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Mon, 25 May 2026 06:35:03 -0700 (PDT) X-Received: by 2002:a05:620a:172a:b0:8eb:605f:6ccb with SMTP id af79cd13be357-914b46c19demr1384678985a.2.1779716102952; Mon, 25 May 2026 06:35:02 -0700 (PDT) Received: from [192.168.119.254] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-688bb133f7fsm3958041a12.23.2026.05.25.06.34.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 May 2026 06:35:01 -0700 (PDT) Message-ID: Date: Mon, 25 May 2026 15:34:57 +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 v6 04/10] drm/msm/dp: Move link training to atomic_enable() To: Dmitry Baryshkov , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Kuogee Hsieh , Yongxing Mou Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jessica Zhang , Val Packett References: <20260524-hpd-refactor-v6-0-cf3ab488dd7b@oss.qualcomm.com> <20260524-hpd-refactor-v6-4-cf3ab488dd7b@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260524-hpd-refactor-v6-4-cf3ab488dd7b@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTI1MDEzOCBTYWx0ZWRfX3pzhFgl4M+No usbdtbhpB6c1V1IWeqTLaKDMsKawhWEZ+9DkQYoU4CvzEGl327ppbDPXXQ8iWte0Oy25ooKAQbU U9M+tSGH7nMrgOSUFCHIlowzBJWZFhtDBGy9dFnfDKFvyeZBiVZHrc7mMQDsU0nABYzGHEI9R7N 61MELX8cQ+BAlS03RJFXScNGD+QEoMjcv267AwMCJJlCvGJe54W6dNb3BreuFlLMSTtdZ86UU3u wi9xGHkswVZ/i1YGA43rYXJR69aXt81GeA6ZXr9DH8850IuZ8xm6e/7BWkbNoUkDM8fxBXXX521 aYIwQ80KwKduxFtVWYRtoAIzx/+gPLRc538qgwqCN9igrHYSRFzsRWRRF539ZTTkhnEg2jWE2gF uH3Xy1jumpwLrgS3e0bO+7O14UcmCBSaKGDkoyNUb46FJbYOGZEeD9j256a3fpZyFsf0ZlA7Imv 6/IJggpZ6rMGfFykSsA== X-Proofpoint-GUID: pMFXaz8MHubCZnKQbl18OkISNaWcli0g X-Proofpoint-ORIG-GUID: pMFXaz8MHubCZnKQbl18OkISNaWcli0g X-Authority-Analysis: v=2.4 cv=XqTK/1F9 c=1 sm=1 tr=0 ts=6a145008 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=UhmnXqIqSmzi-CRdO7cA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 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=2026-05-25_04,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 spamscore=0 adultscore=0 clxscore=1015 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605250138 On 5/24/26 12:33 PM, Dmitry Baryshkov wrote: > From: Jessica Zhang > > Currently, the DP link training is being done during HPD. Move > link training to atomic_enable() in accordance with the atomic_enable() > documentation. > > Link disabling is already done in atomic_post_disable() (as part of the > dp_ctrl_off_link_stream() helper). > > Signed-off-by: Jessica Zhang > Tested-by: Val Packett # x1e80100-dell-latitude-7455 > Tested-by: Yongxing Mou # Hamoa IOT EVK, QCS8300 Ride > Signed-off-by: Dmitry Baryshkov > --- Acked-by: Konrad Dybcio Konrad