[Intel-gfx] [PATCH 1/2] drm/i915/ddi: set has_infoframe flag on DDI too

[Jesse Barnes]

On Tue, 18 Nov 2014 09:14:05 +0100
Daniel Vetter <daniel at ffwll.ch> wrote:

> On Mon, Nov 17, 2014 at 01:08:46PM -0800, Jesse Barnes wrote:
> > Just like we do in the HDMI code, set the infoframe flag if we detect an
> > HDMI sink.
> > 
> > Reported-by: Paulo Zanoni <przanoni at gmail.com>
> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> > ---
> >  drivers/gpu/drm/i915/intel_ddi.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> > index 86745da..78576e0 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -2062,6 +2062,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
> >  	switch (temp & TRANS_DDI_MODE_SELECT_MASK) {
> >  	case TRANS_DDI_MODE_SELECT_HDMI:
> >  		pipe_config->has_hdmi_sink = true;
> > +		pipe_config->has_infoframe = true;
> 
> Infoframes aren't controlled by this bit here but set in
> HSW_TVIDEO_DIP_CTL. Since the point of this is to detect mismatches
> between the bios and what we'd like to have for fastboot I think we need
> to check that register. Instead of blindly deriving state to appease the
> cross checker.

Oh you're right; I was thinking of compute_config.  I'll send a follow
up.

-- 
Jesse Barnes, Intel Open Source Technology Center