Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933747AbbG1KVD (ORCPT ); Tue, 28 Jul 2015 06:21:03 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:37229 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932408AbbG1Jo5 (ORCPT ); Tue, 28 Jul 2015 05:44:57 -0400 From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Adam Jackson , Dave Airlie , Jiri Slaby Subject: [PATCH 3.12 031/124] drm/mgag200: Reject non-character-cell-aligned mode widths Date: Tue, 28 Jul 2015 11:42:45 +0200 Message-Id: X-Mailer: git-send-email 2.4.6 In-Reply-To: <90d8a5681e4a9e320611b422f0ed012e148c2bca.1438076484.git.jslaby@suse.cz> References: <90d8a5681e4a9e320611b422f0ed012e148c2bca.1438076484.git.jslaby@suse.cz> In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1439 Lines: 41 From: Adam Jackson 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit 25161084b1c1b0c29948f6f77266a35f302196b7 upstream. Turns out 1366x768 does not in fact work on this hardware. Signed-off-by: Adam Jackson Signed-off-by: Dave Airlie Signed-off-by: Jiri Slaby --- drivers/gpu/drm/mgag200/mgag200_mode.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 1288cd9f67d1..01fe953f9ea8 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1531,6 +1531,11 @@ static int mga_vga_mode_valid(struct drm_connector *connector, return MODE_BANDWIDTH; } + if ((mode->hdisplay % 8) != 0 || (mode->hsync_start % 8) != 0 || + (mode->hsync_end % 8) != 0 || (mode->htotal % 8) != 0) { + return MODE_H_ILLEGAL; + } + if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 || mode->crtc_hsync_end > 4096 || mode->crtc_htotal > 4096 || mode->crtc_vdisplay > 2048 || mode->crtc_vsync_start > 4096 || -- 2.4.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/