From 4b9811cf1ed999472a47c18d5bd3293f2d6c51fb Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 11 Jul 2011 10:46:37 -0400 Subject: [PATCH] drm/radeon/kms: fix regression in hotplug Skip connectors that do not have an HPD pin. Should fix: https://bugs.freedesktop.org/show_bug.cgi?id=39027 Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_connectors.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cbfca3a..9792d4f 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -52,6 +52,12 @@ void radeon_connector_hotplug(struct drm_connector *connector) struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); + /* bail if the connector does not have hpd pin, e.g., + * VGA, TV, etc. + */ + if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) + return; + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); /* powering up/down the eDP panel generates hpd events which -- 1.7.1.1