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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b3544fcde34sm352788666b.73.2025.09.26.04.19.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Sep 2025 04:19:36 -0700 (PDT) Message-ID: <7f61ee13-c73f-4b5b-918d-288368ac2cdc@oss.qualcomm.com> Date: Fri, 26 Sep 2025 13:19:32 +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> <652595ef-ef79-4c36-9979-b536ca65e1de@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <652595ef-ef79-4c36-9979-b536ca65e1de@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: FZwQt_zx9f93vieSbAfgJAbvBK8RPnms X-Authority-Analysis: v=2.4 cv=PYXyRyhd c=1 sm=1 tr=0 ts=68d676ca cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=COk6AnOGAAAA:8 a=JnFwQ0sXLtjTzmeIXpcA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI1MDE3MSBTYWx0ZWRfX/LFiFyOb8p7L eyPP8aUcVyIXsNHc3vZB4jyY+5PJMxqb9t3K1DTJqejr42zRcEWyt8u9emrzbXAsjgUnPh5Xktr 4o+gP+TYTftzkwD1l6vHkbePY9R3WxeEvOm1emStzYgX3Y0TQALzP6L3FbvuEub0QBOfDlV3954 pO9eyKaRP9OROifJJFqwspo/6dexvSiGPPnwFV8DN2OpKZv+ct7Q+vGKy8H6Dy/jjOjqGqXcydd EQHY8nFasD1DtKzl2l2lCs0yaTYZbmbdtkJ7bB58eLVF99mKFn63p6djJ6+yKgIa6btCaoJrU7a HtnM2Ip6CbPYqsJLHI+O/2YyVhAcvIXsQYGx+gj+1CEzo0gDG+csOvQE30WxK5UV2Z+9aZUWdnv YaLjzswYyC7PI52ZYQehT/RqhHya9g== X-Proofpoint-ORIG-GUID: FZwQt_zx9f93vieSbAfgJAbvBK8RPnms 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 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=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 1:18 PM, Konrad Dybcio wrote: > 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) No, my bad. I misread the code Konrad