From patchwork Thu Nov 30 14:16:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 13474452 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E5629C4167B for ; Thu, 30 Nov 2023 14:17:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D888910E70D; Thu, 30 Nov 2023 14:17:28 +0000 (UTC) Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4DE3E10E708 for ; Thu, 30 Nov 2023 14:17:20 +0000 (UTC) Received: by mail-ej1-x62d.google.com with SMTP id a640c23a62f3a-a18b0f69b33so111517166b.0 for ; Thu, 30 Nov 2023 06:17:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1701353838; x=1701958638; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=LRuU/Yf3+WOs2/s3BqHchrpBnPmBNhkaR5Vfu/UBGmU=; b=IDrxSVJuYiisKe+91u2sJ9eKn9d0kPr21zsuVWcwDqzZf8I6HFzhaWlay34p6D1ihx +ms7S4LgZgneic4q04dx2nKD+Qv+mtwen5iI2cjMzmKPV1So0a8czurj5qqH+qq1ipBe 2rbt2j6Ut3pMff6NheaL44WXgGYLuN69MhLZY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701353838; x=1701958638; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=LRuU/Yf3+WOs2/s3BqHchrpBnPmBNhkaR5Vfu/UBGmU=; b=XN3N3tp8NMzli3wTI+aICi2VVD63LDKHhbon4OYQbDgAuwwLYw3BOnIwhj/HtrK4B3 nq8/QgKzYx6jFUGf2/bqZGAvO2fdd2ye4aYpOFXvtEClbxEkxstJGFfBXUbHgsoyxfjy 6n3NVpCZ7m/EZhjguJbKOaJZc7sI8i8AYKR7yKefA8toliEaybM7y+UjNbM8Nhks8Phf fe1MtOxtOBXZ4CVZcMwxn7T9MFvq3YbmkXCHpN07sjcWOo4oFqgnomwTWmE0P/Sr2Em0 TzXgouV4deB+FFLZqX3qUtEhcICkSUsSgRA+cViKWhP/oHxK4jILBmvJMQ4kflxvJTQ7 cxkQ== X-Gm-Message-State: AOJu0YxxObpzcUUw+rFRRLuBjkj2G30D9iLnjC4hOTf0C3+teDs1Ff7/ 7YWKFDnCs6gVraaXYsVq6DzXcw== X-Google-Smtp-Source: AGHT+IHdMxmxgR2HxolYhbHNxz+aCeCS19l5l5Eqtur1aa8feojY3KHYn45CFJYV+wVmeAhvP5BhUQ== X-Received: by 2002:a17:906:20dd:b0:a18:a1e7:5682 with SMTP id c29-20020a17090620dd00b00a18a1e75682mr1828465ejc.14.1701353838727; Thu, 30 Nov 2023 06:17:18 -0800 (PST) Received: from localhost.localdomain ([2001:b07:6474:ebbf:d1eb:b106:516d:db0a]) by smtp.gmail.com with ESMTPSA id my18-20020a1709065a5200b009f28db2b702sm716064ejc.209.2023.11.30.06.17.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Nov 2023 06:17:18 -0800 (PST) From: Dario Binacchi To: linux-kernel@vger.kernel.org Subject: [PATCH v3 04/10] drm: bridge: samsung-dsim: complete the CLKLANE_STOP setting Date: Thu, 30 Nov 2023 15:16:21 +0100 Message-ID: <20231130141705.1796672-5-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231130141705.1796672-1-dario.binacchi@amarulasolutions.com> References: <20231130141705.1796672-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 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: Maxime Ripard , Neil Armstrong , Dario Binacchi , Robert Foss , Andrzej Hajda , Thomas Zimmermann , Jonas Karlman , Amarula patchwork , dri-devel@lists.freedesktop.org, Jernej Skrabec , Jagan Teki , Marek Szyprowski , michael@amarulasolutions.com, Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The patch completes the setting of CLKLANE_STOP for the imx8mn and imx8mp platforms (i. e. not exynos). Co-developed-by: Michael Trimarchi Signed-off-by: Michael Trimarchi Signed-off-by: Dario Binacchi --- (no changes since v1) drivers/gpu/drm/bridge/samsung-dsim.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 15bf05b2bbe4..13f181c99d7e 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -96,6 +96,7 @@ #define DSIM_MFLUSH_VS BIT(29) /* This flag is valid only for exynos3250/3472/5260/5430 */ #define DSIM_CLKLANE_STOP BIT(30) +#define DSIM_NON_CONTINUOUS_CLKLANE BIT(31) /* DSIM_ESCMODE */ #define DSIM_TX_TRIGGER_RST BIT(4) @@ -945,8 +946,12 @@ static int samsung_dsim_init_link(struct samsung_dsim *dsi) * power consumption. */ if (driver_data->has_clklane_stop && - dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) + dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) { + if (!samsung_dsim_hw_is_exynos(dsi->plat_data->hw_type)) + reg |= DSIM_NON_CONTINUOUS_CLKLANE; + reg |= DSIM_CLKLANE_STOP; + } samsung_dsim_write(dsi, DSIM_CONFIG_REG, reg); lanes_mask = BIT(dsi->lanes) - 1;