On Wed, Oct 5, 2011 at 16:56, Jesse Barnes <[email protected]> wrote:
> On Wed, 5 Oct 2011 10:25:17 -0700 > Jesse Barnes <[email protected]> wrote: > > > This set of patches lays the groundwork for supporting 3 pipes on IVB > > hardware. We've only tested it so far with 2 HDMI plus 1 VGA (a > > configuration that doesn't work), and are awaiting 3 DP port hardware > > (the officially supported config) to complete our testing. > > > > So this patchset is necessary but may not be sufficient (once we have 3 > > DP hardware we can debug and see). Review and comments appreciated. > > Gordon, I think this set (with the updated 4/4 patch) is ready for > testing. You'll need a configuration that uses the same monitor on two > identical ports to get all the pipes running. I'm also interested in > the failure cases though. There are some limitations: > 1) two heads need to use the same timings and ports > 2) FDI B and C share lanes, so are limited to a max of two lanes each > > For (1), I'm currently using a VGA attached monitor, an HDMI attached > monitor, and another HDMI monitor attached to a DP->HDMI dongle on my > SDV (that allows me to drive the port with the HDMI encoder rather than > the DP encoder). > > Unfortunately, (2) complicates our mode list output. If you query for > available modes, you'll definitely see some that you can't drive with 3 > pipes enabled. I'm not sure if the best way to handle that... > It works - with a small change to the FDI_COMPOSITE_SYNC which we discussed on irc with Jesse - I'll send it on the corresponding patch. With that change, for the series: Reviewed-by: Eugeni Dodonov <[email protected]> Tested-By: Eugeni Dodonov <[email protected]> -- Eugeni Dodonov <http://eugeni.dodonov.net/>
_______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
