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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D87FDC7EE23 for ; Wed, 7 Jun 2023 05:27:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234809AbjFGF1d (ORCPT ); Wed, 7 Jun 2023 01:27:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234481AbjFGF12 (ORCPT ); Wed, 7 Jun 2023 01:27:28 -0400 Received: from cavan.codon.org.uk (irc.codon.org.uk [IPv6:2a00:1098:84:22e::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C99281994; Tue, 6 Jun 2023 22:27:26 -0700 (PDT) Received: by cavan.codon.org.uk (Postfix, from userid 1000) id E79C242455; Wed, 7 Jun 2023 06:27:24 +0100 (BST) Date: Wed, 7 Jun 2023 06:27:24 +0100 From: Matthew Garrett To: AceLan Kao Cc: Pali =?iso-8859-1?Q?Roh=E1r?= , Hans de Goede , Mark Gross , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Kai-Heng Feng Subject: Re: [PATCH] platform/x86: dell-laptop: Add drm module soft dependency Message-ID: <20230607052724.GA29834@srcf.ucam.org> References: <20230607034331.576623-1-acelan.kao@canonical.com> <20230607042032.GA28835@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 07, 2023 at 01:19:40PM +0800, AceLan Kao wrote: > Gfx drivers(i915/amdgpu/nvidia) depend on the drm driver, so delaying > the loading of dell_laptop after drm can ease the issue the most. > Right, it's still possible to encounter the issue, unfortunately, we > do not have a better solution for it at the moment. We could unregister inappropriate backlight drivers when a more appropriate one is loaded, or the policy decision around which driver to use could be made in userland?