From patchwork Sat Jan 7 18:26:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg via B4 Relay X-Patchwork-Id: 640196 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 63741C46467 for ; Sat, 7 Jan 2023 18:26:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232571AbjAGS0Z (ORCPT ); Sat, 7 Jan 2023 13:26:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230350AbjAGS0X (ORCPT ); Sat, 7 Jan 2023 13:26:23 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 399AF3F108; Sat, 7 Jan 2023 10:26:22 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D681E60B97; Sat, 7 Jan 2023 18:26:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 3A387C43392; Sat, 7 Jan 2023 18:26:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673115981; bh=VwfafFJh85RTWNScBOqwx3qqZPO0h3ATlgYbyDEPC5c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Lztt/Lr87i5c5lExc8vdn4aZe8aWtC6RKTHYiRttCMz90bu5Ax1mdzomVNCwu7drn xP3k487BFOopcNf1kfC30z86+ItuByGgcoHCb2mp/e+aHZ/C4KGO2DKAagrjLVrj9a hqzJwM4QvyNOsOR8eRQg61WHXI+uu7fiI6j46dhoNBPK6y7NMLSh9Mflp7fsElyopH 8tz4fBs4Ful6Dq4060z9n3U52FvXMkwKKi4MswVznK4MRtlX82iio03yHbYOYO8PQa CqXPOymgAQYQdhEOHtKShOvXYXFoR4EVvg5oDqUVdVaXNiBuVM9LXgy0iHpuTSvdJA Bc5YWuZUj1BOQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27032C46467; Sat, 7 Jan 2023 18:26:21 +0000 (UTC) From: Sam Ravnborg via B4 Submission Endpoint Date: Sat, 07 Jan 2023 19:26:17 +0100 Subject: [PATCH 03/15] video: fbdev: nvidia: Introduce backlight_get_brightness() MIME-Version: 1.0 Message-Id: <20230107-sam-video-backlight-drop-fb_blank-v1-3-1bd9bafb351f@ravnborg.org> References: <20230107-sam-video-backlight-drop-fb_blank-v1-0-1bd9bafb351f@ravnborg.org> In-Reply-To: <20230107-sam-video-backlight-drop-fb_blank-v1-0-1bd9bafb351f@ravnborg.org> To: Nicolas Ferre , Helge Deller , Alexandre Belloni , Claudiu Beznea , Antonino Daplas , Benjamin Herrenschmidt , Paul Mackerras , Greg Kroah-Hartman , Robin van der Gracht , Miguel Ojeda , Lee Jones , Daniel Thompson , Jingoo Han Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-staging@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, Stephen Kitt , Sam Ravnborg X-Mailer: b4 0.11.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1673115978; l=1193; i=sam@ravnborg.org; s=20230107; h=from:subject:message-id; bh=RQWprkm6DY1nK1XlfLALnIqlG+B5HpXX5nbpp2tYP5w=; =?utf-8?q?b=3D6PTpxwIiFZKL?= =?utf-8?q?U7iAjk5SURSyOARWGJhvy9t+pxCYjyWSnVB5zn7lmv5isPTykC0kqbBVYgHfNrQN?= OZnhe0MqCfAtmCpuzISqqz7yPrFGies9O1YR3IhYNqqN2c2yJA35 X-Developer-Key: i=sam@ravnborg.org; a=ed25519; pk=R0+pqV7BRYOAeOIGkyOrSNke7arx5y3LkEuNi37YEyU= X-Endpoint-Received: by B4 Submission Endpoint for sam@ravnborg.org/20230107 with auth_id=22 X-Original-From: Sam Ravnborg Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Sam Ravnborg Introduce backlight_get_brightness() to simplify logic and avoid direct access to backlight properties. Signed-off-by: Sam Ravnborg Cc: Antonino Daplas Cc: linux-fbdev@vger.kernel.org --- drivers/video/fbdev/nvidia/nv_backlight.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/video/fbdev/nvidia/nv_backlight.c b/drivers/video/fbdev/nvidia/nv_backlight.c index 2ce53529f636..503a7a683855 100644 --- a/drivers/video/fbdev/nvidia/nv_backlight.c +++ b/drivers/video/fbdev/nvidia/nv_backlight.c @@ -49,17 +49,11 @@ static int nvidia_bl_update_status(struct backlight_device *bd) { struct nvidia_par *par = bl_get_data(bd); u32 tmp_pcrt, tmp_pmc, fpcontrol; - int level; + int level = backlight_get_brightness(bd); if (!par->FlatPanel) return 0; - if (bd->props.power != FB_BLANK_UNBLANK || - bd->props.fb_blank != FB_BLANK_UNBLANK) - level = 0; - else - level = bd->props.brightness; - tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF; tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC; fpcontrol = NV_RD32(par->PRAMDAC, 0x0848) & 0xCFFFFFCC;