From patchwork Mon May 30 12:54:10 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 9141323 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 7C36460777 for ; Mon, 30 May 2016 12:54:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 70F74281FE for ; Mon, 30 May 2016 12:54:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 656B328220; Mon, 30 May 2016 12:54:21 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B1A3281FE for ; Mon, 30 May 2016 12:54:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C0BCE6E33F; Mon, 30 May 2016 12:54:17 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 3EAD86E33F; Mon, 30 May 2016 12:54:16 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 30 May 2016 05:54:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,389,1459839600"; d="scan'208";a="991554032" Received: from jnikula-mobl.fi.intel.com (HELO localhost) ([10.237.72.67]) by fmsmga002.fm.intel.com with ESMTP; 30 May 2016 05:54:13 -0700 From: Jani Nikula To: David Binderman , daniel.vetter@intel.com, jani.nikula@linux.intel.com, airlied@linux.ie, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, dcb314@hotmail.com Subject: [PATCH] drm/i915: fix BSM_MASK definition Date: Mon, 30 May 2016 15:54:10 +0300 Message-Id: <1464612850-21748-1-git-send-email-jani.nikula@intel.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: References: MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Cc: Jani Nikula X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The PCI config space BSM (Base of Stolen Memory) register has bits 20..31 set. The BSM_MASK definition goes beyond 32 bits, fix it. drivers/gpu/drm/i915/i915_reg.h:90:28: warning: result of β€˜65535 << 20’ requires 37 bits to represent, but β€˜int’ only has 32 bits [-Wshift-overflow=] References: http://mid.gmane.org/CAMzoambf23FJH3Lq-gKcrVEus-bqFLxA35n0YjKGhqWOAJdBqg@mail.gmail.com Reported-by: David Binderman Cc: David Binderman Cc: Joonas Lahtinen Fixes: e10fa551ae37 ("drm/i915: Clean up PCI config register handling") Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/i915_reg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b407411e31ba..769ac8f7ab61 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -87,7 +87,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define DEVEN_MCHBAR_EN (1 << 28) #define BSM 0x5c -#define BSM_MASK (0xFFFF << 20) +#define BSM_MASK (0xFFF << 20) #define HPLLCC 0xc0 /* 85x only */ #define GC_CLOCK_CONTROL_MASK (0x7 << 0)