From patchwork Mon Jan 17 09:39:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WXVuZmVpIERvbmcgKOiRo+S6kemjnik=?= X-Patchwork-Id: 12715061 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CD4ACC43217 for ; Mon, 17 Jan 2022 09:40:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zVVIVwz//M6RmD//BGOGsvTLWCU8JKLT249c5W7I0Cg=; b=Sm8x+gESgAmSNv PJR9/yJ3talJWxC26ZdJ6P97K4KJlcqqzv9OFpJtg6JFZZRnO9iHslVxb6WtFU4kXXVxtGBSSCnCI iljSrAaH99TgMtH93cxOpv0IKPS2gw/fnyzWB7GhjZgijQVb4v4qNLckbus7+I9K4F7C6/aqK8wcq L2YU+ZSvIX4nnQMM6ockxWu5EJ/+uvZo3jhhZlcTHArXCcoPAz4racXJY9paQvqv8JMB1hoJJjdBM MUe2hnG39WeJ0SHkve8nNdiTkvJ56Q03oKVH0CsKRbUR8AWTCzf8gjPOjEVCuce25FhojhZFTtQQu 1wTKB9AvuHLGhbQLJLrw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n9OVO-00EHw3-FP; Mon, 17 Jan 2022 09:40:50 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n9OUl-00EHX3-6c; Mon, 17 Jan 2022 09:40:14 +0000 X-UUID: 118f8a614a8e4dcd83e59eeeb0d56bef-20220117 X-UUID: 118f8a614a8e4dcd83e59eeeb0d56bef-20220117 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1391308994; Mon, 17 Jan 2022 02:40:06 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 17 Jan 2022 01:40:06 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Mon, 17 Jan 2022 17:40:05 +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 17:40:03 +0800 From: Yunfei Dong To: Yunfei Dong , Alexandre Courbot , Hans Verkuil , "Tzung-Bi Shih" , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa CC: George Sun , Xiaoyong Lu , Hsin-Yi Wang , Fritz Koenig , Dafna Hirschfeld , Benjamin Gaignard , Daniel Vetter , dri-devel , Irui Wang , AngeloGioacchino Del Regno , Steve Cho , , , , , , , Subject: [PATCH v5, 01/15] media: mtk-vcodec: Add vdec enable/disable hardware helpers Date: Mon, 17 Jan 2022 17:39:47 +0800 Message-ID: <20220117094001.20049-2-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220117094001.20049-1-yunfei.dong@mediatek.com> References: <20220117094001.20049-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220117_014011_288943_BB5A06B9 X-CRM114-Status: GOOD ( 20.31 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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 --- .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 5 - .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 168 +++++++++++------- .../platform/mtk-vcodec/mtk_vcodec_dec_pm.h | 6 +- .../media/platform/mtk-vcodec/vdec_drv_if.c | 20 +-- .../platform/mtk-vcodec/vdec_msg_queue.c | 2 + 5 files changed, 117 insertions(+), 84 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index 86b639d82be8..6b52eaeedafa 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -195,9 +195,6 @@ 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. */ @@ -254,8 +251,6 @@ 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/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c index 44035a50e335..1581a1277473 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c @@ -79,74 +79,31 @@ 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); @@ -168,31 +125,120 @@ 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; + mtk_smi_larb_put(pm->larbvdec); + 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; - mtk_smi_larb_put(pm->larbvdec); - 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/mtk-vcodec/mtk_vcodec_dec_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h index 3cc721bbfaf6..dbcf3cabe6f3 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h +++ b/drivers/media/platform/mtk-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/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c index 05a5b240e906..c93dd0ea3537 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c +++ b/drivers/media/platform/mtk-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/mtk-vcodec/vdec_msg_queue.c b/drivers/media/platform/mtk-vcodec/vdec_msg_queue.c index 4b062a8128b4..ae500980ad45 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_msg_queue.c +++ b/drivers/media/platform/mtk-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)) {