From nobody Fri Dec 19 09:47:54 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 21938C4167B for ; Thu, 7 Dec 2023 14:22:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443260AbjLGOWH (ORCPT ); Thu, 7 Dec 2023 09:22:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1443188AbjLGOVs (ORCPT ); Thu, 7 Dec 2023 09:21:48 -0500 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE41319B9 for ; Thu, 7 Dec 2023 06:17:45 -0800 (PST) Received: by mail-ed1-x532.google.com with SMTP id 4fb4d7f45d1cf-54cff638658so1326632a12.1 for ; Thu, 07 Dec 2023 06:17:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1701958653; x=1702563453; 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=eIgxP2Rv9lsBhiVfoHBww21fMl3CDjqTWZk1fUXCQlmBP3xbjqEhlzcjtH7q6lEqfO NHOnOEDcUVjSgjTP3wo8Rsitl9Hwlfx8F3ob/SKzS0soZk3ozZfPv7N8aYMYCsn7wit5 WTnohP1M0buj/ed7tgh0PuAbWwLYA2Uc6yU6Y= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701958653; x=1702563453; 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=HsAowq5in1o1i0tT8xdOpU/6nL336jcXlO/Aeuqeho/E8Kc6XxYonYFmtmdmNSiidC QTV2PrEbPY0fN/tgsmR9dIV8ck+qswc6WuX2/3KU0IdgTlRFFgIpdAq1NykhLr+INmSC oRWYcOhgPcjuYbFXXzLvTh20LqvYf8dQTqHP/2uRmfmuFXkfQzyvdnjqco9iZgCgLWtC u1cWv/XAVWVnRzlAcki2Td2/Qy5CBd8ithNA9RM1Bb0I/g21ff8L3iQH8ZUUDj3/kCSB 5TfaYq8go6GahOFOWBNodCIVmiRDM5Dn9iJW1t14lYNjftHDBHa/lLt3LwQwVu6hENB2 WGzA== X-Gm-Message-State: AOJu0YzWsgoVrSVqXTX/dQsZnMMN+4LTfwThy6WJ1dm5nflqXUuumlr/ xenz31n/SyHu7e9FKm6m7Ldg9x1QgvBi0poiXQg1hg== X-Google-Smtp-Source: AGHT+IEXkPRNYwtzYN4bJ56aVKbKWo15GXlFCCREur+cBaC6pPT879kzp0Ctb2aW0i+7TuAVzZOEEQ== X-Received: by 2002:a17:906:b759:b0:a19:a19b:55f4 with SMTP id fx25-20020a170906b75900b00a19a19b55f4mr1531281ejb.132.1701958653107; Thu, 07 Dec 2023 06:17:33 -0800 (PST) Received: from localhost.localdomain ([2001:b07:6474:ebbf:9bf:959c:3c66:46c2]) by smtp.gmail.com with ESMTPSA id f24-20020a170906c09800b00a1e814b7155sm885421ejz.62.2023.12.07.06.17.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Dec 2023 06:17:32 -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 v5 04/10] drm: bridge: samsung-dsim: complete the CLKLANE_STOP setting Date: Thu, 7 Dec 2023 15:16:33 +0100 Message-ID: <20231207141723.108004-5-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231207141723.108004-1-dario.binacchi@amarulasolutions.com> References: <20231207141723.108004-1-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