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AJvYcCVre4y1nV4ASC0tt6ZdqoDm21c4h8bsF4fvC5E12+2UmNjBrJaj8qR9HZX8s4+Ho3/V1yqoiqBaJeni26yRfKyNjtETvGXnXaEdJ+nw X-Gm-Message-State: AOJu0YytDOGuieBoZGCXbIP92l+74VXFWO/oOVOUYS2D5H/Hi+rt/rSt Z//IEvYpyT0uwKabyIl9PmNYyX/CgWq/7CMZCME6xYf3bD7CzoW0/wxFuPasE8xAw4i0jTkxyWA zcw/lfh21vyY3Yn0Iin7NG51zbxnw0zvhsaHnfw== X-Received: by 2002:a81:a193:0:b0:608:3797:5ac8 with SMTP id y141-20020a81a193000000b0060837975ac8mr11133955ywg.32.1708592682743; Thu, 22 Feb 2024 01:04:42 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240221-rb3gen2-dp-connector-v1-0-dc0964ef7d96@quicinc.com> <20240221-rb3gen2-dp-connector-v1-3-dc0964ef7d96@quicinc.com> <8313a7c3-3ace-4dee-ad27-8f51a06cd58c@linaro.org> In-Reply-To: <8313a7c3-3ace-4dee-ad27-8f51a06cd58c@linaro.org> From: Dmitry Baryshkov Date: Thu, 22 Feb 2024 11:04:31 +0200 Message-ID: Subject: Re: [PATCH 3/9] arm64: dts: qcom: sc7280: Enable MDP turbo mode To: Konrad Dybcio Cc: Bjorn Andersson , Douglas Anderson , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter , cros-qcom-dts-watchers@chromium.org, Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Content-Type: text/plain; charset="UTF-8" On Thu, 22 Feb 2024 at 10:56, Konrad Dybcio wrote: > > > > On 2/22/24 00:41, Dmitry Baryshkov wrote: > > On Thu, 22 Feb 2024 at 01:19, Bjorn Andersson wrote: > >> > >> The max frequency listed in the DPU opp-table is 506MHz, this is not > >> sufficient to drive a 4k@60 display, resulting in constant underrun. > >> > >> Add the missing MDP_CLK turbo frequency of 608MHz to the opp-table to > >> fix this. > > > > I think we might want to keep this disabled for ChromeOS devices. Doug? > > ChromeOS devices don't get a special SoC But they have the sc7280-chrome-common.dtsi, which might contain a corresponding /delete-node/ . -- With best wishes Dmitry