From nobody Thu Nov 14 09:25:53 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 D1508CCA473 for ; Tue, 21 Jun 2022 11:38:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349879AbiFULiK (ORCPT ); Tue, 21 Jun 2022 07:38:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48664 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349673AbiFULhr (ORCPT ); Tue, 21 Jun 2022 07:37:47 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F88F286C9; Tue, 21 Jun 2022 04:37:45 -0700 (PDT) X-UUID: 6df80f2b38ba4763bfdc3b166d31fe81-20220621 X-CID-P-RULE: Spam_GS6885AD X-CID-O-INFO: VERSION:1.1.6,REQID:5478e2ba-22fd-4a62-a902-0e1fd8c48e68,OB:20,L OB:40,IP:0,URL:5,TC:0,Content:-5,EDM:25,RT:0,SF:95,FILE:0,RULE:Spam_GS6885 AD,ACTION:quarantine,TS:120 X-CID-INFO: VERSION:1.1.6,REQID:5478e2ba-22fd-4a62-a902-0e1fd8c48e68,OB:20,LOB :40,IP:0,URL:5,TC:0,Content:-5,EDM:25,RT:0,SF:95,FILE:0,RULE:Spam_GS981B3D ,ACTION:quarantine,TS:120 X-CID-META: VersionHash:b14ad71,CLOUDID:0cbb1238-5e4b-44d7-80b2-bb618cb09d29,C OID:6bf2b48ae077,Recheck:0,SF:28|17|19|48,TC:nil,Content:0,EDM:5,IP:nil,UR L:1,File:nil,QS:nil,BEC:nil,COL:0 X-UUID: 6df80f2b38ba4763bfdc3b166d31fe81-20220621 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 725526968; Tue, 21 Jun 2022 19:37:34 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) 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 15.2.792.15; Tue, 21 Jun 2022 19:37:33 +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, 21 Jun 2022 19:37:33 +0800 From: Bo-Chen Chen To: , , , , , , CC: , , , , , , , , , , , , Bo-Chen Chen Subject: [PATCH v13 05/14] drm/mediatek: dpi: implement a swap_input toggle in SoC config Date: Tue, 21 Jun 2022 19:37:23 +0800 Message-ID: <20220621113732.11595-6-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220621113732.11595-1-rex-bc.chen@mediatek.com> References: <20220621113732.11595-1-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 [Bo-Chen: Add modification reason in commit message.] 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 | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/= mtk_dpi.c index fc2ef10bef31..bacd6c13186f 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -127,6 +127,7 @@ 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); @@ -136,6 +137,7 @@ 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) @@ -400,18 +402,24 @@ static void mtk_dpi_config_color_format(struct mtk_dp= i *dpi, (format =3D=3D MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) { mtk_dpi_config_yuv422_enable(dpi, false); mtk_dpi_config_csc_enable(dpi, true); - 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_BGR); } else if ((format =3D=3D MTK_DPI_COLOR_FORMAT_YCBCR_422) || (format =3D=3D MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) { mtk_dpi_config_yuv422_enable(dpi, true); mtk_dpi_config_csc_enable(dpi, true); - mtk_dpi_config_swap_input(dpi, true); + if (dpi->conf->swap_input_support) + mtk_dpi_config_swap_input(dpi, true); + else + dev_warn(dpi->dev, + "Failed to swap input, hw is not supported.\n"); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB); } else { 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); } } @@ -823,6 +831,7 @@ 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 { @@ -833,6 +842,7 @@ 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 { @@ -842,6 +852,7 @@ 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 { @@ -851,6 +862,7 @@ 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