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[2001:14ba:a073:af00::4c9]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59a185dd7desm2949589e87.25.2025.12.22.01.12.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 22 Dec 2025 01:12:53 -0800 (PST) Message-ID: <9965e114-43c4-4470-992c-1051ff1b7f36@oss.qualcomm.com> Date: Mon, 22 Dec 2025 11:12:52 +0200 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 RFC 3/6] drm/msm: mdss: Add Milos support To: Konrad Dybcio , Luca Weiss Cc: Bjorn Andersson , Konrad Dybcio , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org References: <20251219-milos-mdss-v1-0-4537a916bdf9@fairphone.com> <20251219-milos-mdss-v1-3-4537a916bdf9@fairphone.com> <475izg5bi56oefqtqkvqeyspx2por66zrw4tgqbb3f2ziaghyt@tccm73sl2u2e> <2f3c7bc8-8c7b-4c47-95de-7a8ac6dc3c57@oss.qualcomm.com> Content-Language: en-US From: Dmitry Baryshkov In-Reply-To: <2f3c7bc8-8c7b-4c47-95de-7a8ac6dc3c57@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: GZ8iqlEFZLkMtbsFtga0pCKiZtG0NdSS X-Authority-Analysis: v=2.4 cv=cuuWUl4i c=1 sm=1 tr=0 ts=69490b97 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=6H0WHjuAAAAA:8 a=EUspDBNiAAAA:8 a=yV6z7m4MmXEbFVxmnDUA:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 a=Soq9LBFxuPC4vsCAQt-j:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjIyMDA4MyBTYWx0ZWRfX+k+jtGH+hiuB H9+vOoAIuLlaBJpCTuycGMeDmEsou9gHMuJYWTy2qbgckmHlmKl5NHCtXe0X3WN8O+5JmmZoOe9 mYUA228tWjLh3SSuRbspn6vmAOTpzw8uyE32npiW6+mA5yJPMJcipiT/WOnRFR4x8rDFmc1iTpl 8GN6hRhmnORHaTN5JBASmCmRIio87GonT06zotG8Ic2NPK66rThK3vQfKPpVvcFBSDzoqOib11I Jvld28n9n46TDKzyqkwcIdjDoDu1z2TRs7/tI/FiIDbWPO+/6/Lb9QFRC+nGEB+1VxoqUv00YMi KfMUzXX4qWu50hU3EHBWWlOrWhBPjXiw575rW7ldZN6idJbuSDb2nYanJ8juL2xC9WCPPD21ie3 MdfwQVxkXUWy3U7A1NClFjPUA9HpEal8OIFCXfv+ocqz2XQGUtLTDqyyrwBqm7QpDFwJtb/Ch4m 2Td/oMETQpqNmz9iwNg== X-Proofpoint-GUID: GZ8iqlEFZLkMtbsFtga0pCKiZtG0NdSS 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=2025-12-21_05,2025-12-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 priorityscore=1501 spamscore=0 bulkscore=0 suspectscore=0 clxscore=1015 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512220083 On 22/12/2025 11:09, Konrad Dybcio wrote: > On 12/20/25 5:52 PM, Dmitry Baryshkov wrote: >> On Fri, Dec 19, 2025 at 05:41:09PM +0100, Luca Weiss wrote: >>> Add support for MDSS on Milos. >>> >>> Signed-off-by: Luca Weiss >>> --- >>> drivers/gpu/drm/msm/msm_mdss.c | 5 +++++ >>> 1 file changed, 5 insertions(+) >>> >> >> Reviewed-by: Dmitry Baryshkov >> >> Though 14000 seems lower than the value for all other platforms. > > IIUC it's essentially "nonzero" or "first-level-above-just-nonzero" > > The downstream DT also defines a 140_000 and a 310_000 point.. though > the middle one is never(?) used and the latter one is only used during > UEFI handoff and upon the first commit after (runtime) resume If I remember correctly, those are also used for programming the LUTs or other big tables into the hardware. > > Reviewed-by: Konrad Dybcio > > Konrad -- With best wishes Dmitry