From patchwork Mon Jan 17 07:05:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WW9uZyBXdSAo5ZC05YuHKQ==?= X-Patchwork-Id: 12714877 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 17093C433F5 for ; Mon, 17 Jan 2022 07:07:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 198E210F04B; Mon, 17 Jan 2022 07:07:14 +0000 (UTC) Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTPS id 42A3510F050 for ; Mon, 17 Jan 2022 07:07:12 +0000 (UTC) X-UUID: 6a5bfdcf6fa3446a9ef1b21f3f0e7a17-20220117 X-UUID: 6a5bfdcf6fa3446a9ef1b21f3f0e7a17-20220117 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1140535601; Mon, 17 Jan 2022 15:07:07 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 17 Jan 2022 15:07:06 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 17 Jan 2022 15:07:04 +0800 From: Yong Wu To: Matthias Brugger , Hans Verkuil , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , "Mauro Carvalho Chehab" Subject: [PATCH v10 09/13] drm/mediatek: Get rid of mtk_smi_larb_get/put Date: Mon, 17 Jan 2022 15:05:06 +0800 Message-ID: <20220117070510.17642-10-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220117070510.17642-1-yong.wu@mediatek.com> References: <20220117070510.17642-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N 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: Dafna Hirschfeld , Chun-Kuang Hu , Will Deacon , dri-devel@lists.freedesktop.org, yf.wang@mediatek.com, anthony.huang@mediatek.com, youlin.pei@mediatek.com, Evan Green , Eizan Miyamoto , Matthias Kaehlcke , linux-arm-kernel@lists.infradead.org, mingyuan.ma@mediatek.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, Frank Wunderlich , libo.kang@mediatek.com, yi.kuo@mediatek.com, linux-mediatek@lists.infradead.org, Hsin-Yi Wang , Tiffany Lin , yong.wu@mediatek.com, AngeloGioacchino Del Regno , anan.sun@mediatek.com, srv_heupstream@mediatek.com, acourbot@chromium.org, linux-kernel@vger.kernel.org, Tomasz Figa , iommu@lists.linux-foundation.org, Robin Murphy Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MediaTek IOMMU has already added the device_link between the consumer and smi-larb device. If the drm device calls the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: CK Hu CC: Philipp Zabel Signed-off-by: Yong Wu Reviewed-by: Evan Green Acked-by: Chun-Kuang Hu Reviewed-by: Dafna Hirschfeld Tested-by: Frank Wunderlich # BPI-R2/MT7623 Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 10 ------ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 36 ++------------------- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 - drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +-- 4 files changed, 3 insertions(+), 49 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index ce5bbd6918cf..12c6a2097142 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -10,7 +10,6 @@ #include #include -#include #include #include @@ -548,22 +547,14 @@ static void mtk_drm_crtc_atomic_enable(struct drm_crtc *crtc, DRM_DEBUG_DRIVER("%s %d\n", __func__, crtc->base.id); - ret = mtk_smi_larb_get(comp->larb_dev); - if (ret) { - DRM_ERROR("Failed to get larb: %d\n", ret); - return; - } - ret = pm_runtime_resume_and_get(comp->dev); if (ret < 0) { - mtk_smi_larb_put(comp->larb_dev); DRM_DEV_ERROR(comp->dev, "Failed to enable power domain: %d\n", ret); return; } ret = mtk_crtc_ddp_hw_init(mtk_crtc); if (ret) { - mtk_smi_larb_put(comp->larb_dev); pm_runtime_put(comp->dev); return; } @@ -600,7 +591,6 @@ static void mtk_drm_crtc_atomic_disable(struct drm_crtc *crtc, drm_crtc_vblank_off(crtc); mtk_crtc_ddp_hw_fini(mtk_crtc); - mtk_smi_larb_put(comp->larb_dev); ret = pm_runtime_put(comp->dev); if (ret < 0) DRM_DEV_ERROR(comp->dev, "Failed to disable power domain: %d\n", ret); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 99cbf44463e4..48642e814370 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -414,37 +414,15 @@ unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, return ret; } -static int mtk_ddp_get_larb_dev(struct device_node *node, struct mtk_ddp_comp *comp, - struct device *dev) -{ - struct device_node *larb_node; - struct platform_device *larb_pdev; - - larb_node = of_parse_phandle(node, "mediatek,larb", 0); - if (!larb_node) { - dev_err(dev, "Missing mediadek,larb phandle in %pOF node\n", node); - return -EINVAL; - } - - larb_pdev = of_find_device_by_node(larb_node); - if (!larb_pdev) { - dev_warn(dev, "Waiting for larb device %pOF\n", larb_node); - of_node_put(larb_node); - return -EPROBE_DEFER; - } - of_node_put(larb_node); - comp->larb_dev = &larb_pdev->dev; - - return 0; -} - int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id) { struct platform_device *comp_pdev; enum mtk_ddp_comp_type type; struct mtk_ddp_comp_dev *priv; +#if IS_REACHABLE(CONFIG_MTK_CMDQ) int ret; +#endif if (comp_id < 0 || comp_id >= DDP_COMPONENT_ID_MAX) return -EINVAL; @@ -460,16 +438,6 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, } comp->dev = &comp_pdev->dev; - /* Only DMA capable components need the LARB property */ - if (type == MTK_DISP_OVL || - type == MTK_DISP_OVL_2L || - type == MTK_DISP_RDMA || - type == MTK_DISP_WDMA) { - ret = mtk_ddp_get_larb_dev(node, comp, comp->dev); - if (ret) - return ret; - } - if (type == MTK_DISP_AAL || type == MTK_DISP_BLS || type == MTK_DISP_CCORR || diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index bb914d976cf5..1b582262b682 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -70,7 +70,6 @@ struct mtk_ddp_comp_funcs { struct mtk_ddp_comp { struct device *dev; int irq; - struct device *larb_dev; enum mtk_ddp_comp_id id; const struct mtk_ddp_comp_funcs *funcs; }; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index aec39724ebeb..c234293fc2c3 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -603,11 +603,8 @@ static int mtk_drm_probe(struct platform_device *pdev) pm_runtime_disable(dev); err_node: of_node_put(private->mutex_node); - for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) { + for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) of_node_put(private->comp_node[i]); - if (private->ddp_comp[i].larb_dev) - put_device(private->ddp_comp[i].larb_dev); - } return ret; }