From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FF3F3BF68D for ; Tue, 18 Aug 2026 09:07:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787044034; cv=none; b=jrpoeoUs12RGItmVS+l7pVZ9frfGZAe+CBLQJynVy8yHt1L7riYal4GCekG2rHdqrtMfL6WNPBgwC6WSDsMmT5UwUWj1oSamu57yOSN/LSfFvajOSWgZswoKjig7pWWlZ5NWSXUrBcLMyyZnftno9svRrU8odyWTWZ8VOQvnp48= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787044034; c=relaxed/simple; bh=G5GtsFhXRurro9n+DCfuYLQ9nH7iRtZYR6fJtNO7USE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dsCoJFBu1hRPRU+6hrE0V35t1zatfbhN6CCw2EXM+Rw1KdbQ7GdUgazwlGdVOo+hu79q9SoYpUbM3PJXKRbbPPSlM0Hl3bsENfEcGuvHvrgREwKSerE7YtDz+OwTFZ9T61wA4H4vzQBC6SqJ13YqIkt2WhA8z6uE/Z3GsThvNkg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hY5a079V; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hY5a079V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA4A31F000E9; Tue, 18 Aug 2026 09:07:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787044033; bh=G5GtsFhXRurro9n+DCfuYLQ9nH7iRtZYR6fJtNO7USE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=hY5a079VmSMr3pzWYUzZNUsL0N1qS+wH9s8kGh7wZwo5nGkxkYGGcyekmxcE8odOm P1cCFBuGcZnL2HAB62obJfIHjM1kVbvkljY7VC7Mta7dzP6m31Km13zZY27E9vGoij uH2WSppKMP4MELRnfaCWWQSvO2Gw5nf9HAeBfEf8OWX+QUHk3MkGsDwJ8TeMPVrudH /meNXZiRMSM0xywLT8ND+OYUEtGyfQcgbGKCMhahW0y87Gipv/jOcGDg5d3cE/I7B/ EnR+BmdWyo9X4omd5pimi5dQObi1FFMZqWGVSFzckpD/oKD7g98iDfmne5eBLHIvlP f+ytDJ9qPi9Ng== Date: Tue, 18 Aug 2026 11:07:08 +0200 From: Krzysztof Kozlowski To: =?utf-8?B?TWHDrXJh?= Canal Cc: Maxime Ripard , Dave Stevenson , Raspberry Pi Kernel Maintenance , Stefan Wahren , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list , kernel-dev@igalia.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/4] drm/vc4: Drop the undocumented brcm,vc4-v3d compatible Message-ID: <20260818-tidy-melodic-sidewinder-e60360@quoll> References: <20260816-vc4-reset-control-v1-0-896444373716@igalia.com> <20260816-vc4-reset-control-v1-1-896444373716@igalia.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20260816-vc4-reset-control-v1-1-896444373716@igalia.com> On Sun, Aug 16, 2026 at 11:05:40AM -0300, Ma=C3=ADra Canal wrote: > "brcm,vc4-v3d" is the compatible string V3D support originally shipped > with in commit d3f5168a0810 ("drm/vc4: Bind and initialize the V3D > engine."). Commit 90d7116061f8 ("drm/vc4: Recognize a more specific > compatible string for V3D.") added "brcm,bcm2835-v3d" in v4.6 and kept > the original one around, because the Raspberry Pi firmware was shipping > device trees that used it. >=20 > That string was never part of the binding: the documentation added in > commit 4653f22e9ab0 ("dt-bindings: Add binding docs for V3D.") describes > only "brcm,bcm2835-v3d", and no upstream device tree has ever used > "brcm,vc4-v3d": the first in-tree V3D node, from commit 49ac67e0c39c > ("ARM: bcm2835: Add VC4 to the device tree."), already carried the > specific name. The firmware device trees the compatible was kept for > predate v4.6, released in 2016. >=20 > Drop it from both match tables. Acked-by: Krzysztof Kozlowski Best regards, Krzysztof