[Intel-gfx] [PATCH 05/12] drm/i915: Add the VBT LTTPR transparent vs. non-transparent bits

[Jani Nikula]

On Fri, 15 Jul 2022, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> VBT gained a bit to indicate whether LTTPRs should use transparent
> or non-transparent mode. Dunno if we should actually look at this...
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_vbt_defs.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> index d583bb085913..b15e29509fac 100644
> --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> @@ -408,7 +408,8 @@ struct child_device_config {
>  			u8 compression_enable:1;		/* 198+ */
>  			u8 compression_method_cps:1;		/* 198+ */
>  			u8 ganged_edp:1;			/* 202+ */
> -			u8 reserved2:4;
> +			u8 lttpr_non_transparent:1;		/* 235+ */
> +			u8 reserved2:3;
>  			u8 compression_structure_index:4;	/* 198+ */
>  			u8 reserved3:4;
>  			u8 slave_port;				/* 202+ */

-- 
Jani Nikula, Intel Open Source Graphics Center