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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3124e1f3f22sm73581a91.0.2025.05.29.16.15.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 May 2025 16:15:25 -0700 (PDT) From: Jessica Zhang Date: Thu, 29 May 2025 16:13:45 -0700 Subject: [PATCH 3/4] drm/msm/dp: replace ST_DISPLAY_OFF with power_on in msm_dp_hpd_unplug_handle() 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: quoted-printable Message-Id: <20250529-hpd_display_off-v1-3-ce33bac2987c@oss.qualcomm.com> References: <20250529-hpd_display_off-v1-0-ce33bac2987c@oss.qualcomm.com> In-Reply-To: <20250529-hpd_display_off-v1-0-ce33bac2987c@oss.qualcomm.com> To: Rob Clark , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Abhinav Kumar , Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Stephen Boyd , Doug Anderson , Johan Hovold , Bjorn Andersson , Abhinav Kumar , linux-kernel@vger.kernel.org, Yongxing Mou , Jessica Zhang , Dmitry Baryshkov X-Mailer: b4 0.15-dev-64971 X-Developer-Signature: v=1; a=ed25519-sha256; t=1748560520; l=1160; i=jessica.zhang@oss.qualcomm.com; s=20230329; h=from:subject:message-id; bh=fcV0U0JSd2Lf4fDNNX9R4rq8oAhewquvTnMKQsk4vw4=; b=L/EjQFUOVbqSjowt+2F3fUU1pQgDZXxeNd7PyBfGd52nFzJc3fw8rhldR4/xN61sS8wqJ+6KR nwQbP8lg2FaDS8cHgMf5lKPSyxMS6ZmgZItPDqtcoKXmLuD3U5u95KC X-Developer-Key: i=jessica.zhang@oss.qualcomm.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-Authority-Analysis: v=2.4 cv=d4b1yQjE c=1 sm=1 tr=0 ts=6838ea8f cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=COk6AnOGAAAA:8 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=8oAJioj0-2SxPtK92HsA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 a=TjNXssC_j7lpFel5tvFf:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: ZU5MK9gjjCzNmrfoA7nUiX-HY0V3g60G X-Proofpoint-GUID: ZU5MK9gjjCzNmrfoA7nUiX-HY0V3g60G X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTI5MDIyNyBTYWx0ZWRfX193bNy3Hy+U5 Lnt/foFL2RLHf+J0cIjRTA+7PfOf3Uhy7Jg7kZishT68yJDqBDrH6aQnACmMUB958h1llcGkYNy JEBOyVmirbi/dOLQSA5IeDYcPzKaEiCfEc16w7PqHECR/3Rtu5QA3itJrQX44TUSxVPPHXNJk30 MHsUji4OYOyV0gxOEpYSAr3IBbEw/6dRgmijZ46FvxrXZuNQDGBBl7LrkHvzCEEJVq+QV7ShAm0 btdaM4zP2ivc3dAGGWYr7HoA2os1zz2bgbk8Q1D4Sl8k0RzqnB0FObid51qANHHWcn7JXTGaRV1 tSyUimKk9Var8Re6f/ptSxnQreBMJue1zhAxYSVS4HRfm+jn1ctGYNp69Wn96R+JK/rvwJyiqhv nTrC3st+nWFWo2fWfb5OeG96dmwlkHEHoR+L9hK8TwoRaSe031+EnSAbHV5iP+wOZt0UvYV+ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-29_10,2025-05-29_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 malwarescore=0 phishscore=0 mlxlogscore=768 lowpriorityscore=0 priorityscore=1501 bulkscore=0 spamscore=0 clxscore=1015 impostorscore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000 definitions=main-2505290227 From: Abhinav Kumar msm_dp_hpd_unplug_handle() checks if the display was already disabled and if so does not transition to ST_DISCONNECT_PENDING state and goes directly to ST_DISCONNECTED. The same result can be achieved with the !power_on check. Replace ST_DISPLAY_OFF with !power_on to achieve the same outcome. Signed-off-by: Abhinav Kumar Reviewed-by: Dmitry Baryshkov Signed-off-by: Jessica Zhang --- drivers/gpu/drm/msm/dp/dp_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/d= p_display.c index f2820f06f5dc..785c813d2b31 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -672,7 +672,7 @@ static int msm_dp_hpd_unplug_handle(struct msm_dp_displ= ay_private *dp, u32 data) */ msm_dp_display_notify_disconnect(&dp->msm_dp_display.pdev->dev); =20 - if (state =3D=3D ST_DISPLAY_OFF) { + if (!dp->msm_dp_display.power_on) { dp->hpd_state =3D ST_DISCONNECTED; } else { dp->hpd_state =3D ST_DISCONNECT_PENDING; --=20 2.49.0