks); + clk_bulk_disable_unprepare(msm_mdss->num_clocks, msm_mdss->clocks); return 0; } -static void msm_mdss_destroy(struct msm_mdss *mdss) +void msm_mdss_destroy(struct msm_mdss *msm_mdss) { - struct platform_device *pdev = to_platform_device(mdss->dev); - struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss); + struct platform_device *pdev = to_platform_device(msm_mdss->dev); int irq; - pm_runtime_suspend(mdss->dev); - pm_runtime_disable(mdss->dev); - irq_domain_remove(dpu_mdss->irq_controller.domain); - dpu_mdss->irq_controller.domain = NULL; + pm_runtime_suspend(msm_mdss->dev); + pm_runtime_disable(msm_mdss->dev); + irq_domain_remove(msm_mdss->irq_controller.domain); + msm_mdss->irq_controller.domain = NULL; irq = platform_get_irq(pdev, 0); irq_set_chained_handler_and_data(irq, NULL, NULL); } -static const struct msm_mdss_funcs mdss_funcs = { - .enable = msm_mdss_enable, - .disable = msm_mdss_disable, - .destroy = msm_mdss_destroy, -}; - /* * MDP5 MDSS uses at most three specified clocks. */ @@ -224,50 +212,46 @@ static int mdp5_mdss_parse_clock(struct platform_device *pdev, struct clk_bulk_d return num_clocks; } -int msm_mdss_init(struct platform_device *pdev, bool is_mdp5) +struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5) { - struct msm_drm_private *priv = platform_get_drvdata(pdev); - struct dpu_mdss *dpu_mdss; + struct msm_mdss *msm_mdss; int ret; int irq; - dpu_mdss = devm_kzalloc(&pdev->dev, sizeof(*dpu_mdss), GFP_KERNEL); - if (!dpu_mdss) - return -ENOMEM; + msm_mdss = devm_kzalloc(&pdev->dev, sizeof(*msm_mdss), GFP_KERNEL); + if (!msm_mdss) + return ERR_PTR(-ENOMEM); - dpu_mdss->mmio = msm_ioremap(pdev, "mdss"); - if (IS_ERR(dpu_mdss->mmio)) - return PTR_ERR(dpu_mdss->mmio); + msm_mdss->mmio = devm_platform_ioremap_resource_byname(pdev, is_mdp5 ? "mdss_phys" : "mdss"); + if (IS_ERR(msm_mdss->mmio)) + return ERR_CAST(msm_mdss->mmio); - DRM_DEBUG("mapped mdss address space @%pK\n", dpu_mdss->mmio); + dev_dbg(&pdev->dev, "mapped mdss address space @%pK\n", msm_mdss->mmio); if (is_mdp5) - ret = mdp5_mdss_parse_clock(pdev, &dpu_mdss->clocks); + ret = mdp5_mdss_parse_clock(pdev, &msm_mdss->clocks); else - ret = devm_clk_bulk_get_all(&pdev->dev, &dpu_mdss->clocks); + ret = devm_clk_bulk_get_all(&pdev->dev, &msm_mdss->clocks); if (ret < 0) { - DRM_ERROR("failed to parse clocks, ret=%d\n", ret); - return ret; + dev_err(&pdev->dev, "failed to parse clocks, ret=%d\n", ret); + return ERR_PTR(ret); } - dpu_mdss->num_clocks = ret; + msm_mdss->num_clocks = ret; - dpu_mdss->base.dev = &pdev->dev; - dpu_mdss->base.funcs = &mdss_funcs; + msm_mdss->dev = &pdev->dev; irq = platform_get_irq(pdev, 0); if (irq < 0) - return irq; + return ERR_PTR(irq); - ret = _msm_mdss_irq_domain_add(dpu_mdss); + ret = _msm_mdss_irq_domain_add(msm_mdss); if (ret) - return ret; + return ERR_PTR(ret); irq_set_chained_handler_and_data(irq, msm_mdss_irq, - dpu_mdss); - - priv->mdss = &dpu_mdss->base; + msm_mdss); pm_runtime_enable(&pdev->dev); - return 0; + return msm_mdss; } -- 2.35.1