From nobody Fri Sep 20 11:31:53 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 BF6D8C04FDF for ; Mon, 14 Aug 2023 07:29:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234142AbjHNH3R (ORCPT ); Mon, 14 Aug 2023 03:29:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233552AbjHNH2n (ORCPT ); Mon, 14 Aug 2023 03:28:43 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2039618F; Mon, 14 Aug 2023 00:28:41 -0700 (PDT) X-UUID: 2d664a243a7411ee9cb5633481061a41-20230814 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=4CuFnml3SXfeqNSp/RSLbaS/g3QFSfZKRb3EZz94OcM=; b=BfE7bflhTDkPZNyV1xQ7xUhlWdUhZKOmhogBB0uHWYRPutcXP8ysHtwROOUZRz9Cib0t7bvZCrNiQzXEho9oZ3v8DjWA0UpApdlw+DY0a8FDtKxSxh1lVGIvFawZkvUmFU07lbKvTDJJfs46nEkAQ4KTrzDbv9U9Lcn94XjYHyo=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31,REQID:b843bc5e-c49c-4409-89b8-7c616d85d527,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:70 X-CID-INFO: VERSION:1.1.31,REQID:b843bc5e-c49c-4409-89b8-7c616d85d527,IP:0,URL :0,TC:0,Content:-25,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTI ON:quarantine,TS:70 X-CID-META: VersionHash:0ad78a4,CLOUDID:aa307fee-9a6e-4c39-b73e-f2bc08ca3dc5,B ulkID:23081415283788AUC4ZN,BulkQuantity:0,Recheck:0,SF:29|28|17|19|48|38,T C:nil,Content:0,EDM:-3,IP:nil,URL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,CO L: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_ULN,TF_CID_SPAM_SNR,TF_CID_SPAM_SDM,TF_CID_SPAM_ASC, TF_CID_SPAM_FAS,TF_CID_SPAM_FSD X-UUID: 2d664a243a7411ee9cb5633481061a41-20230814 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 641168721; Mon, 14 Aug 2023 15:28:34 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) 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; Mon, 14 Aug 2023 15:28:33 +0800 Received: from mszsdhlt06.gcn.mediatek.inc (10.16.6.206) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 14 Aug 2023 15:28:32 +0800 From: Shuijing Li To: , , , , , , , , , CC: , , , , , , Shuijing Li Subject: [PATCH v4,2/3] drm/mediatek: dp: Add the audio packet flag to mtk_dp_data struct Date: Mon, 14 Aug 2023 15:28:41 +0800 Message-ID: <20230814072842.28597-3-shuijing.li@mediatek.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230814072842.28597-1-shuijing.li@mediatek.com> References: <20230814072842.28597-1-shuijing.li@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The audio packet arrangement function is to only arrange audio. packets into the Hblanking area. In order to align with the HW default setting of mt8195, this function needs to be turned off. Signed-off-by: Shuijing Li Signed-off-by: Jitao Shi Reviewed-by: Fei Shao --- Changes in v4: drop mt8188_edp_data and remove unnecessary modification. per suggestion from the previous thread: https://lore.kernel.org/all/bddb1a1a445ead85056202c355627698051f12c9.camel@= mediatek.com/ Changes in v3: Separate these two things into two different patches. per suggestion from the previous thread: https://lore.kernel.org/lkml/e2ad22bcba31797f38a12a488d4246a01bf0cb2e.camel= @mediatek.com/ Changes in v2: - change the variables' name to be more descriptive - add a comment that describes the function of mtk_dp_audio_sample_arrange - reduce indentation by doing the inverse check - add a definition of some bits - add support for mediatek, mt8188-edp-tx per suggestion from the previous thread: https://lore.kernel.org/lkml/ac0fcec9-a2fe-06cc-c727-189ef7babe9c@collabora= .com/ --- drivers/gpu/drm/mediatek/mtk_dp.c | 30 +++++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_dp_reg.h | 5 +++++ 2 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/m= tk_dp.c index 64eee77452c0..75af6de7bc42 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -139,6 +139,7 @@ struct mtk_dp_data { unsigned int smc_cmd; const struct mtk_dp_efuse_fmt *efuse_fmt; bool audio_supported; + bool audio_pkt_in_hblank_area; }; =20 static const struct mtk_dp_efuse_fmt mt8195_edp_efuse_fmt[MTK_DP_CAL_MAX] = =3D { @@ -1362,6 +1363,18 @@ static void mtk_dp_sdp_set_down_cnt_init_in_hblank(s= truct mtk_dp *mtk_dp) SDP_DOWN_CNT_INIT_IN_HBLANK_DP_ENC1_P0_MASK); } =20 +static void mtk_dp_audio_sample_arrange(struct mtk_dp *mtk_dp) +{ + /* arrange audio packets into the Hblanking and Vblanking area */ + if (!mtk_dp->data->audio_pkt_in_hblank_area) + return; + + mtk_dp_update_bits(mtk_dp, MTK_DP_ENC1_P0_3374, 0, + SDP_ASP_INSERT_IN_HBLANK_DP_ENC1_P0_MASK); + mtk_dp_update_bits(mtk_dp, MTK_DP_ENC1_P0_3374, 0, + SDP_DOWN_ASP_CNT_INIT_DP_ENC1_P0_MASK); +} + static void mtk_dp_setup_tu(struct mtk_dp *mtk_dp) { u32 sram_read_start =3D min_t(u32, MTK_DP_TBC_BUF_READ_START_ADDR, @@ -1371,6 +1384,7 @@ static void mtk_dp_setup_tu(struct mtk_dp *mtk_dp) MTK_DP_PIX_PER_ADDR); mtk_dp_set_sram_read_start(mtk_dp, sram_read_start); mtk_dp_setup_encoder(mtk_dp); + mtk_dp_audio_sample_arrange(mtk_dp); mtk_dp_sdp_set_down_cnt_init_in_hblank(mtk_dp); mtk_dp_sdp_set_down_cnt_init(mtk_dp, sram_read_start); } @@ -2616,6 +2630,14 @@ static int mtk_dp_resume(struct device *dev) =20 static SIMPLE_DEV_PM_OPS(mtk_dp_pm_ops, mtk_dp_suspend, mtk_dp_resume); =20 +static const struct mtk_dp_data mt8188_dp_data =3D { + .bridge_type =3D DRM_MODE_CONNECTOR_DisplayPort, + .smc_cmd =3D MTK_DP_SIP_ATF_VIDEO_UNMUTE, + .efuse_fmt =3D mt8195_dp_efuse_fmt, + .audio_supported =3D true, + .audio_pkt_in_hblank_area =3D true, +}; + static const struct mtk_dp_data mt8195_edp_data =3D { .bridge_type =3D DRM_MODE_CONNECTOR_eDP, .smc_cmd =3D MTK_DP_SIP_ATF_EDP_VIDEO_UNMUTE, @@ -2631,6 +2653,14 @@ static const struct mtk_dp_data mt8195_dp_data =3D { }; =20 static const struct of_device_id mtk_dp_of_match[] =3D { + { + .compatible =3D "mediatek,mt8188-edp-tx", + .data =3D &mt8195_edp_data, + }, + { + .compatible =3D "mediatek,mt8188-dp-tx", + .data =3D &mt8188_dp_data, + }, { .compatible =3D "mediatek,mt8195-edp-tx", .data =3D &mt8195_edp_data, diff --git a/drivers/gpu/drm/mediatek/mtk_dp_reg.h b/drivers/gpu/drm/mediat= ek/mtk_dp_reg.h index 84e38cef03c2..f38d6ff12afe 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp_reg.h +++ b/drivers/gpu/drm/mediatek/mtk_dp_reg.h @@ -228,6 +228,11 @@ VIDEO_STABLE_CNT_THRD_DP_ENC1_P0 | \ SDP_DP13_EN_DP_ENC1_P0 | \ BS2BS_MODE_DP_ENC1_P0) + +#define MTK_DP_ENC1_P0_3374 0x3374 +#define SDP_ASP_INSERT_IN_HBLANK_DP_ENC1_P0_MASK BIT(12) +#define SDP_DOWN_ASP_CNT_INIT_DP_ENC1_P0_MASK GENMASK(11, 0) + #define MTK_DP_ENC1_P0_33F4 0x33f4 #define DP_ENC_DUMMY_RW_1_AUDIO_RST_EN BIT(0) #define DP_ENC_DUMMY_RW_1 BIT(9) --=20 2.40.1