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authorAlex Deucher <alexdeucher@gmail.com>2011-07-11 10:49:28 -0400
committerDave Airlie <airlied@redhat.com>2011-07-12 01:57:13 -0400
commitcbac9543281f8e813f3ca9186c963a9b55136e93 (patch)
tree9a6aa958fe58429397fffeb0125f60bff4b33e7d
parent620917de59eeb934b9f8cf35cc2d95c1ac8ed0fc (diff)
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 <alexdeucher@gmail.com> Tested-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c6
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 cbfca3a24fdf..9792d4ffdc86 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)
52 struct radeon_device *rdev = dev->dev_private; 52 struct radeon_device *rdev = dev->dev_private;
53 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 53 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
54 54
55 /* bail if the connector does not have hpd pin, e.g.,
56 * VGA, TV, etc.
57 */
58 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
59 return;
60
55 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 61 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
56 62
57 /* powering up/down the eDP panel generates hpd events which 63 /* powering up/down the eDP panel generates hpd events which