From nobody Fri Sep 20 12:41:38 2024 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 A9F8FC46CA1 for ; Mon, 18 Sep 2023 08:43:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240861AbjIRInI (ORCPT ); Mon, 18 Sep 2023 04:43:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240670AbjIRIma (ORCPT ); Mon, 18 Sep 2023 04:42:30 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3E5AF99 for ; Mon, 18 Sep 2023 01:42:18 -0700 (PDT) X-UUID: 432df7f255ff11eea33bb35ae8d461a2-20230918 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=hMROI+KyTxkRwOY6Y2Mkyb4j/NIBOwy1O3mAhVSp7Zc=; b=FwyynsLVp4BC86n4vzIrnTq2E8QhjLo8X4+w/4n0teEKg+0IPrGza5AqQa3e9zmien6nn4qoM1JmiXVnWrdPBvbssAsqaXaSw6fr08x7WYHdx5H3VfBbK7JGISZRT12wDnO3JwyluHYK1lrkaxB3e1XU75yTL/oFUZn2iUmX/qU=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31,REQID:7ce2deef-ef74-4a7d-bd76-7f9ec9da3e27,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:0ad78a4,CLOUDID:9aefd2ef-9a6e-4c39-b73e-f2bc08ca3dc5,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,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 432df7f255ff11eea33bb35ae8d461a2-20230918 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 822502823; Mon, 18 Sep 2023 16:42:12 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 18 Sep 2023 16:42:10 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 18 Sep 2023 16:42:10 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Matthias Brugger CC: Daniel Vetter , David Airlie , "Philipp Zabel" , Chen-Yu Tsai , CK Hu , , , , , Hsiao Chien Sung Subject: [PATCH v2 02/11] soc: mediatek: Support GCE jump to absolute Date: Mon, 18 Sep 2023 16:41:58 +0800 Message-ID: <20230918084207.23604-3-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230918084207.23604-1-shawn.sung@mediatek.com> References: <20230918084207.23604-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--1.545900-8.000000 X-TMASE-MatchedRID: wDTc/wNgEcMLazoQyrpm0huZoNKc6pl+X4GSJGyYc35GL0g1nVmkYXB4 4IkzjfYywLMNNIlHL0L9Id3tL+hFwoS2KcusOPFAoMfp2vHck9XzWEMQjooUzaVznMmzBIHPsKF vJaID/xQ8ivFkadaiTfvQCPiy8IEcHxPMjOKY7A8LbigRnpKlKZx+7GyJjhAUMTh4vIBXfjEjwV wu7UGckDtnB9jUmlXAF8gvGd3ATIXcs08IJF1Ww1GPJeBexK4PXDRlFVZzjO/EDk7r56pdm/luA qyqxuxoSZrfNhP3sgUBh9AgBSEFrJm+YJspVvj2xkvrHlT8euI+kK598Yf3Mg== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.545900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 0FA05998AD91C59151682AED4596AD464A18BD4B332223096FD5D3E87DD8428E2000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add a new API to jump to the head of cmdq packet by appending a jump command at the end of it. Signed-off-by: Hsiao Chien Sung --- drivers/soc/mediatek/mtk-cmdq-helper.c | 16 ++++++++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/= mtk-cmdq-helper.c index b0cd071c4719..e029ce231df1 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -441,4 +441,20 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt) } EXPORT_SYMBOL(cmdq_pkt_flush_async); =20 +int cmdq_pkt_jump_absolute(struct cmdq_pkt *pkt) +{ + struct cmdq_instruction inst =3D { 0 }; + u8 shift_pa; + + shift_pa =3D cmdq_get_shift_pa(((struct cmdq_client *)pkt->cl)->chan); + + /* jump to head of the packet */ + inst.op =3D CMDQ_CODE_JUMP; + inst.offset =3D CMDQ_JUMP_RELATIVE; + inst.value =3D pkt->pa_base >> shift_pa; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_jump_absolute); + MODULE_LICENSE("GPL v2"); diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/medi= atek/mtk-cmdq.h index a253c001c861..106988cc5f01 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -276,6 +276,8 @@ int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr= ); */ int cmdq_pkt_finalize(struct cmdq_pkt *pkt); =20 +int cmdq_pkt_jump_absolute(struct cmdq_pkt *pkt); + /** * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ * packet and call back at the end of done packet --=20 2.18.0