[Intel-gfx] [v6 03/11] drm/i915/display: Attach HDR property for capable Gen9 devices

[Ville Syrjälä]

On Tue, Sep 15, 2020 at 02:30:39AM +0530, Uma Shankar wrote:
> Attach HDR property for Gen9 devices with MCA LSPCON
> chips.
> 
> v2: Cleaned HDR property attachment logic based on capability
> as per Jani Nikula's suggestion.
> 
> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_lspcon.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 5e2d7ca1d20f..fd05210f4405 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -626,6 +626,11 @@ bool lspcon_init(struct intel_digital_port *dig_port)
>  
>  	lspcon_detect_hdr_capability(lspcon);
>  
> +	if (lspcon->hdr_supported)
> +		drm_object_attach_property(&connector->base,
> +					   connector->dev->mode_config.hdr_output_metadata_property,
> +					   0);

Hmm. This hdr capability detection is going to cause us extra grief
when looking at Kai-Heng's patch to defer lspcon detection until
hotplug time. Not quite sure what to do about that though.

> +
>  	connector->ycbcr_420_allowed = true;
>  	lspcon->active = true;
>  	DRM_DEBUG_KMS("Success: LSPCON init\n");
> -- 
> 2.26.2

-- 
Ville Syrjälä
Intel