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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
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+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++) {