From nobody Sun Feb 8 11:11:54 2026 Received: from mout-p-103.mailbox.org (mout-p-103.mailbox.org [80.241.56.161]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4EC9976F1B for ; Mon, 23 Sep 2024 07:57:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.161 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727078241; cv=none; b=a+q55NNQi0itqsUknXzK1iNsQeWPChW4NmeFoA3+F8xQhV5M1I8TRClzQ+QW0c2HPQFVhXHtN4rrCOZvM4E+6K+UhqOwSsUB9bzWgzWGfxVHvVuCoh3VTUJxkClgsRRsTC3UoOfmnLDAimG6eRp4nlrguuj8aD8tz6aPguJNGi4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727078241; c=relaxed/simple; bh=NxEbUk7Uzo2n0iw38GrUtE/c0w3d73+GEG6AeeLsL04=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=paI0b9DZPihdRiyrzAQeiRq3uw3HLaf0WClN3EN5z0Uiy0RW4H0lxV/3KO58Y5p28LWXCKs0jpcELLutTeaRJVEo4BZ4PyMR8QKKNCz6qtwGge9bPMGzCrgly0Xbn/KzvZsppVMw+2RDpA1z0YccudGnn+pBPweuU5C2a7GhId4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=steffen.cc; spf=pass smtp.mailfrom=steffen.cc; dkim=pass (2048-bit key) header.d=steffen.cc header.i=@steffen.cc header.b=D7kmXpfS; arc=none smtp.client-ip=80.241.56.161 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=steffen.cc Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=steffen.cc Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=steffen.cc header.i=@steffen.cc header.b="D7kmXpfS" Received: from smtp102.mailbox.org (smtp102.mailbox.org [IPv6:2001:67c:2050:b231:465::102]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-103.mailbox.org (Postfix) with ESMTPS id 4XBw8l6zfSz9smr; Mon, 23 Sep 2024 09:48:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=steffen.cc; s=MBO0001; t=1727077704; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=bdfSuHfCrlx1wGjfrH9+twPjEUAgZch4w9adGVm82oY=; b=D7kmXpfSvAQJkUPYM8fyZbQJa8g6pOf/z5DXlJjNLbi2ebZWbDwaW2WOeRCcoBi3ykoTUo iG4k2PHk/OC8h0lqV1fth93Nx024PjWBuUvxi1fPhNSiB92TQ6054jRsEbFBnZam6gFRIU NDmJS2yiOefOqtjSDrKq3D/1vWto4Qe1sduRZAIcdMExaCeN5D8rtYhQub4P5Gp5aRgtR8 N1ssqgbpVsIMO1yrcidpV9R82vjqdADEcMqFCKVZQcpKdAxeL2EQf+JaSDxCkXVXFi+RzQ F10CPZHTmJGrXigu5aIi8tx7ppQNhWvZsdTkgOa6Vj1TNtax145KcTvSw7+Adg== From: lists@steffen.cc To: dri-devel@lists.freedesktop.org, Laurent Pinchart Cc: Steffen Dirkwinkel , Steffen Dirkwinkel , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Michal Simek , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm: xlnx: zynqmp_dpsub: also call drm_helper_hpd_irq_event Date: Mon, 23 Sep 2024 09:48:03 +0200 Message-ID: <20240923074803.10306-1-lists@steffen.cc> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4XBw8l6zfSz9smr Content-Type: text/plain; charset="utf-8" From: Steffen Dirkwinkel With hpd going through the bridge as of commit eb2d64bfcc17 ("drm: xlnx: zynqmp_dpsub: Report HPD through the bridge") we don't get hotplug events in userspace on zynqmp hardware. Also sending hotplug events with drm_helper_hpd_irq_event works. Fixes: eb2d64bfcc17 ("drm: xlnx: zynqmp_dpsub: Report HPD through the bridg= e") Signed-off-by: Steffen Dirkwinkel --- drivers/gpu/drm/xlnx/zynqmp_dp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp= _dp.c index 1846c4971fd8..cb823540a412 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -17,6 +17,7 @@ #include #include #include +#include =20 #include #include @@ -1614,6 +1615,9 @@ static void zynqmp_dp_hpd_work_func(struct work_struc= t *work) hpd_work.work); enum drm_connector_status status; =20 + if (dp->bridge.dev) + drm_helper_hpd_irq_event(dp->bridge.dev); + status =3D zynqmp_dp_bridge_detect(&dp->bridge); drm_bridge_hpd_notify(&dp->bridge, status); } --=20 2.46.1