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smtp.subspace.kernel.org; dmarc=none header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.remote-ip=159.226.251.81 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 65518606A324; Mon, 2 Nov 2026 13:47:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 65518606A324 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from edelgard.fodlan.icenowy.me (unknown [112.94.102.150]) by APP-03 (Coremail) with SMTP id rQCowAAnNJVvlOhqcL8wAA--.27568S2; Mon, 02 Nov 2026 21:47:27 +0800 (CST) Message-ID: Subject: Re: [PATCH 0/4] drm/panel: ili9881c: add support for Mingjun MJ070BI30IA2 From: Icenowy Zheng To: Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Han Gao Date: Mon, 02 Nov 2026 21:47:27 +0800 In-Reply-To: <179362684913.3310106.12917918779608270334.b4-ty@b4> References: <20261030-mj070bi30ia2-v1-0-a0f65b65c290@iscas.ac.cn> <179362684913.3310106.12917918779608270334.b4-ty@b4> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-CM-TRANSID:rQCowAAnNJVvlOhqcL8wAA--.27568S2 X-Coremail-Antispam: 1UD129KBjvJXoW7uryUtrWrWFy5Kw4rJw1UWrg_yoW8AryfpF Z7Ka43JFWDJrs5Ca4DXr1xJFyrW3yrZw1fArn8J3WkA3yDWFnYq3ySvw4Y9w17urs7Cr12 qFn5Xr1v93WDu3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvqb7Iv0xC_Zr1lb4IE77IF4wAFF20E14v26r4j6ryUM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4 A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IE w4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMc vjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvEwIxGrwACI402YVCY1x02628vn2kIc2xKxwCY 1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8Jw C20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAF wI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjx v20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2 jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0x ZFpf9x07jeoGQUUUUU= X-CM-SenderInfo: x2kh0wp0lqwv3d6l2u1dvotugofq/ =E5=9C=A8 2026-11-02=E4=B8=80=E7=9A=84 14:40 +0100=EF=BC=8CNeil Armstrong= =E5=86=99=E9=81=93=EF=BC=9A > Hi, >=20 > On Fri, 30 Oct 2026 13:44:11 +0800, Icenowy Zheng wrote: > > Mingjun MJ070BI30IA2 is a LCD panel used by the Lichee Console 4A > > device, with a initialization sequence matching other ILI9881C > > sequences. > >=20 > > In addition to the normal binding + sequence panel adding part, > > this > > patchset contains one extra patch trying to address a hardware > > quirk of > > Lichee Console 4A -- the panel could never be really powered off / > > reseted in hardware (the reset pin isn't wired to the mainboard, > > and the > > panel is powered with a always-on regulator). > >=20 > > [...] >=20 > Thanks, Applied to > https://gitlab.freedesktop.org/drm/misc/kernel.git=C2=A0(drm-misc-next) >=20 > [1/4] dt-bindings: vendor-prefixes: add Shenzhen Mingjun > Optoelectronics > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 > https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/f423a211f99ca820c= 2c99a84a3418aa505d6dd02 > [2/4] dt-bindings: ili9881c: add compatible string for Mingjun > MJ070BI30IA2 > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 > https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/ea74b623855291e60= 835c0f7fa7a29673332ad41 > [3/4] drm/panel: ilitek-ili9881c: add Mingjun MJ070BI30IA2 > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 (no commit info) > [4/4] drm/panel: ilitek-ili9881c: do a soft reset in unprepare Ah, the 4th patch is now found to be only needed because of the initialization sequence error found by Sashiko in the 3rd one. With the initialization sequence fixed by comparing to other panels, this patch would be unnecessary and panel sleep mode is now safe w/o software reset. Should I send a revert when sending the sequence fix? Thanks, Icenowy > callback > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 (no commit info)