From patchwork Sun Sep 11 15:37:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SmFzb24tSkggTGluICjmnpfnnb/npaUp?= X-Patchwork-Id: 12972919 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 57DDBECAAD3 for ; Sun, 11 Sep 2022 15:40:39 +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=Vd/jVEsjVxxPkLBNPltwdz5/MsK7AFwiVx2Kb3Qq/BU=; b=NjJMtEOHc1VQYF T+OPwB0sGlaqPQp2xAPZdR7GgstSVM++e+5wmhAc7TooxnrKhN9Zz4fqLdqkhpKKK+IIRXPfL7lyQ yb7nSnpCh8y7UHTQEb0fbS7kqofFREP6PaNRl8B8igRU3oCGD7GZ+eAIjuFyNq2gKVHkh7AbeFmNf H9dtaYc9VQHm3Vs4z9x+GjPBHQgn/1PWRHwwGIYFdxyBpEX9pRHZmPDKx9PujjCZw1Ir5/uoVzrzr aepfoWlxzriFSqHlOcevpEkjfNDqIVvMJKNRaY+dqShWZF8799XgdATETmvbfmTTTyXRhFjPGKqyz kal9fyVAwyn/nJFFIJNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oXP3W-002qoP-Eh; Sun, 11 Sep 2022 15:39:34 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oXP2P-002pzx-V8; Sun, 11 Sep 2022 15:38:27 +0000 X-UUID: 391031ee435441d89fbefb72a4b7df31-20220911 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=ul9i8erPB1DoaRLOoK8QSUHMoEYMlUQuYgsmBM/7Fug=; b=UkYXEwhB973pRL3TE9kFOeHSuKyCrWtvlq5oJ9jS/2tm+AYPMRJHcKwOuOgH45TY2mZBjYm4f9yapYJ7+lLiMBoWDSb6zPM+5JKl0k3ze1TuI5+Q8CgPWTtT+r0sluNI8E26Efgj8DaDnKs4CMF50YdiVI3dY51DsN1DyosllSk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.10,REQID:a6307fed-e38a-4576-ba5c-5add8029697a,OB:0,L OB:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_ Ham,ACTION:release,TS:0 X-CID-META: VersionHash:84eae18,CLOUDID:7f5006ec-2856-4fce-b125-09d4c7ebe045,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 391031ee435441d89fbefb72a4b7df31-20220911 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1962756775; Sun, 11 Sep 2022 08:38:19 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Sun, 11 Sep 2022 23:37:44 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Sun, 11 Sep 2022 23:37:44 +0800 From: Jason-JH.Lin To: Chun-Kuang Hu , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , AngeloGioacchino Del Regno CC: CK Hu , Rex-BC Chen , Singo Chang , , , , , , , Jason-JH.Lin Subject: [PATCH v3 8/9] drm/mediatek: Add clear RELAY_MODE bit to set gamma Date: Sun, 11 Sep 2022 23:37:33 +0800 Message-ID: <20220911153734.24243-9-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220911153734.24243-1-jason-jh.lin@mediatek.com> References: <20220911153734.24243-1-jason-jh.lin@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-20220911_083826_034216_621E5BB0 X-CRM114-Status: GOOD ( 11.21 ) 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 Since the bootlaoder may set the RELAY_MODE to gamma be for the kerenl, we have to clear the RELAY_MODE bit to make sure that the gamma is enabled correctly. Fixes: b10023b03082 ("FROMGIT: drm/mediatek: Separate gamma module") Signed-off-by: Jason-JH.Lin --- drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index 4e67f1503b9a..77cc344b9c02 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -18,6 +18,7 @@ #define DISP_GAMMA_EN 0x0000 #define GAMMA_EN BIT(0) #define DISP_GAMMA_CFG 0x0020 +#define RELAY_MODE BIT(0) #define GAMMA_LUT_EN BIT(1) #define GAMMA_DITHERING BIT(2) #define DISP_GAMMA_SIZE 0x0030 @@ -99,6 +100,7 @@ void mtk_gamma_set_common(struct device *dev, void __iomem *regs, struct drm_crt if (state->gamma_lut) { reg = readl(regs + DISP_GAMMA_CFG); + reg = reg & ~RELAY_MODE; reg = reg | GAMMA_LUT_EN; writel(reg, regs + DISP_GAMMA_CFG); lut_base = regs + DISP_GAMMA_LUT;