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Thu, 22 Oct 2026 06:23:30 -0700 (PDT) Received: from xeon ([188.163.112.62]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b40313074esm1818061a12.27.2026.10.22.06.23.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Oct 2026 06:23:26 -0700 (PDT) From: Svyatoslav Ryhel To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Mikko Perttunen , Svyatoslav Ryhel Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v4 3/7] drm/panel: Add LG LH400WV3-SD04 MIPI DBI Type B panel driver Date: Thu, 22 Oct 2026 16:22:55 +0300 Message-ID: <20261022132259.240717-4-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261022132259.240717-1-clamor95@gmail.com> References: <20261022132259.240717-1-clamor95@gmail.com> X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add a driver for panel used in LG Optimus 2X P990. Panel is 4" WVGA MIPI DBI Type B linked to DRM encoder via RGB to DBI bridge. Signed-off-by: Svyatoslav Ryhel --- drivers/gpu/drm/panel/Kconfig | 13 ++ drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-lg-lh400wv3.c | 236 ++++++++++++++++++++++ 3 files changed, 250 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-lg-lh400wv3.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 5f68b78526c3e..f29b63ad8ba0f 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -554,6 +554,19 @@ config DRM_PANEL_LG_LG4573 Say Y here if you want to enable support for LG4573 RGB panel. To compile this driver as a module, choose M here. +config DRM_PANEL_LG_LH400WV3 + tristate "LG LH400WV3 MIPI DBI Type B panel" + depends on OF + depends on BACKLIGHT_CLASS_DEVICE + select DRM_MIPI_DBI + select VIDEOMODE_HELPERS + help + Say Y here if you want to enable support for the LG LH400WV3 MIPI + DBI Type B panel found in the LG Optimus 2X P990 smartphone. + + To compile this driver as a module, choose M here: the module will + be called panel-lg-lh400wv3. + config DRM_PANEL_LG_SW43408 tristate "LG SW43408 panel" depends on GPIOLIB diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 414267a49d922..842a2a973777f 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -54,6 +54,7 @@ obj-$(CONFIG_DRM_PANEL_LINCOLNTECH_LCD197) += panel-lincolntech-lcd197.o obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o obj-$(CONFIG_DRM_PANEL_LG_LD070WX3) += panel-lg-ld070wx3.o obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o +obj-$(CONFIG_DRM_PANEL_LG_LH400WV3) += panel-lg-lh400wv3.o obj-$(CONFIG_DRM_PANEL_LG_SW43408) += panel-lg-sw43408.o obj-$(CONFIG_DRM_PANEL_LXD_M9189A) += panel-lxd-m9189a.o obj-$(CONFIG_DRM_PANEL_MAGNACHIP_D53E6EA8966) += panel-magnachip-d53e6ea8966.o diff --git a/drivers/gpu/drm/panel/panel-lg-lh400wv3.c b/drivers/gpu/drm/panel/panel-lg-lh400wv3.c new file mode 100644 index 0000000000000..557bcb6f2ca70 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-lg-lh400wv3.c @@ -0,0 +1,236 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include