From patchwork Mon Apr 17 05:48:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 674023 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 C1496C77B7C for ; Mon, 17 Apr 2023 05:48:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230013AbjDQFsp (ORCPT ); Mon, 17 Apr 2023 01:48:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229714AbjDQFse (ORCPT ); Mon, 17 Apr 2023 01:48:34 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDB222D53; Sun, 16 Apr 2023 22:48:31 -0700 (PDT) X-UUID: 76e50d14dce311edb6b9f13eb10bd0fe-20230417 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=evN9xZCZvjRr2LmWObtcQ1clFFzMEwGr+YwDtbo46qg=; b=UBleIO6quj49sL2K80w6yvIg5a2vxMUm4snwJuRmYedQZ8UE205uVRVyy+g/ulmk5LjnR4Q0FL985ClBzI13d+XbKZptuWhwrOEBpTIQkLxyWwg3ET2H/5iyKSZexu+1ifsZ/yf0hNoc0iBbWXREY9dleXE50b+5+Av3smw/Fz0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22, REQID:0c5d9e48-34a0-426e-8f1c-b14e347f19e5, 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:120426c, CLOUDID:950e4884-cd9c-45f5-8134-710979e3df0e, 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,AV:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-UUID: 76e50d14dce311edb6b9f13eb10bd0fe-20230417 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1582646858; Mon, 17 Apr 2023 13:48:22 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Mon, 17 Apr 2023 13:48:21 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Mon, 17 Apr 2023 13:48:20 +0800 From: Yunfei Dong To: Chen-Yu Tsai , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , =?utf-8?q?N=C3=ADcolas?= =?utf-8?q?_F_=2E_R_=2E_A_=2E_Prado?= , Yunfei Dong CC: Matthias Brugger , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , , , , , , Subject: [PATCH 3/6] media: mediatek: vcodec: using decoder status instead of core work count Date: Mon, 17 Apr 2023 13:48:13 +0800 Message-ID: <20230417054816.17097-4-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230417054816.17097-1-yunfei.dong@mediatek.com> References: <20230417054816.17097-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org core_work_cnt is the number of core work queued to work queue, the control is very complex, leading to some unreasonable test result. Using parameter status to indicate whether queue core work to work queue. Fixes: 2e0ef56d81cb ("media: mediatek: vcodec: making sure queue_work successfully") Signed-off-by: Yunfei Dong --- .../platform/mediatek/vcodec/vdec_msg_queue.c | 33 ++++++++----------- .../platform/mediatek/vcodec/vdec_msg_queue.h | 4 +-- 2 files changed, 16 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c index f3073d1e7f42..03f8d7cd8edd 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c @@ -71,7 +71,6 @@ 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) { @@ -87,12 +86,9 @@ int vdec_msg_queue_qbuf(struct vdec_msg_queue_ctx *msg_ctx, struct vdec_lat_buf if (msg_ctx->hardware_index != MTK_VDEC_CORE) { wake_up_all(&msg_ctx->ready_to_use); } 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++; + if (!(buf->ctx->msg_queue.status & CONTEXT_LIST_QUEUED)) { + queue_work(buf->ctx->dev->core_workqueue, &buf->ctx->msg_queue.core_work); + buf->ctx->msg_queue.status |= CONTEXT_LIST_QUEUED; } } @@ -261,7 +257,10 @@ 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; + + spin_lock(&ctx->dev->msg_queue_core_ctx.ready_lock); + ctx->msg_queue.status &= ~CONTEXT_LIST_QUEUED; + spin_unlock(&ctx->dev->msg_queue_core_ctx.ready_lock); lat_buf = vdec_msg_queue_dqbuf(&dev->msg_queue_core_ctx); if (!lat_buf) @@ -278,17 +277,13 @@ 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); - 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++; + if (!(ctx->msg_queue.status & CONTEXT_LIST_QUEUED) && + atomic_read(&msg_queue->core_list_cnt)) { + spin_lock(&ctx->dev->msg_queue_core_ctx.ready_lock); + ctx->msg_queue.status |= CONTEXT_LIST_QUEUED; + spin_unlock(&ctx->dev->msg_queue_core_ctx.ready_lock); + queue_work(ctx->dev->core_workqueue, &msg_queue->core_work); } - spin_unlock(&dev->msg_queue_core_ctx.ready_lock); } int vdec_msg_queue_init(struct vdec_msg_queue *msg_queue, @@ -303,13 +298,13 @@ 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); atomic_set(&msg_queue->lat_list_cnt, 0); atomic_set(&msg_queue->core_list_cnt, 0); init_waitqueue_head(&msg_queue->core_dec_done); + msg_queue->status = CONTEXT_LIST_EMPTY; msg_queue->wdma_addr.size = vde_msg_queue_get_trans_size(ctx->picinfo.buf_w, diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h index 19508be08566..a21ee3aece5c 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h @@ -84,7 +84,7 @@ 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 + * @status: current context decode status for core hardware */ struct vdec_msg_queue { struct vdec_lat_buf lat_buf[NUM_BUFFER_COUNT]; @@ -100,7 +100,7 @@ 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; + int status; }; /**