From patchwork Fri May 18 14:17:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 10410897 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D9421602CB for ; Fri, 18 May 2018 14:18:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8271B2872F for ; Fri, 18 May 2018 14:18:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 77689288FD; Fri, 18 May 2018 14:18:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EF2BE2872F for ; Fri, 18 May 2018 14:18:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=o1HiGkmAEe9RqcIR3hPBQZRp7xnywEeoNFz2QOwSSGo=; b=u7Nx6J9o8iIy0R vPP0TUBP6yvSaPuHIRDlPypwxuUnZgKPwnZrp2krWZrhV2i5ALzgq/ZIQWNJHsdiuTjvPAemVD2FR K7jSureCMYk9AFqafRPWRT4MfZc27W/+8eURybRUEUivSDTUAZEH2f3Qt++eqci6LUhd9dlWsa2Rc 2xPQ9GqVd0GeamQAfE2T29VDLTPC7joa95jIYs13e8/xLOvHPpyMkHyrmDx5OPuIIGeE3SF5odkG0 T9MWGfnJV6SRkxey8/QvjDFjFwck1EpO5Airw30CjYxAgXcxfJZ2QHblx2IC301FXi096iG2ZFH8h GZisOuTO1QX7pjJ5EWBQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fJgDC-00045h-VT; Fri, 18 May 2018 14:18:26 +0000 Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fJgCu-0003rY-OM for linux-arm-kernel@lists.infradead.org; Fri, 18 May 2018 14:18:11 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 1A4F5609D1; Fri, 18 May 2018 14:17:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1526653078; bh=WIqA3HVLw3DX2FHE3E3O6H7xzQSl4a5SgAfxUqH3+H4=; h=From:To:Cc:Subject:Date:From; b=Rge/zD/27aRab4Jd5KoXvPgn+6a2v6zuHLpb4liu+Bt9TMvUlCP54CKUGRbO+dpJr W2wKfJcuqLs13s8a9LsCnpnZbl/VibULvpZGM1BEDBrCTPCLs8ZkLDd4S/lVXSWX7q A4ar4demfv86GkATJ94U4BjGo1eTs0MwLiDuy5Kc= Received: from drakthul.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8CCF46085F; Fri, 18 May 2018 14:17:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1526653077; bh=WIqA3HVLw3DX2FHE3E3O6H7xzQSl4a5SgAfxUqH3+H4=; h=From:To:Cc:Subject:Date:From; b=XU0F32fVORwPxXUmVRMpMFgV5McXy4fEwR9fEIBILOh95dED6hu3Dv15at1b9P3wv l9EeMmbjXuCZG2yIAOuuXuIjmMypth+hlRQK2JikwlxIMz2mp7man0edTY/XmCPBHn PkdHLatcVAZ+ZtiU2h0FMhp1PeLSm1OSgg1rzsPg= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 8CCF46085F Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: linux-fbdev@vger.kernel.org, timur@codeaurora.org Subject: [PATCH V2 1/2] efi/fb: Simplify fixup code to prefer struct resource Date: Fri, 18 May 2018 10:17:50 -0400 Message-Id: <1526653072-7153-1-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180518_071808_838675_BF62CE63 X-CRM114-Status: GOOD ( 11.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bartlomiej Zolnierkiewicz , linux-arm-msm@vger.kernel.org, open list , "open list:FRAMEBUFFER LAYER" , Sinan Kaya , Peter Jones , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Get rid of base and size variables in favor of a struct resource. The conditional for checking window can be replaced with resource_contains(). Signed-off-by: Sinan Kaya Reviewed-by: Ard Biesheuvel Acked-by: Bartlomiej Zolnierkiewicz --- drivers/video/fbdev/efifb.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 46a4484..6daac8d 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -426,17 +426,20 @@ static void record_efifb_bar_resource(struct pci_dev *dev, int idx, u64 offset) static void efifb_fixup_resources(struct pci_dev *dev) { - u64 base = screen_info.lfb_base; - u64 size = screen_info.lfb_size; + struct resource screen_res = { + .start = screen_info.lfb_base, + .end = screen_info.lfb_base + screen_info.lfb_size - 1, + .flags = IORESOURCE_MEM, + }; int i; if (efifb_pci_dev || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) return; if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE) - base |= (u64)screen_info.ext_lfb_base << 32; + screen_res.start |= (u64)screen_info.ext_lfb_base << 32; - if (!base) + if (!screen_res.start) return; for (i = 0; i <= PCI_STD_RESOURCE_END; i++) { @@ -445,8 +448,10 @@ static void efifb_fixup_resources(struct pci_dev *dev) if (!(res->flags & IORESOURCE_MEM)) continue; - if (res->start <= base && res->end >= base + size - 1) { - record_efifb_bar_resource(dev, i, base - res->start); + if (resource_contains(res, &screen_res)) { + u64 win_offset = screen_res.start - res->start; + + record_efifb_bar_resource(dev, i, win_offset); break; } }