From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751146Ab1GTIet (ORCPT ); Wed, 20 Jul 2011 04:34:49 -0400 Received: from mail-fx0-f52.google.com ([209.85.161.52]:33557 "EHLO mail-fx0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750936Ab1GTIes (ORCPT ); Wed, 20 Jul 2011 04:34:48 -0400 From: reimth@googlemail.com To: Dave Airlie , Alex Deucher , Mario Kleiner , Jean Delvare , Tyson Whitehead , Jason Wessel , Stephen Michaels Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Thomas Reim Subject: [PATCH] drm/radeon: Fix ECS A740GM-M DVI-D EDID error flooding problem Date: Wed, 20 Jul 2011 10:34:05 +0200 Message-Id: <1311150845-19198-1-git-send-email-reimth@gmail.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1309995012-5873-1-git-send-email-reimth@gmail.com> References: <1309995012-5873-1-git-send-email-reimth@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Reim ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus for a DVI connector that is not implemented/existent on the board. Fix by applying extented DDC probing for this connector. Requires [PATCH] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding problem BugLink: http://bugs.launchpad.net/bugs/810926 Signed-off-by: Thomas Reim --- drivers/gpu/drm/radeon/radeon_connectors.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 2e70be2..82dacc6 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -449,6 +449,15 @@ static bool radeon_connector_needs_extended_probe(struct radeon_device *dev, (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) return true; } + /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus + * for a DVI connector that is not implemented */ + if ((dev->pdev->device == 0x796e) && + (dev->pdev->subsystem_vendor == 0x1019) && + (dev->pdev->subsystem_device == 0x2615)) { + if ((connector_type == DRM_MODE_CONNECTOR_DVID) && + (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) + return true; + } /* Default: no EDID header probe required for DDC probing */ return false; -- 1.7.1