From mboxrd@z Thu Jan 1 00:00:00 1970 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 90326C433EF for ; Tue, 21 Jun 2022 01:50:56 +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: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nMxtfM/0nWy8QORtnMj4AJ+8bAvQxYZxBfDKpfNsOm4=; b=VSp7PlQCIjB/Pl hxCYuYUfP0h4m8TY1+fLYWLljJisR3yDhG547VQe6b9sAHYXlhIh5MaENup1+FXmTo/zld6o6nXTm /SvFvUuH3vxHhRMkhJvF5Bgqi3vpKDsqLx9M6oVSh8ZF7i9eFZFbPYQB2u47tkPzKkhD6XTSnrg8+ A5ba6rDwbb+DFt+Gaw77OyifwxuiCOHg72kNIFblpP82bMlRML1XN+qYy9V59tXD0im8UIbCt+nM6 y1yEMHcnpjiKT6TCFe4DwOY7p3ytYKzbvM1A1CQ6a0auUjKnzMkl566VXdEGKnZPpPiLXDdK36Vp9 2A/qsCMHzMv/D7wpzsnw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o3T19-0038pR-Au; Tue, 21 Jun 2022 01:49:23 +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 1o3T15-0038oY-SM; Tue, 21 Jun 2022 01:49:21 +0000 X-UUID: 16c7895eaa484a4ea6d7bad7ba5fa794-20220620 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.6,REQID:433723e3-3c66-4519-9425-b0b514210144,OB:0,LO B:0,IP:0,URL:5,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:5 X-CID-META: VersionHash:b14ad71,CLOUDID:ca190dea-f7af-4e69-92ee-0fd74a0c286c,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:1,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: 16c7895eaa484a4ea6d7bad7ba5fa794-20220620 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 158114252; Mon, 20 Jun 2022 18:49:10 -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; Mon, 20 Jun 2022 18:44:09 -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; Tue, 21 Jun 2022 09:44:08 +0800 Received: from mtksdccf07 (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 09:44:08 +0800 Message-ID: <20029878ce6b7bcf9922277cee27e9fc27412907.camel@mediatek.com> Subject: Re: [PATCH v12 04/14] drm/mediatek: dpi: implement a swap_input toggle in SoC config From: CK Hu To: Bo-Chen Chen , , , , , , , CC: , , , , , , , , , , Date: Tue, 21 Jun 2022 09:44:08 +0800 In-Reply-To: <20220620121028.29234-5-rex-bc.chen@mediatek.com> References: <20220620121028.29234-1-rex-bc.chen@mediatek.com> <20220620121028.29234-5-rex-bc.chen@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220620_184919_953888_00AD2E06 X-CRM114-Status: GOOD ( 21.60 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Bo-Chen: On Mon, 2022-06-20 at 20:10 +0800, Bo-Chen Chen wrote: > 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. Reviewed-by: CK Hu > > Signed-off-by: Guillaume Ranquet > [Bo-Chen: Add modification reason in commit message.] > Signed-off-by: Bo-Chen Chen > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > Reviewed-by: Rex-BC Chen > --- > drivers/gpu/drm/mediatek/mtk_dpi.c | 17 ++++++++++++++--- > 1 file changed, 14 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c > b/drivers/gpu/drm/mediatek/mtk_dpi.c > index c88d64889402..5aab3029c54d 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c > @@ -126,6 +126,7 @@ 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) > @@ -390,18 +391,24 @@ 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); > } > } > @@ -813,6 +820,7 @@ 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 = { > @@ -823,6 +831,7 @@ 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 = { > @@ -832,6 +841,7 @@ 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 = { > @@ -841,6 +851,7 @@ 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) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel