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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-31c23006d72sm5202274a91.1.2025.07.11.17.58.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Jul 2025 17:58:32 -0700 (PDT) From: Jessica Zhang Date: Fri, 11 Jul 2025 17:58:09 -0700 Subject: [PATCH 04/19] 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: <20250711-hpd-refactor-v1-4-33cbac823f34@oss.qualcomm.com> References: <20250711-hpd-refactor-v1-0-33cbac823f34@oss.qualcomm.com> In-Reply-To: <20250711-hpd-refactor-v1-0-33cbac823f34@oss.qualcomm.com> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , 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 , Abhinav Kumar X-Mailer: b4 0.15-dev-a9b2a X-Developer-Signature: v=1; a=ed25519-sha256; t=1752281905; l=1171; i=jessica.zhang@oss.qualcomm.com; s=20230329; h=from:subject:message-id; bh=mxuxQD5kCjtX7ioz+ogKfK2PsWX6uqWHqGDi2GAvSJ4=; b=i3MbKDvWRQHZ10SLpwW1ak3aD4D143rFZvveeCBQjFISiena0vgzQcKaOGa0JMSty5fsxcubD 8vWZq4Aby2IBX1FRdivd9xC+VpVmwUM6m7ZVVPPv6VwZhleCEyjAFVB X-Developer-Key: i=jessica.zhang@oss.qualcomm.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEyMDAwNSBTYWx0ZWRfX0LIpUAp3g4jX 6QthKCfFlXUrwr5Z5wmbXhcbfpnw5/QY3hnLuCd/eHWscLCa9WADJr1O3zS8vimFu5Ax8stEFF3 zIJ0HL+bEiFBlW19fT/a8tTeQzeONJoLaE2aVQlqvR7i31LzRrp6sWTwMCvX7SPRES+MkNLCMIo zA9sdkw1iDpY/mCUgVTvf8Qww6r8QLNyJr8Om2iZMAx7ZKN6tvhW58ARpjfncC8LbJYBgzY5+TT 24IQTu1xPdbpqdd9q+I66Uct76p+8vHW5vpnz23oVQYoo6sbjhhyYsd7MA9gjIujjZyf1EhPU6I Bv7sZhj+8cwFMxnNFnHZUp/G6p9F5LHT3esJ8FcFPAN1BTLw1mqmPO5wAlO9jqTofd8H/w8fNHH gptoHiZfkJcH/rYCA0fCQVzRriUr1CWMels1pT2R3thmR5dDZMyB5/9P2xjVXqyA9jAQZ/iu X-Authority-Analysis: v=2.4 cv=QM1oRhLL c=1 sm=1 tr=0 ts=6871b33a cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=e5mUnYsNAAAA:8 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=8oAJioj0-2SxPtK92HsA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 a=Vxmtnl_E_bksehYqCbjh:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: AY_y3IO2aHEyiIGaziL1avoJ5u4WWTIQ X-Proofpoint-GUID: AY_y3IO2aHEyiIGaziL1avoJ5u4WWTIQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-11_07,2025-07-09_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 adultscore=0 mlxscore=0 phishscore=0 mlxlogscore=826 spamscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507120005 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 Signed-off-by: Jessica Zhang --- Note: Taken from https://patchwork.freedesktop.org/series/142010/ --- 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 fe38ea868eda..f93fbcff2cda 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -694,7 +694,7 @@ 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 2.50.1