Hi xf86-video-intel folks,
I just gave a try to a recent driver (xf86-video-intel-2.7-rc1) to see how it
went driving an SDVO TV output.
I am using an Add2 card with a CH7021 on SDVO-B (component output = CVBS) and a
CH7307 for DVI-D on SDVO-C.
Launching X with a VGA monitor connected to the Mobo and a plain old TV set to
the Add2's CVBS, the TV gets no signal.
In the Xorg.0.log, I got:
(WW) intel(0): SDVOB: Unknown SDVO output type (0x0400)
In i830_sdvo.c, function i830_sdvo_output_setup, it seems that the cases with
flag = SDVO_OUTPUT_CVBS0 or SDVO_OUTPUT_CVBS1 or SDVO_OUTPUT_SVID1 are not
handled.
I am not sure why this is so, but I took a chance (I am a newbie with this
code) and added some code to do handle the above cases.
I made the thing working.
Below is the diff between the original code and my modifs.
Feel free to integrate it. (Should I be entering this into Bugzilla?)
diff i830_sdvo.c i830_sdvo.c.modif
1561a1562,1585
> else if (flag & SDVO_OUTPUT_SVID1)
> {
> dev_priv->controlled_output = SDVO_OUTPUT_SVID1;
> output->subpixel_order = SubPixelHorizontalRGB; /* XXX */
> name_prefix="TV";
> dev_priv->is_tv = TRUE;
> intel_output->needs_tv_clock = TRUE;
> }
> else if (flag & SDVO_OUTPUT_CVBS0)
> {
> dev_priv->controlled_output = SDVO_OUTPUT_CVBS0;
> output->subpixel_order = SubPixelHorizontalRGB; /* XXX */
> name_prefix="TV";
> dev_priv->is_tv = TRUE;
> intel_output->needs_tv_clock = TRUE;
> }
> else if (flag & SDVO_OUTPUT_CVBS1)
> {
> dev_priv->controlled_output = SDVO_OUTPUT_CVBS1;
> output->subpixel_order = SubPixelHorizontalRGB; /* XXX */
> name_prefix="TV";
> dev_priv->is_tv = TRUE;
> intel_output->needs_tv_clock = TRUE;
> }
Hugo Jacques
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