On Tue, Aug 29, 2017 at 04:22:29PM -0700, Rodrigo Vivi wrote:
> Let's get a proper HDMI DDI entry level for vswing programming
> sequences on CNL.
>
> Spec doesn't specify any default for HDMI tables,
> so let's pick the last entry as the default for now.
>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 3ce02cbd4483..f1757a8e481a 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -660,7 +660,10 @@ static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port por
> if (IS_GEN9_LP(dev_priv))
> return hdmi_level;
>
> - if (IS_GEN9_BC(dev_priv)) {
> + if (IS_CANNONLAKE(dev_priv)) {
> + cnl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
> + hdmi_default_entry = n_hdmi_entries - 1;
Hmm. I guess we might try to do the same thing for BXT, for extra
consistency. But that's a separate issue.
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> + } else if (IS_GEN9_BC(dev_priv)) {
> skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
> hdmi_default_entry = 8;
> } else if (IS_BROADWELL(dev_priv)) {
> --
> 2.13.2
>
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--
Ville Syrjälä
Intel OTC
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