From nobody Wed Dec 17 02:40:37 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B7AEC4167B for ; Thu, 30 Nov 2023 14:17:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345991AbjK3ORV (ORCPT ); Thu, 30 Nov 2023 09:17:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345940AbjK3ORO (ORCPT ); Thu, 30 Nov 2023 09:17:14 -0500 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60BD385 for ; Thu, 30 Nov 2023 06:17:20 -0800 (PST) Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-a18b0f69b33so111519566b.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=vger.kernel.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=ajTJeqhwBV4+OZhstNIbMDi7arqPtoNOm1xx9NQjMJRhhWsucF8UiZ+5bEG31aEPHW uJVtsL3MQZyKn3JUVPrekmEALUfcV66F4iTPnyY0Nx5Y2OzBnIEr/j6xLe/vl00/KlJR LQuXadqo+stOuAfN/p0JVA0gKQ+kZh6O+xQC0= 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=N0W+KJSr6ol8XFyAWZRdmf3eJu62Sgsipf4/gAIzA5zwhY/PM1al0zrYtoyksxb/wR 8sYNnuFob0aCFrPXRO0lMwvU901eEeS2/VUYm7lHY9g0nYrLHpHWK4oMs7j1xxeqqi2b g/TKibGFkUdsDyTMVx8nA7IXJaE1DYqCzzQw8YgSjVFutYdH0vK9KTcYJ2rdRY3W0Iaz PKT9O9x81Io/R3/0HOXjRdLEFcdoEKUVtO5sEj2uFzBgOYYlHOIf1POaBJXr2/R7y46H PYslnacqk4XuKVEOt7Khwlh1kaOxEaVkQ6MSAvrOY+oFQ2cKnkf9LpA4879oMiZfPKeO CFDw== X-Gm-Message-State: AOJu0Yy49s+KkB5Kj4wUIzxsOK8jR7V2aoj6yqFuQTn9sW+Q4gTv5Qgb MDJOLhO3PZb5gdId7bP8ip8tQN4M3Vke3AI4VL9QGw== 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 Cc: Amarula patchwork , michael@amarulasolutions.com, Dario Binacchi , Andrzej Hajda , Daniel Vetter , David Airlie , Inki Dae , Jagan Teki , Jernej Skrabec , Jonas Karlman , Laurent Pinchart , Maarten Lankhorst , Marek Szyprowski , Maxime Ripard , Neil Armstrong , Robert Foss , Thomas Zimmermann , dri-devel@lists.freedesktop.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 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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) =20 /* 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 |=3D DSIM_NON_CONTINUOUS_CLKLANE; + reg |=3D DSIM_CLKLANE_STOP; + } samsung_dsim_write(dsi, DSIM_CONFIG_REG, reg); =20 lanes_mask =3D BIT(dsi->lanes) - 1; --=20 2.43.0