From mboxrd@z Thu Jan 1 00:00:00 1970 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 A17C6C3ABBC for ; Mon, 12 May 2025 10:00:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LsUsN4EE5EwB/+2KLgvOGcHLR+PqfABnnnddFvs+ZRY=; b=XyF1uO4hy6OUrfFS3N7wQal2By c28DbjeTEiwBdB0LkpQMj11K2dmS7qwwhw+oSCMHkNmnlu7PPzebCMIqYEvg3JMVpiHIMQbzIkzVQ 3hUzm+98fi05fOvGup+orLS1yaeI2w1mBmoXAmekHjaymjglWUDU0jBWT01TQfsTbw0ncvlgFU0mo C+cXcK2nJ0jVFSeBjOwV0g2Rv7EbWXRhN3i4h27vO4FUZmSF6xcDhaDzcOpQ/1dMlfa88U0olG9Iy LUIqWzcIrFCMx5PodnepnFfFlsZJkY/AEHensAbZ9Rr94xAobwepLmVgzIiYDKx5RfAXNtls9Q4YH PDH4dntg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uEPxG-000000092pC-2lSd; Mon, 12 May 2025 10:00:14 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uEPNL-00000008uLf-3r20; Mon, 12 May 2025 09:23:10 +0000 X-UUID: b1f62fe02f1211f0bed96b30c12bc3d6-20250512 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=LsUsN4EE5EwB/+2KLgvOGcHLR+PqfABnnnddFvs+ZRY=; b=jrshhidF9SE7erDqLoUN04sOl80k8EhO7RQqLxBNyWca1RtF3SDVShfTO87qpWNhKlpW4CupyYg0sl779xiuBMhFtAYXWcikxV6Czc75GkjX2ERZOc6tpn4lJz6U2Um64RdyEGEbThJ6HttwTHRX7vK6ieBPdliL809HRphH6SQ=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.2.1,REQID:d7ab713e-83bc-49cd-9952-5cceaae1e2ee,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:0ef645f,CLOUDID:6375ebf9-d2be-4f65-b354-0f04e3343627,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:0,File:nil,RT: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,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: b1f62fe02f1211f0bed96b30c12bc3d6-20250512 Received: from mtkmbs09n1.mediatek.inc [(172.21.101.35)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 2123262848; Mon, 12 May 2025 02:22:59 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.39; Mon, 12 May 2025 17:22:54 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.39 via Frontend Transport; Mon, 12 May 2025 17:22:54 +0800 From: Jason-JH Lin To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jassi Brar , Chun-Kuang Hu , AngeloGioacchino Del Regno , Mauro Carvalho Chehab Subject: [PATCH RESEND v5 17/20] soc: mediatek: Add programming flow for unsupported subsys ID hardware Date: Mon, 12 May 2025 17:19:39 +0800 Message-ID: <20250512092252.905629-18-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250512092252.905629-1-jason-jh.lin@mediatek.com> References: <20250512092252.905629-1-jason-jh.lin@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250512_022307_982005_E14377A9 X-CRM114-Status: GOOD ( 14.02 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Moudy Ho , Xiandong Wang , Jason-JH Lin , Singo Chang , Chen-yu Tsai , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Project_Global_Chrome_Upstream_Group@mediatek.com, Paul-PL Chen , Xavier Chang , Nancy Lin , linux-mediatek@lists.infradead.org, Sirius Wang , Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org To support hardware without subsys IDs on new SoCs, add a programming flow that checks whether the subsys ID is valid. If the subsys ID is valid, the flow will call cmdq_pkt_write_subsys() and cmdq_pkt_write_mask_subsys() instead of the original cmdq_pkt_write() and cmdq_pkt_write_mask(). If the subsys ID is invalid, the flow will call cmdq_pkt_write_pa() and cmdq_pkt_write_mask_pa() to achieve the same functionality. Signed-off-by: Jason-JH Lin --- drivers/soc/mediatek/mtk-mmsys.c | 12 +++++++++--- drivers/soc/mediatek/mtk-mutex.c | 8 ++++++-- 2 files changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index bb4639ca0b8c..0c324846e334 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -167,9 +167,15 @@ static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask, u32 tmp; if (mmsys->cmdq_base.size && cmdq_pkt) { - ret = cmdq_pkt_write_mask(cmdq_pkt, mmsys->cmdq_base.subsys, - mmsys->cmdq_base.offset + offset, val, - mask); + offset += mmsys->cmdq_base.offset; + if (mmsys->cmdq_base.subsys != CMDQ_SUBSYS_INVALID) + ret = cmdq_pkt_write_mask_subsys(cmdq_pkt, mmsys->cmdq_base.subsys, + mmsys->cmdq_base.pa_base, offset, + val, mask); + else /* only MMIO access, no need to check mminfro_offset */ + ret = cmdq_pkt_write_mask_pa(cmdq_pkt, mmsys->cmdq_base.subsys, + mmsys->cmdq_base.pa_base, offset, val, mask); + if (ret) pr_debug("CMDQ unavailable: using CPU write\n"); else diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index aaa965d4b050..ce444c1998f0 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -969,6 +969,7 @@ int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, void *pkt) struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx, mutex[mutex->id]); struct cmdq_pkt *cmdq_pkt = (struct cmdq_pkt *)pkt; + dma_addr_t en_addr = mtx->addr + DISP_REG_MUTEX_EN(mutex->id); WARN_ON(&mtx->mutex[mutex->id] != mutex); @@ -977,8 +978,11 @@ int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, void *pkt) return -ENODEV; } - cmdq_pkt_write(cmdq_pkt, mtx->cmdq_reg.subsys, - mtx->addr + DISP_REG_MUTEX_EN(mutex->id), 1); + if (mtx->cmdq_reg.subsys != CMDQ_SUBSYS_INVALID) + cmdq_pkt_write_subsys(cmdq_pkt, mtx->cmdq_reg.subsys, en_addr, en_addr, 1); + else /* only MMIO access, no need to check mminfro_offset */ + cmdq_pkt_write_pa(cmdq_pkt, mtx->cmdq_reg.subsys, en_addr, en_addr, 1); + return 0; } EXPORT_SYMBOL_GPL(mtk_mutex_enable_by_cmdq); -- 2.43.0