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Sun, 01 Feb 2026 21:02:18 -0800 (PST) Received: from hu-nlaad-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c64276efd8asm13232742a12.7.2026.02.01.21.02.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Feb 2026 21:02:18 -0800 (PST) From: Nilesh Laad Date: Mon, 02 Feb 2026 10:32:12 +0530 Subject: [PATCH v2] drm/bridge: lt9611uxc: reset edid_read on disconnect 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: <20260202-lt9611uxc-reset-edid-v2-1-b1e1d72edc90@oss.qualcomm.com> X-B4-Tracking: v=1; b=H4sIANMvgGkC/3XMywqDMBCF4VeRWXckEy+pXfU9ShcxGWtAjU1UB PHdGwpddnPgW5z/gMjBcYRbdkDgzUXnpwR5ycD0enoxOpsMUshaUCFwWJqaaN0NBo68IFtnURk jqFRtJa8C0nUO3Ln9m308k7vgR1z6wPoXq4T6F9sICQvWpa1aqqlRdx9j/l71YPw45mngPD+3k tEquQAAAA== X-Change-ID: 20260130-lt9611uxc-reset-edid-7cc0147b5280 To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, venkata.valluru@oss.qualcomm.com, Jessica Zhang , Dmitry Baryshkov , Nilesh Laad X-Mailer: b4 0.15-dev-a9b2a X-Developer-Signature: v=1; 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Reset edid_read so that correct status is updated and correct edid is available for drm. Reviewed-by: Dmitry Baryshkov Signed-off-by: Nilesh Laad --- Changes in v2: - Collected Dmitry Baryshkov tag - Link to v1: https://lore.kernel.org/lkml/20250730-lt9611uxc-reset-edid-v= 1-1-3ea4d5b16197@oss.qualcomm.com --- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/b= ridge/lontium-lt9611uxc.c index 11aab07d88df..4d989381904c 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -170,6 +170,9 @@ static void lt9611uxc_hpd_work(struct work_struct *work) connected =3D lt9611uxc->hdmi_connected; mutex_unlock(<9611uxc->ocm_lock); =20 + if (!connected) + lt9611uxc->edid_read =3D false; + drm_bridge_hpd_notify(<9611uxc->bridge, connected ? connector_status_connected : --- base-commit: 3ea699b56d31c2a5140d9fac309ff5e0f2041411 change-id: 20260130-lt9611uxc-reset-edid-7cc0147b5280 Best regards, -- =20 Nilesh Laad