[Intel-gfx] [PATCH 3/7] drm/i915/display: Attach HDR property for capable Gen9 devices

[Jani Nikula]

On Fri, 27 Mar 2020, Vipin Anand <vipin.anand at intel.com> wrote:
> From: Uma Shankar <uma.shankar at intel.com>
>
> Attach HDR property for Gen9 devices with MCA LSPCON
> chips.
>
> 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 c5ddabf903d6..4d8027493f2c 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -628,6 +628,11 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
>  		return false;
>  	}
>  
> +	if (lspcon->vendor == LSPCON_VENDOR_MCA && lspcon->hdr_supported)

Just look at lspcon->hdr_supported, and make sure it's false if the
vendor does not support it.

BR,
Jani.

> +		drm_object_attach_property(&connector->base,
> +					   connector->dev->mode_config.hdr_output_metadata_property,
> +					   0);
> +
>  	connector->ycbcr_420_allowed = true;
>  	lspcon->active = true;
>  	DRM_DEBUG_KMS("Success: LSPCON init\n");

-- 
Jani Nikula, Intel Open Source Graphics Center