From patchwork Wed Feb 1 07:33:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 650772 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 15177C636D4 for ; Wed, 1 Feb 2023 07:33:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229940AbjBAHdj (ORCPT ); Wed, 1 Feb 2023 02:33:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231841AbjBAHdh (ORCPT ); Wed, 1 Feb 2023 02:33:37 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29B3118B00; Tue, 31 Jan 2023 23:33:32 -0800 (PST) X-UUID: b7940dc2a20211eda06fc9ecc4dadd91-20230201 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=VGOhPn9WiWW6pB8TKxx2qIP4+8wsLCqYE4xeDwAEtJ4=; b=qT1993y0I3RvxMNc7KjeboxE9amQ0jYnRrshcmu3RYjCQHwbgcSredDWXppRfFl4eIfC1T0EKilEMU0/4pD7ETBdjX5pZ+mNpNKa3IeC7kfVCItWFt/fycrbvc5tiHppIGIJoYWlXu6u8ONxBtx9AIXLR6d1krBAwVi1r2oaHtM=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.18, REQID:e546e14d-a9e7-444b-8735-7d77946e8034, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:3ca2d6b, CLOUDID:6ba58f8d-8530-4eff-9f77-222cf6e2895b, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0 X-CID-BVR: 0,NGT X-UUID: b7940dc2a20211eda06fc9ecc4dadd91-20230201 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 611283494; Wed, 01 Feb 2023 15:33:27 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Wed, 1 Feb 2023 15:33:25 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Wed, 1 Feb 2023 15:33:24 +0800 From: Yunfei Dong To: Yunfei Dong , Chen-Yu Tsai , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , Tiffany Lin CC: Mauro Carvalho Chehab , Matthias Brugger , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , , , , , , Subject: [PATCH v4,6/7] media: mediatek: vcodec: making sure queue_work successfully Date: Wed, 1 Feb 2023 15:33:15 +0800 Message-ID: <20230201073316.27923-7-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230201073316.27923-1-yunfei.dong@mediatek.com> References: <20230201073316.27923-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Putting core work to work queue using queue_work maybe fail, call queue_work again when the count of core work in work queue is less than core_list_cnt, making sure all the buffer in core list can be scheduled. Fixes: 365e4ba01df4 ("media: mtk-vcodec: Add work queue for core hardware decode") Signed-off-by: Yunfei Dong --- .../platform/mediatek/vcodec/vdec_msg_queue.c | 31 ++++++++++++++----- .../platform/mediatek/vcodec/vdec_msg_queue.h | 2 ++ 2 files changed, 25 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c index cdc539a46cb9..f3073d1e7f42 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c @@ -71,6 +71,7 @@ static void vdec_msg_queue_dec(struct vdec_msg_queue *msg_queue, int hardware_in int vdec_msg_queue_qbuf(struct vdec_msg_queue_ctx *msg_ctx, struct vdec_lat_buf *buf) { struct list_head *head; + int status; head = vdec_get_buf_list(msg_ctx->hardware_index, buf); if (!head) { @@ -83,11 +84,17 @@ int vdec_msg_queue_qbuf(struct vdec_msg_queue_ctx *msg_ctx, struct vdec_lat_buf msg_ctx->ready_num++; vdec_msg_queue_inc(&buf->ctx->msg_queue, msg_ctx->hardware_index); - if (msg_ctx->hardware_index != MTK_VDEC_CORE) + if (msg_ctx->hardware_index != MTK_VDEC_CORE) { wake_up_all(&msg_ctx->ready_to_use); - else - queue_work(buf->ctx->dev->core_workqueue, - &buf->ctx->msg_queue.core_work); + } else { + if (buf->ctx->msg_queue.core_work_cnt < + atomic_read(&buf->ctx->msg_queue.core_list_cnt)) { + status = queue_work(buf->ctx->dev->core_workqueue, + &buf->ctx->msg_queue.core_work); + if (status) + buf->ctx->msg_queue.core_work_cnt++; + } + } mtk_v4l2_debug(3, "enqueue buf type: %d addr: 0x%p num: %d", msg_ctx->hardware_index, buf, msg_ctx->ready_num); @@ -254,6 +261,7 @@ static void vdec_msg_queue_core_work(struct work_struct *work) container_of(msg_queue, struct mtk_vcodec_ctx, msg_queue); struct mtk_vcodec_dev *dev = ctx->dev; struct vdec_lat_buf *lat_buf; + int status; lat_buf = vdec_msg_queue_dqbuf(&dev->msg_queue_core_ctx); if (!lat_buf) @@ -270,11 +278,17 @@ static void vdec_msg_queue_core_work(struct work_struct *work) vdec_msg_queue_qbuf(&ctx->msg_queue.lat_ctx, lat_buf); wake_up_all(&ctx->msg_queue.core_dec_done); - if (atomic_read(&lat_buf->ctx->msg_queue.core_list_cnt)) { - mtk_v4l2_debug(3, "re-schedule to decode for core: %d", - dev->msg_queue_core_ctx.ready_num); - queue_work(dev->core_workqueue, &msg_queue->core_work); + spin_lock(&dev->msg_queue_core_ctx.ready_lock); + lat_buf->ctx->msg_queue.core_work_cnt--; + + if (lat_buf->ctx->msg_queue.core_work_cnt < + atomic_read(&lat_buf->ctx->msg_queue.core_list_cnt)) { + status = queue_work(lat_buf->ctx->dev->core_workqueue, + &lat_buf->ctx->msg_queue.core_work); + if (status) + lat_buf->ctx->msg_queue.core_work_cnt++; } + spin_unlock(&dev->msg_queue_core_ctx.ready_lock); } int vdec_msg_queue_init(struct vdec_msg_queue *msg_queue, @@ -289,6 +303,7 @@ int vdec_msg_queue_init(struct vdec_msg_queue *msg_queue, return 0; msg_queue->ctx = ctx; + msg_queue->core_work_cnt = 0; vdec_msg_queue_init_ctx(&msg_queue->lat_ctx, MTK_VDEC_LAT0); INIT_WORK(&msg_queue->core_work, vdec_msg_queue_core_work); diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h index a75c04418f52..a5d44bc97c16 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h @@ -77,6 +77,7 @@ struct vdec_lat_buf { * @lat_list_cnt: used to record each instance lat list count * @core_list_cnt: used to record each instance core list count * @core_dec_done: core work queue decode done event + * @core_work_cnt: the number of core work in work queue */ struct vdec_msg_queue { struct vdec_lat_buf lat_buf[NUM_BUFFER_COUNT]; @@ -92,6 +93,7 @@ struct vdec_msg_queue { atomic_t lat_list_cnt; atomic_t core_list_cnt; wait_queue_head_t core_dec_done; + int core_work_cnt; }; /**