From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B2F98D4A5F5 for ; Sat, 17 Jan 2026 05:35:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=i4f1OltOF8M9FDAWEzKw76BpHWK6Fh8W/Z3ClfMBRQU=; b=tB3hPLreyVhqzdvuNH62SucViB mOKHk8IvmgJEfVNgDdO9FWWGHEfWXBc3uIYWpd1lJ4/KWJia9d8+FotXuccpectPncjM2lllHCD0O MAe8EYLdY2IbMf11OBniXSuOhisI53C3So1j7UK2lfveGZTPVuY6xzUvd8TatSB+A6HfpF1S+x61z d98AIneiJXx9UAXXvuyavlqHWdEWoZnqR5BF8PPTKlgbdlrN5upO4xNkljgEmRzoLAU4TIvQxYGYm OJ4zxZ1zrqNMGfF+cGOdXc9EtniaSelzATkwxHfS8o1XpCo765QZ6K89d7fB3Oe5E8gLB2Pa9v0ck rQ2LhqAw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vgyy0-0000000FIUq-2Bou; Sat, 17 Jan 2026 05:35:20 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vgyxy-0000000FIUj-0Mgb for linux-arm-kernel@lists.infradead.org; Sat, 17 Jan 2026 05:35:18 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id DF66160127; Sat, 17 Jan 2026 05:35:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F4074C4CEF7; Sat, 17 Jan 2026 05:35:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768628116; bh=ceJeR19228xDyeAf7C6ytS7EXYJ6ms0mb5AIMVr7rVU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GjcOSWVIRQ1clNcdTf12UnxA2dLkPUV6bd8jHSggg3bYjltwQY6EgMzkO/wo7ofv3 Mc7+T4A/1R6lMhetZrejlNY2J5oVUsaSKaQKvGlCb7z/SUqCGPUbXAHDTMEBfYfVZt e/sebQmpYqjhrfvxuRPPZua0O8LyDAoHV7RUqn5oduU0FIO5yS/GHf/Lr7rDcoXbij BQhp+u2kwv4xfMBYIoP2OSa5t0qbumXrsILxU7LudZqp14zwwUTf9UnDjXmyUdoNIv +I1FXS9aKFRmQ5Zk5WTHhHXSkxChrS6WqAcAFZBFbyXyJXqtyIYCrBUivJtuEJ/0Lp q7ifkYnt7O0PA== Date: Sat, 17 Jan 2026 13:35:09 +0800 From: Shawn Guo To: Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Conor Dooley , Fabio Estevam , Frank Li , Krzysztof Kozlowski , Peng Fan , Pengutronix Kernel Team , Rain Yang , Rob Herring , Sascha Hauer , devicetree@vger.kernel.org, imx@lists.linux.dev Subject: Re: [PATCH] arm64: dts: imx95: Use GPU_CGC as core clock for GPU Message-ID: References: <20251129143220.14834-1-marek.vasut@mailbox.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251129143220.14834-1-marek.vasut@mailbox.org> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Nov 29, 2025 at 03:31:30PM +0100, Marek Vasut wrote: > The i.MX95 imx-sm introduced new GPU_CGC clock since imx-sm commit > ca5e078833fa ("SM-128: Add clock management via CCM LPCG direct control") > which are downstream clock of GPU clock. These new GPU_CGC clock > gate the existing GPU clock. Currently, without clk_ignore_unused > on kernel command line, those new GPU_CGC clock are unused and the > kernel will disable them. This has no impact on i.MX95 A0/A1, but > does prevent GPU register access from working at all on i.MX95 B0. > The GPU_CGC clock are present on both i.MX95 A0/A1/B0, therefore > update the DT such, that the GPU core clock are the GPU_CGC clock. > When the panthor driver enables the GPU core clock, it enables both > the GPU_CGC as well as its parent GPU clock. > > Fixes: 67934f248e64 ("arm64: dts: imx95: Describe Mali G310 GPU") > Signed-off-by: Marek Vasut Applied, thanks!