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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-667aecbe63fsm42292a12.4.2026.03.17.08.06.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Mar 2026 08:06:51 -0700 (PDT) Message-ID: Date: Tue, 17 Mar 2026 16:06:48 +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] arm64: dts: qcom: hamoa: Fix OPP tables for all DisplayPort controllers To: Dmitry Baryshkov Cc: Abel Vesa , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rajendra Nayak , Abel Vesa , Sibi Sankar , Jagadeesh Kona , Taniya Das , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20260309-hamoa-fix-dp3-opp-table-v1-1-1a8141d71f9f@oss.qualcomm.com> <2f4e4cc7-2600-482e-88d9-d4b20d328a72@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: sKq2T4ZRW2_DJcGeMi9JU4Y7RduV1Ki0 X-Authority-Analysis: v=2.4 cv=EeTFgfmC c=1 sm=1 tr=0 ts=69b96e0d cx=c_pps a=P2rfLEam3zuxRRdjJWA2cw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=i3U1ZhqbavsoaJQYhn0A:9 a=QEXdDO2ut3YA:10 a=ODZdjJIeia2B_SHc_B0f:22 X-Proofpoint-ORIG-GUID: sKq2T4ZRW2_DJcGeMi9JU4Y7RduV1Ki0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE3MDEzMyBTYWx0ZWRfX5hnKI37NdcDG 1XuV0htX4ZEtUjqf+XlSv6F/P0OCODebYf5b3F8LCu2inIqvAmPthUQ3anUI2LQo67QdnV3Gb9R gUnYZb827WJSqVHWGNNdEL8PFtrVWh9xUNmHiayZNDAzOgKc6Kb0B0hELcf1oo9evxDTAHHjGOl x48BIXs1Th9J4GQM0Aykv2KfZ5Vohk191cdcNlw5ENUEjACvCmGz6YYX940EUzamB9x8NfYnn9v tSLV5EtLDuKfHWhbUU/dvHbBYzDh7goDkdUDnQKV2GmMwaUbeTJ2xUWLL/5TBFBc7MX5kmdezXc X3Z6m432htPE51d8FzhCk1oyVhaj+sQw7NKAR2VXnINNvZdgDhsQ4L2HyKYT7XoDlx168DXwZkO ak7IdZyaJyJjAyZCyWtfozlxrER6MtF3scXuVNfDWakLhHAxToAUupVr7Tqtvr3vUve5Uz/fyPa SN3Fa+FB6/MaCrC6M6Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-17_01,2026-03-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 spamscore=0 phishscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603170133 On 3/13/26 6:39 PM, Dmitry Baryshkov wrote: > On Tue, Mar 10, 2026 at 11:36:26AM +0100, Konrad Dybcio wrote: >> On 3/9/26 3:44 PM, Abel Vesa wrote: >>> According to internal documentation, the corners specific for each rate >>> from the DP link clock are: >>> - LOWSVS_D1 -> 19.2 MHz >>> - LOWSVS -> 270 MHz >>> - SVS -> 540 MHz (594 MHz in case of DP3) >> >> This discrepancy sounds a little odd.. can we get some confirmation >> that it's intended and not an internal copypasta? (+Jagadeesh, Taniya) >> FWIW DP3 is not USB4- or MST-capable so it may as well be > > DP3 link_clock is sourced from the eDP PHY. I assume there might some > >> >>> - SVS_L1 -> 594 MHz >>> - NOM -> 810 MHz >>> - NOM_L1 -> 810 MHz >>> - TURBO -> 810 MHz >>> >>> So fix all tables for each of the four controllers according to the >>> documentation. >> >> It sounds like a good move to instead keep only a single table for >> DP012 and a separate one for DP3 if it's really different Please do this and resend Konrad