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Commit 4ca2b712 authored by Francisco Jerez's avatar Francisco Jerez Committed by Ben Skeggs
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drm/nouveau: Don't try DDC on the dummy I2C channel. 



Signed-off-by: default avatarFrancisco Jerez <currojerez@riseup.net>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 2dc5d2ec

drivers/gpu/drm/nouveau/nouveau_connector.c

+4 −2
Original line number Diff line number Diff line
@@ -104,7 +104,7 @@ nouveau_connector_ddc_detect(struct drm_connector *connector, 
	int i;



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

		struct nouveau_i2c_chan *i2c;

		struct nouveau_i2c_chan *i2c = NULL;

		struct nouveau_encoder *nv_encoder;

		struct drm_mode_object *obj;

		int id;
@@ -117,6 +117,8 @@ nouveau_connector_ddc_detect(struct drm_connector *connector, 
		if (!obj)

			continue;

		nv_encoder = nouveau_encoder(obj_to_encoder(obj));



		if (nv_encoder->dcb->i2c_index < 0xf)

			i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);



		if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) {