From patchwork Fri Jun 24 03:09:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?UmV4LUJDIENoZW4gKOmZs+afj+i+sCk=?= X-Patchwork-Id: 12893606 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 7CA44C43334 for ; Fri, 24 Jun 2022 03:18:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Uu/L58sJaAQJevIrOGWDz7mFv/Y4iGqr7zOJSM5vv9c=; b=tKVElmn3J5VO3u hfPUZwPszuxjFOjkC+haIQf93D3nPBZ7lPynzjC+pVX6coz5RNwU+kjwgwgs1UaYsBlZIVbQagwSy Wmek5T+SmjR7WLog9YCaaE3K/8msJ7oHM1srKEzx6Pec/Vr931abgi4J8kKQgB5czaHIdUZ/f6K+g T/PZJfSJwKCWO+LPSTetyGWKOBq8FE1q+aeT3OAbKKI0n8Xtvsu/vT0Md5H5hY73+hob7Qbr7yVNo HQxwoZikVEqBFXbADhmEQdsJHnStCvz1jW30DRbt5LhHxWvB3IVZQjJqizsiSlexUl77wf+3cJ/sg iH1+qjNHCfY2r7ze+nBg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4Zp5-00HaF8-Fv; Fri, 24 Jun 2022 03:17:31 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4ZlL-00HY9q-FZ; Fri, 24 Jun 2022 03:13:42 +0000 X-UUID: 965189cee6e342e4b3275d6a0af9f828-20220623 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.6,REQID:4cf71433-ee5d-4fc6-9673-3e9e4b534870,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:b14ad71,CLOUDID:9be761ea-f7af-4e69-92ee-0fd74a0c286c,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: 965189cee6e342e4b3275d6a0af9f828-20220623 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 988400579; Thu, 23 Jun 2022 20:13:29 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 23 Jun 2022 20:09:51 -0700 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; Fri, 24 Jun 2022 11:09:49 +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, 24 Jun 2022 11:09:49 +0800 From: Bo-Chen Chen To: , , , , , , CC: , , , , , , , , , , , , Bo-Chen Chen Subject: [PATCH v14 06/15] drm/mediatek: dpi: implement a swap_input toggle in SoC config Date: Fri, 24 Jun 2022 11:09:37 +0800 Message-ID: <20220624030946.14961-7-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220624030946.14961-1-rex-bc.chen@mediatek.com> References: <20220624030946.14961-1-rex-bc.chen@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-20220623_201339_602568_EF4BD22D X-CRM114-Status: GOOD ( 15.63 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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; }; static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask) @@ -400,18 +402,24 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, (format == 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 == MTK_DPI_COLOR_FORMAT_YCBCR_422) || (format == 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 = { .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, }; static const struct mtk_dpi_conf mt2701_conf = { @@ -833,6 +842,7 @@ static const struct mtk_dpi_conf mt2701_conf = { .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, }; static const struct mtk_dpi_conf mt8183_conf = { @@ -842,6 +852,7 @@ static const struct mtk_dpi_conf mt8183_conf = { .output_fmts = mt8183_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, }; static const struct mtk_dpi_conf mt8192_conf = { @@ -851,6 +862,7 @@ static const struct mtk_dpi_conf mt8192_conf = { .output_fmts = mt8183_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, }; static int mtk_dpi_probe(struct platform_device *pdev)