drm/nvd0/disp: enable hdmi on sor if hdmi monitor present

static void

nvd0_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)

{

	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);

	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);

	struct nouveau_connector *nv_connector;

	struct drm_device *dev = encoder->dev;

	int head = nv_crtc->index * 0x800;

	u32 rekey = 56; /* binary driver, and tegra constant */

	u32 max_ac_packet;

	nv_connector = nouveau_encoder_connector_get(nv_encoder);

	if (!drm_detect_hdmi_monitor(nv_connector->edid))

		return;

	max_ac_packet  = mode->htotal - mode->hdisplay;

	max_ac_packet -= rekey;

	max_ac_packet -= 18; /* constant from tegra */

	max_ac_packet /= 32;

	/* AVI InfoFrame */

	nv_mask(dev, 0x616714 + head, 0x00000001, 0x00000000);

	nv_wr32(dev, 0x61671c + head, 0x000d0282);

	nv_wr32(dev, 0x616720 + head, 0x0000006f);

	nv_wr32(dev, 0x616724 + head, 0x00000000);

	nv_wr32(dev, 0x616728 + head, 0x00000000);

	nv_wr32(dev, 0x61672c + head, 0x00000000);

	nv_mask(dev, 0x616714 + head, 0x00000001, 0x00000001);

	/* ??? InfoFrame? */

	nv_mask(dev, 0x6167a4 + head, 0x00000001, 0x00000000);

	nv_wr32(dev, 0x6167ac + head, 0x00000010);

	nv_mask(dev, 0x6167a4 + head, 0x00000001, 0x00000001);

	/* HDMI_CTRL */

	nv_mask(dev, 0x616798 + head, 0x401f007f, 0x40000000 | rekey |

						  max_ac_packet << 16);

	nvd0_audio_mode_set(encoder, mode);

}

static void

nvd0_hdmi_disconnect(struct drm_encoder *encoder)

{

	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);

	struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);

	struct drm_device *dev = encoder->dev;

	int head = nv_crtc->index * 0x800;

	nvd0_audio_disconnect(encoder);

	nv_mask(dev, 0x616798 + head, 0x40000000, 0x00000000);

	nv_mask(dev, 0x6167a4 + head, 0x00000001, 0x00000000);

	nv_mask(dev, 0x616714 + head, 0x00000001, 0x00000000);

}

/******************************************************************************