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 X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E097EC4338F for ; Sat, 24 Jul 2021 06:56:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF7256056C for ; Sat, 24 Jul 2021 06:56:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234135AbhGXGPR (ORCPT ); Sat, 24 Jul 2021 02:15:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:52994 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234060AbhGXGPQ (ORCPT ); Sat, 24 Jul 2021 02:15:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AF70360EB0 for ; Sat, 24 Jul 2021 06:55:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627109748; bh=B80hoZZe2OO2rx4q7PEXznNCfVJkARWnoc3HG9wphzQ=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=TPKBM4kCRjp6Dl8ERLme76Rqlot6iiRhwW3z4TPWOVwJ2+9Fs7xi3Zn1wR65TDQzs +ShXgwh64Rr4gLPIR4VuUZkIz0OY9RiIfMRMXzp7UfbQ4TYAxMB/6h+FkH5YixH7Mt lrpas+gEwhRV+I2mWemvQGFGlFEwDMXGatnDxi6EAfXWE4PiZJCSn0skFbJHbX35Xl /gaXVW99pnGOl9cTVxwf+iOWbIy6bs8vzvD3ASuwS+WbTB4SaclRIJXThFKv8svHYe 6WcRzdgCguxxYdkGK98bznKXi0tNj6T25JyB7YFOlFtiVg89XECJFR7br5nvLe+etP MBb+1mV8DeOnQ== Received: by mail-wm1-f48.google.com with SMTP id j34-20020a05600c1c22b029024e75084404so1938214wms.1 for ; Fri, 23 Jul 2021 23:55:48 -0700 (PDT) X-Gm-Message-State: AOAM533OqaQJUq4+hdtDODUPyl96AgRBpxIWN+ApOFjOHFl7XWLDuP4O lB/oR/YWLhm44Sq4g+xFW2A12gnfWRNUqDYsO1w= X-Google-Smtp-Source: ABdhPJyR72GsEjxAav2mThfrkDdq7Q7rsOokZHAxvRhxua1hNtotzPz//554fpJOxQYtC+mHVkp1i/zd0EA29NRxVbU= X-Received: by 2002:a7b:c385:: with SMTP id s5mr7491845wmj.43.1627109747390; Fri, 23 Jul 2021 23:55:47 -0700 (PDT) MIME-Version: 1.0 References: <20210723224617.3088886-1-kherbst@redhat.com> In-Reply-To: <20210723224617.3088886-1-kherbst@redhat.com> From: Arnd Bergmann Date: Sat, 24 Jul 2021 08:55:31 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] nouveau: make backlight support non optional To: Karol Herbst Cc: Linux Kernel Mailing List , Lyude Paul , Ben Skeggs , Randy Dunlap , Daniel Vetter , ML nouveau , dri-devel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 24, 2021 at 12:47 AM Karol Herbst wrote: > > In the past this only led to compilation issues. Also the small amount of > extra .text shouldn't really matter compared to the entire nouveau driver > anyway. > > select DRM_TTM_HELPER > - select BACKLIGHT_CLASS_DEVICE if DRM_NOUVEAU_BACKLIGHT > - select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && INPUT > + select BACKLIGHT_CLASS_DEVICE > + select ACPI_VIDEO if ACPI && X86 && INPUT > select X86_PLATFORM_DEVICES if ACPI && X86 > select ACPI_WMI if ACPI && X86 I think the logic needs to be the reverse: instead of 'select BACKLIGHT_CLASS_DEVICE', this should be 'depends on BACKLIGHT_CLASS_DEVICE', and the same for ACPI_VIDEO. We may want to add 'default DRM || FB' to BACKLIGHT_CLASS_DEVICE in the process so we don't lose it for users doing 'make oldconfig' or 'make defconfig' The rest of the patch looks good to me. Arnd