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Commit c3cceedd authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/radeon/kms: don't poll dac load detect. 



This is slightly destructive, cpu intensive and can cause lockups.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent e26fd119

drivers/gpu/drm/radeon/radeon_connectors.c

+10 −0
Original line number Diff line number Diff line
@@ -663,6 +663,11 @@ radeon_vga_detect(struct drm_connector *connector, bool force) 
				ret = connector_status_connected;

		}

	} else {



		/* if we aren't forcing don't do destructive polling */

		if (!force)

			return connector->status;



		if (radeon_connector->dac_load_detect && encoder) {

			encoder_funcs = encoder->helper_private;

			ret = encoder_funcs->detect(encoder, connector);
@@ -850,6 +855,11 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) 
	if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))

		goto out;



	if (!force) {

		ret = connector->status;

		goto out;

	}



	/* find analog encoder */

	if (radeon_connector->dac_load_detect) {

		for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {