From patchwork Wed Mar 29 13:16:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 13192395 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 3E9A9C761A6 for ; Wed, 29 Mar 2023 13:18:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5810010EAB8; Wed, 29 Mar 2023 13:18:22 +0000 (UTC) Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by gabe.freedesktop.org (Postfix) with ESMTPS id B74F910EAB7 for ; Wed, 29 Mar 2023 13:18:19 +0000 (UTC) Received: by mail-pj1-x102f.google.com with SMTP id l9-20020a17090a3f0900b0023d32684e7fso3775284pjc.1 for ; Wed, 29 Mar 2023 06:18:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1680095899; 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=f+Jq4CQBAwZOjvBLdvikVzLpWjI0SGbxRpeBtUQtDcQ=; b=Ou/OtLmpNc78F/fwnqk1lzBgwyfUoX8VK7o4RpfnSYek0c6mzr55RafkbJPWpVDXEi eUvONb1/8WR9m/S+MqqA3BfxCALKIkNuYaZPDo/X4FFKOP2gHBDL14hZsB51ThK0gMCo E1irsVQt1JZisYTFF7Lfw1qND+3EgJ+bff+GA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680095899; 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=f+Jq4CQBAwZOjvBLdvikVzLpWjI0SGbxRpeBtUQtDcQ=; b=xc12kTHuP4lYxCMr0dJYGyQUkdfM4MtnP09bl2NmpjhoJGKqML7+XmEJkszNovZEy+ SVJon0+qbAqc6bABi/bGInYDgJmFfl/rbn9y71/OWOD5f5GpgYda/DNvRzZnWYubTnqJ +gRO/z4Q5xIgyzna+70zBVQzo/V2d7owO+yXCjljd9Of3Rq3HKk9i+eHgTz1wksnOldO UAEUjs+5lkdL/GonK5kH6LlBnn+zbo4HviTv/+WaHkHwRCX7Qy83GmyuZgnXgl9blyvo yIsBYtEqrFwtZHlsrsXErYzdvkrGu7ijKvxtDdrs97vlwv0oIRzcgz55TNGpwrEdE90F Rvog== X-Gm-Message-State: AAQBX9dmuDvo+luDvSa3E5w6v3fQoWA3AZBl3p6Z7NlHfKXx2ITRhNWX 5PJWgJSwhyRswoop+jXCyZLBEA== X-Google-Smtp-Source: AKy350YCiiWm/rDw6yILBFYbQ4o+gaIGsdINxQHWQbNw3orvvBWljZZZiHyHon7RGJ7hUl10VDOAFQ== X-Received: by 2002:a17:90b:1e4f:b0:23b:4438:e9ee with SMTP id pi15-20020a17090b1e4f00b0023b4438e9eemr2098113pjb.12.1680095899302; Wed, 29 Mar 2023 06:18:19 -0700 (PDT) Received: from localhost.localdomain ([2405:201:c00a:a047:206d:4722:c4fa:e845]) by smtp.gmail.com with ESMTPSA id s16-20020a17090b071000b0023f5c867f82sm1400192pjz.41.2023.03.29.06.18.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Mar 2023 06:18:18 -0700 (PDT) From: Jagan Teki To: Dave Stevenson , Maxime Ripard , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Sam Ravnborg , Rob Herring , Krzysztof Kozlowski Subject: [PATCH v7 05/12] drm: panel: sitronix-st7703: Enable prepare_prev_first for xbd599 Date: Wed, 29 Mar 2023 18:46:11 +0530 Message-Id: <20230329131615.1328366-6-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230329131615.1328366-1-jagan@amarulasolutions.com> References: <20230329131615.1328366-1-jagan@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: Marek Vasut , devicetree@vger.kernel.org, Ondrej Jirman , dri-devel@lists.freedesktop.org, Jagan Teki , linux-amarula , linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Enable the drm panel prepare_prev_first flag for xbd599 panel so-that the previous controller should be prepared first before the prepare for the panel is called.     This makes sure that the previous controller(sun6i-mipi-dsi), likely to be a DSI host controller should be initialized to LP-11 before the panel is powered up. Cc: Ondrej Jirman Signed-off-by: Jagan Teki --- Changes for v7: - new patch drivers/gpu/drm/panel/panel-sitronix-st7703.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index 6747ca237ced..6e6112f5d971 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -65,6 +65,7 @@ struct st7703_panel_desc { unsigned int lanes; unsigned long mode_flags; enum mipi_dsi_pixel_format format; + bool prepare_prev_first; int (*init_sequence)(struct st7703 *ctx); }; @@ -335,6 +336,7 @@ static const struct st7703_panel_desc xbd599_desc = { .lanes = 4, .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE, .format = MIPI_DSI_FMT_RGB888, + .prepare_prev_first = true, .init_sequence = xbd599_init_sequence, }; @@ -544,6 +546,7 @@ static int st7703_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &st7703_drm_funcs, DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = ctx->desc->prepare_prev_first; ret = drm_panel_of_backlight(&ctx->panel); if (ret)