From patchwork Wed Jul 7 06:21:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 471507 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=unavailable 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 E35A9C07E9C for ; Wed, 7 Jul 2021 06:22:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C770761CB3 for ; Wed, 7 Jul 2021 06:22:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230432AbhGGGZT (ORCPT ); Wed, 7 Jul 2021 02:25:19 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:49974 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S230351AbhGGGZO (ORCPT ); Wed, 7 Jul 2021 02:25:14 -0400 X-UUID: 2eee5894e9b04169bd6175bc9ca8f6b9-20210707 X-UUID: 2eee5894e9b04169bd6175bc9ca8f6b9-20210707 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 283410174; Wed, 07 Jul 2021 14:22:32 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 7 Jul 2021 14:22:29 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 7 Jul 2021 14:22:27 +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: Hsin-Yi Wang , Fritz Koenig , Irui Wang , , , , , , , Subject: [PATCH v1, 10/14] media: mtk-vcodec: Add core thread Date: Wed, 7 Jul 2021 14:21:53 +0800 Message-ID: <20210707062157.21176-11-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210707062157.21176-1-yunfei.dong@mediatek.com> References: <20210707062157.21176-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Core thread: 1. Gets lat_buf from core msg queue. 2. Proceeds core decode. 3. Puts the lat_buf back to lat msg queue. Both H264 and VP9 rely on the core thread. Signed-off-by: Yunfei Dong --- .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 9 ++++++ .../platform/mtk-vcodec/mtk_vcodec_drv.h | 2 ++ .../platform/mtk-vcodec/vdec_msg_queue.c | 32 +++++++++++++++++++ .../platform/mtk-vcodec/vdec_msg_queue.h | 6 ++++ 4 files changed, 49 insertions(+) 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 f156a943ca62..1bcb070ef947 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -423,6 +423,15 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_res; } + if (VDEC_LAT_ARCH(dev->vdec_pdata->hw_arch)) { + init_waitqueue_head(&dev->core_read); + INIT_LIST_HEAD(&dev->core_queue); + spin_lock_init(&dev->core_lock); + dev->kthread_core = kthread_run(vdec_msg_queue_core_thead, dev, + "mtk-%s", "core"); + dev->num_core = 0; + } + for (i = 0; i < MTK_VDEC_HW_MAX; i++) mutex_init(&dev->dec_mutex[i]); mutex_init(&dev->dev_mutex); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 68b3fbcd95b0..9a2a3821d4e1 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -34,6 +34,7 @@ #define MTK_VCODEC_MAX_PLANES 3 #define MTK_V4L2_BENCHMARK 0 #define WAIT_INTR_TIMEOUT_MS 1000 +#define VDEC_LAT_ARCH(hw_arch) ((hw_arch) >= MTK_VDEC_LAT_SINGLE_CORE) /* * enum mtk_hw_reg_idx - MTK hw register base index @@ -519,6 +520,7 @@ struct mtk_vcodec_dev { struct device_node *component_node[MTK_VDEC_HW_MAX]; int comp_idx; + struct task_struct *kthread_core; wait_queue_head_t core_read; struct list_head core_queue; spinlock_t core_lock; diff --git a/drivers/media/platform/mtk-vcodec/vdec_msg_queue.c b/drivers/media/platform/mtk-vcodec/vdec_msg_queue.c index 9d684e5f051c..4841b7c17c41 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_msg_queue.c +++ b/drivers/media/platform/mtk-vcodec/vdec_msg_queue.c @@ -232,3 +232,35 @@ void vdec_msg_queue_deinit( msg_queue->init_done = false; } + +int vdec_msg_queue_core_thead(void *data) +{ + struct mtk_vcodec_dev *dev = data; + struct vdec_lat_buf *lat_buf; + struct mtk_vcodec_ctx *ctx; + + set_freezable(); + for (;;) { + try_to_freeze(); + if (kthread_should_stop()) + break; + + lat_buf = vdec_msg_queue_get_core_buf(dev); + if (!lat_buf) + continue; + + ctx = lat_buf->ctx; + mtk_vcodec_set_curr_ctx(dev, ctx, MTK_VDEC_CORE); + + if (!lat_buf->core_decode) + mtk_v4l2_err("Core decode callback func is NULL"); + else + lat_buf->core_decode(lat_buf); + + mtk_vcodec_set_curr_ctx(dev, NULL, MTK_VDEC_CORE); + vdec_msg_queue_buf_to_lat(lat_buf); + } + + mtk_v4l2_debug(3, "Video Capture Thread End"); + return 0; +} diff --git a/drivers/media/platform/mtk-vcodec/vdec_msg_queue.h b/drivers/media/platform/mtk-vcodec/vdec_msg_queue.h index 62261702c464..dba127843f14 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_msg_queue.h +++ b/drivers/media/platform/mtk-vcodec/vdec_msg_queue.h @@ -127,4 +127,10 @@ void vdec_msg_queue_deinit( struct mtk_vcodec_ctx *ctx, struct vdec_msg_queue *msg_queue); +/** + * vdec_msg_queue_core_thead - used for core decoder. + * @data: private data used for each codec + */ +int vdec_msg_queue_core_thead(void *data); + #endif