From: Jerome Glisse <jglisse@xxxxxxxxxx> It seems imac pannel doesn't like whe we change the hot plug setup and then refuse to work. This help but doesn't fully fix: https://bugzilla.redhat.com/show_bug.cgi?id=726143 v2: fix typo and improve commit message Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx> Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx> --- drivers/gpu/drm/radeon/r600.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 694b6b2..a304c9d 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -713,6 +713,14 @@ void r600_hpd_init(struct radeon_device *rdev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || + connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { + /* don't try to enable hpd on eDP or LVDS avoid breaking the + * aux dp channel on imac and help (but not completely fix) + * https://bugzilla.redhat.com/show_bug.cgi?id=726143 + */ + continue; + } if (ASIC_IS_DCE3(rdev)) { u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); if (ASIC_IS_DCE32(rdev)) -- 1.7.9.3 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
