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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b3545a983ffsm349631066b.94.2025.09.26.04.18.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Sep 2025 04:18:10 -0700 (PDT) Message-ID: <652595ef-ef79-4c36-9979-b536ca65e1de@oss.qualcomm.com> Date: Fri, 26 Sep 2025 13:18:07 +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 1/4] drm/msm/dp: Update msm_dp_controller IDs for sa8775p To: Mani Chandana Ballary Kuntumalla , dmitry.baryshkov@oss.qualcomm.com, marijn.suijten@somainline.org, swboyd@chromium.org, mripard@kernel.org, abel.vesa@linaro.org, andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, robin.clark@oss.qualcomm.com, jessica.zhang@oss.qualcomm.com, abhinav.kumar@linux.dev, sean@poorly.run, airlied@gmail.com, simona@ffwll.ch, alex.vinarskis@gmail.com Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, freedreno@lists.freedesktop.org, dri-devel@lists.freedesktop.org, quic_rajeevny@quicinc.com, quic_vproddut@quicinc.com, quic_riteshk@quicnic.com, quic_amitsi@quicnic.com References: <20250926085956.2346179-1-quic_mkuntuma@quicinc.com> <20250926085956.2346179-2-quic_mkuntuma@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250926085956.2346179-2-quic_mkuntuma@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: g7v8DmwqJ5kB3cRFfutzIA0ULIKjf4OQ X-Proofpoint-GUID: g7v8DmwqJ5kB3cRFfutzIA0ULIKjf4OQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI1MDE3MSBTYWx0ZWRfX9bKfuoS/4Eqf 5ZoQMh8T+RTHXuYEGauOocYovCQcvXR6AY1071KneMJrQtzeW32RyRixZrANdJf9j8KAjr3Zxt8 6RPPz8XrWfQiN8FR6nw8r7AwTm1efJdM792cobU8CnhbfE75K/JU4j21VIqbpU1QIoIjdXPvGK0 bzoCQz59B9u677uLIwVFy1fFhsPAHuO0ZIEWMxyRBDK2R5s2rok0Jj90eT2CXV/5gsiHPpogXmX I3mQlKvBL+9TdfoiLtpZWA6L4kUxtn9NxwVXFF+OF6cl6or+Lvozu8vyEejnKs+0vtcSo8KmKTC tKFnzpdDRI9zKyNwtyNCHwH9dFSy+XxHddebLn5jmy//9tIB0yun5gzW7qA2+q/GPjyhBCyRZVP OKV4krN2p+mf1HxnKKG8KYYTlnijqQ== X-Authority-Analysis: v=2.4 cv=ZsHg6t7G c=1 sm=1 tr=0 ts=68d67674 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=COk6AnOGAAAA:8 a=tFSzMcqD3SoeBU5fSnoA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-26_03,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 suspectscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509250171 On 9/26/25 10:59 AM, Mani Chandana Ballary Kuntumalla wrote: > The Qualcomm SA8775P platform comes with 2 DisplayPort controllers > for each mdss. Update controller id for DPTX0 and DPTX1 of mdss1. > > Signed-off-by: Mani Chandana Ballary Kuntumalla > --- > drivers/gpu/drm/msm/dp/dp_display.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c > index d87d47cc7ec3..f247aad55397 100644 > --- a/drivers/gpu/drm/msm/dp/dp_display.c > +++ b/drivers/gpu/drm/msm/dp/dp_display.c > @@ -133,8 +133,8 @@ struct msm_dp_desc { > static const struct msm_dp_desc msm_dp_desc_sa8775p[] = { > { .io_start = 0x0af54000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true }, > { .io_start = 0x0af5c000, .id = MSM_DP_CONTROLLER_1, .wide_bus_supported = true }, > - { .io_start = 0x22154000, .id = MSM_DP_CONTROLLER_2, .wide_bus_supported = true }, > - { .io_start = 0x2215c000, .id = MSM_DP_CONTROLLER_3, .wide_bus_supported = true }, > + { .io_start = 0x22154000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true }, > + { .io_start = 0x2215c000, .id = MSM_DP_CONTROLLER_1, .wide_bus_supported = true }, Well, did you see what happens when you try to plug in a display to a controller on MDSS0 and MDSS1 at once now? (memory corruption) Konrad