From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=193.142.43.55 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793915232; b=cy4iB5gLPJiY1sPWG0jlluypn2sgFmYA7ZxIcqKC7K8re2ZSzsR9hyhxZxIFkHBpBZv9 /FcXu6a6tQfb083NieDDpOVQG/9uNDT7fpGALkoAVIofKAH2svIsa89W5kFG8KzkjiuK0 XDvmLM0KSIx95tonkZlnQAKzcgN/6eyDTJYjZNs3qhitEmYiK05avltnFxItvL1TNwp2Z Kik+ZCR4KNJIuwgOcyHP4N6ZY9y0gCP8hktXNSLSyaDw/43Kwn5MzNdygiFE7UcxOtvRQ 5XQss+py9eGOrSnMvmh05edSlRgAG45LyE5uQV+6hHyIuDGSiZLzYFw8p3qcXFgS7DA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793915232; h=DMARC-Filter:From:DKIM-Signature:DKIM-Signature:To:Cc:Subject: In-Reply-To:References:Date:Message-ID:MIME-Version:Content-Type; bh=fWEq7ANjuAxT0SsQWCA6NNqlsk5fygPVddvQlmahPzI=; b=z1VqrHeyYRUm9uww9UFUKJEALe2ueAFlWVKNAaF6gs/DCtiPcmj4JcZYK0XfR7axahot hLpyNyGLyfCpAnu63OR4JrYqgAyZXiioL28iUsNNxWDTVA9F1DOW8UXYXLP1NUOpZkh0d wFG9AeliQFaoijpQMDJ4CL0qHzVHDXaj8By7ME7O5AKitM8IRPFKfnd6/mpHHOQUsMBcs Izp1y97yyUclVzB4mRR8eoN0J2PUin26Q7fJZSLm41UMV48OhsKOOxXx7aZPx1Q8Q/FTB hAlmu0BLc5AFTKB1Vf0xlItRvNFQ6JMapsWl/HM9FYRC0lt0Oa2vIV6ES8pg6pMR8yQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=oY6hUsF2; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=Kzv9OIGZ; arc=none smtp.remote-ip=193.142.43.55 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 4A5A5606A32D; Thu, 5 Nov 2026 21:47:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 4A5A5606A32D Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=oY6hUsF2; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=Kzv9OIGZ From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1793915229; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=fWEq7ANjuAxT0SsQWCA6NNqlsk5fygPVddvQlmahPzI=; b=oY6hUsF2Jx+NRaoHk81kEfoNEY+zkReOYRbyvhWrJy4CqaCVDc/BA2X+16JJnZXeTPyy5K rnI7LOgaXmNRBNvXnGM+EgGTyQOBt8xy/GPCJJQgaXzTHvc7YbxvJ4P6tk8gUAgkWAlsmf sNr9aArKBucyyonucqvG9lGYA164GHmgyRp09lEuQIQWmaIW1MF/zmnBWSXF/Xj/QF5MUF X4yocNFsZcXQ+IAchbLZ4X70PhEHRpRBxSGeefm1GAopDbSo8s3fyeOCVTnH/EEe1rA1ra ApljPya+O4QdZIWd0iQpY1uie2Jn9IvWO6fry+v2OK1AqHjstIqp+DhfZfJCIA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1793915229; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=fWEq7ANjuAxT0SsQWCA6NNqlsk5fygPVddvQlmahPzI=; b=Kzv9OIGZXm3GfDja/e1kGOPpANmqPEdnG3/UWpLWsZ3yo+uGUbKbLNxSzBkZkOCvBFQ7qN Yv7wNl+KWROkx+Aw== To: Daniel Matyas , dri-devel@lists.freedesktop.org Cc: Daniel Matyas , linux-staging@lists.linux.dev, Andy Shevchenko , Greg Kroah-Hartman , Alex Lanzano , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [RFC] staging: fbtft: Moving fb_ili9341 (and others) to DRM In-Reply-To: <20261105201154.37294-2-matyasdaniel006@gmail.com> References: <20261105201154.37294-2-matyasdaniel006@gmail.com> Date: Thu, 05 Nov 2026 22:47:06 +0100 Message-ID: <874idv2bol.fsf@yellow.woof> 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-Type: text/plain Daniel Matyas writes: > Questions: > a) Is removing fb_ili9341 acceptable, pointing users of other ILI9341 > modules to panel-mipi-dbi? The KD233 node would then have no driver. > b) Or should KD233 panel support go into a DRM driver first? I don't have > its init sequence or physical size, or the board... > c) Is removal of all of fbtft already planned? > d) Several other fbtft drivers have drm counterparts. Should I inspect those > to see if removal is needed? IIRC the main reason fbtft needs to stay is because it supports parallel interface which is missing in the DRM drivers. Nam