From patchwork Fri May 6 09:28:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 570390 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 8C9C2C4321E for ; Fri, 6 May 2022 09:29:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348982AbiEFJcv (ORCPT ); Fri, 6 May 2022 05:32:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44554 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1390516AbiEFJct (ORCPT ); Fri, 6 May 2022 05:32:49 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2806664BEA; Fri, 6 May 2022 02:29:05 -0700 (PDT) X-UUID: b1610854f8324c899ba198efa27878a2-20220506 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:2ed41862-285e-404f-9af6-fc10e78759b3, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:faefae9, CLOUDID:ba5c7416-2e53-443e-b81a-655c13977218, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: b1610854f8324c899ba198efa27878a2-20220506 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1417832059; Fri, 06 May 2022 17:29:00 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Fri, 6 May 2022 17:28:58 +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, 6 May 2022 17:28:57 +0800 From: Yunfei Dong To: Yunfei Dong , Alexandre Courbot , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa CC: George Sun , Xiaoyong Lu , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , dri-devel , Irui Wang , Steve Cho , , , , , , Subject: [PATCH v11, 01/17] media: mediatek: vcodec: Add vdec enable/disable hardware helpers Date: Fri, 6 May 2022 17:28:39 +0800 Message-ID: <20220506092855.22940-2-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220506092855.22940-1-yunfei.dong@mediatek.com> References: <20220506092855.22940-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Lock, power and clock are highly coupled operations. Adds vdec enable/disable hardware helpers and uses them. Signed-off-by: Yunfei Dong Reviewed-by: Tzung-Bi Shih Reviewed-by: AngeloGioacchino Del Regno --- .../mediatek/vcodec/mtk_vcodec_dec_drv.c | 5 - .../mediatek/vcodec/mtk_vcodec_dec_pm.c | 166 +++++++++++------- .../mediatek/vcodec/mtk_vcodec_dec_pm.h | 6 +- .../platform/mediatek/vcodec/vdec_drv_if.c | 20 +-- .../platform/mediatek/vcodec/vdec_msg_queue.c | 2 + 5 files changed, 116 insertions(+), 83 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c index df7b25e9cbc8..a84df6596aaa 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c @@ -193,9 +193,6 @@ static int fops_vcodec_open(struct file *file) mtk_vcodec_dec_set_default_params(ctx); if (v4l2_fh_is_singular(&ctx->fh)) { - ret = mtk_vcodec_dec_pw_on(dev, MTK_VDEC_LAT0); - if (ret < 0) - goto err_load_fw; /* * Does nothing if firmware was already loaded. */ @@ -252,8 +249,6 @@ static int fops_vcodec_release(struct file *file) v4l2_m2m_ctx_release(ctx->m2m_ctx); mtk_vcodec_dec_release(ctx); - if (v4l2_fh_is_singular(&ctx->fh)) - mtk_vcodec_dec_pw_off(dev, MTK_VDEC_LAT0); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); v4l2_ctrl_handler_free(&ctx->ctrl_hdl); diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c index 7e0c2644bf7b..0fb7e5ba635b 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c @@ -57,74 +57,31 @@ int mtk_vcodec_init_dec_clk(struct platform_device *pdev, struct mtk_vcodec_pm * } EXPORT_SYMBOL_GPL(mtk_vcodec_init_dec_clk); -int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +static int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) { - struct mtk_vdec_hw_dev *subdev_dev; - struct mtk_vcodec_pm *pm; int ret; - if (vdec_dev->vdec_pdata->is_subdev_supported) { - subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); - if (!subdev_dev) { - mtk_v4l2_err("Failed to get hw dev\n"); - return -EINVAL; - } - pm = &subdev_dev->pm; - } else { - pm = &vdec_dev->pm; - } - ret = pm_runtime_resume_and_get(pm->dev); if (ret) mtk_v4l2_err("pm_runtime_resume_and_get fail %d", ret); return ret; } -EXPORT_SYMBOL_GPL(mtk_vcodec_dec_pw_on); -void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +static void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm) { - struct mtk_vdec_hw_dev *subdev_dev; - struct mtk_vcodec_pm *pm; int ret; - if (vdec_dev->vdec_pdata->is_subdev_supported) { - subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); - if (!subdev_dev) { - mtk_v4l2_err("Failed to get hw dev\n"); - return; - } - pm = &subdev_dev->pm; - } else { - pm = &vdec_dev->pm; - } - ret = pm_runtime_put_sync(pm->dev); if (ret) mtk_v4l2_err("pm_runtime_put_sync fail %d", ret); } -EXPORT_SYMBOL_GPL(mtk_vcodec_dec_pw_off); -void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +static void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) { - struct mtk_vdec_hw_dev *subdev_dev; - struct mtk_vcodec_pm *pm; struct mtk_vcodec_clk *dec_clk; int ret, i; - if (vdec_dev->vdec_pdata->is_subdev_supported) { - subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); - if (!subdev_dev) { - mtk_v4l2_err("Failed to get hw dev\n"); - return; - } - pm = &subdev_dev->pm; - enable_irq(subdev_dev->dec_irq); - } else { - pm = &vdec_dev->pm; - enable_irq(vdec_dev->dec_irq); - } - dec_clk = &pm->vdec_clk; for (i = 0; i < dec_clk->clk_num; i++) { ret = clk_prepare_enable(dec_clk->clk_info[i].vcodec_clk); @@ -140,30 +97,119 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx) for (i -= 1; i >= 0; i--) clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); } -EXPORT_SYMBOL_GPL(mtk_vcodec_dec_clock_on); -void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +static void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) { - struct mtk_vdec_hw_dev *subdev_dev; - struct mtk_vcodec_pm *pm; struct mtk_vcodec_clk *dec_clk; int i; + dec_clk = &pm->vdec_clk; + for (i = dec_clk->clk_num - 1; i >= 0; i--) + clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); +} + +static void mtk_vcodec_dec_enable_irq(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +{ + struct mtk_vdec_hw_dev *subdev_dev; + + if (!test_bit(hw_idx, vdec_dev->subdev_bitmap)) + return; + if (vdec_dev->vdec_pdata->is_subdev_supported) { subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); - if (!subdev_dev) { + if (subdev_dev) + enable_irq(subdev_dev->dec_irq); + else + mtk_v4l2_err("Failed to get hw dev\n"); + } else { + enable_irq(vdec_dev->dec_irq); + } +} + +static void mtk_vcodec_dec_disable_irq(struct mtk_vcodec_dev *vdec_dev, int hw_idx) +{ + struct mtk_vdec_hw_dev *subdev_dev; + + if (!test_bit(hw_idx, vdec_dev->subdev_bitmap)) + return; + + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (subdev_dev) + disable_irq(subdev_dev->dec_irq); + else mtk_v4l2_err("Failed to get hw dev\n"); - return; - } - pm = &subdev_dev->pm; - disable_irq(subdev_dev->dec_irq); } else { - pm = &vdec_dev->pm; disable_irq(vdec_dev->dec_irq); } +} - dec_clk = &pm->vdec_clk; - for (i = dec_clk->clk_num - 1; i >= 0; i--) - clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); +static struct mtk_vcodec_pm *mtk_vcodec_dec_get_pm(struct mtk_vcodec_dev *vdec_dev, + int hw_idx) +{ + struct mtk_vdec_hw_dev *subdev_dev; + + if (!test_bit(hw_idx, vdec_dev->subdev_bitmap)) + return NULL; + + if (vdec_dev->vdec_pdata->is_subdev_supported) { + subdev_dev = mtk_vcodec_get_hw_dev(vdec_dev, hw_idx); + if (subdev_dev) + return &subdev_dev->pm; + + mtk_v4l2_err("Failed to get hw dev\n"); + return NULL; + } + + return &vdec_dev->pm; +} + +static void mtk_vcodec_dec_child_dev_on(struct mtk_vcodec_dev *vdec_dev, + int hw_idx) +{ + struct mtk_vcodec_pm *pm; + + pm = mtk_vcodec_dec_get_pm(vdec_dev, hw_idx); + if (pm) { + mtk_vcodec_dec_pw_on(pm); + mtk_vcodec_dec_clock_on(pm); + } +} + +static void mtk_vcodec_dec_child_dev_off(struct mtk_vcodec_dev *vdec_dev, + int hw_idx) +{ + struct mtk_vcodec_pm *pm; + + pm = mtk_vcodec_dec_get_pm(vdec_dev, hw_idx); + if (pm) { + mtk_vcodec_dec_clock_off(pm); + mtk_vcodec_dec_pw_off(pm); + } +} + +void mtk_vcodec_dec_enable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx) +{ + mutex_lock(&ctx->dev->dec_mutex[hw_idx]); + + if (IS_VDEC_LAT_ARCH(ctx->dev->vdec_pdata->hw_arch) && + hw_idx == MTK_VDEC_CORE) + mtk_vcodec_dec_child_dev_on(ctx->dev, MTK_VDEC_LAT0); + mtk_vcodec_dec_child_dev_on(ctx->dev, hw_idx); + + mtk_vcodec_dec_enable_irq(ctx->dev, hw_idx); +} +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_enable_hardware); + +void mtk_vcodec_dec_disable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx) +{ + mtk_vcodec_dec_disable_irq(ctx->dev, hw_idx); + + mtk_vcodec_dec_child_dev_off(ctx->dev, hw_idx); + if (IS_VDEC_LAT_ARCH(ctx->dev->vdec_pdata->hw_arch) && + hw_idx == MTK_VDEC_CORE) + mtk_vcodec_dec_child_dev_off(ctx->dev, MTK_VDEC_LAT0); + + mutex_unlock(&ctx->dev->dec_mutex[hw_idx]); } -EXPORT_SYMBOL_GPL(mtk_vcodec_dec_clock_off); +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_disable_hardware); diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.h index 3cc721bbfaf6..dbcf3cabe6f3 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.h +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.h @@ -11,9 +11,7 @@ int mtk_vcodec_init_dec_clk(struct platform_device *pdev, struct mtk_vcodec_pm *pm); -int mtk_vcodec_dec_pw_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx); -void mtk_vcodec_dec_pw_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx); -void mtk_vcodec_dec_clock_on(struct mtk_vcodec_dev *vdec_dev, int hw_idx); -void mtk_vcodec_dec_clock_off(struct mtk_vcodec_dev *vdec_dev, int hw_idx); +void mtk_vcodec_dec_enable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx); +void mtk_vcodec_dec_disable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx); #endif /* _MTK_VCODEC_DEC_PM_H_ */ diff --git a/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c b/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c index 05a5b240e906..c93dd0ea3537 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c +++ b/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c @@ -38,11 +38,9 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) return -EINVAL; } - mtk_vdec_lock(ctx); - mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); + mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id); ret = ctx->dec_if->init(ctx); - mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); - mtk_vdec_unlock(ctx); + mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id); return ret; } @@ -70,15 +68,11 @@ int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs, if (!ctx->drv_handle) return -EIO; - mtk_vdec_lock(ctx); - + mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id); mtk_vcodec_set_curr_ctx(ctx->dev, ctx, ctx->hw_id); - mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg); - mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); mtk_vcodec_set_curr_ctx(ctx->dev, NULL, ctx->hw_id); - - mtk_vdec_unlock(ctx); + mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id); return ret; } @@ -103,11 +97,9 @@ void vdec_if_deinit(struct mtk_vcodec_ctx *ctx) if (!ctx->drv_handle) return; - mtk_vdec_lock(ctx); - mtk_vcodec_dec_clock_on(ctx->dev, ctx->hw_id); + mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id); ctx->dec_if->deinit(ctx->drv_handle); - mtk_vcodec_dec_clock_off(ctx->dev, ctx->hw_id); - mtk_vdec_unlock(ctx); + mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id); ctx->drv_handle = NULL; } diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c index 4b062a8128b4..ae500980ad45 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c @@ -212,11 +212,13 @@ static void vdec_msg_queue_core_work(struct work_struct *work) return; ctx = lat_buf->ctx; + mtk_vcodec_dec_enable_hardware(ctx, MTK_VDEC_CORE); mtk_vcodec_set_curr_ctx(dev, ctx, MTK_VDEC_CORE); lat_buf->core_decode(lat_buf); mtk_vcodec_set_curr_ctx(dev, NULL, MTK_VDEC_CORE); + mtk_vcodec_dec_disable_hardware(ctx, MTK_VDEC_CORE); vdec_msg_queue_qbuf(&ctx->msg_queue.lat_ctx, lat_buf); if (!list_empty(&ctx->msg_queue.lat_ctx.ready_queue)) {