From patchwork Sat Jan 7 18:26:19 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: 40433 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:4e01:0:0:0:0:0 with SMTP id p1csp1406818wrt; Sat, 7 Jan 2023 10:27:35 -0800 (PST) X-Google-Smtp-Source: AMrXdXueVGhus8Sexir4RNDLXXxOKm5qvTdfn5rbt6J3X88sYtz/EDApURTNa3oRv7OXYXJS3xyK X-Received: by 2002:a05:6a20:1e5a:b0:9d:efbf:48d7 with SMTP id cy26-20020a056a201e5a00b0009defbf48d7mr64440301pzb.27.1673116055000; Sat, 07 Jan 2023 10:27:35 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1673116054; cv=none; d=google.com; s=arc-20160816; b=zk3cVM06YcE9bkfOWbGAL3p2UptI2O1qSP5xJvL86b3PD26X0//G848kATw9DG8Dd6 5QG4S5XGe0Lsg66f+I+atjEvdjZq6Uxdel0LGRvZJWIcC5tW3ekebJSlAiWPfp6C140R XaCg1tNPWGXqbosWr3TjkyBtcpM2yAtIz5KUvLCP/HU5kqaZaheLhMY4Dv2zU6nswhqd A4aDhn/5GipX6niApOMrdqG7a/vtB0k/Mz+Npe/Sxv4XMapAvDP56WGGe6TrEBTRYMLl JnVnc4lS+WyLY85lMfzvSSHoIPj0puLpy0SjrxsFkgln5wRf2+WhY84efxwkMBZoELqr ighA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:reply-to:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=vruDygAa5JV5xCt2KTxw3D3MunvxwExgbt4lDdg26Po=; b=IUNt7Z/GFxKs7dSuRaOFecGV8JTC0DjTKFaOGHvFQlKY5tEwE+aQshrB9iwaTJZJ5T 0HBLXbEMajzPLdhjGYEi/R3LgZ97q2Ia1c0KfaRtCE4h/0MpDc7iarPwzW4TvDJiYVIX S3mWW7CQnBotoq+ykuIfNAgml+XLAfsZS5sgf+5oA2kL+7ug3Vh9WPTTaQ13y1hpPj37 DycngIWZEuqvrTChAs/qNAIVahGfW4kT9l7G9HoF6puEwzokhX9lh29bvQlxytOjXv/g IuJCX5oPuS+vmo0PWN00WsHtnONbHJhonfUkC/orOkcoexhnNUSmqVE8nk4CcQPlRUdR iL8w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=CQ5EFq+2; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id s13-20020a056a00178d00b0057a98bc952dsi5031040pfg.35.2023.01.07.10.27.21; Sat, 07 Jan 2023 10:27:34 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=CQ5EFq+2; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232855AbjAGS0w (ORCPT + 99 others); Sat, 7 Jan 2023 13:26:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232574AbjAGS0Z (ORCPT ); Sat, 7 Jan 2023 13:26:25 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7479440C0C; Sat, 7 Jan 2023 10:26:24 -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 ams.source.kernel.org (Postfix) with ESMTPS id 27AF6B8069A; Sat, 7 Jan 2023 18:26:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 5C138C433A1; 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=UgErG0ahXvin5KqprcP4yTzkDgUMgisxrCT5F6v9v3s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=CQ5EFq+2BPJRiq3zf5snT1YX3p1YtwrJOo0UElQbxKCbR2zY/q0mm4QOeEwFbp0ob wUKiM7ao8aI3qoMlKhkOZyBDK30hY9q6LvDt3jfbG4Ze4T+I4UWSQYU+/vwLW9Qydd ZCx0Cp/78jutBDA25G5AXNmT4rc3GObY0qBV0Bxvv6OQGC4u19HXcqMGJXqNUiVHY1 +T7FM2SaxNG7uxi0OfBE+WHStPObR8Mbj2CGH4o3xT4I7bChwIDdc2m26PTFcSomG/ NeqTXSUoIeLn+P2wyPY0OZKk2JaTqOGlKH6Jzqsx70Yilgo+unfuPggd3lgcyKUjZo YePqEkpjt0sHQ== 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 475E3C64981; Sat, 7 Jan 2023 18:26:21 +0000 (UTC) From: Sam Ravnborg via B4 Submission Endpoint Date: Sat, 07 Jan 2023 19:26:19 +0100 Subject: [PATCH 05/15] video: fbdev: riva: Introduce backlight_get_brightness() MIME-Version: 1.0 Message-Id: <20230107-sam-video-backlight-drop-fb_blank-v1-5-1bd9bafb351f@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=1045; i=sam@ravnborg.org; s=20230107; h=from:subject:message-id; bh=j+HG2wSYqKNwTOfMiYjFHzSzlk0PGcAa2iiQeKtebpY=; =?utf-8?q?b=3DevW/7HEX3Tem?= =?utf-8?q?ZDTb3xs/18D5j66JRDk706eBMxDT6tdbE2dYtO9k/ExWbYOdsP9oRSxX+glDRK5M?= rxyrw8CID7AkL98sYMTbditO+j8pldVv8MCsELvig9PWwKcqU/Rv 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: X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1754389339998763487?= X-GMAIL-MSGID: =?utf-8?q?1754389339998763487?= 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/riva/fbdev.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c index 644278146d3b..41edc6e79460 100644 --- a/drivers/video/fbdev/riva/fbdev.c +++ b/drivers/video/fbdev/riva/fbdev.c @@ -293,13 +293,7 @@ static int riva_bl_update_status(struct backlight_device *bd) { struct riva_par *par = bl_get_data(bd); U032 tmp_pcrt, tmp_pmc; - int level; - - if (bd->props.power != FB_BLANK_UNBLANK || - bd->props.fb_blank != FB_BLANK_UNBLANK) - level = 0; - else - level = bd->props.brightness; + int level = backlight_get_brightness(bd); tmp_pmc = NV_RD32(par->riva.PMC, 0x10F0) & 0x0000FFFF; tmp_pcrt = NV_RD32(par->riva.PCRTC0, 0x081C) & 0xFFFFFFFC;