From patchwork Tue May 17 15:23:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 573487 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 12777C43219 for ; Tue, 17 May 2022 15:24:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349937AbiEQPYR (ORCPT ); Tue, 17 May 2022 11:24:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349955AbiEQPYP (ORCPT ); Tue, 17 May 2022 11:24:15 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4050E4F9C0 for ; Tue, 17 May 2022 08:24:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652801046; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ngme+KBZsio7L3hgMjmFvUQ3vX2ypuHKRmCzfY/wkz4=; b=OkqQOKhayZ1kNdfGHZDYSYUgqJG2FmX3ZcsnieH1Cslco2fLKzd4JQ7eG+4yDlQzeodZuy bB7JZf1dCQOjLHL/bX9AcsgBYeyPnwDYaRw3b90hXKwCeoP3EoLjv8PzAz7qA+y2Qbj/3s dd0BTm6o+27eOA0dUlnnl/kOS55bunA= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-463-SiHUwUMWNcCW_I5X6sC0Yw-1; Tue, 17 May 2022 11:24:05 -0400 X-MC-Unique: SiHUwUMWNcCW_I5X6sC0Yw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A058A803B22; Tue, 17 May 2022 15:24:02 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.192.162]) by smtp.corp.redhat.com (Postfix) with ESMTP id 22B79C15D70; Tue, 17 May 2022 15:23:59 +0000 (UTC) From: Hans de Goede To: Ben Skeggs , Karol Herbst , Lyude , Daniel Dadap , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Pan@vger.kernel.org, Xinhui , "Rafael J . Wysocki" , Mika Westerberg , Mark Gross , Andy Shevchenko Cc: Hans de Goede , nouveau@lists.freedesktop.org, Daniel Vetter , David Airlie , intel-gfx , dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Len Brown , linux-acpi@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH 06/14] ACPI: video: Drop backlight_device_get_by_type() call from acpi_video_get_backlight_type() Date: Tue, 17 May 2022 17:23:23 +0200 Message-Id: <20220517152331.16217-7-hdegoede@redhat.com> In-Reply-To: <20220517152331.16217-1-hdegoede@redhat.com> References: <20220517152331.16217-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Now that all kms drivers which register native/BACKLIGHT_RAW type backlight devices on x86/ACPI boards call acpi_video_get_backlight_type(true), with the native=true value getting cached, there no longer is a need to call backlight_device_get_by_type(BACKLIGHT_RAW) to see if a native backlight device is available. Relying on the cached native_available value not only is simpler, it will also work correctly in cases where then native backlight registration was skipped because of the acpi_video_get_backlight_type() return value. Signed-off-by: Hans de Goede --- drivers/acpi/video_detect.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 0a06f0edd298..6caabdf189c9 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -586,8 +586,7 @@ enum acpi_backlight_type acpi_video_get_backlight_type(bool native) if (!(video_caps & ACPI_VIDEO_BACKLIGHT)) return acpi_backlight_vendor; - if (acpi_osi_is_win8() && - (native_available || backlight_device_get_by_type(BACKLIGHT_RAW))) + if (acpi_osi_is_win8() && native_available) return acpi_backlight_native; return acpi_backlight_video;