On Wed, Jun 10, 2015 at 09:18:29AM -0700, Matt Roper wrote: > On Thu, Jun 04, 2015 at 06:01:35PM +0300, Imre Deak wrote: > > According to bspec the DDI PHY vswing scale value is "don't care" in > > case the scale enable bit [27] is clear. But this doesn't seem to be > > correct. The scale value seems to also matter if the scale mode bit > > [26] is set. So both bit 26 and 27 depend on the value. Setting the > > scale value to 0 while either bit is set results in a failed modeset on > > HDMI (sink reports no signal). > > > > After reset the scale value is 0x98, but according to the spec we have > > to program it to 0x9a. So for consistency program it always to 0x9a > > regardless of the scale enable bit. > > > > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx> > > This patch successfully enables HDMI display for my team. > > Tested-by: Matt Roper <matthew.d.roper@xxxxxxxxx> I believe this should be enough of a good reason for merging at this stage. Acked-by: Damien Lespiau <damien.lespiau@xxxxxxxxx> -- Damien _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
