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[188.155.174.239]) by smtp.gmail.com with ESMTPSA id qx13-20020a170906fccd00b006bdeb94f50csm6141273ejb.203.2022.03.08.10.10.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Mar 2022 10:10:07 -0800 (PST) Message-ID: Date: Tue, 8 Mar 2022 19:10:07 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v3 05/15] dt-bindings: devfreq: rk3399_dmc: Add more disable-freq properties Content-Language: en-US To: Brian Norris , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring Cc: Lin Huang , Heiko Stuebner , Derek Basehore , linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Rob Herring References: <20220308000945.706701-1-briannorris@chromium.org> <20220307160918.v3.5.I382d4de737198ea52deb118c9bdc4d93d76e009e@changeid> From: Krzysztof Kozlowski In-Reply-To: <20220307160918.v3.5.I382d4de737198ea52deb118c9bdc4d93d76e009e@changeid> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 08/03/2022 01:09, Brian Norris wrote: > DDR DVFS tuning has found that several power-saving features don't have > good tradeoffs at higher frequencies -- at higher frequencies, we'll see > glitches or other errors. Provide tuning controls so these can be > disabled at higher OPPs, and left active only at the lower ones. > > Signed-off-by: Brian Norris > Reviewed-by: Rob Herring > --- > > Changes in v3: > * Add Reviewed-by > > Changes in v2: > * hyphens, not underscores > * *-hz units, and drop the types definition > > .../bindings/devfreq/rk3399_dmc.yaml | 37 +++++++++++++++++++ > 1 file changed, 37 insertions(+) > Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof