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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id af79cd13be357-93917236b86sm735974285a.13.2026.08.31.01.17.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2026 01:17:48 -0700 (PDT) From: Yongxing Mou Date: Mon, 31 Aug 2026 16:17:20 +0800 Subject: [PATCH v6 03/29] drm/msm/dp: drop redundant config_ctrl_link() from msm_dp_ctrl_on_stream() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260831-msm-dp-mst-v6-3-c91d35d6fb9e@oss.qualcomm.com> References: <20260831-msm-dp-mst-v6-0-c91d35d6fb9e@oss.qualcomm.com> In-Reply-To: <20260831-msm-dp-mst-v6-0-c91d35d6fb9e@oss.qualcomm.com> To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Jessica Zhang , Jessica Zhang Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Yongxing Mou X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788164246; l=888; i=yongxing.mou@oss.qualcomm.com; s=20250910; h=from:subject:message-id; bh=K08RSR7jFMIU1z3Wf63hI19PHcL0gXlgR6VRva1a4mo=; b=JiH+b0PUcxR9TZDRGECUHDy8hG1r9PNwZcW+rV8WYP5iMs8wXbkI9XMuK9Q/ZskgO/YIEsqMt y+gBOKOYN6EBulj7OEfmbDAC8XvHo/R/cHC1xPsbKNjpN/NJyPvTHP+ X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=rAy5J1eP+V7OXqH5FJ7ngMCtUrnHhut30ZTldOj52UM= X-Proofpoint-GUID: RhP9bovTGaqRzRhXZpdZ7-DYgzMmI3GA X-Proofpoint-Spam-Info: AW1haW4tMjYwODMxMDA3MCBTYWx0ZWRfX5oDL1XrTYeND +bl6Gp/BsSYkVAWKRJUDf9PwUurW4L5mVqf4QYrMrk/nG6diF7U9/bKtSTPOMo9x5v0QSiDNa3T IV89fiZbGOa8oWmFivJBIKuiODRnw18= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODMxMDA3MCBTYWx0ZWRfX0zVMspu6z0g+ Fsi2NvQJYUPB2M+a3lDA/c635vNw+++/hWBGsfwfb8nNpU1QWIjenMlfDkSRKt23zmUhCAEBNnn ILWsGPSM2pj/GGoVXjgGLVCy1OG9K06EPOjLmtQpMQ+yzJzI+smJ6G5bIDK/eMd0sl4j5dnlp/4 qKblwy6yweUl+0moUwrPx1WpE/AuUfontYiXeKs5QPuLEj1W7bpATKmNqsW7mYvfQ7Kp4in82gz kvvXUt1Q+vQTNcX7LisRKW+Ej1oASk7v98Nvfga0r4AM8q0SRtwWlryVpn/iJMLpIggRQh5Sj1D 2Ct+h/KsCvxqqfnqXvt5UMiQyFkywRCaqe67z+x9+7/Ir467iEt4Oa8cSP2+VOhWrHTqOIvIXaw 173har0/qLb+w+eAaQ5AM2yYrJUk2cYVWc+j8gbw9w3gJa4M1Hp9IghzFLD0E0SOWtrJ1e2So1w qonCDt2Y8lisOhvN/8A== X-Authority-Analysis: v=2.4 cv=ZOPnX37b c=1 sm=1 tr=0 ts=6a9538ad cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=P3NwbF1cJ5UVZmgLWE8A:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-ORIG-GUID: RhP9bovTGaqRzRhXZpdZ7-DYgzMmI3GA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-31_03,2026-08-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 bulkscore=0 impostorscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608310070 REG_DP_CONFIGURATION_CTRL contains link-wide state and is already programmed during link training. Calling config_ctrl_link() from msm_dp_ctrl_on_stream() rewrites the same configuration and is unnecessary. Remove the redundant call. Signed-off-by: Yongxing Mou --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 1ed713b957c6..e7bb9558c0b4 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -2598,7 +2598,6 @@ int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl, struct msm_dp_panel * msm_dp_ctrl_lane_mapping(ctrl); msm_dp_setup_peripheral_flush(ctrl); - msm_dp_ctrl_config_ctrl_link(ctrl, panel); msm_dp_ctrl_configure_source_params(ctrl, panel); -- 2.43.0