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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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: EE736120007 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 3tc5aq3owkxbz8xdrf8t6hh7q8obn816 X-HE-Tag: 1769098244-119322 X-HE-Meta: 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 BMCtFMdL dXJD3mEWAbBX+OAXRQjD62wuDCk0srgCzVJQWsOhZZRH0G+CarC1G9SkNghBd1sTpJ5aa294yNM8b7BpCD8HQgwk8WY5Nb08CI8vcir/eEPnJ7OhFyC39kKNZxvoUu9QDcbyatihER/NTQ1xL9euXEgumd4l9itPDeZpCVcV9iEUretF85ZYBtwB7tKnusr31TfevT/CNSf3/mz8M7+xe3Tx0dwz4nIB4mAB/NVSXJuAQkpo9Gn1sgM1TJzdwmCGQ0ZOa2ActMxPY2q1lkkqsoHHMVdLvVxUt3+0ox4bhZpNVMnFfaLp4pUF2jgXyVsFu4xwjwXtuTGFcuUj9ZsAxCPdDjQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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