From patchwork Mon Mar 27 05:53:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 13188651 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 48CF5C76195 for ; Mon, 27 Mar 2023 06:15:20 +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=ZXbMyk8zuKUogCBMfxFdbhCKTwfm6qEdlptIm1pGnZE=; b=BoR3ilwObX19EA 69cypqVuLepTEJky/V1CYzlph+fZXhwNO7viUJ99lD1oEnEgAQVgYmQw7d0ZRHijph7h7lVEf39Sq zOI2ghlE0AZ31aZbcY3WJ5J6FWdMbDERqt5wqVPR4SQkcZm3I/4d8aOrf/Lq/VC1Ehp8GivNoiF/c mfyH176zRF+YXHi6M0tf1tRA304OlP7HZ5jwyYwV+TxBuXelliN7nIZoVOuXTuK4+P0BjZp2Rr+Al 8V9rIgmSGDA5gPBpikKMQUBKgl+8Iqhi5uw87SoFgjWhgnLW8C41bSTz4qtS91/CwL6ELGucfDn8+ 7Vy3SgJJlOYxFqF7ARyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgg7V-009wKp-0c; Mon, 27 Mar 2023 06:14:17 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgg7R-009wK7-08; Mon, 27 Mar 2023 06:14:14 +0000 X-UUID: 9692e6dccc6611ed8687db9d93187ff1-20230326 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=kIK+VxG9R9L012B3txVH0rvn15mcAltpJ1WDR1RfE/Y=; b=FuhWfPqQjUe4Mwb5Kw7NOed6di3pfM2akNhaDrWjq4zWkSxxuwbgC+kp2CtBgTZZN5GgEciWmdmjoMbC4t0zW8bCAEisApjDBG9Nstey/PR6NDAIzhKpFttUIXzwh9hSTO33dvSmry22ekKxK80NJB2HwSmUpeXPGeZTLkVEOUw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:c8f33bea-a3b0-43e0-b475-58a618697c7f,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:61389529-564d-42d9-9875-7c868ee415ec,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: 9692e6dccc6611ed8687db9d93187ff1-20230326 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 902564205; Sun, 26 Mar 2023 23:14:10 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Mon, 27 Mar 2023 13:53:32 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Mon, 27 Mar 2023 13:53:31 +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 v3,4/7] media: mediatek: vcodec: Get each context resolution information Date: Mon, 27 Mar 2023 13:53:12 +0800 Message-ID: <20230327055315.13936-5-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230327055315.13936-1-yunfei.dong@mediatek.com> References: <20230327055315.13936-1-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-20230326_231413_085899_F9674B7D X-CRM114-Status: GOOD ( 12.56 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 | 44 +++++++++++++++++++ .../mediatek/vcodec/mtk_vcodec_dbgfs.h | 8 ++++ 2 files changed, 52 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c index 49f0891e4923..19a1dc068efd 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c @@ -27,9 +27,53 @@ 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 = 100 * (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); + + buf[used_len + 1] = '\0'; + 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