From patchwork Thu Jan 28 11:23:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 372762 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEA2BC433DB for ; Thu, 28 Jan 2021 11:25:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8635B64DDC for ; Thu, 28 Jan 2021 11:25:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231293AbhA1LZD (ORCPT ); Thu, 28 Jan 2021 06:25:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231250AbhA1LYp (ORCPT ); Thu, 28 Jan 2021 06:24:45 -0500 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DB12C061794 for ; Thu, 28 Jan 2021 03:23:33 -0800 (PST) Received: by mail-pl1-x629.google.com with SMTP id h15so3141665pli.8 for ; Thu, 28 Jan 2021 03:23:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0GfJG1NolFJolLu0toUQEenQ6To6l1YhR3Wj2jMdwnY=; b=nbIK8k5HGwdeJPuiKijB8ehESstla+9kuSupW6ptPDFIvs+IExuXiO4nN+112Qx2yd +42oLP1FEv0owna6tg/baauqZ91TkRWxAvBV2dW9QKmhSO3D1BrbwFgkZOHzFtjMBVcN 9wWiDgqZJ7vdJQIHITmZJmzww2NMkhTDbiuCQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0GfJG1NolFJolLu0toUQEenQ6To6l1YhR3Wj2jMdwnY=; b=Jow6iZANzNYDn3FlmDzMcZuLjdS9cibHM33DIn9iSLA0X5MvGHAEYC/C2ZHpSGQmw4 5L1wG7apzibbbb5VWXVthts8Xaowp/bxS7U+BgQ3MGYdQooQO3qt72TQBqK7GG9Hct8/ HBR3haVCjd3Ju0vTN0ZUDM59sVJ2PZh3+3scYj2MAsBDv+r98GHrnV2016beY7LEdRyR EC6DYu0wkTvxB9HQ4tghUZed8kZ81bXmflOB+1fdDBLuggCA93LQzbVfVHDoM3kjzkcl bOHEStBGr2HHdmkabCS1w+FSvq1utWlGidZKKjNXOlDWgOxTa0hEvb3COmP/8tCy0OLV jZgA== X-Gm-Message-State: AOAM5326B34X64GiSID5x/CnniipQqQK1rhURjp/RO+Lhe/d8pnnfH2J JEnQzZexzCNn+lahRWYABLq8CA== X-Google-Smtp-Source: ABdhPJwcmLQsIkjjvwkUVmik/AWHcieafkBYpo34fY2RntjPEZDLF3oQQR6ps4P1+m5z9CODqvjgNQ== X-Received: by 2002:a17:90b:1196:: with SMTP id gk22mr10605229pjb.168.1611833012608; Thu, 28 Jan 2021 03:23:32 -0800 (PST) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:e0a5:d2fc:aaad:1e4a]) by smtp.gmail.com with ESMTPSA id j198sm3138315pfd.71.2021.01.28.03.23.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jan 2021 03:23:32 -0800 (PST) From: Hsin-Yi Wang To: CK Hu , Philipp Zabel , Matthias Brugger Cc: David Airlie , Daniel Vetter , Mark Rutland , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Yongqiang Niu Subject: [PATCH v12 5/8] drm/mediatek: add has_dither private data for gamma Date: Thu, 28 Jan 2021 19:23:11 +0800 Message-Id: <20210128112314.1304160-6-hsinyi@chromium.org> X-Mailer: git-send-email 2.30.0.280.ga3ce27912f-goog In-Reply-To: <20210128112314.1304160-1-hsinyi@chromium.org> References: <20210128112314.1304160-1-hsinyi@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Yongqiang Niu Not all SoC has dither function in gamma module. Add private data to control this function setting. Signed-off-by: Yongqiang Niu Signed-off-by: Hsin-Yi Wang Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index 6b520807921e3..5092a27ccc28b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -27,7 +27,7 @@ #define LUT_10BIT_MASK 0x03ff struct mtk_disp_gamma_data { - u32 reserved; + bool has_dither; }; /** @@ -93,8 +93,9 @@ void mtk_gamma_config(struct device *dev, unsigned int w, mtk_ddp_write(cmdq_pkt, h << 16 | w, &gamma->cmdq_reg, gamma->regs, DISP_GAMMA_SIZE); - mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, DISP_GAMMA_CFG, - GAMMA_DITHERING, cmdq_pkt); + if (gamma->data && gamma->data->has_dither) + mtk_dither_set_common(gamma->regs, &gamma->cmdq_reg, bpc, + DISP_GAMMA_CFG, GAMMA_DITHERING, cmdq_pkt); } void mtk_gamma_start(struct device *dev) @@ -174,8 +175,13 @@ static int mtk_disp_gamma_remove(struct platform_device *pdev) return 0; } +static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = { + .has_dither = true, +}; + static const struct of_device_id mtk_disp_gamma_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-gamma"}, + { .compatible = "mediatek,mt8173-disp-gamma", + .data = &mt8173_gamma_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_gamma_driver_dt_match);