Messages in this thread Patch in this message | | | From | 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 |
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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 <jglisse@redhat.com> --- 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
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