From nobody Sun Sep 22 02:01:10 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 CEAF3C43334 for ; Tue, 5 Jul 2022 10:25:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231751AbiGEKZu (ORCPT ); Tue, 5 Jul 2022 06:25:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230494AbiGEKZo (ORCPT ); Tue, 5 Jul 2022 06:25:44 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4910AD79; Tue, 5 Jul 2022 03:25:38 -0700 (PDT) X-UUID: 37d861f6058a4b46914bc1f8ed2b8997-20220705 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.8,REQID:bdb7871d-e674-4440-82d3-b034b7145871,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:-5 X-CID-META: VersionHash:0f94e32,CLOUDID:35eea7d6-5d6d-4eaf-a635-828a3ee48b7c,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: 37d861f6058a4b46914bc1f8ed2b8997-20220705 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1851440794; Tue, 05 Jul 2022 18:25:34 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 5 Jul 2022 18:25:33 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 5 Jul 2022 18:25:33 +0800 From: Bo-Chen Chen To: , , , , , , CC: , , , , , , , , , , , , , , Bo-Chen Chen Subject: [PATCH v16 3/5] drm/mediatek: dpi: Add input_2pixel config support Date: Tue, 5 Jul 2022 18:25:28 +0800 Message-ID: <20220705102530.1344-4-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220705102530.1344-1-rex-bc.chen@mediatek.com> References: <20220705102530.1344-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 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" The input pixel per iteration could be different, so we add a new config "input_2pixel" to control this. Signed-off-by: Bo-Chen Chen Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_dpi.c | 7 +++++++ drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/= mtk_dpi.c index da7b2c72881b..a1dcb3089c3a 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -124,6 +124,8 @@ struct mtk_dpi_yc_limit { * @is_ck_de_pol: Support CK/DE polarity. * @swap_input_support: Support input swap function. * @support_direct_pin: IP supports direct connection to dpi panels. + * @input_2pixel: Input pixel of dp_intf is 2 pixel per round, so enable t= his + * config to enable this feature. * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PO= RCH * (no shift). * @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift). @@ -141,6 +143,7 @@ struct mtk_dpi_conf { bool is_ck_de_pol; bool swap_input_support; bool support_direct_pin; + bool input_2pixel; u32 dimension_mask; u32 hvsize_mask; u32 channel_swap_shift; @@ -589,6 +592,10 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dp= i, mtk_dpi_dual_edge(dpi); mtk_dpi_config_disable_edge(dpi); } + if (dpi->conf->input_2pixel) { + mtk_dpi_mask(dpi, DPI_CON, DPINTF_INPUT_2P_EN, + DPINTF_INPUT_2P_EN); + } mtk_dpi_sw_reset(dpi, false); =20 return 0; diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/medi= atek/mtk_dpi_regs.h index 9ce300313f3e..305066577d41 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h +++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h @@ -40,6 +40,7 @@ #define FAKE_DE_LEVEN BIT(21) #define FAKE_DE_RODD BIT(22) #define FAKE_DE_REVEN BIT(23) +#define DPINTF_INPUT_2P_EN BIT(29) =20 #define DPI_OUTPUT_SETTING 0x14 #define CH_SWAP 0 --=20 2.18.0