From: Jerome Glisse Date: Fri, 13 Nov 2009 19:56:35 +0000 (+0100) Subject: drm/radeon/kms: Disable TV load detect on RS400,RC410,RS480 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0beb81ab45c67de4b3aa85faad604cff8ed133a8;p=mv-sheeva.git drm/radeon/kms: Disable TV load detect on RS400,RC410,RS480 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 Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index fce4c4087fd..55fecfc1f19 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);