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Mon, 29 Jun 2026 02:51:10 -0700 (PDT) X-Received: by 2002:a05:620a:2b46:b0:915:7c1a:1388 with SMTP id af79cd13be357-9293d8a98edmr1528679585a.5.1782726669775; Mon, 29 Jun 2026 02:51:09 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c11fbba677csm744546666b.11.2026.06.29.02.51.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Jun 2026 02:51:08 -0700 (PDT) Message-ID: <050d47ac-9089-4a72-be89-d61fa695c00b@oss.qualcomm.com> Date: Mon, 29 Jun 2026 11:51:05 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 13/13] arm64: dts: qcom: shikra: Add support for DISPCC/GPUCC nodes To: Imran Shaik , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Loic Poulain , Brian Masney Cc: Ajit Pandey , Taniya Das , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260604-shikra-dispcc-gpucc-v4-0-8204f1029311@oss.qualcomm.com> <20260604-shikra-dispcc-gpucc-v4-13-8204f1029311@oss.qualcomm.com> <77a5213d-6be7-4a86-81ad-3509a499ad12@oss.qualcomm.com> <3f8d117c-2ced-480e-bec6-0bd38a60b7c0@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <3f8d117c-2ced-480e-bec6-0bd38a60b7c0@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI5MDA3OSBTYWx0ZWRfX1zyS90/09N1H p2fJ99DvbBCF5n3McGCu56tIlDUVHpkGRIMVrDfqz1IPyANbDPvzckjSmHCmRsPoT+AYvbU4pcf IBNKsg4ytkkxCEdbkjZ57uF6yzuTsNo= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI5MDA3OSBTYWx0ZWRfX1P6WWTjcrMCx MFYX9OZ6y2XBT6kGtfSRQcRdYs+xV9LyQLFc9Bp3MnI7OtR2WCpBxy9iuhoMXSq2LZZ88BY9U0W hZdFcq3/PJBKktOfw2Id2HWkhkZymVZ9+5rs/PqfnRb99JgM9q66SLOcHH1XpQQSeHSlLgZW/ZW DyT+ITB4edsh0AP+jw4ifqu8uxjlrea9cX6jWXrAeo4/aJBZoys/Q3IyJMIJO4Eu7/INlo9Qwoj x2BKDegI7O9bdnIHFzlEED/KX3kBp2to8+wUaXYHX4aQmOd3gzrY2odSGWSKp9lzK0/4t1gwKML BmWe4K/OHFWAKHlY9j3QclUXxQOWEXioAwAmE5KqBlu4Gi6ao6arquvqnl08fSgHccUp+cfdgob /12MBeXvIWTJ2SFU3Kbgv1NOyhmWXaJZfUAkZZqDweckJmXEIMNr3QOHBmm4Tt5rEs+kuc13t/w vU/2loLwNAL5z4wB/TQ== X-Proofpoint-GUID: ndH9459urLL4jJTzYPYBGg7dejJCwI4I X-Authority-Analysis: v=2.4 cv=cefiaHDM c=1 sm=1 tr=0 ts=6a42400f cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=6UAb0L3E1jN75_jUm_YA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: ndH9459urLL4jJTzYPYBGg7dejJCwI4I X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-29_02,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 bulkscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 adultscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606290079 On 6/29/26 8:43 AM, Imran Shaik wrote: > > > On 25-06-2026 02:14 pm, Konrad Dybcio wrote: >> On 6/4/26 7:26 AM, Imran Shaik wrote: >>> Add support for Display clock controller and GPU clock controller nodes >>> on Qualcomm Shikra SoCs. >>> >>> Signed-off-by: Imran Shaik >>> --- [...] >>> +                      "gcc_disp_gpll0_clk_src", >>> +                      "gcc_disp_gpll0_div_clk_src", >>> +                      "dsi0_phy_pll_out_byteclk", >>> +                      "dsi0_phy_pll_out_dsiclk", >>> +                      "dsi1_phy_pll_out_byteclk", >>> +                      "dsi1_phy_pll_out_dsiclk", >>> +                      "sleep_clk"; >>> +            #clock-cells = <1>; >>> +            #reset-cells = <1>; >>> +            #power-domain-cells = <1>; >> >> DISP_CC also needs to source power from somewhere! >> > > The Shikra bindings aligns with the existing Agatti bindings, as it is a re-use. And the Shikra/Agatti DISPCC is on CX rail, and it will be always ON when APPS is active. Yes, it will be on, but currently the genpd performance state requests (i.e. RPMH states) go to /dev/null because DISP_CC is an orphan Konrad