From patchwork Mon Dec 12 18:29:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 633448 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 43F9BC4332F for ; Mon, 12 Dec 2022 18:32:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232492AbiLLScF (ORCPT ); Mon, 12 Dec 2022 13:32:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233941AbiLLSbN (ORCPT ); Mon, 12 Dec 2022 13:31:13 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52B91183A2 for ; Mon, 12 Dec 2022 10:29:37 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id g10so12941450plo.11 for ; Mon, 12 Dec 2022 10:29:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; 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=R+Av/2b/ycy/RF3odcL3zI/UzS7FDZGXbIff6fnk4N0=; b=BnDGNHVrwFfXAnM9SyZeC9QH9o6KivMSPD1A8n6oPm6t8kdRpWWFIfq14tbtVxieWz Qd723axcn8ltXjluGv/NZ9rPBedPFTN0XSwPp5OOdMkHzagWOXC6AnEJC5kUqJQxFkqr RJB4Iqe6+yNzfy6qElEhLaGzuElsUeplD426M= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=R+Av/2b/ycy/RF3odcL3zI/UzS7FDZGXbIff6fnk4N0=; b=DCeWOb/GSoDXZWDs78t0fAX0xA1PB5XxXwnNM0B1eglVjKPDkQ2/4q11qE+SRRhJFo kcecjFoUyD4ZZKtNRcDWTKLwXqzSZwQ/SLpeN9xmj//OisV+UAsKRU5j7agR6yV82J5Y 73luVn4Q9fskTdmSrnuo9VDXqBgKnPTKtHwl+IxWQpaOYpeDs+8b/Gbeu0uUx5WmACiP vBW6gzIJy8JTiai/NwotyicZDc9QJSbfSvE4un9HC3qqyj/WKtzT7I2ogw/vE0UnUTog sh3xVLq8ZSiaCUIb88p1RRzEJgH1UlrWUS2MqSXGMM1PRTHKQyYJRgTeSRRPE8jSe+HM Vt5Q== X-Gm-Message-State: ANoB5pnWC6cIYStmYIY8CYmaNnd1a0ZA+Ax9/YVyVMG9iiiXR2XbFvOh TxC1xRVistbdOcnx5uyaTsZEyg== X-Google-Smtp-Source: AA0mqf5hsCFAcHLuL+AKUeephHjjqJ2dqqQyzD8sLhqo13HfDb8qhj+/6xrx4HNXqbUYYXrCRXyb1g== X-Received: by 2002:a05:6a20:69a0:b0:9d:efbe:52ae with SMTP id t32-20020a056a2069a000b0009defbe52aemr27929032pzk.30.1670869776804; Mon, 12 Dec 2022 10:29:36 -0800 (PST) Received: from localhost.localdomain ([2405:201:c00a:a809:c713:dc69:f2de:e52f]) by smtp.gmail.com with ESMTPSA id n28-20020a634d5c000000b0046fefb18a09sm5357998pgl.91.2022.12.12.10.29.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Dec 2022 10:29:36 -0800 (PST) From: Jagan Teki To: Marek Szyprowski , Inki Dae , Seung-Woo Kim , Kyungmin Park , Neil Armstrong , Robert Foss , Andrzej Hajda , Sam Ravnborg Cc: Marek Vasut , linux-samsung-soc@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-amarula , Jagan Teki Subject: [PATCH v11 1/3] drm: panel: Enable prepare_prev_first flag for samsung-s6e panels Date: Mon, 12 Dec 2022 23:59:21 +0530 Message-Id: <20221212182923.29155-2-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221212182923.29155-1-jagan@amarulasolutions.com> References: <20221212182923.29155-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Enable the drm panel prepare_prev_first flag so-that the previous controller should be prepared first before the prepare for the panel is called.     samsung-s6e3ha2, samsung-s6e63j0x03 and samsung-s6e8aa0 are the effected samsung-s6e panels for this change.     This makes sure that the previous controller, likely to be a DSI host controller should be initialized to LP-11 before the panel is powered up. Signed-off-by: Marek Szyprowski Signed-off-by: Jagan Teki Reviewed-by: Frieder Schrempf --- Changes for v11, v10: - none drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c | 1 + drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c | 1 + drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c | 1 + 3 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c index 5c621b15e84c..1355b2c27932 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c @@ -731,6 +731,7 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e3ha2_drm_funcs, DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; drm_panel_add(&ctx->panel); diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c index e06fd35de814..3223a9d06a50 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c @@ -462,6 +462,7 @@ static int s6e63j0x03_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e63j0x03_funcs, DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; ctx->bl_dev = backlight_device_register("s6e63j0x03", dev, ctx, &s6e63j0x03_bl_ops, NULL); diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c index 54213beafaf5..362eb10f10ce 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c @@ -1018,6 +1018,7 @@ static int s6e8aa0_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &s6e8aa0_drm_funcs, DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; drm_panel_add(&ctx->panel);