[Intel-gfx] [05/12] drm/i915: Add VBT AUX CH H and I

Souza, Jose jose.souza at intel.com
Tue Sep 8 16:38:02 UTC 2020


On Wed, 2020-07-01 at 00:55 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <
> ville.syrjala at linux.intel.com
> >
> 
> As with everything else VBT can now specify AUX CH H or I.
> 

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> Signed-off-by: Ville Syrjälä <
> ville.syrjala at linux.intel.com
> >
> ---
>  drivers/gpu/drm/i915/display/intel_bios.c     | 6 ++++++
>  drivers/gpu/drm/i915/display/intel_vbt_defs.h | 2 ++
>  2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index 2bf0bc0deee8..05eb88ee73f8 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -2649,6 +2649,12 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *dev_priv,
>  	case DP_AUX_G:
>  		aux_ch = AUX_CH_G;
>  		break;
> +	case DP_AUX_H:
> +		aux_ch = AUX_CH_H;
> +		break;
> +	case DP_AUX_I:
> +		aux_ch = AUX_CH_I;
> +		break;
>  	default:
>  		MISSING_CASE(info->alternate_aux_channel);
>  		aux_ch = AUX_CH_A;
> diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> index e502d65300fa..b5f7a52f751a 100644
> --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> @@ -334,6 +334,8 @@ enum vbt_gmbus_ddi {
>  #define DP_AUX_E 0x50
>  #define DP_AUX_F 0x60
>  #define DP_AUX_G 0x70
> +#define DP_AUX_H 0x80
> +#define DP_AUX_I 0x90
>  
>  #define VBT_DP_MAX_LINK_RATE_HBR3	0
>  #define VBT_DP_MAX_LINK_RATE_HBR2	1
> 


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