From nobody Sun Sep 22 15:23:31 2024 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58AB2C4332F for ; Fri, 12 Nov 2021 10:57:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 42F9660F46 for ; Fri, 12 Nov 2021 10:57:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234953AbhKLLAM (ORCPT ); Fri, 12 Nov 2021 06:00:12 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:42952 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S234836AbhKLLAK (ORCPT ); Fri, 12 Nov 2021 06:00:10 -0500 X-UUID: 930e4e966ea941a0b31bd60d92b3df10-20211112 X-UUID: 930e4e966ea941a0b31bd60d92b3df10-20211112 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1290764418; Fri, 12 Nov 2021 18:57:17 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) 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; Fri, 12 Nov 2021 18:57:15 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 12 Nov 2021 18:57:13 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , "Mauro Carvalho Chehab" CC: Evan Green , Robin Murphy , Tomasz Figa , Will Deacon , , , , , , , , , Matthias Kaehlcke , , , , , , Daniel Vetter , Chun-Kuang Hu , Philipp Zabel , Tiffany Lin , "Dafna Hirschfeld" , Hsin-Yi Wang , Eizan Miyamoto , , Frank Wunderlich , , , , Irui Wang Subject: [PATCH v9 10/15] media: mtk-vcodec: Get rid of mtk_smi_larb_get/put Date: Fri, 12 Nov 2021 18:55:04 +0800 Message-ID: <20211112105509.12010-11-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211112105509.12010-1-yong.wu@mediatek.com> References: <20211112105509.12010-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" MediaTek IOMMU has already added the device_link between the consumer and smi-larb device. If the vcodec device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: Tiffany Lin CC: Irui Wang Signed-off-by: Yong Wu Reviewed-by: Evan Green Acked-by: Tiffany Lin Reviewed-by: Dafna Hirschfeld --- .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 37 +++------------- .../platform/mtk-vcodec/mtk_vcodec_drv.h | 3 -- .../platform/mtk-vcodec/mtk_vcodec_enc.c | 1 - .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 44 +++---------------- 4 files changed, 10 insertions(+), 75 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/driver= s/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c index 6038db96f71c..d0bf9aa3b29d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c @@ -8,14 +8,12 @@ #include #include #include -#include =20 #include "mtk_vcodec_dec_pm.h" #include "mtk_vcodec_util.h" =20 int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) { - struct device_node *node; struct platform_device *pdev; struct mtk_vcodec_pm *pm; struct mtk_vcodec_clk *dec_clk; @@ -26,18 +24,7 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) pm =3D &mtkdev->pm; pm->mtkdev =3D mtkdev; dec_clk =3D &pm->vdec_clk; - node =3D of_parse_phandle(pdev->dev.of_node, "mediatek,larb", 0); - if (!node) { - mtk_v4l2_err("of_parse_phandle mediatek,larb fail!"); - return -1; - } =20 - pdev =3D of_find_device_by_node(node); - of_node_put(node); - if (WARN_ON(!pdev)) { - return -1; - } - pm->larbvdec =3D &pdev->dev; pdev =3D mtkdev->plat_dev; pm->dev =3D &pdev->dev; =20 @@ -47,14 +34,11 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkde= v) dec_clk->clk_info =3D devm_kcalloc(&pdev->dev, dec_clk->clk_num, sizeof(*clk_info), GFP_KERNEL); - if (!dec_clk->clk_info) { - ret =3D -ENOMEM; - goto put_device; - } + if (!dec_clk->clk_info) + return -ENOMEM; } else { mtk_v4l2_err("Failed to get vdec clock count"); - ret =3D -EINVAL; - goto put_device; + return -EINVAL; } =20 for (i =3D 0; i < dec_clk->clk_num; i++) { @@ -63,29 +47,24 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkde= v) "clock-names", i, &clk_info->clk_name); if (ret) { mtk_v4l2_err("Failed to get clock name id =3D %d", i); - goto put_device; + return ret; } clk_info->vcodec_clk =3D devm_clk_get(&pdev->dev, clk_info->clk_name); if (IS_ERR(clk_info->vcodec_clk)) { mtk_v4l2_err("devm_clk_get (%d)%s fail", i, clk_info->clk_name); - ret =3D PTR_ERR(clk_info->vcodec_clk); - goto put_device; + return PTR_ERR(clk_info->vcodec_clk); } } =20 pm_runtime_enable(&pdev->dev); return 0; -put_device: - put_device(pm->larbvdec); - return ret; } =20 void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev) { pm_runtime_disable(dev->pm.dev); - put_device(dev->pm.larbvdec); } =20 int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) @@ -122,11 +101,6 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) } } =20 - ret =3D mtk_smi_larb_get(pm->larbvdec); - if (ret) { - mtk_v4l2_err("mtk_smi_larb_get larbvdec fail %d", ret); - goto error; - } return; =20 error: @@ -139,7 +113,6 @@ void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) struct mtk_vcodec_clk *dec_clk =3D &pm->vdec_clk; int i =3D 0; =20 - mtk_smi_larb_put(pm->larbvdec); for (i =3D dec_clk->clk_num - 1; i >=3D 0; i--) clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); } diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/m= edia/platform/mtk-vcodec/mtk_vcodec_drv.h index c6c7672fecfb..64b73dd880ce 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -189,10 +189,7 @@ struct mtk_vcodec_clk { */ struct mtk_vcodec_pm { struct mtk_vcodec_clk vdec_clk; - struct device *larbvdec; - struct mtk_vcodec_clk venc_clk; - struct device *larbvenc; struct device *dev; struct mtk_vcodec_dev *mtkdev; }; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/m= edia/platform/mtk-vcodec/mtk_vcodec_enc.c index 416f356af363..9a1515cf862d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -8,7 +8,6 @@ #include #include #include -#include #include =20 #include "mtk_vcodec_drv.h" diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/driver= s/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c index 1b2e4930ed27..dffb190267ed 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c @@ -8,58 +8,36 @@ #include #include #include -#include =20 #include "mtk_vcodec_enc_pm.h" #include "mtk_vcodec_util.h" =20 int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) { - struct device_node *node; struct platform_device *pdev; struct mtk_vcodec_pm *pm; struct mtk_vcodec_clk *enc_clk; struct mtk_vcodec_clk_info *clk_info; int ret =3D 0, i =3D 0; - struct device *dev; =20 pdev =3D mtkdev->plat_dev; pm =3D &mtkdev->pm; memset(pm, 0, sizeof(struct mtk_vcodec_pm)); pm->mtkdev =3D mtkdev; pm->dev =3D &pdev->dev; - dev =3D &pdev->dev; enc_clk =3D &pm->venc_clk; =20 - node =3D of_parse_phandle(dev->of_node, "mediatek,larb", 0); - if (!node) { - mtk_v4l2_err("no mediatek,larb found"); - return -ENODEV; - } - pdev =3D of_find_device_by_node(node); - of_node_put(node); - if (!pdev) { - mtk_v4l2_err("no mediatek,larb device found"); - return -ENODEV; - } - pm->larbvenc =3D &pdev->dev; - pdev =3D mtkdev->plat_dev; - pm->dev =3D &pdev->dev; - enc_clk->clk_num =3D of_property_count_strings(pdev->dev.of_node, "clock-names"); if (enc_clk->clk_num > 0) { enc_clk->clk_info =3D devm_kcalloc(&pdev->dev, enc_clk->clk_num, sizeof(*clk_info), GFP_KERNEL); - if (!enc_clk->clk_info) { - ret =3D -ENOMEM; - goto put_larbvenc; - } + if (!enc_clk->clk_info) + return -ENOMEM; } else { mtk_v4l2_err("Failed to get venc clock count"); - ret =3D -EINVAL; - goto put_larbvenc; + return -EINVAL; } =20 for (i =3D 0; i < enc_clk->clk_num; i++) { @@ -68,29 +46,23 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkde= v) "clock-names", i, &clk_info->clk_name); if (ret) { mtk_v4l2_err("venc failed to get clk name %d", i); - goto put_larbvenc; + return ret; } clk_info->vcodec_clk =3D devm_clk_get(&pdev->dev, clk_info->clk_name); if (IS_ERR(clk_info->vcodec_clk)) { mtk_v4l2_err("venc devm_clk_get (%d)%s fail", i, clk_info->clk_name); - ret =3D PTR_ERR(clk_info->vcodec_clk); - goto put_larbvenc; + return PTR_ERR(clk_info->vcodec_clk); } } =20 return 0; - -put_larbvenc: - put_device(pm->larbvenc); - return ret; } =20 void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *mtkdev) { pm_runtime_disable(mtkdev->pm.dev); - put_device(mtkdev->pm.larbvenc); } =20 =20 @@ -108,11 +80,6 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) } } =20 - ret =3D mtk_smi_larb_get(pm->larbvenc); - if (ret) { - mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); - goto clkerr; - } return; =20 clkerr: @@ -125,7 +92,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) struct mtk_vcodec_clk *enc_clk =3D &pm->venc_clk; int i =3D 0; =20 - mtk_smi_larb_put(pm->larbvenc); for (i =3D enc_clk->clk_num - 1; i >=3D 0; i--) clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); } --=20 2.18.0