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[209.85.217.52]) by smtp.gmail.com with ESMTPSA id g133sm4208547vke.25.2019.05.20.16.24.34 for (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Mon, 20 May 2019 16:24:34 -0700 (PDT) Received: by mail-vs1-f52.google.com with SMTP id x184so9000313vsb.5 for ; Mon, 20 May 2019 16:24:34 -0700 (PDT) X-Received: by 2002:a67:f60b:: with SMTP id k11mr31398691vso.111.1558394674402; Mon, 20 May 2019 16:24:34 -0700 (PDT) MIME-Version: 1.0 References: <20190520220051.54847-1-mka@chromium.org> In-Reply-To: <20190520220051.54847-1-mka@chromium.org> From: Doug Anderson Date: Mon, 20 May 2019 16:24:21 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 1/3] ARM: dts: rockchip: disable GPU 500 MHz OPP for veyron To: Matthias Kaehlcke X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190520_162437_474026_F97CC78A X-CRM114-Status: GOOD ( 12.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Heiko Stuebner , LKML , "open list:ARM/Rockchip SoC..." , Rob Herring , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On Mon, May 20, 2019 at 3:01 PM Matthias Kaehlcke wrote: > > The NPLL is the only safe way to generate 500 MHz for the GPU. The > downstream Chrome OS 3.14 kernel ('official' kernel for veyron > devices) re-purposes NPLL to HDMI and hence disables the OPP for > the GPU (see https://crrev.com/c/1574579). Disable it here as well > to keep in sync and avoid problems in case someone decides to > re-purpose NPLL. > > Signed-off-by: Matthias Kaehlcke > --- > Changes in v2: > - patch added to the series > --- > arch/arm/boot/dts/rk3288-veyron.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) Reviewed-by: Douglas Anderson _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel