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charset="utf-8" This adds the bindings for the 1080x1920 Lincoln LCD197 DSI panel to panel-simple-dsi. Signed-off-by: Jerome Brunet Acked-by: Conor Dooley --- .../devicetree/bindings/display/panel/panel-simple-dsi.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-d= si.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.= yaml index db5acd2807ed..9b92a05791cc 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml @@ -46,6 +46,8 @@ properties: - lg,ld070wx3-sl01 # LG Corporation 5" HD TFT LCD panel - lg,lh500wx1-sd03 + # Lincoln LCD197 5" 1080x1920 LCD panel + - lincolntech,lcd197 # One Stop Displays OSD101T2587-53TS 10.1" 1920x1200 panel - osddisplays,osd101t2587-53ts # Panasonic 10" WUXGA TFT LCD panel --=20 2.43.0 From nobody Wed Dec 17 23:30:23 2025 Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com [209.85.208.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0D6E41850A5 for ; 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charset="utf-8" Like for mipi_dsi_msleep(), usleep_range() may often be called in between mipi_dsi_dcs_*() functions and needs a multi compatible counter part. Suggested-by: Dmitry Baryshkov Signed-off-by: Jerome Brunet Reviewed-by: Neil Armstrong --- include/drm/drm_mipi_dsi.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 71d121aeef24..0f520eeeaa8e 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -10,6 +10,7 @@ #define __DRM_MIPI_DSI_H__ =20 #include +#include =20 struct mipi_dsi_host; struct mipi_dsi_device; @@ -297,6 +298,12 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *= dsi, const void *params, msleep(delay); \ } while (0) =20 +#define mipi_dsi_usleep_range(ctx, min, max) \ + do { \ + if (!(ctx)->accum_err) \ + usleep_range(min, max); \ + } while (0) + /** * enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode * @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanki= ng --=20 2.43.0 From nobody Wed Dec 17 23:30:23 2025 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 18296185E61 for ; 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Wed, 26 Jun 2024 07:22:33 -0700 (PDT) Received: from toaster.lan ([2a01:e0a:3c5:5fb1:7be7:aef1:af9e:fff6]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-424c823c28asm27141105e9.5.2024.06.26.07.22.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jun 2024 07:22:32 -0700 (PDT) From: Jerome Brunet To: Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Cc: Jerome Brunet , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , dri-devel@lists.freedesktop.org, Dmitry Baryshkov Subject: [PATCH v2 3/3] drm/panel: add lincolntech lcd197 support Date: Wed, 26 Jun 2024 16:22:09 +0200 Message-ID: <20240626142212.1341556-4-jbrunet@baylibre.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240626142212.1341556-1-jbrunet@baylibre.com> References: <20240626142212.1341556-1-jbrunet@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Bot: notify Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add support for the Lincoln Technologies LCD197 1080x1920 DSI panel. Signed-off-by: Jerome Brunet Reviewed-by: Neil Armstrong --- drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + .../gpu/drm/panel/panel-lincolntech-lcd197.c | 262 ++++++++++++++++++ 3 files changed, 274 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-lincolntech-lcd197.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index bf4eadfe21cb..30206be56f68 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -328,6 +328,17 @@ config DRM_PANEL_LEADTEK_LTK500HD1829 24 bit RGB per pixel. It provides a MIPI DSI interface to the host and has a built-in LED backlight. =20 +config DRM_PANEL_LINCOLNTECH_LCD197 + tristate "Lincoln Technologies lcd197 panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for lincolntech lcd197 + TFT-LCD modules. The panel has a 1080x1920 resolution and uses + 24 bit RGB per pixel. It provides a MIPI DSI interface to + the host. + config DRM_PANEL_LG_LB035Q02 tristate "LG LB035Q024573 RGB panel" depends on GPIOLIB && OF && SPI diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 051b75b3df7b..7706ff9087d8 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_DRM_PANEL_KHADAS_TS050) +=3D panel-khadas-ts= 050.o obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) +=3D panel-kingdisplay-kd097d= 04.o obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W) +=3D panel-leadtek-ltk050h314= 6w.o obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) +=3D panel-leadtek-ltk500hd18= 29.o +obj-$(CONFIG_DRM_PANEL_LINCOLNTECH_LCD197) +=3D panel-lincolntech-lcd197.o obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) +=3D panel-lg-lb035q02.o obj-$(CONFIG_DRM_PANEL_LG_LG4573) +=3D panel-lg-lg4573.o obj-$(CONFIG_DRM_PANEL_LG_SW43408) +=3D panel-lg-sw43408.o diff --git a/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c b/drivers/gpu= /drm/panel/panel-lincolntech-lcd197.c new file mode 100644 index 000000000000..032c542aab0f --- /dev/null +++ b/drivers/gpu/drm/panel/panel-lincolntech-lcd197.c @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2024 BayLibre, SAS + * Author: Jerome Brunet + */ + +#include +#include +#include +#include + +#include