From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C060331ED7C; Tue, 2 Dec 2025 15:53:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764690788; cv=none; b=qpfK8Ya16GXetSsiuafmry2cYZ3oj4CgcXqTC0aWeAtuxlwCkNOAKSAV0Jwldjcf8DUZurNc4nfEPhpioLexj0f5Tqm11R8Z51EPLi635hqMrJXLCwNDKG+tBv84kCD1eTqoRe9NOwLeM+JkVRBSOGcbT4LNEsYFml8GPaT4OQg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764690788; c=relaxed/simple; bh=dAuiJuoctUPi+JO/hbGHwGpVusbOU/8eCH/UeKEZfNU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jYrAg8cVPZ/6Sw9rghHf5ryNBawOPDL6rSjLz1Bo5/k147PgnRa3GVei9aY9dL3u77QadmuvfTBv7NjnhaUtr/p/YIlJNyhXUK0N48PHdL1DVGTzLl4pIm0h1ZQQbQTsDYZ1lBtiwQzWPKv3CoOnsg1ydytJss5tEin8nmeSRic= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fz2ez+iL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="fz2ez+iL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 098C8C4CEF1; Tue, 2 Dec 2025 15:53:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764690788; bh=dAuiJuoctUPi+JO/hbGHwGpVusbOU/8eCH/UeKEZfNU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fz2ez+iLP9STXL5YjoRxhOjyPsvrIc6RDVKWcIDX/1QHHsSM4sdWrzjHE7v0dVjjG doEQ2sMlHbZ2+eoyAL143a1glI1ItnsWn5Ut/ZXkdORSlbk7GoGXwGoXYJgP6DV6fb MB/QfJSpLVds6QHP0BZ3SNQNKQztmcuQgvQ94VDo= Date: Tue, 2 Dec 2025 16:53:04 +0100 From: Greg KH To: Thomas Zimmermann Cc: Sasha Levin , stable@vger.kernel.org, Javier Martinez Canillas , Alex Deucher , dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-fbdev@vger.kernel.org Subject: Re: [PATCH 6.6.y] drm, fbcon, vga_switcheroo: Avoid race condition in fbcon setup Message-ID: <2025120251-polymer-disobey-ccc4@gregkh> References: <2025120119-quake-universal-d896@gregkh> <20251201225123.1298682-1-sashal@kernel.org> <250b44b3-e75b-4f8d-af44-d3a985ea554c@suse.de> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <250b44b3-e75b-4f8d-af44-d3a985ea554c@suse.de> On Tue, Dec 02, 2025 at 08:42:52AM +0100, Thomas Zimmermann wrote: > Hi, > > thanks for backporting. > > You also have to remove the calls to vga_switcheroo_client_fb_set() from > these files > > https://elixir.bootlin.com/linux/v6.6/source/drivers/gpu/drm/i915/display/intel_fbdev.c > > https://elixir.bootlin.com/linux/v6.6/source/drivers/gpu/drm/radeon/radeon_fbdev.c Also, a fixed backport would be appreciated here. thanks greg k-h