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: 12054521 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 4FF19C433E9 for ; Thu, 28 Jan 2021 19:46:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 03E3B64E3E for ; Thu, 28 Jan 2021 19:46:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03E3B64E3E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 500806EA2F; Thu, 28 Jan 2021 19:46:14 +0000 (UTC) Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by gabe.freedesktop.org (Postfix) with ESMTPS id 027196E17A for ; Thu, 28 Jan 2021 11:23:32 +0000 (UTC) Received: by mail-pl1-x636.google.com with SMTP id e9so3157689plh.3 for ; Thu, 28 Jan 2021 03:23:32 -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=d0b9aWz9YHOic31jcfOW1xh+NmrvzOEtUAG5Wg+e+JnzB14W4NohqQW+1ldaovyx63 6oS4qeiTwWAFzPMrAJZTMQZD8xHEkSZwvAHox0QkqKiVIElLSFgCFyn8xqUW+n4rI5N2 094K9Lce0LebR1w8/TyQKgFG/KZSTGbjl/4sMGHGS2EjA51pI18ttkQ2HreTgJGYIbi4 9u+77FiLvUd1yfvzOLGFxBMfIZqxSEUpTkjutIgc1UPQJUOHQXEAaD/omtwk8G8ZNqby NBtO0ij0aWq/mCZWmntzZ2FfJvKYPmMSeWVCPsv3PDGtsvYz8Hf0GmfpIY+DsFXJFfn9 aSZw== X-Gm-Message-State: AOAM532y2TMs2JFgg1ZjG39fR+2caWMDpO30yMevAsT7YP/qX32Hg/XX iQim9l1cQ16ygJ5xBA2hazwE8ix8cme/Dg== 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 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 X-Mailman-Approved-At: Thu, 28 Jan 2021 19:44:35 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Yongqiang Niu , David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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);