From patchwork Sun Sep 7 10:06:52 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 4858401 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A4FBBC0338 for ; Sun, 7 Sep 2014 10:07:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 94F6820138 for ; Sun, 7 Sep 2014 10:07:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E090520131 for ; Sun, 7 Sep 2014 10:07:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2F1CA6E186; Sun, 7 Sep 2014 03:07:30 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id 955446E186 for ; Sun, 7 Sep 2014 03:07:28 -0700 (PDT) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id E49BD6AE42F for ; Sun, 7 Sep 2014 12:07:26 +0200 (CEST) X-Virus-Scanned: amavisd-new at vodafone.de X-Spam-Score: 0.41 X-Spam-Level: X-Spam-Status: No, score=-5.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Authentication-Results: rohrpostix2.prod.vfnet.de (amavisd-new); dkim=softfail (invalid, public key: DNS query timeout for mail._domainkey.vodafone.de) header.i=@vodafone.de Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix2.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aPokb8L6Ebo2 for ; Sun, 7 Sep 2014 12:07:05 +0200 (CEST) Received: from smtp-04.vodafone.de (xsmail-dmz10.prod.vfnet.de [10.215.254.41]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 8C2126AE3EC for ; Sun, 7 Sep 2014 12:07:05 +0200 (CEST) X-DKIM: OpenDKIM Filter v2.6.8 pegasos-out.vodafone.de 8C2126AE3EC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1410084425; bh=RUhVr2ODFKBUHHisjiSfdlnm01Iv0n8kbgS5UGyRPuA=; h=From:To:Subject:Date; b=cF+7lDyLqc1GMRaeEYFJStqXYnBc+MQSF7ZPZzHZO64B3IvDA+wwYe179DtvMj/Nk pFPv8IUHkq0Wxfn3H4eTFBMbricYSfLyKriKi70UUvMTVwmigWEuidaPU4s0ujD2bn jON0ETR2W2YyXbi+Oi48bCx55Cm5HTBOAWG7g0wk= X-DKIM: OpenDKIM Filter v2.0.2 smtp-04.vodafone.de 15C88E4FDD X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-04.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz10.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yQ7c4B8g5rXL for ; Sun, 7 Sep 2014 12:06:54 +0200 (CEST) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org Subject: [PATCH] drm/radeon: fix semaphore value init Date: Sun, 7 Sep 2014 12:06:52 +0200 Message-Id: <1410084412-2541-1-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.15 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-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Christian König Semaphore values have 64 bits, not 32. This fixes a very subtle bug that disables synchronization when the upper 32bits wasn't zero. Signed-off-by: Christian König Cc: stable@vger.kernel.org Reviewed-By: Grigori Goronzy --- drivers/gpu/drm/radeon/radeon_semaphore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c index 56d9fd6..abd6753 100644 --- a/drivers/gpu/drm/radeon/radeon_semaphore.c +++ b/drivers/gpu/drm/radeon/radeon_semaphore.c @@ -34,7 +34,7 @@ int radeon_semaphore_create(struct radeon_device *rdev, struct radeon_semaphore **semaphore) { - uint32_t *cpu_addr; + uint64_t *cpu_addr; int i, r; *semaphore = kmalloc(sizeof(struct radeon_semaphore), GFP_KERNEL);