Message ID | 20220825143726.269890-9-hdegoede@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <intel-gfx-bounces@lists.freedesktop.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22343C64990 for <intel-gfx@archiver.kernel.org>; Thu, 25 Aug 2022 14:39:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1870410E412; Thu, 25 Aug 2022 14:38:29 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2B45610E3BC for <intel-gfx@lists.freedesktop.org>; Thu, 25 Aug 2022 14:38:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1661438290; 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=Gy4nad6Qh8tnv7TIvT0rDPmcwKdzWmM3aE/TJMfZBr0=; b=fTk4OFUKFejBZei1udfQqFQf+NJhhGzuGrTQV/3VHsvWfQxMUqSMKQYiG4dg/vdITgu3hP ObEHljfhHMzj6csW5DuS9/dFZuUjP0ceTbtIA8Qtr9UxmoWBAnFd8hMoXfqcb9XDMHG7ox 47F8q7Yoh+9v+l1wKrxMEjys52ndUJM= 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-513-wZcURxNvMzqeMpLwY3YdPg-1; Thu, 25 Aug 2022 10:38:04 -0400 X-MC-Unique: wZcURxNvMzqeMpLwY3YdPg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6A62181F46A; Thu, 25 Aug 2022 14:38:03 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.193.46]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9E1442166B26; Thu, 25 Aug 2022 14:37:59 +0000 (UTC) From: Hans de Goede <hdegoede@redhat.com> To: Ben Skeggs <bskeggs@redhat.com>, Karol Herbst <kherbst@redhat.com>, Lyude <lyude@redhat.com>, Daniel Dadap <ddadap@nvidia.com>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>, Alex Deucher <alexander.deucher@amd.com>, =?utf-8?q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>, Pan@freedesktop.org, Xinhui <Xinhui.Pan@amd.com>, "Rafael J . Wysocki" <rafael@kernel.org>, Mika Westerberg <mika.westerberg@linux.intel.com>, Lukas Wunner <lukas@wunner.de>, Mark Gross <markgross@kernel.org>, Andy Shevchenko <andy@kernel.org> Date: Thu, 25 Aug 2022 16:37:03 +0200 Message-Id: <20220825143726.269890-9-hdegoede@redhat.com> In-Reply-To: <20220825143726.269890-1-hdegoede@redhat.com> References: <20220825143726.269890-1-hdegoede@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 Subject: [Intel-gfx] [PATCH v5 08/31] ACPI: video: Simplify acpi_video_unregister_backlight() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development <intel-gfx.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>, <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/intel-gfx> List-Post: <mailto:intel-gfx@lists.freedesktop.org> List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>, <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe> Cc: linux-acpi@vger.kernel.org, nouveau@lists.freedesktop.org, intel-gfx <intel-gfx@lists.freedesktop.org>, "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>, dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, amd-gfx@lists.freedesktop.org, Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@redhat.com>, Len Brown <lenb@kernel.org> Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org> |
Series |
drm/kms: Stop registering multiple /sys/class/backlight devs for a single display
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diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index cde8ffa9f0b8..8545bf94866f 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -2257,14 +2257,10 @@ void acpi_video_unregister_backlight(void) { struct acpi_video_bus *video; - mutex_lock(®ister_count_mutex); - if (register_count) { - mutex_lock(&video_list_lock); - list_for_each_entry(video, &video_bus_head, entry) - acpi_video_bus_unregister_backlight(video); - mutex_unlock(&video_list_lock); - } - mutex_unlock(®ister_count_mutex); + mutex_lock(&video_list_lock); + list_for_each_entry(video, &video_bus_head, entry) + acpi_video_bus_unregister_backlight(video); + mutex_unlock(&video_list_lock); } bool acpi_video_handles_brightness_key_presses(void)