From patchwork Tue Apr 4 08:10:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 13199249 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 AB8D4C77B71 for ; Tue, 4 Apr 2023 08:11:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234065AbjDDILX (ORCPT ); Tue, 4 Apr 2023 04:11:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233615AbjDDILU (ORCPT ); Tue, 4 Apr 2023 04:11:20 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E4C51BE8; Tue, 4 Apr 2023 01:11:14 -0700 (PDT) X-UUID: 41606c74d2c011eda9a90f0bb45854f4-20230404 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=/DpYTGcQ4lnUwscOLctMZmlL/GOb9LIojGcT0W09m4o=; b=j6TcfuZN547YzbYdqEc16FNvtH++qM3pGP1uW70TlLCiKu5FBtxSRJb7VejsnTjwLnygmDCdiZNojf2Gl6d0kbqM3eXT05WeVz6ycc0jjWRQPe5rBByjTDCXThe8jMzI8u9SRq57vDdqBoCH55rl6KeeO/xNbt0nlgznSZqJQ4Q=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:c388e56b-83b3-4d44-b5e3-8b9468dbd270,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:120426c,CLOUDID:f4b236b5-beed-4dfc-bd9c-e1b22fa6ccc4,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: 41606c74d2c011eda9a90f0bb45854f4-20230404 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 61081210; Tue, 04 Apr 2023 16:11:09 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Tue, 4 Apr 2023 16:11:07 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Tue, 4 Apr 2023 16:11:06 +0800 From: Yunfei Dong To: Yunfei Dong , 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?= CC: Matthias Brugger , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , , , , , , Subject: [PATCH v4,4/8] media: mediatek: vcodec: Get each context resolution information Date: Tue, 4 Apr 2023 16:10:58 +0800 Message-ID: <20230404081102.30713-5-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230404081102.30713-1-yunfei.dong@mediatek.com> References: <20230404081102.30713-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Will store the string to temp buffer like "echo '-picinfo' > vdec" when user want to get needed information. Then getting debug information using command 'cat vdec' calling mtk_vdec_dbgfs_read to analysis the temp buffer. Signed-off-by: Yunfei Dong --- .../mediatek/vcodec/mtk_vcodec_dbgfs.c | 42 +++++++++++++++++++ .../mediatek/vcodec/mtk_vcodec_dbgfs.h | 8 ++++ 2 files changed, 50 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c index 4aade064af96..a47005e0bc16 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c @@ -27,9 +27,51 @@ static ssize_t mtk_vdec_dbgfs_write(struct file *filp, const char __user *ubuf, return len; } +static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct mtk_vcodec_dev *vcodec_dev = filp->private_data; + struct mtk_vcodec_dbgfs *dbgfs = &vcodec_dev->dbgfs; + struct mtk_vcodec_dbgfs_inst *dbgfs_inst; + struct mtk_vcodec_ctx *ctx; + int total_len = 200 * (dbgfs->inst_count == 0 ? 1 : dbgfs->inst_count); + int used_len = 0, curr_len, ret; + bool dbgfs_index[MTK_VDEC_DBGFS_MAX] = {0}; + char *buf = kmalloc(total_len, GFP_KERNEL); + + if (!buf) + return -ENOMEM; + + if (strstr(dbgfs->dbgfs_buf, "-picinfo")) + dbgfs_index[MTK_VDEC_DBGFS_PICINFO] = true; + + mutex_lock(&dbgfs->dbgfs_lock); + list_for_each_entry(dbgfs_inst, &dbgfs->dbgfs_head, node) { + ctx = dbgfs_inst->vcodec_ctx; + + curr_len = snprintf(buf + used_len, total_len - used_len, + "inst[%d]:\n ", ctx->id); + used_len += curr_len; + + if (dbgfs_index[MTK_VDEC_DBGFS_PICINFO]) { + curr_len = snprintf(buf + used_len, total_len - used_len, + "\treal(%dx%d)=>align(%dx%d)\n", + ctx->picinfo.pic_w, ctx->picinfo.pic_h, + ctx->picinfo.buf_w, ctx->picinfo.buf_h); + used_len += curr_len; + } + } + mutex_unlock(&dbgfs->dbgfs_lock); + + ret = simple_read_from_buffer(ubuf, count, ppos, buf, used_len); + kfree(buf); + return ret; +} + static const struct file_operations vdec_fops = { .open = simple_open, .write = mtk_vdec_dbgfs_write, + .read = mtk_vdec_dbgfs_read, }; void mtk_vcodec_dbgfs_create(struct mtk_vcodec_ctx *ctx) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h index 9df760475684..da61b2dffe29 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h @@ -10,6 +10,14 @@ struct mtk_vcodec_dev; struct mtk_vcodec_ctx; +/* + * enum mtk_vdec_dbgfs_log_index - used to get different debug information + */ +enum mtk_vdec_dbgfs_log_index { + MTK_VDEC_DBGFS_PICINFO, + MTK_VDEC_DBGFS_MAX, +}; + /** * struct mtk_vcodec_dbgfs_inst - debugfs information for each inst * @node: list node for each inst