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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38e492702f7sm14351681fa.9.2026.04.11.11.59.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Apr 2026 11:59:34 -0700 (PDT) Date: Sat, 11 Apr 2026 21:59:32 +0300 From: Dmitry Baryshkov To: Yongxing Mou Cc: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Jessica Zhang , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Abhinav Kumar Subject: Re: [PATCH v4 19/39] drm/msm/dp: Add support to enable MST in mainlink control Message-ID: References: <20260410-msm-dp-mst-v4-0-b20518dea8de@oss.qualcomm.com> <20260410-msm-dp-mst-v4-19-b20518dea8de@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260410-msm-dp-mst-v4-19-b20518dea8de@oss.qualcomm.com> X-Authority-Analysis: v=2.4 cv=PuijqQM3 c=1 sm=1 tr=0 ts=69da9a18 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=HaRW5ahlYzQ4Xp6BNlIA:9 a=CjuIK1q_8ugA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: EAcAPC67jxgPyiZlkm7YDqvOvubtjjEo X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDExMDE2OSBTYWx0ZWRfX/ij68YSY1zpE 5e2UaODSeDw7dhc0gG7QA/AmzXdVTyMNrSv5BVHy0BwoszYzspBPp3q2BsRShCEJiO8t3RtqNv2 KsR2f73ICIXjBIgGDev3+3RMF6TohRmLEL8iutWPIyh/jA5qngWULcCls66qbkTW/V/M/BoCnMw Qoj/GYMk34O+8EujQP8Evs+fD1q3A2dZLwu7IFnhQPYnth0zCPpEiPS08oFwLcgRYnllJ43A/N9 1hJNuNDwsg46mlrjw8AYarqOdhkTmdJB31yP+eGEkP5iB3jCLbi5uT1WnXDFpe3fTokxoZEPk6s UvwcPkvR4aZLtZegqQo1IDgWlDTqaWq1yUOg5+1P5chKliLkt73nl/XkrWTO+8j5pNK02BZybD7 aGHN4q1i1buHGDqb/mN/fC/T/J/EEvCe9JYLpNJwM2c0pKOm9UHhTLMnlVktlTIP1nTqOVngWmY rQXckgq2Bk2pvT4fatQ== X-Proofpoint-GUID: EAcAPC67jxgPyiZlkm7YDqvOvubtjjEo 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=2026-04-11_05,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 spamscore=0 phishscore=0 malwarescore=0 clxscore=1015 impostorscore=0 adultscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604110169 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, Apr 10, 2026 at 05:33:54PM +0800, Yongxing Mou wrote: > From: Abhinav Kumar > > Add support to program the MST enable bit in the mainlink control > register when an MST session is active or being disabled. > > Signed-off-by: Abhinav Kumar > Signed-off-by: Yongxing Mou > --- > drivers/gpu/drm/msm/dp/dp_ctrl.c | 17 +++++++++++++++++ > drivers/gpu/drm/msm/dp/dp_reg.h | 4 ++++ > 2 files changed, 21 insertions(+) > Reviewed-by: Dmitry Baryshkov -- With best wishes Dmitry