AcDM85cLCkCpDTJj+GAglDTZT0YjBZdmhUyD7wa0Ei8Ln1XUWl6rH0+xuxhZfEM7OqQe5uN2zRnsklbLI5LaqSvQeepT9HaREpAeTtnFYSnVl7632Nd817+/aIuEqVUcAw8KXKEIo3W90Iaq890Uyzs6ZUFtfO698= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761223817; c=relaxed/simple; bh=ck68Cl+pn506WatKluQtli7MetaQC3dFQbeCPbT07DY=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=BXkiXvqCOBwtnnNvNefPnRS/F+FSIO9bQSso5I6zDNmncB38ZzcaURsyim8P/kLVlNXImhfsV1AVoVMMB0DRcCgGpa+Vfgfv6mWQ2qGIVEepjuF4iLX7nYsdTUfeLl90y3xFD0FONqXycVOLPCwtAGQNxRF2s6O3qNvGz0SUmBw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de; spf=pass smtp.mailfrom=suse.de; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=LysCXxpU; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=1S8+lRF4; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=KzB+L0Y8; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=vf6qPlnJ; arc=none smtp.client-ip=195.135.223.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de 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 2784321202; Thu, 23 Oct 2025 12:50:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1761223810; 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=mnqBhKeQKzNBh5Cx95R3BM4oFp5wlMsjj8k8riLXhQ8=; b=LysCXxpUPoC+bZhXF6xLVl5dHiajZdJRknw8oQgOFJ8wRIcemsPmrO2F9HQoUysKUbVSdo xiwqOKXwp3SqHiVCs7MHlnWz6mvHYeMq6EaHa5bPYdoURq+LeOWMd088WruOpxaC0B0xdv fT6l9+eEIQTFynJAA7wwErSc8Trb5so= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1761223810; 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=mnqBhKeQKzNBh5Cx95R3BM4oFp5wlMsjj8k8riLXhQ8=; b=1S8+lRF40DobkPj20wtlssGKjU7X64HDI1J6TsDvV8ynKxqHI5/Cle50MbvBZLfZWC1h29 QvIMccBdgTWVLzDQ== Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1761223806; 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=mnqBhKeQKzNBh5Cx95R3BM4oFp5wlMsjj8k8riLXhQ8=; b=KzB+L0Y8/HF2Vr1jKdTFxJs/Hrq2pE6I483WwfiWRiKvJtCZ7Wy4Nk6TUyAOV5N2vzChcq 5djWXF8WvATNY0g/wZ1Nrzl9l1oUT1pXyg4gxTiGDb8CZQVoo6pHo1kejjm8EsVWGsg4eY yvlpZDrU3qh3EHgLyRL3xrSU34ajbZo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1761223806; 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=mnqBhKeQKzNBh5Cx95R3BM4oFp5wlMsjj8k8riLXhQ8=; b=vf6qPlnJUsl6QrQfwiMAYbImXKmByz6iYZuTGkfrqn3bzcB9IqhwyQ47rJZjDmC6y2wdaz hhyhe5Xbj5PLTEBQ== 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 C848F13285; Thu, 23 Oct 2025 12:50:05 +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 yaN6L30k+micBQAAD6G6ig (envelope-from ); Thu, 23 Oct 2025 12:50:05 +0000 Message-ID: <83945039-afb4-4cd3-b29c-e4fd5c757a95@suse.de> Date: Thu, 23 Oct 2025 14:50:05 +0200 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION][BISECTED] Screen goes blank with ASpeed AST2300 in 6.18-rc2 From: Thomas Zimmermann To: Peter Schneider , regressions@lists.linux.dev, LKML Cc: dri-devel@lists.freedesktop.org, stable@vger.kernel.org, jfalempe@redhat.com, airlied@redhat.com, dianders@chromium.org, nbowler@draconx.ca, Linus Torvalds , Greg Kroah-Hartman , Thorsten Leemhuis References: <20251014084743.18242-1-tzimmermann@suse.de> <43992c88-3a3a-4855-9f46-27a7e5fdec2e@suse.de> <798ba37a-41d0-4953-b8f5-8fe6c00f8dd3@googlemail.com> <5f8fba3b-2ee1-4a02-9b41-e6e1de1a507a@googlemail.com> <3ca10b2e-fb9c-4495-9219-5e8537314751@googlemail.com> <329a9f97-dd66-49c2-bc42-470566d01539@suse.de> Content-Language: en-US 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: <329a9f97-dd66-49c2-bc42-470566d01539@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Level: X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_TO(0.00)[googlemail.com,lists.linux.dev,vger.kernel.org]; RCPT_COUNT_TWELVE(0.00)[12]; MID_RHS_MATCH_FROM(0.00)[]; FREEMAIL_ENVRCPT(0.00)[googlemail.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo] X-Spam-Flag: NO X-Spam-Score: -4.30 X-DKIM: signer='suse.de' status='pass' reason='' DKIMCheck: Server passes DKIM test, 0 Spam score X-Spam-Score: 0.4 (/) X-Spam-Report: Spam detection software, running on the system "witcher.mxrouting.net", has performed the tests listed below against this email. Information: https://mxroutedocs.com/directadmin/spamfilters/ --- Content analysis details: (0.4 points) --- pts rule name description ---- ---------------------- ----------------------------------------- 0.0 RCVD_IN_DNSWL_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to DNSWL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#DnsBlocklists-dnsbl-block for more information. [142.0.200.124 listed in list.dnswl.org] 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URIs: suse.de] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager SpamTally: Final spam score: 4 > > I've been able to reproduce the problem with an AST2300 test system. > The attached patch fixes the problem for me. Can you please test and > report on the results? On pure -rc2 without previous patches applied. -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg) From - Thu Oct 23 12:55:30 2025 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id aGYdD78l+miTeiYAYBR5ng (envelope-from ) for ; Thu, 23 Oct 2025 12:55:27 +0000 Return-path: Envelope-to: hi@josie.lol Delivery-date: Thu, 23 Oct 2025 12:55:27 +0000 Received: from dfw.mirrors.kernel.org ([142.0.200.124]) by witcher.mxrouting.net with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98) (envelope-from ) id 1vBuqk-0000000Aqlr-3dpB for hi@josie.lol; Thu, 23 Oct 2025 12:55:27 +0000 Received: from smtp.subspace.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.mirrors.kernel.org (Postfix) with ESMTPS id B779A4F02CF for ; Thu, 23 Oct 2025 12:55:24 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 673C7314A73; Thu, 23 Oct 2025 12:55:06 +0000 (UTC) X-Original-To: stable@vger.kernel.org Received: from localhost.localdomain (unknown [147.136.157.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certif