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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6580ec85bc4sm90439a12.5.2026.01.20.03.21.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Jan 2026 03:21:44 -0800 (PST) Message-ID: Date: Tue, 20 Jan 2026 12:21:42 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] arm64: dts: qcom: sc7180: Add missing MDSS core reset To: Konrad Dybcio , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Taniya Das , cros-qcom-dts-watchers@chromium.org, Kalyan Thota , Douglas Anderson , Harigovindan P Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Val Packett References: <20260120-topic-7180_dispcc_bcr-v1-0-0b1b442156c3@oss.qualcomm.com> <20260120-topic-7180_dispcc_bcr-v1-3-0b1b442156c3@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260120-topic-7180_dispcc_bcr-v1-3-0b1b442156c3@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIwMDA5MyBTYWx0ZWRfX9wmgw6Y3Nkgg BfHIjGsUQPdxS5yEExEGRQEhfcMn5sbJvlX1Ujm1TQ90Y85zUK/StoeitWQPL0F3Z7AKAJ3+ua+ e0rYzONsIf4cDu4G1vGsXSJu4GBmiqMmCIzOHmN/3nNVPedRfXenolCBbCTu31D62UtHlfyddlu Px4y7OLNd8+Xl3769HTcPMz8Hu3sLLs//7a6i2a5Kz+KG5Atk+5bAQUaveQw4Sv2OZYRlbrHAAE QRhcQ1odurXsTIAMKRUWQm0K4u4xJaAeTNr305Q6+tOAEtDD8ENawVTGBt046KmvCau7+uabOKl WzdDXw8GKqvgRfRFcWcFX39LDN7+anV48zKYdPOpM6rToPxd1Rs6VtuoYd0q74/rpXfsMWNNIBO VzY+f9QhJJZAQajk+Gi1l75VY5dSxhteMDpu0f6ASn60YwYqilNWcFfIyRW6UaFAPjzbTgQDUTL /KOBthz0QTs3ZlJV/aw== X-Proofpoint-GUID: kwUB3spTLDvfKuQonkTFC6RMp44PJJ2m X-Proofpoint-ORIG-GUID: kwUB3spTLDvfKuQonkTFC6RMp44PJJ2m X-Authority-Analysis: v=2.4 cv=LdQxKzfi c=1 sm=1 tr=0 ts=696f654a cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=ijxkZjTTDkK4w4DhjVMA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-20_02,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601200093 On 1/20/26 12:19 PM, Konrad Dybcio wrote: > From: Konrad Dybcio > > To make sure the core starts in a predictable state, it's useful to > first reset it. > > Wire up the reset to fulfill that missing part of the HW description. > > Reported-by: Val Packett > Fixes: a3db7ad1af49 ("arm64: dts: sc7180: add display dt nodes") > Signed-off-by: Konrad Dybcio > --- > arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi > index 45b9864e3304..f7937fa88536 100644 > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi > @@ -3221,6 +3221,8 @@ mdss: display-subsystem@ae00000 { > <&dispcc DISP_CC_MDSS_MDP_CLK>; > clock-names = "iface", "ahb", "core"; > > + resets = <&dispcc DISPCC_MDSS_CORE_BCR>; ^ won't compile without a _ between 'DISP' and 'CC', should have compile-tested harder.. Konrad