From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932312AbZKMT4t (ORCPT ); Fri, 13 Nov 2009 14:56:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932292AbZKMT4o (ORCPT ); Fri, 13 Nov 2009 14:56:44 -0500 Received: from nox.protox.org ([88.191.38.29]:50963 "EHLO nox.protox.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932264AbZKMT4g (ORCPT ); Fri, 13 Nov 2009 14:56:36 -0500 From: Jerome Glisse To: airlied@gmail.com Cc: dri-devel@lists.sf.net, linux-kernel@vger.kernel.org, Jerome Glisse Subject: [PATCH 1/2] drm/radeon/kms: Disable TV load detect on RS400,RC410,RS480 Date: Fri, 13 Nov 2009 20:56:35 +0100 Message-Id: <1258142195-2032-1-git-send-email-jglisse@redhat.com> X-Mailer: git-send-email 1.6.5.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RS400,RC410,RS480 chipset seems to report a lot of false positive with load detect on TV output. We haven't yet found a way to make load detect reliable on those chipset, thus just disable it for TV output. Would avoid user to experience phantom screen because X believe there is a monitor connected to the TV output. Signed-off-by: Jerome Glisse --- drivers/gpu/drm/radeon/radeon_connectors.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index fce4c40..55fecfc 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1149,6 +1149,13 @@ radeon_add_legacy_connector(struct drm_device *dev, if (ret) goto failed; radeon_connector->dac_load_detect = true; + /* RS400,RC410,RS480 chipset seems to report a lot + * of false positive on load detect, we haven't yet + * found a way to make load detect reliable on those + * chipset, thus just disable it for TV. + */ + if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) + radeon_connector->dac_load_detect = false; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); -- 1.6.5.2