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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b873051cc88sm286593566b.7.2026.01.13.01.27.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Jan 2026 01:27:16 -0800 (PST) Message-ID: <6a4f7953-1db7-446d-ac2a-0870f4f3a260@oss.qualcomm.com> Date: Tue, 13 Jan 2026 10:27:13 +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] needsreview! arm64: dts: qcom: sdm845: Add missing MDSS reset To: david@ixit.cz, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Petr Hodina , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org References: <20260112-mdss-reset-v1-1-af7c572204d3@ixit.cz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260112-mdss-reset-v1-1-af7c572204d3@ixit.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEzMDA3OSBTYWx0ZWRfX7xaj49GmuqRS xmzxHaLgKdjFDz0lGySCrSsAJuk6fmw6knrrYztp9peOlfLnkYPowe9JbQVSWtSOWIMxpHpmAxG 8w4qQja3v4tol2FT6XDpdS4hQlPVtOILyZUgVJQbN3FgBt1y81PibuSjjswHwE8dn3F051XM/+Z eCXRvxC1EadO+8r0fIIaYL0bTGvsSYe36wWbmin6QhXHLHDvzaPL4a3YRwK7e86Dp6J+GNu695F UmUIIb7M0b7XsBkV8gI+Fss7DDXZjvtcgcuzqqTpKRB5AwVlf7k5IsFYtMjdGpPAMYtDMyOPAd1 lS7Qf42FkdFUe8SKqHQRQzdaX6I7nz2TpiGEOR2m6J5//a+Ryk0R7zCbsD+bQ95POp0SkVkYRHw S5gtbo2H8RzMv0CRY4ekXTI/JcBj7JkrKswIhXAZ00tyiCWyJUmaEas+B+S4EebiRkuuzQZXyDt NLwLbimf9kDIi5NLblQ== X-Authority-Analysis: v=2.4 cv=TcCbdBQh c=1 sm=1 tr=0 ts=69660ff6 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=9UNV2iuIHs_NaximHYUA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: 95DLPM1CpWQ1Bpfg0P2QmiDP8CtGlvAp X-Proofpoint-ORIG-GUID: 95DLPM1CpWQ1Bpfg0P2QmiDP8CtGlvAp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-13_01,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 adultscore=0 bulkscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601130079 On 1/12/26 1:33 PM, David Heidelberg via B4 Relay wrote: > From: David Heidelberg > > If the OS does not support recovering the state left by the > bootloader it needs a way to reset display hardware, so that it can > start from a clean state. Add a reference to the relevant reset. This part is reasonable > > Signed-off-by: David Heidelberg > --- > It efficiently fixes nothing for us (at least what we're aware), so I > assume the state left by bootloader is good enough > > I sending this as a something "which seems right" and works for us in > sdm845-next tree. This part says "I am only doing this because cargo cult".. Generally this patch looks good, because it describes a physical connection on the SoC for the OS to consume.. Konrad