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Commit cbac9543 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
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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: default avatarAlex Deucher <alexdeucher@gmail.com>
Tested-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 620917de

drivers/gpu/drm/radeon/radeon_connectors.c

+6 −0
Original line number Diff line number Diff line
@@ -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