From nobody Mon Feb 9 16:51:10 2026 Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) (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 A841D14C588 for ; Fri, 22 Nov 2024 17:20:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732296025; cv=none; b=Fn0VUbkmiV1GRQdzEgKX66071MKW9ckU3ABSg8d6hgjnMqQ7bq9vlnoTaQKJ48Gm1Z1fTylExdy2JNxu06lbcIUn5kRh8ortral/0rJF3WTn0UbayOmTddcauE+vXfC2Ih/djPIknDRQ/VjzcjrCqQ49BmvdAKgzZiZ5wNx/Kr4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732296025; c=relaxed/simple; bh=O3J5NrNzQvmEMPf1LtkrT4Rjj+8JjoV8IYUZ6CL3lbA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FCW1euAbRZMid28SiigPxe/1X6xCfirTxF6W2XjPwOPGwkHP7PJN7mho8POfmAry3HQkm5b4bUOgFIwDVfEjFVG+GUTedrESCwYW9KsFl/HZSfkXvmSg9beOi+1Mnwf+bGMGeHYaoZKILH2F0mMq/oRZyfypnEiBXrUAjIhGY5w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=i2yKyxRN; arc=none smtp.client-ip=217.70.183.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="i2yKyxRN" Received: by mail.gandi.net (Postfix) with ESMTPSA id 363CF1C0008; Fri, 22 Nov 2024 17:20:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1732296022; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LVbsawSCI+cNQQUSUvFQ3M/hXSyx3BQzl3u4EwEAYsM=; b=i2yKyxRNkA8zlgpt4Vx9R5HYP124E8d8qOwRY9DJj3oX4TBsdPQOQWuM5SZTtBEpVKWXCR DN5MAFz+KUCJM/mim1hb2C5EwABjyiy2mHwIaJlQd3BjAQURiJUGmilHnZxv1plyhG8qQD YmPwDPRolcBpaTwFvooSPrfCNSiNyxZjO78MyyOJaOstJRFFsgIvzoTwRJWy+YH1dx4Q2E 7ZHUFHokQWEQ1dvWuB7uobKoiK0cmw/Ghxypc76fJq1NvGL7FImUppPRKcGBYkAKMMGJ8T oyN1oVAkwNhvQSrBTZGvZqbx1K/EkLWWpC1MIWKD3VbcuQnJwrJBQX+yer2ZuQ== From: Louis Chauvet Date: Fri, 22 Nov 2024 18:20:06 +0100 Subject: [PATCH RFC v2 02/18] drm/vkms: Add a validation function for vkms configuration 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: <20241122-google-remove-crtc-index-from-parameter-v2-2-81540742535a@bootlin.com> References: <20241122-google-remove-crtc-index-from-parameter-v2-0-81540742535a@bootlin.com> In-Reply-To: <20241122-google-remove-crtc-index-from-parameter-v2-0-81540742535a@bootlin.com> To: =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Simona Vetter , Melissa Wen , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie Cc: arthurgrillo@riseup.net, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, nicolejadeyee@google.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Louis Chauvet X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1917; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=O3J5NrNzQvmEMPf1LtkrT4Rjj+8JjoV8IYUZ6CL3lbA=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBnQL1MnCxUSxlqHgS2+RV+OlFmTNtbD4x5DjcG2 CHAzu9HNz2JAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZ0C9TAAKCRAgrS7GWxAs 4sIcD/47MVc2OXG42yiTwonKS1y4FWPhPH2tqUeYs6tc9adNIDB6yxBSOAk3okR6Y351kiT6ftx ILcIrn0nsd1/LwCPusB6srTwSwR89iubAlka4IAkhkpSy3xYKYgB0H5vvkbjaPLcu0Ld3IQkr1E hQRakfEXiFWZxioqcOfxKnbxYzCc1jrS170TPwbFrCCFIGSKSHNAftA4TsD2n1kQCUt6qCoucKT jAGC8Xoi95FFJLeRzbuVJaWd3xG8SXco38vJ3JOieYkCKV/66F/ictu8m7GwYEv9LiC+LRSvIQy VPLTGX3ilRRkvhYjmpjFVfas3fHTV7jr6pGRQ+Id6x7VYOGlV3pQyCtbXybMHQkietb0HAJyU12 2hazC5R7qKzbVIUGAqtxAdbn517gSGvjGpmJ4yDzphT++4pVx8QjRsCKu+yiX5Ldtyjfyo7SwP8 OVnfBnNimOH1tvskjVpvnYVNpfVNiID6J8jPb79C0ll77mnnHcBb13o7Blj/zzP2BNc1uH8A9W3 FEVfJCQzW3hVRyLf3BDJolPGsok7bmS5VDu6RmdvzrjFIE8xGGEGNJzknAMotqoPgnqW4vFQUGk R23l8PqO/uF3F8TKmSUJtg7I4iFIjQxTDsk1WBoSKe+buaesLy9F2vFaGxjon4e28NWJ+C9QlIb Zuggc+RP2dS4Osg== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.com As the configuration will be used by userspace, add a validator to avoid creating a broken DRM device Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_config.c | 6 ++++++ drivers/gpu/drm/vkms/vkms_config.h | 13 +++++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms= _config.c index 76355174a6ca54b880218c2bd458c8339a3dabaa..8d5c1429e6e196ef46c95c6ae73= 330bc4be2be39 100644 --- a/drivers/gpu/drm/vkms/vkms_config.c +++ b/drivers/gpu/drm/vkms/vkms_config.c @@ -24,6 +24,12 @@ void vkms_config_destroy(struct vkms_config *config) } EXPORT_SYMBOL_IF_KUNIT(vkms_config_destroy); =20 +bool vkms_config_is_valid(struct vkms_config *config) +{ + return true; +} +EXPORT_SYMBOL_IF_KUNIT(vkms_config_is_valid); + static int vkms_config_show(struct seq_file *m, void *data) { struct drm_debugfs_entry *entry =3D m->private; diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms= _config.h index b284831738743f6d7c452be03f917a7d3975d173..df571dd67352ca90fb47bd937fb= 9f11ceb95fcb2 100644 --- a/drivers/gpu/drm/vkms/vkms_config.h +++ b/drivers/gpu/drm/vkms/vkms_config.h @@ -29,4 +29,17 @@ void vkms_config_register_debugfs(struct vkms_device *vk= ms_device); struct vkms_config *vkms_config_create(void); void vkms_config_destroy(struct vkms_config *config); =20 +/** + * vkms_config_is_valid() - Validate a configuration + * + * Check if all the property defined in the configuration are valids. This= will return false for + * example if: + * - no or many primary planes are present; + * - the default rotation of a plane is not in its supported rotation; + * - a CRTC don't have any encoder... + * + * @vkms_config: Configuration to validate + */ +bool vkms_config_is_valid(struct vkms_config *vkms_config); + #endif //_VKMS_CONFIG_H --=20 2.47.0