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[89.139.129.65]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439fe22529csm7058657f8f.31.2026.03.12.04.55.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Mar 2026 04:55:14 -0700 (PDT) From: Yedaya Katsman Date: Thu, 12 Mar 2026 13:55:08 +0200 Subject: [PATCH v3 1/3] dt-bindings: display: panel: Add Samsung S6E8FCO-M1906F9 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260312-panel-patches-v3-1-6ed8c006d0be@gmail.com> References: <20260312-panel-patches-v3-0-6ed8c006d0be@gmail.com> In-Reply-To: <20260312-panel-patches-v3-0-6ed8c006d0be@gmail.com> To: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Kamil_Go=C5=82da?= , Bjorn Andersson , Konrad Dybcio Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Yedaya Katsman X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773316510; l=2891; i=yedaya.ka@gmail.com; s=20260113; h=from:subject:message-id; bh=uByAyEgww3agiRACJzADzQxPrUayRMLsCPUXIA0Shko=; b=VQU7g4QQ/Atsa34lKMyddc/HL+xKZzUSD6FVv6UFY6eEteEgcM249RuupxeJgVzwWBq0hOR3G ZFbRjiEeqEOAlVsljXTbxBNbbJUlE6cBR9WrBqWuPNJ8LKKBe4Kct86 X-Developer-Key: i=yedaya.ka@gmail.com; a=ed25519; pk=CgNmxD3tYSws5dZfpmJfc6re/bV/f47veVijddHLytk= Document Samsung S6E8FCO DTS binding used with the M1906F9 6.09" 720x1560 panel found in the Xiaomi Mi A3 smartphone. Co-developed-by: Kamil Go=C5=82da Signed-off-by: Kamil Go=C5=82da Signed-off-by: Yedaya Katsman --- .../display/panel/samsung,s6e8fco-m1906f9.yaml | 63 ++++++++++++++++++= ++++ MAINTAINERS | 5 ++ 2 files changed, 68 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e8fc= o-m1906f9.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6= e8fco-m1906f9.yaml new file mode 100644 index 0000000000000000000000000000000000000000..927d170793dcd49c19ebe353268= 980710ad4b5b2 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6e8fco-m1906= f9.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,s6e8fco-m1906f9.y= aml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S6E8FCO DSI for the Samsung M1906F9 AMOLED Panel + +maintainers: + - Yedaya Katsman + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: samsung,s6e8fco-m1906f9 + + reg: + maxItems: 1 + + vddi-supply: + description: VDDI regulator + vci-supply: + description: VCI regulator + reset-gpios: true + port: true + +required: + - compatible + - reg + - vddi-supply + - vci-supply + - port + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells =3D <1>; + #size-cells =3D <0>; + + panel@0 { + compatible =3D "samsung,s6e8fco-m1906f9"; + reg =3D <0>; + + vddi-supply =3D <&panel_vddi_1p8>; + vci-supply =3D <&panel_vci_3p0>; + + reset-gpios =3D <&tlmm 90 GPIO_ACTIVE_LOW>; + + port { + panel_in: endpoint { + remote-endpoint =3D <&mdss_dsi0_out>; + }; + }; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index e087673237636268346979ddc270f8cf0905c722..d7aee8dab903cd42c245fea3cf8= 971dcd99b2196 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8183,6 +8183,11 @@ S: Maintained F: Documentation/devicetree/bindings/display/panel/samsung,s6e3ha8.yaml F: drivers/gpu/drm/panel/panel-samsung-s6e3ha8.c =20 +DRM DRIVER FOR SAMSUNG S6E8FCO PANELS +M: Yedaya Katsman +S: Maintained +F: Documentation/devicetree/bindings/display/panel/samsung,s6e8fco-m1906f9= .yaml + DRM DRIVER FOR SAMSUNG SOFEF00 DDIC M: David Heidelberg M: Casey Connolly --=20 2.53.0 From nobody Tue Apr 7 16:15:01 2026 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (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 3ACF239BFF5 for ; 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[89.139.129.65]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439fe22529csm7058657f8f.31.2026.03.12.04.55.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Mar 2026 04:55:16 -0700 (PDT) From: Yedaya Katsman Date: Thu, 12 Mar 2026 13:55:09 +0200 Subject: [PATCH v3 2/3] drm: panel: Add Samsung S6E8FCO DSI controller for M1906F9 panel Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260312-panel-patches-v3-2-6ed8c006d0be@gmail.com> References: <20260312-panel-patches-v3-0-6ed8c006d0be@gmail.com> In-Reply-To: <20260312-panel-patches-v3-0-6ed8c006d0be@gmail.com> To: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Kamil_Go=C5=82da?= , Bjorn Andersson , Konrad Dybcio Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Yedaya Katsman X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773316510; l=12761; i=yedaya.ka@gmail.com; s=20260113; h=from:subject:message-id; bh=m4dKAXdAH6DYSmhToOzqTyXzvgKyMUu2UsuHl6U3UaQ=; b=rJYnfQSIS0E8j9XCSofc3ODo4LiOjStxPf2kfWQ6KZPAPJoehQ0NFRs+39xmYLPNFHsb1tZc/ gtCm99/Ycn4CZdHvXUHUF28LiougZ0rZs1jF9UknyUKAD+0l/9/kapJ X-Developer-Key: i=yedaya.ka@gmail.com; a=ed25519; pk=CgNmxD3tYSws5dZfpmJfc6re/bV/f47veVijddHLytk= Add driver for Samsung S6E8FCO DSI controller for M1906F9 video mode panel, found in Xiaomi Mi A3 mobile phone. Co-developed-by: Kamil Go=C5=82da Signed-off-by: Kamil Go=C5=82da Signed-off-by: Yedaya Katsman --- MAINTAINERS | 1 + drivers/gpu/drm/panel/Kconfig | 13 + drivers/gpu/drm/panel/Makefile | 1 + .../gpu/drm/panel/panel-samsung-s6e8fco-m1906f9.c | 302 +++++++++++++++++= ++++ 4 files changed, 317 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index d7aee8dab903cd42c245fea3cf8971dcd99b2196..d00775a09445a8a1bd626ecfd27= 903471d08d33a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8187,6 +8187,7 @@ DRM DRIVER FOR SAMSUNG S6E8FCO PANELS M: Yedaya Katsman S: Maintained F: Documentation/devicetree/bindings/display/panel/samsung,s6e8fco-m1906f9= .yaml +F: drivers/gpu/drm/panel/panel-samsung-s6e8fco-m1906f9.c =20 DRM DRIVER FOR SAMSUNG SOFEF00 DDIC M: David Heidelberg diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 7a83804fedca1b688ce6fbe4295ec9009007e693..ee9cc6939f2ac1dc4542563fd73= f68ac5f9ee371 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -893,6 +893,19 @@ config DRM_PANEL_SAMSUNG_S6E8AA5X01_AMS561RA01 ~5.6 inch AMOLED display, and the controller is driven by the MIPI DSI protocol with 4 lanes. =20 +config DRM_PANEL_SAMSUNG_S6E8FCO_M1906F9 + tristate "Samsung M1906F9 panel with S6E8FCO DSI controller" + depends on OF + depends on BACKLIGHT_CLASS_DEVICE + select DRM_MIPI_DSI + select VIDEOMODE_HELPERS + help + Say Y or M here if you want to enable support for the Samsung video + mode panel M1906F9 (M1906F9SH or M1906F9SI), which uses the Samsung + S6E8FCO DSI controller. The panel has a 6.09 inch AMOLED display, + with a resolution of 720x1560. + Found in the Xiaomi Mi A3 smartphone (xiaomi-laurel). + config DRM_PANEL_SAMSUNG_SOFEF00 tristate "Samsung SOFEF00 DSI panel controller" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index b9562a6fdcb38bfd0dfee9e8c11e16149ada4386..19e1e898dfd4af2d34eafe7a6de= d5ad74fc7ee04 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -91,6 +91,7 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS427AP24) +=3D p= anel-samsung-s6e88a0-ams4 obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01) +=3D panel-samsung-s6e8= 8a0-ams452ef01.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) +=3D panel-samsung-s6e8aa0.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA5X01_AMS561RA01) +=3D panel-samsung-s= 6e8aa5x01-ams561ra01.o +obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8FCO_M1906F9) +=3D panel-samsung-s6e8fco= -m1906f9.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_SOFEF00) +=3D panel-samsung-sofef00.o obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) +=3D panel-seiko-43wvf1g.o obj-$(CONFIG_DRM_PANEL_SHARP_LQ079L1SX01) +=3D panel-sharp-lq079l1sx01.o diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e8fco-m1906f9.c b/driver= s/gpu/drm/panel/panel-samsung-s6e8fco-m1906f9.c new file mode 100644 index 0000000000000000000000000000000000000000..ccf18da59271dc4926a536f795a= 38d8eae349e00 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-samsung-s6e8fco-m1906f9.c @@ -0,0 +1,302 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) Kamil Go=C5=82da +// Copyright (c) Yedaya Katsman +// Generated with linux-mdss-dsi-panel-driver-generator from vendor device= tree: +// Copyright (c) The Linux Foundation. All rights reserved. + +#include +#include +#include +#include +#include +#include + +#include