On Mon, Nov 13, 2017 at 10:47:44AM -0800, Rodrigo Vivi wrote:
> On Sat, Nov 11, 2017 at 09:43:44AM +0000, Sharma, Shashank wrote:
> > Regards
> >
> > Shashank
> >
> >
> > On 11/11/2017 3:56 AM, Rodrigo Vivi wrote:
> > > Starting on GLK we support HDMI 2.0. So this patch only
> > > extend the work Shashank has made to GLK to CNL.
> > >
> > > Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> > > Cc: Shashank Sharma <shashank.sharma@xxxxxxxxx>
> > > Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
> > > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > > ---
> > > drivers/gpu/drm/i915/intel_hdmi.c | 7 ++++---
> > > 1 file changed, 4 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> > > index 2d95db64cdf2..1b22b587e98c 100644
> > > --- a/drivers/gpu/drm/i915/intel_hdmi.c
> > > +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> > > @@ -1235,7 +1235,7 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
> > > &dev_priv->vbt.ddi_port_info[encoder->port];
> > > int max_tmds_clock;
> > > - if (IS_GEMINILAKE(dev_priv))
> > > + if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 10)
> > Would it be a good idea to create a new macro called IS_HDMI2_SUPPORTED() or
> > a function is_hdmi2_supported() where we keep all the GEN check ?
>
> I asked myself the same question.
> I believe a IS_HDMI2_SUPPORTED or HAS_HDMI2_SUPPORT is a good idea...
Typically we use HAS_* to check whether a feature is available,
and IS_* to identify a platform, or whether the parameter passed is of a certain
type.
So I believe HAS_HDMI2_SUPPORT would be correct if it's to check whether
the platform supports HDMI2.
> > > max_tmds_clock = 594000;
> > > else if (INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv))
> > > max_tmds_clock = 300000;
> > > @@ -1511,7 +1511,8 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
> > > pipe_config->lane_count = 4;
> > > - if (scdc->scrambling.supported && IS_GEMINILAKE(dev_priv)) {
> > > + if (scdc->scrambling.supported && (IS_GEMINILAKE(dev_priv) ||
> > > + INTEL_GEN(dev_priv) >= 10) {
> > > if (scdc->scrambling.low_rates)
> > > pipe_config->hdmi_scrambling = true;
> > > @@ -2033,7 +2034,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
> > > connector->doublescan_allowed = 0;
> > > connector->stereo_allowed = 1;
> > > - if (IS_GEMINILAKE(dev_priv))
> > > + if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 10)
> > > connector->ycbcr_420_allowed = true;
> > Looks good otherwise.
> > - Shashank
> > > intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
> >
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