From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A7DC83D9047; Thu, 22 Jan 2026 16:10:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769098245; cv=none; b=FG1Xekt3ez+E5xZy+0WnhGGIXS02zw7nU0NFrG2/jgUPAcmxUHyK5buaJ8Ay0L1Bi/jZjBw+0MxasD8aB7OOXehe50BELoMWIWGVjKLOtR2VEE5aa7VOL7b5gVf/Q5goBupEUOUpWJsMGVhfsTGy58ngf7e+KYGxA94nwPIfJXI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769098245; c=relaxed/simple; bh=QijF92eYDRa+yIK2vhm3tFsLRnjMqoXf04XxHtZ1MqA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WJiB3+XpS6Eu4gYrt/xrUMoWUVGPVZtjDuoOyxKi4rkti5nyehf3hapVktrYq2rBc+lPbYeyBZJSGH0VIrVh8DuqTuX7DGR7jWsxPb/3i7ACVJn9zApzJHD7r4g0daOd9sdVSmO0h3hZqszUusEY8APrU34yyM0580uJMjSOXnM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aNmNHAwh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aNmNHAwh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3D3AC116C6; Thu, 22 Jan 2026 16:10:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769098244; bh=QijF92eYDRa+yIK2vhm3tFsLRnjMqoXf04XxHtZ1MqA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aNmNHAwh6+Ee4JCUL4XYjXlSPA2GuhsMMlfHRnFJ6eE5hI52R5FhC4VvVlVsVK+JO lSQ5dkSapp/JDxlyK2cEO8GQZP7Q/9+d4PHDlMoUX3+KX2V/V7GN+pFy+nXWOnPAjB U5/uIxdgKucOEy9mOvYK6rmUaFPTD88lcW7WPzYuGyyQibKL/6Mn9MKWAfFdAM8lR8 t1wh6jYr2oHCbwVJ5PEK7wNKP1q36BAZHinnOMwwLtL8Ax95HNWPVSne5iLwxdxxD/ 26apQxbErgrDUBUos5ALL/Cc5k44dWIBDqG3h0M/k/DTF8X3yvxvmRlpzUN4w9Z2Ai vYcGFh2zIDG9Q== From: Thierry Reding To: Thierry Reding , David Airlie , Simona Vetter , Sumit Semwal Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , Andrew Morton , David Hildenbrand , Mike Rapoport , Sumit Garg , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org Subject: [PATCH v2 10/10] arm64: tegra: Hook up VPR to the GPU Date: Thu, 22 Jan 2026 17:10:09 +0100 Message-ID: <20260122161009.3865888-11-thierry.reding@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260122161009.3865888-1-thierry.reding@kernel.org> References: <20260122161009.3865888-1-thierry.reding@kernel.org> Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Thierry Reding The GPU needs to be idled before the VPR can be resized and unidled afterwards. Associate it with the VPR using the standard memory-region device tree property. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra234.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index cfffa4f2f196..21db5d107bc4 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -5338,6 +5338,9 @@ gpu@17000000 { <&bpmp TEGRA234_CLK_GPC1CLK>; clock-names = "sys", "gpc0", "gpc1"; resets = <&bpmp TEGRA234_RESET_GPU>; + + memory-region-names = "protected"; + memory-region = <&vpr>; }; sram@40000000 { -- 2.52.0