From patchwork Mon Nov 28 16:28:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Diogo Ivo X-Patchwork-Id: 13057799 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 E3F51C433FE for ; Mon, 28 Nov 2022 16:29:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8195910E2F1; Mon, 28 Nov 2022 16:29:37 +0000 (UTC) Received: from smtp1.tecnico.ulisboa.pt (smtp1.tecnico.ulisboa.pt [193.136.128.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id AD47D10E2F2 for ; Mon, 28 Nov 2022 16:29:34 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp1.tecnico.ulisboa.pt (Postfix) with ESMTP id 5472C600C80B; Mon, 28 Nov 2022 16:29:32 +0000 (WET) X-Virus-Scanned: by amavisd-new-2.11.0 (20160426) (Debian) at tecnico.ulisboa.pt Received: from smtp1.tecnico.ulisboa.pt ([127.0.0.1]) by localhost (smtp1.tecnico.ulisboa.pt [127.0.0.1]) (amavisd-new, port 10025) with LMTP id VH-4vYs0rA65; Mon, 28 Nov 2022 16:29:29 +0000 (WET) Received: from mail1.tecnico.ulisboa.pt (mail1.ist.utl.pt [IPv6:2001:690:2100:1::b3dd:b9ac]) by smtp1.tecnico.ulisboa.pt (Postfix) with ESMTPS id 4BBF6600883E; Mon, 28 Nov 2022 16:29:29 +0000 (WET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tecnico.ulisboa.pt; s=mail; t=1669652969; bh=rLPSMEa5QR4W2bAIa2PZGeA+BLLtvrDQHBpWE5Lx8n4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=EwmjsxDGiaQOZHZPj63B1zT0PDO2Td/MDoTKsjCPWkCggCiEFe9uNcqAxBWq2z2wJ ziwo4JY/UIwczppRNKIrwTeVB3PXGOZg/3fnbQaRVBysMlRbFzp1YGDKSvsXt2YIdt CLRvm/U1NGUMDpZxFZ2w76AzwNHAE8pzJSO/HaA8= Received: from wslaptop.lan (unknown [IPv6:2001:818:dcb5:dc00:d990:b664:f16:4cb2]) (Authenticated sender: ist187313) by mail1.tecnico.ulisboa.pt (Postfix) with ESMTPSA id 1E7EC360073; Mon, 28 Nov 2022 16:29:29 +0000 (WET) From: Diogo Ivo To: Subject: [PATCH v2 RESEND 2/4] drm/tegra: dsi: Clear enable register if powered by bootloader Date: Mon, 28 Nov 2022 16:28:49 +0000 Message-Id: <20221128162851.110611-2-diogo.ivo@tecnico.ulisboa.pt> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221128162851.110611-1-diogo.ivo@tecnico.ulisboa.pt> References: <20221128162851.110611-1-diogo.ivo@tecnico.ulisboa.pt> 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: devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org, arnd@arndb.de, airlied@linux.ie, dri-devel@lists.freedesktop.org, jonathanh@nvidia.com, Diogo Ivo , robh+dt@kernel.org, thierry.reding@gmail.com, linux-tegra@vger.kernel.org, sam@ravnborg.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" In cases where the DSI module is left on by the bootloader some panels may fail to initialize if the enable register is not cleared before the panel's initialization sequence is sent, so clear it if that is the case. Signed-off-by: Diogo Ivo --- Changes in v2: - detect if the DSI module is on based on the register value, instead of a DT property. - remove Display Controller clear, since it is redundant. drivers/gpu/drm/tegra/dsi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index de1333dc0d86..5954676a7ab1 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -912,6 +912,15 @@ static void tegra_dsi_encoder_enable(struct drm_encoder *encoder) u32 value; int err; + /* If the bootloader enabled DSI it needs to be disabled + * in order for the panel initialization commands to be + * properly sent. + */ + value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL); + + if (value & DSI_POWER_CONTROL_ENABLE) + tegra_dsi_disable(dsi); + err = tegra_dsi_prepare(dsi); if (err < 0) { dev_err(dsi->dev, "failed to prepare: %d\n", err); From patchwork Mon Nov 28 16:28:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Diogo Ivo X-Patchwork-Id: 13057801 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 970E9C433FE for ; Mon, 28 Nov 2022 16:29:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4218210E2F7; Mon, 28 Nov 2022 16:29:40 +0000 (UTC) Received: from smtp1.tecnico.ulisboa.pt (smtp1.tecnico.ulisboa.pt [IPv6:2001:690:2100:1::15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2010110E2F4 for ; Mon, 28 Nov 2022 16:29:35 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp1.tecnico.ulisboa.pt (Postfix) with ESMTP id 739AF600C80F; Mon, 28 Nov 2022 16:29:33 +0000 (WET) X-Virus-Scanned: by amavisd-new-2.11.0 (20160426) (Debian) at tecnico.ulisboa.pt Received: from smtp1.tecnico.ulisboa.pt ([127.0.0.1]) by localhost (smtp1.tecnico.ulisboa.pt [127.0.0.1]) (amavisd-new, port 10025) with LMTP id Jh1hMnWqn47s; Mon, 28 Nov 2022 16:29:30 +0000 (WET) Received: from mail1.tecnico.ulisboa.pt (mail1.ist.utl.pt [IPv6:2001:690:2100:1::b3dd:b9ac]) by smtp1.tecnico.ulisboa.pt (Postfix) with ESMTPS id 1BC586008819; Mon, 28 Nov 2022 16:29:30 +0000 (WET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tecnico.ulisboa.pt; s=mail; t=1669652970; bh=BPVkVfEk8yM0EhhZ1yWuOhnFpX4UfwUcVafyygsvKwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=dTk7NDB/v9zWTnjXiNjJZEJ0l7YIyCAZFeh5TV22fRrVZUF0d3M1znUyD/OJUU/Wx c7fdY/yHJSCirizt3Jd3nJ5hy/abf3oOPuH8XlNuNSUN02ccyNJpQ6i5ysB7F7y5Lh khEmjLpZo3P3rmfcQYAQnu94o07Sl8oFWaLpvU8k= Received: from wslaptop.lan (unknown [IPv6:2001:818:dcb5:dc00:d990:b664:f16:4cb2]) (Authenticated sender: ist187313) by mail1.tecnico.ulisboa.pt (Postfix) with ESMTPSA id E0FA9360073; Mon, 28 Nov 2022 16:29:29 +0000 (WET) From: Diogo Ivo To: Subject: [PATCH v2 RESEND 3/4] drm/panel: Add driver for JDI LPM102A188A Date: Mon, 28 Nov 2022 16:28:50 +0000 Message-Id: <20221128162851.110611-3-diogo.ivo@tecnico.ulisboa.pt> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221128162851.110611-1-diogo.ivo@tecnico.ulisboa.pt> References: <20221128162851.110611-1-diogo.ivo@tecnico.ulisboa.pt> 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: devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org, arnd@arndb.de, airlied@linux.ie, dri-devel@lists.freedesktop.org, jonathanh@nvidia.com, Diogo Ivo , robh+dt@kernel.org, thierry.reding@gmail.com, linux-tegra@vger.kernel.org, sam@ravnborg.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The JDI LPM102A188A is a 2560x1800 IPS panel found in the Google Pixel C. This driver is based on the downstream GPLv2 driver released by Google written by Sean Paul [1], which was then adapted to the newer kernel APIs. [1]: https://android.googlesource.com/kernel/tegra/+/refs/heads/android-tegra-dragon-3.18-oreo/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c Signed-off-by: Diogo Ivo --- Changes in v2: - tuned backlight delays drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c | 509 ++++++++++++++++++ 3 files changed, 521 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index a582ddd583c2..80eda8f6bee0 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -214,6 +214,17 @@ config DRM_PANEL_JDI_LT070ME05000 The panel has a 1200(RGB)×1920 (WUXGA) resolution and uses 24 bit per pixel. +config DRM_PANEL_JDI_LPM102A188A + tristate "JDI LPM102A188A DSI panel" + depends on OF && GPIOLIB + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for JDI LPM102A188A DSI + control mode panel as found in Google Pixel C devices. + The panel has a 2560×1800 resolution. It provides a MIPI DSI interface + to the host. + config DRM_PANEL_JDI_R63452 tristate "JDI R63452 Full HD DSI panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 34e717382dbb..2870cba96d14 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o obj-$(CONFIG_DRM_PANEL_INNOLUX_EJ030NA) += panel-innolux-ej030na.o obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o +obj-$(CONFIG_DRM_PANEL_JDI_LPM102A188A) += panel-jdi-lpm102a188a.o obj-$(CONFIG_DRM_PANEL_JDI_R63452) += panel-jdi-fhd-r63452.o obj-$(CONFIG_DRM_PANEL_KHADAS_TS050) += panel-khadas-ts050.o obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o diff --git a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c new file mode 100644 index 000000000000..980af82ad6d6 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c @@ -0,0 +1,509 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2014 Google, Inc. + * + * Copyright (C) 2022 Diogo Ivo + * + * Adapted from the downstream Pixel C driver written by Sean Paul + */ + +#include +#include +#include +#include +#include +#include + +#include