From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ED41ECCFA08 for ; Mon, 3 Nov 2025 17:46:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 020F910E4B6; Mon, 3 Nov 2025 17:46:04 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="J5b7bEqf"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id 096BE10E4B3 for ; Mon, 3 Nov 2025 17:46:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1762191960; bh=iCFLoO01rKyz3zjReJvF8wKHNMO4EC20vnW4OBrUXBk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J5b7bEqfzrOe4wKlz6m1acNl2GPQtH0zjvqt66zyG3B/1rEdzdJZvcKp0iLde1Usj 19LRTDuFI/jVR2ctcRsYcmxrHrSoqIdGmEtrvJdoCPjeT0mVjbUo8UKkudN6fAxPOh DwQuRjYDHbpFttQi1AezJ7C2FMdRqbkfZ2zUWbu0jiEriKvu17G6TRi0L8XFDiWXYT We2ma/qRLY3C0IYAVDp/9oEahjJ0K5PfX41yIAmxeMFj9U160KzSWYJkb1D4B5s9ci 90dTITgue1DxaQmniRNKht+vhltSkzAvLv+8G2xB/APCqyH1+NnuGU748X44y2rktn 0RHXgTdJcEhTg== Received: from localhost.localdomain (unknown [IPv6:2a02:2f08:e41c:5800:b6c0:b468:93e5:9b17]) (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) (Authenticated sender: mvlad) by bali.collaboradmins.com (Postfix) with ESMTPSA id 41AFB17E1402; Mon, 3 Nov 2025 18:46:00 +0100 (CET) From: Marius Vlad To: dri-devel@lists.freedesktop.org Cc: dmitry.baryshkov@oss.qualcomm.com, tzimmermann@suse.de, simona.vetter@ffwll.ch, jani.nikula@linux.intel.com, ian.forbes@broadcom.com, louis.chauvet@bootlin.com, daniel.stone@collabora.com Subject: [PATCH v4 3/3] drm/vkms: Add polling for HPD Date: Mon, 3 Nov 2025 19:45:57 +0200 Message-ID: <20251103174558.7709-4-marius.vlad@collabora.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20251103174558.7709-1-marius.vlad@collabora.com> References: <20251103174558.7709-1-marius.vlad@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" vkms is missing any kind of HPD (polling/irq), so add polling to handle hotplug events. Signed-off-by: Marius Vlad --- drivers/gpu/drm/vkms/vkms_drv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index e8472d9b6e3b..ec815c42ef04 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -198,6 +198,9 @@ static int vkms_create(struct vkms_config *config) if (ret) goto out_devres; + /* init kms poll for handling hpd */ + drm_kms_helper_poll_init(&vkms_device->drm); + drm_client_setup(&vkms_device->drm, NULL); return 0; @@ -240,6 +243,7 @@ static void vkms_destroy(struct vkms_config *config) fdev = config->dev->faux_dev; + drm_kms_helper_poll_fini(&config->dev->drm); drm_dev_unregister(&config->dev->drm); drm_atomic_helper_shutdown(&config->dev->drm); devres_release_group(&fdev->dev, NULL); -- 2.47.2