From patchwork Wed Jan 6 23:17:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chun-Kuang Hu X-Patchwork-Id: 12002453 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=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 99FE8C433E0 for ; Wed, 6 Jan 2021 23:17:50 +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 4D7622333D for ; Wed, 6 Jan 2021 23:17:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4D7622333D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DC6456E34B; Wed, 6 Jan 2021 23:17:46 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id A53FD6E34B for ; Wed, 6 Jan 2021 23:17:45 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 927D523341; Wed, 6 Jan 2021 23:17:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609975065; bh=M36iViHXc1GGhCvsMfOzZ8Ua6F1L2Zbpb8E6XEZkGqA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m/k9K6nBheVm2eksTmpsDlPaWOcDj4p/ywogywxGQ/mqJEnkhIPEEHCyh8gdT8czL HjPg8t/mJzzez8vxHab2w18Rk/zLhYneKvBjyCJ9DDJ1mdE9x0v85x4TMQPwXViB4D pr6xUgCMizXI1lWnxQoUMt/EWEB7rzXDxJ1LVoWpnVq3wbrFvPAZqdGuRBuM/cx3JB UYiYbyxuf8p2zZaGCeue38ob55ErmbMT+NZ0LWkGWJUFSKiUdt6XIIv+Lwru2YAw37 wkeBrrZ1R0dkt4EmROPrg/7XuiAQalUfKJZROMs2RVeskGaypqsgLkw8ybysGmlQmN DgEWRzTL3Th+Q== From: Chun-Kuang Hu To: Matthias Brugger , Philipp Zabel , David Airlie , Daniel Vetter Subject: [PATCH v2 3/5] drm/mediatek: Change disp/ddp term to mutex in mtk mutex driver Date: Thu, 7 Jan 2021 07:17:27 +0800 Message-Id: <20210106231729.17173-4-chunkuang.hu@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210106231729.17173-1-chunkuang.hu@kernel.org> References: <20210106231729.17173-1-chunkuang.hu@kernel.org> 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: Chun-Kuang Hu , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: CK Hu mtk mutex is used by both drm and mdp driver, so change disp/ddp term to mutex to show that it's a common driver for drm and mdp. Signed-off-by: CK Hu Signed-off-by: Chun-Kuang Hu --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 30 +-- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 +- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 +- drivers/gpu/drm/mediatek/mtk_mutex.c | 305 ++++++++++++------------ drivers/gpu/drm/mediatek/mtk_mutex.h | 26 +- 5 files changed, 182 insertions(+), 183 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index fd97b7d195e3..bba87a036fa8 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -55,7 +55,7 @@ struct mtk_drm_crtc { #endif struct device *mmsys_dev; - struct mtk_disp_mutex *mutex; + struct mtk_mutex *mutex; unsigned int ddp_comp_nr; struct mtk_ddp_comp **ddp_comp; @@ -107,7 +107,7 @@ static void mtk_drm_crtc_destroy(struct drm_crtc *crtc) { struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); - mtk_disp_mutex_put(mtk_crtc->mutex); + mtk_mutex_put(mtk_crtc->mutex); drm_crtc_cleanup(crtc); } @@ -265,7 +265,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) return ret; } - ret = mtk_disp_mutex_prepare(mtk_crtc->mutex); + ret = mtk_mutex_prepare(mtk_crtc->mutex); if (ret < 0) { DRM_ERROR("Failed to enable mutex clock: %d\n", ret); goto err_pm_runtime_put; @@ -281,11 +281,11 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) mtk_mmsys_ddp_connect(mtk_crtc->mmsys_dev, mtk_crtc->ddp_comp[i]->id, mtk_crtc->ddp_comp[i + 1]->id); - mtk_disp_mutex_add_comp(mtk_crtc->mutex, + mtk_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); } - mtk_disp_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); - mtk_disp_mutex_enable(mtk_crtc->mutex); + mtk_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); + mtk_mutex_enable(mtk_crtc->mutex); for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[i]; @@ -314,7 +314,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) return 0; err_mutex_unprepare: - mtk_disp_mutex_unprepare(mtk_crtc->mutex); + mtk_mutex_unprepare(mtk_crtc->mutex); err_pm_runtime_put: pm_runtime_put(crtc->dev->dev); return ret; @@ -333,19 +333,19 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc) } for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) - mtk_disp_mutex_remove_comp(mtk_crtc->mutex, + mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); - mtk_disp_mutex_disable(mtk_crtc->mutex); + mtk_mutex_disable(mtk_crtc->mutex); for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) { mtk_mmsys_ddp_disconnect(mtk_crtc->mmsys_dev, mtk_crtc->ddp_comp[i]->id, mtk_crtc->ddp_comp[i + 1]->id); - mtk_disp_mutex_remove_comp(mtk_crtc->mutex, + mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); } - mtk_disp_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); + mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id); mtk_crtc_ddp_clk_disable(mtk_crtc); - mtk_disp_mutex_unprepare(mtk_crtc->mutex); + mtk_mutex_unprepare(mtk_crtc->mutex); pm_runtime_put(drm->dev); @@ -457,9 +457,9 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) mtk_crtc->pending_async_planes = true; if (priv->data->shadow_register) { - mtk_disp_mutex_acquire(mtk_crtc->mutex); + mtk_mutex_acquire(mtk_crtc->mutex); mtk_crtc_ddp_config(crtc, NULL); - mtk_disp_mutex_release(mtk_crtc->mutex); + mtk_mutex_release(mtk_crtc->mutex); } #if IS_REACHABLE(CONFIG_MTK_CMDQ) if (mtk_crtc->cmdq_client) { @@ -773,7 +773,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (!mtk_crtc->ddp_comp) return -ENOMEM; - mtk_crtc->mutex = mtk_disp_mutex_get(priv->mutex_dev, pipe); + mtk_crtc->mutex = mtk_mutex_get(priv->mutex_dev, pipe); if (IS_ERR(mtk_crtc->mutex)) { ret = PTR_ERR(mtk_crtc->mutex); dev_err(dev, "Failed to get mutex: %d\n", ret); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 25a24f69b986..b99a06e6834e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -588,7 +588,7 @@ static struct platform_driver mtk_drm_platform_driver = { }; static struct platform_driver * const mtk_drm_drivers[] = { - &mtk_ddp_driver, + &mtk_mutex_driver, &mtk_disp_color_driver, &mtk_disp_ovl_driver, &mtk_disp_rdma_driver, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 690e92e9eff9..ae366868d01a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -46,7 +46,7 @@ struct mtk_drm_private { struct drm_atomic_state *suspend_state; }; -extern struct platform_driver mtk_ddp_driver; +extern struct platform_driver mtk_mutex_driver; extern struct platform_driver mtk_disp_color_driver; extern struct platform_driver mtk_disp_ovl_driver; extern struct platform_driver mtk_disp_rdma_driver; diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.c b/drivers/gpu/drm/mediatek/mtk_mutex.c index 1c8a253f4788..98a060bf225d 100644 --- a/drivers/gpu/drm/mediatek/mtk_mutex.c +++ b/drivers/gpu/drm/mediatek/mtk_mutex.c @@ -9,12 +9,12 @@ #include #include #include +#include -#include "mtk_drm_ddp_comp.h" #include "mtk_mutex.h" -#define MT2701_DISP_MUTEX0_MOD0 0x2c -#define MT2701_DISP_MUTEX0_SOF0 0x30 +#define MT2701_MUTEX0_MOD0 0x2c +#define MT2701_MUTEX0_SOF0 0x30 #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n)) @@ -79,33 +79,32 @@ #define MT2701_MUTEX_MOD_DISP_RDMA0 10 #define MT2701_MUTEX_MOD_DISP_RDMA1 12 -#define MUTEX_SOF_SINGLE_MODE 0 -#define MUTEX_SOF_DSI0 1 -#define MUTEX_SOF_DSI1 2 -#define MUTEX_SOF_DPI0 3 -#define MUTEX_SOF_DPI1 4 -#define MUTEX_SOF_DSI2 5 -#define MUTEX_SOF_DSI3 6 -#define MT8167_MUTEX_SOF_DPI0 2 -#define MT8167_MUTEX_SOF_DPI1 3 - - -struct mtk_disp_mutex { +#define MT2712_MUTEX_SOF_SINGLE_MODE 0 +#define MT2712_MUTEX_SOF_DSI0 1 +#define MT2712_MUTEX_SOF_DSI1 2 +#define MT2712_MUTEX_SOF_DPI0 3 +#define MT2712_MUTEX_SOF_DPI1 4 +#define MT2712_MUTEX_SOF_DSI2 5 +#define MT2712_MUTEX_SOF_DSI3 6 +#define MT8167_MUTEX_SOF_DPI0 2 +#define MT8167_MUTEX_SOF_DPI1 3 + +struct mtk_mutex { int id; bool claimed; }; -enum mtk_ddp_mutex_sof_id { - DDP_MUTEX_SOF_SINGLE_MODE, - DDP_MUTEX_SOF_DSI0, - DDP_MUTEX_SOF_DSI1, - DDP_MUTEX_SOF_DPI0, - DDP_MUTEX_SOF_DPI1, - DDP_MUTEX_SOF_DSI2, - DDP_MUTEX_SOF_DSI3, +enum mtk_mutex_sof_id { + MUTEX_SOF_SINGLE_MODE, + MUTEX_SOF_DSI0, + MUTEX_SOF_DSI1, + MUTEX_SOF_DPI0, + MUTEX_SOF_DPI1, + MUTEX_SOF_DSI2, + MUTEX_SOF_DSI3, }; -struct mtk_ddp_data { +struct mtk_mutex_data { const unsigned int *mutex_mod; const unsigned int *mutex_sof; const unsigned int mutex_mod_reg; @@ -113,12 +112,12 @@ struct mtk_ddp_data { const bool no_clk; }; -struct mtk_ddp { +struct mtk_mutex_ctx { struct device *dev; struct clk *clk; void __iomem *regs; - struct mtk_disp_mutex mutex[10]; - const struct mtk_ddp_data *data; + struct mtk_mutex mutex[10]; + const struct mtk_mutex_data *data; }; static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { @@ -183,150 +182,150 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1, }; -static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = { - [DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, - [DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, - [DDP_MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1, - [DDP_MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0, - [DDP_MUTEX_SOF_DPI1] = MUTEX_SOF_DPI1, - [DDP_MUTEX_SOF_DSI2] = MUTEX_SOF_DSI2, - [DDP_MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3, +static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = { + [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, + [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, + [MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1, + [MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0, + [MUTEX_SOF_DPI1] = MUTEX_SOF_DPI1, + [MUTEX_SOF_DSI2] = MUTEX_SOF_DSI2, + [MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3, }; -static const unsigned int mt8167_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = { - [DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, - [DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, - [DDP_MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0, - [DDP_MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1, +static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = { + [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, + [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, + [MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0, + [MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1, }; -static const struct mtk_ddp_data mt2701_ddp_driver_data = { +static const struct mtk_mutex_data mt2701_mutex_driver_data = { .mutex_mod = mt2701_mutex_mod, .mutex_sof = mt2712_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, }; -static const struct mtk_ddp_data mt2712_ddp_driver_data = { +static const struct mtk_mutex_data mt2712_mutex_driver_data = { .mutex_mod = mt2712_mutex_mod, .mutex_sof = mt2712_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, }; -static const struct mtk_ddp_data mt8167_ddp_driver_data = { +static const struct mtk_mutex_data mt8167_mutex_driver_data = { .mutex_mod = mt8167_mutex_mod, .mutex_sof = mt8167_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, .no_clk = true, }; -static const struct mtk_ddp_data mt8173_ddp_driver_data = { +static const struct mtk_mutex_data mt8173_mutex_driver_data = { .mutex_mod = mt8173_mutex_mod, .mutex_sof = mt2712_mutex_sof, - .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, - .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0, + .mutex_mod_reg = MT2701_MUTEX0_MOD0, + .mutex_sof_reg = MT2701_MUTEX0_SOF0, }; -struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id) +struct mtk_mutex *mtk_mutex_get(struct device *dev, unsigned int id) { - struct mtk_ddp *ddp = dev_get_drvdata(dev); + struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev); if (id >= 10) return ERR_PTR(-EINVAL); - if (ddp->mutex[id].claimed) + if (mtx->mutex[id].claimed) return ERR_PTR(-EBUSY); - ddp->mutex[id].claimed = true; + mtx->mutex[id].claimed = true; - return &ddp->mutex[id]; + return &mtx->mutex[id]; } -void mtk_disp_mutex_put(struct mtk_disp_mutex *mutex) +void mtk_mutex_put(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); - WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex); mutex->claimed = false; } -int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex) +int mtk_mutex_prepare(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); - return clk_prepare_enable(ddp->clk); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + return clk_prepare_enable(mtx->clk); } -void mtk_disp_mutex_unprepare(struct mtk_disp_mutex *mutex) +void mtk_mutex_unprepare(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); - clk_disable_unprepare(ddp->clk); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); + clk_disable_unprepare(mtx->clk); } -void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id) +void mtk_mutex_add_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); unsigned int reg; unsigned int sof_id; unsigned int offset; - WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex); switch (id) { case DDP_COMPONENT_DSI0: - sof_id = DDP_MUTEX_SOF_DSI0; + sof_id = MUTEX_SOF_DSI0; break; case DDP_COMPONENT_DSI1: - sof_id = DDP_MUTEX_SOF_DSI0; + sof_id = MUTEX_SOF_DSI0; break; case DDP_COMPONENT_DSI2: - sof_id = DDP_MUTEX_SOF_DSI2; + sof_id = MUTEX_SOF_DSI2; break; case DDP_COMPONENT_DSI3: - sof_id = DDP_MUTEX_SOF_DSI3; + sof_id = MUTEX_SOF_DSI3; break; case DDP_COMPONENT_DPI0: - sof_id = DDP_MUTEX_SOF_DPI0; + sof_id = MUTEX_SOF_DPI0; break; case DDP_COMPONENT_DPI1: - sof_id = DDP_MUTEX_SOF_DPI1; + sof_id = MUTEX_SOF_DPI1; break; default: - if (ddp->data->mutex_mod[id] < 32) { - offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg, + if (mtx->data->mutex_mod[id] < 32) { + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg |= 1 << ddp->data->mutex_mod[id]; - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg |= 1 << mtx->data->mutex_mod[id]; + writel_relaxed(reg, mtx->regs + offset); } else { offset = DISP_REG_MUTEX_MOD2(mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg |= 1 << (ddp->data->mutex_mod[id] - 32); - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg |= 1 << (mtx->data->mutex_mod[id] - 32); + writel_relaxed(reg, mtx->regs + offset); } return; } - writel_relaxed(ddp->data->mutex_sof[sof_id], - ddp->regs + - DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg, mutex->id)); + writel_relaxed(mtx->data->mutex_sof[sof_id], + mtx->regs + + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id)); } -void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id) +void mtk_mutex_remove_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); unsigned int reg; unsigned int offset; - WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex); switch (id) { case DDP_COMPONENT_DSI0: @@ -336,129 +335,129 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, case DDP_COMPONENT_DPI0: case DDP_COMPONENT_DPI1: writel_relaxed(MUTEX_SOF_SINGLE_MODE, - ddp->regs + - DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg, + mtx->regs + + DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id)); break; default: - if (ddp->data->mutex_mod[id] < 32) { - offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg, + if (mtx->data->mutex_mod[id] < 32) { + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg &= ~(1 << ddp->data->mutex_mod[id]); - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg &= ~(1 << mtx->data->mutex_mod[id]); + writel_relaxed(reg, mtx->regs + offset); } else { offset = DISP_REG_MUTEX_MOD2(mutex->id); - reg = readl_relaxed(ddp->regs + offset); - reg &= ~(1 << (ddp->data->mutex_mod[id] - 32)); - writel_relaxed(reg, ddp->regs + offset); + reg = readl_relaxed(mtx->regs + offset); + reg &= ~(1 << (mtx->data->mutex_mod[id] - 32)); + writel_relaxed(reg, mtx->regs + offset); } break; } } -void mtk_disp_mutex_enable(struct mtk_disp_mutex *mutex) +void mtk_mutex_enable(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); - WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex); - writel(1, ddp->regs + DISP_REG_MUTEX_EN(mutex->id)); + writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id)); } -void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex) +void mtk_mutex_disable(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); - WARN_ON(&ddp->mutex[mutex->id] != mutex); + WARN_ON(&mtx->mutex[mutex->id] != mutex); - writel(0, ddp->regs + DISP_REG_MUTEX_EN(mutex->id)); + writel(0, mtx->regs + DISP_REG_MUTEX_EN(mutex->id)); } -void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex) +void mtk_mutex_acquire(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); u32 tmp; - writel(1, ddp->regs + DISP_REG_MUTEX_EN(mutex->id)); - writel(1, ddp->regs + DISP_REG_MUTEX(mutex->id)); - if (readl_poll_timeout_atomic(ddp->regs + DISP_REG_MUTEX(mutex->id), + writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id)); + writel(1, mtx->regs + DISP_REG_MUTEX(mutex->id)); + if (readl_poll_timeout_atomic(mtx->regs + DISP_REG_MUTEX(mutex->id), tmp, tmp & INT_MUTEX, 1, 10000)) pr_err("could not acquire mutex %d\n", mutex->id); } -void mtk_disp_mutex_release(struct mtk_disp_mutex *mutex) +void mtk_mutex_release(struct mtk_mutex *mutex) { - struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp, - mutex[mutex->id]); + struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, + mutex[mutex->id]); - writel(0, ddp->regs + DISP_REG_MUTEX(mutex->id)); + writel(0, mtx->regs + DISP_REG_MUTEX(mutex->id)); } -static int mtk_ddp_probe(struct platform_device *pdev) +static int mtk_mutex_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct mtk_ddp *ddp; + struct mtk_mutex_ctx *mtx; struct resource *regs; int i; - ddp = devm_kzalloc(dev, sizeof(*ddp), GFP_KERNEL); - if (!ddp) + mtx = devm_kzalloc(dev, sizeof(*mtx), GFP_KERNEL); + if (!mtx) return -ENOMEM; for (i = 0; i < 10; i++) - ddp->mutex[i].id = i; + mtx->mutex[i].id = i; - ddp->data = of_device_get_match_data(dev); + mtx->data = of_device_get_match_data(dev); - if (!ddp->data->no_clk) { - ddp->clk = devm_clk_get(dev, NULL); - if (IS_ERR(ddp->clk)) { - if (PTR_ERR(ddp->clk) != -EPROBE_DEFER) + if (!mtx->data->no_clk) { + mtx->clk = devm_clk_get(dev, NULL); + if (IS_ERR(mtx->clk)) { + if (PTR_ERR(mtx->clk) != -EPROBE_DEFER) dev_err(dev, "Failed to get clock\n"); - return PTR_ERR(ddp->clk); + return PTR_ERR(mtx->clk); } } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ddp->regs = devm_ioremap_resource(dev, regs); - if (IS_ERR(ddp->regs)) { + mtx->regs = devm_ioremap_resource(dev, regs); + if (IS_ERR(mtx->regs)) { dev_err(dev, "Failed to map mutex registers\n"); - return PTR_ERR(ddp->regs); + return PTR_ERR(mtx->regs); } - platform_set_drvdata(pdev, ddp); + platform_set_drvdata(pdev, mtx); return 0; } -static int mtk_ddp_remove(struct platform_device *pdev) +static int mtk_mutex_remove(struct platform_device *pdev) { return 0; } -static const struct of_device_id ddp_driver_dt_match[] = { +static const struct of_device_id mutex_driver_dt_match[] = { { .compatible = "mediatek,mt2701-disp-mutex", - .data = &mt2701_ddp_driver_data}, + .data = &mt2701_mutex_driver_data}, { .compatible = "mediatek,mt2712-disp-mutex", - .data = &mt2712_ddp_driver_data}, + .data = &mt2712_mutex_driver_data}, { .compatible = "mediatek,mt8167-disp-mutex", - .data = &mt8167_ddp_driver_data}, + .data = &mt8167_mutex_driver_data}, { .compatible = "mediatek,mt8173-disp-mutex", - .data = &mt8173_ddp_driver_data}, + .data = &mt8173_mutex_driver_data}, {}, }; -MODULE_DEVICE_TABLE(of, ddp_driver_dt_match); +MODULE_DEVICE_TABLE(of, mutex_driver_dt_match); -struct platform_driver mtk_ddp_driver = { - .probe = mtk_ddp_probe, - .remove = mtk_ddp_remove, +struct platform_driver mtk_mutex_driver = { + .probe = mtk_mutex_probe, + .remove = mtk_mutex_remove, .driver = { - .name = "mediatek-ddp", + .name = "mediatek-mutex", .owner = THIS_MODULE, - .of_match_table = ddp_driver_dt_match, + .of_match_table = mutex_driver_dt_match, }, }; diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.h b/drivers/gpu/drm/mediatek/mtk_mutex.h index 3abcc20e88fb..b678e0988a37 100644 --- a/drivers/gpu/drm/mediatek/mtk_mutex.h +++ b/drivers/gpu/drm/mediatek/mtk_mutex.h @@ -8,19 +8,19 @@ struct regmap; struct device; -struct mtk_disp_mutex; +struct mtk_mutex; -struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id); -int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id); -void mtk_disp_mutex_enable(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, - enum mtk_ddp_comp_id id); -void mtk_disp_mutex_unprepare(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_put(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex); -void mtk_disp_mutex_release(struct mtk_disp_mutex *mutex); +struct mtk_mutex *mtk_mutex_get(struct device *dev, unsigned int id); +int mtk_mutex_prepare(struct mtk_mutex *mutex); +void mtk_mutex_add_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id); +void mtk_mutex_enable(struct mtk_mutex *mutex); +void mtk_mutex_disable(struct mtk_mutex *mutex); +void mtk_mutex_remove_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id); +void mtk_mutex_unprepare(struct mtk_mutex *mutex); +void mtk_mutex_put(struct mtk_mutex *mutex); +void mtk_mutex_acquire(struct mtk_mutex *mutex); +void mtk_mutex_release(struct mtk_mutex *mutex); #endif /* MTK_MUTEX_H */