Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757047AbdDPLIS (ORCPT ); Sun, 16 Apr 2017 07:08:18 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:59728 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932415AbdDPK4D (ORCPT ); Sun, 16 Apr 2017 06:56:03 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Y.C. Chen" , Benjamin Herrenschmidt , Joel Stanley , Dave Airlie Subject: [PATCH 3.18 098/145] drm/ast: Call open_key before enable_mmio in POST code Date: Sun, 16 Apr 2017 12:49:51 +0200 Message-Id: <20170416080206.035206549@linuxfoundation.org> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170416080200.205458595@linuxfoundation.org> References: <20170416080200.205458595@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1030 Lines: 34 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Y.C. Chen commit 9bb92f51558f2ef5f56c257bdcea0588f31d857e upstream. open_key enables access the registers used by enable_mmio Signed-off-by: Y.C. Chen Signed-off-by: Benjamin Herrenschmidt Acked-by: Joel Stanley Tested-by: Y.C. Chen Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/ast/ast_post.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/ast/ast_post.c +++ b/drivers/gpu/drm/ast/ast_post.c @@ -371,8 +371,8 @@ void ast_post_gpu(struct drm_device *dev pci_write_config_dword(ast->dev->pdev, 0x04, reg); ast_enable_vga(dev); - ast_enable_mmio(dev); ast_open_key(ast); + ast_enable_mmio(dev); ast_set_def_ext_reg(dev); if (ast->chip == AST2300 || ast->chip == AST2400)