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drm/radeon/kms: fix regression in hotplug

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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 <[email protected]>
Tested-by: Rafał Miłecki <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
This commit is contained in:
Alex Deucher 2011-07-11 14:49:28 +00:00 • committed by Dave Airlie
commit cbac954328
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/radeon/radeon_connectors.c
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@ -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