From nobody Sat Sep 21 23:37:20 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 125D4C43334 for ; Fri, 1 Jul 2022 03:59:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234603AbiGAD7y (ORCPT ); Thu, 30 Jun 2022 23:59:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233527AbiGAD67 (ORCPT ); Thu, 30 Jun 2022 23:58:59 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3964677FB; Thu, 30 Jun 2022 20:58:57 -0700 (PDT) X-UUID: 9a91b7c1d51e4e00ad3072f0162fe798-20220701 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.7,REQID:2f40aa36-689c-414d-8057-1efdbffe2244,OB:0,LO B:0,IP:0,URL:5,TC:0,Content:-5,EDM:25,RT:0,SF:0,FILE:0,RULE:Release_Ham,AC TION:release,TS:25 X-CID-META: VersionHash:87442a2,CLOUDID:e9d61e63-0b3f-4b2c-b3a6-ed5c044366a0,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:5,IP:nil,URL:1,File:nil, QS:nil,BEC:nil,COL:0 X-UUID: 9a91b7c1d51e4e00ad3072f0162fe798-20220701 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 439531180; Fri, 01 Jul 2022 11:58:48 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Fri, 1 Jul 2022 11:58:47 +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; Fri, 1 Jul 2022 11:58:47 +0800 From: Bo-Chen Chen To: , , , , , , CC: , , , , , , , , , , , , , , Bo-Chen Chen Subject: [PATCH v15 07/16] drm/mediatek: dpi: implement a swap_input toggle in SoC config Date: Fri, 1 Jul 2022 11:58:36 +0800 Message-ID: <20220701035845.16458-8-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220701035845.16458-1-rex-bc.chen@mediatek.com> References: <20220701035845.16458-1-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" From: Guillaume Ranquet The hardware design of dp_intf does not support input swap, so we add a bit of flexibility to support SoCs without swap_input support. We also add a warning message if the hardware is not supported and it needs to swap input. Signed-off-by: Guillaume Ranquet Signed-off-by: Bo-Chen Chen Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Rex-BC Chen Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_dpi.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/= mtk_dpi.c index b89ad9f38396..ba871c347d15 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -121,6 +121,7 @@ struct mtk_dpi_yc_limit { * @output_fmts: Array of supported output formats. * @num_output_fmts: Quantity of supported output formats. * @is_ck_de_pol: Support CK/DE polarity. + * @swap_input_support: Support input swap function. */ struct mtk_dpi_conf { unsigned int (*cal_factor)(int clock); @@ -130,6 +131,7 @@ struct mtk_dpi_conf { const u32 *output_fmts; u32 num_output_fmts; bool is_ck_de_pol; + bool swap_input_support; }; =20 static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mas= k) @@ -393,7 +395,8 @@ static void mtk_dpi_config_color_format(struct mtk_dpi = *dpi, /* only support RGB888 */ mtk_dpi_config_yuv422_enable(dpi, false); mtk_dpi_config_csc_enable(dpi, false); - mtk_dpi_config_swap_input(dpi, false); + if (dpi->conf->swap_input_support) + mtk_dpi_config_swap_input(dpi, false); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB); } =20 @@ -804,6 +807,7 @@ static const struct mtk_dpi_conf mt8173_conf =3D { .output_fmts =3D mt8173_output_fmts, .num_output_fmts =3D ARRAY_SIZE(mt8173_output_fmts), .is_ck_de_pol =3D true, + .swap_input_support =3D true, }; =20 static const struct mtk_dpi_conf mt2701_conf =3D { @@ -814,6 +818,7 @@ static const struct mtk_dpi_conf mt2701_conf =3D { .output_fmts =3D mt8173_output_fmts, .num_output_fmts =3D ARRAY_SIZE(mt8173_output_fmts), .is_ck_de_pol =3D true, + .swap_input_support =3D true, }; =20 static const struct mtk_dpi_conf mt8183_conf =3D { @@ -823,6 +828,7 @@ static const struct mtk_dpi_conf mt8183_conf =3D { .output_fmts =3D mt8183_output_fmts, .num_output_fmts =3D ARRAY_SIZE(mt8183_output_fmts), .is_ck_de_pol =3D true, + .swap_input_support =3D true, }; =20 static const struct mtk_dpi_conf mt8192_conf =3D { @@ -832,6 +838,7 @@ static const struct mtk_dpi_conf mt8192_conf =3D { .output_fmts =3D mt8183_output_fmts, .num_output_fmts =3D ARRAY_SIZE(mt8183_output_fmts), .is_ck_de_pol =3D true, + .swap_input_support =3D true, }; =20 static int mtk_dpi_probe(struct platform_device *pdev) --=20 2.18.0