From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753905Ab3H0BJw (ORCPT ); Mon, 26 Aug 2013 21:09:52 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:59654 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753656Ab3H0BHl (ORCPT ); Mon, 26 Aug 2013 21:07:41 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher Subject: [ 50/74] drm/radeon: fix UVD message buffer validation Date: Mon, 26 Aug 2013 18:08:48 -0700 Message-Id: <20130827010434.877723106@linuxfoundation.org> X-Mailer: git-send-email 1.8.4.6.g82e253f.dirty In-Reply-To: <20130827010424.535365435@linuxfoundation.org> References: <20130827010424.535365435@linuxfoundation.org> User-Agent: quilt/0.60-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christian König commit 112a6d0c071808f6d48354fc8834a574e5dcefc0 upstream. When the message buffer is currently moving block until it is idle again. Signed-off-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/radeon_uvd.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -359,6 +359,14 @@ static int radeon_uvd_cs_msg(struct rade return -EINVAL; } + if (bo->tbo.sync_obj) { + r = radeon_fence_wait(bo->tbo.sync_obj, false); + if (r) { + DRM_ERROR("Failed waiting for UVD message (%d)!\n", r); + return r; + } + } + r = radeon_bo_kmap(bo, &ptr); if (r) return r;