From patchwork Mon Oct 31 21:25:56 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: 620267 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 766C8FA3741 for ; Mon, 31 Oct 2022 21:27:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229868AbiJaV1C (ORCPT ); Mon, 31 Oct 2022 17:27:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229711AbiJaV1B (ORCPT ); Mon, 31 Oct 2022 17:27:01 -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 ESMTPS id 78273E0B7 for ; Mon, 31 Oct 2022 14:26:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1667251561; 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; bh=shBZPHKYcMC0unaK56b0eDrAF/WjMbXbhoipJJg1iNY=; b=fO5l0UlwIhCbazVcSaWtYmiVkwgijIQ04W5k52xKjs7inzzhfqUnFIOX+X7jbgwiEgmD5b 0DgtJboH0cB+Fb1yrPqmPoarGdWSsHjgmNTcjHPmdGtOuQa5cYFCi9GCpkwV+lOD+RNeaz j9ld7H3rlkcLtREXT9GVizftejzhr2o= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-271-B0R6GCAVPq-v3ersUlo2WA-1; Mon, 31 Oct 2022 17:25:58 -0400 X-MC-Unique: B0R6GCAVPq-v3ersUlo2WA-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 D41293814943; Mon, 31 Oct 2022 21:25:57 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.194.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id E76DBC15BB2; Mon, 31 Oct 2022 21:25:56 +0000 (UTC) From: Hans de Goede To: "Rafael J . Wysocki" Cc: Hans de Goede , Len Brown , linux-acpi@vger.kernel.org, platform-driver-x86@vger.kernel.org, Daniel Dadap Subject: [PATCH] ACPI: video: Add backlight=native DMI quirk for Dell G15 5515 Date: Mon, 31 Oct 2022 22:25:56 +0100 Message-Id: <20221031212556.401618-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org The Dell G15 5515 has the WMI interface (and WMI call returns) expected by the nvidia-wmi-ec-backlight interface. But the backlight class device registered by the nvidia-wmi-ec-backlight driver does not actually work. The amdgpu_bl0 native GPU backlight class device does actually work, add a backlight=native DMI quirk for this. Cc: Daniel Dadap Signed-off-by: Hans de Goede --- drivers/acpi/video_detect.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 841f6213b4de..88acc09773bb 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -645,6 +645,16 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, }, + /* Models which have nvidia-ec-wmi support, but should not use it. */ + { + .callback = video_detect_force_native, + /* Dell G15 5515 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5515"), + }, + }, + /* * Desktops which falsely report a backlight and which our heuristics * for this do not catch.