From patchwork Sat Dec 23 18:29:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jason-JH.Lin" X-Patchwork-Id: 13504082 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 1E770C3DA6E for ; Sat, 23 Dec 2023 18:30:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SzoPn8uxMb6pfB9NNf9fBM1vsuCNX8c3U3b+FwXjf1I=; b=qmcU/FC5Q3TzFZu2WRci8hLGbR AQvOxJrifWZXMj93cnkCNjVqFZRAgQdhgQ8tKStkduKcoeZjr5OW9yjYYEv62FAZw9fbNC3Idzege 8L0mVI5Mwe2Yex1nDSptIFN8ifp7K7s6Jg5xHr0RN00yKTblXq5mnrKW4JMp1gEInHlxft8BXwnBp CvQofQreyjgfgtasd/RorPBVFNPWyTnAj4yGJ7bPCpr5KoIza/lqozDW1qStwAq8usrYymazITCKS uNBWje5dAIYFKyuZQ4gCG/733rWYZ5qKcWl9Mj1UN7SY4suBTm6HRuPMbiOa5Sm8IMP9FcaE1RXPS kUBY+SMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rH6lY-008Ila-3D; Sat, 23 Dec 2023 18:30:29 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rH6kt-008IGN-1P; Sat, 23 Dec 2023 18:29:51 +0000 X-UUID: 3aa3fb1ea1c111ee9b09ad09c76753c8-20231223 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=SzoPn8uxMb6pfB9NNf9fBM1vsuCNX8c3U3b+FwXjf1I=; b=pXCUiTZ3fEBE0FqbxoNlwT/7hUImXfQ2HwkiF6/WPffyXnVBH9szGT6f6HaKIZSnz9cGN91u3BCQSMZ1jZH0uCUF9kA3RVjAAyIhKUr+jiiUua/bF8BD7fLX50cYcMqmOPLjdyFNhWRfUDLX9jk3dA+rG69+dTOie7fZA+DPAE8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.35,REQID:787cc6dd-4fec-4f7b-ad81-4b2996ed11e6,IP:0,U RL:0,TC:0,Content:-25,EDM:-30,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACT ION:release,TS:-55 X-CID-META: VersionHash:5d391d7,CLOUDID:ef711882-8d4f-477b-89d2-1e3bdbef96d1,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:2,IP:nil,UR L:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,D KR: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: 3aa3fb1ea1c111ee9b09ad09c76753c8-20231223 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 485859951; Sat, 23 Dec 2023 11:29:37 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Sun, 24 Dec 2023 02:29:35 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Sun, 24 Dec 2023 02:29:35 +0800 From: Jason-JH.Lin To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Chun-Kuang Hu CC: , , , , , , , Jason-ch Chen , Johnson Wang , "Jason-JH . Lin" , Singo Chang , Nancy Lin , Shawn Sung , , Jeffrey Kardatzke Subject: [PATCH v3 07/11] drm/mediatek: Add secure layer config support for ovl Date: Sun, 24 Dec 2023 02:29:28 +0800 Message-ID: <20231223182932.27683-8-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231223182932.27683-1-jason-jh.lin@mediatek.com> References: <20231223182932.27683-1-jason-jh.lin@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-20231223_102947_479072_5289E094 X-CRM114-Status: GOOD ( 18.26 ) 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: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add secure layer config support for ovl. TODO: 1. Move DISP_REG_OVL_SECURE setting to secure world. 2. Change the parameter register address in mtk_ddp_sec_write() from "u32 addr" to "struct cmdq_client_reg *cmdq_reg". Signed-off-by: Jason-JH.Lin --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 2 ++ drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 31 +++++++++++++++++++-- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 29 +++++++++++++++++++ 3 files changed, 60 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 1311562d25cc..77054adcd9cf 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -9,6 +9,7 @@ #include #include #include +#include "mtk_drm_ddp_comp.h" #include "mtk_drm_plane.h" #include "mtk_mdp_rdma.h" @@ -82,6 +83,7 @@ void mtk_ovl_clk_disable(struct device *dev); void mtk_ovl_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx); int mtk_ovl_layer_check(struct device *dev, unsigned int idx, struct mtk_plane_state *mtk_state); void mtk_ovl_layer_config(struct device *dev, unsigned int idx, diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 2bffe4245466..c18f76412a2e 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -46,6 +46,7 @@ #define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n)) #define DISP_REG_OVL_HDR_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x04) #define DISP_REG_OVL_HDR_PITCH(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x08) +#define DISP_REG_OVL_SECURE 0x0fc0 #define GMC_THRESHOLD_BITS 16 #define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) @@ -126,8 +127,19 @@ struct mtk_disp_ovl { const struct mtk_disp_ovl_data *data; void (*vblank_cb)(void *data); void *vblank_cb_data; + resource_size_t regs_pa; }; +u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx) +{ + if (comp->id == DDP_COMPONENT_OVL0) + return BIT_ULL(CMDQ_SEC_DISP_OVL0); + else if (comp->id == DDP_COMPONENT_OVL1) + return BIT_ULL(CMDQ_SEC_DISP_OVL1); + + return 0; +} + static irqreturn_t mtk_disp_ovl_irq_handler(int irq, void *dev_id) { struct mtk_disp_ovl *priv = dev_id; @@ -449,8 +461,22 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, DISP_REG_OVL_SRC_SIZE(idx)); mtk_ddp_write_relaxed(cmdq_pkt, offset, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_OFFSET(idx)); - mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, - DISP_REG_OVL_ADDR(ovl, idx)); + + if (state->pending.is_secure) { + const struct drm_format_info *fmt_info = drm_format_info(fmt); + unsigned int buf_size = (pending->height - 1) * pending->pitch + + pending->width * fmt_info->cpp[0]; + + mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_SECURE, BIT(idx)); + mtk_ddp_sec_write(cmdq_pkt, ovl->regs_pa + DISP_REG_OVL_ADDR(ovl, idx), + pending->addr, CMDQ_IWC_H_2_MVA, 0, buf_size, 0); + } else { + mtk_ddp_write_mask(cmdq_pkt, 0, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_SECURE, BIT(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, + DISP_REG_OVL_ADDR(ovl, idx)); + } if (is_afbc) { mtk_ddp_write_relaxed(cmdq_pkt, hdr_addr, &ovl->cmdq_reg, ovl->regs, @@ -529,6 +555,7 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->regs_pa = res->start; priv->regs = devm_ioremap_resource(dev, res); if (IS_ERR(priv->regs)) { dev_err(dev, "failed to ioremap ovl\n"); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 3046c0409353..6aed7647dfc0 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -111,6 +111,34 @@ void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value, #endif } +void mtk_ddp_sec_write(struct cmdq_pkt *cmdq_pkt, u32 addr, u64 base, + const enum cmdq_iwc_addr_metadata_type type, + const u32 offset, const u32 size, const u32 port) +{ +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + if (!cmdq_pkt) + return; + + /* secure buffer will be 4K alignment */ + cmdq_sec_pkt_write(cmdq_pkt, addr, base, type, + offset, ALIGN(size, PAGE_SIZE), port); +#endif +} + +void mtk_ddp_sec_write(struct cmdq_pkt *cmdq_pkt, u32 addr, u64 base, + const enum cmdq_iwc_addr_metadata_type type, + const u32 offset, const u32 size, const u32 port) +{ +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + if (!cmdq_pkt) + return; + + /* secure buffer will be 4K alignment */ + cmdq_sec_pkt_write(cmdq_pkt, addr, base, type, + offset, ALIGN(size, PAGE_SIZE), port); +#endif +} + static int mtk_ddp_clk_enable(struct device *dev) { struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); @@ -365,6 +393,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = { .bgclr_in_off = mtk_ovl_bgclr_in_off, .get_formats = mtk_ovl_get_formats, .get_num_formats = mtk_ovl_get_num_formats, + .get_sec_port = mtk_ovl_get_sec_port, }; static const struct mtk_ddp_comp_funcs ddp_postmask = {