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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 85248F8FA7A for ; Tue, 21 Apr 2026 13:38:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=WPogffiDn1teV3hh10DddpwUm0DmWjANhCo9KAOX65k=; b=ZwwVbOYtd6RAuH4CiB7DO3Q+C7 uBxjNVMg4DoNZSeaMW4Nt39C2JvjO2BcJ8f4FxOkbjIBD7niBnudY1kWrOiiGpQshtiaaUiygqql/ pm5UWYSaXhKSKWNR8s/PEdMUXl/9yMyhv6CV+6yu1kC45ddd8nOUks2oWhM/BDMM5Ozq6G8+hSzhN yvrFLpliT1K4+3kfgm1w1puxHOY/SSwDoo9Q9cSmaR/TN3mx+6JrBtjzStekUU1ArNjepfRWFGodn /KVYyu7CrzX5HKdqPS98u1n2KceuxMka6wZhSMggMB6OlNc6cNFRobgutwdZHBIRi3BgZ/XvkSrd9 fmQNsesg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wFBJ0-00000008gB4-4433; Tue, 21 Apr 2026 13:38:23 +0000 Received: from smtp-out1.suse.de ([195.135.223.130]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wFBIy-00000008gAg-0KRP for linux-arm-kernel@lists.infradead.org; Tue, 21 Apr 2026 13:38:21 +0000 Received: from imap1.dmz-prg2.suse.org (unknown [10.150.64.97]) (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 smtp-out1.suse.de (Postfix) with ESMTPS id E61856A8EA; Tue, 21 Apr 2026 13:38:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1776778698; h=from:from:reply-to: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:autocrypt:autocrypt; bh=WPogffiDn1teV3hh10DddpwUm0DmWjANhCo9KAOX65k=; b=FxvCX7U/MZKwDB3PdfUmU9wyMfOExhZTDI2WN/XtB0pH4FV/Q12d5zuwZUzp2r2EfpJ+Ks Jq5zdn+shJ80j8LbtlLmSK2ei6YndztvxB+dhHnyApSrHQvMahWUTaC7rTm/0imiLfANVA w5rXjrSFps7w5Wa41CMprhhbmB2ROPU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1776778698; h=from:from:reply-to: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:autocrypt:autocrypt; bh=WPogffiDn1teV3hh10DddpwUm0DmWjANhCo9KAOX65k=; b=92c6bEBqbLh5J4tzCIxmex2MlZlgLi7xPUvWQmUCtgwnnZYDj9+Vc/ihRsBY+DypzJwEjQ aqcnT7XzhXmgIXDQ== Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1776778697; h=from:from:reply-to: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:autocrypt:autocrypt; bh=WPogffiDn1teV3hh10DddpwUm0DmWjANhCo9KAOX65k=; b=q9B0hYnMg952CmqTVG+W85OUvzBnIwQUNK75wok9VohnMCwlczsXjMhLU85U5dgvnBjs3Q LadI3KgE9QVY0rlwtfqHd2JoqgDY9AVpTC1S/UdUUdEOObikyRWut9ct6imq8B+6Wwzd6Z VNbs/Z+L+TsGuwdgPlCF18+Fnl9rB1E= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1776778697; h=from:from:reply-to: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:autocrypt:autocrypt; bh=WPogffiDn1teV3hh10DddpwUm0DmWjANhCo9KAOX65k=; b=npEj7H4fNrNfQXLJqD2n66Mwwq7pI8ZSk/SJMnpmZp6UIv1gy2ViswSdWUs+uaBpKFVUZk CnmNw66byClsmOAw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (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 imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 1A339593AF; Tue, 21 Apr 2026 13:38:17 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id kZsuBcl952kkGQAAD6G6ig (envelope-from ); Tue, 21 Apr 2026 13:38:17 +0000 Message-ID: <79cc30d5-80b5-4d87-a3ad-36d6fad98853@suse.de> Date: Tue, 21 Apr 2026 15:38:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 15/20] drm/drv: Call drm_mode_config_create_state() by default To: Maxime Ripard , Maarten Lankhorst , David Airlie , Simona Vetter , Jonathan Corbet , Shuah Khan , Dmitry Baryshkov , Jyri Sarha , Tomi Valkeinen , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Simon Ser , Harry Wentland , Melissa Wen , Sebastian Wick , Alex Hung , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Chen-Yu Tsai , Samuel Holland , Dave Stevenson , =?UTF-8?Q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance Cc: dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Stone , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev References: <20260320-drm-mode-config-init-v2-0-c63f1134e76c@kernel.org> <20260320-drm-mode-config-init-v2-15-c63f1134e76c@kernel.org> Content-Language: en-US From: Thomas Zimmermann Autocrypt: addr=tzimmermann@suse.de; keydata= xsBNBFs50uABCADEHPidWt974CaxBVbrIBwqcq/WURinJ3+2WlIrKWspiP83vfZKaXhFYsdg XH47fDVbPPj+d6tQrw5lPQCyqjwrCPYnq3WlIBnGPJ4/jreTL6V+qfKRDlGLWFjZcsrPJGE0 BeB5BbqP5erN1qylK9i3gPoQjXGhpBpQYwRrEyQyjuvk+Ev0K1Jc5tVDeJAuau3TGNgah4Yc hdHm3bkPjz9EErV85RwvImQ1dptvx6s7xzwXTgGAsaYZsL8WCwDaTuqFa1d1jjlaxg6+tZsB 9GluwvIhSezPgnEmimZDkGnZRRSFiGP8yjqTjjWuf0bSj5rUnTGiyLyRZRNGcXmu6hjlABEB AAHNJ1Rob21hcyBaaW1tZXJtYW5uIDx0emltbWVybWFubkBzdXNlLmRlPsLAjgQTAQgAOAIb AwULCQgHAgYVCgkICwIEFgIDAQIeAQIXgBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftODH AAoJEGgNwR1TC3ojx1wH/0hKGWugiqDgLNXLRD/4TfHBEKmxIrmfu9Z5t7vwUKfwhFL6hqvo lXPJJKQpQ2z8+X2vZm/slsLn7J1yjrOsoJhKABDi+3QWWSGkaGwRJAdPVVyJMfJRNNNIKwVb U6B1BkX2XDKDGffF4TxlOpSQzdtNI/9gleOoUA8+jy8knnDYzjBNOZqLG2FuTdicBXblz0Mf vg41gd9kCwYXDnD91rJU8tzylXv03E75NCaTxTM+FBXPmsAVYQ4GYhhgFt8S2UWMoaaABLDe 7l5FdnLdDEcbmd8uLU2CaG4W2cLrUaI4jz2XbkcPQkqTQ3EB67hYkjiEE6Zy3ggOitiQGcqp j//OwE0EWznS4AEIAMYmP4M/V+T5RY5at/g7rUdNsLhWv1APYrh9RQefODYHrNRHUE9eosYb T6XMryR9hT8XlGOYRwKWwiQBoWSDiTMo/Xi29jUnn4BXfI2px2DTXwc22LKtLAgTRjP+qbU6 3Y0xnQN29UGDbYgyyK51DW3H0If2a3JNsheAAK+Xc9baj0LGIc8T9uiEWHBnCH+RdhgATnWW GKdDegUR5BkDfDg5O/FISymJBHx2Dyoklv5g4BzkgqTqwmaYzsl8UxZKvbaxq0zbehDda8lv hFXodNFMAgTLJlLuDYOGLK2AwbrS3Sp0AEbkpdJBb44qVlGm5bApZouHeJ/+n+7r12+lqdsA EQEAAcLAdgQYAQgAIAIbDBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftOH6AAoJEGgNwR1T C3ojVSkIALpAPkIJPQoURPb1VWjh34l0HlglmYHvZszJWTXYwavHR8+k6Baa6H7ufXNQtThR yIxJrQLW6rV5lm7TjhffEhxVCn37+cg0zZ3j7zIsSS0rx/aMwi6VhFJA5hfn3T0TtrijKP4A SAQO9xD1Zk9/61JWk8OysuIh7MXkl0fxbRKWE93XeQBhIJHQfnc+YBLprdnxR446Sh8Wn/2D Ya8cavuWf2zrB6cZurs048xe0UbSW5AOSo4V9M0jzYI4nZqTmPxYyXbm30Kvmz0rYVRaitYJ 4kyYYMhuULvrJDMjZRvaNe52tkKAvMevcGdt38H4KSVXAylqyQOW5zvPc4/sq9c= In-Reply-To: <20260320-drm-mode-config-init-v2-15-c63f1134e76c@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; FUZZY_RATELIMITED(0.00)[rspamd.com]; TO_DN_SOME(0.00)[]; RCPT_COUNT_TWELVE(0.00)[37]; TAGGED_RCPT(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLyhjdboxbrjk5hnijtjs4kbm6)]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; FREEMAIL_TO(0.00)[kernel.org,linux.intel.com,gmail.com,ffwll.ch,lwn.net,linuxfoundation.org,oss.qualcomm.com,iki.fi,ideasonboard.com,intel.com,linaro.org,kwiboo.se,emersion.fr,amd.com,igalia.com,redhat.com,ursulin.net,sholland.org,raspberrypi.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,imap1.dmz-prg2.suse.org:helo,suse.com:url] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260421_063820_478407_DBB8ABB6 X-CRM114-Status: GOOD ( 17.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Am 20.03.26 um 17:27 schrieb Maxime Ripard: > Almost all drivers, and our documented skeleton, call > drm_mode_config_reset() prior to calling drm_dev_register() to > initialize its DRM object states. > > Now that we have drm_mode_config_create_state() to create that initial > state if it doesn't exist, we can call it directly in > drm_dev_register(). That way, we know that the initial atomic state will > always be allocated without any boilerplate. > > Signed-off-by: Maxime Ripard > --- > drivers/gpu/drm/drm_drv.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c > index 2915118436ce8a6640cfb0c59936031990727ed1..820106d56ab399a39cac56d98662b5ddbcae8ded 100644 > --- a/drivers/gpu/drm/drm_drv.c > +++ b/drivers/gpu/drm/drm_drv.c > @@ -1097,10 +1097,14 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags) > > if (drm_core_check_feature(dev, DRIVER_MODESET)) { > ret = drm_modeset_register_all(dev); > if (ret) > goto err_unload; > + > + ret = drm_mode_config_create_state(dev); > + if (ret) > + goto err_unload; Way too late. Lets rather go through drivers and call this where they currently call drm_mode_config_reset() for initialization. This can be a single-patch mass conversion IMHO. Best regards Thomas > } > drm_panic_register(dev); > drm_client_sysrq_register(dev); > > DRM_INFO("Initialized %s %d.%d.%d for %s on minor %d\n", > -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com GF: Jochen Jaser, Andrew McDonald, Werner Knoblich, (HRB 36809, AG Nürnberg)