diff options
Diffstat (limited to 'src/i830_sdvo.c')
| -rw-r--r-- | src/i830_sdvo.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/src/i830_sdvo.c b/src/i830_sdvo.c index 701aeaa1..8f1b20b7 100644 --- a/src/i830_sdvo.c +++ b/src/i830_sdvo.c @@ -79,6 +79,11 @@ struct i830_sdvo_priv { Bool is_tv; /** + * This is set if we treat the device as HDMI, instead of DVI. + */ + Bool is_hdmi; + + /** * Returned SDTV resolutions allowed for the current format, if the * device reported it. */ @@ -770,7 +775,7 @@ i830_sdvo_get_supp_encode(xf86OutputPtr output, struct i830_sdvo_encode *encode) i830_sdvo_write_cmd(output, SDVO_CMD_GET_SUPP_ENCODE, NULL, 0); status = i830_sdvo_read_response(output, encode, sizeof(*encode)); - if (status != SDVO_CMD_STATUS_SUCCESS) { + if (status != SDVO_CMD_STATUS_SUCCESS) { /* non-support means DVI */ memset(encode, 0, sizeof(*encode)); return FALSE; } @@ -1034,7 +1039,7 @@ i830_sdvo_mode_set(xf86OutputPtr output, DisplayModePtr mode, &in_out, sizeof(in_out)); status = i830_sdvo_read_response(output, NULL, 0); - if (dev_priv->encode.hdmi_rev) + if (dev_priv->is_hdmi) i830_sdvo_set_avi_infoframe(output, mode); i830_sdvo_get_dtd_from_mode(&input_dtd, mode); @@ -1722,6 +1727,22 @@ i830_sdvo_select_ddc_bus(struct i830_sdvo_priv *dev_priv) dev_priv->ddc_bus = 1 << num_bits; } +static Bool +i830_sdvo_get_digital_encoding_mode(xf86OutputPtr output) +{ + I830OutputPrivatePtr intel_output = output->driver_private; + struct i830_sdvo_priv *dev_priv = intel_output->dev_priv; + uint8_t status; + + i830_sdvo_set_target_output(output, dev_priv->controlled_output); + + i830_sdvo_write_cmd(output, SDVO_CMD_GET_ENCODE, NULL, 0); + status = i830_sdvo_read_response(output, &dev_priv->is_hdmi, 1); + if (status != SDVO_CMD_STATUS_SUCCESS) + return FALSE; + return TRUE; +} + Bool i830_sdvo_init(ScrnInfoPtr pScrn, int output_device) { @@ -1849,8 +1870,9 @@ i830_sdvo_init(ScrnInfoPtr pScrn, int output_device) output->subpixel_order = SubPixelHorizontalRGB; name_prefix="TMDS"; - i830_sdvo_get_supp_encode(output, &dev_priv->encode); - if (dev_priv->encode.hdmi_rev != 0) { + if (i830_sdvo_get_supp_encode(output, &dev_priv->encode) && + i830_sdvo_get_digital_encoding_mode(output) && + dev_priv->is_hdmi) { /* enable hdmi encoding mode if supported */ i830_sdvo_set_encode(output, SDVO_ENCODE_HDMI); i830_sdvo_set_colorimetry(output, SDVO_COLORIMETRY_RGB256); |